/* Support routines for decoding "stabs" debugging information format.
|
/* Support routines for decoding "stabs" debugging information format.
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Copyright 1986, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 1998
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Copyright 1986, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 1998
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
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|
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This file is part of GDB.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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(at your option) any later version.
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|
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This program is distributed in the hope that it will be useful,
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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|
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You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with this program; if not, write to the Free Software
|
along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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Boston, MA 02111-1307, USA. */
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|
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/* Support routines for reading and decoding debugging information in
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/* Support routines for reading and decoding debugging information in
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the "stabs" format. This format is used with many systems that use
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the "stabs" format. This format is used with many systems that use
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the a.out object file format, as well as some systems that use
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the a.out object file format, as well as some systems that use
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COFF or ELF where the stabs data is placed in a special section.
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COFF or ELF where the stabs data is placed in a special section.
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Avoid placing any object file format specific code in this file. */
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Avoid placing any object file format specific code in this file. */
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|
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#include "defs.h"
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#include "defs.h"
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#include "gdb_string.h"
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#include "gdb_string.h"
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#include "bfd.h"
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#include "bfd.h"
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#include "obstack.h"
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#include "obstack.h"
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#include "symtab.h"
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#include "symtab.h"
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#include "gdbtypes.h"
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#include "gdbtypes.h"
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#include "expression.h"
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#include "expression.h"
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#include "symfile.h"
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#include "symfile.h"
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#include "objfiles.h"
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#include "objfiles.h"
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#include "aout/stab_gnu.h" /* We always use GNU stabs, not native */
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#include "aout/stab_gnu.h" /* We always use GNU stabs, not native */
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#include "libaout.h"
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#include "libaout.h"
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#include "aout/aout64.h"
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#include "aout/aout64.h"
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#include "gdb-stabs.h"
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#include "gdb-stabs.h"
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#include "buildsym.h"
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#include "buildsym.h"
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#include "complaints.h"
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#include "complaints.h"
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#include "demangle.h"
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#include "demangle.h"
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#include "language.h"
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#include "language.h"
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|
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#include <ctype.h>
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#include <ctype.h>
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|
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/* Ask stabsread.h to define the vars it normally declares `extern'. */
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/* Ask stabsread.h to define the vars it normally declares `extern'. */
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#define EXTERN
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#define EXTERN
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/**/
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/**/
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#include "stabsread.h" /* Our own declarations */
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#include "stabsread.h" /* Our own declarations */
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#undef EXTERN
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#undef EXTERN
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|
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extern void _initialize_stabsread PARAMS ((void));
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extern void _initialize_stabsread PARAMS ((void));
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|
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/* The routines that read and process a complete stabs for a C struct or
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/* The routines that read and process a complete stabs for a C struct or
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C++ class pass lists of data member fields and lists of member function
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C++ class pass lists of data member fields and lists of member function
|
fields in an instance of a field_info structure, as defined below.
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fields in an instance of a field_info structure, as defined below.
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This is part of some reorganization of low level C++ support and is
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This is part of some reorganization of low level C++ support and is
|
expected to eventually go away... (FIXME) */
|
expected to eventually go away... (FIXME) */
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|
|
struct field_info
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struct field_info
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{
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{
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struct nextfield
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struct nextfield
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{
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{
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struct nextfield *next;
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struct nextfield *next;
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|
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/* This is the raw visibility from the stab. It is not checked
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/* This is the raw visibility from the stab. It is not checked
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for being one of the visibilities we recognize, so code which
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for being one of the visibilities we recognize, so code which
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examines this field better be able to deal. */
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examines this field better be able to deal. */
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int visibility;
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int visibility;
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|
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struct field field;
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struct field field;
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}
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}
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*list;
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*list;
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struct next_fnfieldlist
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struct next_fnfieldlist
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{
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{
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struct next_fnfieldlist *next;
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struct next_fnfieldlist *next;
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struct fn_fieldlist fn_fieldlist;
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struct fn_fieldlist fn_fieldlist;
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}
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}
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*fnlist;
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*fnlist;
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};
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};
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|
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static void
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static void
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read_one_struct_field PARAMS ((struct field_info *, char **, char *,
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read_one_struct_field PARAMS ((struct field_info *, char **, char *,
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struct type *, struct objfile *));
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struct type *, struct objfile *));
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|
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static char *
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static char *
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get_substring PARAMS ((char **, int));
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get_substring PARAMS ((char **, int));
|
|
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static struct type *
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static struct type *
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dbx_alloc_type PARAMS ((int[2], struct objfile *));
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dbx_alloc_type PARAMS ((int[2], struct objfile *));
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|
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static long read_huge_number PARAMS ((char **, int, int *));
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static long read_huge_number PARAMS ((char **, int, int *));
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|
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static struct type *error_type PARAMS ((char **, struct objfile *));
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static struct type *error_type PARAMS ((char **, struct objfile *));
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|
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static void
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static void
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patch_block_stabs PARAMS ((struct pending *, struct pending_stabs *,
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patch_block_stabs PARAMS ((struct pending *, struct pending_stabs *,
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struct objfile *));
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struct objfile *));
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|
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static void
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static void
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fix_common_block PARAMS ((struct symbol *, int));
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fix_common_block PARAMS ((struct symbol *, int));
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|
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static int
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static int
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read_type_number PARAMS ((char **, int *));
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read_type_number PARAMS ((char **, int *));
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|
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static struct type *
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static struct type *
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read_range_type PARAMS ((char **, int[2], struct objfile *));
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read_range_type PARAMS ((char **, int[2], struct objfile *));
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|
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static struct type *
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static struct type *
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read_sun_builtin_type PARAMS ((char **, int[2], struct objfile *));
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read_sun_builtin_type PARAMS ((char **, int[2], struct objfile *));
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|
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static struct type *
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static struct type *
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read_sun_floating_type PARAMS ((char **, int[2], struct objfile *));
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read_sun_floating_type PARAMS ((char **, int[2], struct objfile *));
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|
|
static struct type *
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static struct type *
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read_enum_type PARAMS ((char **, struct type *, struct objfile *));
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read_enum_type PARAMS ((char **, struct type *, struct objfile *));
|
|
|
static struct type *
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static struct type *
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rs6000_builtin_type PARAMS ((int));
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rs6000_builtin_type PARAMS ((int));
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|
|
static int
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static int
|
read_member_functions PARAMS ((struct field_info *, char **, struct type *,
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read_member_functions PARAMS ((struct field_info *, char **, struct type *,
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struct objfile *));
|
struct objfile *));
|
|
|
static int
|
static int
|
read_struct_fields PARAMS ((struct field_info *, char **, struct type *,
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read_struct_fields PARAMS ((struct field_info *, char **, struct type *,
|
struct objfile *));
|
struct objfile *));
|
|
|
static int
|
static int
|
read_baseclasses PARAMS ((struct field_info *, char **, struct type *,
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read_baseclasses PARAMS ((struct field_info *, char **, struct type *,
|
struct objfile *));
|
struct objfile *));
|
|
|
static int
|
static int
|
read_tilde_fields PARAMS ((struct field_info *, char **, struct type *,
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read_tilde_fields PARAMS ((struct field_info *, char **, struct type *,
|
struct objfile *));
|
struct objfile *));
|
|
|
static int
|
static int
|
attach_fn_fields_to_type PARAMS ((struct field_info *, struct type *));
|
attach_fn_fields_to_type PARAMS ((struct field_info *, struct type *));
|
|
|
static int
|
static int
|
attach_fields_to_type PARAMS ((struct field_info *, struct type *,
|
attach_fields_to_type PARAMS ((struct field_info *, struct type *,
|
struct objfile *));
|
struct objfile *));
|
|
|
static struct type *
|
static struct type *
|
read_struct_type PARAMS ((char **, struct type *, struct objfile *));
|
read_struct_type PARAMS ((char **, struct type *, struct objfile *));
|
|
|
static struct type *
|
static struct type *
|
read_array_type PARAMS ((char **, struct type *, struct objfile *));
|
read_array_type PARAMS ((char **, struct type *, struct objfile *));
|
|
|
static struct type **
|
static struct type **
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read_args PARAMS ((char **, int, struct objfile *));
|
read_args PARAMS ((char **, int, struct objfile *));
|
|
|
static int
|
static int
|
read_cpp_abbrev PARAMS ((struct field_info *, char **, struct type *,
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read_cpp_abbrev PARAMS ((struct field_info *, char **, struct type *,
|
struct objfile *));
|
struct objfile *));
|
|
|
/* new functions added for cfront support */
|
/* new functions added for cfront support */
|
|
|
static int
|
static int
|
copy_cfront_struct_fields PARAMS ((struct field_info *, struct type *,
|
copy_cfront_struct_fields PARAMS ((struct field_info *, struct type *,
|
struct objfile *));
|
struct objfile *));
|
|
|
static char *
|
static char *
|
get_cfront_method_physname PARAMS ((char *));
|
get_cfront_method_physname PARAMS ((char *));
|
|
|
static int
|
static int
|
read_cfront_baseclasses PARAMS ((struct field_info *, char **,
|
read_cfront_baseclasses PARAMS ((struct field_info *, char **,
|
struct type *, struct objfile *));
|
struct type *, struct objfile *));
|
|
|
static int
|
static int
|
read_cfront_static_fields PARAMS ((struct field_info *, char **,
|
read_cfront_static_fields PARAMS ((struct field_info *, char **,
|
struct type *, struct objfile *));
|
struct type *, struct objfile *));
|
static int
|
static int
|
read_cfront_member_functions PARAMS ((struct field_info *, char **,
|
read_cfront_member_functions PARAMS ((struct field_info *, char **,
|
struct type *, struct objfile *));
|
struct type *, struct objfile *));
|
|
|
/* end new functions added for cfront support */
|
/* end new functions added for cfront support */
|
|
|
static void
|
static void
|
add_live_range PARAMS ((struct objfile *, struct symbol *,
|
add_live_range PARAMS ((struct objfile *, struct symbol *,
|
CORE_ADDR, CORE_ADDR));
|
CORE_ADDR, CORE_ADDR));
|
|
|
static int
|
static int
|
resolve_live_range PARAMS ((struct objfile *, struct symbol *, char *));
|
resolve_live_range PARAMS ((struct objfile *, struct symbol *, char *));
|
|
|
static int
|
static int
|
process_reference PARAMS ((char **string));
|
process_reference PARAMS ((char **string));
|
|
|
static CORE_ADDR
|
static CORE_ADDR
|
ref_search_value PARAMS ((int refnum));
|
ref_search_value PARAMS ((int refnum));
|
|
|
static int
|
static int
|
resolve_symbol_reference PARAMS ((struct objfile *, struct symbol *, char *));
|
resolve_symbol_reference PARAMS ((struct objfile *, struct symbol *, char *));
|
|
|
void stabsread_clear_cache PARAMS ((void));
|
void stabsread_clear_cache PARAMS ((void));
|
|
|
static const char vptr_name[] =
|
static const char vptr_name[] =
|
{'_', 'v', 'p', 't', 'r', CPLUS_MARKER, '\0'};
|
{'_', 'v', 'p', 't', 'r', CPLUS_MARKER, '\0'};
|
static const char vb_name[] =
|
static const char vb_name[] =
|
{'_', 'v', 'b', CPLUS_MARKER, '\0'};
|
{'_', 'v', 'b', CPLUS_MARKER, '\0'};
|
|
|
/* Define this as 1 if a pcc declaration of a char or short argument
|
/* Define this as 1 if a pcc declaration of a char or short argument
|
gives the correct address. Otherwise assume pcc gives the
|
gives the correct address. Otherwise assume pcc gives the
|
address of the corresponding int, which is not the same on a
|
address of the corresponding int, which is not the same on a
|
big-endian machine. */
|
big-endian machine. */
|
|
|
#if !defined (BELIEVE_PCC_PROMOTION)
|
#if !defined (BELIEVE_PCC_PROMOTION)
|
#define BELIEVE_PCC_PROMOTION 0
|
#define BELIEVE_PCC_PROMOTION 0
|
#endif
|
#endif
|
#if !defined (BELIEVE_PCC_PROMOTION_TYPE)
|
#if !defined (BELIEVE_PCC_PROMOTION_TYPE)
|
#define BELIEVE_PCC_PROMOTION_TYPE 0
|
#define BELIEVE_PCC_PROMOTION_TYPE 0
|
#endif
|
#endif
|
|
|
static struct complaint invalid_cpp_abbrev_complaint =
|
static struct complaint invalid_cpp_abbrev_complaint =
|
{"invalid C++ abbreviation `%s'", 0, 0};
|
{"invalid C++ abbreviation `%s'", 0, 0};
|
|
|
static struct complaint invalid_cpp_type_complaint =
|
static struct complaint invalid_cpp_type_complaint =
|
{"C++ abbreviated type name unknown at symtab pos %d", 0, 0};
|
{"C++ abbreviated type name unknown at symtab pos %d", 0, 0};
|
|
|
static struct complaint member_fn_complaint =
|
static struct complaint member_fn_complaint =
|
{"member function type missing, got '%c'", 0, 0};
|
{"member function type missing, got '%c'", 0, 0};
|
|
|
static struct complaint const_vol_complaint =
|
static struct complaint const_vol_complaint =
|
{"const/volatile indicator missing, got '%c'", 0, 0};
|
{"const/volatile indicator missing, got '%c'", 0, 0};
|
|
|
static struct complaint error_type_complaint =
|
static struct complaint error_type_complaint =
|
{"debug info mismatch between compiler and debugger", 0, 0};
|
{"debug info mismatch between compiler and debugger", 0, 0};
|
|
|
static struct complaint invalid_member_complaint =
|
static struct complaint invalid_member_complaint =
|
{"invalid (minimal) member type data format at symtab pos %d.", 0, 0};
|
{"invalid (minimal) member type data format at symtab pos %d.", 0, 0};
|
|
|
static struct complaint range_type_base_complaint =
|
static struct complaint range_type_base_complaint =
|
{"base type %d of range type is not defined", 0, 0};
|
{"base type %d of range type is not defined", 0, 0};
|
|
|
static struct complaint reg_value_complaint =
|
static struct complaint reg_value_complaint =
|
{"register number %d too large (max %d) in symbol %s", 0, 0};
|
{"register number %d too large (max %d) in symbol %s", 0, 0};
|
|
|
static struct complaint vtbl_notfound_complaint =
|
static struct complaint vtbl_notfound_complaint =
|
{"virtual function table pointer not found when defining class `%s'", 0, 0};
|
{"virtual function table pointer not found when defining class `%s'", 0, 0};
|
|
|
static struct complaint unrecognized_cplus_name_complaint =
|
static struct complaint unrecognized_cplus_name_complaint =
|
{"Unknown C++ symbol name `%s'", 0, 0};
|
{"Unknown C++ symbol name `%s'", 0, 0};
|
|
|
static struct complaint rs6000_builtin_complaint =
|
static struct complaint rs6000_builtin_complaint =
|
{"Unknown builtin type %d", 0, 0};
|
{"Unknown builtin type %d", 0, 0};
|
|
|
static struct complaint unresolved_sym_chain_complaint =
|
static struct complaint unresolved_sym_chain_complaint =
|
{"%s: common block `%s' from global_sym_chain unresolved", 0, 0};
|
{"%s: common block `%s' from global_sym_chain unresolved", 0, 0};
|
|
|
static struct complaint stabs_general_complaint =
|
static struct complaint stabs_general_complaint =
|
{"%s", 0, 0};
|
{"%s", 0, 0};
|
|
|
static struct complaint lrs_general_complaint =
|
static struct complaint lrs_general_complaint =
|
{"%s", 0, 0};
|
{"%s", 0, 0};
|
|
|
/* Make a list of forward references which haven't been defined. */
|
/* Make a list of forward references which haven't been defined. */
|
|
|
static struct type **undef_types;
|
static struct type **undef_types;
|
static int undef_types_allocated;
|
static int undef_types_allocated;
|
static int undef_types_length;
|
static int undef_types_length;
|
static struct symbol *current_symbol = NULL;
|
static struct symbol *current_symbol = NULL;
|
|
|
/* Check for and handle cretinous stabs symbol name continuation! */
|
/* Check for and handle cretinous stabs symbol name continuation! */
|
#define STABS_CONTINUE(pp,objfile) \
|
#define STABS_CONTINUE(pp,objfile) \
|
do { \
|
do { \
|
if (**(pp) == '\\' || (**(pp) == '?' && (*(pp))[1] == '\0')) \
|
if (**(pp) == '\\' || (**(pp) == '?' && (*(pp))[1] == '\0')) \
|
*(pp) = next_symbol_text (objfile); \
|
*(pp) = next_symbol_text (objfile); \
|
} while (0)
|
} while (0)
|
|
|
/* FIXME: These probably should be our own types (like rs6000_builtin_type
|
/* FIXME: These probably should be our own types (like rs6000_builtin_type
|
has its own types) rather than builtin_type_*. */
|
has its own types) rather than builtin_type_*. */
|
static struct type **os9k_type_vector[] =
|
static struct type **os9k_type_vector[] =
|
{
|
{
|
0,
|
0,
|
&builtin_type_int,
|
&builtin_type_int,
|
&builtin_type_char,
|
&builtin_type_char,
|
&builtin_type_long,
|
&builtin_type_long,
|
&builtin_type_short,
|
&builtin_type_short,
|
&builtin_type_unsigned_char,
|
&builtin_type_unsigned_char,
|
&builtin_type_unsigned_short,
|
&builtin_type_unsigned_short,
|
&builtin_type_unsigned_long,
|
&builtin_type_unsigned_long,
|
&builtin_type_unsigned_int,
|
&builtin_type_unsigned_int,
|
&builtin_type_float,
|
&builtin_type_float,
|
&builtin_type_double,
|
&builtin_type_double,
|
&builtin_type_void,
|
&builtin_type_void,
|
&builtin_type_long_double
|
&builtin_type_long_double
|
};
|
};
|
|
|
static void os9k_init_type_vector PARAMS ((struct type **));
|
static void os9k_init_type_vector PARAMS ((struct type **));
|
|
|
static void
|
static void
|
os9k_init_type_vector (tv)
|
os9k_init_type_vector (tv)
|
struct type **tv;
|
struct type **tv;
|
{
|
{
|
unsigned int i;
|
unsigned int i;
|
for (i = 0; i < sizeof (os9k_type_vector) / sizeof (struct type **); i++)
|
for (i = 0; i < sizeof (os9k_type_vector) / sizeof (struct type **); i++)
|
tv[i] = (os9k_type_vector[i] == 0 ? 0 : *(os9k_type_vector[i]));
|
tv[i] = (os9k_type_vector[i] == 0 ? 0 : *(os9k_type_vector[i]));
|
}
|
}
|
|
|
/* Look up a dbx type-number pair. Return the address of the slot
|
/* Look up a dbx type-number pair. Return the address of the slot
|
where the type for that number-pair is stored.
|
where the type for that number-pair is stored.
|
The number-pair is in TYPENUMS.
|
The number-pair is in TYPENUMS.
|
|
|
This can be used for finding the type associated with that pair
|
This can be used for finding the type associated with that pair
|
or for associating a new type with the pair. */
|
or for associating a new type with the pair. */
|
|
|
struct type **
|
struct type **
|
dbx_lookup_type (typenums)
|
dbx_lookup_type (typenums)
|
int typenums[2];
|
int typenums[2];
|
{
|
{
|
register int filenum = typenums[0];
|
register int filenum = typenums[0];
|
register int index = typenums[1];
|
register int index = typenums[1];
|
unsigned old_len;
|
unsigned old_len;
|
register int real_filenum;
|
register int real_filenum;
|
register struct header_file *f;
|
register struct header_file *f;
|
int f_orig_length;
|
int f_orig_length;
|
|
|
if (filenum == -1) /* -1,-1 is for temporary types. */
|
if (filenum == -1) /* -1,-1 is for temporary types. */
|
return 0;
|
return 0;
|
|
|
if (filenum < 0 || filenum >= n_this_object_header_files)
|
if (filenum < 0 || filenum >= n_this_object_header_files)
|
{
|
{
|
static struct complaint msg =
|
static struct complaint msg =
|
{"\
|
{"\
|
Invalid symbol data: type number (%d,%d) out of range at symtab pos %d.",
|
Invalid symbol data: type number (%d,%d) out of range at symtab pos %d.",
|
0, 0};
|
0, 0};
|
complain (&msg, filenum, index, symnum);
|
complain (&msg, filenum, index, symnum);
|
goto error_return;
|
goto error_return;
|
}
|
}
|
|
|
if (filenum == 0)
|
if (filenum == 0)
|
{
|
{
|
if (index < 0)
|
if (index < 0)
|
{
|
{
|
/* Caller wants address of address of type. We think
|
/* Caller wants address of address of type. We think
|
that negative (rs6k builtin) types will never appear as
|
that negative (rs6k builtin) types will never appear as
|
"lvalues", (nor should they), so we stuff the real type
|
"lvalues", (nor should they), so we stuff the real type
|
pointer into a temp, and return its address. If referenced,
|
pointer into a temp, and return its address. If referenced,
|
this will do the right thing. */
|
this will do the right thing. */
|
static struct type *temp_type;
|
static struct type *temp_type;
|
|
|
temp_type = rs6000_builtin_type (index);
|
temp_type = rs6000_builtin_type (index);
|
return &temp_type;
|
return &temp_type;
|
}
|
}
|
|
|
/* Type is defined outside of header files.
|
/* Type is defined outside of header files.
|
Find it in this object file's type vector. */
|
Find it in this object file's type vector. */
|
if (index >= type_vector_length)
|
if (index >= type_vector_length)
|
{
|
{
|
old_len = type_vector_length;
|
old_len = type_vector_length;
|
if (old_len == 0)
|
if (old_len == 0)
|
{
|
{
|
type_vector_length = INITIAL_TYPE_VECTOR_LENGTH;
|
type_vector_length = INITIAL_TYPE_VECTOR_LENGTH;
|
type_vector = (struct type **)
|
type_vector = (struct type **)
|
xmalloc (type_vector_length * sizeof (struct type *));
|
xmalloc (type_vector_length * sizeof (struct type *));
|
}
|
}
|
while (index >= type_vector_length)
|
while (index >= type_vector_length)
|
{
|
{
|
type_vector_length *= 2;
|
type_vector_length *= 2;
|
}
|
}
|
type_vector = (struct type **)
|
type_vector = (struct type **)
|
xrealloc ((char *) type_vector,
|
xrealloc ((char *) type_vector,
|
(type_vector_length * sizeof (struct type *)));
|
(type_vector_length * sizeof (struct type *)));
|
memset (&type_vector[old_len], 0,
|
memset (&type_vector[old_len], 0,
|
(type_vector_length - old_len) * sizeof (struct type *));
|
(type_vector_length - old_len) * sizeof (struct type *));
|
|
|
if (os9k_stabs)
|
if (os9k_stabs)
|
/* Deal with OS9000 fundamental types. */
|
/* Deal with OS9000 fundamental types. */
|
os9k_init_type_vector (type_vector);
|
os9k_init_type_vector (type_vector);
|
}
|
}
|
return (&type_vector[index]);
|
return (&type_vector[index]);
|
}
|
}
|
else
|
else
|
{
|
{
|
real_filenum = this_object_header_files[filenum];
|
real_filenum = this_object_header_files[filenum];
|
|
|
if (real_filenum >= N_HEADER_FILES (current_objfile))
|
if (real_filenum >= N_HEADER_FILES (current_objfile))
|
{
|
{
|
struct type *temp_type;
|
struct type *temp_type;
|
struct type **temp_type_p;
|
struct type **temp_type_p;
|
|
|
warning ("GDB internal error: bad real_filenum");
|
warning ("GDB internal error: bad real_filenum");
|
|
|
error_return:
|
error_return:
|
temp_type = init_type (TYPE_CODE_ERROR, 0, 0, NULL, NULL);
|
temp_type = init_type (TYPE_CODE_ERROR, 0, 0, NULL, NULL);
|
temp_type_p = (struct type **) xmalloc (sizeof (struct type *));
|
temp_type_p = (struct type **) xmalloc (sizeof (struct type *));
|
*temp_type_p = temp_type;
|
*temp_type_p = temp_type;
|
return temp_type_p;
|
return temp_type_p;
|
}
|
}
|
|
|
f = HEADER_FILES (current_objfile) + real_filenum;
|
f = HEADER_FILES (current_objfile) + real_filenum;
|
|
|
f_orig_length = f->length;
|
f_orig_length = f->length;
|
if (index >= f_orig_length)
|
if (index >= f_orig_length)
|
{
|
{
|
while (index >= f->length)
|
while (index >= f->length)
|
{
|
{
|
f->length *= 2;
|
f->length *= 2;
|
}
|
}
|
f->vector = (struct type **)
|
f->vector = (struct type **)
|
xrealloc ((char *) f->vector, f->length * sizeof (struct type *));
|
xrealloc ((char *) f->vector, f->length * sizeof (struct type *));
|
memset (&f->vector[f_orig_length], 0,
|
memset (&f->vector[f_orig_length], 0,
|
(f->length - f_orig_length) * sizeof (struct type *));
|
(f->length - f_orig_length) * sizeof (struct type *));
|
}
|
}
|
return (&f->vector[index]);
|
return (&f->vector[index]);
|
}
|
}
|
}
|
}
|
|
|
/* Make sure there is a type allocated for type numbers TYPENUMS
|
/* Make sure there is a type allocated for type numbers TYPENUMS
|
and return the type object.
|
and return the type object.
|
This can create an empty (zeroed) type object.
|
This can create an empty (zeroed) type object.
|
TYPENUMS may be (-1, -1) to return a new type object that is not
|
TYPENUMS may be (-1, -1) to return a new type object that is not
|
put into the type vector, and so may not be referred to by number. */
|
put into the type vector, and so may not be referred to by number. */
|
|
|
static struct type *
|
static struct type *
|
dbx_alloc_type (typenums, objfile)
|
dbx_alloc_type (typenums, objfile)
|
int typenums[2];
|
int typenums[2];
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
register struct type **type_addr;
|
register struct type **type_addr;
|
|
|
if (typenums[0] == -1)
|
if (typenums[0] == -1)
|
{
|
{
|
return (alloc_type (objfile));
|
return (alloc_type (objfile));
|
}
|
}
|
|
|
type_addr = dbx_lookup_type (typenums);
|
type_addr = dbx_lookup_type (typenums);
|
|
|
/* If we are referring to a type not known at all yet,
|
/* If we are referring to a type not known at all yet,
|
allocate an empty type for it.
|
allocate an empty type for it.
|
We will fill it in later if we find out how. */
|
We will fill it in later if we find out how. */
|
if (*type_addr == 0)
|
if (*type_addr == 0)
|
{
|
{
|
*type_addr = alloc_type (objfile);
|
*type_addr = alloc_type (objfile);
|
}
|
}
|
|
|
return (*type_addr);
|
return (*type_addr);
|
}
|
}
|
|
|
/* for all the stabs in a given stab vector, build appropriate types
|
/* for all the stabs in a given stab vector, build appropriate types
|
and fix their symbols in given symbol vector. */
|
and fix their symbols in given symbol vector. */
|
|
|
static void
|
static void
|
patch_block_stabs (symbols, stabs, objfile)
|
patch_block_stabs (symbols, stabs, objfile)
|
struct pending *symbols;
|
struct pending *symbols;
|
struct pending_stabs *stabs;
|
struct pending_stabs *stabs;
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
int ii;
|
int ii;
|
char *name;
|
char *name;
|
char *pp;
|
char *pp;
|
struct symbol *sym;
|
struct symbol *sym;
|
|
|
if (stabs)
|
if (stabs)
|
{
|
{
|
|
|
/* for all the stab entries, find their corresponding symbols and
|
/* for all the stab entries, find their corresponding symbols and
|
patch their types! */
|
patch their types! */
|
|
|
for (ii = 0; ii < stabs->count; ++ii)
|
for (ii = 0; ii < stabs->count; ++ii)
|
{
|
{
|
name = stabs->stab[ii];
|
name = stabs->stab[ii];
|
pp = (char *) strchr (name, ':');
|
pp = (char *) strchr (name, ':');
|
while (pp[1] == ':')
|
while (pp[1] == ':')
|
{
|
{
|
pp += 2;
|
pp += 2;
|
pp = (char *) strchr (pp, ':');
|
pp = (char *) strchr (pp, ':');
|
}
|
}
|
sym = find_symbol_in_list (symbols, name, pp - name);
|
sym = find_symbol_in_list (symbols, name, pp - name);
|
if (!sym)
|
if (!sym)
|
{
|
{
|
/* FIXME-maybe: it would be nice if we noticed whether
|
/* FIXME-maybe: it would be nice if we noticed whether
|
the variable was defined *anywhere*, not just whether
|
the variable was defined *anywhere*, not just whether
|
it is defined in this compilation unit. But neither
|
it is defined in this compilation unit. But neither
|
xlc or GCC seem to need such a definition, and until
|
xlc or GCC seem to need such a definition, and until
|
we do psymtabs (so that the minimal symbols from all
|
we do psymtabs (so that the minimal symbols from all
|
compilation units are available now), I'm not sure
|
compilation units are available now), I'm not sure
|
how to get the information. */
|
how to get the information. */
|
|
|
/* On xcoff, if a global is defined and never referenced,
|
/* On xcoff, if a global is defined and never referenced,
|
ld will remove it from the executable. There is then
|
ld will remove it from the executable. There is then
|
a N_GSYM stab for it, but no regular (C_EXT) symbol. */
|
a N_GSYM stab for it, but no regular (C_EXT) symbol. */
|
sym = (struct symbol *)
|
sym = (struct symbol *)
|
obstack_alloc (&objfile->symbol_obstack,
|
obstack_alloc (&objfile->symbol_obstack,
|
sizeof (struct symbol));
|
sizeof (struct symbol));
|
|
|
memset (sym, 0, sizeof (struct symbol));
|
memset (sym, 0, sizeof (struct symbol));
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
SYMBOL_CLASS (sym) = LOC_OPTIMIZED_OUT;
|
SYMBOL_CLASS (sym) = LOC_OPTIMIZED_OUT;
|
SYMBOL_NAME (sym) =
|
SYMBOL_NAME (sym) =
|
obsavestring (name, pp - name, &objfile->symbol_obstack);
|
obsavestring (name, pp - name, &objfile->symbol_obstack);
|
pp += 2;
|
pp += 2;
|
if (*(pp - 1) == 'F' || *(pp - 1) == 'f')
|
if (*(pp - 1) == 'F' || *(pp - 1) == 'f')
|
{
|
{
|
/* I don't think the linker does this with functions,
|
/* I don't think the linker does this with functions,
|
so as far as I know this is never executed.
|
so as far as I know this is never executed.
|
But it doesn't hurt to check. */
|
But it doesn't hurt to check. */
|
SYMBOL_TYPE (sym) =
|
SYMBOL_TYPE (sym) =
|
lookup_function_type (read_type (&pp, objfile));
|
lookup_function_type (read_type (&pp, objfile));
|
}
|
}
|
else
|
else
|
{
|
{
|
SYMBOL_TYPE (sym) = read_type (&pp, objfile);
|
SYMBOL_TYPE (sym) = read_type (&pp, objfile);
|
}
|
}
|
add_symbol_to_list (sym, &global_symbols);
|
add_symbol_to_list (sym, &global_symbols);
|
}
|
}
|
else
|
else
|
{
|
{
|
pp += 2;
|
pp += 2;
|
if (*(pp - 1) == 'F' || *(pp - 1) == 'f')
|
if (*(pp - 1) == 'F' || *(pp - 1) == 'f')
|
{
|
{
|
SYMBOL_TYPE (sym) =
|
SYMBOL_TYPE (sym) =
|
lookup_function_type (read_type (&pp, objfile));
|
lookup_function_type (read_type (&pp, objfile));
|
}
|
}
|
else
|
else
|
{
|
{
|
SYMBOL_TYPE (sym) = read_type (&pp, objfile);
|
SYMBOL_TYPE (sym) = read_type (&pp, objfile);
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
|
|
/* Read a number by which a type is referred to in dbx data,
|
/* Read a number by which a type is referred to in dbx data,
|
or perhaps read a pair (FILENUM, TYPENUM) in parentheses.
|
or perhaps read a pair (FILENUM, TYPENUM) in parentheses.
|
Just a single number N is equivalent to (0,N).
|
Just a single number N is equivalent to (0,N).
|
Return the two numbers by storing them in the vector TYPENUMS.
|
Return the two numbers by storing them in the vector TYPENUMS.
|
TYPENUMS will then be used as an argument to dbx_lookup_type.
|
TYPENUMS will then be used as an argument to dbx_lookup_type.
|
|
|
Returns 0 for success, -1 for error. */
|
Returns 0 for success, -1 for error. */
|
|
|
static int
|
static int
|
read_type_number (pp, typenums)
|
read_type_number (pp, typenums)
|
register char **pp;
|
register char **pp;
|
register int *typenums;
|
register int *typenums;
|
{
|
{
|
int nbits;
|
int nbits;
|
if (**pp == '(')
|
if (**pp == '(')
|
{
|
{
|
(*pp)++;
|
(*pp)++;
|
typenums[0] = read_huge_number (pp, ',', &nbits);
|
typenums[0] = read_huge_number (pp, ',', &nbits);
|
if (nbits != 0)
|
if (nbits != 0)
|
return -1;
|
return -1;
|
typenums[1] = read_huge_number (pp, ')', &nbits);
|
typenums[1] = read_huge_number (pp, ')', &nbits);
|
if (nbits != 0)
|
if (nbits != 0)
|
return -1;
|
return -1;
|
}
|
}
|
else
|
else
|
{
|
{
|
typenums[0] = 0;
|
typenums[0] = 0;
|
typenums[1] = read_huge_number (pp, 0, &nbits);
|
typenums[1] = read_huge_number (pp, 0, &nbits);
|
if (nbits != 0)
|
if (nbits != 0)
|
return -1;
|
return -1;
|
}
|
}
|
return 0;
|
return 0;
|
}
|
}
|
|
|
|
|
#if !defined (REG_STRUCT_HAS_ADDR)
|
#if !defined (REG_STRUCT_HAS_ADDR)
|
#define REG_STRUCT_HAS_ADDR(gcc_p,type) 0
|
#define REG_STRUCT_HAS_ADDR(gcc_p,type) 0
|
#endif
|
#endif
|
|
|
#define VISIBILITY_PRIVATE '0' /* Stabs character for private field */
|
#define VISIBILITY_PRIVATE '0' /* Stabs character for private field */
|
#define VISIBILITY_PROTECTED '1' /* Stabs character for protected fld */
|
#define VISIBILITY_PROTECTED '1' /* Stabs character for protected fld */
|
#define VISIBILITY_PUBLIC '2' /* Stabs character for public field */
|
#define VISIBILITY_PUBLIC '2' /* Stabs character for public field */
|
#define VISIBILITY_IGNORE '9' /* Optimized out or zero length */
|
#define VISIBILITY_IGNORE '9' /* Optimized out or zero length */
|
|
|
#define CFRONT_VISIBILITY_PRIVATE '2' /* Stabs character for private field */
|
#define CFRONT_VISIBILITY_PRIVATE '2' /* Stabs character for private field */
|
#define CFRONT_VISIBILITY_PUBLIC '1' /* Stabs character for public field */
|
#define CFRONT_VISIBILITY_PUBLIC '1' /* Stabs character for public field */
|
|
|
/* This code added to support parsing of ARM/Cfront stabs strings */
|
/* This code added to support parsing of ARM/Cfront stabs strings */
|
|
|
/* Get substring from string up to char c, advance string pointer past
|
/* Get substring from string up to char c, advance string pointer past
|
suibstring. */
|
suibstring. */
|
|
|
static char *
|
static char *
|
get_substring (p, c)
|
get_substring (p, c)
|
char **p;
|
char **p;
|
int c;
|
int c;
|
{
|
{
|
char *str;
|
char *str;
|
str = *p;
|
str = *p;
|
*p = strchr (*p, c);
|
*p = strchr (*p, c);
|
if (*p)
|
if (*p)
|
{
|
{
|
**p = 0;
|
**p = 0;
|
(*p)++;
|
(*p)++;
|
}
|
}
|
else
|
else
|
str = 0;
|
str = 0;
|
return str;
|
return str;
|
}
|
}
|
|
|
/* Physname gets strcat'd onto sname in order to recreate the mangled
|
/* Physname gets strcat'd onto sname in order to recreate the mangled
|
name (see funtion gdb_mangle_name in gdbtypes.c). For cfront, make
|
name (see funtion gdb_mangle_name in gdbtypes.c). For cfront, make
|
the physname look like that of g++ - take out the initial mangling
|
the physname look like that of g++ - take out the initial mangling
|
eg: for sname="a" and fname="foo__1aFPFs_i" return "FPFs_i" */
|
eg: for sname="a" and fname="foo__1aFPFs_i" return "FPFs_i" */
|
|
|
static char *
|
static char *
|
get_cfront_method_physname (fname)
|
get_cfront_method_physname (fname)
|
char *fname;
|
char *fname;
|
{
|
{
|
int len = 0;
|
int len = 0;
|
/* FIXME would like to make this generic for g++ too, but
|
/* FIXME would like to make this generic for g++ too, but
|
that is already handled in read_member_funcctions */
|
that is already handled in read_member_funcctions */
|
char *p = fname;
|
char *p = fname;
|
|
|
/* search ahead to find the start of the mangled suffix */
|
/* search ahead to find the start of the mangled suffix */
|
if (*p == '_' && *(p + 1) == '_') /* compiler generated; probably a ctor/dtor */
|
if (*p == '_' && *(p + 1) == '_') /* compiler generated; probably a ctor/dtor */
|
p += 2;
|
p += 2;
|
while (p && (unsigned) ((p + 1) - fname) < strlen (fname) && *(p + 1) != '_')
|
while (p && (unsigned) ((p + 1) - fname) < strlen (fname) && *(p + 1) != '_')
|
p = strchr (p, '_');
|
p = strchr (p, '_');
|
if (!(p && *p == '_' && *(p + 1) == '_'))
|
if (!(p && *p == '_' && *(p + 1) == '_'))
|
error ("Invalid mangled function name %s", fname);
|
error ("Invalid mangled function name %s", fname);
|
p += 2; /* advance past '__' */
|
p += 2; /* advance past '__' */
|
|
|
/* struct name length and name of type should come next; advance past it */
|
/* struct name length and name of type should come next; advance past it */
|
while (isdigit (*p))
|
while (isdigit (*p))
|
{
|
{
|
len = len * 10 + (*p - '0');
|
len = len * 10 + (*p - '0');
|
p++;
|
p++;
|
}
|
}
|
p += len;
|
p += len;
|
|
|
return p;
|
return p;
|
}
|
}
|
|
|
/* Read base classes within cfront class definition.
|
/* Read base classes within cfront class definition.
