/* Read coff symbol tables and convert to internal format, for GDB.
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/* Read coff symbol tables and convert to internal format, for GDB.
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Copyright 1987, 88, 89, 90, 91, 92, 93, 94, 96, 97, 1998
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Copyright 1987, 88, 89, 90, 91, 92, 93, 94, 96, 97, 1998
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
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Contributed by David D. Johnson, Brown University (ddj@cs.brown.edu).
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Contributed by David D. Johnson, Brown University (ddj@cs.brown.edu).
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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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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
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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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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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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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#include "defs.h"
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#include "defs.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 "demangle.h"
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#include "demangle.h"
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#include "breakpoint.h"
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#include "breakpoint.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 "gdb_string.h"
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#include "gdb_string.h"
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#include <ctype.h>
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#include <ctype.h>
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#include "coff/internal.h" /* Internal format of COFF symbols in BFD */
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#include "coff/internal.h" /* Internal format of COFF symbols in BFD */
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#include "libcoff.h" /* FIXME secret internal data from BFD */
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#include "libcoff.h" /* FIXME secret internal data from BFD */
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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 "buildsym.h"
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#include "buildsym.h"
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#include "gdb-stabs.h"
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#include "gdb-stabs.h"
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#include "stabsread.h"
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#include "stabsread.h"
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#include "complaints.h"
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#include "complaints.h"
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#include "target.h"
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#include "target.h"
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extern void _initialize_coffread PARAMS ((void));
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extern void _initialize_coffread PARAMS ((void));
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struct coff_symfile_info
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struct coff_symfile_info
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{
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{
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file_ptr min_lineno_offset; /* Where in file lowest line#s are */
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file_ptr min_lineno_offset; /* Where in file lowest line#s are */
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file_ptr max_lineno_offset; /* 1+last byte of line#s in file */
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file_ptr max_lineno_offset; /* 1+last byte of line#s in file */
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CORE_ADDR textaddr; /* Addr of .text section. */
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CORE_ADDR textaddr; /* Addr of .text section. */
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unsigned int textsize; /* Size of .text section. */
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unsigned int textsize; /* Size of .text section. */
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struct stab_section_list *stabsects; /* .stab sections. */
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struct stab_section_list *stabsects; /* .stab sections. */
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asection *stabstrsect; /* Section pointer for .stab section */
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asection *stabstrsect; /* Section pointer for .stab section */
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char *stabstrdata;
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char *stabstrdata;
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};
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};
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/* Translate an external name string into a user-visible name. */
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/* Translate an external name string into a user-visible name. */
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#define EXTERNAL_NAME(string, abfd) \
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#define EXTERNAL_NAME(string, abfd) \
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(string[0] == bfd_get_symbol_leading_char(abfd)? string+1: string)
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(string[0] == bfd_get_symbol_leading_char(abfd)? string+1: string)
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/* To be an sdb debug type, type must have at least a basic or primary
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/* To be an sdb debug type, type must have at least a basic or primary
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derived type. Using this rather than checking against T_NULL is
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derived type. Using this rather than checking against T_NULL is
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said to prevent core dumps if we try to operate on Michael Bloom
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said to prevent core dumps if we try to operate on Michael Bloom
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dbx-in-coff file. */
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dbx-in-coff file. */
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#define SDB_TYPE(type) (BTYPE(type) | (type & N_TMASK))
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#define SDB_TYPE(type) (BTYPE(type) | (type & N_TMASK))
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/* Convert from an sdb register number to an internal gdb register number.
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/* Convert from an sdb register number to an internal gdb register number.
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This should be defined in tm.h, if REGISTER_NAMES is not set up
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This should be defined in tm.h, if REGISTER_NAMES is not set up
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to map one to one onto the sdb register numbers. */
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to map one to one onto the sdb register numbers. */
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#ifndef SDB_REG_TO_REGNUM
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#ifndef SDB_REG_TO_REGNUM
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#define SDB_REG_TO_REGNUM(value) (value)
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#define SDB_REG_TO_REGNUM(value) (value)
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#endif
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#endif
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/* Core address of start and end of text of current source file.