|
eg: A:ZcA;1@Bpub v2@Bvirpri;__ct__1AFv func__1AFv *sfunc__1AFv ;as__1A ;;
|
eg: A:ZcA;1@Bpub v2@Bvirpri;__ct__1AFv func__1AFv *sfunc__1AFv ;as__1A ;;
|
^^^^^^^^^^^^^^^^^^
|
^^^^^^^^^^^^^^^^^^
|
|
|
A:ZcA;;foopri__1AFv foopro__1AFv __ct__1AFv __ct__1AFRC1A foopub__1AFv ;;;
|
A:ZcA;;foopri__1AFv foopro__1AFv __ct__1AFv __ct__1AFRC1A foopub__1AFv ;;;
|
^
|
^
|
*/
|
*/
|
|
|
static int
|
static int
|
read_cfront_baseclasses (fip, pp, type, objfile)
|
read_cfront_baseclasses (fip, pp, type, objfile)
|
struct field_info *fip;
|
struct field_info *fip;
|
struct objfile *objfile;
|
struct objfile *objfile;
|
char **pp;
|
char **pp;
|
struct type *type;
|
struct type *type;
|
{
|
{
|
static struct complaint msg_unknown =
|
static struct complaint msg_unknown =
|
{"\
|
{"\
|
Unsupported token in stabs string %s.\n",
|
Unsupported token in stabs string %s.\n",
|
0, 0};
|
0, 0};
|
static struct complaint msg_notfound =
|
static struct complaint msg_notfound =
|
{"\
|
{"\
|
Unable to find base type for %s.\n",
|
Unable to find base type for %s.\n",
|
0, 0};
|
0, 0};
|
int bnum = 0;
|
int bnum = 0;
|
char *p;
|
char *p;
|
int i;
|
int i;
|
struct nextfield *new;
|
struct nextfield *new;
|
|
|
if (**pp == ';') /* no base classes; return */
|
if (**pp == ';') /* no base classes; return */
|
{
|
{
|
++(*pp);
|
++(*pp);
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/* first count base classes so we can allocate space before parsing */
|
/* first count base classes so we can allocate space before parsing */
|
for (p = *pp; p && *p && *p != ';'; p++)
|
for (p = *pp; p && *p && *p != ';'; p++)
|
{
|
{
|
if (*p == ' ')
|
if (*p == ' ')
|
bnum++;
|
bnum++;
|
}
|
}
|
bnum++; /* add one more for last one */
|
bnum++; /* add one more for last one */
|
|
|
/* now parse the base classes until we get to the start of the methods
|
/* now parse the base classes until we get to the start of the methods
|
(code extracted and munged from read_baseclasses) */
|
(code extracted and munged from read_baseclasses) */
|
ALLOCATE_CPLUS_STRUCT_TYPE (type);
|
ALLOCATE_CPLUS_STRUCT_TYPE (type);
|
TYPE_N_BASECLASSES (type) = bnum;
|
TYPE_N_BASECLASSES (type) = bnum;
|
|
|
/* allocate space */
|
/* allocate space */
|
{
|
{
|
int num_bytes = B_BYTES (TYPE_N_BASECLASSES (type));
|
int num_bytes = B_BYTES (TYPE_N_BASECLASSES (type));
|
char *pointer;
|
char *pointer;
|
|
|
pointer = (char *) TYPE_ALLOC (type, num_bytes);
|
pointer = (char *) TYPE_ALLOC (type, num_bytes);
|
TYPE_FIELD_VIRTUAL_BITS (type) = (B_TYPE *) pointer;
|
TYPE_FIELD_VIRTUAL_BITS (type) = (B_TYPE *) pointer;
|
}
|
}
|
B_CLRALL (TYPE_FIELD_VIRTUAL_BITS (type), TYPE_N_BASECLASSES (type));
|
B_CLRALL (TYPE_FIELD_VIRTUAL_BITS (type), TYPE_N_BASECLASSES (type));
|
|
|
for (i = 0; i < TYPE_N_BASECLASSES (type); i++)
|
for (i = 0; i < TYPE_N_BASECLASSES (type); i++)
|
{
|
{
|
new = (struct nextfield *) xmalloc (sizeof (struct nextfield));
|
new = (struct nextfield *) xmalloc (sizeof (struct nextfield));
|
make_cleanup (free, new);
|
make_cleanup (free, new);
|
memset (new, 0, sizeof (struct nextfield));
|
memset (new, 0, sizeof (struct nextfield));
|
new->next = fip->list;
|
new->next = fip->list;
|
fip->list = new;
|
fip->list = new;
|
FIELD_BITSIZE (new->field) = 0; /* this should be an unpacked field! */
|
FIELD_BITSIZE (new->field) = 0; /* this should be an unpacked field! */
|
|
|
STABS_CONTINUE (pp, objfile);
|
STABS_CONTINUE (pp, objfile);
|
|
|
/* virtual? eg: v2@Bvir */
|
/* virtual? eg: v2@Bvir */
|
if (**pp == 'v')
|
if (**pp == 'v')
|
{
|
{
|
SET_TYPE_FIELD_VIRTUAL (type, i);
|
SET_TYPE_FIELD_VIRTUAL (type, i);
|
++(*pp);
|
++(*pp);
|
}
|
}
|
|
|
/* access? eg: 2@Bvir */
|
/* access? eg: 2@Bvir */
|
/* Note: protected inheritance not supported in cfront */
|
/* Note: protected inheritance not supported in cfront */
|
switch (*(*pp)++)
|
switch (*(*pp)++)
|
{
|
{
|
case CFRONT_VISIBILITY_PRIVATE:
|
case CFRONT_VISIBILITY_PRIVATE:
|
new->visibility = VISIBILITY_PRIVATE;
|
new->visibility = VISIBILITY_PRIVATE;
|
break;
|
break;
|
case CFRONT_VISIBILITY_PUBLIC:
|
case CFRONT_VISIBILITY_PUBLIC:
|
new->visibility = VISIBILITY_PUBLIC;
|
new->visibility = VISIBILITY_PUBLIC;
|
break;
|
break;
|
default:
|
default:
|
/* Bad visibility format. Complain and treat it as
|
/* Bad visibility format. Complain and treat it as
|
public. */
|
public. */
|
{
|
{
|
static struct complaint msg =
|
static struct complaint msg =
|
{
|
{
|
"Unknown visibility `%c' for baseclass", 0, 0};
|
"Unknown visibility `%c' for baseclass", 0, 0};
|
complain (&msg, new->visibility);
|
complain (&msg, new->visibility);
|
new->visibility = VISIBILITY_PUBLIC;
|
new->visibility = VISIBILITY_PUBLIC;
|
}
|
}
|
}
|
}
|
|
|
/* "@" comes next - eg: @Bvir */
|
/* "@" comes next - eg: @Bvir */
|
if (**pp != '@')
|
if (**pp != '@')
|
{
|
{
|
complain (&msg_unknown, *pp);
|
complain (&msg_unknown, *pp);
|
return 1;
|
return 1;
|
}
|
}
|
++(*pp);
|
++(*pp);
|
|
|
|
|
/* Set the bit offset of the portion of the object corresponding
|
/* Set the bit offset of the portion of the object corresponding
|
to this baseclass. Always zero in the absence of
|
to this baseclass. Always zero in the absence of
|
multiple inheritance. */
|
multiple inheritance. */
|
/* Unable to read bit position from stabs;
|
/* Unable to read bit position from stabs;
|
Assuming no multiple inheritance for now FIXME! */
|
Assuming no multiple inheritance for now FIXME! */
|
/* We may have read this in the structure definition;
|
/* We may have read this in the structure definition;
|
now we should fixup the members to be the actual base classes */
|
now we should fixup the members to be the actual base classes */
|
FIELD_BITPOS (new->field) = 0;
|
FIELD_BITPOS (new->field) = 0;
|
|
|
/* Get the base class name and type */
|
/* Get the base class name and type */
|
{
|
{
|
char *bname; /* base class name */
|
char *bname; /* base class name */
|
struct symbol *bsym; /* base class */
|
struct symbol *bsym; /* base class */
|
char *p1, *p2;
|
char *p1, *p2;
|
p1 = strchr (*pp, ' ');
|
p1 = strchr (*pp, ' ');
|
p2 = strchr (*pp, ';');
|
p2 = strchr (*pp, ';');
|
if (p1 < p2)
|
if (p1 < p2)
|
bname = get_substring (pp, ' ');
|
bname = get_substring (pp, ' ');
|
else
|
else
|
bname = get_substring (pp, ';');
|
bname = get_substring (pp, ';');
|
if (!bname || !*bname)
|
if (!bname || !*bname)
|
{
|
{
|
complain (&msg_unknown, *pp);
|
complain (&msg_unknown, *pp);
|
return 1;
|
return 1;
|
}
|
}
|
/* FIXME! attach base info to type */
|
/* FIXME! attach base info to type */
|
bsym = lookup_symbol (bname, 0, STRUCT_NAMESPACE, 0, 0); /*demangled_name */
|
bsym = lookup_symbol (bname, 0, STRUCT_NAMESPACE, 0, 0); /*demangled_name */
|
if (bsym)
|
if (bsym)
|
{
|
{
|
new->field.type = SYMBOL_TYPE (bsym);
|
new->field.type = SYMBOL_TYPE (bsym);
|
new->field.name = type_name_no_tag (new->field.type);
|
new->field.name = type_name_no_tag (new->field.type);
|
}
|
}
|
else
|
else
|
{
|
{
|
complain (&msg_notfound, *pp);
|
complain (&msg_notfound, *pp);
|
return 1;
|
return 1;
|
}
|
}
|
}
|
}
|
|
|
/* If more base classes to parse, loop again.
|
/* If more base classes to parse, loop again.
|
We ate the last ' ' or ';' in get_substring,
|
We ate the last ' ' or ';' in get_substring,
|
so on exit we will have skipped the trailing ';' */
|
so on exit we will have skipped the trailing ';' */
|
/* if invalid, return 0; add code to detect - FIXME! */
|
/* if invalid, return 0; add code to detect - FIXME! */
|
}
|
}
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/* read cfront member functions.
|
/* read cfront member functions.
|
pp points to string starting with list of functions
|
pp points to string starting with list of functions
|
eg: A:ZcA;1@Bpub v2@Bvirpri;__ct__1AFv func__1AFv *sfunc__1AFv ;as__1A ;;
|
eg: A:ZcA;1@Bpub v2@Bvirpri;__ct__1AFv func__1AFv *sfunc__1AFv ;as__1A ;;
|
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
A:ZcA;;foopri__1AFv foopro__1AFv __ct__1AFv __ct__1AFRC1A foopub__1AFv ;;;
|
A:ZcA;;foopri__1AFv foopro__1AFv __ct__1AFv __ct__1AFRC1A foopub__1AFv ;;;
|
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
*/
|
*/
|
|
|
static int
|
static int
|
read_cfront_member_functions (fip, pp, type, objfile)
|
read_cfront_member_functions (fip, pp, type, objfile)
|
struct field_info *fip;
|
struct field_info *fip;
|
char **pp;
|
char **pp;
|
struct type *type;
|
struct type *type;
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
/* This code extracted from read_member_functions
|
/* This code extracted from read_member_functions
|
so as to do the similar thing for our funcs */
|
so as to do the similar thing for our funcs */
|
|
|
int nfn_fields = 0;
|
int nfn_fields = 0;
|
int length = 0;
|
int length = 0;
|
/* Total number of member functions defined in this class. If the class
|
/* Total number of member functions defined in this class. If the class
|
defines two `f' functions, and one `g' function, then this will have
|
defines two `f' functions, and one `g' function, then this will have
|
the value 3. */
|
the value 3. */
|
int total_length = 0;
|
int total_length = 0;
|
int i;
|
int i;
|
struct next_fnfield
|
struct next_fnfield
|
{
|
{
|
struct next_fnfield *next;
|
struct next_fnfield *next;
|
struct fn_field fn_field;
|
struct fn_field fn_field;
|
}
|
}
|
*sublist;
|
*sublist;
|
struct type *look_ahead_type;
|
struct type *look_ahead_type;
|
struct next_fnfieldlist *new_fnlist;
|
struct next_fnfieldlist *new_fnlist;
|
struct next_fnfield *new_sublist;
|
struct next_fnfield *new_sublist;
|
char *main_fn_name;
|
char *main_fn_name;
|
char *fname;
|
char *fname;
|
struct symbol *ref_func = 0;
|
struct symbol *ref_func = 0;
|
|
|
/* Process each list until we find the end of the member functions.
|
/* Process each list until we find the end of the member functions.
|
eg: p = "__ct__1AFv foo__1AFv ;;;" */
|
eg: p = "__ct__1AFv foo__1AFv ;;;" */
|
|
|
STABS_CONTINUE (pp, objfile); /* handle \\ */
|
STABS_CONTINUE (pp, objfile); /* handle \\ */
|
|
|
while (**pp != ';' && (fname = get_substring (pp, ' '), fname))
|
while (**pp != ';' && (fname = get_substring (pp, ' '), fname))
|
{
|
{
|
int is_static = 0;
|
int is_static = 0;
|
int sublist_count = 0;
|
int sublist_count = 0;
|
char *pname;
|
char *pname;
|
if (fname[0] == '*') /* static member */
|
if (fname[0] == '*') /* static member */
|
{
|
{
|
is_static = 1;
|
is_static = 1;
|
sublist_count++;
|
sublist_count++;
|
fname++;
|
fname++;
|
}
|
}
|
ref_func = lookup_symbol (fname, 0, VAR_NAMESPACE, 0, 0); /* demangled name */
|
ref_func = lookup_symbol (fname, 0, VAR_NAMESPACE, 0, 0); /* demangled name */
|
if (!ref_func)
|
if (!ref_func)
|
{
|
{
|
static struct complaint msg =
|
static struct complaint msg =
|
{"\
|
{"\
|
Unable to find function symbol for %s\n",
|
Unable to find function symbol for %s\n",
|
0, 0};
|
0, 0};
|
complain (&msg, fname);
|
complain (&msg, fname);
|
continue;
|
continue;
|
}
|
}
|
sublist = NULL;
|
sublist = NULL;
|
look_ahead_type = NULL;
|
look_ahead_type = NULL;
|
length = 0;
|
length = 0;
|
|
|
new_fnlist = (struct next_fnfieldlist *)
|
new_fnlist = (struct next_fnfieldlist *)
|
xmalloc (sizeof (struct next_fnfieldlist));
|
xmalloc (sizeof (struct next_fnfieldlist));
|
make_cleanup (free, new_fnlist);
|
make_cleanup (free, new_fnlist);
|
memset (new_fnlist, 0, sizeof (struct next_fnfieldlist));
|
memset (new_fnlist, 0, sizeof (struct next_fnfieldlist));
|
|
|
/* The following is code to work around cfront generated stabs.
|
/* The following is code to work around cfront generated stabs.
|
The stabs contains full mangled name for each field.
|
The stabs contains full mangled name for each field.
|
We try to demangle the name and extract the field name out of it. */
|
We try to demangle the name and extract the field name out of it. */
|
{
|
{
|
char *dem, *dem_p, *dem_args;
|
char *dem, *dem_p, *dem_args;
|
int dem_len;
|
int dem_len;
|
dem = cplus_demangle (fname, DMGL_ANSI | DMGL_PARAMS);
|
dem = cplus_demangle (fname, DMGL_ANSI | DMGL_PARAMS);
|
if (dem != NULL)
|
if (dem != NULL)
|
{
|
{
|
dem_p = strrchr (dem, ':');
|
dem_p = strrchr (dem, ':');
|
if (dem_p != 0 && *(dem_p - 1) == ':')
|
if (dem_p != 0 && *(dem_p - 1) == ':')
|
dem_p++;
|
dem_p++;
|
/* get rid of args */
|
/* get rid of args */
|
dem_args = strchr (dem_p, '(');
|
dem_args = strchr (dem_p, '(');
|
if (dem_args == NULL)
|
if (dem_args == NULL)
|
dem_len = strlen (dem_p);
|
dem_len = strlen (dem_p);
|
else
|
else
|
dem_len = dem_args - dem_p;
|
dem_len = dem_args - dem_p;
|
main_fn_name =
|
main_fn_name =
|
obsavestring (dem_p, dem_len, &objfile->type_obstack);
|
obsavestring (dem_p, dem_len, &objfile->type_obstack);
|
}
|
}
|
else
|
else
|
{
|
{
|
main_fn_name =
|
main_fn_name =
|
obsavestring (fname, strlen (fname), &objfile->type_obstack);
|
obsavestring (fname, strlen (fname), &objfile->type_obstack);
|
}
|
}
|
} /* end of code for cfront work around */
|
} /* end of code for cfront work around */
|
|
|
new_fnlist->fn_fieldlist.name = main_fn_name;
|
new_fnlist->fn_fieldlist.name = main_fn_name;
|
|
|
/*-------------------------------------------------*/
|
/*-------------------------------------------------*/
|
/* Set up the sublists
|
/* Set up the sublists
|
Sublists are stuff like args, static, visibility, etc.
|
Sublists are stuff like args, static, visibility, etc.
|
so in ARM, we have to set that info some other way.
|
so in ARM, we have to set that info some other way.
|
Multiple sublists happen if overloading
|
Multiple sublists happen if overloading
|
eg: foo::26=##1;:;2A.;
|
eg: foo::26=##1;:;2A.;
|
In g++, we'd loop here thru all the sublists... */
|
In g++, we'd loop here thru all the sublists... */
|
|
|
new_sublist =
|
new_sublist =
|
(struct next_fnfield *) xmalloc (sizeof (struct next_fnfield));
|
(struct next_fnfield *) xmalloc (sizeof (struct next_fnfield));
|
make_cleanup (free, new_sublist);
|
make_cleanup (free, new_sublist);
|
memset (new_sublist, 0, sizeof (struct next_fnfield));
|
memset (new_sublist, 0, sizeof (struct next_fnfield));
|
|
|
/* eat 1; from :;2A.; */
|
/* eat 1; from :;2A.; */
|
new_sublist->fn_field.type = SYMBOL_TYPE (ref_func); /* normally takes a read_type */
|
new_sublist->fn_field.type = SYMBOL_TYPE (ref_func); /* normally takes a read_type */
|
/* Make this type look like a method stub for gdb */
|
/* Make this type look like a method stub for gdb */
|
TYPE_FLAGS (new_sublist->fn_field.type) |= TYPE_FLAG_STUB;
|
TYPE_FLAGS (new_sublist->fn_field.type) |= TYPE_FLAG_STUB;
|
TYPE_CODE (new_sublist->fn_field.type) = TYPE_CODE_METHOD;
|
TYPE_CODE (new_sublist->fn_field.type) = TYPE_CODE_METHOD;
|
|
|
/* If this is just a stub, then we don't have the real name here. */
|
/* If this is just a stub, then we don't have the real name here. */
|
if (TYPE_FLAGS (new_sublist->fn_field.type) & TYPE_FLAG_STUB)
|
if (TYPE_FLAGS (new_sublist->fn_field.type) & TYPE_FLAG_STUB)
|
{
|
{
|
if (!TYPE_DOMAIN_TYPE (new_sublist->fn_field.type))
|
if (!TYPE_DOMAIN_TYPE (new_sublist->fn_field.type))
|
TYPE_DOMAIN_TYPE (new_sublist->fn_field.type) = type;
|
TYPE_DOMAIN_TYPE (new_sublist->fn_field.type) = type;
|
new_sublist->fn_field.is_stub = 1;
|
new_sublist->fn_field.is_stub = 1;
|
}
|
}
|
|
|
/* physname used later in mangling; eg PFs_i,5 for foo__1aFPFs_i
|
/* physname used later in mangling; eg PFs_i,5 for foo__1aFPFs_i
|
physname gets strcat'd in order to recreate the onto mangled name */
|
physname gets strcat'd in order to recreate the onto mangled name */
|
pname = get_cfront_method_physname (fname);
|
pname = get_cfront_method_physname (fname);
|
new_sublist->fn_field.physname = savestring (pname, strlen (pname));
|
new_sublist->fn_field.physname = savestring (pname, strlen (pname));
|
|
|
|
|
/* Set this member function's visibility fields.
|
/* Set this member function's visibility fields.
|
Unable to distinguish access from stabs definition!
|
Unable to distinguish access from stabs definition!
|
Assuming public for now. FIXME!
|
Assuming public for now. FIXME!
|
(for private, set new_sublist->fn_field.is_private = 1,
|
(for private, set new_sublist->fn_field.is_private = 1,
|
for public, set new_sublist->fn_field.is_protected = 1) */
|
for public, set new_sublist->fn_field.is_protected = 1) */
|
|
|
/* Unable to distinguish const/volatile from stabs definition!
|
/* Unable to distinguish const/volatile from stabs definition!
|
Assuming normal for now. FIXME! */
|
Assuming normal for now. FIXME! */
|
|
|
new_sublist->fn_field.is_const = 0;
|
new_sublist->fn_field.is_const = 0;
|
new_sublist->fn_field.is_volatile = 0; /* volatile not implemented in cfront */
|
new_sublist->fn_field.is_volatile = 0; /* volatile not implemented in cfront */
|
|
|
/* Set virtual/static function info
|
/* Set virtual/static function info
|
How to get vtable offsets ?
|
How to get vtable offsets ?
|
Assuming normal for now FIXME!!
|
Assuming normal for now FIXME!!
|
For vtables, figure out from whence this virtual function came.
|
For vtables, figure out from whence this virtual function came.
|
It may belong to virtual function table of
|
It may belong to virtual function table of
|
one of its baseclasses.
|
one of its baseclasses.
|
set:
|
set:
|
new_sublist -> fn_field.voffset = vtable offset,
|
new_sublist -> fn_field.voffset = vtable offset,
|
new_sublist -> fn_field.fcontext = look_ahead_type;
|
new_sublist -> fn_field.fcontext = look_ahead_type;
|
where look_ahead_type is type of baseclass */
|
where look_ahead_type is type of baseclass */
|
if (is_static)
|
if (is_static)
|
new_sublist->fn_field.voffset = VOFFSET_STATIC;
|
new_sublist->fn_field.voffset = VOFFSET_STATIC;
|
else /* normal member function. */
|
else /* normal member function. */
|
new_sublist->fn_field.voffset = 0;
|
new_sublist->fn_field.voffset = 0;
|
new_sublist->fn_field.fcontext = 0;
|
new_sublist->fn_field.fcontext = 0;
|
|
|
|
|
/* Prepare new sublist */
|
/* Prepare new sublist */
|
new_sublist->next = sublist;
|
new_sublist->next = sublist;
|
sublist = new_sublist;
|
sublist = new_sublist;
|
length++;
|
length++;
|
|
|
/* In g++, we loop thu sublists - now we set from functions. */
|
/* In g++, we loop thu sublists - now we set from functions. */
|
new_fnlist->fn_fieldlist.fn_fields = (struct fn_field *)
|
new_fnlist->fn_fieldlist.fn_fields = (struct fn_field *)
|
obstack_alloc (&objfile->type_obstack,
|
obstack_alloc (&objfile->type_obstack,
|
sizeof (struct fn_field) * length);
|
sizeof (struct fn_field) * length);
|
memset (new_fnlist->fn_fieldlist.fn_fields, 0,
|
memset (new_fnlist->fn_fieldlist.fn_fields, 0,
|
sizeof (struct fn_field) * length);
|
sizeof (struct fn_field) * length);
|
for (i = length; (i--, sublist); sublist = sublist->next)
|
for (i = length; (i--, sublist); sublist = sublist->next)
|
{
|
{
|
new_fnlist->fn_fieldlist.fn_fields[i] = sublist->fn_field;
|
new_fnlist->fn_fieldlist.fn_fields[i] = sublist->fn_field;
|
}
|
}
|
|
|
new_fnlist->fn_fieldlist.length = length;
|
new_fnlist->fn_fieldlist.length = length;
|
new_fnlist->next = fip->fnlist;
|
new_fnlist->next = fip->fnlist;
|
fip->fnlist = new_fnlist;
|
fip->fnlist = new_fnlist;
|
nfn_fields++;
|
nfn_fields++;
|
total_length += length;
|
total_length += length;
|
STABS_CONTINUE (pp, objfile); /* handle \\ */
|
STABS_CONTINUE (pp, objfile); /* handle \\ */
|
} /* end of loop */
|
} /* end of loop */
|
|
|
if (nfn_fields)
|
if (nfn_fields)
|
{
|
{
|
/* type should already have space */
|
/* type should already have space */
|
TYPE_FN_FIELDLISTS (type) = (struct fn_fieldlist *)
|
TYPE_FN_FIELDLISTS (type) = (struct fn_fieldlist *)
|
TYPE_ALLOC (type, sizeof (struct fn_fieldlist) * nfn_fields);
|
TYPE_ALLOC (type, sizeof (struct fn_fieldlist) * nfn_fields);
|
memset (TYPE_FN_FIELDLISTS (type), 0,
|
memset (TYPE_FN_FIELDLISTS (type), 0,
|
sizeof (struct fn_fieldlist) * nfn_fields);
|
sizeof (struct fn_fieldlist) * nfn_fields);
|
TYPE_NFN_FIELDS (type) = nfn_fields;
|
TYPE_NFN_FIELDS (type) = nfn_fields;
|
TYPE_NFN_FIELDS_TOTAL (type) = total_length;
|
TYPE_NFN_FIELDS_TOTAL (type) = total_length;
|
}
|
}
|
|
|
/* end of scope for reading member func */
|
/* end of scope for reading member func */
|
|
|
/* eg: ";;" */
|
/* eg: ";;" */
|
|
|
/* Skip trailing ';' and bump count of number of fields seen */
|
/* Skip trailing ';' and bump count of number of fields seen */
|
if (**pp == ';')
|
if (**pp == ';')
|
(*pp)++;
|
(*pp)++;
|
else
|
else
|
return 0;
|
return 0;
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/* This routine fixes up partial cfront types that were created
|
/* This routine fixes up partial cfront types that were created
|
while parsing the stabs. The main need for this function is
|
while parsing the stabs. The main need for this function is
|
to add information such as methods to classes.
|
to add information such as methods to classes.
|
Examples of "p": "sA;;__ct__1AFv foo__1AFv ;;;" */
|
Examples of "p": "sA;;__ct__1AFv foo__1AFv ;;;" */
|
int
|
int
|
resolve_cfront_continuation (objfile, sym, p)
|
resolve_cfront_continuation (objfile, sym, p)
|
struct objfile *objfile;
|
struct objfile *objfile;
|
struct symbol *sym;
|
struct symbol *sym;
|
char *p;
|
char *p;
|
{
|
{
|
struct symbol *ref_sym = 0;
|
struct symbol *ref_sym = 0;
|
char *sname;
|
char *sname;
|
/* snarfed from read_struct_type */
|
/* snarfed from read_struct_type */
|
struct field_info fi;
|
struct field_info fi;
|
struct type *type;
|
struct type *type;
|
struct cleanup *back_to;
|
struct cleanup *back_to;
|
|
|
/* Need to make sure that fi isn't gunna conflict with struct
|
/* Need to make sure that fi isn't gunna conflict with struct
|
in case struct already had some fnfs */
|
in case struct already had some fnfs */
|
fi.list = NULL;
|
fi.list = NULL;
|
fi.fnlist = NULL;
|
fi.fnlist = NULL;
|
back_to = make_cleanup (null_cleanup, 0);
|
back_to = make_cleanup (null_cleanup, 0);
|
|
|
/* We only accept structs, classes and unions at the moment.
|
/* We only accept structs, classes and unions at the moment.
|
Other continuation types include t (typedef), r (long dbl), ...
|
Other continuation types include t (typedef), r (long dbl), ...
|
We may want to add support for them as well;
|
We may want to add support for them as well;
|
right now they are handled by duplicating the symbol information
|
right now they are handled by duplicating the symbol information
|
into the type information (see define_symbol) */
|
into the type information (see define_symbol) */
|
if (*p != 's' /* structs */
|
if (*p != 's' /* structs */
|
&& *p != 'c' /* class */
|
&& *p != 'c' /* class */
|
&& *p != 'u') /* union */
|
&& *p != 'u') /* union */
|
return 0; /* only handle C++ types */
|
return 0; /* only handle C++ types */
|
p++;
|
p++;
|
|
|
/* Get symbol typs name and validate
|
/* Get symbol typs name and validate
|
eg: p = "A;;__ct__1AFv foo__1AFv ;;;" */
|
eg: p = "A;;__ct__1AFv foo__1AFv ;;;" */
|
sname = get_substring (&p, ';');
|
sname = get_substring (&p, ';');
|
if (!sname || strcmp (sname, SYMBOL_NAME (sym)))
|
if (!sname || strcmp (sname, SYMBOL_NAME (sym)))
|
error ("Internal error: base symbol type name does not match\n");
|
error ("Internal error: base symbol type name does not match\n");
|
|
|
/* Find symbol's internal gdb reference using demangled_name.
|
/* Find symbol's internal gdb reference using demangled_name.
|
This is the real sym that we want;
|
This is the real sym that we want;
|
sym was a temp hack to make debugger happy */
|
sym was a temp hack to make debugger happy */
|
ref_sym = lookup_symbol (SYMBOL_NAME (sym), 0, STRUCT_NAMESPACE, 0, 0);
|
ref_sym = lookup_symbol (SYMBOL_NAME (sym), 0, STRUCT_NAMESPACE, 0, 0);
|
type = SYMBOL_TYPE (ref_sym);
|
type = SYMBOL_TYPE (ref_sym);
|
|
|
|
|
/* Now read the baseclasses, if any, read the regular C struct or C++
|
/* Now read the baseclasses, if any, read the regular C struct or C++
|
class member fields, attach the fields to the type, read the C++
|
class member fields, attach the fields to the type, read the C++
|
member functions, attach them to the type, and then read any tilde
|
member functions, attach them to the type, and then read any tilde
|
field (baseclass specifier for the class holding the main vtable). */
|
field (baseclass specifier for the class holding the main vtable). */
|
|
|
if (!read_cfront_baseclasses (&fi, &p, type, objfile)
|
if (!read_cfront_baseclasses (&fi, &p, type, objfile)
|
/* g++ does this next, but cfront already did this:
|
/* g++ does this next, but cfront already did this:
|
|| !read_struct_fields (&fi, &p, type, objfile) */
|
|| !read_struct_fields (&fi, &p, type, objfile) */
|
|| !copy_cfront_struct_fields (&fi, type, objfile)
|
|| !copy_cfront_struct_fields (&fi, type, objfile)
|
|| !read_cfront_member_functions (&fi, &p, type, objfile)
|
|| !read_cfront_member_functions (&fi, &p, type, objfile)
|
|| !read_cfront_static_fields (&fi, &p, type, objfile)
|
|| !read_cfront_static_fields (&fi, &p, type, objfile)
|
|| !attach_fields_to_type (&fi, type, objfile)
|
|| !attach_fields_to_type (&fi, type, objfile)
|
|| !attach_fn_fields_to_type (&fi, type)
|
|| !attach_fn_fields_to_type (&fi, type)
|
/* g++ does this next, but cfront doesn't seem to have this:
|
/* g++ does this next, but cfront doesn't seem to have this:
|
|| !read_tilde_fields (&fi, &p, type, objfile) */
|
|| !read_tilde_fields (&fi, &p, type, objfile) */
|
)
|
)
|
{
|
{
|
type = error_type (&p, objfile);
|
type = error_type (&p, objfile);
|
}
|
}
|
|
|
do_cleanups (back_to);
|
do_cleanups (back_to);
|
return 0;
|
return 0;
|
}
|
}
|
/* End of code added to support parsing of ARM/Cfront stabs strings */
|
/* End of code added to support parsing of ARM/Cfront stabs strings */
|
|
|
|
|
/* This routine fixes up symbol references/aliases to point to the original
|
/* This routine fixes up symbol references/aliases to point to the original
|
symbol definition. Returns 0 on failure, non-zero on success. */
|
symbol definition. Returns 0 on failure, non-zero on success. */
|
|
|
static int
|
static int
|
resolve_symbol_reference (objfile, sym, p)
|
resolve_symbol_reference (objfile, sym, p)
|
struct objfile *objfile;
|
struct objfile *objfile;
|
struct symbol *sym;
|
struct symbol *sym;
|
char *p;
|
char *p;
|
{
|
{
|
int refnum;
|
int refnum;
|
struct symbol *ref_sym = 0;
|
struct symbol *ref_sym = 0;
|
struct alias_list *alias;
|
struct alias_list *alias;
|
|
|
/* If this is not a symbol reference return now. */
|
/* If this is not a symbol reference return now. */
|
if (*p != '#')
|
if (*p != '#')
|
return 0;
|
return 0;
|
|
|
/* Use "#<num>" as the name; we'll fix the name later.
|
/* Use "#<num>" as the name; we'll fix the name later.
|
We stored the original symbol name as "#<id>=<name>"
|
We stored the original symbol name as "#<id>=<name>"
|
so we can now search for "#<id>" to resolving the reference.
|
so we can now search for "#<id>" to resolving the reference.
|
We'll fix the names later by removing the "#<id>" or "#<id>=" */
|
We'll fix the names later by removing the "#<id>" or "#<id>=" */
|
|
|
/*---------------------------------------------------------*/
|
/*---------------------------------------------------------*/
|
/* Get the reference id number, and
|
/* Get the reference id number, and
|
advance p past the names so we can parse the rest.
|
advance p past the names so we can parse the rest.
|
eg: id=2 for p : "2=", "2=z:r(0,1)" "2:r(0,1);l(#5,#6),l(#7,#4)" */
|
eg: id=2 for p : "2=", "2=z:r(0,1)" "2:r(0,1);l(#5,#6),l(#7,#4)" */
|
/*---------------------------------------------------------*/
|
/*---------------------------------------------------------*/
|
|
|
/* This gets reference name from string. sym may not have a name. */
|
/* This gets reference name from string. sym may not have a name. */
|
|
|
/* Get the reference number associated with the reference id in the
|
/* Get the reference number associated with the reference id in the
|
gdb stab string. From that reference number, get the main/primary
|
gdb stab string. From that reference number, get the main/primary
|
symbol for this alias. */
|
symbol for this alias. */
|
refnum = process_reference (&p);
|
refnum = process_reference (&p);
|
ref_sym = ref_search (refnum);
|
ref_sym = ref_search (refnum);
|
if (!ref_sym)
|
if (!ref_sym)
|
{
|
{
|
complain (&lrs_general_complaint, "symbol for reference not found");
|
complain (&lrs_general_complaint, "symbol for reference not found");
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Parse the stab of the referencing symbol
|
/* Parse the stab of the referencing symbol
|
now that we have the referenced symbol.
|
now that we have the referenced symbol.
|
Add it as a new symbol and a link back to the referenced symbol.
|
Add it as a new symbol and a link back to the referenced symbol.
|
eg: p : "=", "=z:r(0,1)" ":r(0,1);l(#5,#6),l(#7,#4)" */
|
eg: p : "=", "=z:r(0,1)" ":r(0,1);l(#5,#6),l(#7,#4)" */
|
|
|
|
|
/* If the stab symbol table and string contain:
|
/* If the stab symbol table and string contain:
|
RSYM 0 5 00000000 868 #15=z:r(0,1)
|
RSYM 0 5 00000000 868 #15=z:r(0,1)
|
LBRAC 0 0 00000000 899 #5=
|
LBRAC 0 0 00000000 899 #5=
|
SLINE 0 16 00000003 923 #6=
|
SLINE 0 16 00000003 923 #6=
|
Then the same symbols can be later referenced by:
|
Then the same symbols can be later referenced by:
|
RSYM 0 5 00000000 927 #15:r(0,1);l(#5,#6)
|
RSYM 0 5 00000000 927 #15:r(0,1);l(#5,#6)
|
This is used in live range splitting to:
|
This is used in live range splitting to:
|
1) specify that a symbol (#15) is actually just a new storage
|
1) specify that a symbol (#15) is actually just a new storage
|
class for a symbol (#15=z) which was previously defined.
|
class for a symbol (#15=z) which was previously defined.
|
2) specify that the beginning and ending ranges for a symbol
|
2) specify that the beginning and ending ranges for a symbol
|
(#15) are the values of the beginning (#5) and ending (#6)
|
(#15) are the values of the beginning (#5) and ending (#6)
|
symbols. */
|
symbols. */
|
|
|
/* Read number as reference id.
|
/* Read number as reference id.
|
eg: p : "=", "=z:r(0,1)" ":r(0,1);l(#5,#6),l(#7,#4)" */
|
eg: p : "=", "=z:r(0,1)" ":r(0,1);l(#5,#6),l(#7,#4)" */
|
/* FIXME! Might I want to use SYMBOL_CLASS (sym) = LOC_OPTIMIZED_OUT;
|
/* FIXME! Might I want to use SYMBOL_CLASS (sym) = LOC_OPTIMIZED_OUT;
|
in case of "l(0,0)"? */
|
in case of "l(0,0)"? */
|
|
|
/*--------------------------------------------------*/
|
/*--------------------------------------------------*/
|
/* Add this symbol to the reference list. */
|
/* Add this symbol to the reference list. */
|
/*--------------------------------------------------*/
|
/*--------------------------------------------------*/
|
|
|
alias = (struct alias_list *) obstack_alloc (&objfile->type_obstack,
|
alias = (struct alias_list *) obstack_alloc (&objfile->type_obstack,
|
sizeof (struct alias_list));
|
sizeof (struct alias_list));
|
if (!alias)
|
if (!alias)
|
{
|
{
|
complain (&lrs_general_complaint, "Unable to allocate alias list memory");
|
complain (&lrs_general_complaint, "Unable to allocate alias list memory");
|
return 0;
|
return 0;
|
}
|
}
|
|
|
alias->next = 0;
|
alias->next = 0;
|
alias->sym = sym;
|
alias->sym = sym;
|
|
|
if (!SYMBOL_ALIASES (ref_sym))
|
if (!SYMBOL_ALIASES (ref_sym))
|
{
|
{
|
SYMBOL_ALIASES (ref_sym) = alias;
|
SYMBOL_ALIASES (ref_sym) = alias;
|
}
|
}
|
else
|
else
|
{
|
{
|
struct alias_list *temp;
|
struct alias_list *temp;
|
|
|
/* Get to the end of the list. */
|
/* Get to the end of the list. */
|
for (temp = SYMBOL_ALIASES (ref_sym);
|
for (temp = SYMBOL_ALIASES (ref_sym);
|
temp->next;
|
temp->next;
|
temp = temp->next)
|
temp = temp->next)
|
;
|
;
|
temp->next = alias;
|
temp->next = alias;
|
}
|
}
|
|
|
/* Want to fix up name so that other functions (eg. valops)
|
/* Want to fix up name so that other functions (eg. valops)
|
will correctly print the name.
|
will correctly print the name.
|
Don't add_symbol_to_list so that lookup_symbol won't find it.
|
Don't add_symbol_to_list so that lookup_symbol won't find it.
|
nope... needed for fixups. */
|
nope... needed for fixups. */
|
SYMBOL_NAME (sym) = SYMBOL_NAME (ref_sym);
|
SYMBOL_NAME (sym) = SYMBOL_NAME (ref_sym);
|
|
|
/* Done! */
|
/* Done! */
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/* Structure for storing pointers to reference definitions for fast lookup
|
/* Structure for storing pointers to reference definitions for fast lookup
|
during "process_later". */
|
during "process_later". */
|
|
|
struct ref_map
|
struct ref_map
|
{
|
{
|
char *stabs;
|
char *stabs;
|
CORE_ADDR value;
|
CORE_ADDR value;
|
struct symbol *sym;
|
struct symbol *sym;
|
};
|
};
|
|
|
#define MAX_CHUNK_REFS 100
|
#define MAX_CHUNK_REFS 100
|
#define REF_CHUNK_SIZE (MAX_CHUNK_REFS * sizeof (struct ref_map))
|
#define REF_CHUNK_SIZE (MAX_CHUNK_REFS * sizeof (struct ref_map))
|
#define REF_MAP_SIZE(ref_chunk) ((ref_chunk) * REF_CHUNK_SIZE)
|
#define REF_MAP_SIZE(ref_chunk) ((ref_chunk) * REF_CHUNK_SIZE)
|
|
|
static struct ref_map *ref_map;
|
static struct ref_map *ref_map;
|
|
|
/* Ptr to free cell in chunk's linked list. */
|
/* Ptr to free cell in chunk's linked list. */
|
static int ref_count = 0;
|
static int ref_count = 0;
|
|
|
/* Number of chunks malloced. */
|
/* Number of chunks malloced. */
|
static int ref_chunk = 0;
|
static int ref_chunk = 0;
|
|
|
/* This file maintains a cache of stabs aliases found in the symbol
|
/* This file maintains a cache of stabs aliases found in the symbol
|
table. If the symbol table changes, this cache must be cleared
|
table. If the symbol table changes, this cache must be cleared
|
or we are left holding onto data in invalid obstacks. */
|
or we are left holding onto data in invalid obstacks. */
|
void
|
void
|
stabsread_clear_cache ()
|
stabsread_clear_cache ()
|
{
|
{
|
ref_count = 0;
|
ref_count = 0;
|
ref_chunk = 0;
|
ref_chunk = 0;
|
}
|
}
|
|
|
/* Create array of pointers mapping refids to symbols and stab strings.
|
/* Create array of pointers mapping refids to symbols and stab strings.
|
Add pointers to reference definition symbols and/or their values as we
|
Add pointers to reference definition symbols and/or their values as we
|
find them, using their reference numbers as our index.
|
find them, using their reference numbers as our index.
|
These will be used later when we resolve references. */
|
These will be used later when we resolve references. */
|
void
|
void
|
ref_add (refnum, sym, stabs, value)
|
ref_add (refnum, sym, stabs, value)
|
int refnum;
|
int refnum;
|
struct symbol *sym;
|
struct symbol *sym;
|
char *stabs;
|
char *stabs;
|
CORE_ADDR value;
|
CORE_ADDR value;
|
{
|
{
|
if (ref_count == 0)
|
if (ref_count == 0)
|
ref_chunk = 0;
|
ref_chunk = 0;
|
if (refnum >= ref_count)
|
if (refnum >= ref_count)
|
ref_count = refnum + 1;
|
ref_count = refnum + 1;
|
if (ref_count > ref_chunk * MAX_CHUNK_REFS)
|
if (ref_count > ref_chunk * MAX_CHUNK_REFS)
|
{
|
{
|
int new_slots = ref_count - ref_chunk * MAX_CHUNK_REFS;
|
int new_slots = ref_count - ref_chunk * MAX_CHUNK_REFS;
|
int new_chunks = new_slots / MAX_CHUNK_REFS + 1;
|
int new_chunks = new_slots / MAX_CHUNK_REFS + 1;
|
ref_map = (struct ref_map *)
|
ref_map = (struct ref_map *)
|
xrealloc (ref_map, REF_MAP_SIZE (ref_chunk + new_chunks));
|
xrealloc (ref_map, REF_MAP_SIZE (ref_chunk + new_chunks));
|
memset (ref_map + ref_chunk * MAX_CHUNK_REFS, 0, new_chunks * REF_CHUNK_SIZE);
|
memset (ref_map + ref_chunk * MAX_CHUNK_REFS, 0, new_chunks * REF_CHUNK_SIZE);
|
ref_chunk += new_chunks;
|
ref_chunk += new_chunks;
|
}
|
}
|
ref_map[refnum].stabs = stabs;
|
ref_map[refnum].stabs = stabs;
|
ref_map[refnum].sym = sym;
|
ref_map[refnum].sym = sym;
|
ref_map[refnum].value = value;
|
ref_map[refnum].value = value;
|
}
|
}
|
|
|
/* Return defined sym for the reference REFNUM. */
|
/* Return defined sym for the reference REFNUM. */
|
struct symbol *
|
struct symbol *
|
ref_search (refnum)
|
ref_search (refnum)
|
int refnum;
|
int refnum;
|
{
|
{
|
if (refnum < 0 || refnum > ref_count)
|
if (refnum < 0 || refnum > ref_count)
|
return 0;
|
return 0;
|
return ref_map[refnum].sym;
|
return ref_map[refnum].sym;
|
}
|
}
|
|
|
/* Return value for the reference REFNUM. */
|
/* Return value for the reference REFNUM. */
|
|
|
static CORE_ADDR
|
static CORE_ADDR
|
ref_search_value (refnum)
|
ref_search_value (refnum)
|
int refnum;
|
int refnum;
|
{
|
{
|
if (refnum < 0 || refnum > ref_count)
|
if (refnum < 0 || refnum > ref_count)
|
return 0;
|
return 0;
|
return ref_map[refnum].value;
|
return ref_map[refnum].value;
|
}
|
}
|
|
|
/* Parse a reference id in STRING and return the resulting
|
/* Parse a reference id in STRING and return the resulting
|
reference number. Move STRING beyond the reference id. */
|
reference number. Move STRING beyond the reference id. */
|
|
|
static int
|
static int
|
process_reference (string)
|
process_reference (string)
|
char **string;
|
char **string;
|
{
|
{
|
char *p;
|
char *p;
|
int refnum = 0;
|
int refnum = 0;
|
|
|
if (**string != '#')
|
if (**string != '#')
|
return 0;
|
return 0;
|
|
|
/* Advance beyond the initial '#'. */
|
/* Advance beyond the initial '#'. */
|
p = *string + 1;
|
p = *string + 1;
|
|
|
/* Read number as reference id. */
|
/* Read number as reference id. */
|
while (*p && isdigit (*p))
|
while (*p && isdigit (*p))
|
{
|
{
|
refnum = refnum * 10 + *p - '0';
|
refnum = refnum * 10 + *p - '0';
|
p++;
|
p++;
|
}
|
}
|
*string = p;
|
*string = p;
|
return refnum;
|
return refnum;
|
}
|
}
|
|
|
/* If STRING defines a reference, store away a pointer to the reference
|
/* If STRING defines a reference, store away a pointer to the reference
|
definition for later use. Return the reference number. */
|
definition for later use. Return the reference number. */
|
|
|
int
|
int
|
symbol_reference_defined (string)
|
symbol_reference_defined (string)
|
char **string;
|
char **string;
|
{
|
{
|
char *p = *string;
|
char *p = *string;
|
int refnum = 0;
|
int refnum = 0;
|
|
|
refnum = process_reference (&p);
|
refnum = process_reference (&p);
|
|
|
/* Defining symbols end in '=' */
|
/* Defining symbols end in '=' */
|
if (*p == '=')
|
if (*p == '=')
|
{
|
{
|
/* Symbol is being defined here. */
|
/* Symbol is being defined here. */
|
*string = p + 1;
|
*string = p + 1;
|
return refnum;
|
return refnum;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Must be a reference. Either the symbol has already been defined,
|
/* Must be a reference. Either the symbol has already been defined,
|
or this is a forward reference to it. */
|
or this is a forward reference to it. */
|
*string = p;
|
*string = p;
|
return -1;
|
return -1;
|
}
|
}
|
}
|
}
|
|
|
/* ARGSUSED */
|
/* ARGSUSED */
|
struct symbol *
|
struct symbol *
|
define_symbol (valu, string, desc, type, objfile)
|
define_symbol (valu, string, desc, type, objfile)
|
CORE_ADDR valu;
|
CORE_ADDR valu;
|
char *string;
|
char *string;
|
int desc;
|
int desc;
|
int type;
|
int type;
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
register struct symbol *sym;
|
register struct symbol *sym;
|
char *p = (char *) strchr (string, ':');
|
char *p = (char *) strchr (string, ':');
|
int deftype;
|
int deftype;
|
int synonym = 0;
|
int synonym = 0;
|
register int i;
|
register int i;
|
|
|
/* We would like to eliminate nameless symbols, but keep their types.
|
/* We would like to eliminate nameless symbols, but keep their types.
|
E.g. stab entry ":t10=*2" should produce a type 10, which is a pointer
|
E.g. stab entry ":t10=*2" should produce a type 10, which is a pointer
|
to type 2, but, should not create a symbol to address that type. Since
|
to type 2, but, should not create a symbol to address that type. Since
|
the symbol will be nameless, there is no way any user can refer to it. */
|
the symbol will be nameless, there is no way any user can refer to it. */
|
|
|
int nameless;
|
int nameless;
|
|
|
/* Ignore syms with empty names. */
|
/* Ignore syms with empty names. */
|
if (string[0] == 0)
|
if (string[0] == 0)
|
return 0;
|
return 0;
|
|
|
/* Ignore old-style symbols from cc -go */
|
/* Ignore old-style symbols from cc -go */
|
if (p == 0)
|
if (p == 0)
|
return 0;
|
return 0;
|
|
|
while (p[1] == ':')
|
while (p[1] == ':')
|
{
|
{
|
p += 2;
|
p += 2;
|
p = strchr (p, ':');
|
p = strchr (p, ':');
|
}
|
}
|
|
|
/* If a nameless stab entry, all we need is the type, not the symbol.
|
/* If a nameless stab entry, all we need is the type, not the symbol.
|
e.g. ":t10=*2" or a nameless enum like " :T16=ered:0,green:1,blue:2,;" */
|
e.g. ":t10=*2" or a nameless enum like " :T16=ered:0,green:1,blue:2,;" */
|
nameless = (p == string || ((string[0] == ' ') && (string[1] == ':')));
|
nameless = (p == string || ((string[0] == ' ') && (string[1] == ':')));
|
|
|
current_symbol = sym = (struct symbol *)
|
current_symbol = sym = (struct symbol *)
|
obstack_alloc (&objfile->symbol_obstack, sizeof (struct symbol));
|
obstack_alloc (&objfile->symbol_obstack, sizeof (struct symbol));
|
memset (sym, 0, sizeof (struct symbol));
|
memset (sym, 0, sizeof (struct symbol));
|
|
|
switch (type & N_TYPE)
|
switch (type & N_TYPE)
|
{
|
{
|
case N_TEXT:
|
case N_TEXT:
|
SYMBOL_SECTION (sym) = SECT_OFF_TEXT;
|
SYMBOL_SECTION (sym) = SECT_OFF_TEXT;
|
break;
|
break;
|
case N_DATA:
|
case N_DATA:
|
SYMBOL_SECTION (sym) = SECT_OFF_DATA;
|
SYMBOL_SECTION (sym) = SECT_OFF_DATA;
|
break;
|
break;
|
case N_BSS:
|
case N_BSS:
|
SYMBOL_SECTION (sym) = SECT_OFF_BSS;
|
SYMBOL_SECTION (sym) = SECT_OFF_BSS;
|
break;
|
break;
|
}
|
}
|
|
|
if (processing_gcc_compilation)
|
if (processing_gcc_compilation)
|
{
|
{
|
/* GCC 2.x puts the line number in desc. SunOS apparently puts in the
|
/* GCC 2.x puts the line number in desc. SunOS apparently puts in the
|
number of bytes occupied by a type or object, which we ignore. */
|
number of bytes occupied by a type or object, which we ignore. */
|
SYMBOL_LINE (sym) = desc;
|
SYMBOL_LINE (sym) = desc;
|
}
|
}
|
else
|
else
|
{
|
{
|
SYMBOL_LINE (sym) = 0; /* unknown */
|
SYMBOL_LINE (sym) = 0; /* unknown */
|
}
|
}
|
|
|
if (is_cplus_marker (string[0]))
|
if (is_cplus_marker (string[0]))
|
{
|
{
|
/* Special GNU C++ names. */
|
/* Special GNU C++ names. */
|
switch (string[1])
|
switch (string[1])
|
{
|
{
|
case 't':
|
case 't':
|
SYMBOL_NAME (sym) = obsavestring ("this", strlen ("this"),
|
SYMBOL_NAME (sym) = obsavestring ("this", strlen ("this"),
|
&objfile->symbol_obstack);
|
&objfile->symbol_obstack);
|
break;
|
break;
|
|
|
case 'v': /* $vtbl_ptr_type */
|
case 'v': /* $vtbl_ptr_type */
|
/* Was: SYMBOL_NAME (sym) = "vptr"; */
|
/* Was: SYMBOL_NAME (sym) = "vptr"; */
|
goto normal;
|
goto normal;
|
|
|
case 'e':
|
case 'e':
|
SYMBOL_NAME (sym) = obsavestring ("eh_throw", strlen ("eh_throw"),
|
SYMBOL_NAME (sym) = obsavestring ("eh_throw", strlen ("eh_throw"),
|
&objfile->symbol_obstack);
|
&objfile->symbol_obstack);
|
break;
|
break;
|
|
|
case '_':
|
case '_':
|
/* This was an anonymous type that was never fixed up. */
|
/* This was an anonymous type that was never fixed up. */
|
goto normal;
|
goto normal;
|
|
|
#ifdef STATIC_TRANSFORM_NAME
|
#ifdef STATIC_TRANSFORM_NAME
|
case 'X':
|
case 'X':
|
/* SunPRO (3.0 at least) static variable encoding. */
|
/* SunPRO (3.0 at least) static variable encoding. */
|
goto normal;
|
goto normal;
|
#endif
|
#endif
|
|
|
default:
|
default:
|
complain (&unrecognized_cplus_name_complaint, string);
|
complain (&unrecognized_cplus_name_complaint, string);
|
goto normal; /* Do *something* with it */
|
goto normal; /* Do *something* with it */
|
}
|
}
|
}
|
}
|
else if (string[0] == '#')
|
else if (string[0] == '#')
|
{
|
{
|
/* Special GNU C extension for referencing symbols. */
|
/* Special GNU C extension for referencing symbols. */
|
char *s;
|
char *s;
|
int refnum, nlen;
|
int refnum, nlen;
|
|
|
/* If STRING defines a new reference id, then add it to the
|
/* If STRING defines a new reference id, then add it to the
|
reference map. Else it must be referring to a previously
|
reference map. Else it must be referring to a previously
|
defined symbol, so add it to the alias list of the previously
|
defined symbol, so add it to the alias list of the previously
|
defined symbol. */
|
defined symbol. */
|
s = string;
|
s = string;
|
refnum = symbol_reference_defined (&s);
|
refnum = symbol_reference_defined (&s);
|
if (refnum >= 0)
|
if (refnum >= 0)
|
ref_add (refnum, sym, string, SYMBOL_VALUE (sym));
|
ref_add (refnum, sym, string, SYMBOL_VALUE (sym));
|
else if (!resolve_symbol_reference (objfile, sym, string))
|
else if (!resolve_symbol_reference (objfile, sym, string))
|
return NULL;
|
return NULL;
|
|
|
/* S..P contains the name of the symbol. We need to store
|
/* S..P contains the name of the symbol. We need to store
|
the correct name into SYMBOL_NAME. */
|
the correct name into SYMBOL_NAME. */
|
nlen = p - s;
|
nlen = p - s;
|
if (refnum >= 0)
|
if (refnum >= 0)
|
{
|
{
|
if (nlen > 0)
|
if (nlen > 0)
|
{
|
{
|
SYMBOL_NAME (sym) = (char *)
|
SYMBOL_NAME (sym) = (char *)
|
obstack_alloc (&objfile->symbol_obstack, nlen);
|
obstack_alloc (&objfile->symbol_obstack, nlen);
|
strncpy (SYMBOL_NAME (sym), s, nlen);
|
strncpy (SYMBOL_NAME (sym), s, nlen);
|
SYMBOL_NAME (sym)[nlen] = '\0';
|
SYMBOL_NAME (sym)[nlen] = '\0';
|
SYMBOL_INIT_DEMANGLED_NAME (sym, &objfile->symbol_obstack);
|
SYMBOL_INIT_DEMANGLED_NAME (sym, &objfile->symbol_obstack);
|
}
|
}
|
else
|
else
|
/* FIXME! Want SYMBOL_NAME (sym) = 0;
|
/* FIXME! Want SYMBOL_NAME (sym) = 0;
|
Get error if leave name 0. So give it something. */
|
Get error if leave name 0. So give it something. */
|
{
|
{
|
nlen = p - string;
|
nlen = p - string;
|
SYMBOL_NAME (sym) = (char *)
|
SYMBOL_NAME (sym) = (char *)
|
obstack_alloc (&objfile->symbol_obstack, nlen);
|
obstack_alloc (&objfile->symbol_obstack, nlen);
|
strncpy (SYMBOL_NAME (sym), string, nlen);
|
strncpy (SYMBOL_NAME (sym), string, nlen);
|
SYMBOL_NAME (sym)[nlen] = '\0';
|
SYMBOL_NAME (sym)[nlen] = '\0';
|
SYMBOL_INIT_DEMANGLED_NAME (sym, &objfile->symbol_obstack);
|
SYMBOL_INIT_DEMANGLED_NAME (sym, &objfile->symbol_obstack);
|
}
|
}
|
}
|
}
|
/* Advance STRING beyond the reference id. */
|
/* Advance STRING beyond the reference id. */
|
string = s;
|
string = s;
|
}
|
}
|
else
|
else
|
{
|
{
|
normal:
|
normal:
|
SYMBOL_LANGUAGE (sym) = current_subfile->language;
|
SYMBOL_LANGUAGE (sym) = current_subfile->language;
|
SYMBOL_NAME (sym) = (char *)
|
SYMBOL_NAME (sym) = (char *)
|
obstack_alloc (&objfile->symbol_obstack, ((p - string) + 1));
|
obstack_alloc (&objfile->symbol_obstack, ((p - string) + 1));
|
/* Open-coded memcpy--saves function call time. */
|
/* Open-coded memcpy--saves function call time. */
|
/* FIXME: Does it really? Try replacing with simple strcpy and
|
/* FIXME: Does it really? Try replacing with simple strcpy and
|
try it on an executable with a large symbol table. */
|
try it on an executable with a large symbol table. */
|
/* FIXME: considering that gcc can open code memcpy anyway, I
|
/* FIXME: considering that gcc can open code memcpy anyway, I
|
doubt it. xoxorich. */
|
doubt it. xoxorich. */
|
{
|
{
|
register char *p1 = string;
|
register char *p1 = string;
|
register char *p2 = SYMBOL_NAME (sym);
|
register char *p2 = SYMBOL_NAME (sym);
|
while (p1 != p)
|
while (p1 != p)
|
{
|
{
|
*p2++ = *p1++;
|
*p2++ = *p1++;
|
}
|
}
|
*p2++ = '\0';
|
*p2++ = '\0';
|
}
|
}
|
|
|
/* If this symbol is from a C++ compilation, then attempt to cache the
|
/* If this symbol is from a C++ compilation, then attempt to cache the
|
demangled form for future reference. This is a typical time versus
|
demangled form for future reference. This is a typical time versus
|
space tradeoff, that was decided in favor of time because it sped up
|
space tradeoff, that was decided in favor of time because it sped up
|
C++ symbol lookups by a factor of about 20. */
|
C++ symbol lookups by a factor of about 20. */
|
|
|
SYMBOL_INIT_DEMANGLED_NAME (sym, &objfile->symbol_obstack);
|
SYMBOL_INIT_DEMANGLED_NAME (sym, &objfile->symbol_obstack);
|
}
|
}
|
p++;
|
p++;
|
|
|
/* Determine the type of name being defined. */
|
/* Determine the type of name being defined. */
|
#if 0
|
#if 0
|
/* Getting GDB to correctly skip the symbol on an undefined symbol
|
/* Getting GDB to correctly skip the symbol on an undefined symbol
|
descriptor and not ever dump core is a very dodgy proposition if
|
descriptor and not ever dump core is a very dodgy proposition if
|
we do things this way. I say the acorn RISC machine can just
|
we do things this way. I say the acorn RISC machine can just
|
fix their compiler. */
|
fix their compiler. */
|
/* The Acorn RISC machine's compiler can put out locals that don't
|
/* The Acorn RISC machine's compiler can put out locals that don't
|
start with "234=" or "(3,4)=", so assume anything other than the
|
start with "234=" or "(3,4)=", so assume anything other than the
|
deftypes we know how to handle is a local. */
|
deftypes we know how to handle is a local. */
|
if (!strchr ("cfFGpPrStTvVXCR", *p))
|
if (!strchr ("cfFGpPrStTvVXCR", *p))
|
#else
|
#else
|
if (isdigit (*p) || *p == '(' || *p == '-')
|
if (isdigit (*p) || *p == '(' || *p == '-')
|
#endif
|
#endif
|
deftype = 'l';
|
deftype = 'l';
|
else
|
else
|
deftype = *p++;
|
deftype = *p++;
|
|
|
switch (deftype)
|
switch (deftype)
|
{
|
{
|
case 'c':
|
case 'c':
|
/* c is a special case, not followed by a type-number.
|
/* c is a special case, not followed by a type-number.
|
SYMBOL:c=iVALUE for an integer constant symbol.
|
SYMBOL:c=iVALUE for an integer constant symbol.
|
SYMBOL:c=rVALUE for a floating constant symbol.
|
SYMBOL:c=rVALUE for a floating constant symbol.
|
SYMBOL:c=eTYPE,INTVALUE for an enum constant symbol.
|
SYMBOL:c=eTYPE,INTVALUE for an enum constant symbol.
|
e.g. "b:c=e6,0" for "const b = blob1"
|
e.g. "b:c=e6,0" for "const b = blob1"
|
(where type 6 is defined by "blobs:t6=eblob1:0,blob2:1,;"). */
|
(where type 6 is defined by "blobs:t6=eblob1:0,blob2:1,;"). */
|
if (*p != '=')
|
if (*p != '=')
|
{
|
{
|
SYMBOL_CLASS (sym) = LOC_CONST;
|
SYMBOL_CLASS (sym) = LOC_CONST;
|
SYMBOL_TYPE (sym) = error_type (&p, objfile);
|
SYMBOL_TYPE (sym) = error_type (&p, objfile);
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
add_symbol_to_list (sym, &file_symbols);
|
add_symbol_to_list (sym, &file_symbols);
|
return sym;
|
return sym;
|
}
|
}
|
++p;
|
++p;
|
switch (*p++)
|
switch (*p++)
|
{
|
{
|
case 'r':
|
case 'r':
|
{
|
{
|
double d = atof (p);
|
double d = atof (p);
|
char *dbl_valu;
|
char *dbl_valu;
|
|
|
/* FIXME-if-picky-about-floating-accuracy: Should be using
|
/* FIXME-if-picky-about-floating-accuracy: Should be using
|
target arithmetic to get the value. real.c in GCC
|
target arithmetic to get the value. real.c in GCC
|
probably has the necessary code. */
|
probably has the necessary code. */
|
|
|
/* FIXME: lookup_fundamental_type is a hack. We should be
|
/* FIXME: lookup_fundamental_type is a hack. We should be
|
creating a type especially for the type of float constants.
|
creating a type especially for the type of float constants.
|
Problem is, what type should it be?
|
Problem is, what type should it be?
|
|
|
Also, what should the name of this type be? Should we
|
Also, what should the name of this type be? Should we
|
be using 'S' constants (see stabs.texinfo) instead? */
|
be using 'S' constants (see stabs.texinfo) instead? */
|
|
|
SYMBOL_TYPE (sym) = lookup_fundamental_type (objfile,
|
SYMBOL_TYPE (sym) = lookup_fundamental_type (objfile,
|
FT_DBL_PREC_FLOAT);
|
FT_DBL_PREC_FLOAT);
|
dbl_valu = (char *)
|
dbl_valu = (char *)
|
obstack_alloc (&objfile->symbol_obstack,
|
obstack_alloc (&objfile->symbol_obstack,
|
TYPE_LENGTH (SYMBOL_TYPE (sym)));
|
TYPE_LENGTH (SYMBOL_TYPE (sym)));
|
store_floating (dbl_valu, TYPE_LENGTH (SYMBOL_TYPE (sym)), d);
|
store_floating (dbl_valu, TYPE_LENGTH (SYMBOL_TYPE (sym)), d);
|
SYMBOL_VALUE_BYTES (sym) = dbl_valu;
|
SYMBOL_VALUE_BYTES (sym) = dbl_valu;
|
SYMBOL_CLASS (sym) = LOC_CONST_BYTES;
|
SYMBOL_CLASS (sym) = LOC_CONST_BYTES;
|
}
|
}
|
break;
|
break;
|
case 'i':
|
case 'i':
|
{
|
{
|
/* Defining integer constants this way is kind of silly,
|
/* Defining integer constants this way is kind of silly,
|
since 'e' constants allows the compiler to give not
|
since 'e' constants allows the compiler to give not
|
only the value, but the type as well. C has at least
|
only the value, but the type as well. C has at least
|
int, long, unsigned int, and long long as constant
|
int, long, unsigned int, and long long as constant
|
types; other languages probably should have at least
|
types; other languages probably should have at least
|
unsigned as well as signed constants. */
|
unsigned as well as signed constants. */
|
|
|
/* We just need one int constant type for all objfiles.
|
/* We just need one int constant type for all objfiles.
|
It doesn't depend on languages or anything (arguably its
|
It doesn't depend on languages or anything (arguably its
|
name should be a language-specific name for a type of
|
name should be a language-specific name for a type of
|
that size, but I'm inclined to say that if the compiler
|
that size, but I'm inclined to say that if the compiler
|
wants a nice name for the type, it can use 'e'). */
|
wants a nice name for the type, it can use 'e'). */
|
static struct type *int_const_type;
|
static struct type *int_const_type;
|
|
|
/* Yes, this is as long as a *host* int. That is because we
|
/* Yes, this is as long as a *host* int. That is because we
|
use atoi. */
|
use atoi. */
|
if (int_const_type == NULL)
|
if (int_const_type == NULL)
|
int_const_type =
|
int_const_type =
|
init_type (TYPE_CODE_INT,
|
init_type (TYPE_CODE_INT,
|
sizeof (int) * HOST_CHAR_BIT / TARGET_CHAR_BIT, 0,
|
sizeof (int) * HOST_CHAR_BIT / TARGET_CHAR_BIT, 0,
|
"integer constant",
|
"integer constant",
|
(struct objfile *) NULL);
|
(struct objfile *) NULL);
|
SYMBOL_TYPE (sym) = int_const_type;
|
SYMBOL_TYPE (sym) = int_const_type;
|
SYMBOL_VALUE (sym) = atoi (p);
|
SYMBOL_VALUE (sym) = atoi (p);
|
SYMBOL_CLASS (sym) = LOC_CONST;
|
SYMBOL_CLASS (sym) = LOC_CONST;
|
}
|
}
|
break;
|
break;
|
case 'e':
|
case 'e':
|
/* SYMBOL:c=eTYPE,INTVALUE for a constant symbol whose value
|
/* SYMBOL:c=eTYPE,INTVALUE for a constant symbol whose value
|
can be represented as integral.
|
can be represented as integral.
|
e.g. "b:c=e6,0" for "const b = blob1"
|
e.g. "b:c=e6,0" for "const b = blob1"
|
(where type 6 is defined by "blobs:t6=eblob1:0,blob2:1,;"). */
|
(where type 6 is defined by "blobs:t6=eblob1:0,blob2:1,;"). */
|
{
|
{
|
SYMBOL_CLASS (sym) = LOC_CONST;
|
SYMBOL_CLASS (sym) = LOC_CONST;
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
|
|
if (*p != ',')
|
if (*p != ',')
|
{
|
{
|
SYMBOL_TYPE (sym) = error_type (&p, objfile);
|
SYMBOL_TYPE (sym) = error_type (&p, objfile);
|
break;
|
break;
|
}
|
}
|
++p;
|
++p;
|
|
|
/* If the value is too big to fit in an int (perhaps because
|
/* If the value is too big to fit in an int (perhaps because
|
it is unsigned), or something like that, we silently get
|
it is unsigned), or something like that, we silently get
|
a bogus value. The type and everything else about it is
|
a bogus value. The type and everything else about it is
|
correct. Ideally, we should be using whatever we have
|
correct. Ideally, we should be using whatever we have
|
available for parsing unsigned and long long values,
|
available for parsing unsigned and long long values,
|
however. */
|
however. */
|
SYMBOL_VALUE (sym) = atoi (p);
|
SYMBOL_VALUE (sym) = atoi (p);
|
}
|
}
|
break;
|
break;
|
default:
|
default:
|
{
|
{
|
SYMBOL_CLASS (sym) = LOC_CONST;
|
SYMBOL_CLASS (sym) = LOC_CONST;
|
SYMBOL_TYPE (sym) = error_type (&p, objfile);
|
SYMBOL_TYPE (sym) = error_type (&p, objfile);
|
}
|
}
|
}
|
}
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
add_symbol_to_list (sym, &file_symbols);
|
add_symbol_to_list (sym, &file_symbols);
|
return sym;
|
return sym;
|
|
|
case 'C':
|
case 'C':
|
/* The name of a caught exception. */
|
/* The name of a caught exception. */
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
SYMBOL_CLASS (sym) = LOC_LABEL;
|
SYMBOL_CLASS (sym) = LOC_LABEL;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
SYMBOL_VALUE_ADDRESS (sym) = valu;
|
SYMBOL_VALUE_ADDRESS (sym) = valu;
|
add_symbol_to_list (sym, &local_symbols);
|
add_symbol_to_list (sym, &local_symbols);
|
break;
|
break;
|
|
|
case 'f':
|
case 'f':
|
/* A static function definition. */
|
/* A static function definition. */
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
SYMBOL_CLASS (sym) = LOC_BLOCK;
|
SYMBOL_CLASS (sym) = LOC_BLOCK;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
add_symbol_to_list (sym, &file_symbols);
|
add_symbol_to_list (sym, &file_symbols);
|
/* fall into process_function_types. */
|
/* fall into process_function_types. */
|
|
|
process_function_types:
|
process_function_types:
|
/* Function result types are described as the result type in stabs.
|
/* Function result types are described as the result type in stabs.
|
We need to convert this to the function-returning-type-X type
|
We need to convert this to the function-returning-type-X type
|
in GDB. E.g. "int" is converted to "function returning int". */
|
in GDB. E.g. "int" is converted to "function returning int". */
|
if (TYPE_CODE (SYMBOL_TYPE (sym)) != TYPE_CODE_FUNC)
|
if (TYPE_CODE (SYMBOL_TYPE (sym)) != TYPE_CODE_FUNC)
|
SYMBOL_TYPE (sym) = lookup_function_type (SYMBOL_TYPE (sym));
|
SYMBOL_TYPE (sym) = lookup_function_type (SYMBOL_TYPE (sym));
|
|
|
/* All functions in C++ have prototypes. */
|
/* All functions in C++ have prototypes. */
|
if (SYMBOL_LANGUAGE (sym) == language_cplus)
|
if (SYMBOL_LANGUAGE (sym) == language_cplus)
|
TYPE_FLAGS (SYMBOL_TYPE (sym)) |= TYPE_FLAG_PROTOTYPED;
|
TYPE_FLAGS (SYMBOL_TYPE (sym)) |= TYPE_FLAG_PROTOTYPED;
|
|
|
/* fall into process_prototype_types */
|
/* fall into process_prototype_types */
|
|
|
process_prototype_types:
|
process_prototype_types:
|
/* Sun acc puts declared types of arguments here. */
|
/* Sun acc puts declared types of arguments here. */
|
if (*p == ';')
|
if (*p == ';')
|
{
|
{
|
struct type *ftype = SYMBOL_TYPE (sym);
|
struct type *ftype = SYMBOL_TYPE (sym);
|
int nsemi = 0;
|
int nsemi = 0;
|
int nparams = 0;
|
int nparams = 0;
|
char *p1 = p;
|
char *p1 = p;
|
|
|
/* Obtain a worst case guess for the number of arguments
|
/* Obtain a worst case guess for the number of arguments
|
by counting the semicolons. */
|
by counting the semicolons. */
|
while (*p1)
|
while (*p1)
|
{
|
{
|
if (*p1++ == ';')
|
if (*p1++ == ';')
|
nsemi++;
|
nsemi++;
|
}
|
}
|
|
|
/* Allocate parameter information fields and fill them in. */
|
/* Allocate parameter information fields and fill them in. */
|
TYPE_FIELDS (ftype) = (struct field *)
|
TYPE_FIELDS (ftype) = (struct field *)
|
TYPE_ALLOC (ftype, nsemi * sizeof (struct field));
|
TYPE_ALLOC (ftype, nsemi * sizeof (struct field));
|
while (*p++ == ';')
|
while (*p++ == ';')
|
{
|
{
|
struct type *ptype;
|
struct type *ptype;
|
|
|
/* A type number of zero indicates the start of varargs.
|
/* A type number of zero indicates the start of varargs.
|
FIXME: GDB currently ignores vararg functions. */
|
FIXME: GDB currently ignores vararg functions. */
|
if (p[0] == '0' && p[1] == '\0')
|
if (p[0] == '0' && p[1] == '\0')
|
break;
|
break;
|
ptype = read_type (&p, objfile);
|
ptype = read_type (&p, objfile);
|
|
|
/* The Sun compilers mark integer arguments, which should
|
/* The Sun compilers mark integer arguments, which should
|
be promoted to the width of the calling conventions, with
|
be promoted to the width of the calling conventions, with
|
a type which references itself. This type is turned into
|
a type which references itself. This type is turned into
|
a TYPE_CODE_VOID type by read_type, and we have to turn
|
a TYPE_CODE_VOID type by read_type, and we have to turn
|
it back into builtin_type_int here.
|
it back into builtin_type_int here.
|
FIXME: Do we need a new builtin_type_promoted_int_arg ? */
|
FIXME: Do we need a new builtin_type_promoted_int_arg ? */
|
if (TYPE_CODE (ptype) == TYPE_CODE_VOID)
|
if (TYPE_CODE (ptype) == TYPE_CODE_VOID)
|
ptype = builtin_type_int;
|
ptype = builtin_type_int;
|
TYPE_FIELD_TYPE (ftype, nparams++) = ptype;
|
TYPE_FIELD_TYPE (ftype, nparams++) = ptype;
|
}
|
}
|
TYPE_NFIELDS (ftype) = nparams;
|
TYPE_NFIELDS (ftype) = nparams;
|
TYPE_FLAGS (ftype) |= TYPE_FLAG_PROTOTYPED;
|
TYPE_FLAGS (ftype) |= TYPE_FLAG_PROTOTYPED;
|
}
|
}
|
break;
|
break;
|
|
|
case 'F':
|
case 'F':
|
/* A global function definition. */
|
/* A global function definition. */
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
SYMBOL_CLASS (sym) = LOC_BLOCK;
|
SYMBOL_CLASS (sym) = LOC_BLOCK;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
add_symbol_to_list (sym, &global_symbols);
|
add_symbol_to_list (sym, &global_symbols);
|
goto process_function_types;
|
goto process_function_types;
|
|
|
case 'G':
|
case 'G':
|
/* For a class G (global) symbol, it appears that the
|
/* For a class G (global) symbol, it appears that the
|
value is not correct. It is necessary to search for the
|
value is not correct. It is necessary to search for the
|
corresponding linker definition to find the value.
|
corresponding linker definition to find the value.
|
These definitions appear at the end of the namelist. */
|
These definitions appear at the end of the namelist. */
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
SYMBOL_CLASS (sym) = LOC_STATIC;
|
SYMBOL_CLASS (sym) = LOC_STATIC;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
/* Don't add symbol references to global_sym_chain.
|
/* Don't add symbol references to global_sym_chain.
|
Symbol references don't have valid names and wont't match up with
|
Symbol references don't have valid names and wont't match up with
|
minimal symbols when the global_sym_chain is relocated.
|
minimal symbols when the global_sym_chain is relocated.
|
We'll fixup symbol references when we fixup the defining symbol. */
|
We'll fixup symbol references when we fixup the defining symbol. */
|
if (SYMBOL_NAME (sym) && SYMBOL_NAME (sym)[0] != '#')
|
if (SYMBOL_NAME (sym) && SYMBOL_NAME (sym)[0] != '#')
|
{
|
{
|
i = hashname (SYMBOL_NAME (sym));
|
i = hashname (SYMBOL_NAME (sym));
|
SYMBOL_VALUE_CHAIN (sym) = global_sym_chain[i];
|
SYMBOL_VALUE_CHAIN (sym) = global_sym_chain[i];
|
global_sym_chain[i] = sym;
|
global_sym_chain[i] = sym;
|
}
|
}
|
add_symbol_to_list (sym, &global_symbols);
|
add_symbol_to_list (sym, &global_symbols);
|
break;
|
break;
|
|
|
/* This case is faked by a conditional above,
|
/* This case is faked by a conditional above,
|
when there is no code letter in the dbx data.
|
when there is no code letter in the dbx data.
|
Dbx data never actually contains 'l'. */
|
Dbx data never actually contains 'l'. */
|
case 's':
|
case 's':
|
case 'l':
|
case 'l':
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
SYMBOL_CLASS (sym) = LOC_LOCAL;
|
SYMBOL_CLASS (sym) = LOC_LOCAL;
|
SYMBOL_VALUE (sym) = valu;
|
SYMBOL_VALUE (sym) = valu;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
add_symbol_to_list (sym, &local_symbols);
|
add_symbol_to_list (sym, &local_symbols);
|
break;
|
break;
|
|
|
case 'p':
|
case 'p':
|
if (*p == 'F')
|
if (*p == 'F')
|
/* pF is a two-letter code that means a function parameter in Fortran.
|
/* pF is a two-letter code that means a function parameter in Fortran.
|
The type-number specifies the type of the return value.
|
The type-number specifies the type of the return value.
|
Translate it into a pointer-to-function type. */
|
Translate it into a pointer-to-function type. */
|
{
|
{
|
p++;
|
p++;
|
SYMBOL_TYPE (sym)
|
SYMBOL_TYPE (sym)
|
= lookup_pointer_type
|
= lookup_pointer_type
|
(lookup_function_type (read_type (&p, objfile)));
|
(lookup_function_type (read_type (&p, objfile)));
|
}
|
}
|
else
|
else
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
|
|
/* Normally this is a parameter, a LOC_ARG. On the i960, it
|
/* Normally this is a parameter, a LOC_ARG. On the i960, it
|
can also be a LOC_LOCAL_ARG depending on symbol type. */
|
can also be a LOC_LOCAL_ARG depending on symbol type. */
|
#ifndef DBX_PARM_SYMBOL_CLASS
|
#ifndef DBX_PARM_SYMBOL_CLASS
|
#define DBX_PARM_SYMBOL_CLASS(type) LOC_ARG
|
#define DBX_PARM_SYMBOL_CLASS(type) LOC_ARG
|
#endif
|
#endif
|
|
|
SYMBOL_CLASS (sym) = DBX_PARM_SYMBOL_CLASS (type);
|
SYMBOL_CLASS (sym) = DBX_PARM_SYMBOL_CLASS (type);
|
SYMBOL_VALUE (sym) = valu;
|
SYMBOL_VALUE (sym) = valu;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
add_symbol_to_list (sym, &local_symbols);
|
add_symbol_to_list (sym, &local_symbols);
|
|
|
if (TARGET_BYTE_ORDER != BIG_ENDIAN)
|
if (TARGET_BYTE_ORDER != BIG_ENDIAN)
|
{
|
{
|
/* On little-endian machines, this crud is never necessary,
|
/* On little-endian machines, this crud is never necessary,
|
and, if the extra bytes contain garbage, is harmful. */
|
and, if the extra bytes contain garbage, is harmful. */
|
break;
|
break;
|
}
|
}
|
|
|
/* If it's gcc-compiled, if it says `short', believe it. */
|
/* If it's gcc-compiled, if it says `short', believe it. */
|
if (processing_gcc_compilation || BELIEVE_PCC_PROMOTION)
|
if (processing_gcc_compilation || BELIEVE_PCC_PROMOTION)
|
break;
|
break;
|
|
|
if (!BELIEVE_PCC_PROMOTION)
|
if (!BELIEVE_PCC_PROMOTION)
|
{
|
{
|
/* This is the signed type which arguments get promoted to. */
|
/* This is the signed type which arguments get promoted to. */
|
static struct type *pcc_promotion_type;
|
static struct type *pcc_promotion_type;
|
/* This is the unsigned type which arguments get promoted to. */
|
/* This is the unsigned type which arguments get promoted to. */
|
static struct type *pcc_unsigned_promotion_type;
|
static struct type *pcc_unsigned_promotion_type;
|
|
|
/* Call it "int" because this is mainly C lossage. */
|
/* Call it "int" because this is mainly C lossage. */
|
if (pcc_promotion_type == NULL)
|
if (pcc_promotion_type == NULL)
|
pcc_promotion_type =
|
pcc_promotion_type =
|
init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT,
|
init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT,
|
0, "int", NULL);
|
0, "int", NULL);
|
|
|
if (pcc_unsigned_promotion_type == NULL)
|
if (pcc_unsigned_promotion_type == NULL)
|
pcc_unsigned_promotion_type =
|
pcc_unsigned_promotion_type =
|
init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT,
|
init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT,
|
TYPE_FLAG_UNSIGNED, "unsigned int", NULL);
|
TYPE_FLAG_UNSIGNED, "unsigned int", NULL);
|
|
|
if (BELIEVE_PCC_PROMOTION_TYPE)
|
if (BELIEVE_PCC_PROMOTION_TYPE)
|
{
|
{
|
/* This is defined on machines (e.g. sparc) where we
|
/* This is defined on machines (e.g. sparc) where we
|
should believe the type of a PCC 'short' argument,
|
should believe the type of a PCC 'short' argument,
|
but shouldn't believe the address (the address is the
|
but shouldn't believe the address (the address is the
|
address of the corresponding int).
|
address of the corresponding int).
|
|
|
My guess is that this correction, as opposed to
|
My guess is that this correction, as opposed to
|
changing the parameter to an 'int' (as done below,
|
changing the parameter to an 'int' (as done below,
|
for PCC on most machines), is the right thing to do
|
for PCC on most machines), is the right thing to do
|
on all machines, but I don't want to risk breaking
|
on all machines, but I don't want to risk breaking
|
something that already works. On most PCC machines,
|
something that already works. On most PCC machines,
|
the sparc problem doesn't come up because the calling
|
the sparc problem doesn't come up because the calling
|
function has to zero the top bytes (not knowing
|
function has to zero the top bytes (not knowing
|
whether the called function wants an int or a short),
|
whether the called function wants an int or a short),
|
so there is little practical difference between an
|
so there is little practical difference between an
|
int and a short (except perhaps what happens when the
|
int and a short (except perhaps what happens when the
|
GDB user types "print short_arg = 0x10000;").
|
GDB user types "print short_arg = 0x10000;").
|
|
|
Hacked for SunOS 4.1 by gnu@cygnus.com. In 4.1, the
|
Hacked for SunOS 4.1 by gnu@cygnus.com. In 4.1, the
|
compiler actually produces the correct address (we
|
compiler actually produces the correct address (we
|
don't need to fix it up). I made this code adapt so
|
don't need to fix it up). I made this code adapt so
|
that it will offset the symbol if it was pointing at
|
that it will offset the symbol if it was pointing at
|
an int-aligned location and not otherwise. This way
|
an int-aligned location and not otherwise. This way
|
you can use the same gdb for 4.0.x and 4.1 systems.
|
you can use the same gdb for 4.0.x and 4.1 systems.
|
|
|
If the parameter is shorter than an int, and is
|
If the parameter is shorter than an int, and is
|
integral (e.g. char, short, or unsigned equivalent),
|
integral (e.g. char, short, or unsigned equivalent),
|
and is claimed to be passed on an integer boundary,
|
and is claimed to be passed on an integer boundary,
|
don't believe it! Offset the parameter's address to
|
don't believe it! Offset the parameter's address to
|
the tail-end of that integer. */
|
the tail-end of that integer. */
|
|
|
if (TYPE_LENGTH (SYMBOL_TYPE (sym)) < TYPE_LENGTH (pcc_promotion_type)
|
if (TYPE_LENGTH (SYMBOL_TYPE (sym)) < TYPE_LENGTH (pcc_promotion_type)
|
&& TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_INT
|
&& TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_INT
|
&& 0 == SYMBOL_VALUE (sym) % TYPE_LENGTH (pcc_promotion_type))
|
&& 0 == SYMBOL_VALUE (sym) % TYPE_LENGTH (pcc_promotion_type))
|
{
|
{
|
SYMBOL_VALUE (sym) += TYPE_LENGTH (pcc_promotion_type)
|
SYMBOL_VALUE (sym) += TYPE_LENGTH (pcc_promotion_type)
|
- TYPE_LENGTH (SYMBOL_TYPE (sym));
|
- TYPE_LENGTH (SYMBOL_TYPE (sym));
|
}
|
}
|
break;
|
break;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* If PCC says a parameter is a short or a char,
|
/* If PCC says a parameter is a short or a char,
|
it is really an int. */
|
it is really an int. */
|
if (TYPE_LENGTH (SYMBOL_TYPE (sym)) < TYPE_LENGTH (pcc_promotion_type)
|
if (TYPE_LENGTH (SYMBOL_TYPE (sym)) < TYPE_LENGTH (pcc_promotion_type)
|
&& TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_INT)
|
&& TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_INT)
|
{
|
{
|
SYMBOL_TYPE (sym) =
|
SYMBOL_TYPE (sym) =
|
TYPE_UNSIGNED (SYMBOL_TYPE (sym))
|
TYPE_UNSIGNED (SYMBOL_TYPE (sym))
|
? pcc_unsigned_promotion_type
|
? pcc_unsigned_promotion_type
|
: pcc_promotion_type;
|
: pcc_promotion_type;
|
}
|
}
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
case 'P':
|
case 'P':
|
/* acc seems to use P to declare the prototypes of functions that
|
/* acc seems to use P to declare the prototypes of functions that
|
are referenced by this file. gdb is not prepared to deal
|
are referenced by this file. gdb is not prepared to deal
|
with this extra information. FIXME, it ought to. */
|
with this extra information. FIXME, it ought to. */
|
if (type == N_FUN)
|
if (type == N_FUN)
|
{
|
{
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
goto process_prototype_types;
|
goto process_prototype_types;
|
}
|
}
|
/*FALLTHROUGH */
|
/*FALLTHROUGH */
|
|
|
case 'R':
|
case 'R':
|
/* Parameter which is in a register. */
|
/* Parameter which is in a register. */
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
SYMBOL_CLASS (sym) = LOC_REGPARM;
|
SYMBOL_CLASS (sym) = LOC_REGPARM;
|
SYMBOL_VALUE (sym) = STAB_REG_TO_REGNUM (valu);
|
SYMBOL_VALUE (sym) = STAB_REG_TO_REGNUM (valu);
|
if (SYMBOL_VALUE (sym) >= NUM_REGS)
|
if (SYMBOL_VALUE (sym) >= NUM_REGS)
|
{
|
{
|
complain (®_value_complaint, SYMBOL_VALUE (sym), NUM_REGS,
|
complain (®_value_complaint, SYMBOL_VALUE (sym), NUM_REGS,
|
SYMBOL_SOURCE_NAME (sym));
|
SYMBOL_SOURCE_NAME (sym));
|
SYMBOL_VALUE (sym) = SP_REGNUM; /* Known safe, though useless */
|
SYMBOL_VALUE (sym) = SP_REGNUM; /* Known safe, though useless */
|
}
|
}
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
add_symbol_to_list (sym, &local_symbols);
|
add_symbol_to_list (sym, &local_symbols);
|
break;
|
break;
|
|
|
case 'r':
|
case 'r':
|
/* Register variable (either global or local). */
|
/* Register variable (either global or local). */
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
SYMBOL_CLASS (sym) = LOC_REGISTER;
|
SYMBOL_CLASS (sym) = LOC_REGISTER;
|
SYMBOL_VALUE (sym) = STAB_REG_TO_REGNUM (valu);
|
SYMBOL_VALUE (sym) = STAB_REG_TO_REGNUM (valu);
|
if (SYMBOL_VALUE (sym) >= NUM_REGS)
|
if (SYMBOL_VALUE (sym) >= NUM_REGS)
|
{
|
{
|
complain (®_value_complaint, SYMBOL_VALUE (sym), NUM_REGS,
|
complain (®_value_complaint, SYMBOL_VALUE (sym), NUM_REGS,
|
SYMBOL_SOURCE_NAME (sym));
|
SYMBOL_SOURCE_NAME (sym));
|
SYMBOL_VALUE (sym) = SP_REGNUM; /* Known safe, though useless */
|
SYMBOL_VALUE (sym) = SP_REGNUM; /* Known safe, though useless */
|
}
|
}
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
if (within_function)
|
if (within_function)
|
{
|
{
|
/* Sun cc uses a pair of symbols, one 'p' and one 'r' with the same
|
/* Sun cc uses a pair of symbols, one 'p' and one 'r' with the same
|
name to represent an argument passed in a register.
|
name to represent an argument passed in a register.
|
GCC uses 'P' for the same case. So if we find such a symbol pair
|
GCC uses 'P' for the same case. So if we find such a symbol pair
|
we combine it into one 'P' symbol. For Sun cc we need to do this
|
we combine it into one 'P' symbol. For Sun cc we need to do this
|
regardless of REG_STRUCT_HAS_ADDR, because the compiler puts out
|
regardless of REG_STRUCT_HAS_ADDR, because the compiler puts out
|
the 'p' symbol even if it never saves the argument onto the stack.
|
the 'p' symbol even if it never saves the argument onto the stack.
|
|
|
On most machines, we want to preserve both symbols, so that
|
On most machines, we want to preserve both symbols, so that
|
we can still get information about what is going on with the
|
we can still get information about what is going on with the
|
stack (VAX for computing args_printed, using stack slots instead
|
stack (VAX for computing args_printed, using stack slots instead
|
of saved registers in backtraces, etc.).
|
of saved registers in backtraces, etc.).