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/* Core address of start and end of text of current source file.
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This comes from a ".text" symbol where x_nlinno > 0. */
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This comes from a ".text" symbol where x_nlinno > 0. */
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static CORE_ADDR current_source_start_addr;
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static CORE_ADDR current_source_start_addr;
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static CORE_ADDR current_source_end_addr;
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static CORE_ADDR current_source_end_addr;
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/* The addresses of the symbol table stream and number of symbols
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/* The addresses of the symbol table stream and number of symbols
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of the object file we are reading (as copied into core). */
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of the object file we are reading (as copied into core). */
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static bfd *nlist_bfd_global;
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static bfd *nlist_bfd_global;
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static int nlist_nsyms_global;
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static int nlist_nsyms_global;
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/* Pointers to scratch storage, used for reading raw symbols and auxents. */
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/* Pointers to scratch storage, used for reading raw symbols and auxents. */
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static char *temp_sym;
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static char *temp_sym;
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static char *temp_aux;
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static char *temp_aux;
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/* Local variables that hold the shift and mask values for the
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/* Local variables that hold the shift and mask values for the
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COFF file that we are currently reading. These come back to us
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COFF file that we are currently reading. These come back to us
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from BFD, and are referenced by their macro names, as well as
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from BFD, and are referenced by their macro names, as well as
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internally to the BTYPE, ISPTR, ISFCN, ISARY, ISTAG, and DECREF
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internally to the BTYPE, ISPTR, ISFCN, ISARY, ISTAG, and DECREF
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macros from include/coff/internal.h . */
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macros from include/coff/internal.h . */
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static unsigned local_n_btmask;
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static unsigned local_n_btmask;
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static unsigned local_n_btshft;
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static unsigned local_n_btshft;
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static unsigned local_n_tmask;
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static unsigned local_n_tmask;
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static unsigned local_n_tshift;
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static unsigned local_n_tshift;
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#define N_BTMASK local_n_btmask
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#define N_BTMASK local_n_btmask
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#define N_BTSHFT local_n_btshft
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#define N_BTSHFT local_n_btshft
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#define N_TMASK local_n_tmask
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#define N_TMASK local_n_tmask
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#define N_TSHIFT local_n_tshift
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#define N_TSHIFT local_n_tshift
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/* Local variables that hold the sizes in the file of various COFF structures.
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/* Local variables that hold the sizes in the file of various COFF structures.
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(We only need to know this to read them from the file -- BFD will then
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(We only need to know this to read them from the file -- BFD will then
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translate the data in them, into `internal_xxx' structs in the right
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translate the data in them, into `internal_xxx' structs in the right
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byte order, alignment, etc.) */
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byte order, alignment, etc.) */
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static unsigned local_linesz;
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static unsigned local_linesz;
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static unsigned local_symesz;
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static unsigned local_symesz;
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static unsigned local_auxesz;
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static unsigned local_auxesz;
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/* This is set if this is a PE format file. */
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/* This is set if this is a PE format file. */
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static int pe_file;
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static int pe_file;
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/* Chain of typedefs of pointers to empty struct/union types.
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/* Chain of typedefs of pointers to empty struct/union types.
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They are chained thru the SYMBOL_VALUE_CHAIN. */
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They are chained thru the SYMBOL_VALUE_CHAIN. */
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static struct symbol *opaque_type_chain[HASHSIZE];
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static struct symbol *opaque_type_chain[HASHSIZE];
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/* Complaints about various problems in the file being read */
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/* Complaints about various problems in the file being read */
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struct complaint ef_complaint =
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struct complaint ef_complaint =
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{"Unmatched .ef symbol(s) ignored starting at symnum %d", 0, 0};
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{"Unmatched .ef symbol(s) ignored starting at symnum %d", 0, 0};
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struct complaint ef_stack_complaint =
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struct complaint ef_stack_complaint =
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{"`.ef' symbol without matching `.bf' symbol ignored starting at symnum %d", 0, 0};
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{"`.ef' symbol without matching `.bf' symbol ignored starting at symnum %d", 0, 0};
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struct complaint eb_stack_complaint =
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struct complaint eb_stack_complaint =
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{"`.eb' symbol without matching `.bb' symbol ignored starting at symnum %d", 0, 0};
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{"`.eb' symbol without matching `.bb' symbol ignored starting at symnum %d", 0, 0};
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struct complaint bf_no_aux_complaint =
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struct complaint bf_no_aux_complaint =
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{"`.bf' symbol %d has no aux entry", 0, 0};
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{"`.bf' symbol %d has no aux entry", 0, 0};
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struct complaint ef_no_aux_complaint =
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struct complaint ef_no_aux_complaint =
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{"`.ef' symbol %d has no aux entry", 0, 0};
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{"`.ef' symbol %d has no aux entry", 0, 0};
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struct complaint lineno_complaint =
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struct complaint lineno_complaint =
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{"Line number pointer %d lower than start of line numbers", 0, 0};
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{"Line number pointer %d lower than start of line numbers", 0, 0};
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struct complaint unexpected_type_complaint =
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struct complaint unexpected_type_complaint =
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{"Unexpected type for symbol %s", 0, 0};
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{"Unexpected type for symbol %s", 0, 0};
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struct complaint bad_sclass_complaint =
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struct complaint bad_sclass_complaint =
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{"Bad n_sclass for symbol %s", 0, 0};
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{"Bad n_sclass for symbol %s", 0, 0};
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struct complaint misordered_blocks_complaint =
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struct complaint misordered_blocks_complaint =
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{"Blocks out of order at address %x", 0, 0};
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{"Blocks out of order at address %x", 0, 0};
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struct complaint tagndx_bad_complaint =
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struct complaint tagndx_bad_complaint =
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{"Symbol table entry for %s has bad tagndx value", 0, 0};
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{"Symbol table entry for %s has bad tagndx value", 0, 0};
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struct complaint eb_complaint =
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struct complaint eb_complaint =
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{"Mismatched .eb symbol ignored starting at symnum %d", 0, 0};
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{"Mismatched .eb symbol ignored starting at symnum %d", 0, 0};
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/* Simplified internal version of coff symbol table information */
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/* Simplified internal version of coff symbol table information */
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struct coff_symbol
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struct coff_symbol
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{
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{
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char *c_name;
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char *c_name;
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int c_symnum; /* symbol number of this entry */
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int c_symnum; /* symbol number of this entry */
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int c_naux; /* 0 if syment only, 1 if syment + auxent, etc */
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int c_naux; /* 0 if syment only, 1 if syment + auxent, etc */
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long c_value;
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long c_value;
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int c_sclass;
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int c_sclass;
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int c_secnum;
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int c_secnum;
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unsigned int c_type;
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unsigned int c_type;
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};
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};
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extern void stabsread_clear_cache PARAMS ((void));
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extern void stabsread_clear_cache PARAMS ((void));
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static struct type *coff_read_struct_type PARAMS ((int, int, int));
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static struct type *coff_read_struct_type PARAMS ((int, int, int));
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static struct type *decode_base_type PARAMS ((struct coff_symbol *,
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static struct type *decode_base_type PARAMS ((struct coff_symbol *,
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unsigned int,
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unsigned int,
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union internal_auxent *));
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union internal_auxent *));
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static struct type *decode_type PARAMS ((struct coff_symbol *, unsigned int,
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static struct type *decode_type PARAMS ((struct coff_symbol *, unsigned int,
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union internal_auxent *));