|
|
|
Note that this code illegally combines
|
Note that this code illegally combines
|
main(argc) struct foo argc; { register struct foo argc; }
|
main(argc) struct foo argc; { register struct foo argc; }
|
but this case is considered pathological and causes a warning
|
but this case is considered pathological and causes a warning
|
from a decent compiler. */
|
from a decent compiler. */
|
|
|
if (local_symbols
|
if (local_symbols
|
&& local_symbols->nsyms > 0
|
&& local_symbols->nsyms > 0
|
#ifndef USE_REGISTER_NOT_ARG
|
#ifndef USE_REGISTER_NOT_ARG
|
&& REG_STRUCT_HAS_ADDR (processing_gcc_compilation,
|
&& REG_STRUCT_HAS_ADDR (processing_gcc_compilation,
|
SYMBOL_TYPE (sym))
|
SYMBOL_TYPE (sym))
|
&& (TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_STRUCT
|
&& (TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_STRUCT
|
|| TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_UNION
|
|| TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_UNION
|
|| TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_SET
|
|| TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_SET
|
|| TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_BITSTRING)
|
|| TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_BITSTRING)
|
#endif
|
#endif
|
)
|
)
|
{
|
{
|
struct symbol *prev_sym;
|
struct symbol *prev_sym;
|
prev_sym = local_symbols->symbol[local_symbols->nsyms - 1];
|
prev_sym = local_symbols->symbol[local_symbols->nsyms - 1];
|
if ((SYMBOL_CLASS (prev_sym) == LOC_REF_ARG
|
if ((SYMBOL_CLASS (prev_sym) == LOC_REF_ARG
|
|| SYMBOL_CLASS (prev_sym) == LOC_ARG)
|
|| SYMBOL_CLASS (prev_sym) == LOC_ARG)
|
&& STREQ (SYMBOL_NAME (prev_sym), SYMBOL_NAME (sym)))
|
&& STREQ (SYMBOL_NAME (prev_sym), SYMBOL_NAME (sym)))
|
{
|
{
|
SYMBOL_CLASS (prev_sym) = LOC_REGPARM;
|
SYMBOL_CLASS (prev_sym) = LOC_REGPARM;
|
/* Use the type from the LOC_REGISTER; that is the type
|
/* Use the type from the LOC_REGISTER; that is the type
|
that is actually in that register. */
|
that is actually in that register. */
|
SYMBOL_TYPE (prev_sym) = SYMBOL_TYPE (sym);
|
SYMBOL_TYPE (prev_sym) = SYMBOL_TYPE (sym);
|
SYMBOL_VALUE (prev_sym) = SYMBOL_VALUE (sym);
|
SYMBOL_VALUE (prev_sym) = SYMBOL_VALUE (sym);
|
sym = prev_sym;
|
sym = prev_sym;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
add_symbol_to_list (sym, &local_symbols);
|
add_symbol_to_list (sym, &local_symbols);
|
}
|
}
|
else
|
else
|
add_symbol_to_list (sym, &file_symbols);
|
add_symbol_to_list (sym, &file_symbols);
|
break;
|
break;
|
|
|
case 'S':
|
case 'S':
|
/* Static symbol at top level of file */
|
/* Static symbol at top level of file */
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
SYMBOL_CLASS (sym) = LOC_STATIC;
|
SYMBOL_CLASS (sym) = LOC_STATIC;
|
SYMBOL_VALUE_ADDRESS (sym) = valu;
|
SYMBOL_VALUE_ADDRESS (sym) = valu;
|
#ifdef STATIC_TRANSFORM_NAME
|
#ifdef STATIC_TRANSFORM_NAME
|
if (IS_STATIC_TRANSFORM_NAME (SYMBOL_NAME (sym)))
|
if (IS_STATIC_TRANSFORM_NAME (SYMBOL_NAME (sym)))
|
{
|
{
|
struct minimal_symbol *msym;
|
struct minimal_symbol *msym;
|
msym = lookup_minimal_symbol (SYMBOL_NAME (sym), NULL, objfile);
|
msym = lookup_minimal_symbol (SYMBOL_NAME (sym), NULL, objfile);
|
if (msym != NULL)
|
if (msym != NULL)
|
{
|
{
|
SYMBOL_NAME (sym) = STATIC_TRANSFORM_NAME (SYMBOL_NAME (sym));
|
SYMBOL_NAME (sym) = STATIC_TRANSFORM_NAME (SYMBOL_NAME (sym));
|
SYMBOL_VALUE_ADDRESS (sym) = SYMBOL_VALUE_ADDRESS (msym);
|
SYMBOL_VALUE_ADDRESS (sym) = SYMBOL_VALUE_ADDRESS (msym);
|
}
|
}
|
}
|
}
|
#endif
|
#endif
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
add_symbol_to_list (sym, &file_symbols);
|
add_symbol_to_list (sym, &file_symbols);
|
break;
|
break;
|
|
|
case 't':
|
case 't':
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
|
|
/* For a nameless type, we don't want a create a symbol, thus we
|
/* For a nameless type, we don't want a create a symbol, thus we
|
did not use `sym'. Return without further processing. */
|
did not use `sym'. Return without further processing. */
|
if (nameless)
|
if (nameless)
|
return NULL;
|
return NULL;
|
|
|
SYMBOL_CLASS (sym) = LOC_TYPEDEF;
|
SYMBOL_CLASS (sym) = LOC_TYPEDEF;
|
SYMBOL_VALUE (sym) = valu;
|
SYMBOL_VALUE (sym) = valu;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
/* C++ vagaries: we may have a type which is derived from
|
/* C++ vagaries: we may have a type which is derived from
|
a base type which did not have its name defined when the
|
a base type which did not have its name defined when the
|
derived class was output. We fill in the derived class's
|
derived class was output. We fill in the derived class's
|
base part member's name here in that case. */
|
base part member's name here in that case. */
|
if (TYPE_NAME (SYMBOL_TYPE (sym)) != NULL)
|
if (TYPE_NAME (SYMBOL_TYPE (sym)) != NULL)
|
if ((TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_STRUCT
|
if ((TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_STRUCT
|
|| TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_UNION)
|
|| TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_UNION)
|
&& TYPE_N_BASECLASSES (SYMBOL_TYPE (sym)))
|
&& TYPE_N_BASECLASSES (SYMBOL_TYPE (sym)))
|
{
|
{
|
int j;
|
int j;
|
for (j = TYPE_N_BASECLASSES (SYMBOL_TYPE (sym)) - 1; j >= 0; j--)
|
for (j = TYPE_N_BASECLASSES (SYMBOL_TYPE (sym)) - 1; j >= 0; j--)
|
if (TYPE_BASECLASS_NAME (SYMBOL_TYPE (sym), j) == 0)
|
if (TYPE_BASECLASS_NAME (SYMBOL_TYPE (sym), j) == 0)
|
TYPE_BASECLASS_NAME (SYMBOL_TYPE (sym), j) =
|
TYPE_BASECLASS_NAME (SYMBOL_TYPE (sym), j) =
|
type_name_no_tag (TYPE_BASECLASS (SYMBOL_TYPE (sym), j));
|
type_name_no_tag (TYPE_BASECLASS (SYMBOL_TYPE (sym), j));
|
}
|
}
|
|
|
if (TYPE_NAME (SYMBOL_TYPE (sym)) == NULL)
|
if (TYPE_NAME (SYMBOL_TYPE (sym)) == NULL)
|
{
|
{
|
/* gcc-2.6 or later (when using -fvtable-thunks)
|
/* gcc-2.6 or later (when using -fvtable-thunks)
|
emits a unique named type for a vtable entry.
|
emits a unique named type for a vtable entry.
|
Some gdb code depends on that specific name. */
|
Some gdb code depends on that specific name. */
|
extern const char vtbl_ptr_name[];
|
extern const char vtbl_ptr_name[];
|
|
|
if ((TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_PTR
|
if ((TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_PTR
|
&& strcmp (SYMBOL_NAME (sym), vtbl_ptr_name))
|
&& strcmp (SYMBOL_NAME (sym), vtbl_ptr_name))
|
|| TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_FUNC)
|
|| TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_FUNC)
|
{
|
{
|
/* If we are giving a name to a type such as "pointer to
|
/* If we are giving a name to a type such as "pointer to
|
foo" or "function returning foo", we better not set
|
foo" or "function returning foo", we better not set
|
the TYPE_NAME. If the program contains "typedef char
|
the TYPE_NAME. If the program contains "typedef char
|
*caddr_t;", we don't want all variables of type char
|
*caddr_t;", we don't want all variables of type char
|
* to print as caddr_t. This is not just a
|
* to print as caddr_t. This is not just a
|
consequence of GDB's type management; PCC and GCC (at
|
consequence of GDB's type management; PCC and GCC (at
|
least through version 2.4) both output variables of
|
least through version 2.4) both output variables of
|
either type char * or caddr_t with the type number
|
either type char * or caddr_t with the type number
|
defined in the 't' symbol for caddr_t. If a future
|
defined in the 't' symbol for caddr_t. If a future
|
compiler cleans this up it GDB is not ready for it
|
compiler cleans this up it GDB is not ready for it
|
yet, but if it becomes ready we somehow need to
|
yet, but if it becomes ready we somehow need to
|
disable this check (without breaking the PCC/GCC2.4
|
disable this check (without breaking the PCC/GCC2.4
|
case).
|
case).
|
|
|
Sigh.
|
Sigh.
|
|
|
Fortunately, this check seems not to be necessary
|
Fortunately, this check seems not to be necessary
|
for anything except pointers or functions. */
|
for anything except pointers or functions. */
|
}
|
}
|
else
|
else
|
TYPE_NAME (SYMBOL_TYPE (sym)) = SYMBOL_NAME (sym);
|
TYPE_NAME (SYMBOL_TYPE (sym)) = SYMBOL_NAME (sym);
|
}
|
}
|
|
|
add_symbol_to_list (sym, &file_symbols);
|
add_symbol_to_list (sym, &file_symbols);
|
break;
|
break;
|
|
|
case 'T':
|
case 'T':
|
/* Struct, union, or enum tag. For GNU C++, this can be be followed
|
/* Struct, union, or enum tag. For GNU C++, this can be be followed
|
by 't' which means we are typedef'ing it as well. */
|
by 't' which means we are typedef'ing it as well. */
|
synonym = *p == 't';
|
synonym = *p == 't';
|
|
|
if (synonym)
|
if (synonym)
|
p++;
|
p++;
|
/* The semantics of C++ state that "struct foo { ... }" also defines
|
/* The semantics of C++ state that "struct foo { ... }" also defines
|
a typedef for "foo". Unfortunately, cfront never makes the typedef
|
a typedef for "foo". Unfortunately, cfront never makes the typedef
|
when translating C++ into C. We make the typedef here so that
|
when translating C++ into C. We make the typedef here so that
|
"ptype foo" works as expected for cfront translated code. */
|
"ptype foo" works as expected for cfront translated code. */
|
else if (current_subfile->language == language_cplus)
|
else if (current_subfile->language == language_cplus)
|
synonym = 1;
|
synonym = 1;
|
|
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
|
|
/* For a nameless type, we don't want a create a symbol, thus we
|
/* For a nameless type, we don't want a create a symbol, thus we
|
did not use `sym'. Return without further processing. */
|
did not use `sym'. Return without further processing. */
|
if (nameless)
|
if (nameless)
|
return NULL;
|
return NULL;
|
|
|
SYMBOL_CLASS (sym) = LOC_TYPEDEF;
|
SYMBOL_CLASS (sym) = LOC_TYPEDEF;
|
SYMBOL_VALUE (sym) = valu;
|
SYMBOL_VALUE (sym) = valu;
|
SYMBOL_NAMESPACE (sym) = STRUCT_NAMESPACE;
|
SYMBOL_NAMESPACE (sym) = STRUCT_NAMESPACE;
|
if (TYPE_TAG_NAME (SYMBOL_TYPE (sym)) == 0)
|
if (TYPE_TAG_NAME (SYMBOL_TYPE (sym)) == 0)
|
TYPE_TAG_NAME (SYMBOL_TYPE (sym))
|
TYPE_TAG_NAME (SYMBOL_TYPE (sym))
|
= obconcat (&objfile->type_obstack, "", "", SYMBOL_NAME (sym));
|
= obconcat (&objfile->type_obstack, "", "", SYMBOL_NAME (sym));
|
add_symbol_to_list (sym, &file_symbols);
|
add_symbol_to_list (sym, &file_symbols);
|
|
|
if (synonym)
|
if (synonym)
|
{
|
{
|
/* Clone the sym and then modify it. */
|
/* Clone the sym and then modify it. */
|
register struct symbol *typedef_sym = (struct symbol *)
|
register struct symbol *typedef_sym = (struct symbol *)
|
obstack_alloc (&objfile->symbol_obstack, sizeof (struct symbol));
|
obstack_alloc (&objfile->symbol_obstack, sizeof (struct symbol));
|
*typedef_sym = *sym;
|
*typedef_sym = *sym;
|
SYMBOL_CLASS (typedef_sym) = LOC_TYPEDEF;
|
SYMBOL_CLASS (typedef_sym) = LOC_TYPEDEF;
|
SYMBOL_VALUE (typedef_sym) = valu;
|
SYMBOL_VALUE (typedef_sym) = valu;
|
SYMBOL_NAMESPACE (typedef_sym) = VAR_NAMESPACE;
|
SYMBOL_NAMESPACE (typedef_sym) = VAR_NAMESPACE;
|
if (TYPE_NAME (SYMBOL_TYPE (sym)) == 0)
|
if (TYPE_NAME (SYMBOL_TYPE (sym)) == 0)
|
TYPE_NAME (SYMBOL_TYPE (sym))
|
TYPE_NAME (SYMBOL_TYPE (sym))
|
= obconcat (&objfile->type_obstack, "", "", SYMBOL_NAME (sym));
|
= obconcat (&objfile->type_obstack, "", "", SYMBOL_NAME (sym));
|
add_symbol_to_list (typedef_sym, &file_symbols);
|
add_symbol_to_list (typedef_sym, &file_symbols);
|
}
|
}
|
break;
|
break;
|
|
|
case 'V':
|
case 'V':
|
/* Static symbol of local scope */
|
/* Static symbol of local scope */
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
SYMBOL_CLASS (sym) = LOC_STATIC;
|
SYMBOL_CLASS (sym) = LOC_STATIC;
|
SYMBOL_VALUE_ADDRESS (sym) = valu;
|
SYMBOL_VALUE_ADDRESS (sym) = valu;
|
#ifdef STATIC_TRANSFORM_NAME
|
#ifdef STATIC_TRANSFORM_NAME
|
if (IS_STATIC_TRANSFORM_NAME (SYMBOL_NAME (sym)))
|
if (IS_STATIC_TRANSFORM_NAME (SYMBOL_NAME (sym)))
|
{
|
{
|
struct minimal_symbol *msym;
|
struct minimal_symbol *msym;
|
msym = lookup_minimal_symbol (SYMBOL_NAME (sym), NULL, objfile);
|
msym = lookup_minimal_symbol (SYMBOL_NAME (sym), NULL, objfile);
|
if (msym != NULL)
|
if (msym != NULL)
|
{
|
{
|
SYMBOL_NAME (sym) = STATIC_TRANSFORM_NAME (SYMBOL_NAME (sym));
|
SYMBOL_NAME (sym) = STATIC_TRANSFORM_NAME (SYMBOL_NAME (sym));
|
SYMBOL_VALUE_ADDRESS (sym) = SYMBOL_VALUE_ADDRESS (msym);
|
SYMBOL_VALUE_ADDRESS (sym) = SYMBOL_VALUE_ADDRESS (msym);
|
}
|
}
|
}
|
}
|
#endif
|
#endif
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
if (os9k_stabs)
|
if (os9k_stabs)
|
add_symbol_to_list (sym, &global_symbols);
|
add_symbol_to_list (sym, &global_symbols);
|
else
|
else
|
add_symbol_to_list (sym, &local_symbols);
|
add_symbol_to_list (sym, &local_symbols);
|
break;
|
break;
|
|
|
case 'v':
|
case 'v':
|
/* Reference parameter */
|
/* Reference parameter */
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
SYMBOL_CLASS (sym) = LOC_REF_ARG;
|
SYMBOL_CLASS (sym) = LOC_REF_ARG;
|
SYMBOL_VALUE (sym) = valu;
|
SYMBOL_VALUE (sym) = valu;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
add_symbol_to_list (sym, &local_symbols);
|
add_symbol_to_list (sym, &local_symbols);
|
break;
|
break;
|
|
|
case 'a':
|
case 'a':
|
/* Reference parameter which is in a register. */
|
/* Reference parameter which is in a register. */
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
SYMBOL_CLASS (sym) = LOC_REGPARM_ADDR;
|
SYMBOL_CLASS (sym) = LOC_REGPARM_ADDR;
|
SYMBOL_VALUE (sym) = STAB_REG_TO_REGNUM (valu);
|
SYMBOL_VALUE (sym) = STAB_REG_TO_REGNUM (valu);
|
if (SYMBOL_VALUE (sym) >= NUM_REGS)
|
if (SYMBOL_VALUE (sym) >= NUM_REGS)
|
{
|
{
|
complain (®_value_complaint, SYMBOL_VALUE (sym), NUM_REGS,
|
complain (®_value_complaint, SYMBOL_VALUE (sym), NUM_REGS,
|
SYMBOL_SOURCE_NAME (sym));
|
SYMBOL_SOURCE_NAME (sym));
|
SYMBOL_VALUE (sym) = SP_REGNUM; /* Known safe, though useless */
|
SYMBOL_VALUE (sym) = SP_REGNUM; /* Known safe, though useless */
|
}
|
}
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
add_symbol_to_list (sym, &local_symbols);
|
add_symbol_to_list (sym, &local_symbols);
|
break;
|
break;
|
|
|
case 'X':
|
case 'X':
|
/* This is used by Sun FORTRAN for "function result value".
|
/* This is used by Sun FORTRAN for "function result value".
|
Sun claims ("dbx and dbxtool interfaces", 2nd ed)
|
Sun claims ("dbx and dbxtool interfaces", 2nd ed)
|
that Pascal uses it too, but when I tried it Pascal used
|
that Pascal uses it too, but when I tried it Pascal used
|
"x:3" (local symbol) instead. */
|
"x:3" (local symbol) instead. */
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
SYMBOL_TYPE (sym) = read_type (&p, objfile);
|
SYMBOL_CLASS (sym) = LOC_LOCAL;
|
SYMBOL_CLASS (sym) = LOC_LOCAL;
|
SYMBOL_VALUE (sym) = valu;
|
SYMBOL_VALUE (sym) = valu;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
add_symbol_to_list (sym, &local_symbols);
|
add_symbol_to_list (sym, &local_symbols);
|
break;
|
break;
|
|
|
/* New code added to support cfront stabs strings.
|
/* New code added to support cfront stabs strings.
|
Note: case 'P' already handled above */
|
Note: case 'P' already handled above */
|
case 'Z':
|
case 'Z':
|
/* Cfront type continuation coming up!
|
/* Cfront type continuation coming up!
|
Find the original definition and add to it.
|
Find the original definition and add to it.
|
We'll have to do this for the typedef too,
|
We'll have to do this for the typedef too,
|
since we cloned the symbol to define a type in read_type.
|
since we cloned the symbol to define a type in read_type.
|
Stabs info examples:
|
Stabs info examples:
|
__1C :Ztl
|
__1C :Ztl
|
foo__1CFv :ZtF (first def foo__1CFv:F(0,3);(0,24))
|
foo__1CFv :ZtF (first def foo__1CFv:F(0,3);(0,24))
|
C:ZsC;;__ct__1CFv func1__1CFv func2__1CFv ... ;;;
|
C:ZsC;;__ct__1CFv func1__1CFv func2__1CFv ... ;;;
|
where C is the name of the class.
|
where C is the name of the class.
|
Unfortunately, we can't lookup the original symbol yet 'cuz
|
Unfortunately, we can't lookup the original symbol yet 'cuz
|
we haven't finished reading all the symbols.
|
we haven't finished reading all the symbols.
|
Instead, we save it for processing later */
|
Instead, we save it for processing later */
|
process_later (sym, p, resolve_cfront_continuation);
|
process_later (sym, p, resolve_cfront_continuation);
|
SYMBOL_TYPE (sym) = error_type (&p, objfile); /* FIXME! change later */
|
SYMBOL_TYPE (sym) = error_type (&p, objfile); /* FIXME! change later */
|
SYMBOL_CLASS (sym) = LOC_CONST;
|
SYMBOL_CLASS (sym) = LOC_CONST;
|
SYMBOL_VALUE (sym) = 0;
|
SYMBOL_VALUE (sym) = 0;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
/* Don't add to list - we'll delete it later when
|
/* Don't add to list - we'll delete it later when
|
we add the continuation to the real sym */
|
we add the continuation to the real sym */
|
return sym;
|
return sym;
|
/* End of new code added to support cfront stabs strings */
|
/* End of new code added to support cfront stabs strings */
|
|
|
default:
|
default:
|
SYMBOL_TYPE (sym) = error_type (&p, objfile);
|
SYMBOL_TYPE (sym) = error_type (&p, objfile);
|
SYMBOL_CLASS (sym) = LOC_CONST;
|
SYMBOL_CLASS (sym) = LOC_CONST;
|
SYMBOL_VALUE (sym) = 0;
|
SYMBOL_VALUE (sym) = 0;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
add_symbol_to_list (sym, &file_symbols);
|
add_symbol_to_list (sym, &file_symbols);
|
break;
|
break;
|
}
|
}
|
|
|
/* When passing structures to a function, some systems sometimes pass
|
/* When passing structures to a function, some systems sometimes pass
|
the address in a register, not the structure itself. */
|
the address in a register, not the structure itself. */
|
|
|
if (REG_STRUCT_HAS_ADDR (processing_gcc_compilation, SYMBOL_TYPE (sym))
|
if (REG_STRUCT_HAS_ADDR (processing_gcc_compilation, SYMBOL_TYPE (sym))
|
&& (SYMBOL_CLASS (sym) == LOC_REGPARM || SYMBOL_CLASS (sym) == LOC_ARG))
|
&& (SYMBOL_CLASS (sym) == LOC_REGPARM || SYMBOL_CLASS (sym) == LOC_ARG))
|
{
|
{
|
struct type *symbol_type = check_typedef (SYMBOL_TYPE (sym));
|
struct type *symbol_type = check_typedef (SYMBOL_TYPE (sym));
|
|
|
if ((TYPE_CODE (symbol_type) == TYPE_CODE_STRUCT)
|
if ((TYPE_CODE (symbol_type) == TYPE_CODE_STRUCT)
|
|| (TYPE_CODE (symbol_type) == TYPE_CODE_UNION)
|
|| (TYPE_CODE (symbol_type) == TYPE_CODE_UNION)
|
|| (TYPE_CODE (symbol_type) == TYPE_CODE_BITSTRING)
|
|| (TYPE_CODE (symbol_type) == TYPE_CODE_BITSTRING)
|
|| (TYPE_CODE (symbol_type) == TYPE_CODE_SET))
|
|| (TYPE_CODE (symbol_type) == TYPE_CODE_SET))
|
{
|
{
|
/* If REG_STRUCT_HAS_ADDR yields non-zero we have to convert
|
/* If REG_STRUCT_HAS_ADDR yields non-zero we have to convert
|
LOC_REGPARM to LOC_REGPARM_ADDR for structures and unions. */
|
LOC_REGPARM to LOC_REGPARM_ADDR for structures and unions. */
|
if (SYMBOL_CLASS (sym) == LOC_REGPARM)
|
if (SYMBOL_CLASS (sym) == LOC_REGPARM)
|
SYMBOL_CLASS (sym) = LOC_REGPARM_ADDR;
|
SYMBOL_CLASS (sym) = LOC_REGPARM_ADDR;
|
/* Likewise for converting LOC_ARG to LOC_REF_ARG (for the 7th
|
/* Likewise for converting LOC_ARG to LOC_REF_ARG (for the 7th
|
and subsequent arguments on the sparc, for example). */
|
and subsequent arguments on the sparc, for example). */
|
else if (SYMBOL_CLASS (sym) == LOC_ARG)
|
else if (SYMBOL_CLASS (sym) == LOC_ARG)
|
SYMBOL_CLASS (sym) = LOC_REF_ARG;
|
SYMBOL_CLASS (sym) = LOC_REF_ARG;
|
}
|
}
|
}
|
}
|
|
|
/* Is there more to parse? For example LRS/alias information? */
|
/* Is there more to parse? For example LRS/alias information? */
|
while (*p && *p == ';')
|
while (*p && *p == ';')
|
{
|
{
|
p++;
|
p++;
|
if (*p && p[0] == 'l' && p[1] == '(')
|
if (*p && p[0] == 'l' && p[1] == '(')
|
{
|
{
|
/* GNU extensions for live range splitting may be appended to
|
/* GNU extensions for live range splitting may be appended to
|
the end of the stab string. eg. "l(#1,#2);l(#3,#5)" */
|
the end of the stab string. eg. "l(#1,#2);l(#3,#5)" */
|
|
|
/* Resolve the live range and add it to SYM's live range list. */
|
/* Resolve the live range and add it to SYM's live range list. */
|
if (!resolve_live_range (objfile, sym, p))
|
if (!resolve_live_range (objfile, sym, p))
|
return NULL;
|
return NULL;
|
|
|
/* Find end of live range info. */
|
/* Find end of live range info. */
|
p = strchr (p, ')');
|
p = strchr (p, ')');
|
if (!*p || *p != ')')
|
if (!*p || *p != ')')
|
{
|
{
|
complain (&lrs_general_complaint, "live range format not recognized");
|
complain (&lrs_general_complaint, "live range format not recognized");
|
return NULL;
|
return NULL;
|
}
|
}
|
p++;
|
p++;
|
}
|
}
|
}
|
}
|
return sym;
|
return sym;
|
}
|
}
|
|
|
/* Add the live range found in P to the symbol SYM in objfile OBJFILE. Returns
|
/* Add the live range found in P to the symbol SYM in objfile OBJFILE. Returns
|
non-zero on success, zero otherwise. */
|
non-zero on success, zero otherwise. */
|
|
|
static int
|
static int
|
resolve_live_range (objfile, sym, p)
|
resolve_live_range (objfile, sym, p)
|
struct objfile *objfile;
|
struct objfile *objfile;
|
struct symbol *sym;
|
struct symbol *sym;
|
char *p;
|
char *p;
|
{
|
{
|
int refnum;
|
int refnum;
|
CORE_ADDR start, end;
|
CORE_ADDR start, end;
|
|
|
/* Sanity check the beginning of the stabs string. */
|
/* Sanity check the beginning of the stabs string. */
|
if (!*p || *p != 'l')
|
if (!*p || *p != 'l')
|
{
|
{
|
complain (&lrs_general_complaint, "live range string 1");
|
complain (&lrs_general_complaint, "live range string 1");
|
return 0;
|
return 0;
|
}
|
}
|
p++;
|
p++;
|
|
|
if (!*p || *p != '(')
|
if (!*p || *p != '(')
|
{
|
{
|
complain (&lrs_general_complaint, "live range string 2");
|
complain (&lrs_general_complaint, "live range string 2");
|
return 0;
|
return 0;
|
}
|
}
|
p++;
|
p++;
|
|
|
/* Get starting value of range and advance P past the reference id.
|
/* Get starting value of range and advance P past the reference id.
|
|
|
?!? In theory, the process_reference should never fail, but we should
|
?!? In theory, the process_reference should never fail, but we should
|
catch that case just in case the compiler scrogged the stabs. */
|
catch that case just in case the compiler scrogged the stabs. */
|
refnum = process_reference (&p);
|
refnum = process_reference (&p);
|
start = ref_search_value (refnum);
|
start = ref_search_value (refnum);
|
if (!start)
|
if (!start)
|
{
|
{
|
complain (&lrs_general_complaint, "Live range symbol not found 1");
|
complain (&lrs_general_complaint, "Live range symbol not found 1");
|
return 0;
|
return 0;
|
}
|
}
|
|
|
if (!*p || *p != ',')
|
if (!*p || *p != ',')
|
{
|
{
|
complain (&lrs_general_complaint, "live range string 3");
|
complain (&lrs_general_complaint, "live range string 3");
|
return 0;
|
return 0;
|
}
|
}
|
p++;
|
p++;
|
|
|
/* Get ending value of range and advance P past the reference id.
|
/* Get ending value of range and advance P past the reference id.
|
|
|
?!? In theory, the process_reference should never fail, but we should
|
?!? In theory, the process_reference should never fail, but we should
|
catch that case just in case the compiler scrogged the stabs. */
|
catch that case just in case the compiler scrogged the stabs. */
|
refnum = process_reference (&p);
|
refnum = process_reference (&p);
|
end = ref_search_value (refnum);
|
end = ref_search_value (refnum);
|
if (!end)
|
if (!end)
|
{
|
{
|
complain (&lrs_general_complaint, "Live range symbol not found 2");
|
complain (&lrs_general_complaint, "Live range symbol not found 2");
|
return 0;
|
return 0;
|
}
|
}
|
|
|
if (!*p || *p != ')')
|
if (!*p || *p != ')')
|
{
|
{
|
complain (&lrs_general_complaint, "live range string 4");
|
complain (&lrs_general_complaint, "live range string 4");
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Now that we know the bounds of the range, add it to the
|
/* Now that we know the bounds of the range, add it to the
|
symbol. */
|
symbol. */
|
add_live_range (objfile, sym, start, end);
|
add_live_range (objfile, sym, start, end);
|
|
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/* Add a new live range defined by START and END to the symbol SYM
|
/* Add a new live range defined by START and END to the symbol SYM
|
in objfile OBJFILE. */
|
in objfile OBJFILE. */
|
|
|
static void
|
static void
|
add_live_range (objfile, sym, start, end)
|
add_live_range (objfile, sym, start, end)
|
struct objfile *objfile;
|
struct objfile *objfile;
|
struct symbol *sym;
|
struct symbol *sym;
|
CORE_ADDR start, end;
|
CORE_ADDR start, end;
|
{
|
{
|
struct range_list *r, *rs;
|
struct range_list *r, *rs;
|
|
|
if (start >= end)
|
if (start >= end)
|
{
|
{
|
complain (&lrs_general_complaint, "end of live range follows start");
|
complain (&lrs_general_complaint, "end of live range follows start");
|
return;
|
return;
|
}
|
}
|
|
|
/* Alloc new live range structure. */
|
/* Alloc new live range structure. */
|
r = (struct range_list *)
|
r = (struct range_list *)
|
obstack_alloc (&objfile->type_obstack,
|
obstack_alloc (&objfile->type_obstack,
|
sizeof (struct range_list));
|
sizeof (struct range_list));
|
r->start = start;
|
r->start = start;
|
r->end = end;
|
r->end = end;
|
r->next = 0;
|
r->next = 0;
|
|
|
/* Append this range to the symbol's range list. */
|
/* Append this range to the symbol's range list. */
|
if (!SYMBOL_RANGES (sym))
|
if (!SYMBOL_RANGES (sym))
|
SYMBOL_RANGES (sym) = r;
|
SYMBOL_RANGES (sym) = r;
|
else
|
else
|
{
|
{
|
/* Get the last range for the symbol. */
|
/* Get the last range for the symbol. */
|
for (rs = SYMBOL_RANGES (sym); rs->next; rs = rs->next)
|
for (rs = SYMBOL_RANGES (sym); rs->next; rs = rs->next)
|
;
|
;
|
rs->next = r;
|
rs->next = r;
|
}
|
}
|
}
|
}
|
|
|
|
|
/* Skip rest of this symbol and return an error type.
|
/* Skip rest of this symbol and return an error type.
|
|
|
General notes on error recovery: error_type always skips to the
|
General notes on error recovery: error_type always skips to the
|
end of the symbol (modulo cretinous dbx symbol name continuation).
|
end of the symbol (modulo cretinous dbx symbol name continuation).
|
Thus code like this:
|
Thus code like this:
|
|
|
if (*(*pp)++ != ';')
|
if (*(*pp)++ != ';')
|
return error_type (pp, objfile);
|
return error_type (pp, objfile);
|
|
|
is wrong because if *pp starts out pointing at '\0' (typically as the
|
is wrong because if *pp starts out pointing at '\0' (typically as the
|
result of an earlier error), it will be incremented to point to the
|
result of an earlier error), it will be incremented to point to the
|
start of the next symbol, which might produce strange results, at least
|
start of the next symbol, which might produce strange results, at least
|
if you run off the end of the string table. Instead use
|
if you run off the end of the string table. Instead use
|
|
|
if (**pp != ';')
|
if (**pp != ';')
|
return error_type (pp, objfile);
|
return error_type (pp, objfile);
|
++*pp;
|
++*pp;
|
|
|
or
|
or
|
|
|
if (**pp != ';')
|
if (**pp != ';')
|
foo = error_type (pp, objfile);
|
foo = error_type (pp, objfile);
|
else
|
else
|
++*pp;
|
++*pp;
|
|
|
And in case it isn't obvious, the point of all this hair is so the compiler
|
And in case it isn't obvious, the point of all this hair is so the compiler
|
can define new types and new syntaxes, and old versions of the
|
can define new types and new syntaxes, and old versions of the
|
debugger will be able to read the new symbol tables. */
|
debugger will be able to read the new symbol tables. */
|
|
|
static struct type *
|
static struct type *
|
error_type (pp, objfile)
|
error_type (pp, objfile)
|
char **pp;
|
char **pp;
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
complain (&error_type_complaint);
|
complain (&error_type_complaint);
|
while (1)
|
while (1)
|
{
|
{
|
/* Skip to end of symbol. */
|
/* Skip to end of symbol. */
|
while (**pp != '\0')
|
while (**pp != '\0')
|
{
|
{
|
(*pp)++;
|
(*pp)++;
|
}
|
}
|
|
|
/* Check for and handle cretinous dbx symbol name continuation! */
|
/* Check for and handle cretinous dbx symbol name continuation! */
|
if ((*pp)[-1] == '\\' || (*pp)[-1] == '?')
|
if ((*pp)[-1] == '\\' || (*pp)[-1] == '?')
|
{
|
{
|
*pp = next_symbol_text (objfile);
|
*pp = next_symbol_text (objfile);
|
}
|
}
|
else
|
else
|
{
|
{
|
break;
|
break;
|
}
|
}
|
}
|
}
|
return (builtin_type_error);
|
return (builtin_type_error);
|
}
|
}
|
|
|
|
|
/* Read type information or a type definition; return the type. Even
|
/* Read type information or a type definition; return the type. Even
|
though this routine accepts either type information or a type
|
though this routine accepts either type information or a type
|
definition, the distinction is relevant--some parts of stabsread.c
|
definition, the distinction is relevant--some parts of stabsread.c
|
assume that type information starts with a digit, '-', or '(' in
|
assume that type information starts with a digit, '-', or '(' in
|
deciding whether to call read_type. */
|
deciding whether to call read_type. */
|
|
|
struct type *
|
struct type *
|
read_type (pp, objfile)
|
read_type (pp, objfile)
|
register char **pp;
|
register char **pp;
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
register struct type *type = 0;
|
register struct type *type = 0;
|
struct type *type1;
|
struct type *type1;
|
int typenums[2];
|
int typenums[2];
|
char type_descriptor;
|
char type_descriptor;
|
|
|
/* Size in bits of type if specified by a type attribute, or -1 if
|
/* Size in bits of type if specified by a type attribute, or -1 if
|
there is no size attribute. */
|
there is no size attribute. */
|
int type_size = -1;
|
int type_size = -1;
|
|
|
/* Used to distinguish string and bitstring from char-array and set. */
|
/* Used to distinguish string and bitstring from char-array and set. */
|
int is_string = 0;
|
int is_string = 0;
|
|
|
/* Read type number if present. The type number may be omitted.
|
/* Read type number if present. The type number may be omitted.
|
for instance in a two-dimensional array declared with type
|
for instance in a two-dimensional array declared with type
|
"ar1;1;10;ar1;1;10;4". */
|
"ar1;1;10;ar1;1;10;4". */
|
if ((**pp >= '0' && **pp <= '9')
|
if ((**pp >= '0' && **pp <= '9')
|
|| **pp == '('
|
|| **pp == '('
|
|| **pp == '-')
|
|| **pp == '-')
|
{
|
{
|
if (read_type_number (pp, typenums) != 0)
|
if (read_type_number (pp, typenums) != 0)
|
return error_type (pp, objfile);
|
return error_type (pp, objfile);
|
|
|
/* Type is not being defined here. Either it already exists,
|
/* Type is not being defined here. Either it already exists,
|
or this is a forward reference to it. dbx_alloc_type handles
|
or this is a forward reference to it. dbx_alloc_type handles
|
both cases. */
|
both cases. */
|
if (**pp != '=')
|
if (**pp != '=')
|
return dbx_alloc_type (typenums, objfile);
|
return dbx_alloc_type (typenums, objfile);
|
|
|
/* Type is being defined here. */
|
/* Type is being defined here. */
|
/* Skip the '='.
|
/* Skip the '='.
|
Also skip the type descriptor - we get it below with (*pp)[-1]. */
|
Also skip the type descriptor - we get it below with (*pp)[-1]. */
|
(*pp) += 2;
|
(*pp) += 2;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* 'typenums=' not present, type is anonymous. Read and return
|
/* 'typenums=' not present, type is anonymous. Read and return
|
the definition, but don't put it in the type vector. */
|
the definition, but don't put it in the type vector. */
|
typenums[0] = typenums[1] = -1;
|
typenums[0] = typenums[1] = -1;
|
(*pp)++;
|
(*pp)++;
|
}
|
}
|
|
|
again:
|
again:
|
type_descriptor = (*pp)[-1];
|
type_descriptor = (*pp)[-1];
|
switch (type_descriptor)
|
switch (type_descriptor)
|
{
|
{
|
case 'x':
|
case 'x':
|
{
|
{
|
enum type_code code;
|
enum type_code code;
|
|
|
/* Used to index through file_symbols. */
|
/* Used to index through file_symbols. */
|
struct pending *ppt;
|
struct pending *ppt;
|
int i;
|
int i;
|
|
|
/* Name including "struct", etc. */
|
/* Name including "struct", etc. */
|
char *type_name;
|
char *type_name;
|
|
|
{
|
{
|
char *from, *to, *p, *q1, *q2;
|
char *from, *to, *p, *q1, *q2;
|
|
|
/* Set the type code according to the following letter. */
|
/* Set the type code according to the following letter. */
|
switch ((*pp)[0])
|
switch ((*pp)[0])
|
{
|
{
|
case 's':
|
case 's':
|
code = TYPE_CODE_STRUCT;
|
code = TYPE_CODE_STRUCT;
|
break;
|
break;
|
case 'u':
|
case 'u':
|
code = TYPE_CODE_UNION;
|
code = TYPE_CODE_UNION;
|
break;
|
break;
|
case 'e':
|
case 'e':
|
code = TYPE_CODE_ENUM;
|
code = TYPE_CODE_ENUM;
|
break;
|
break;
|
default:
|
default:
|
{
|
{
|
/* Complain and keep going, so compilers can invent new
|
/* Complain and keep going, so compilers can invent new
|
cross-reference types. */
|
cross-reference types. */
|
static struct complaint msg =
|
static struct complaint msg =
|
{"Unrecognized cross-reference type `%c'", 0, 0};
|
{"Unrecognized cross-reference type `%c'", 0, 0};
|
complain (&msg, (*pp)[0]);
|
complain (&msg, (*pp)[0]);
|
code = TYPE_CODE_STRUCT;
|
code = TYPE_CODE_STRUCT;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
q1 = strchr (*pp, '<');
|
q1 = strchr (*pp, '<');
|
p = strchr (*pp, ':');
|
p = strchr (*pp, ':');
|
if (p == NULL)
|
if (p == NULL)
|
return error_type (pp, objfile);
|
return error_type (pp, objfile);
|
if (q1 && p > q1 && p[1] == ':')
|
if (q1 && p > q1 && p[1] == ':')
|
{
|
{
|
int nesting_level = 0;
|
int nesting_level = 0;
|
for (q2 = q1; *q2; q2++)
|
for (q2 = q1; *q2; q2++)
|
{
|
{
|
if (*q2 == '<')
|
if (*q2 == '<')
|
nesting_level++;
|
nesting_level++;
|
else if (*q2 == '>')
|
else if (*q2 == '>')
|
nesting_level--;
|
nesting_level--;
|
else if (*q2 == ':' && nesting_level == 0)
|
else if (*q2 == ':' && nesting_level == 0)
|
break;
|
break;
|
}
|
}
|
p = q2;
|
p = q2;
|
if (*p != ':')
|
if (*p != ':')
|
return error_type (pp, objfile);
|
return error_type (pp, objfile);
|
}
|
}
|
to = type_name =
|
to = type_name =
|
(char *) obstack_alloc (&objfile->type_obstack, p - *pp + 1);
|
(char *) obstack_alloc (&objfile->type_obstack, p - *pp + 1);
|
|
|
/* Copy the name. */
|
/* Copy the name. */
|
from = *pp + 1;
|
from = *pp + 1;
|
while (from < p)
|
while (from < p)
|
*to++ = *from++;
|
*to++ = *from++;
|
*to = '\0';
|
*to = '\0';
|
|
|
/* Set the pointer ahead of the name which we just read, and
|
/* Set the pointer ahead of the name which we just read, and
|
the colon. */
|
the colon. */
|
*pp = from + 1;
|
*pp = from + 1;
|
}
|
}
|
|
|
/* Now check to see whether the type has already been
|
/* Now check to see whether the type has already been
|
declared. This was written for arrays of cross-referenced
|
declared. This was written for arrays of cross-referenced
|
types before we had TYPE_CODE_TARGET_STUBBED, so I'm pretty
|
types before we had TYPE_CODE_TARGET_STUBBED, so I'm pretty
|
sure it is not necessary anymore. But it might be a good
|
sure it is not necessary anymore. But it might be a good
|
idea, to save a little memory. */
|
idea, to save a little memory. */
|
|
|
for (ppt = file_symbols; ppt; ppt = ppt->next)
|
for (ppt = file_symbols; ppt; ppt = ppt->next)
|
for (i = 0; i < ppt->nsyms; i++)
|
for (i = 0; i < ppt->nsyms; i++)
|
{
|
{
|
struct symbol *sym = ppt->symbol[i];
|
struct symbol *sym = ppt->symbol[i];
|
|
|
if (SYMBOL_CLASS (sym) == LOC_TYPEDEF
|
if (SYMBOL_CLASS (sym) == LOC_TYPEDEF
|
&& SYMBOL_NAMESPACE (sym) == STRUCT_NAMESPACE
|
&& SYMBOL_NAMESPACE (sym) == STRUCT_NAMESPACE
|
&& (TYPE_CODE (SYMBOL_TYPE (sym)) == code)
|
&& (TYPE_CODE (SYMBOL_TYPE (sym)) == code)
|
&& STREQ (SYMBOL_NAME (sym), type_name))
|
&& STREQ (SYMBOL_NAME (sym), type_name))
|
{
|
{
|
obstack_free (&objfile->type_obstack, type_name);
|
obstack_free (&objfile->type_obstack, type_name);
|
type = SYMBOL_TYPE (sym);
|
type = SYMBOL_TYPE (sym);
|
return type;
|
return type;
|
}
|
}
|
}
|
}
|
|
|
/* Didn't find the type to which this refers, so we must
|
/* Didn't find the type to which this refers, so we must
|
be dealing with a forward reference. Allocate a type
|
be dealing with a forward reference. Allocate a type
|
structure for it, and keep track of it so we can
|
structure for it, and keep track of it so we can
|
fill in the rest of the fields when we get the full
|
fill in the rest of the fields when we get the full
|
type. */
|
type. */
|
type = dbx_alloc_type (typenums, objfile);
|
type = dbx_alloc_type (typenums, objfile);
|
TYPE_CODE (type) = code;
|
TYPE_CODE (type) = code;
|
TYPE_TAG_NAME (type) = type_name;
|
TYPE_TAG_NAME (type) = type_name;
|
INIT_CPLUS_SPECIFIC (type);
|
INIT_CPLUS_SPECIFIC (type);
|
TYPE_FLAGS (type) |= TYPE_FLAG_STUB;
|
TYPE_FLAGS (type) |= TYPE_FLAG_STUB;
|
|
|
add_undefined_type (type);
|
add_undefined_type (type);
|
return type;
|
return type;
|
}
|
}
|
|
|
case '-': /* RS/6000 built-in type */
|
case '-': /* RS/6000 built-in type */
|
case '0':
|
case '0':
|
case '1':
|
case '1':
|
case '2':
|
case '2':
|
case '3':
|
case '3':
|
case '4':
|
case '4':
|
case '5':
|
case '5':
|
case '6':
|
case '6':
|
case '7':
|
case '7':
|
case '8':
|
case '8':
|
case '9':
|
case '9':
|
case '(':
|
case '(':
|
(*pp)--;
|
(*pp)--;
|
|
|
/* We deal with something like t(1,2)=(3,4)=... which
|
/* We deal with something like t(1,2)=(3,4)=... which
|
the Lucid compiler and recent gcc versions (post 2.7.3) use. */
|
the Lucid compiler and recent gcc versions (post 2.7.3) use. */
|
|
|
/* Allocate and enter the typedef type first.