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union internal_auxent *));
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static struct type *decode_function_type PARAMS ((struct coff_symbol *,
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static struct type *decode_function_type PARAMS ((struct coff_symbol *,
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unsigned int,
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unsigned int,
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union internal_auxent *));
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union internal_auxent *));
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static struct type *coff_read_enum_type PARAMS ((int, int, int));
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static struct type *coff_read_enum_type PARAMS ((int, int, int));
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static struct symbol *process_coff_symbol PARAMS ((struct coff_symbol *,
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static struct symbol *process_coff_symbol PARAMS ((struct coff_symbol *,
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union internal_auxent *,
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union internal_auxent *,
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struct objfile *));
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struct objfile *));
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static void patch_opaque_types PARAMS ((struct symtab *));
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static void patch_opaque_types PARAMS ((struct symtab *));
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static void patch_type PARAMS ((struct type *, struct type *));
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static void patch_type PARAMS ((struct type *, struct type *));
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static void enter_linenos PARAMS ((long, int, int, struct objfile *));
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static void enter_linenos PARAMS ((long, int, int, struct objfile *));
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static void free_linetab PARAMS ((void));
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static void free_linetab PARAMS ((void));
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static int init_lineno PARAMS ((bfd *, long, int));
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static int init_lineno PARAMS ((bfd *, long, int));
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static char *getsymname PARAMS ((struct internal_syment *));
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static char *getsymname PARAMS ((struct internal_syment *));
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static char *coff_getfilename PARAMS ((union internal_auxent *));
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static char *coff_getfilename PARAMS ((union internal_auxent *));
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static void free_stringtab PARAMS ((void));
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static void free_stringtab PARAMS ((void));
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static int init_stringtab PARAMS ((bfd *, long));
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static int init_stringtab PARAMS ((bfd *, long));
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static void read_one_sym PARAMS ((struct coff_symbol *,
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static void read_one_sym PARAMS ((struct coff_symbol *,
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struct internal_syment *,
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struct internal_syment *,
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union internal_auxent *));
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union internal_auxent *));
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static void coff_symtab_read PARAMS ((long, unsigned int, struct objfile *));
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static void coff_symtab_read PARAMS ((long, unsigned int, struct objfile *));
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static void find_linenos PARAMS ((bfd *, sec_ptr, PTR));
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static void find_linenos PARAMS ((bfd *, sec_ptr, PTR));
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static void coff_symfile_init PARAMS ((struct objfile *));
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static void coff_symfile_init PARAMS ((struct objfile *));
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static void coff_new_init PARAMS ((struct objfile *));
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static void coff_new_init PARAMS ((struct objfile *));
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static void coff_symfile_read PARAMS ((struct objfile *, int));
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static void coff_symfile_read PARAMS ((struct objfile *, int));
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static void coff_symfile_finish PARAMS ((struct objfile *));
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static void coff_symfile_finish PARAMS ((struct objfile *));
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static void record_minimal_symbol PARAMS ((char *, CORE_ADDR,
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static void record_minimal_symbol PARAMS ((char *, CORE_ADDR,
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enum minimal_symbol_type,
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enum minimal_symbol_type,
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struct objfile *));
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struct objfile *));
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static void coff_end_symtab PARAMS ((struct objfile *));
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static void coff_end_symtab PARAMS ((struct objfile *));
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static void complete_symtab PARAMS ((char *, CORE_ADDR, unsigned int));
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static void complete_symtab PARAMS ((char *, CORE_ADDR, unsigned int));
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static void coff_start_symtab PARAMS ((char *));
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static void coff_start_symtab PARAMS ((char *));
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static struct type *coff_alloc_type PARAMS ((int));
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static struct type *coff_alloc_type PARAMS ((int));
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static struct type **coff_lookup_type PARAMS ((int));
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static struct type **coff_lookup_type PARAMS ((int));
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static void coff_locate_sections PARAMS ((bfd *, asection *, PTR));
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static void coff_locate_sections PARAMS ((bfd *, asection *, PTR));
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/* We are called once per section from coff_symfile_read. We
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/* We are called once per section from coff_symfile_read. We
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need to examine each section we are passed, check to see
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need to examine each section we are passed, check to see
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if it is something we are interested in processing, and
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if it is something we are interested in processing, and
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if so, stash away some access information for the section.
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if so, stash away some access information for the section.