|
/* Allocate and enter the typedef type first.
|
This handles recursive types. */
|
This handles recursive types. */
|
type = dbx_alloc_type (typenums, objfile);
|
type = dbx_alloc_type (typenums, objfile);
|
TYPE_CODE (type) = TYPE_CODE_TYPEDEF;
|
TYPE_CODE (type) = TYPE_CODE_TYPEDEF;
|
{
|
{
|
struct type *xtype = read_type (pp, objfile);
|
struct type *xtype = read_type (pp, objfile);
|
if (type == xtype)
|
if (type == xtype)
|
{
|
{
|
/* It's being defined as itself. That means it is "void". */
|
/* It's being defined as itself. That means it is "void". */
|
TYPE_CODE (type) = TYPE_CODE_VOID;
|
TYPE_CODE (type) = TYPE_CODE_VOID;
|
TYPE_LENGTH (type) = 1;
|
TYPE_LENGTH (type) = 1;
|
}
|
}
|
else if (type_size >= 0 || is_string)
|
else if (type_size >= 0 || is_string)
|
{
|
{
|
*type = *xtype;
|
*type = *xtype;
|
TYPE_NAME (type) = NULL;
|
TYPE_NAME (type) = NULL;
|
TYPE_TAG_NAME (type) = NULL;
|
TYPE_TAG_NAME (type) = NULL;
|
}
|
}
|
else
|
else
|
{
|
{
|
TYPE_FLAGS (type) |= TYPE_FLAG_TARGET_STUB;
|
TYPE_FLAGS (type) |= TYPE_FLAG_TARGET_STUB;
|
TYPE_TARGET_TYPE (type) = xtype;
|
TYPE_TARGET_TYPE (type) = xtype;
|
}
|
}
|
}
|
}
|
break;
|
break;
|
|
|
/* In the following types, we must be sure to overwrite any existing
|
/* In the following types, we must be sure to overwrite any existing
|
type that the typenums refer to, rather than allocating a new one
|
type that the typenums refer to, rather than allocating a new one
|
and making the typenums point to the new one. This is because there
|
and making the typenums point to the new one. This is because there
|
may already be pointers to the existing type (if it had been
|
may already be pointers to the existing type (if it had been
|
forward-referenced), and we must change it to a pointer, function,
|
forward-referenced), and we must change it to a pointer, function,
|
reference, or whatever, *in-place*. */
|
reference, or whatever, *in-place*. */
|
|
|
case '*':
|
case '*':
|
type1 = read_type (pp, objfile);
|
type1 = read_type (pp, objfile);
|
type = make_pointer_type (type1, dbx_lookup_type (typenums));
|
type = make_pointer_type (type1, dbx_lookup_type (typenums));
|
break;
|
break;
|
|
|
case '&': /* Reference to another type */
|
case '&': /* Reference to another type */
|
type1 = read_type (pp, objfile);
|
type1 = read_type (pp, objfile);
|
type = make_reference_type (type1, dbx_lookup_type (typenums));
|
type = make_reference_type (type1, dbx_lookup_type (typenums));
|
break;
|
break;
|
|
|
case 'f': /* Function returning another type */
|
case 'f': /* Function returning another type */
|
if (os9k_stabs && **pp == '(')
|
if (os9k_stabs && **pp == '(')
|
{
|
{
|
/* Function prototype; parse it.
|
/* Function prototype; parse it.
|
We must conditionalize this on os9k_stabs because otherwise
|
We must conditionalize this on os9k_stabs because otherwise
|
it could be confused with a Sun-style (1,3) typenumber
|
it could be confused with a Sun-style (1,3) typenumber
|
(I think). */
|
(I think). */
|
struct type *t;
|
struct type *t;
|
++*pp;
|
++*pp;
|
while (**pp != ')')
|
while (**pp != ')')
|
{
|
{
|
t = read_type (pp, objfile);
|
t = read_type (pp, objfile);
|
if (**pp == ',')
|
if (**pp == ',')
|
++ * pp;
|
++ * pp;
|
}
|
}
|
}
|
}
|
type1 = read_type (pp, objfile);
|
type1 = read_type (pp, objfile);
|
type = make_function_type (type1, dbx_lookup_type (typenums));
|
type = make_function_type (type1, dbx_lookup_type (typenums));
|
break;
|
break;
|
|
|
case 'k': /* Const qualifier on some type (Sun) */
|
case 'k': /* Const qualifier on some type (Sun) */
|
case 'c': /* Const qualifier on some type (OS9000) */
|
case 'c': /* Const qualifier on some type (OS9000) */
|
/* Because 'c' means other things to AIX and 'k' is perfectly good,
|
/* Because 'c' means other things to AIX and 'k' is perfectly good,
|
only accept 'c' in the os9k_stabs case. */
|
only accept 'c' in the os9k_stabs case. */
|
if (type_descriptor == 'c' && !os9k_stabs)
|
if (type_descriptor == 'c' && !os9k_stabs)
|
return error_type (pp, objfile);
|
return error_type (pp, objfile);
|
type = read_type (pp, objfile);
|
type = read_type (pp, objfile);
|
/* FIXME! For now, we ignore const and volatile qualifiers. */
|
/* FIXME! For now, we ignore const and volatile qualifiers. */
|
break;
|
break;
|
|
|
case 'B': /* Volatile qual on some type (Sun) */
|
case 'B': /* Volatile qual on some type (Sun) */
|
case 'i': /* Volatile qual on some type (OS9000) */
|
case 'i': /* Volatile qual on some type (OS9000) */
|
/* Because 'i' means other things to AIX and 'B' is perfectly good,
|
/* Because 'i' means other things to AIX and 'B' is perfectly good,
|
only accept 'i' in the os9k_stabs case. */
|
only accept 'i' in the os9k_stabs case. */
|
if (type_descriptor == 'i' && !os9k_stabs)
|
if (type_descriptor == 'i' && !os9k_stabs)
|
return error_type (pp, objfile);
|
return error_type (pp, objfile);
|
type = read_type (pp, objfile);
|
type = read_type (pp, objfile);
|
/* FIXME! For now, we ignore const and volatile qualifiers. */
|
/* FIXME! For now, we ignore const and volatile qualifiers. */
|
break;
|
break;
|
|
|
case '@':
|
case '@':
|
if (isdigit (**pp) || **pp == '(' || **pp == '-')
|
if (isdigit (**pp) || **pp == '(' || **pp == '-')
|
{ /* Member (class & variable) type */
|
{ /* Member (class & variable) type */
|
/* FIXME -- we should be doing smash_to_XXX types here. */
|
/* FIXME -- we should be doing smash_to_XXX types here. */
|
|
|
struct type *domain = read_type (pp, objfile);
|
struct type *domain = read_type (pp, objfile);
|
struct type *memtype;
|
struct type *memtype;
|
|
|
if (**pp != ',')
|
if (**pp != ',')
|
/* Invalid member type data format. */
|
/* Invalid member type data format. */
|
return error_type (pp, objfile);
|
return error_type (pp, objfile);
|
++*pp;
|
++*pp;
|
|
|
memtype = read_type (pp, objfile);
|
memtype = read_type (pp, objfile);
|
type = dbx_alloc_type (typenums, objfile);
|
type = dbx_alloc_type (typenums, objfile);
|
smash_to_member_type (type, domain, memtype);
|
smash_to_member_type (type, domain, memtype);
|
}
|
}
|
else
|
else
|
/* type attribute */
|
/* type attribute */
|
{
|
{
|
char *attr = *pp;
|
char *attr = *pp;
|
/* Skip to the semicolon. */
|
/* Skip to the semicolon. */
|
while (**pp != ';' && **pp != '\0')
|
while (**pp != ';' && **pp != '\0')
|
++(*pp);
|
++(*pp);
|
if (**pp == '\0')
|
if (**pp == '\0')
|
return error_type (pp, objfile);
|
return error_type (pp, objfile);
|
else
|
else
|
++ * pp; /* Skip the semicolon. */
|
++ * pp; /* Skip the semicolon. */
|
|
|
switch (*attr)
|
switch (*attr)
|
{
|
{
|
case 's':
|
case 's':
|
type_size = atoi (attr + 1);
|
type_size = atoi (attr + 1);
|
if (type_size <= 0)
|
if (type_size <= 0)
|
type_size = -1;
|
type_size = -1;
|
break;
|
break;
|
|
|
case 'S':
|
case 'S':
|
is_string = 1;
|
is_string = 1;
|
break;
|
break;
|
|
|
default:
|
default:
|
/* Ignore unrecognized type attributes, so future compilers
|
/* Ignore unrecognized type attributes, so future compilers
|
can invent new ones. */
|
can invent new ones. */
|
break;
|
break;
|
}
|
}
|
++*pp;
|
++*pp;
|
goto again;
|
goto again;
|
}
|
}
|
break;
|
break;
|
|
|
case '#': /* Method (class & fn) type */
|
case '#': /* Method (class & fn) type */
|
if ((*pp)[0] == '#')
|
if ((*pp)[0] == '#')
|
{
|
{
|
/* We'll get the parameter types from the name. */
|
/* We'll get the parameter types from the name. */
|
struct type *return_type;
|
struct type *return_type;
|
|
|
(*pp)++;
|
(*pp)++;
|
return_type = read_type (pp, objfile);
|
return_type = read_type (pp, objfile);
|
if (*(*pp)++ != ';')
|
if (*(*pp)++ != ';')
|
complain (&invalid_member_complaint, symnum);
|
complain (&invalid_member_complaint, symnum);
|
type = allocate_stub_method (return_type);
|
type = allocate_stub_method (return_type);
|
if (typenums[0] != -1)
|
if (typenums[0] != -1)
|
*dbx_lookup_type (typenums) = type;
|
*dbx_lookup_type (typenums) = type;
|
}
|
}
|
else
|
else
|
{
|
{
|
struct type *domain = read_type (pp, objfile);
|
struct type *domain = read_type (pp, objfile);
|
struct type *return_type;
|
struct type *return_type;
|
struct type **args;
|
struct type **args;
|
|
|
if (**pp != ',')
|
if (**pp != ',')
|
/* Invalid member type data format. */
|
/* Invalid member type data format. */
|
return error_type (pp, objfile);
|
return error_type (pp, objfile);
|
else
|
else
|
++(*pp);
|
++(*pp);
|
|
|
return_type = read_type (pp, objfile);
|
return_type = read_type (pp, objfile);
|
args = read_args (pp, ';', objfile);
|
args = read_args (pp, ';', objfile);
|
type = dbx_alloc_type (typenums, objfile);
|
type = dbx_alloc_type (typenums, objfile);
|
smash_to_method_type (type, domain, return_type, args);
|
smash_to_method_type (type, domain, return_type, args);
|
}
|
}
|
break;
|
break;
|
|
|
case 'r': /* Range type */
|
case 'r': /* Range type */
|
type = read_range_type (pp, typenums, objfile);
|
type = read_range_type (pp, typenums, objfile);
|
if (typenums[0] != -1)
|
if (typenums[0] != -1)
|
*dbx_lookup_type (typenums) = type;
|
*dbx_lookup_type (typenums) = type;
|
break;
|
break;
|
|
|
case 'b':
|
case 'b':
|
if (os9k_stabs)
|
if (os9k_stabs)
|
/* Const and volatile qualified type. */
|
/* Const and volatile qualified type. */
|
type = read_type (pp, objfile);
|
type = read_type (pp, objfile);
|
else
|
else
|
{
|
{
|
/* Sun ACC builtin int type */
|
/* Sun ACC builtin int type */
|
type = read_sun_builtin_type (pp, typenums, objfile);
|
type = read_sun_builtin_type (pp, typenums, objfile);
|
if (typenums[0] != -1)
|
if (typenums[0] != -1)
|
*dbx_lookup_type (typenums) = type;
|
*dbx_lookup_type (typenums) = type;
|
}
|
}
|
break;
|
break;
|
|
|
case 'R': /* Sun ACC builtin float type */
|
case 'R': /* Sun ACC builtin float type */
|
type = read_sun_floating_type (pp, typenums, objfile);
|
type = read_sun_floating_type (pp, typenums, objfile);
|
if (typenums[0] != -1)
|
if (typenums[0] != -1)
|
*dbx_lookup_type (typenums) = type;
|
*dbx_lookup_type (typenums) = type;
|
break;
|
break;
|
|
|
case 'e': /* Enumeration type */
|
case 'e': /* Enumeration type */
|
type = dbx_alloc_type (typenums, objfile);
|
type = dbx_alloc_type (typenums, objfile);
|
type = read_enum_type (pp, type, objfile);
|
type = read_enum_type (pp, type, objfile);
|
if (typenums[0] != -1)
|
if (typenums[0] != -1)
|
*dbx_lookup_type (typenums) = type;
|
*dbx_lookup_type (typenums) = type;
|
break;
|
break;
|
|
|
case 's': /* Struct type */
|
case 's': /* Struct type */
|
case 'u': /* Union type */
|
case 'u': /* Union type */
|
type = dbx_alloc_type (typenums, objfile);
|
type = dbx_alloc_type (typenums, objfile);
|
switch (type_descriptor)
|
switch (type_descriptor)
|
{
|
{
|
case 's':
|
case 's':
|
TYPE_CODE (type) = TYPE_CODE_STRUCT;
|
TYPE_CODE (type) = TYPE_CODE_STRUCT;
|
break;
|
break;
|
case 'u':
|
case 'u':
|
TYPE_CODE (type) = TYPE_CODE_UNION;
|
TYPE_CODE (type) = TYPE_CODE_UNION;
|
break;
|
break;
|
}
|
}
|
type = read_struct_type (pp, type, objfile);
|
type = read_struct_type (pp, type, objfile);
|
break;
|
break;
|
|
|
case 'a': /* Array type */
|
case 'a': /* Array type */
|
if (**pp != 'r')
|
if (**pp != 'r')
|
return error_type (pp, objfile);
|
return error_type (pp, objfile);
|
++*pp;
|
++*pp;
|
|
|
type = dbx_alloc_type (typenums, objfile);
|
type = dbx_alloc_type (typenums, objfile);
|
type = read_array_type (pp, type, objfile);
|
type = read_array_type (pp, type, objfile);
|
if (is_string)
|
if (is_string)
|
TYPE_CODE (type) = TYPE_CODE_STRING;
|
TYPE_CODE (type) = TYPE_CODE_STRING;
|
break;
|
break;
|
|
|
case 'S':
|
case 'S':
|
type1 = read_type (pp, objfile);
|
type1 = read_type (pp, objfile);
|
type = create_set_type ((struct type *) NULL, type1);
|
type = create_set_type ((struct type *) NULL, type1);
|
if (is_string)
|
if (is_string)
|
TYPE_CODE (type) = TYPE_CODE_BITSTRING;
|
TYPE_CODE (type) = TYPE_CODE_BITSTRING;
|
if (typenums[0] != -1)
|
if (typenums[0] != -1)
|
*dbx_lookup_type (typenums) = type;
|
*dbx_lookup_type (typenums) = type;
|
break;
|
break;
|
|
|
default:
|
default:
|
--*pp; /* Go back to the symbol in error */
|
--*pp; /* Go back to the symbol in error */
|
/* Particularly important if it was \0! */
|
/* Particularly important if it was \0! */
|
return error_type (pp, objfile);
|
return error_type (pp, objfile);
|
}
|
}
|
|
|
if (type == 0)
|
if (type == 0)
|
{
|
{
|
warning ("GDB internal error, type is NULL in stabsread.c\n");
|
warning ("GDB internal error, type is NULL in stabsread.c\n");
|
return error_type (pp, objfile);
|
return error_type (pp, objfile);
|
}
|
}
|
|
|
/* Size specified in a type attribute overrides any other size. */
|
/* Size specified in a type attribute overrides any other size. */
|
if (type_size != -1)
|
if (type_size != -1)
|
TYPE_LENGTH (type) = (type_size + TARGET_CHAR_BIT - 1) / TARGET_CHAR_BIT;
|
TYPE_LENGTH (type) = (type_size + TARGET_CHAR_BIT - 1) / TARGET_CHAR_BIT;
|
|
|
return type;
|
return type;
|
}
|
}
|
|
|
/* RS/6000 xlc/dbx combination uses a set of builtin types, starting from -1.
|
/* RS/6000 xlc/dbx combination uses a set of builtin types, starting from -1.
|
Return the proper type node for a given builtin type number. */
|
Return the proper type node for a given builtin type number. */
|
|
|
static struct type *
|
static struct type *
|
rs6000_builtin_type (typenum)
|
rs6000_builtin_type (typenum)
|
int typenum;
|
int typenum;
|
{
|
{
|
/* We recognize types numbered from -NUMBER_RECOGNIZED to -1. */
|
/* We recognize types numbered from -NUMBER_RECOGNIZED to -1. */
|
#define NUMBER_RECOGNIZED 34
|
#define NUMBER_RECOGNIZED 34
|
/* This includes an empty slot for type number -0. */
|
/* This includes an empty slot for type number -0. */
|
static struct type *negative_types[NUMBER_RECOGNIZED + 1];
|
static struct type *negative_types[NUMBER_RECOGNIZED + 1];
|
struct type *rettype = NULL;
|
struct type *rettype = NULL;
|
|
|
if (typenum >= 0 || typenum < -NUMBER_RECOGNIZED)
|
if (typenum >= 0 || typenum < -NUMBER_RECOGNIZED)
|
{
|
{
|
complain (&rs6000_builtin_complaint, typenum);
|
complain (&rs6000_builtin_complaint, typenum);
|
return builtin_type_error;
|
return builtin_type_error;
|
}
|
}
|
if (negative_types[-typenum] != NULL)
|
if (negative_types[-typenum] != NULL)
|
return negative_types[-typenum];
|
return negative_types[-typenum];
|
|
|
#if TARGET_CHAR_BIT != 8
|
#if TARGET_CHAR_BIT != 8
|
#error This code wrong for TARGET_CHAR_BIT not 8
|
#error This code wrong for TARGET_CHAR_BIT not 8
|
/* These definitions all assume that TARGET_CHAR_BIT is 8. I think
|
/* These definitions all assume that TARGET_CHAR_BIT is 8. I think
|
that if that ever becomes not true, the correct fix will be to
|
that if that ever becomes not true, the correct fix will be to
|
make the size in the struct type to be in bits, not in units of
|
make the size in the struct type to be in bits, not in units of
|
TARGET_CHAR_BIT. */
|
TARGET_CHAR_BIT. */
|
#endif
|
#endif
|
|
|
switch (-typenum)
|
switch (-typenum)
|
{
|
{
|
case 1:
|
case 1:
|
/* The size of this and all the other types are fixed, defined
|
/* The size of this and all the other types are fixed, defined
|
by the debugging format. If there is a type called "int" which
|
by the debugging format. If there is a type called "int" which
|
is other than 32 bits, then it should use a new negative type
|
is other than 32 bits, then it should use a new negative type
|
number (or avoid negative type numbers for that case).
|
number (or avoid negative type numbers for that case).
|
See stabs.texinfo. */
|
See stabs.texinfo. */
|
rettype = init_type (TYPE_CODE_INT, 4, 0, "int", NULL);
|
rettype = init_type (TYPE_CODE_INT, 4, 0, "int", NULL);
|
break;
|
break;
|
case 2:
|
case 2:
|
rettype = init_type (TYPE_CODE_INT, 1, 0, "char", NULL);
|
rettype = init_type (TYPE_CODE_INT, 1, 0, "char", NULL);
|
break;
|
break;
|
case 3:
|
case 3:
|
rettype = init_type (TYPE_CODE_INT, 2, 0, "short", NULL);
|
rettype = init_type (TYPE_CODE_INT, 2, 0, "short", NULL);
|
break;
|
break;
|
case 4:
|
case 4:
|
rettype = init_type (TYPE_CODE_INT, 4, 0, "long", NULL);
|
rettype = init_type (TYPE_CODE_INT, 4, 0, "long", NULL);
|
break;
|
break;
|
case 5:
|
case 5:
|
rettype = init_type (TYPE_CODE_INT, 1, TYPE_FLAG_UNSIGNED,
|
rettype = init_type (TYPE_CODE_INT, 1, TYPE_FLAG_UNSIGNED,
|
"unsigned char", NULL);
|
"unsigned char", NULL);
|
break;
|
break;
|
case 6:
|
case 6:
|
rettype = init_type (TYPE_CODE_INT, 1, 0, "signed char", NULL);
|
rettype = init_type (TYPE_CODE_INT, 1, 0, "signed char", NULL);
|
break;
|
break;
|
case 7:
|
case 7:
|
rettype = init_type (TYPE_CODE_INT, 2, TYPE_FLAG_UNSIGNED,
|
rettype = init_type (TYPE_CODE_INT, 2, TYPE_FLAG_UNSIGNED,
|
"unsigned short", NULL);
|
"unsigned short", NULL);
|
break;
|
break;
|
case 8:
|
case 8:
|
rettype = init_type (TYPE_CODE_INT, 4, TYPE_FLAG_UNSIGNED,
|
rettype = init_type (TYPE_CODE_INT, 4, TYPE_FLAG_UNSIGNED,
|
"unsigned int", NULL);
|
"unsigned int", NULL);
|
break;
|
break;
|
case 9:
|
case 9:
|
rettype = init_type (TYPE_CODE_INT, 4, TYPE_FLAG_UNSIGNED,
|
rettype = init_type (TYPE_CODE_INT, 4, TYPE_FLAG_UNSIGNED,
|
"unsigned", NULL);
|
"unsigned", NULL);
|
case 10:
|
case 10:
|
rettype = init_type (TYPE_CODE_INT, 4, TYPE_FLAG_UNSIGNED,
|
rettype = init_type (TYPE_CODE_INT, 4, TYPE_FLAG_UNSIGNED,
|
"unsigned long", NULL);
|
"unsigned long", NULL);
|
break;
|
break;
|
case 11:
|
case 11:
|
rettype = init_type (TYPE_CODE_VOID, 1, 0, "void", NULL);
|
rettype = init_type (TYPE_CODE_VOID, 1, 0, "void", NULL);
|
break;
|
break;
|
case 12:
|
case 12:
|
/* IEEE single precision (32 bit). */
|
/* IEEE single precision (32 bit). */
|
rettype = init_type (TYPE_CODE_FLT, 4, 0, "float", NULL);
|
rettype = init_type (TYPE_CODE_FLT, 4, 0, "float", NULL);
|
break;
|
break;
|
case 13:
|
case 13:
|
/* IEEE double precision (64 bit). */
|
/* IEEE double precision (64 bit). */
|
rettype = init_type (TYPE_CODE_FLT, 8, 0, "double", NULL);
|
rettype = init_type (TYPE_CODE_FLT, 8, 0, "double", NULL);
|
break;
|
break;
|
case 14:
|
case 14:
|
/* This is an IEEE double on the RS/6000, and different machines with
|
/* This is an IEEE double on the RS/6000, and different machines with
|
different sizes for "long double" should use different negative
|
different sizes for "long double" should use different negative
|
type numbers. See stabs.texinfo. */
|
type numbers. See stabs.texinfo. */
|
rettype = init_type (TYPE_CODE_FLT, 8, 0, "long double", NULL);
|
rettype = init_type (TYPE_CODE_FLT, 8, 0, "long double", NULL);
|
break;
|
break;
|
case 15:
|
case 15:
|
rettype = init_type (TYPE_CODE_INT, 4, 0, "integer", NULL);
|
rettype = init_type (TYPE_CODE_INT, 4, 0, "integer", NULL);
|
break;
|
break;
|
case 16:
|
case 16:
|
rettype = init_type (TYPE_CODE_BOOL, 4, TYPE_FLAG_UNSIGNED,
|
rettype = init_type (TYPE_CODE_BOOL, 4, TYPE_FLAG_UNSIGNED,
|
"boolean", NULL);
|
"boolean", NULL);
|
break;
|
break;
|
case 17:
|
case 17:
|
rettype = init_type (TYPE_CODE_FLT, 4, 0, "short real", NULL);
|
rettype = init_type (TYPE_CODE_FLT, 4, 0, "short real", NULL);
|
break;
|
break;
|
case 18:
|
case 18:
|
rettype = init_type (TYPE_CODE_FLT, 8, 0, "real", NULL);
|
rettype = init_type (TYPE_CODE_FLT, 8, 0, "real", NULL);
|
break;
|
break;
|
case 19:
|
case 19:
|
rettype = init_type (TYPE_CODE_ERROR, 0, 0, "stringptr", NULL);
|
rettype = init_type (TYPE_CODE_ERROR, 0, 0, "stringptr", NULL);
|
break;
|
break;
|
case 20:
|
case 20:
|
rettype = init_type (TYPE_CODE_CHAR, 1, TYPE_FLAG_UNSIGNED,
|
rettype = init_type (TYPE_CODE_CHAR, 1, TYPE_FLAG_UNSIGNED,
|
"character", NULL);
|
"character", NULL);
|
break;
|
break;
|
case 21:
|
case 21:
|
rettype = init_type (TYPE_CODE_BOOL, 1, TYPE_FLAG_UNSIGNED,
|
rettype = init_type (TYPE_CODE_BOOL, 1, TYPE_FLAG_UNSIGNED,
|
"logical*1", NULL);
|
"logical*1", NULL);
|
break;
|
break;
|
case 22:
|
case 22:
|
rettype = init_type (TYPE_CODE_BOOL, 2, TYPE_FLAG_UNSIGNED,
|
rettype = init_type (TYPE_CODE_BOOL, 2, TYPE_FLAG_UNSIGNED,
|
"logical*2", NULL);
|
"logical*2", NULL);
|
break;
|
break;
|
case 23:
|
case 23:
|
rettype = init_type (TYPE_CODE_BOOL, 4, TYPE_FLAG_UNSIGNED,
|
rettype = init_type (TYPE_CODE_BOOL, 4, TYPE_FLAG_UNSIGNED,
|
"logical*4", NULL);
|
"logical*4", NULL);
|
break;
|
break;
|
case 24:
|
case 24:
|
rettype = init_type (TYPE_CODE_BOOL, 4, TYPE_FLAG_UNSIGNED,
|
rettype = init_type (TYPE_CODE_BOOL, 4, TYPE_FLAG_UNSIGNED,
|
"logical", NULL);
|
"logical", NULL);
|
break;
|
break;
|
case 25:
|
case 25:
|
/* Complex type consisting of two IEEE single precision values. */
|
/* Complex type consisting of two IEEE single precision values. */
|
rettype = init_type (TYPE_CODE_COMPLEX, 8, 0, "complex", NULL);
|
rettype = init_type (TYPE_CODE_COMPLEX, 8, 0, "complex", NULL);
|
break;
|
break;
|
case 26:
|
case 26:
|
/* Complex type consisting of two IEEE double precision values. */
|
/* Complex type consisting of two IEEE double precision values. */
|
rettype = init_type (TYPE_CODE_COMPLEX, 16, 0, "double complex", NULL);
|
rettype = init_type (TYPE_CODE_COMPLEX, 16, 0, "double complex", NULL);
|
break;
|
break;
|
case 27:
|
case 27:
|
rettype = init_type (TYPE_CODE_INT, 1, 0, "integer*1", NULL);
|
rettype = init_type (TYPE_CODE_INT, 1, 0, "integer*1", NULL);
|
break;
|
break;
|
case 28:
|
case 28:
|
rettype = init_type (TYPE_CODE_INT, 2, 0, "integer*2", NULL);
|
rettype = init_type (TYPE_CODE_INT, 2, 0, "integer*2", NULL);
|
break;
|
break;
|
case 29:
|
case 29:
|
rettype = init_type (TYPE_CODE_INT, 4, 0, "integer*4", NULL);
|
rettype = init_type (TYPE_CODE_INT, 4, 0, "integer*4", NULL);
|
break;
|
break;
|
case 30:
|
case 30:
|
rettype = init_type (TYPE_CODE_CHAR, 2, 0, "wchar", NULL);
|
rettype = init_type (TYPE_CODE_CHAR, 2, 0, "wchar", NULL);
|
break;
|
break;
|
case 31:
|
case 31:
|
rettype = init_type (TYPE_CODE_INT, 8, 0, "long long", NULL);
|
rettype = init_type (TYPE_CODE_INT, 8, 0, "long long", NULL);
|
break;
|
break;
|
case 32:
|
case 32:
|
rettype = init_type (TYPE_CODE_INT, 8, TYPE_FLAG_UNSIGNED,
|
rettype = init_type (TYPE_CODE_INT, 8, TYPE_FLAG_UNSIGNED,
|
"unsigned long long", NULL);
|
"unsigned long long", NULL);
|
break;
|
break;
|
case 33:
|
case 33:
|
rettype = init_type (TYPE_CODE_INT, 8, TYPE_FLAG_UNSIGNED,
|
rettype = init_type (TYPE_CODE_INT, 8, TYPE_FLAG_UNSIGNED,
|
"logical*8", NULL);
|
"logical*8", NULL);
|
break;
|
break;
|
case 34:
|
case 34:
|
rettype = init_type (TYPE_CODE_INT, 8, 0, "integer*8", NULL);
|
rettype = init_type (TYPE_CODE_INT, 8, 0, "integer*8", NULL);
|
break;
|
break;
|
}
|
}
|
negative_types[-typenum] = rettype;
|
negative_types[-typenum] = rettype;
|
return rettype;
|
return rettype;
|
}
|
}
|
|
|
/* This page contains subroutines of read_type. */
|
/* This page contains subroutines of read_type. */
|
|
|
/* Read member function stabs info for C++ classes. The form of each member
|
/* Read member function stabs info for C++ classes. The form of each member
|
function data is:
|
function data is:
|
|
|
NAME :: TYPENUM[=type definition] ARGS : PHYSNAME ;
|
NAME :: TYPENUM[=type definition] ARGS : PHYSNAME ;
|
|
|
An example with two member functions is:
|
An example with two member functions is:
|
|
|
afunc1::20=##15;:i;2A.;afunc2::20:i;2A.;
|
afunc1::20=##15;:i;2A.;afunc2::20:i;2A.;
|
|
|
For the case of overloaded operators, the format is op$::*.funcs, where
|
For the case of overloaded operators, the format is op$::*.funcs, where
|
$ is the CPLUS_MARKER (usually '$'), `*' holds the place for an operator
|
$ is the CPLUS_MARKER (usually '$'), `*' holds the place for an operator
|
name (such as `+=') and `.' marks the end of the operator name.
|
name (such as `+=') and `.' marks the end of the operator name.
|
|
|
Returns 1 for success, 0 for failure. */
|
Returns 1 for success, 0 for failure. */
|
|
|
static int
|
static int
|
read_member_functions (fip, pp, type, objfile)
|
read_member_functions (fip, pp, type, objfile)
|
struct field_info *fip;
|
struct field_info *fip;
|
char **pp;
|
char **pp;
|
struct type *type;
|
struct type *type;
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
int nfn_fields = 0;
|
int nfn_fields = 0;
|
int length = 0;
|
int length = 0;
|
/* Total number of member functions defined in this class. If the class
|
/* Total number of member functions defined in this class. If the class
|
defines two `f' functions, and one `g' function, then this will have
|
defines two `f' functions, and one `g' function, then this will have
|
the value 3. */
|
the value 3. */
|
int total_length = 0;
|
int total_length = 0;
|
int i;
|
int i;
|
struct next_fnfield
|
struct next_fnfield
|
{
|
{
|
struct next_fnfield *next;
|
struct next_fnfield *next;
|
struct fn_field fn_field;
|
struct fn_field fn_field;
|
}
|
}
|
*sublist;
|
*sublist;
|
struct type *look_ahead_type;
|
struct type *look_ahead_type;
|
struct next_fnfieldlist *new_fnlist;
|
struct next_fnfieldlist *new_fnlist;
|
struct next_fnfield *new_sublist;
|
struct next_fnfield *new_sublist;
|
char *main_fn_name;
|
char *main_fn_name;
|
register char *p;
|
register char *p;
|
|
|
/* Process each list until we find something that is not a member function
|
/* Process each list until we find something that is not a member function
|
or find the end of the functions. */
|
or find the end of the functions. */
|
|
|
while (**pp != ';')
|
while (**pp != ';')
|
{
|
{
|
/* We should be positioned at the start of the function name.
|
/* We should be positioned at the start of the function name.
|
Scan forward to find the first ':' and if it is not the
|
Scan forward to find the first ':' and if it is not the
|
first of a "::" delimiter, then this is not a member function. */
|
first of a "::" delimiter, then this is not a member function. */
|
p = *pp;
|
p = *pp;
|
while (*p != ':')
|
while (*p != ':')
|
{
|
{
|
p++;
|
p++;
|
}
|
}
|
if (p[1] != ':')
|
if (p[1] != ':')
|
{
|
{
|
break;
|
break;
|
}
|
}
|
|
|
sublist = NULL;
|
sublist = NULL;
|
look_ahead_type = NULL;
|
look_ahead_type = NULL;
|
length = 0;
|
length = 0;
|
|
|
new_fnlist = (struct next_fnfieldlist *)
|
new_fnlist = (struct next_fnfieldlist *)
|
xmalloc (sizeof (struct next_fnfieldlist));
|
xmalloc (sizeof (struct next_fnfieldlist));
|
make_cleanup (free, new_fnlist);
|
make_cleanup (free, new_fnlist);
|
memset (new_fnlist, 0, sizeof (struct next_fnfieldlist));
|
memset (new_fnlist, 0, sizeof (struct next_fnfieldlist));
|
|
|
if ((*pp)[0] == 'o' && (*pp)[1] == 'p' && is_cplus_marker ((*pp)[2]))
|
if ((*pp)[0] == 'o' && (*pp)[1] == 'p' && is_cplus_marker ((*pp)[2]))
|
{
|
{
|
/* This is a completely wierd case. In order to stuff in the
|
/* This is a completely wierd case. In order to stuff in the
|
names that might contain colons (the usual name delimiter),
|
names that might contain colons (the usual name delimiter),
|
Mike Tiemann defined a different name format which is
|
Mike Tiemann defined a different name format which is
|
signalled if the identifier is "op$". In that case, the
|
signalled if the identifier is "op$". In that case, the
|
format is "op$::XXXX." where XXXX is the name. This is
|
format is "op$::XXXX." where XXXX is the name. This is
|
used for names like "+" or "=". YUUUUUUUK! FIXME! */
|
used for names like "+" or "=". YUUUUUUUK! FIXME! */
|
/* This lets the user type "break operator+".
|
/* This lets the user type "break operator+".
|
We could just put in "+" as the name, but that wouldn't
|
We could just put in "+" as the name, but that wouldn't
|
work for "*". */
|
work for "*". */
|
static char opname[32] =
|
static char opname[32] =
|
{'o', 'p', CPLUS_MARKER};
|
{'o', 'p', CPLUS_MARKER};
|
char *o = opname + 3;
|
char *o = opname + 3;
|
|
|
/* Skip past '::'. */
|
/* Skip past '::'. */
|
*pp = p + 2;
|
*pp = p + 2;
|
|
|
STABS_CONTINUE (pp, objfile);
|
STABS_CONTINUE (pp, objfile);
|
p = *pp;
|
p = *pp;
|
while (*p != '.')
|
while (*p != '.')
|
{
|
{
|
*o++ = *p++;
|
*o++ = *p++;
|
}
|
}
|
main_fn_name = savestring (opname, o - opname);
|
main_fn_name = savestring (opname, o - opname);
|
/* Skip past '.' */
|
/* Skip past '.' */
|
*pp = p + 1;
|
*pp = p + 1;
|
}
|
}
|
else
|
else
|
{
|
{
|
main_fn_name = savestring (*pp, p - *pp);
|
main_fn_name = savestring (*pp, p - *pp);
|
/* Skip past '::'. */
|
/* Skip past '::'. */
|
*pp = p + 2;
|
*pp = p + 2;
|
}
|
}
|
new_fnlist->fn_fieldlist.name = main_fn_name;
|
new_fnlist->fn_fieldlist.name = main_fn_name;
|
|
|
do
|
do
|
{
|
{
|
new_sublist =
|
new_sublist =
|
(struct next_fnfield *) xmalloc (sizeof (struct next_fnfield));
|
(struct next_fnfield *) xmalloc (sizeof (struct next_fnfield));
|
make_cleanup (free, new_sublist);
|
make_cleanup (free, new_sublist);
|
memset (new_sublist, 0, sizeof (struct next_fnfield));
|
memset (new_sublist, 0, sizeof (struct next_fnfield));
|
|
|
/* Check for and handle cretinous dbx symbol name continuation! */
|
/* Check for and handle cretinous dbx symbol name continuation! */
|
if (look_ahead_type == NULL)
|
if (look_ahead_type == NULL)
|
{
|
{
|
/* Normal case. */
|
/* Normal case. */
|
STABS_CONTINUE (pp, objfile);
|
STABS_CONTINUE (pp, objfile);
|
|
|
new_sublist->fn_field.type = read_type (pp, objfile);
|
new_sublist->fn_field.type = read_type (pp, objfile);
|
if (**pp != ':')
|
if (**pp != ':')
|
{
|
{
|
/* Invalid symtab info for member function. */
|
/* Invalid symtab info for member function. */
|
return 0;
|
return 0;
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
/* g++ version 1 kludge */
|
/* g++ version 1 kludge */
|
new_sublist->fn_field.type = look_ahead_type;
|
new_sublist->fn_field.type = look_ahead_type;
|
look_ahead_type = NULL;
|
look_ahead_type = NULL;
|
}
|
}
|
|
|
(*pp)++;
|
(*pp)++;
|
p = *pp;
|
p = *pp;
|
while (*p != ';')
|
while (*p != ';')
|
{
|
{
|
p++;
|
p++;
|
}
|
}
|
|
|
/* If this is just a stub, then we don't have the real name here. */
|
/* If this is just a stub, then we don't have the real name here. */
|
|
|
if (TYPE_FLAGS (new_sublist->fn_field.type) & TYPE_FLAG_STUB)
|
if (TYPE_FLAGS (new_sublist->fn_field.type) & TYPE_FLAG_STUB)
|
{
|
{
|
if (!TYPE_DOMAIN_TYPE (new_sublist->fn_field.type))
|
if (!TYPE_DOMAIN_TYPE (new_sublist->fn_field.type))
|
TYPE_DOMAIN_TYPE (new_sublist->fn_field.type) = type;
|
TYPE_DOMAIN_TYPE (new_sublist->fn_field.type) = type;
|
new_sublist->fn_field.is_stub = 1;
|
new_sublist->fn_field.is_stub = 1;
|
}
|
}
|
new_sublist->fn_field.physname = savestring (*pp, p - *pp);
|
new_sublist->fn_field.physname = savestring (*pp, p - *pp);
|
*pp = p + 1;
|
*pp = p + 1;
|
|
|
/* Set this member function's visibility fields. */
|
/* Set this member function's visibility fields. */
|
switch (*(*pp)++)
|
switch (*(*pp)++)
|
{
|
{
|
case VISIBILITY_PRIVATE:
|
case VISIBILITY_PRIVATE:
|
new_sublist->fn_field.is_private = 1;
|
new_sublist->fn_field.is_private = 1;
|
break;
|
break;
|
case VISIBILITY_PROTECTED:
|
case VISIBILITY_PROTECTED:
|
new_sublist->fn_field.is_protected = 1;
|
new_sublist->fn_field.is_protected = 1;
|
break;
|
break;
|
}
|
}
|
|
|
STABS_CONTINUE (pp, objfile);
|
STABS_CONTINUE (pp, objfile);
|
switch (**pp)
|
switch (**pp)
|
{
|
{
|
case 'A': /* Normal functions. */
|
case 'A': /* Normal functions. */
|
new_sublist->fn_field.is_const = 0;
|
new_sublist->fn_field.is_const = 0;
|
new_sublist->fn_field.is_volatile = 0;
|
new_sublist->fn_field.is_volatile = 0;
|
(*pp)++;
|
(*pp)++;
|
break;
|
break;
|
case 'B': /* `const' member functions. */
|
case 'B': /* `const' member functions. */
|
new_sublist->fn_field.is_const = 1;
|
new_sublist->fn_field.is_const = 1;
|
new_sublist->fn_field.is_volatile = 0;
|
new_sublist->fn_field.is_volatile = 0;
|
(*pp)++;
|
(*pp)++;
|
break;
|
break;
|
case 'C': /* `volatile' member function. */
|
case 'C': /* `volatile' member function. */
|
new_sublist->fn_field.is_const = 0;
|
new_sublist->fn_field.is_const = 0;
|
new_sublist->fn_field.is_volatile = 1;
|
new_sublist->fn_field.is_volatile = 1;
|
(*pp)++;
|
(*pp)++;
|
break;
|
break;
|
case 'D': /* `const volatile' member function. */
|
case 'D': /* `const volatile' member function. */
|
new_sublist->fn_field.is_const = 1;
|
new_sublist->fn_field.is_const = 1;
|
new_sublist->fn_field.is_volatile = 1;
|
new_sublist->fn_field.is_volatile = 1;
|
(*pp)++;
|
(*pp)++;
|
break;
|
break;
|
case '*': /* File compiled with g++ version 1 -- no info */
|
case '*': /* File compiled with g++ version 1 -- no info */
|
case '?':
|
case '?':
|
case '.':
|
case '.':
|
break;
|
break;
|
default:
|
default:
|
complain (&const_vol_complaint, **pp);
|
complain (&const_vol_complaint, **pp);
|
break;
|
break;
|
}
|
}
|
|
|
switch (*(*pp)++)
|
switch (*(*pp)++)
|
{
|
{
|
case '*':
|
case '*':
|
{
|
{
|
int nbits;
|
int nbits;
|
/* virtual member function, followed by index.
|
/* virtual member function, followed by index.
|
The sign bit is set to distinguish pointers-to-methods
|
The sign bit is set to distinguish pointers-to-methods
|
from virtual function indicies. Since the array is
|
from virtual function indicies. Since the array is
|
in words, the quantity must be shifted left by 1
|
in words, the quantity must be shifted left by 1
|
on 16 bit machine, and by 2 on 32 bit machine, forcing
|
on 16 bit machine, and by 2 on 32 bit machine, forcing
|
the sign bit out, and usable as a valid index into
|
the sign bit out, and usable as a valid index into
|
the array. Remove the sign bit here. */
|
the array. Remove the sign bit here. */
|
new_sublist->fn_field.voffset =
|
new_sublist->fn_field.voffset =
|
(0x7fffffff & read_huge_number (pp, ';', &nbits)) + 2;
|
(0x7fffffff & read_huge_number (pp, ';', &nbits)) + 2;
|
if (nbits != 0)
|
if (nbits != 0)
|
return 0;
|
return 0;
|
|
|
STABS_CONTINUE (pp, objfile);
|
STABS_CONTINUE (pp, objfile);
|
if (**pp == ';' || **pp == '\0')
|
if (**pp == ';' || **pp == '\0')
|
{
|
{
|
/* Must be g++ version 1. */
|
/* Must be g++ version 1. */
|
new_sublist->fn_field.fcontext = 0;
|
new_sublist->fn_field.fcontext = 0;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Figure out from whence this virtual function came.
|
/* Figure out from whence this virtual function came.
|
It may belong to virtual function table of
|
It may belong to virtual function table of
|
one of its baseclasses. */
|
one of its baseclasses. */
|
look_ahead_type = read_type (pp, objfile);
|
look_ahead_type = read_type (pp, objfile);
|
if (**pp == ':')
|
if (**pp == ':')
|
{
|
{
|
/* g++ version 1 overloaded methods. */
|
/* g++ version 1 overloaded methods. */
|
}
|
}
|
else
|
else
|
{
|
{
|
new_sublist->fn_field.fcontext = look_ahead_type;
|
new_sublist->fn_field.fcontext = look_ahead_type;
|
if (**pp != ';')
|
if (**pp != ';')
|
{
|
{
|
return 0;
|
return 0;
|
}
|
}
|
else
|
else
|
{
|
{
|
++*pp;
|
++*pp;
|
}
|
}
|
look_ahead_type = NULL;
|
look_ahead_type = NULL;
|
}
|
}
|
}
|
}
|
break;
|
break;
|
}
|
}
|
case '?':
|
case '?':
|
/* static member function. */
|
/* static member function. */
|
new_sublist->fn_field.voffset = VOFFSET_STATIC;
|
new_sublist->fn_field.voffset = VOFFSET_STATIC;
|
if (strncmp (new_sublist->fn_field.physname,
|
if (strncmp (new_sublist->fn_field.physname,
|
main_fn_name, strlen (main_fn_name)))
|
main_fn_name, strlen (main_fn_name)))
|
{
|
{
|
new_sublist->fn_field.is_stub = 1;
|
new_sublist->fn_field.is_stub = 1;
|
}
|
}
|
break;
|
break;
|
|
|
default:
|
default:
|
/* error */
|
/* error */
|
complain (&member_fn_complaint, (*pp)[-1]);
|
complain (&member_fn_complaint, (*pp)[-1]);
|
/* Fall through into normal member function. */
|
/* Fall through into normal member function. */
|
|
|
case '.':
|
case '.':
|
/* normal member function. */
|
/* normal member function. */
|
new_sublist->fn_field.voffset = 0;
|
new_sublist->fn_field.voffset = 0;
|
new_sublist->fn_field.fcontext = 0;
|
new_sublist->fn_field.fcontext = 0;
|
break;
|
break;
|
}
|
}
|
|
|
new_sublist->next = sublist;
|
new_sublist->next = sublist;
|
sublist = new_sublist;
|
sublist = new_sublist;
|
length++;
|
length++;
|
STABS_CONTINUE (pp, objfile);
|
STABS_CONTINUE (pp, objfile);
|
}
|
}
|
while (**pp != ';' && **pp != '\0');
|
while (**pp != ';' && **pp != '\0');
|
|
|
(*pp)++;
|
(*pp)++;
|
|
|
new_fnlist->fn_fieldlist.fn_fields = (struct fn_field *)
|
new_fnlist->fn_fieldlist.fn_fields = (struct fn_field *)
|
obstack_alloc (&objfile->type_obstack,
|
obstack_alloc (&objfile->type_obstack,
|
sizeof (struct fn_field) * length);
|
sizeof (struct fn_field) * length);
|
memset (new_fnlist->fn_fieldlist.fn_fields, 0,
|
memset (new_fnlist->fn_fieldlist.fn_fields, 0,
|
sizeof (struct fn_field) * length);
|
sizeof (struct fn_field) * length);
|
for (i = length; (i--, sublist); sublist = sublist->next)
|
for (i = length; (i--, sublist); sublist = sublist->next)
|
{
|
{
|
new_fnlist->fn_fieldlist.fn_fields[i] = sublist->fn_field;
|
new_fnlist->fn_fieldlist.fn_fields[i] = sublist->fn_field;
|
}
|
}
|
|
|
new_fnlist->fn_fieldlist.length = length;
|
new_fnlist->fn_fieldlist.length = length;
|
new_fnlist->next = fip->fnlist;
|
new_fnlist->next = fip->fnlist;
|
fip->fnlist = new_fnlist;
|
fip->fnlist = new_fnlist;
|
nfn_fields++;
|
nfn_fields++;
|
total_length += length;
|
total_length += length;
|
STABS_CONTINUE (pp, objfile);
|
STABS_CONTINUE (pp, objfile);
|
}
|
}
|
|
|
if (nfn_fields)
|
if (nfn_fields)
|
{
|
{
|
ALLOCATE_CPLUS_STRUCT_TYPE (type);
|
ALLOCATE_CPLUS_STRUCT_TYPE (type);
|
TYPE_FN_FIELDLISTS (type) = (struct fn_fieldlist *)
|
TYPE_FN_FIELDLISTS (type) = (struct fn_fieldlist *)
|
TYPE_ALLOC (type, sizeof (struct fn_fieldlist) * nfn_fields);
|
TYPE_ALLOC (type, sizeof (struct fn_fieldlist) * nfn_fields);
|
memset (TYPE_FN_FIELDLISTS (type), 0,
|
memset (TYPE_FN_FIELDLISTS (type), 0,
|
sizeof (struct fn_fieldlist) * nfn_fields);
|
sizeof (struct fn_fieldlist) * nfn_fields);
|
TYPE_NFN_FIELDS (type) = nfn_fields;
|
TYPE_NFN_FIELDS (type) = nfn_fields;
|
TYPE_NFN_FIELDS_TOTAL (type) = total_length;
|
TYPE_NFN_FIELDS_TOTAL (type) = total_length;
|
}
|
}
|
|
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/* Special GNU C++ name.
|
/* Special GNU C++ name.
|
|
|
Returns 1 for success, 0 for failure. "failure" means that we can't
|
Returns 1 for success, 0 for failure. "failure" means that we can't
|
keep parsing and it's time for error_type(). */
|
keep parsing and it's time for error_type(). */
|
|
|
static int
|
static int
|
read_cpp_abbrev (fip, pp, type, objfile)
|
read_cpp_abbrev (fip, pp, type, objfile)
|
struct field_info *fip;
|
struct field_info *fip;
|
char **pp;
|
char **pp;
|
struct type *type;
|
struct type *type;
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
register char *p;
|
register char *p;
|
char *name;
|
char *name;
|
char cpp_abbrev;
|
char cpp_abbrev;
|
struct type *context;
|
struct type *context;
|
|
|
p = *pp;
|
p = *pp;
|
if (*++p == 'v')
|
if (*++p == 'v')
|
{
|
{
|
name = NULL;
|
name = NULL;
|
cpp_abbrev = *++p;
|
cpp_abbrev = *++p;
|
|
|
*pp = p + 1;
|
*pp = p + 1;
|
|
|
/* At this point, *pp points to something like "22:23=*22...",
|
/* At this point, *pp points to something like "22:23=*22...",
|
where the type number before the ':' is the "context" and
|
where the type number before the ':' is the "context" and
|
everything after is a regular type definition. Lookup the
|
everything after is a regular type definition. Lookup the
|
type, find it's name, and construct the field name. */
|
type, find it's name, and construct the field name. */
|
|
|
context = read_type (pp, objfile);
|
context = read_type (pp, objfile);
|
|
|
switch (cpp_abbrev)
|
switch (cpp_abbrev)
|
{
|
{
|
case 'f': /* $vf -- a virtual function table pointer */
|
case 'f': /* $vf -- a virtual function table pointer */
|
fip->list->field.name =
|
fip->list->field.name =
|
obconcat (&objfile->type_obstack, vptr_name, "", "");
|
obconcat (&objfile->type_obstack, vptr_name, "", "");
|
break;
|
break;
|
|
|
case 'b': /* $vb -- a virtual bsomethingorother */
|
case 'b': /* $vb -- a virtual bsomethingorother */
|
name = type_name_no_tag (context);
|
name = type_name_no_tag (context);
|
if (name == NULL)
|
if (name == NULL)
|
{
|
{
|
complain (&invalid_cpp_type_complaint, symnum);
|
complain (&invalid_cpp_type_complaint, symnum);
|
name = "FOO";
|
name = "FOO";
|
}
|
}
|
fip->list->field.name =
|
fip->list->field.name =
|
obconcat (&objfile->type_obstack, vb_name, name, "");
|
obconcat (&objfile->type_obstack, vb_name, name, "");
|
break;
|
break;
|
|
|
default:
|
default:
|
complain (&invalid_cpp_abbrev_complaint, *pp);
|
complain (&invalid_cpp_abbrev_complaint, *pp);
|
fip->list->field.name =
|
fip->list->field.name =
|
obconcat (&objfile->type_obstack,
|
obconcat (&objfile->type_obstack,
|
"INVALID_CPLUSPLUS_ABBREV", "", "");
|
"INVALID_CPLUSPLUS_ABBREV", "", "");
|
break;
|
break;
|
}
|
}
|
|
|
/* At this point, *pp points to the ':'. Skip it and read the
|
/* At this point, *pp points to the ':'. Skip it and read the
|
field type. */
|
field type. */
|
|
|
p = ++(*pp);
|
p = ++(*pp);
|
if (p[-1] != ':')
|
if (p[-1] != ':')
|
{
|
{
|
complain (&invalid_cpp_abbrev_complaint, *pp);
|
complain (&invalid_cpp_abbrev_complaint, *pp);
|
return 0;
|
return 0;
|
}
|
}
|
fip->list->field.type = read_type (pp, objfile);
|
fip->list->field.type = read_type (pp, objfile);
|
if (**pp == ',')
|
if (**pp == ',')
|
(*pp)++; /* Skip the comma. */
|
(*pp)++; /* Skip the comma. */
|
else
|
else
|
return 0;
|
return 0;
|
|
|
{
|
{
|
int nbits;
|
int nbits;
|
FIELD_BITPOS (fip->list->field) = read_huge_number (pp, ';', &nbits);
|
FIELD_BITPOS (fip->list->field) = read_huge_number (pp, ';', &nbits);
|
if (nbits != 0)
|
if (nbits != 0)
|
return 0;
|
return 0;
|
}
|
}
|
/* This field is unpacked. */
|
/* This field is unpacked. */
|
FIELD_BITSIZE (fip->list->field) = 0;
|
FIELD_BITSIZE (fip->list->field) = 0;
|
fip->list->visibility = VISIBILITY_PRIVATE;
|
fip->list->visibility = VISIBILITY_PRIVATE;
|
}
|
}
|
else
|
else
|
{
|
{
|
complain (&invalid_cpp_abbrev_complaint, *pp);
|
complain (&invalid_cpp_abbrev_complaint, *pp);
|
/* We have no idea what syntax an unrecognized abbrev would have, so
|
/* We have no idea what syntax an unrecognized abbrev would have, so
|
better return 0. If we returned 1, we would need to at least advance
|
better return 0. If we returned 1, we would need to at least advance
|
*pp to avoid an infinite loop. */
|
*pp to avoid an infinite loop. */
|
return 0;
|
return 0;
|
}
|
}
|
return 1;
|
return 1;
|
}
|
}
|
|
|
static void
|
static void
|
read_one_struct_field (fip, pp, p, type, objfile)
|
read_one_struct_field (fip, pp, p, type, objfile)
|
struct field_info *fip;
|
struct field_info *fip;
|
char **pp;
|
char **pp;
|
char *p;
|
char *p;
|
struct type *type;
|
struct type *type;
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
/* The following is code to work around cfront generated stabs.
|
/* The following is code to work around cfront generated stabs.
|
The stabs contains full mangled name for each field.
|
The stabs contains full mangled name for each field.
|
We try to demangle the name and extract the field name out of it.
|
We try to demangle the name and extract the field name out of it.
|
*/
|
*/
|
if (ARM_DEMANGLING && current_subfile->language == language_cplus)
|
if (ARM_DEMANGLING && current_subfile->language == language_cplus)
|
{
|
{
|
char save_p;
|
char save_p;
|
char *dem, *dem_p;
|
char *dem, *dem_p;
|
save_p = *p;
|
save_p = *p;
|
*p = '\0';
|
*p = '\0';
|
dem = cplus_demangle (*pp, DMGL_ANSI | DMGL_PARAMS);
|
dem = cplus_demangle (*pp, DMGL_ANSI | DMGL_PARAMS);
|
if (dem != NULL)
|
if (dem != NULL)
|
{
|
{
|
dem_p = strrchr (dem, ':');
|
dem_p = strrchr (dem, ':');
|
if (dem_p != 0 && *(dem_p - 1) == ':')
|
if (dem_p != 0 && *(dem_p - 1) == ':')
|
dem_p++;
|
dem_p++;
|
FIELD_NAME (fip->list->field) =
|
FIELD_NAME (fip->list->field) =
|
obsavestring (dem_p, strlen (dem_p), &objfile->type_obstack);
|
obsavestring (dem_p, strlen (dem_p), &objfile->type_obstack);
|
}
|
}
|
else
|
else
|
{
|
{
|
FIELD_NAME (fip->list->field) =
|
FIELD_NAME (fip->list->field) =
|
obsavestring (*pp, p - *pp, &objfile->type_obstack);
|
obsavestring (*pp, p - *pp, &objfile->type_obstack);
|
}
|
}
|
*p = save_p;
|
*p = save_p;
|
}
|
}
|
/* end of code for cfront work around */
|
/* end of code for cfront work around */
|
|
|
else
|
else
|
fip->list->field.name =
|
fip->list->field.name =
|
obsavestring (*pp, p - *pp, &objfile->type_obstack);
|
obsavestring (*pp, p - *pp, &objfile->type_obstack);
|
*pp = p + 1;
|
*pp = p + 1;
|
|
|
/* This means we have a visibility for a field coming. */
|
/* This means we have a visibility for a field coming. */
|
if (**pp == '/')
|
if (**pp == '/')
|
{
|
{
|
(*pp)++;
|
(*pp)++;
|
fip->list->visibility = *(*pp)++;
|
fip->list->visibility = *(*pp)++;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* normal dbx-style format, no explicit visibility */
|
/* normal dbx-style format, no explicit visibility */
|
fip->list->visibility = VISIBILITY_PUBLIC;
|
fip->list->visibility = VISIBILITY_PUBLIC;
|
}
|
}
|
|
|
fip->list->field.type = read_type (pp, objfile);
|
fip->list->field.type = read_type (pp, objfile);
|
if (**pp == ':')
|
if (**pp == ':')
|
{
|
{
|
p = ++(*pp);
|
p = ++(*pp);
|
#if 0
|
#if 0
|
/* Possible future hook for nested types. */
|
/* Possible future hook for nested types. */
|
if (**pp == '!')
|
if (**pp == '!')
|
{
|
{
|
fip->list->field.bitpos = (long) -2; /* nested type */
|
fip->list->field.bitpos = (long) -2; /* nested type */
|
p = ++(*pp);
|
p = ++(*pp);
|
}
|
}
|
else
|
else
|
...;
|
...;
|
#endif
|
#endif
|
while (*p != ';')
|
while (*p != ';')
|
{
|
{
|
p++;
|
p++;
|
}
|
}
|
/* Static class member. */
|
/* Static class member. */
|
SET_FIELD_PHYSNAME (fip->list->field, savestring (*pp, p - *pp));
|
SET_FIELD_PHYSNAME (fip->list->field, savestring (*pp, p - *pp));
|
*pp = p + 1;
|
*pp = p + 1;
|
return;
|
return;
|
}
|
}
|
else if (**pp != ',')
|
else if (**pp != ',')
|
{
|
{
|
/* Bad structure-type format. */
|
/* Bad structure-type format. */
|
complain (&stabs_general_complaint, "bad structure-type format");
|
complain (&stabs_general_complaint, "bad structure-type format");
|
return;
|
return;
|
}
|
}
|
|
|
(*pp)++; /* Skip the comma. */
|
(*pp)++; /* Skip the comma. */
|
|
|
{
|
{
|
int nbits;
|
int nbits;
|
FIELD_BITPOS (fip->list->field) = read_huge_number (pp, ',', &nbits);
|
FIELD_BITPOS (fip->list->field) = read_huge_number (pp, ',', &nbits);
|
if (nbits != 0)
|
if (nbits != 0)
|
{
|
{
|
complain (&stabs_general_complaint, "bad structure-type format");
|
complain (&stabs_general_complaint, "bad structure-type format");
|
return;
|
return;
|
}
|
}
|
FIELD_BITSIZE (fip->list->field) = read_huge_number (pp, ';', &nbits);
|
FIELD_BITSIZE (fip->list->field) = read_huge_number (pp, ';', &nbits);
|
if (nbits != 0)
|
if (nbits != 0)
|
{
|
{
|
complain (&stabs_general_complaint, "bad structure-type format");
|
complain (&stabs_general_complaint, "bad structure-type format");
|
return;
|
return;
|
}
|
}
|
}
|
}
|
|
|
if (FIELD_BITPOS (fip->list->field) == 0
|
if (FIELD_BITPOS (fip->list->field) == 0
|
&& FIELD_BITSIZE (fip->list->field) == 0)
|
&& FIELD_BITSIZE (fip->list->field) == 0)
|
{
|
{
|
/* This can happen in two cases: (1) at least for gcc 2.4.5 or so,
|
/* This can happen in two cases: (1) at least for gcc 2.4.5 or so,
|
it is a field which has been optimized out. The correct stab for
|
it is a field which has been optimized out. The correct stab for
|
this case is to use VISIBILITY_IGNORE, but that is a recent
|
this case is to use VISIBILITY_IGNORE, but that is a recent
|
invention. (2) It is a 0-size array. For example
|
invention. (2) It is a 0-size array. For example
|
union { int num; char str[0]; } foo. Printing "<no value>" for
|
union { int num; char str[0]; } foo. Printing "<no value>" for
|
str in "p foo" is OK, since foo.str (and thus foo.str[3])
|
str in "p foo" is OK, since foo.str (and thus foo.str[3])
|
will continue to work, and a 0-size array as a whole doesn't
|
will continue to work, and a 0-size array as a whole doesn't
|
have any contents to print.
|
have any contents to print.
|
|
|
I suspect this probably could also happen with gcc -gstabs (not
|
I suspect this probably could also happen with gcc -gstabs (not
|
-gstabs+) for static fields, and perhaps other C++ extensions.
|
-gstabs+) for static fields, and perhaps other C++ extensions.
|
Hopefully few people use -gstabs with gdb, since it is intended
|
Hopefully few people use -gstabs with gdb, since it is intended
|
for dbx compatibility. */
|
for dbx compatibility. */
|
|
|
/* Ignore this field. */
|
/* Ignore this field. */
|
fip->list->visibility = VISIBILITY_IGNORE;
|
fip->list->visibility = VISIBILITY_IGNORE;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Detect an unpacked field and mark it as such.
|
/* Detect an unpacked field and mark it as such.
|
dbx gives a bit size for all fields.
|
dbx gives a bit size for all fields.
|
Note that forward refs cannot be packed,
|
Note that forward refs cannot be packed,
|
and treat enums as if they had the width of ints. */
|
and treat enums as if they had the width of ints. */
|
|
|
struct type *field_type = check_typedef (FIELD_TYPE (fip->list->field));
|
struct type *field_type = check_typedef (FIELD_TYPE (fip->list->field));
|
|
|
if (TYPE_CODE (field_type) != TYPE_CODE_INT
|
if (TYPE_CODE (field_type) != TYPE_CODE_INT
|
&& TYPE_CODE (field_type) != TYPE_CODE_RANGE
|
&& TYPE_CODE (field_type) != TYPE_CODE_RANGE
|
&& TYPE_CODE (field_type) != TYPE_CODE_BOOL
|
&& TYPE_CODE (field_type) != TYPE_CODE_BOOL
|
&& TYPE_CODE (field_type) != TYPE_CODE_ENUM)
|
&& TYPE_CODE (field_type) != TYPE_CODE_ENUM)
|
{
|
{
|
FIELD_BITSIZE (fip->list->field) = 0;
|
FIELD_BITSIZE (fip->list->field) = 0;
|
}
|
}
|
if ((FIELD_BITSIZE (fip->list->field)
|
if ((FIELD_BITSIZE (fip->list->field)
|
== TARGET_CHAR_BIT * TYPE_LENGTH (field_type)
|
== TARGET_CHAR_BIT * TYPE_LENGTH (field_type)
|
|| (TYPE_CODE (field_type) == TYPE_CODE_ENUM
|
|| (TYPE_CODE (field_type) == TYPE_CODE_ENUM
|
&& FIELD_BITSIZE (fip->list->field) == TARGET_INT_BIT)
|
&& FIELD_BITSIZE (fip->list->field) == TARGET_INT_BIT)
|
)
|
)
|
&&
|
&&
|
FIELD_BITPOS (fip->list->field) % 8 == 0)
|
FIELD_BITPOS (fip->list->field) % 8 == 0)
|
{
|
{
|
FIELD_BITSIZE (fip->list->field) = 0;
|
FIELD_BITSIZE (fip->list->field) = 0;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
|
|
/* Read struct or class data fields. They have the form:
|
/* Read struct or class data fields. They have the form:
|
|
|
NAME : [VISIBILITY] TYPENUM , BITPOS , BITSIZE ;
|
NAME : [VISIBILITY] TYPENUM , BITPOS , BITSIZE ;
|
|
|
At the end, we see a semicolon instead of a field.
|
At the end, we see a semicolon instead of a field.
|
|
|
In C++, this may wind up being NAME:?TYPENUM:PHYSNAME; for
|
In C++, this may wind up being NAME:?TYPENUM:PHYSNAME; for
|
a static field.
|
a static field.
|
|
|
The optional VISIBILITY is one of:
|
The optional VISIBILITY is one of:
|
|
|
'/0' (VISIBILITY_PRIVATE)
|
'/0' (VISIBILITY_PRIVATE)
|
'/1' (VISIBILITY_PROTECTED)
|
'/1' (VISIBILITY_PROTECTED)
|
'/2' (VISIBILITY_PUBLIC)
|
'/2' (VISIBILITY_PUBLIC)
|
'/9' (VISIBILITY_IGNORE)
|
'/9' (VISIBILITY_IGNORE)
|
|
|
or nothing, for C style fields with public visibility.
|
or nothing, for C style fields with public visibility.
|
|
|
Returns 1 for success, 0 for failure. */
|
Returns 1 for success, 0 for failure. */
|
|
|
static int
|
static int
|
read_struct_fields (fip, pp, type, objfile)
|
read_struct_fields (fip, pp, type, objfile)
|
struct field_info *fip;
|
struct field_info *fip;
|
char **pp;
|
char **pp;
|
struct type *type;
|
struct type *type;
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
register char *p;
|
register char *p;
|
struct nextfield *new;
|
struct nextfield *new;
|
|
|
/* We better set p right now, in case there are no fields at all... */
|
/* We better set p right now, in case there are no fields at all... */
|
|
|
p = *pp;
|
p = *pp;
|
|
|
/* Read each data member type until we find the terminating ';' at the end of
|
/* Read each data member type until we find the terminating ';' at the end of
|
the data member list, or break for some other reason such as finding the
|
the data member list, or break for some other reason such as finding the
|
start of the member function list. */
|
start of the member function list. */
|
|
|
while (**pp != ';')
|
while (**pp != ';')
|
{
|
{
|
if (os9k_stabs && **pp == ',')
|
if (os9k_stabs && **pp == ',')
|
break;
|
break;
|
STABS_CONTINUE (pp, objfile);
|
STABS_CONTINUE (pp, objfile);
|
/* Get space to record the next field's data. */
|
/* Get space to record the next field's data. */
|
new = (struct nextfield *) xmalloc (sizeof (struct nextfield));
|
new = (struct nextfield *) xmalloc (sizeof (struct nextfield));
|
make_cleanup (free, new);
|
make_cleanup (free, new);
|
memset (new, 0, sizeof (struct nextfield));
|
memset (new, 0, sizeof (struct nextfield));
|
new->next = fip->list;
|
new->next = fip->list;
|
fip->list = new;
|
fip->list = new;
|
|
|
/* Get the field name. */
|
/* Get the field name. */
|
p = *pp;
|
p = *pp;
|
|
|
/* If is starts with CPLUS_MARKER it is a special abbreviation,
|
/* If is starts with CPLUS_MARKER it is a special abbreviation,
|
unless the CPLUS_MARKER is followed by an underscore, in
|
unless the CPLUS_MARKER is followed by an underscore, in
|
which case it is just the name of an anonymous type, which we
|
which case it is just the name of an anonymous type, which we
|
should handle like any other type name. */
|
should handle like any other type name. */
|
|
|
if (is_cplus_marker (p[0]) && p[1] != '_')
|
if (is_cplus_marker (p[0]) && p[1] != '_')
|
{
|
{
|
if (!read_cpp_abbrev (fip, pp, type, objfile))
|
if (!read_cpp_abbrev (fip, pp, type, objfile))
|
return 0;
|
return 0;
|
continue;
|
continue;
|
}
|
}
|
|
|
/* Look for the ':' that separates the field name from the field
|
/* Look for the ':' that separates the field name from the field
|
values. Data members are delimited by a single ':', while member
|
values. Data members are delimited by a single ':', while member
|
functions are delimited by a pair of ':'s. When we hit the member
|
functions are delimited by a pair of ':'s. When we hit the member
|
functions (if any), terminate scan loop and return. */
|
functions (if any), terminate scan loop and return. */
|
|
|
while (*p != ':' && *p != '\0')
|
while (*p != ':' && *p != '\0')
|
{
|
{
|
p++;
|
p++;
|
}
|
}
|
if (*p == '\0')
|
if (*p == '\0')
|
return 0;
|
return 0;
|
|
|
/* Check to see if we have hit the member functions yet. */
|
/* Check to see if we have hit the member functions yet. */
|
if (p[1] == ':')
|
if (p[1] == ':')
|
{
|
{
|
break;
|
break;
|
}
|
}
|
read_one_struct_field (fip, pp, p, type, objfile);
|
read_one_struct_field (fip, pp, p, type, objfile);
|
}
|
}
|
if (p[0] == ':' && p[1] == ':')
|
if (p[0] == ':' && p[1] == ':')
|
{
|
{
|
/* chill the list of fields: the last entry (at the head) is a
|
/* chill the list of fields: the last entry (at the head) is a
|
partially constructed entry which we now scrub. */
|
partially constructed entry which we now scrub. */
|
fip->list = fip->list->next;
|
fip->list = fip->list->next;
|
}
|
}
|
return 1;
|
return 1;
|
}
|
}
|
/* *INDENT-OFF* */
|
/* *INDENT-OFF* */
|
/* The stabs for C++ derived classes contain baseclass information which
|
/* The stabs for C++ derived classes contain baseclass information which
|
is marked by a '!' character after the total size. This function is
|
is marked by a '!' character after the total size. This function is
|
called when we encounter the baseclass marker, and slurps up all the
|
called when we encounter the baseclass marker, and slurps up all the
|
baseclass information.
|
baseclass information.
|
|
|
Immediately following the '!' marker is the number of base classes that
|
Immediately following the '!' marker is the number of base classes that
|
the class is derived from, followed by information for each base class.
|
the class is derived from, followed by information for each base class.
|
For each base class, there are two visibility specifiers, a bit offset
|
For each base class, there are two visibility specifiers, a bit offset
|
to the base class information within the derived class, a reference to
|
to the base class information within the derived class, a reference to
|
the type for the base class, and a terminating semicolon.
|
the type for the base class, and a terminating semicolon.
|
|
|
A typical example, with two base classes, would be "!2,020,19;0264,21;".
|
A typical example, with two base classes, would be "!2,020,19;0264,21;".
|
^^ ^ ^ ^ ^ ^ ^
|
^^ ^ ^ ^ ^ ^ ^
|
Baseclass information marker __________________|| | | | | | |
|
Baseclass information marker __________________|| | | | | | |
|
Number of baseclasses __________________________| | | | | | |
|
Number of baseclasses __________________________| | | | | | |
|
Visibility specifiers (2) ________________________| | | | | |
|
Visibility specifiers (2) ________________________| | | | | |
|
Offset in bits from start of class _________________| | | | |
|
Offset in bits from start of class _________________| | | | |
|
Type number for base class ___________________________| | | |
|
Type number for base class ___________________________| | | |
|
Visibility specifiers (2) _______________________________| | |
|
Visibility specifiers (2) _______________________________| | |
|
Offset in bits from start of class ________________________| |
|
Offset in bits from start of class ________________________| |
|
Type number of base class ____________________________________|
|
Type number of base class ____________________________________|
|
|
|
Return 1 for success, 0 for (error-type-inducing) failure. */
|
Return 1 for success, 0 for (error-type-inducing) failure. */
|
/* *INDENT-ON* */
|
/* *INDENT-ON* */
|
|
|
|
|
|
|
static int
|
static int
|
read_baseclasses (fip, pp, type, objfile)
|
read_baseclasses (fip, pp, type, objfile)
|
struct field_info *fip;
|
struct field_info *fip;
|
char **pp;
|
char **pp;
|
struct type *type;
|
struct type *type;
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
int i;
|
int i;
|
struct nextfield *new;
|
struct nextfield *new;
|
|
|
if (**pp != '!')
|
if (**pp != '!')
|
{
|
{
|
return 1;
|
return 1;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Skip the '!' baseclass information marker. */
|
/* Skip the '!' baseclass information marker. */
|
(*pp)++;
|
(*pp)++;
|
}
|
}
|
|
|
ALLOCATE_CPLUS_STRUCT_TYPE (type);
|
ALLOCATE_CPLUS_STRUCT_TYPE (type);
|
{
|
{
|
int nbits;
|
int nbits;
|
TYPE_N_BASECLASSES (type) = read_huge_number (pp, ',', &nbits);
|
TYPE_N_BASECLASSES (type) = read_huge_number (pp, ',', &nbits);
|
if (nbits != 0)
|
if (nbits != 0)
|
return 0;
|
return 0;
|
}
|
}
|
|
|
#if 0
|
#if 0
|
/* Some stupid compilers have trouble with the following, so break
|
/* Some stupid compilers have trouble with the following, so break
|
it up into simpler expressions. */
|
it up into simpler expressions. */
|
TYPE_FIELD_VIRTUAL_BITS (type) = (B_TYPE *)
|
TYPE_FIELD_VIRTUAL_BITS (type) = (B_TYPE *)
|
TYPE_ALLOC (type, B_BYTES (TYPE_N_BASECLASSES (type)));
|
TYPE_ALLOC (type, B_BYTES (TYPE_N_BASECLASSES (type)));
|
#else
|
#else
|
{
|
{
|
int num_bytes = B_BYTES (TYPE_N_BASECLASSES (type));
|
int num_bytes = B_BYTES (TYPE_N_BASECLASSES (type));
|
char *pointer;
|
char *pointer;
|
|
|
pointer = (char *) TYPE_ALLOC (type, num_bytes);
|
pointer = (char *) TYPE_ALLOC (type, num_bytes);
|
TYPE_FIELD_VIRTUAL_BITS (type) = (B_TYPE *) pointer;
|
TYPE_FIELD_VIRTUAL_BITS (type) = (B_TYPE *) pointer;
|
}
|
}
|
#endif /* 0 */
|
#endif /* 0 */
|
|
|
B_CLRALL (TYPE_FIELD_VIRTUAL_BITS (type), TYPE_N_BASECLASSES (type));
|
B_CLRALL (TYPE_FIELD_VIRTUAL_BITS (type), TYPE_N_BASECLASSES (type));
|
|
|
for (i = 0; i < TYPE_N_BASECLASSES (type); i++)
|
for (i = 0; i < TYPE_N_BASECLASSES (type); i++)
|
{
|
{
|
new = (struct nextfield *) xmalloc (sizeof (struct nextfield));
|
new = (struct nextfield *) xmalloc (sizeof (struct nextfield));
|
make_cleanup (free, new);
|
make_cleanup (free, new);
|
memset (new, 0, sizeof (struct nextfield));
|
memset (new, 0, sizeof (struct nextfield));
|
new->next = fip->list;
|
new->next = fip->list;
|
fip->list = new;
|
fip->list = new;
|
FIELD_BITSIZE (new->field) = 0; /* this should be an unpacked field! */
|
FIELD_BITSIZE (new->field) = 0; /* this should be an unpacked field! */
|
|
|
STABS_CONTINUE (pp, objfile);
|
STABS_CONTINUE (pp, objfile);
|
switch (**pp)
|
switch (**pp)
|
{
|
{
|
case '0':
|
case '0':
|
/* Nothing to do. */
|
/* Nothing to do. */
|
break;
|
break;
|
case '1':
|
case '1':
|
SET_TYPE_FIELD_VIRTUAL (type, i);
|
SET_TYPE_FIELD_VIRTUAL (type, i);
|
break;
|
break;
|
default:
|
default:
|
/* Unknown character. Complain and treat it as non-virtual. */
|
/* Unknown character. Complain and treat it as non-virtual. */
|
{
|
{
|
static struct complaint msg =
|
static struct complaint msg =
|
{
|
{
|
"Unknown virtual character `%c' for baseclass", 0, 0};
|
"Unknown virtual character `%c' for baseclass", 0, 0};
|
complain (&msg, **pp);
|
complain (&msg, **pp);
|
}
|
}
|
}
|
}
|
++(*pp);
|
++(*pp);
|
|
|
new->visibility = *(*pp)++;
|
new->visibility = *(*pp)++;
|
switch (new->visibility)
|
switch (new->visibility)
|
{
|
{
|
case VISIBILITY_PRIVATE:
|
case VISIBILITY_PRIVATE:
|
case VISIBILITY_PROTECTED:
|
case VISIBILITY_PROTECTED:
|
case VISIBILITY_PUBLIC:
|
case VISIBILITY_PUBLIC:
|
break;
|
break;
|
default:
|
default:
|
/* Bad visibility format. Complain and treat it as
|
/* Bad visibility format. Complain and treat it as
|
public. */
|
public. */
|
{
|
{
|
static struct complaint msg =
|
static struct complaint msg =
|
{
|
{
|
"Unknown visibility `%c' for baseclass", 0, 0
|
"Unknown visibility `%c' for baseclass", 0, 0
|
};
|
};
|
complain (&msg, new->visibility);
|
complain (&msg, new->visibility);
|
new->visibility = VISIBILITY_PUBLIC;
|
new->visibility = VISIBILITY_PUBLIC;
|
}
|
}
|
}
|
}
|
|
|
{
|
{
|
int nbits;
|
int nbits;
|
|
|
/* The remaining value is the bit offset of the portion of the object
|
/* The remaining value is the bit offset of the portion of the object
|
corresponding to this baseclass. Always zero in the absence of
|
corresponding to this baseclass. Always zero in the absence of
|
multiple inheritance. */
|
multiple inheritance. */
|
|
|
FIELD_BITPOS (new->field) = read_huge_number (pp, ',', &nbits);
|
FIELD_BITPOS (new->field) = read_huge_number (pp, ',', &nbits);
|
if (nbits != 0)
|
if (nbits != 0)
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* The last piece of baseclass information is the type of the
|
/* The last piece of baseclass information is the type of the
|
base class. Read it, and remember it's type name as this
|
base class. Read it, and remember it's type name as this
|
field's name. */
|
field's name. */
|
|
|
new->field.type = read_type (pp, objfile);
|
new->field.type = read_type (pp, objfile);
|
new->field.name = type_name_no_tag (new->field.type);
|
new->field.name = type_name_no_tag (new->field.type);
|
|
|
/* skip trailing ';' and bump count of number of fields seen */
|
/* skip trailing ';' and bump count of number of fields seen */
|
if (**pp == ';')
|
if (**pp == ';')
|
(*pp)++;
|
(*pp)++;
|
else
|
else
|
return 0;
|
return 0;
|
}
|
}
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/* The tail end of stabs for C++ classes that contain a virtual function
|
/* The tail end of stabs for C++ classes that contain a virtual function
|
pointer contains a tilde, a %, and a type number.
|
pointer contains a tilde, a %, and a type number.
|
The type number refers to the base class (possibly this class itself) which
|
The type number refers to the base class (possibly this class itself) which
|
contains the vtable pointer for the current class.
|
contains the vtable pointer for the current class.
|
|
|
This function is called when we have parsed all the method declarations,
|
This function is called when we have parsed all the method declarations,
|
so we can look for the vptr base class info. */
|
so we can look for the vptr base class info. */
|
|
|
static int
|
static int
|
read_tilde_fields (fip, pp, type, objfile)
|
read_tilde_fields (fip, pp, type, objfile)
|
struct field_info *fip;
|
struct field_info *fip;
|
char **pp;
|
char **pp;
|
struct type *type;
|
struct type *type;
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
register char *p;
|
register char *p;
|
|
|
STABS_CONTINUE (pp, objfile);
|
STABS_CONTINUE (pp, objfile);
|
|
|
/* If we are positioned at a ';', then skip it. */
|
/* If we are positioned at a ';', then skip it. */
|
if (**pp == ';')
|
if (**pp == ';')
|
{
|
{
|
(*pp)++;
|
(*pp)++;
|
}
|
}
|
|
|
if (**pp == '~')
|
if (**pp == '~')
|
{
|
{
|
(*pp)++;
|
(*pp)++;
|
|
|
if (**pp == '=' || **pp == '+' || **pp == '-')
|
if (**pp == '=' || **pp == '+' || **pp == '-')
|
{
|
{
|
/* Obsolete flags that used to indicate the presence
|
/* Obsolete flags that used to indicate the presence
|
of constructors and/or destructors. */
|
of constructors and/or destructors. */
|
(*pp)++;
|
(*pp)++;
|
}
|
}
|
|
|
/* Read either a '%' or the final ';'. */
|
/* Read either a '%' or the final ';'. */
|
if (*(*pp)++ == '%')
|
if (*(*pp)++ == '%')
|
{
|
{
|
/* The next number is the type number of the base class
|
/* The next number is the type number of the base class
|
(possibly our own class) which supplies the vtable for
|
(possibly our own class) which supplies the vtable for
|
this class. Parse it out, and search that class to find
|
this class. Parse it out, and search that class to find
|
its vtable pointer, and install those into TYPE_VPTR_BASETYPE
|
its vtable pointer, and install those into TYPE_VPTR_BASETYPE
|
and TYPE_VPTR_FIELDNO. */
|
and TYPE_VPTR_FIELDNO. */
|
|
|
struct type *t;
|
struct type *t;
|
int i;
|
int i;
|
|
|
t = read_type (pp, objfile);
|
t = read_type (pp, objfile);
|
p = (*pp)++;
|
p = (*pp)++;
|
while (*p != '\0' && *p != ';')
|
while (*p != '\0' && *p != ';')
|
{
|
{
|
p++;
|
p++;
|
}
|
}
|
if (*p == '\0')
|
if (*p == '\0')
|
{
|
{
|
/* Premature end of symbol. */
|
/* Premature end of symbol. */
|
return 0;
|
return 0;
|
}
|
}
|
|
|
TYPE_VPTR_BASETYPE (type) = t;
|
TYPE_VPTR_BASETYPE (type) = t;
|
if (type == t) /* Our own class provides vtbl ptr */
|
if (type == t) /* Our own class provides vtbl ptr */
|
{
|
{
|
for (i = TYPE_NFIELDS (t) - 1;
|
for (i = TYPE_NFIELDS (t) - 1;
|
i >= TYPE_N_BASECLASSES (t);
|
i >= TYPE_N_BASECLASSES (t);
|
--i)
|
--i)
|
{
|
{
|
if (!strncmp (TYPE_FIELD_NAME (t, i), vptr_name,
|
if (!strncmp (TYPE_FIELD_NAME (t, i), vptr_name,
|
sizeof (vptr_name) - 1))
|
sizeof (vptr_name) - 1))
|
{
|
{
|
TYPE_VPTR_FIELDNO (type) = i;
|
TYPE_VPTR_FIELDNO (type) = i;
|
goto gotit;
|
goto gotit;
|
}
|
}
|
}
|
}
|
/* Virtual function table field not found. */
|
/* Virtual function table field not found. */
|
complain (&vtbl_notfound_complaint, TYPE_NAME (type));
|
complain (&vtbl_notfound_complaint, TYPE_NAME (type));
|
return 0;
|
return 0;
|
}
|
}
|
else
|
else
|
{
|
{
|
TYPE_VPTR_FIELDNO (type) = TYPE_VPTR_FIELDNO (t);
|
TYPE_VPTR_FIELDNO (type) = TYPE_VPTR_FIELDNO (t);
|
}
|
}
|
|
|
gotit:
|
gotit:
|
*pp = p + 1;
|
*pp = p + 1;
|
}
|
}
|
}
|
}
|
return 1;
|
return 1;
|
}
|
}
|
|
|
static int
|
static int
|
attach_fn_fields_to_type (fip, type)
|
attach_fn_fields_to_type (fip, type)
|
struct field_info *fip;
|
struct field_info *fip;
|
register struct type *type;
|
register struct type *type;
|
{
|
{
|
register int n;
|
register int n;
|
|
|
for (n = TYPE_NFN_FIELDS (type);
|
for (n = TYPE_NFN_FIELDS (type);
|
fip->fnlist != NULL;
|
fip->fnlist != NULL;
|
fip->fnlist = fip->fnlist->next)
|
fip->fnlist = fip->fnlist->next)
|
{
|
{
|
--n; /* Circumvent Sun3 compiler bug */
|
--n; /* Circumvent Sun3 compiler bug */
|
TYPE_FN_FIELDLISTS (type)[n] = fip->fnlist->fn_fieldlist;
|
TYPE_FN_FIELDLISTS (type)[n] = fip->fnlist->fn_fieldlist;
|
}
|
}
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/* read cfront class static data.
|
/* read cfront class static data.
|
pp points to string starting with the list of static data
|
pp points to string starting with the list of static data
|
eg: A:ZcA;1@Bpub v2@Bvirpri;__ct__1AFv func__1AFv *sfunc__1AFv ;as__1A ;;
|
eg: A:ZcA;1@Bpub v2@Bvirpri;__ct__1AFv func__1AFv *sfunc__1AFv ;as__1A ;;
|
^^^^^^^^
|
^^^^^^^^
|
|
|
A:ZcA;;foopri__1AFv foopro__1AFv __ct__1AFv __ct__1AFRC1A foopub__1AFv ;;;
|
A:ZcA;;foopri__1AFv foopro__1AFv __ct__1AFv __ct__1AFRC1A foopub__1AFv ;;;
|
^
|
^
|
*/
|
*/
|
|
|
static int
|
static int
|
read_cfront_static_fields (fip, pp, type, objfile)
|
read_cfront_static_fields (fip, pp, type, objfile)
|
struct field_info *fip;
|
struct field_info *fip;
|
char **pp;
|
char **pp;
|
struct type *type;
|
struct type *type;
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
struct nextfield *new;
|
struct nextfield *new;
|
struct type *stype;
|
struct type *stype;
|
char *sname;
|
char *sname;
|
struct symbol *ref_static = 0;
|
struct symbol *ref_static = 0;
|
|
|
if (**pp == ';') /* no static data; return */
|
if (**pp == ';') /* no static data; return */
|
{
|
{
|
++(*pp);
|
++(*pp);
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/* Process each field in the list until we find the terminating ";" */
|
/* Process each field in the list until we find the terminating ";" */
|
|
|
/* eg: p = "as__1A ;;;" */
|
/* eg: p = "as__1A ;;;" */
|
STABS_CONTINUE (pp, objfile); /* handle \\ */
|
STABS_CONTINUE (pp, objfile); /* handle \\ */
|
while (**pp != ';' && (sname = get_substring (pp, ' '), sname))
|
while (**pp != ';' && (sname = get_substring (pp, ' '), sname))
|
{
|
{
|
ref_static = lookup_symbol (sname, 0, VAR_NAMESPACE, 0, 0); /*demangled_name */
|
ref_static = lookup_symbol (sname, 0, VAR_NAMESPACE, 0, 0); /*demangled_name */
|
if (!ref_static)
|
if (!ref_static)
|
{
|
{
|
static struct complaint msg =
|
static struct complaint msg =
|
{"\
|
{"\
|
Unable to find symbol for static data field %s\n",
|
Unable to find symbol for static data field %s\n",
|
0, 0};
|
0, 0};
|
complain (&msg, sname);
|
complain (&msg, sname);
|
continue;
|
continue;
|
}
|
}
|
stype = SYMBOL_TYPE (ref_static);
|
stype = SYMBOL_TYPE (ref_static);
|
|
|
/* allocate a new fip */
|
/* allocate a new fip */
|
new = (struct nextfield *) xmalloc (sizeof (struct nextfield));
|
new = (struct nextfield *) xmalloc (sizeof (struct nextfield));
|
make_cleanup (free, new);
|
make_cleanup (free, new);
|
memset (new, 0, sizeof (struct nextfield));
|
memset (new, 0, sizeof (struct nextfield));
|
new->next = fip->list;
|
new->next = fip->list;
|
fip->list = new;
|
fip->list = new;
|
|
|
/* set visibility */
|
/* set visibility */
|
/* FIXME! no way to tell visibility from stabs??? */
|
/* FIXME! no way to tell visibility from stabs??? */
|
new->visibility = VISIBILITY_PUBLIC;
|
new->visibility = VISIBILITY_PUBLIC;
|
|
|
/* set field info into fip */
|
/* set field info into fip */
|
fip->list->field.type = stype;
|
fip->list->field.type = stype;
|
|
|
/* set bitpos & bitsize */
|
/* set bitpos & bitsize */
|
SET_FIELD_PHYSNAME (fip->list->field, savestring (sname, strlen (sname)));
|
SET_FIELD_PHYSNAME (fip->list->field, savestring (sname, strlen (sname)));
|
|
|
/* set name field */
|
/* set name field */
|
/* The following is code to work around cfront generated stabs.
|
/* The following is code to work around cfront generated stabs.
|
The stabs contains full mangled name for each field.
|
The stabs contains full mangled name for each field.
|
We try to demangle the name and extract the field name out of it.
|
We try to demangle the name and extract the field name out of it.
|
*/
|
*/
|
if (ARM_DEMANGLING)
|
if (ARM_DEMANGLING)
|
{
|
{
|
char *dem, *dem_p;
|
char *dem, *dem_p;
|
dem = cplus_demangle (sname, DMGL_ANSI | DMGL_PARAMS);
|
dem = cplus_demangle (sname, DMGL_ANSI | DMGL_PARAMS);
|
if (dem != NULL)
|
if (dem != NULL)
|
{
|
{
|
dem_p = strrchr (dem, ':');
|
dem_p = strrchr (dem, ':');
|
if (dem_p != 0 && *(dem_p - 1) == ':')
|
if (dem_p != 0 && *(dem_p - 1) == ':')
|
dem_p++;
|
dem_p++;
|
fip->list->field.name =
|
fip->list->field.name =
|
obsavestring (dem_p, strlen (dem_p), &objfile->type_obstack);
|
obsavestring (dem_p, strlen (dem_p), &objfile->type_obstack);
|
}
|
}
|
else
|
else
|
{
|
{
|
fip->list->field.name =
|
fip->list->field.name =
|
obsavestring (sname, strlen (sname), &objfile->type_obstack);
|
obsavestring (sname, strlen (sname), &objfile->type_obstack);
|
}
|
}
|
} /* end of code for cfront work around */
|
} /* end of code for cfront work around */
|
} /* loop again for next static field */
|
} /* loop again for next static field */
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/* Copy structure fields to fip so attach_fields_to_type will work.
|
/* Copy structure fields to fip so attach_fields_to_type will work.
|
type has already been created with the initial instance data fields.
|
type has already been created with the initial instance data fields.
|
Now we want to be able to add the other members to the class,
|
Now we want to be able to add the other members to the class,
|
so we want to add them back to the fip and reattach them again
|
so we want to add them back to the fip and reattach them again
|
once we have collected all the class members. */
|
once we have collected all the class members. */
|
|
|
static int
|
static int
|
copy_cfront_struct_fields (fip, type, objfile)
|
copy_cfront_struct_fields (fip, type, objfile)
|
struct field_info *fip;
|
struct field_info *fip;
|
struct type *type;
|
struct type *type;
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
int nfields = TYPE_NFIELDS (type);
|
int nfields = TYPE_NFIELDS (type);
|
int i;
|
int i;
|
struct nextfield *new;
|
struct nextfield *new;
|
|
|
/* Copy the fields into the list of fips and reset the types
|
/* Copy the fields into the list of fips and reset the types
|
to remove the old fields */
|
to remove the old fields */
|
|
|
for (i = 0; i < nfields; i++)
|
for (i = 0; i < nfields; i++)
|
{
|
{
|
/* allocate a new fip */
|
/* allocate a new fip */
|
new = (struct nextfield *) xmalloc (sizeof (struct nextfield));
|
new = (struct nextfield *) xmalloc (sizeof (struct nextfield));
|
make_cleanup (free, new);
|
make_cleanup (free, new);
|
memset (new, 0, sizeof (struct nextfield));
|
memset (new, 0, sizeof (struct nextfield));
|
new->next = fip->list;
|
new->next = fip->list;
|
fip->list = new;
|
fip->list = new;
|
|
|
/* copy field info into fip */
|
/* copy field info into fip */
|
new->field = TYPE_FIELD (type, i);
|
new->field = TYPE_FIELD (type, i);
|
/* set visibility */
|
/* set visibility */
|
if (TYPE_FIELD_PROTECTED (type, i))
|
if (TYPE_FIELD_PROTECTED (type, i))
|
new->visibility = VISIBILITY_PROTECTED;
|
new->visibility = VISIBILITY_PROTECTED;
|
else if (TYPE_FIELD_PRIVATE (type, i))
|
else if (TYPE_FIELD_PRIVATE (type, i))
|
new->visibility = VISIBILITY_PRIVATE;
|
new->visibility = VISIBILITY_PRIVATE;
|
else
|
else
|
new->visibility = VISIBILITY_PUBLIC;
|
new->visibility = VISIBILITY_PUBLIC;
|
}
|
}
|
/* Now delete the fields from the type since we will be
|
/* Now delete the fields from the type since we will be
|
allocing new space once we get the rest of the fields
|
allocing new space once we get the rest of the fields
|
in attach_fields_to_type.
|
in attach_fields_to_type.
|
The pointer TYPE_FIELDS(type) is left dangling but should
|
The pointer TYPE_FIELDS(type) is left dangling but should
|
be freed later by objstack_free */
|
be freed later by objstack_free */
|
TYPE_FIELDS (type) = 0;
|
TYPE_FIELDS (type) = 0;
|
TYPE_NFIELDS (type) = 0;
|
TYPE_NFIELDS (type) = 0;
|
|
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/* Create the vector of fields, and record how big it is.
|
/* Create the vector of fields, and record how big it is.
|
We need this info to record proper virtual function table information
|
We need this info to record proper virtual function table information
|
for this class's virtual functions. */
|
for this class's virtual functions. */
|
|
|
static int
|
static int
|
attach_fields_to_type (fip, type, objfile)
|
attach_fields_to_type (fip, type, objfile)
|
struct field_info *fip;
|
struct field_info *fip;
|
register struct type *type;
|
register struct type *type;
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
register int nfields = 0;
|
register int nfields = 0;
|
register int non_public_fields = 0;
|
register int non_public_fields = 0;
|
register struct nextfield *scan;
|
register struct nextfield *scan;
|
|
|
/* Count up the number of fields that we have, as well as taking note of
|
/* Count up the number of fields that we have, as well as taking note of
|
whether or not there are any non-public fields, which requires us to
|
whether or not there are any non-public fields, which requires us to
|
allocate and build the private_field_bits and protected_field_bits
|
allocate and build the private_field_bits and protected_field_bits
|
bitfields. */
|
bitfields. */
|
|
|
for (scan = fip->list; scan != NULL; scan = scan->next)
|
for (scan = fip->list; scan != NULL; scan = scan->next)
|
{
|
{
|
nfields++;
|
nfields++;
|
if (scan->visibility != VISIBILITY_PUBLIC)
|
if (scan->visibility != VISIBILITY_PUBLIC)
|
{
|
{
|
non_public_fields++;
|
non_public_fields++;
|
}
|
}
|
}
|
}
|
|
|
/* Now we know how many fields there are, and whether or not there are any
|
/* Now we know how many fields there are, and whether or not there are any
|
non-public fields. Record the field count, allocate space for the
|
non-public fields. Record the field count, allocate space for the
|
array of fields, and create blank visibility bitfields if necessary. */
|
array of fields, and create blank visibility bitfields if necessary. */
|
|
|
TYPE_NFIELDS (type) = nfields;
|
TYPE_NFIELDS (type) = nfields;
|
TYPE_FIELDS (type) = (struct field *)
|
TYPE_FIELDS (type) = (struct field *)
|
TYPE_ALLOC (type, sizeof (struct field) * nfields);
|
TYPE_ALLOC (type, sizeof (struct field) * nfields);
|
memset (TYPE_FIELDS (type), 0, sizeof (struct field) * nfields);
|
memset (TYPE_FIELDS (type), 0, sizeof (struct field) * nfields);
|
|
|
if (non_public_fields)
|
if (non_public_fields)
|
{
|
{
|
ALLOCATE_CPLUS_STRUCT_TYPE (type);
|
ALLOCATE_CPLUS_STRUCT_TYPE (type);
|
|
|
TYPE_FIELD_PRIVATE_BITS (type) =
|
TYPE_FIELD_PRIVATE_BITS (type) =
|
(B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields));
|
(B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields));
|
B_CLRALL (TYPE_FIELD_PRIVATE_BITS (type), nfields);
|
B_CLRALL (TYPE_FIELD_PRIVATE_BITS (type), nfields);
|
|
|
TYPE_FIELD_PROTECTED_BITS (type) =
|
TYPE_FIELD_PROTECTED_BITS (type) =
|
(B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields));
|
(B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields));
|
B_CLRALL (TYPE_FIELD_PROTECTED_BITS (type), nfields);
|
B_CLRALL (TYPE_FIELD_PROTECTED_BITS (type), nfields);
|
|
|
TYPE_FIELD_IGNORE_BITS (type) =
|
TYPE_FIELD_IGNORE_BITS (type) =
|
(B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields));
|
(B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields));
|
B_CLRALL (TYPE_FIELD_IGNORE_BITS (type), nfields);
|
B_CLRALL (TYPE_FIELD_IGNORE_BITS (type), nfields);
|
}
|
}
|
|
|
/* Copy the saved-up fields into the field vector. Start from the head
|
/* Copy the saved-up fields into the field vector. Start from the head
|
of the list, adding to the tail of the field array, so that they end
|
of the list, adding to the tail of the field array, so that they end
|
up in the same order in the array in which they were added to the list. */
|
up in the same order in the array in which they were added to the list. */
|
|
|
while (nfields-- > 0)
|
while (nfields-- > 0)
|
{
|
{
|
TYPE_FIELD (type, nfields) = fip->list->field;
|
TYPE_FIELD (type, nfields) = fip->list->field;
|
switch (fip->list->visibility)
|
switch (fip->list->visibility)
|
{
|
{
|
case VISIBILITY_PRIVATE:
|
case VISIBILITY_PRIVATE:
|
SET_TYPE_FIELD_PRIVATE (type, nfields);
|
SET_TYPE_FIELD_PRIVATE (type, nfields);
|
break;
|
break;
|
|
|
case VISIBILITY_PROTECTED:
|
case VISIBILITY_PROTECTED:
|
SET_TYPE_FIELD_PROTECTED (type, nfields);
|
SET_TYPE_FIELD_PROTECTED (type, nfields);
|
break;
|
break;
|
|
|
case VISIBILITY_IGNORE:
|
case VISIBILITY_IGNORE:
|
SET_TYPE_FIELD_IGNORE (type, nfields);
|
SET_TYPE_FIELD_IGNORE (type, nfields);
|
break;
|
break;
|
|
|
case VISIBILITY_PUBLIC:
|
case VISIBILITY_PUBLIC:
|
break;
|
break;
|
|
|
default:
|
default:
|
/* Unknown visibility. Complain and treat it as public. */
|
/* Unknown visibility. Complain and treat it as public. */
|
{
|
{
|
static struct complaint msg =
|
static struct complaint msg =
|
{
|
{
|
"Unknown visibility `%c' for field", 0, 0};
|
"Unknown visibility `%c' for field", 0, 0};
|
complain (&msg, fip->list->visibility);
|
complain (&msg, fip->list->visibility);
|
}
|
}
|
break;
|
break;
|
}
|
}
|
fip->list = fip->list->next;
|
fip->list = fip->list->next;
|
}
|
}
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/* Read the description of a structure (or union type) and return an object
|
/* Read the description of a structure (or union type) and return an object
|
describing the type.
|
describing the type.
|
|
|
PP points to a character pointer that points to the next unconsumed token
|
PP points to a character pointer that points to the next unconsumed token
|
in the the stabs string. For example, given stabs "A:T4=s4a:1,0,32;;",
|
in the the stabs string. For example, given stabs "A:T4=s4a:1,0,32;;",
|
*PP will point to "4a:1,0,32;;".
|
*PP will point to "4a:1,0,32;;".
|
|
|
TYPE points to an incomplete type that needs to be filled in.
|
TYPE points to an incomplete type that needs to be filled in.
|
|
|
OBJFILE points to the current objfile from which the stabs information is
|
OBJFILE points to the current objfile from which the stabs information is
|
being read. (Note that it is redundant in that TYPE also contains a pointer
|
being read. (Note that it is redundant in that TYPE also contains a pointer
|
to this same objfile, so it might be a good idea to eliminate it. FIXME).
|
to this same objfile, so it might be a good idea to eliminate it. FIXME).
|
*/
|
*/
|
|
|
static struct type *
|
static struct type *
|
read_struct_type (pp, type, objfile)
|
read_struct_type (pp, type, objfile)
|
char **pp;
|
char **pp;
|
struct type *type;
|
struct type *type;
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
struct cleanup *back_to;
|
struct cleanup *back_to;
|
struct field_info fi;
|
struct field_info fi;
|
|
|
fi.list = NULL;
|
fi.list = NULL;
|
fi.fnlist = NULL;
|
fi.fnlist = NULL;
|
|
|
back_to = make_cleanup (null_cleanup, 0);
|
back_to = make_cleanup (null_cleanup, 0);
|
|
|
INIT_CPLUS_SPECIFIC (type);
|
INIT_CPLUS_SPECIFIC (type);
|
TYPE_FLAGS (type) &= ~TYPE_FLAG_STUB;
|
TYPE_FLAGS (type) &= ~TYPE_FLAG_STUB;
|
|
|
/* First comes the total size in bytes. */
|
/* First comes the total size in bytes. */
|
|
|
{
|
{
|
int nbits;
|
int nbits;
|
TYPE_LENGTH (type) = read_huge_number (pp, 0, &nbits);
|
TYPE_LENGTH (type) = read_huge_number (pp, 0, &nbits);
|
if (nbits != 0)
|
if (nbits != 0)
|
return error_type (pp, objfile);
|
return error_type (pp, objfile);
|
}
|
}
|
|
|
/* Now read the baseclasses, if any, read the regular C struct or C++
|
/* Now read the baseclasses, if any, read the regular C struct or C++
|
class member fields, attach the fields to the type, read the C++
|
class member fields, attach the fields to the type, read the C++
|
member functions, attach them to the type, and then read any tilde
|
member functions, attach them to the type, and then read any tilde
|
field (baseclass specifier for the class holding the main vtable). */
|
field (baseclass specifier for the class holding the main vtable). */
|
|
|
if (!read_baseclasses (&fi, pp, type, objfile)
|
if (!read_baseclasses (&fi, pp, type, objfile)
|
|| !read_struct_fields (&fi, pp, type, objfile)
|
|| !read_struct_fields (&fi, pp, type, objfile)
|
|| !attach_fields_to_type (&fi, type, objfile)
|
|| !attach_fields_to_type (&fi, type, objfile)
|
|| !read_member_functions (&fi, pp, type, objfile)
|
|| !read_member_functions (&fi, pp, type, objfile)
|
|| !attach_fn_fields_to_type (&fi, type)
|
|| !attach_fn_fields_to_type (&fi, type)
|
|| !read_tilde_fields (&fi, pp, type, objfile))
|
|| !read_tilde_fields (&fi, pp, type, objfile))
|
{
|
{
|
type = error_type (pp, objfile);
|
type = error_type (pp, objfile);
|
}
|
}
|
|
|
do_cleanups (back_to);
|
do_cleanups (back_to);
|
return (type);
|
return (type);
|
}
|
}
|
|
|
/* Read a definition of an array type,
|
/* Read a definition of an array type,
|
and create and return a suitable type object.
|
and create and return a suitable type object.
|
Also creates a range type which represents the bounds of that
|
Also creates a range type which represents the bounds of that
|
array. */
|
array. */
|
|
|
static struct type *
|
static struct type *
|
read_array_type (pp, type, objfile)
|
read_array_type (pp, type, objfile)
|
register char **pp;
|
register char **pp;
|
register struct type *type;
|
register struct type *type;
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
struct type *index_type, *element_type, *range_type;
|
struct type *index_type, *element_type, *range_type;
|
int lower, upper;
|
int lower, upper;
|
int adjustable = 0;
|
int adjustable = 0;
|
int nbits;
|
int nbits;
|
|
|
/* Format of an array type:
|
/* Format of an array type:
|
"ar<index type>;lower;upper;<array_contents_type>".
|
"ar<index type>;lower;upper;<array_contents_type>".
|
OS9000: "arlower,upper;<array_contents_type>".
|
OS9000: "arlower,upper;<array_contents_type>".
|
|
|
Fortran adjustable arrays use Adigits or Tdigits for lower or upper;
|
Fortran adjustable arrays use Adigits or Tdigits for lower or upper;
|
for these, produce a type like float[][]. */
|
for these, produce a type like float[][]. */
|
|
|
if (os9k_stabs)
|
if (os9k_stabs)
|
index_type = builtin_type_int;
|
index_type = builtin_type_int;
|
else
|
else
|
{
|
{
|
index_type = read_type (pp, objfile);
|
index_type = read_type (pp, objfile);
|
if (**pp != ';')
|
if (**pp != ';')
|
/* Improper format of array type decl. */
|
/* Improper format of array type decl. */
|
return error_type (pp, objfile);
|
return error_type (pp, objfile);
|
++*pp;
|
++*pp;
|
}
|
}
|
|
|
if (!(**pp >= '0' && **pp <= '9') && **pp != '-')
|
if (!(**pp >= '0' && **pp <= '9') && **pp != '-')
|
{
|
{
|
(*pp)++;
|
(*pp)++;
|
adjustable = 1;
|
adjustable = 1;
|
}
|
}
|
lower = read_huge_number (pp, os9k_stabs ? ',' : ';', &nbits);
|
lower = read_huge_number (pp, os9k_stabs ? ',' : ';', &nbits);
|
if (nbits != 0)
|
if (nbits != 0)
|
return error_type (pp, objfile);
|
return error_type (pp, objfile);
|
|
|
if (!(**pp >= '0' && **pp <= '9') && **pp != '-')
|
if (!(**pp >= '0' && **pp <= '9') && **pp != '-')
|
{
|
{
|
(*pp)++;
|
(*pp)++;
|
adjustable = 1;
|
adjustable = 1;
|
}
|
}
|
upper = read_huge_number (pp, ';', &nbits);
|
upper = read_huge_number (pp, ';', &nbits);
|
if (nbits != 0)
|
if (nbits != 0)
|
return error_type (pp, objfile);
|
return error_type (pp, objfile);
|
|
|
element_type = read_type (pp, objfile);
|
element_type = read_type (pp, objfile);
|
|
|
if (adjustable)
|
if (adjustable)
|
{
|
{
|
lower = 0;
|
lower = 0;
|
upper = -1;
|
upper = -1;
|
}
|
}
|
|
|
range_type =
|
range_type =
|
create_range_type ((struct type *) NULL, index_type, lower, upper);
|
create_range_type ((struct type *) NULL, index_type, lower, upper);
|
type = create_array_type (type, element_type, range_type);
|
type = create_array_type (type, element_type, range_type);
|
|
|
return type;
|
return type;
|
}
|
}
|
|
|
|
|
/* Read a definition of an enumeration type,
|
/* Read a definition of an enumeration type,
|
and create and return a suitable type object.
|
and create and return a suitable type object.
|
Also defines the symbols that represent the values of the type. */
|
Also defines the symbols that represent the values of the type. */
|
|
|
static struct type *
|
static struct type *
|
read_enum_type (pp, type, objfile)
|
read_enum_type (pp, type, objfile)
|
register char **pp;
|
register char **pp;
|
register struct type *type;
|
register struct type *type;
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
register char *p;
|
register char *p;
|
char *name;
|
char *name;
|
register long n;
|
register long n;
|
register struct symbol *sym;
|
register struct symbol *sym;
|
int nsyms = 0;
|
int nsyms = 0;
|
struct pending **symlist;
|
struct pending **symlist;
|
struct pending *osyms, *syms;
|
struct pending *osyms, *syms;
|
int o_nsyms;
|
int o_nsyms;
|
int nbits;
|
int nbits;
|
int unsigned_enum = 1;
|
int unsigned_enum = 1;
|
|
|
#if 0
|
#if 0
|
/* FIXME! The stabs produced by Sun CC merrily define things that ought
|
/* FIXME! The stabs produced by Sun CC merrily define things that ought
|
to be file-scope, between N_FN entries, using N_LSYM. What's a mother
|
to be file-scope, between N_FN entries, using N_LSYM. What's a mother
|
to do? For now, force all enum values to file scope. */
|
to do? For now, force all enum values to file scope. */
|
if (within_function)
|
if (within_function)
|
symlist = &local_symbols;
|
symlist = &local_symbols;
|
else
|
else
|
#endif
|
#endif
|
symlist = &file_symbols;
|
symlist = &file_symbols;
|
osyms = *symlist;
|
osyms = *symlist;
|
o_nsyms = osyms ? osyms->nsyms : 0;
|
o_nsyms = osyms ? osyms->nsyms : 0;
|
|
|
if (os9k_stabs)
|
if (os9k_stabs)
|
{
|
{
|
/* Size. Perhaps this does not have to be conditionalized on
|
/* Size. Perhaps this does not have to be conditionalized on
|
os9k_stabs (assuming the name of an enum constant can't start
|
os9k_stabs (assuming the name of an enum constant can't start
|
with a digit). */
|
with a digit). */
|
read_huge_number (pp, 0, &nbits);
|
read_huge_number (pp, 0, &nbits);
|
if (nbits != 0)
|
if (nbits != 0)
|
return error_type (pp, objfile);
|
return error_type (pp, objfile);
|
}
|
}
|
|
|
/* The aix4 compiler emits an extra field before the enum members;
|
/* The aix4 compiler emits an extra field before the enum members;
|
my guess is it's a type of some sort. Just ignore it. */
|
my guess is it's a type of some sort. Just ignore it. */
|
if (**pp == '-')
|
if (**pp == '-')
|
{
|
{
|
/* Skip over the type. */
|
/* Skip over the type. */
|
while (**pp != ':')
|
while (**pp != ':')
|
(*pp)++;
|
(*pp)++;
|
|
|
/* Skip over the colon. */
|
/* Skip over the colon. */
|
(*pp)++;
|
(*pp)++;
|
}
|
}
|
|
|
/* Read the value-names and their values.
|
/* Read the value-names and their values.
|
The input syntax is NAME:VALUE,NAME:VALUE, and so on.
|
The input syntax is NAME:VALUE,NAME:VALUE, and so on.
|
A semicolon or comma instead of a NAME means the end. */
|
A semicolon or comma instead of a NAME means the end. */
|
while (**pp && **pp != ';' && **pp != ',')
|
while (**pp && **pp != ';' && **pp != ',')
|
{
|
{
|
STABS_CONTINUE (pp, objfile);
|
STABS_CONTINUE (pp, objfile);
|
p = *pp;
|
p = *pp;
|
while (*p != ':')
|
while (*p != ':')
|
p++;
|
p++;
|
name = obsavestring (*pp, p - *pp, &objfile->symbol_obstack);
|
name = obsavestring (*pp, p - *pp, &objfile->symbol_obstack);
|
*pp = p + 1;
|
*pp = p + 1;
|
n = read_huge_number (pp, ',', &nbits);
|
n = read_huge_number (pp, ',', &nbits);
|
if (nbits != 0)
|
if (nbits != 0)
|
return error_type (pp, objfile);
|
return error_type (pp, objfile);
|
|
|
sym = (struct symbol *)
|
sym = (struct symbol *)
|
obstack_alloc (&objfile->symbol_obstack, sizeof (struct symbol));
|
obstack_alloc (&objfile->symbol_obstack, sizeof (struct symbol));
|
memset (sym, 0, sizeof (struct symbol));
|
memset (sym, 0, sizeof (struct symbol));
|
SYMBOL_NAME (sym) = name;
|
SYMBOL_NAME (sym) = name;
|
SYMBOL_LANGUAGE (sym) = current_subfile->language;
|
SYMBOL_LANGUAGE (sym) = current_subfile->language;
|
SYMBOL_CLASS (sym) = LOC_CONST;
|
SYMBOL_CLASS (sym) = LOC_CONST;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
SYMBOL_VALUE (sym) = n;
|
SYMBOL_VALUE (sym) = n;
|
if (n < 0)
|
if (n < 0)
|
unsigned_enum = 0;
|
unsigned_enum = 0;
|
add_symbol_to_list (sym, symlist);
|
add_symbol_to_list (sym, symlist);
|
nsyms++;
|
nsyms++;
|
}
|
}
|
|
|
if (**pp == ';')
|
if (**pp == ';')
|
(*pp)++; /* Skip the semicolon. */
|
(*pp)++; /* Skip the semicolon. */
|
|
|
/* Now fill in the fields of the type-structure. */
|
/* Now fill in the fields of the type-structure. */
|
|
|
TYPE_LENGTH (type) = TARGET_INT_BIT / HOST_CHAR_BIT;
|
TYPE_LENGTH (type) = TARGET_INT_BIT / HOST_CHAR_BIT;
|
TYPE_CODE (type) = TYPE_CODE_ENUM;
|
TYPE_CODE (type) = TYPE_CODE_ENUM;
|
TYPE_FLAGS (type) &= ~TYPE_FLAG_STUB;
|
TYPE_FLAGS (type) &= ~TYPE_FLAG_STUB;
|
if (unsigned_enum)
|
if (unsigned_enum)
|
TYPE_FLAGS (type) |= TYPE_FLAG_UNSIGNED;
|
TYPE_FLAGS (type) |= TYPE_FLAG_UNSIGNED;
|
TYPE_NFIELDS (type) = nsyms;
|
TYPE_NFIELDS (type) = nsyms;
|
TYPE_FIELDS (type) = (struct field *)
|
TYPE_FIELDS (type) = (struct field *)
|
TYPE_ALLOC (type, sizeof (struct field) * nsyms);
|
TYPE_ALLOC (type, sizeof (struct field) * nsyms);
|
memset (TYPE_FIELDS (type), 0, sizeof (struct field) * nsyms);
|
memset (TYPE_FIELDS (type), 0, sizeof (struct field) * nsyms);
|
|
|
/* Find the symbols for the values and put them into the type.
|
/* Find the symbols for the values and put them into the type.
|
The symbols can be found in the symlist that we put them on
|
The symbols can be found in the symlist that we put them on
|
to cause them to be defined. osyms contains the old value
|
to cause them to be defined. osyms contains the old value
|
of that symlist; everything up to there was defined by us. */
|
of that symlist; everything up to there was defined by us. */
|
/* Note that we preserve the order of the enum constants, so
|
/* Note that we preserve the order of the enum constants, so
|
that in something like "enum {FOO, LAST_THING=FOO}" we print
|
that in something like "enum {FOO, LAST_THING=FOO}" we print
|
FOO, not LAST_THING. */
|
FOO, not LAST_THING. */
|
|
|
for (syms = *symlist, n = nsyms - 1; syms; syms = syms->next)
|
for (syms = *symlist, n = nsyms - 1; syms; syms = syms->next)
|
{
|
{
|
int last = syms == osyms ? o_nsyms : 0;
|
int last = syms == osyms ? o_nsyms : 0;
|
int j = syms->nsyms;
|
int j = syms->nsyms;
|
for (; --j >= last; --n)
|
for (; --j >= last; --n)
|
{
|
{
|
struct symbol *xsym = syms->symbol[j];
|
struct symbol *xsym = syms->symbol[j];
|
SYMBOL_TYPE (xsym) = type;
|
SYMBOL_TYPE (xsym) = type;
|
TYPE_FIELD_NAME (type, n) = SYMBOL_NAME (xsym);
|
TYPE_FIELD_NAME (type, n) = SYMBOL_NAME (xsym);
|
TYPE_FIELD_BITPOS (type, n) = SYMBOL_VALUE (xsym);
|
TYPE_FIELD_BITPOS (type, n) = SYMBOL_VALUE (xsym);
|
TYPE_FIELD_BITSIZE (type, n) = 0;
|
TYPE_FIELD_BITSIZE (type, n) = 0;
|
}
|
}
|
if (syms == osyms)
|
if (syms == osyms)
|
break;
|
break;
|
}
|
}
|
|
|
return type;
|
return type;
|
}
|
}
|
|
|
/* Sun's ACC uses a somewhat saner method for specifying the builtin
|
/* Sun's ACC uses a somewhat saner method for specifying the builtin
|
typedefs in every file (for int, long, etc):
|
typedefs in every file (for int, long, etc):
|
|
|
type = b <signed> <width> <format type>; <offset>; <nbits>
|
type = b <signed> <width> <format type>; <offset>; <nbits>
|
signed = u or s.
|
signed = u or s.
|
optional format type = c or b for char or boolean.
|
optional format type = c or b for char or boolean.
|
offset = offset from high order bit to start bit of type.
|
offset = offset from high order bit to start bit of type.
|
width is # bytes in object of this type, nbits is # bits in type.
|
width is # bytes in object of this type, nbits is # bits in type.
|
|
|
The width/offset stuff appears to be for small objects stored in
|
The width/offset stuff appears to be for small objects stored in
|
larger ones (e.g. `shorts' in `int' registers). We ignore it for now,
|
larger ones (e.g. `shorts' in `int' registers). We ignore it for now,
|
FIXME. */
|
FIXME. */
|
|
|
static struct type *
|
static struct type *
|
read_sun_builtin_type (pp, typenums, objfile)
|
read_sun_builtin_type (pp, typenums, objfile)
|
char **pp;
|
char **pp;
|
int typenums[2];
|
int typenums[2];
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
int type_bits;
|
int type_bits;
|
int nbits;
|
int nbits;
|
int signed_type;
|
int signed_type;
|
enum type_code code = TYPE_CODE_INT;
|
enum type_code code = TYPE_CODE_INT;
|
|
|
switch (**pp)
|
switch (**pp)
|
{
|
{
|
case 's':
|
case 's':
|
signed_type = 1;
|
signed_type = 1;
|
break;
|
break;
|
case 'u':
|
case 'u':
|
signed_type = 0;
|
signed_type = 0;
|
break;
|
break;
|
default:
|
default:
|
return error_type (pp, objfile);
|
return error_type (pp, objfile);
|
}
|
}
|
(*pp)++;
|
(*pp)++;
|
|
|
/* For some odd reason, all forms of char put a c here. This is strange
|
/* For some odd reason, all forms of char put a c here. This is strange
|
because no other type has this honor. We can safely ignore this because
|
because no other type has this honor. We can safely ignore this because
|
we actually determine 'char'acterness by the number of bits specified in
|
we actually determine 'char'acterness by the number of bits specified in
|
the descriptor.
|
the descriptor.
|
Boolean forms, e.g Fortran logical*X, put a b here. */
|
Boolean forms, e.g Fortran logical*X, put a b here. */
|
|
|
if (**pp == 'c')
|
if (**pp == 'c')
|
(*pp)++;
|
(*pp)++;
|
else if (**pp == 'b')
|
else if (**pp == 'b')
|
{
|
{
|
code = TYPE_CODE_BOOL;
|
code = TYPE_CODE_BOOL;
|
(*pp)++;
|
(*pp)++;
|
}
|
}
|
|
|
/* The first number appears to be the number of bytes occupied
|
/* The first number appears to be the number of bytes occupied
|
by this type, except that unsigned short is 4 instead of 2.
|
by this type, except that unsigned short is 4 instead of 2.
|
Since this information is redundant with the third number,
|
Since this information is redundant with the third number,
|
we will ignore it. */
|
we will ignore it. */
|
read_huge_number (pp, ';', &nbits);
|
read_huge_number (pp, ';', &nbits);
|
if (nbits != 0)
|
if (nbits != 0)
|
return error_type (pp, objfile);
|
return error_type (pp, objfile);
|
|
|
/* The second number is always 0, so ignore it too. */
|
/* The second number is always 0, so ignore it too. */
|
read_huge_number (pp, ';', &nbits);
|
read_huge_number (pp, ';', &nbits);
|
if (nbits != 0)
|
if (nbits != 0)
|
return error_type (pp, objfile);
|
return error_type (pp, objfile);
|
|
|
/* The third number is the number of bits for this type. */
|
/* The third number is the number of bits for this type. */
|
type_bits = read_huge_number (pp, 0, &nbits);
|
type_bits = read_huge_number (pp, 0, &nbits);
|
if (nbits != 0)
|
if (nbits != 0)
|
return error_type (pp, objfile);
|
return error_type (pp, objfile);
|
/* The type *should* end with a semicolon. If it are embedded
|
/* The type *should* end with a semicolon. If it are embedded
|
in a larger type the semicolon may be the only way to know where
|
in a larger type the semicolon may be the only way to know where
|
the type ends. If this type is at the end of the stabstring we
|
the type ends. If this type is at the end of the stabstring we
|
can deal with the omitted semicolon (but we don't have to like
|
can deal with the omitted semicolon (but we don't have to like
|
it). Don't bother to complain(), Sun's compiler omits the semicolon
|
it). Don't bother to complain(), Sun's compiler omits the semicolon
|
for "void". */
|
for "void". */
|
if (**pp == ';')
|
if (**pp == ';')
|
++(*pp);
|
++(*pp);
|
|
|
if (type_bits == 0)
|
if (type_bits == 0)
|
return init_type (TYPE_CODE_VOID, 1,
|
return init_type (TYPE_CODE_VOID, 1,
|
signed_type ? 0 : TYPE_FLAG_UNSIGNED, (char *) NULL,
|
signed_type ? 0 : TYPE_FLAG_UNSIGNED, (char *) NULL,
|
objfile);
|
objfile);
|
else
|
else
|
return init_type (code,
|
return init_type (code,
|
type_bits / TARGET_CHAR_BIT,
|
type_bits / TARGET_CHAR_BIT,
|
signed_type ? 0 : TYPE_FLAG_UNSIGNED, (char *) NULL,
|
signed_type ? 0 : TYPE_FLAG_UNSIGNED, (char *) NULL,
|
objfile);
|
objfile);
|
}
|
}
|
|
|
static struct type *
|
static struct type *
|
read_sun_floating_type (pp, typenums, objfile)
|
read_sun_floating_type (pp, typenums, objfile)
|
char **pp;
|
char **pp;
|
int typenums[2];
|
int typenums[2];
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
int nbits;
|
int nbits;
|
int details;
|
int details;
|
int nbytes;
|
int nbytes;
|
|
|
/* The first number has more details about the type, for example
|
/* The first number has more details about the type, for example
|
FN_COMPLEX. */
|
FN_COMPLEX. */
|
details = read_huge_number (pp, ';', &nbits);
|
details = read_huge_number (pp, ';', &nbits);
|
if (nbits != 0)
|
if (nbits != 0)
|
return error_type (pp, objfile);
|
return error_type (pp, objfile);
|
|
|
/* The second number is the number of bytes occupied by this type */
|
/* The second number is the number of bytes occupied by this type */
|
nbytes = read_huge_number (pp, ';', &nbits);
|
nbytes = read_huge_number (pp, ';', &nbits);
|
if (nbits != 0)
|
if (nbits != 0)
|
return error_type (pp, objfile);
|
return error_type (pp, objfile);
|
|
|
if (details == NF_COMPLEX || details == NF_COMPLEX16
|
if (details == NF_COMPLEX || details == NF_COMPLEX16
|
|| details == NF_COMPLEX32)
|
|| details == NF_COMPLEX32)
|
/* This is a type we can't handle, but we do know the size.
|
/* This is a type we can't handle, but we do know the size.
|
We also will be able to give it a name. */
|
We also will be able to give it a name. */
|
return init_type (TYPE_CODE_COMPLEX, nbytes, 0, NULL, objfile);
|
return init_type (TYPE_CODE_COMPLEX, nbytes, 0, NULL, objfile);
|
|
|
return init_type (TYPE_CODE_FLT, nbytes, 0, NULL, objfile);
|
return init_type (TYPE_CODE_FLT, nbytes, 0, NULL, objfile);
|
}
|
}
|
|
|
/* Read a number from the string pointed to by *PP.
|
/* Read a number from the string pointed to by *PP.
|
The value of *PP is advanced over the number.
|
The value of *PP is advanced over the number.
|
If END is nonzero, the character that ends the
|
If END is nonzero, the character that ends the
|
number must match END, or an error happens;
|
number must match END, or an error happens;
|
and that character is skipped if it does match.
|
and that character is skipped if it does match.
|
If END is zero, *PP is left pointing to that character.
|
If END is zero, *PP is left pointing to that character.
|
|
|
If the number fits in a long, set *BITS to 0 and return the value.
|
If the number fits in a long, set *BITS to 0 and return the value.
|
If not, set *BITS to be the number of bits in the number and return 0.
|
If not, set *BITS to be the number of bits in the number and return 0.
|
|
|
If encounter garbage, set *BITS to -1 and return 0. */
|
If encounter garbage, set *BITS to -1 and return 0. */
|
|
|
static long
|
static long
|
read_huge_number (pp, end, bits)
|
read_huge_number (pp, end, bits)
|
char **pp;
|
char **pp;
|
int end;
|
int end;
|
int *bits;
|
int *bits;
|
{
|
{
|
char *p = *pp;
|
char *p = *pp;
|
int sign = 1;
|
int sign = 1;
|
long n = 0;
|
long n = 0;
|
int radix = 10;
|
int radix = 10;
|
char overflow = 0;
|
char overflow = 0;
|
int nbits = 0;
|
int nbits = 0;
|
int c;
|
int c;
|
long upper_limit;
|
long upper_limit;
|
|
|
if (*p == '-')
|
if (*p == '-')
|
{
|
{
|
sign = -1;
|
sign = -1;
|
p++;
|
p++;
|
}
|
}
|
|
|
/* Leading zero means octal. GCC uses this to output values larger
|
/* Leading zero means octal. GCC uses this to output values larger
|
than an int (because that would be hard in decimal). */
|
than an int (because that would be hard in decimal). */
|
if (*p == '0')
|
if (*p == '0')
|
{
|
{
|
radix = 8;
|
radix = 8;
|
p++;
|
p++;
|
}
|
}
|
|
|
if (os9k_stabs)
|
if (os9k_stabs)
|
upper_limit = ULONG_MAX / radix;
|
upper_limit = ULONG_MAX / radix;
|
else
|
else
|
upper_limit = LONG_MAX / radix;
|
upper_limit = LONG_MAX / radix;
|
|
|
while ((c = *p++) >= '0' && c < ('0' + radix))
|
while ((c = *p++) >= '0' && c < ('0' + radix))
|
{
|
{
|
if (n <= upper_limit)
|
if (n <= upper_limit)
|
{
|
{
|
n *= radix;
|
n *= radix;
|
n += c - '0'; /* FIXME this overflows anyway */
|
n += c - '0'; /* FIXME this overflows anyway */
|
}
|
}
|
else
|
else
|
overflow = 1;
|
overflow = 1;
|
|
|
/* This depends on large values being output in octal, which is
|
/* This depends on large values being output in octal, which is
|
what GCC does. */
|
what GCC does. */
|
if (radix == 8)
|
if (radix == 8)
|
{
|
{
|
if (nbits == 0)
|
if (nbits == 0)
|
{
|
{
|
if (c == '0')
|
if (c == '0')
|
/* Ignore leading zeroes. */
|
/* Ignore leading zeroes. */
|
;
|
;
|
else if (c == '1')
|
else if (c == '1')
|
nbits = 1;
|
nbits = 1;
|
else if (c == '2' || c == '3')
|
else if (c == '2' || c == '3')
|
nbits = 2;
|
nbits = 2;
|
else
|
else
|
nbits = 3;
|
nbits = 3;
|
}
|
}
|
else
|
else
|
nbits += 3;
|
nbits += 3;
|
}
|
}
|
}
|
}
|
if (end)
|
if (end)
|
{
|
{
|
if (c && c != end)
|
if (c && c != end)
|
{
|
{
|
if (bits != NULL)
|
if (bits != NULL)
|
*bits = -1;
|
*bits = -1;
|
return 0;
|
return 0;
|
}
|
}
|
}
|
}
|
else
|
else
|
--p;
|
--p;
|
|
|
*pp = p;
|
*pp = p;
|
if (overflow)
|
if (overflow)
|
{
|
{
|
if (nbits == 0)
|
if (nbits == 0)
|
{
|
{
|
/* Large decimal constants are an error (because it is hard to
|
/* Large decimal constants are an error (because it is hard to
|
count how many bits are in them). */
|
count how many bits are in them). */
|
if (bits != NULL)
|
if (bits != NULL)
|
*bits = -1;
|
*bits = -1;
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* -0x7f is the same as 0x80. So deal with it by adding one to
|
/* -0x7f is the same as 0x80. So deal with it by adding one to
|
the number of bits. */
|
the number of bits. */
|
if (sign == -1)
|
if (sign == -1)
|
++nbits;
|
++nbits;
|
if (bits)
|
if (bits)
|
*bits = nbits;
|
*bits = nbits;
|
}
|
}
|
else
|
else
|
{
|
{
|
if (bits)
|
if (bits)
|
*bits = 0;
|
*bits = 0;
|
return n * sign;
|
return n * sign;
|
}
|
}
|
/* It's *BITS which has the interesting information. */
|
/* It's *BITS which has the interesting information. */
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static struct type *
|
static struct type *
|
read_range_type (pp, typenums, objfile)
|
read_range_type (pp, typenums, objfile)
|
char **pp;
|
char **pp;
|
int typenums[2];
|
int typenums[2];
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
char *orig_pp = *pp;
|
char *orig_pp = *pp;
|
int rangenums[2];
|
int rangenums[2];
|
long n2, n3;
|
long n2, n3;
|
int n2bits, n3bits;
|
int n2bits, n3bits;
|
int self_subrange;
|
int self_subrange;
|
struct type *result_type;
|
struct type *result_type;
|
struct type *index_type = NULL;
|
struct type *index_type = NULL;
|
|
|
/* First comes a type we are a subrange of.
|
/* First comes a type we are a subrange of.
|
In C it is usually 0, 1 or the type being defined. */
|
In C it is usually 0, 1 or the type being defined. */
|
if (read_type_number (pp, rangenums) != 0)
|
if (read_type_number (pp, rangenums) != 0)
|
return error_type (pp, objfile);
|
return error_type (pp, objfile);
|
self_subrange = (rangenums[0] == typenums[0] &&
|
self_subrange = (rangenums[0] == typenums[0] &&
|
rangenums[1] == typenums[1]);
|
rangenums[1] == typenums[1]);
|
|
|
if (**pp == '=')
|
if (**pp == '=')
|
{
|
{
|
*pp = orig_pp;
|
*pp = orig_pp;
|
index_type = read_type (pp, objfile);
|
index_type = read_type (pp, objfile);
|
}
|
}
|
|
|
/* A semicolon should now follow; skip it. */
|
/* A semicolon should now follow; skip it. */
|
if (**pp == ';')
|
if (**pp == ';')
|
(*pp)++;
|
(*pp)++;
|
|
|
/* The remaining two operands are usually lower and upper bounds
|
/* The remaining two operands are usually lower and upper bounds
|
of the range. But in some special cases they mean something else. */
|
of the range. But in some special cases they mean something else. */
|
n2 = read_huge_number (pp, ';', &n2bits);
|
n2 = read_huge_number (pp, ';', &n2bits);
|
n3 = read_huge_number (pp, ';', &n3bits);
|
n3 = read_huge_number (pp, ';', &n3bits);
|
|
|
if (n2bits == -1 || n3bits == -1)
|
if (n2bits == -1 || n3bits == -1)
|
return error_type (pp, objfile);
|
return error_type (pp, objfile);
|
|
|
if (index_type)
|
if (index_type)
|
goto handle_true_range;
|
goto handle_true_range;
|
|
|
/* If limits are huge, must be large integral type. */
|
/* If limits are huge, must be large integral type. */
|
if (n2bits != 0 || n3bits != 0)
|
if (n2bits != 0 || n3bits != 0)
|
{
|
{
|
char got_signed = 0;
|
char got_signed = 0;
|
char got_unsigned = 0;
|
char got_unsigned = 0;
|
/* Number of bits in the type. */
|
/* Number of bits in the type. */
|
int nbits = 0;
|
int nbits = 0;
|
|
|
/* Range from 0 to <large number> is an unsigned large integral type. */
|
/* Range from 0 to <large number> is an unsigned large integral type. */
|
if ((n2bits == 0 && n2 == 0) && n3bits != 0)
|
if ((n2bits == 0 && n2 == 0) && n3bits != 0)
|
{
|
{
|
got_unsigned = 1;
|
got_unsigned = 1;
|
nbits = n3bits;
|
nbits = n3bits;
|
}
|
}
|
/* Range from <large number> to <large number>-1 is a large signed
|
/* Range from <large number> to <large number>-1 is a large signed
|
integral type. Take care of the case where <large number> doesn't
|
integral type. Take care of the case where <large number> doesn't
|
fit in a long but <large number>-1 does. */
|
fit in a long but <large number>-1 does. */
|
else if ((n2bits != 0 && n3bits != 0 && n2bits == n3bits + 1)
|
else if ((n2bits != 0 && n3bits != 0 && n2bits == n3bits + 1)
|
|| (n2bits != 0 && n3bits == 0
|
|| (n2bits != 0 && n3bits == 0
|
&& (n2bits == sizeof (long) * HOST_CHAR_BIT)
|
&& (n2bits == sizeof (long) * HOST_CHAR_BIT)
|
&& n3 == LONG_MAX))
|
&& n3 == LONG_MAX))
|
{
|
{
|
got_signed = 1;
|
got_signed = 1;
|
nbits = n2bits;
|
nbits = n2bits;
|
}
|
}
|
|
|
if (got_signed || got_unsigned)
|
if (got_signed || got_unsigned)
|
{
|
{
|
return init_type (TYPE_CODE_INT, nbits / TARGET_CHAR_BIT,
|
return init_type (TYPE_CODE_INT, nbits / TARGET_CHAR_BIT,
|
got_unsigned ? TYPE_FLAG_UNSIGNED : 0, NULL,
|
got_unsigned ? TYPE_FLAG_UNSIGNED : 0, NULL,
|
objfile);
|
objfile);
|
}
|
}
|
else
|
else
|
return error_type (pp, objfile);
|
return error_type (pp, objfile);
|
}
|
}
|
|
|
/* A type defined as a subrange of itself, with bounds both 0, is void. */
|
/* A type defined as a subrange of itself, with bounds both 0, is void. */
|
if (self_subrange && n2 == 0 && n3 == 0)
|
if (self_subrange && n2 == 0 && n3 == 0)
|
return init_type (TYPE_CODE_VOID, 1, 0, NULL, objfile);
|
return init_type (TYPE_CODE_VOID, 1, 0, NULL, objfile);
|
|
|
/* If n3 is zero and n2 is positive, we want a floating type, and n2
|
/* If n3 is zero and n2 is positive, we want a floating type, and n2
|
is the width in bytes.
|
is the width in bytes.
|
|
|
Fortran programs appear to use this for complex types also. To
|
Fortran programs appear to use this for complex types also. To
|
distinguish between floats and complex, g77 (and others?) seem
|
distinguish between floats and complex, g77 (and others?) seem
|
to use self-subranges for the complexes, and subranges of int for
|
to use self-subranges for the complexes, and subranges of int for
|
the floats.
|
the floats.
|
|
|
Also note that for complexes, g77 sets n2 to the size of one of
|
Also note that for complexes, g77 sets n2 to the size of one of
|
the member floats, not the whole complex beast. My guess is that
|
the member floats, not the whole complex beast. My guess is that
|
this was to work well with pre-COMPLEX versions of gdb. */
|
this was to work well with pre-COMPLEX versions of gdb. */
|
|
|
if (n3 == 0 && n2 > 0)
|
if (n3 == 0 && n2 > 0)
|
{
|
{
|
if (self_subrange)
|
if (self_subrange)
|
{
|
{
|
return init_type (TYPE_CODE_COMPLEX, 2 * n2, 0, NULL, objfile);
|
return init_type (TYPE_CODE_COMPLEX, 2 * n2, 0, NULL, objfile);
|
}
|
}
|
else
|
else
|
{
|
{
|
return init_type (TYPE_CODE_FLT, n2, 0, NULL, objfile);
|
return init_type (TYPE_CODE_FLT, n2, 0, NULL, objfile);
|
}
|
}
|
}
|
}
|
|
|
/* If the upper bound is -1, it must really be an unsigned int. */
|
/* If the upper bound is -1, it must really be an unsigned int. */
|
|
|
else if (n2 == 0 && n3 == -1)
|
else if (n2 == 0 && n3 == -1)
|
{
|
{
|
/* It is unsigned int or unsigned long. */
|
/* It is unsigned int or unsigned long. */
|
/* GCC 2.3.3 uses this for long long too, but that is just a GDB 3.5
|
/* GCC 2.3.3 uses this for long long too, but that is just a GDB 3.5
|
compatibility hack. */
|
compatibility hack. */
|
return init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT,
|
return init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT,
|
TYPE_FLAG_UNSIGNED, NULL, objfile);
|
TYPE_FLAG_UNSIGNED, NULL, objfile);
|
}
|
}
|
|
|
/* Special case: char is defined (Who knows why) as a subrange of
|
/* Special case: char is defined (Who knows why) as a subrange of
|
itself with range 0-127. */
|
itself with range 0-127. */
|
else if (self_subrange && n2 == 0 && n3 == 127)
|
else if (self_subrange && n2 == 0 && n3 == 127)
|
return init_type (TYPE_CODE_INT, 1, 0, NULL, objfile);
|
return init_type (TYPE_CODE_INT, 1, 0, NULL, objfile);
|
|
|
else if (current_symbol && SYMBOL_LANGUAGE (current_symbol) == language_chill
|
else if (current_symbol && SYMBOL_LANGUAGE (current_symbol) == language_chill
|
&& !self_subrange)
|
&& !self_subrange)
|
goto handle_true_range;
|
goto handle_true_range;
|
|
|
/* We used to do this only for subrange of self or subrange of int. */
|
/* We used to do this only for subrange of self or subrange of int. */
|
else if (n2 == 0)
|
else if (n2 == 0)
|
{
|
{
|
/* -1 is used for the upper bound of (4 byte) "unsigned int" and
|
/* -1 is used for the upper bound of (4 byte) "unsigned int" and
|
"unsigned long", and we already checked for that,
|
"unsigned long", and we already checked for that,
|
so don't need to test for it here. */
|
so don't need to test for it here. */
|
|
|
if (n3 < 0)
|
if (n3 < 0)
|
/* n3 actually gives the size. */
|
/* n3 actually gives the size. */
|
return init_type (TYPE_CODE_INT, -n3, TYPE_FLAG_UNSIGNED,
|
return init_type (TYPE_CODE_INT, -n3, TYPE_FLAG_UNSIGNED,
|
NULL, objfile);
|
NULL, objfile);
|
|
|
/* Is n3 == 2**(8n)-1 for some integer n? Then it's an
|
/* Is n3 == 2**(8n)-1 for some integer n? Then it's an
|
unsigned n-byte integer. But do require n to be a power of
|
unsigned n-byte integer. But do require n to be a power of
|
two; we don't want 3- and 5-byte integers flying around. */
|
two; we don't want 3- and 5-byte integers flying around. */
|
{
|
{
|
int bytes;
|
int bytes;
|
unsigned long bits;
|
unsigned long bits;
|
|
|
bits = n3;
|
bits = n3;
|
for (bytes = 0; (bits & 0xff) == 0xff; bytes++)
|
for (bytes = 0; (bits & 0xff) == 0xff; bytes++)
|
bits >>= 8;
|
bits >>= 8;
|
if (bits == 0
|
if (bits == 0
|
&& ((bytes - 1) & bytes) == 0) /* "bytes is a power of two" */
|
&& ((bytes - 1) & bytes) == 0) /* "bytes is a power of two" */
|
return init_type (TYPE_CODE_INT, bytes, TYPE_FLAG_UNSIGNED, NULL,
|
return init_type (TYPE_CODE_INT, bytes, TYPE_FLAG_UNSIGNED, NULL,
|
objfile);
|
objfile);
|
}
|
}
|
}
|
}
|
/* I think this is for Convex "long long". Since I don't know whether
|
/* I think this is for Convex "long long". Since I don't know whether
|
Convex sets self_subrange, I also accept that particular size regardless
|
Convex sets self_subrange, I also accept that particular size regardless
|
of self_subrange. */
|
of self_subrange. */
|
else if (n3 == 0 && n2 < 0
|
else if (n3 == 0 && n2 < 0
|
&& (self_subrange
|
&& (self_subrange
|
|| n2 == -TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT))
|
|| n2 == -TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT))
|
return init_type (TYPE_CODE_INT, -n2, 0, NULL, objfile);
|
return init_type (TYPE_CODE_INT, -n2, 0, NULL, objfile);
|
else if (n2 == -n3 - 1)
|
else if (n2 == -n3 - 1)
|
{
|
{
|
if (n3 == 0x7f)
|
if (n3 == 0x7f)
|
return init_type (TYPE_CODE_INT, 1, 0, NULL, objfile);
|
return init_type (TYPE_CODE_INT, 1, 0, NULL, objfile);
|
if (n3 == 0x7fff)
|
if (n3 == 0x7fff)
|
return init_type (TYPE_CODE_INT, 2, 0, NULL, objfile);
|
return init_type (TYPE_CODE_INT, 2, 0, NULL, objfile);
|
if (n3 == 0x7fffffff)
|
if (n3 == 0x7fffffff)
|
return init_type (TYPE_CODE_INT, 4, 0, NULL, objfile);
|
return init_type (TYPE_CODE_INT, 4, 0, NULL, objfile);
|
}
|
}
|
|
|
/* We have a real range type on our hands. Allocate space and
|
/* We have a real range type on our hands. Allocate space and
|
return a real pointer. */
|
return a real pointer. */
|
handle_true_range:
|
handle_true_range:
|
|
|
if (self_subrange)
|
if (self_subrange)
|
index_type = builtin_type_int;
|
index_type = builtin_type_int;
|
else
|
else
|
index_type = *dbx_lookup_type (rangenums);
|
index_type = *dbx_lookup_type (rangenums);
|
if (index_type == NULL)
|
if (index_type == NULL)
|
{
|
{
|
/* Does this actually ever happen? Is that why we are worrying
|
/* Does this actually ever happen? Is that why we are worrying
|
about dealing with it rather than just calling error_type? */
|
about dealing with it rather than just calling error_type? */
|
|
|
static struct type *range_type_index;
|
static struct type *range_type_index;
|
|
|
complain (&range_type_base_complaint, rangenums[1]);
|
complain (&range_type_base_complaint, rangenums[1]);
|
if (range_type_index == NULL)
|
if (range_type_index == NULL)
|
range_type_index =
|
range_type_index =
|
init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT,
|
init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT,
|
0, "range type index type", NULL);
|
0, "range type index type", NULL);
|
index_type = range_type_index;
|
index_type = range_type_index;
|
}
|
}
|
|
|
result_type = create_range_type ((struct type *) NULL, index_type, n2, n3);
|
result_type = create_range_type ((struct type *) NULL, index_type, n2, n3);
|
return (result_type);
|
return (result_type);
|
}
|
}
|
|
|
/* Read in an argument list. This is a list of types, separated by commas
|
/* Read in an argument list. This is a list of types, separated by commas
|
and terminated with END. Return the list of types read in, or (struct type
|
and terminated with END. Return the list of types read in, or (struct type
|
**)-1 if there is an error. */
|
**)-1 if there is an error. */
|
|
|
static struct type **
|
static struct type **
|
read_args (pp, end, objfile)
|
read_args (pp, end, objfile)
|
char **pp;
|
char **pp;
|
int end;
|
int end;
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
/* FIXME! Remove this arbitrary limit! */
|
/* FIXME! Remove this arbitrary limit! */
|
struct type *types[1024], **rval; /* allow for fns of 1023 parameters */
|
struct type *types[1024], **rval; /* allow for fns of 1023 parameters */
|
int n = 0;
|
int n = 0;
|
|
|
while (**pp != end)
|
while (**pp != end)
|
{
|
{
|
if (**pp != ',')
|
if (**pp != ',')
|
/* Invalid argument list: no ','. */
|
/* Invalid argument list: no ','. */
|
return (struct type **) -1;
|
return (struct type **) -1;
|
(*pp)++;
|
(*pp)++;
|
STABS_CONTINUE (pp, objfile);
|
STABS_CONTINUE (pp, objfile);
|
types[n++] = read_type (pp, objfile);
|
types[n++] = read_type (pp, objfile);
|
}
|
}
|
(*pp)++; /* get past `end' (the ':' character) */
|
(*pp)++; /* get past `end' (the ':' character) */
|
|
|
if (n == 1)
|
if (n == 1)
|
{
|
{
|
rval = (struct type **) xmalloc (2 * sizeof (struct type *));
|
rval = (struct type **) xmalloc (2 * sizeof (struct type *));
|
}
|
}
|
else if (TYPE_CODE (types[n - 1]) != TYPE_CODE_VOID)
|
else if (TYPE_CODE (types[n - 1]) != TYPE_CODE_VOID)
|
{
|
{
|
rval = (struct type **) xmalloc ((n + 1) * sizeof (struct type *));
|
rval = (struct type **) xmalloc ((n + 1) * sizeof (struct type *));
|
memset (rval + n, 0, sizeof (struct type *));
|
memset (rval + n, 0, sizeof (struct type *));
|
}
|
}
|
else
|
else
|
{
|
{
|
rval = (struct type **) xmalloc (n * sizeof (struct type *));
|
rval = (struct type **) xmalloc (n * sizeof (struct type *));
|
}
|
}
|
memcpy (rval, types, n * sizeof (struct type *));
|
memcpy (rval, types, n * sizeof (struct type *));
|
return rval;
|
return rval;
|
}
|
}
|
|
|
/* Common block handling. */
|
/* Common block handling. */
|
|
|
/* List of symbols declared since the last BCOMM. This list is a tail
|
/* List of symbols declared since the last BCOMM. This list is a tail
|
of local_symbols. When ECOMM is seen, the symbols on the list
|
of local_symbols. When ECOMM is seen, the symbols on the list
|
are noted so their proper addresses can be filled in later,
|
are noted so their proper addresses can be filled in later,
|
using the common block base address gotten from the assembler
|
using the common block base address gotten from the assembler
|
stabs. */
|
stabs. */
|
|
|
static struct pending *common_block;
|
static struct pending *common_block;
|
static int common_block_i;
|
static int common_block_i;
|
|
|
/* Name of the current common block. We get it from the BCOMM instead of the
|
/* Name of the current common block. We get it from the BCOMM instead of the
|
ECOMM to match IBM documentation (even though IBM puts the name both places
|
ECOMM to match IBM documentation (even though IBM puts the name both places
|
like everyone else). */
|
like everyone else). */
|
static char *common_block_name;
|
static char *common_block_name;
|
|
|
/* Process a N_BCOMM symbol. The storage for NAME is not guaranteed
|
/* Process a N_BCOMM symbol. The storage for NAME is not guaranteed
|
to remain after this function returns. */
|
to remain after this function returns. */
|
|
|
void
|
void
|
common_block_start (name, objfile)
|
common_block_start (name, objfile)
|
char *name;
|
char *name;
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
if (common_block_name != NULL)
|
if (common_block_name != NULL)
|
{
|
{
|
static struct complaint msg =
|
static struct complaint msg =
|
{
|
{
|
"Invalid symbol data: common block within common block",
|
"Invalid symbol data: common block within common block",
|
0, 0};
|
0, 0};
|
complain (&msg);
|
complain (&msg);
|
}
|
}
|
common_block = local_symbols;
|
common_block = local_symbols;
|
common_block_i = local_symbols ? local_symbols->nsyms : 0;
|
common_block_i = local_symbols ? local_symbols->nsyms : 0;
|
common_block_name = obsavestring (name, strlen (name),
|
common_block_name = obsavestring (name, strlen (name),
|
&objfile->symbol_obstack);
|
&objfile->symbol_obstack);
|
}
|
}
|
|
|
/* Process a N_ECOMM symbol. */
|
/* Process a N_ECOMM symbol. */
|
|
|
void
|
void
|
common_block_end (objfile)
|
common_block_end (objfile)
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
/* Symbols declared since the BCOMM are to have the common block
|
/* Symbols declared since the BCOMM are to have the common block
|
start address added in when we know it. common_block and
|
start address added in when we know it. common_block and
|
common_block_i point to the first symbol after the BCOMM in
|
common_block_i point to the first symbol after the BCOMM in
|
the local_symbols list; copy the list and hang it off the
|
the local_symbols list; copy the list and hang it off the
|
symbol for the common block name for later fixup. */
|
symbol for the common block name for later fixup. */
|
int i;
|
int i;
|
struct symbol *sym;
|
struct symbol *sym;
|
struct pending *new = 0;
|
struct pending *new = 0;
|
struct pending *next;
|
struct pending *next;
|
int j;
|
int j;
|
|
|
if (common_block_name == NULL)
|
if (common_block_name == NULL)
|
{
|
{
|
static struct complaint msg =
|
static struct complaint msg =
|
{"ECOMM symbol unmatched by BCOMM", 0, 0};
|
{"ECOMM symbol unmatched by BCOMM", 0, 0};
|
complain (&msg);
|
complain (&msg);
|
return;
|
return;
|
}
|
}
|
|
|
sym = (struct symbol *)
|
sym = (struct symbol *)
|
obstack_alloc (&objfile->symbol_obstack, sizeof (struct symbol));
|
obstack_alloc (&objfile->symbol_obstack, sizeof (struct symbol));
|
memset (sym, 0, sizeof (struct symbol));
|
memset (sym, 0, sizeof (struct symbol));
|
/* Note: common_block_name already saved on symbol_obstack */
|
/* Note: common_block_name already saved on symbol_obstack */
|
SYMBOL_NAME (sym) = common_block_name;
|
SYMBOL_NAME (sym) = common_block_name;
|
SYMBOL_CLASS (sym) = LOC_BLOCK;
|
SYMBOL_CLASS (sym) = LOC_BLOCK;
|
|
|
/* Now we copy all the symbols which have been defined since the BCOMM. */
|
/* Now we copy all the symbols which have been defined since the BCOMM. */
|
|
|
/* Copy all the struct pendings before common_block. */
|
/* Copy all the struct pendings before common_block. */
|
for (next = local_symbols;
|
for (next = local_symbols;
|
next != NULL && next != common_block;
|
next != NULL && next != common_block;
|
next = next->next)
|
next = next->next)
|
{
|
{
|
for (j = 0; j < next->nsyms; j++)
|
for (j = 0; j < next->nsyms; j++)
|
add_symbol_to_list (next->symbol[j], &new);
|
add_symbol_to_list (next->symbol[j], &new);
|
}
|
}
|
|
|
/* Copy however much of COMMON_BLOCK we need. If COMMON_BLOCK is
|
/* Copy however much of COMMON_BLOCK we need. If COMMON_BLOCK is
|
NULL, it means copy all the local symbols (which we already did
|
NULL, it means copy all the local symbols (which we already did
|
above). */
|
above). */
|
|
|
if (common_block != NULL)
|
if (common_block != NULL)
|
for (j = common_block_i; j < common_block->nsyms; j++)
|
for (j = common_block_i; j < common_block->nsyms; j++)
|
add_symbol_to_list (common_block->symbol[j], &new);
|
add_symbol_to_list (common_block->symbol[j], &new);
|
|
|
SYMBOL_TYPE (sym) = (struct type *) new;
|
SYMBOL_TYPE (sym) = (struct type *) new;
|
|
|
/* Should we be putting local_symbols back to what it was?
|
/* Should we be putting local_symbols back to what it was?
|
Does it matter? */
|
Does it matter? */
|
|
|
i = hashname (SYMBOL_NAME (sym));
|
i = hashname (SYMBOL_NAME (sym));
|
SYMBOL_VALUE_CHAIN (sym) = global_sym_chain[i];
|
SYMBOL_VALUE_CHAIN (sym) = global_sym_chain[i];
|
global_sym_chain[i] = sym;
|
global_sym_chain[i] = sym;
|
common_block_name = NULL;
|
common_block_name = NULL;
|
}
|
}
|
|
|
/* Add a common block's start address to the offset of each symbol
|
/* Add a common block's start address to the offset of each symbol
|
declared to be in it (by being between a BCOMM/ECOMM pair that uses
|
declared to be in it (by being between a BCOMM/ECOMM pair that uses
|
the common block name). */
|
the common block name). */
|
|
|
static void
|
static void
|
fix_common_block (sym, valu)
|
fix_common_block (sym, valu)
|
struct symbol *sym;
|
struct symbol *sym;
|
int valu;
|
int valu;
|
{
|
{
|
struct pending *next = (struct pending *) SYMBOL_TYPE (sym);
|
struct pending *next = (struct pending *) SYMBOL_TYPE (sym);
|
for (; next; next = next->next)
|
for (; next; next = next->next)
|
{
|
{
|
register int j;
|
register int j;
|
for (j = next->nsyms - 1; j >= 0; j--)
|
for (j = next->nsyms - 1; j >= 0; j--)
|
SYMBOL_VALUE_ADDRESS (next->symbol[j]) += valu;
|
SYMBOL_VALUE_ADDRESS (next->symbol[j]) += valu;
|
}
|
}
|
}
|
}
|
|
|
|
|
|
|
/* What about types defined as forward references inside of a small lexical
|
/* What about types defined as forward references inside of a small lexical
|
scope? */
|
scope? */
|
/* Add a type to the list of undefined types to be checked through
|
/* Add a type to the list of undefined types to be checked through
|
once this file has been read in. */
|
once this file has been read in. */
|
|
|
void
|
void
|
add_undefined_type (type)
|
add_undefined_type (type)
|
struct type *type;
|
struct type *type;
|
{
|
{
|
if (undef_types_length == undef_types_allocated)
|
if (undef_types_length == undef_types_allocated)
|
{
|
{
|
undef_types_allocated *= 2;
|
undef_types_allocated *= 2;
|
undef_types = (struct type **)
|
undef_types = (struct type **)
|
xrealloc ((char *) undef_types,
|
xrealloc ((char *) undef_types,
|
undef_types_allocated * sizeof (struct type *));
|
undef_types_allocated * sizeof (struct type *));
|
}
|
}
|
undef_types[undef_types_length++] = type;
|
undef_types[undef_types_length++] = type;
|
}
|
}
|
|
|
/* Go through each undefined type, see if it's still undefined, and fix it
|
/* Go through each undefined type, see if it's still undefined, and fix it
|
up if possible. We have two kinds of undefined types:
|
up if possible. We have two kinds of undefined types:
|
|
|
TYPE_CODE_ARRAY: Array whose target type wasn't defined yet.
|
TYPE_CODE_ARRAY: Array whose target type wasn't defined yet.
|
Fix: update array length using the element bounds
|
Fix: update array length using the element bounds
|
and the target type's length.
|
and the target type's length.
|
TYPE_CODE_STRUCT, TYPE_CODE_UNION: Structure whose fields were not
|
TYPE_CODE_STRUCT, TYPE_CODE_UNION: Structure whose fields were not
|
yet defined at the time a pointer to it was made.
|
yet defined at the time a pointer to it was made.
|
Fix: Do a full lookup on the struct/union tag. */
|
Fix: Do a full lookup on the struct/union tag. */
|
void
|
void
|
cleanup_undefined_types ()
|
cleanup_undefined_types ()
|
{
|
{
|
struct type **type;
|
struct type **type;
|
|
|
for (type = undef_types; type < undef_types + undef_types_length; type++)
|
for (type = undef_types; type < undef_types + undef_types_length; type++)
|
{
|
{
|
switch (TYPE_CODE (*type))
|
switch (TYPE_CODE (*type))
|
{
|
{
|
|
|
case TYPE_CODE_STRUCT:
|
case TYPE_CODE_STRUCT:
|
case TYPE_CODE_UNION:
|
case TYPE_CODE_UNION:
|
case TYPE_CODE_ENUM:
|
case TYPE_CODE_ENUM:
|
{
|
{
|
/* Check if it has been defined since. Need to do this here
|
/* Check if it has been defined since. Need to do this here
|
as well as in check_typedef to deal with the (legitimate in
|
as well as in check_typedef to deal with the (legitimate in
|
C though not C++) case of several types with the same name
|
C though not C++) case of several types with the same name
|
in different source files. */
|
in different source files. */
|
if (TYPE_FLAGS (*type) & TYPE_FLAG_STUB)
|
if (TYPE_FLAGS (*type) & TYPE_FLAG_STUB)
|
{
|
{
|
struct pending *ppt;
|
struct pending *ppt;
|
int i;
|
int i;
|
/* Name of the type, without "struct" or "union" */
|
/* Name of the type, without "struct" or "union" */
|
char *typename = TYPE_TAG_NAME (*type);
|
char *typename = TYPE_TAG_NAME (*type);
|
|
|
if (typename == NULL)
|
if (typename == NULL)
|
{
|
{
|
static struct complaint msg =
|
static struct complaint msg =
|
{"need a type name", 0, 0};
|
{"need a type name", 0, 0};
|
complain (&msg);
|
complain (&msg);
|
break;
|
break;
|
}
|
}
|
for (ppt = file_symbols; ppt; ppt = ppt->next)
|
for (ppt = file_symbols; ppt; ppt = ppt->next)
|
{
|
{
|
for (i = 0; i < ppt->nsyms; i++)
|
for (i = 0; i < ppt->nsyms; i++)
|
{
|
{
|
struct symbol *sym = ppt->symbol[i];
|
struct symbol *sym = ppt->symbol[i];
|
|
|
if (SYMBOL_CLASS (sym) == LOC_TYPEDEF
|
if (SYMBOL_CLASS (sym) == LOC_TYPEDEF
|
&& SYMBOL_NAMESPACE (sym) == STRUCT_NAMESPACE
|
&& SYMBOL_NAMESPACE (sym) == STRUCT_NAMESPACE
|
&& (TYPE_CODE (SYMBOL_TYPE (sym)) ==
|
&& (TYPE_CODE (SYMBOL_TYPE (sym)) ==
|
TYPE_CODE (*type))
|
TYPE_CODE (*type))
|
&& STREQ (SYMBOL_NAME (sym), typename))
|
&& STREQ (SYMBOL_NAME (sym), typename))
|
{
|
{
|
memcpy (*type, SYMBOL_TYPE (sym),
|
memcpy (*type, SYMBOL_TYPE (sym),
|
sizeof (struct type));
|
sizeof (struct type));
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
break;
|
break;
|
|
|
default:
|
default:
|
{
|
{
|
static struct complaint msg =
|
static struct complaint msg =
|
{"\
|
{"\
|
GDB internal error. cleanup_undefined_types with bad type %d.", 0, 0};
|
GDB internal error. cleanup_undefined_types with bad type %d.", 0, 0};
|
complain (&msg, TYPE_CODE (*type));
|
complain (&msg, TYPE_CODE (*type));
|
}
|
}
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
undef_types_length = 0;
|
undef_types_length = 0;
|
}
|
}
|
|
|
/* Scan through all of the global symbols defined in the object file,
|
/* Scan through all of the global symbols defined in the object file,
|
assigning values to the debugging symbols that need to be assigned
|
assigning values to the debugging symbols that need to be assigned
|
to. Get these symbols from the minimal symbol table. */
|
to. Get these symbols from the minimal symbol table. */
|
|
|
void
|
void
|
scan_file_globals (objfile)
|
scan_file_globals (objfile)
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
int hash;
|
int hash;
|
struct minimal_symbol *msymbol;
|
struct minimal_symbol *msymbol;
|
struct symbol *sym, *prev, *rsym;
|
struct symbol *sym, *prev, *rsym;
|
struct objfile *resolve_objfile;
|
struct objfile *resolve_objfile;
|
|
|
/* SVR4 based linkers copy referenced global symbols from shared
|
/* SVR4 based linkers copy referenced global symbols from shared
|
libraries to the main executable.
|
libraries to the main executable.
|
If we are scanning the symbols for a shared library, try to resolve
|
If we are scanning the symbols for a shared library, try to resolve
|
them from the minimal symbols of the main executable first. */
|
them from the minimal symbols of the main executable first. */
|
|
|
if (symfile_objfile && objfile != symfile_objfile)
|
if (symfile_objfile && objfile != symfile_objfile)
|
resolve_objfile = symfile_objfile;
|
resolve_objfile = symfile_objfile;
|
else
|
else
|
resolve_objfile = objfile;
|
resolve_objfile = objfile;
|
|
|
while (1)
|
while (1)
|
{
|
{
|
/* Avoid expensive loop through all minimal symbols if there are
|
/* Avoid expensive loop through all minimal symbols if there are
|
no unresolved symbols. */
|
no unresolved symbols. */
|
for (hash = 0; hash < HASHSIZE; hash++)
|
for (hash = 0; hash < HASHSIZE; hash++)
|
{
|
{
|
if (global_sym_chain[hash])
|
if (global_sym_chain[hash])
|
break;
|
break;
|
}
|
}
|
if (hash >= HASHSIZE)
|
if (hash >= HASHSIZE)
|
return;
|
return;
|
|
|
for (msymbol = resolve_objfile->msymbols;
|
for (msymbol = resolve_objfile->msymbols;
|
msymbol && SYMBOL_NAME (msymbol) != NULL;
|
msymbol && SYMBOL_NAME (msymbol) != NULL;
|
msymbol++)
|
msymbol++)
|
{
|
{
|
QUIT;
|
QUIT;
|
|
|
/* Skip static symbols. */
|
/* Skip static symbols. */
|
switch (MSYMBOL_TYPE (msymbol))
|
switch (MSYMBOL_TYPE (msymbol))
|
{
|
{
|
case mst_file_text:
|
case mst_file_text:
|
case mst_file_data:
|
case mst_file_data:
|
case mst_file_bss:
|
case mst_file_bss:
|
continue;
|
continue;
|
default:
|
default:
|
break;
|
break;
|
}
|
}
|
|
|
prev = NULL;
|
prev = NULL;
|
|
|
/* Get the hash index and check all the symbols
|
/* Get the hash index and check all the symbols
|
under that hash index. */
|
under that hash index. */
|
|
|
hash = hashname (SYMBOL_NAME (msymbol));
|
hash = hashname (SYMBOL_NAME (msymbol));
|
|
|
for (sym = global_sym_chain[hash]; sym;)
|
for (sym = global_sym_chain[hash]; sym;)
|
{
|
{
|
if (SYMBOL_NAME (msymbol)[0] == SYMBOL_NAME (sym)[0] &&
|
if (SYMBOL_NAME (msymbol)[0] == SYMBOL_NAME (sym)[0] &&
|
STREQ (SYMBOL_NAME (msymbol) + 1, SYMBOL_NAME (sym) + 1))
|
STREQ (SYMBOL_NAME (msymbol) + 1, SYMBOL_NAME (sym) + 1))
|
{
|
{
|
|
|
struct alias_list *aliases;
|
struct alias_list *aliases;
|
|
|
/* Splice this symbol out of the hash chain and
|
/* Splice this symbol out of the hash chain and
|
assign the value we have to it. */
|
assign the value we have to it. */
|
if (prev)
|
if (prev)
|
{
|
{
|
SYMBOL_VALUE_CHAIN (prev) = SYMBOL_VALUE_CHAIN (sym);
|
SYMBOL_VALUE_CHAIN (prev) = SYMBOL_VALUE_CHAIN (sym);
|
}
|
}
|
else
|
else
|
{
|
{
|
global_sym_chain[hash] = SYMBOL_VALUE_CHAIN (sym);
|
global_sym_chain[hash] = SYMBOL_VALUE_CHAIN (sym);
|
}
|
}
|
|
|
/* Check to see whether we need to fix up a common block. */
|
/* Check to see whether we need to fix up a common block. */
|
/* Note: this code might be executed several times for
|
/* Note: this code might be executed several times for
|
the same symbol if there are multiple references. */
|
the same symbol if there are multiple references. */
|
|
|
/* If symbol has aliases, do minimal symbol fixups for each.
|
/* If symbol has aliases, do minimal symbol fixups for each.
|
These live aliases/references weren't added to
|
These live aliases/references weren't added to
|
global_sym_chain hash but may also need to be fixed up. */
|
global_sym_chain hash but may also need to be fixed up. */
|
/* FIXME: Maybe should have added aliases to the global chain, resolved symbol name, then treated aliases as normal
|
/* FIXME: Maybe should have added aliases to the global chain, resolved symbol name, then treated aliases as normal
|
symbols? Still, we wouldn't want to add_to_list. */
|
symbols? Still, we wouldn't want to add_to_list. */
|
/* Now do the same for each alias of this symbol */
|
/* Now do the same for each alias of this symbol */
|
rsym = sym;
|
rsym = sym;
|
aliases = SYMBOL_ALIASES (sym);
|
aliases = SYMBOL_ALIASES (sym);
|
while (rsym)
|
while (rsym)
|
{
|
{
|
if (SYMBOL_CLASS (rsym) == LOC_BLOCK)
|
if (SYMBOL_CLASS (rsym) == LOC_BLOCK)
|
{
|
{
|
fix_common_block (rsym,
|
fix_common_block (rsym,
|
SYMBOL_VALUE_ADDRESS (msymbol));
|
SYMBOL_VALUE_ADDRESS (msymbol));
|
}
|
}
|
else
|
else
|
{
|
{
|
SYMBOL_VALUE_ADDRESS (rsym)
|
SYMBOL_VALUE_ADDRESS (rsym)
|
= SYMBOL_VALUE_ADDRESS (msymbol);
|
= SYMBOL_VALUE_ADDRESS (msymbol);
|
}
|
}
|
SYMBOL_SECTION (rsym) = SYMBOL_SECTION (msymbol);
|
SYMBOL_SECTION (rsym) = SYMBOL_SECTION (msymbol);
|
if (aliases)
|
if (aliases)
|
{
|
{
|
rsym = aliases->sym;
|
rsym = aliases->sym;
|
aliases = aliases->next;
|
aliases = aliases->next;
|
}
|
}
|
else
|
else
|
rsym = NULL;
|
rsym = NULL;
|
}
|
}
|
|
|
|
|
if (prev)
|
if (prev)
|
{
|
{
|
sym = SYMBOL_VALUE_CHAIN (prev);
|
sym = SYMBOL_VALUE_CHAIN (prev);
|
}
|
}
|
else
|
else
|
{
|
{
|
sym = global_sym_chain[hash];
|
sym = global_sym_chain[hash];
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
prev = sym;
|
prev = sym;
|
sym = SYMBOL_VALUE_CHAIN (sym);
|
sym = SYMBOL_VALUE_CHAIN (sym);
|
}
|
}
|
}
|
}
|
}
|
}
|
if (resolve_objfile == objfile)
|
if (resolve_objfile == objfile)
|
break;
|
break;
|
resolve_objfile = objfile;
|
resolve_objfile = objfile;
|
}
|
}
|
|
|
/* Change the storage class of any remaining unresolved globals to
|
/* Change the storage class of any remaining unresolved globals to
|
LOC_UNRESOLVED and remove them from the chain. */
|
LOC_UNRESOLVED and remove them from the chain. */
|
for (hash = 0; hash < HASHSIZE; hash++)
|
for (hash = 0; hash < HASHSIZE; hash++)
|
{
|
{
|
sym = global_sym_chain[hash];
|
sym = global_sym_chain[hash];
|
while (sym)
|
while (sym)
|
{
|
{
|
prev = sym;
|
prev = sym;
|
sym = SYMBOL_VALUE_CHAIN (sym);
|
sym = SYMBOL_VALUE_CHAIN (sym);
|
|
|
/* Change the symbol address from the misleading chain value
|
/* Change the symbol address from the misleading chain value
|
to address zero. */
|
to address zero. */
|
SYMBOL_VALUE_ADDRESS (prev) = 0;
|
SYMBOL_VALUE_ADDRESS (prev) = 0;
|
|
|
/* Complain about unresolved common block symbols. */
|
/* Complain about unresolved common block symbols. */
|
if (SYMBOL_CLASS (prev) == LOC_STATIC)
|
if (SYMBOL_CLASS (prev) == LOC_STATIC)
|
SYMBOL_CLASS (prev) = LOC_UNRESOLVED;
|
SYMBOL_CLASS (prev) = LOC_UNRESOLVED;
|
else
|
else
|
complain (&unresolved_sym_chain_complaint,
|
complain (&unresolved_sym_chain_complaint,
|
objfile->name, SYMBOL_NAME (prev));
|
objfile->name, SYMBOL_NAME (prev));
|
}
|
}
|
}
|
}
|
memset (global_sym_chain, 0, sizeof (global_sym_chain));
|
memset (global_sym_chain, 0, sizeof (global_sym_chain));
|
}
|
}
|
|
|
/* Initialize anything that needs initializing when starting to read
|
/* Initialize anything that needs initializing when starting to read
|
a fresh piece of a symbol file, e.g. reading in the stuff corresponding
|
a fresh piece of a symbol file, e.g. reading in the stuff corresponding
|
to a psymtab. */
|
to a psymtab. */
|
|
|
void
|
void
|
stabsread_init ()
|
stabsread_init ()
|
{
|
{
|
}
|
}
|
|
|
/* Initialize anything that needs initializing when a completely new
|
/* Initialize anything that needs initializing when a completely new
|
symbol file is specified (not just adding some symbols from another
|
symbol file is specified (not just adding some symbols from another
|
file, e.g. a shared library). */
|
file, e.g. a shared library). */
|
|
|
void
|
void
|
stabsread_new_init ()
|
stabsread_new_init ()
|
{
|
{
|
/* Empty the hash table of global syms looking for values. */
|
/* Empty the hash table of global syms looking for values. */
|
memset (global_sym_chain, 0, sizeof (global_sym_chain));
|
memset (global_sym_chain, 0, sizeof (global_sym_chain));
|
}
|
}
|
|
|
/* Initialize anything that needs initializing at the same time as
|
/* Initialize anything that needs initializing at the same time as
|
start_symtab() is called. */
|
start_symtab() is called. */
|
|
|
void
|
void
|
start_stabs ()
|
start_stabs ()
|
{
|
{
|
global_stabs = NULL; /* AIX COFF */
|
global_stabs = NULL; /* AIX COFF */
|
/* Leave FILENUM of 0 free for builtin types and this file's types. */
|
/* Leave FILENUM of 0 free for builtin types and this file's types. */
|
n_this_object_header_files = 1;
|
n_this_object_header_files = 1;
|
type_vector_length = 0;
|
type_vector_length = 0;
|
type_vector = (struct type **) 0;
|
type_vector = (struct type **) 0;
|
|
|
/* FIXME: If common_block_name is not already NULL, we should complain(). */
|
/* FIXME: If common_block_name is not already NULL, we should complain(). */
|
common_block_name = NULL;
|
common_block_name = NULL;
|
|
|
os9k_stabs = 0;
|
os9k_stabs = 0;
|
}
|
}
|
|
|
/* Call after end_symtab() */
|
/* Call after end_symtab() */
|
|
|
void
|
void
|
end_stabs ()
|
end_stabs ()
|
{
|
{
|
if (type_vector)
|
if (type_vector)
|
{
|
{
|
free ((char *) type_vector);
|
free ((char *) type_vector);
|
}
|
}
|
type_vector = 0;
|
type_vector = 0;
|
type_vector_length = 0;
|
type_vector_length = 0;
|
previous_stab_code = 0;
|
previous_stab_code = 0;
|
}
|
}
|
|
|
void
|
void
|
finish_global_stabs (objfile)
|
finish_global_stabs (objfile)
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
if (global_stabs)
|
if (global_stabs)
|
{
|
{
|
patch_block_stabs (global_symbols, global_stabs, objfile);
|
patch_block_stabs (global_symbols, global_stabs, objfile);
|
free ((PTR) global_stabs);
|
free ((PTR) global_stabs);
|
global_stabs = NULL;
|
global_stabs = NULL;
|
}
|
}
|
}
|
}
|
|
|
/* Initializer for this module */
|
/* Initializer for this module */
|
|
|
void
|
void
|
_initialize_stabsread ()
|
_initialize_stabsread ()
|
{
|
{
|
undef_types_allocated = 20;
|
undef_types_allocated = 20;
|
undef_types_length = 0;
|
undef_types_length = 0;
|
undef_types = (struct type **)
|
undef_types = (struct type **)
|
xmalloc (undef_types_allocated * sizeof (struct type *));
|
xmalloc (undef_types_allocated * sizeof (struct type *));
|
}
|
}
|
|
|