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FIXME: The section names should not be hardwired strings (what
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FIXME: The section names should not be hardwired strings (what
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should they be? I don't think most object file formats have enough
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should they be? I don't think most object file formats have enough
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section flags to specify what kind of debug section it is
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section flags to specify what kind of debug section it is
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-kingdon). */
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-kingdon). */
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static void
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static void
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coff_locate_sections (abfd, sectp, csip)
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coff_locate_sections (abfd, sectp, csip)
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bfd *abfd;
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bfd *abfd;
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asection *sectp;
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asection *sectp;
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PTR csip;
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PTR csip;
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{
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{
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register struct coff_symfile_info *csi;
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register struct coff_symfile_info *csi;
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const char *name;
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const char *name;
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|
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csi = (struct coff_symfile_info *) csip;
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csi = (struct coff_symfile_info *) csip;
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name = bfd_get_section_name (abfd, sectp);
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name = bfd_get_section_name (abfd, sectp);
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if (STREQ (name, ".text"))
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if (STREQ (name, ".text"))
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{
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{
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csi->textaddr = bfd_section_vma (abfd, sectp);
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csi->textaddr = bfd_section_vma (abfd, sectp);
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csi->textsize += bfd_section_size (abfd, sectp);
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csi->textsize += bfd_section_size (abfd, sectp);
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}
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}
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else if (strncmp (name, ".text", sizeof ".text" - 1) == 0)
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else if (strncmp (name, ".text", sizeof ".text" - 1) == 0)
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{
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{
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csi->textsize += bfd_section_size (abfd, sectp);
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csi->textsize += bfd_section_size (abfd, sectp);
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}
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}
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else if (STREQ (name, ".stabstr"))
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else if (STREQ (name, ".stabstr"))
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{
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{
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csi->stabstrsect = sectp;
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csi->stabstrsect = sectp;
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}
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}
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else if (strncmp (name, ".stab", sizeof ".stab" - 1) == 0)
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else if (strncmp (name, ".stab", sizeof ".stab" - 1) == 0)
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{
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{
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const char *s;
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const char *s;
|
|
|
/* We can have multiple .stab sections if linked with
|
/* We can have multiple .stab sections if linked with
|
--split-by-reloc. */
|
--split-by-reloc. */
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for (s = name + sizeof ".stab" - 1; *s != '\0'; s++)
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for (s = name + sizeof ".stab" - 1; *s != '\0'; s++)
|
if (!isdigit (*s))
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if (!isdigit (*s))
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break;
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break;
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if (*s == '\0')
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if (*s == '\0')
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{
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{
|
struct stab_section_list *n, **pn;
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struct stab_section_list *n, **pn;
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|
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n = ((struct stab_section_list *)
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n = ((struct stab_section_list *)
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xmalloc (sizeof (struct stab_section_list)));
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xmalloc (sizeof (struct stab_section_list)));
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n->section = sectp;
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n->section = sectp;
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n->next = NULL;
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n->next = NULL;
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for (pn = &csi->stabsects; *pn != NULL; pn = &(*pn)->next)
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for (pn = &csi->stabsects; *pn != NULL; pn = &(*pn)->next)
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;
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;
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*pn = n;
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*pn = n;
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|
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/* This will be run after coffstab_build_psymtabs is called
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/* This will be run after coffstab_build_psymtabs is called
|
in coff_symfile_read, at which point we no longer need
|
in coff_symfile_read, at which point we no longer need
|
the information. */
|
the information. */
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make_cleanup (free, n);
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make_cleanup (free, n);
|
}
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}
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}
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}
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}
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}
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|
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/* Return the section_offsets* that CS points to. */
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/* Return the section_offsets* that CS points to. */
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static int cs_to_section PARAMS ((struct coff_symbol *, struct objfile *));
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static int cs_to_section PARAMS ((struct coff_symbol *, struct objfile *));
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|
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struct find_targ_sec_arg
|
struct find_targ_sec_arg
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{
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{
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int targ_index;
|
int targ_index;
|
asection **resultp;
|
asection **resultp;
|
};
|
};
|
|
|
static void find_targ_sec PARAMS ((bfd *, asection *, void *));
|
static void find_targ_sec PARAMS ((bfd *, asection *, void *));
|
|
|
static void
|
static void
|
find_targ_sec (abfd, sect, obj)
|
find_targ_sec (abfd, sect, obj)
|
bfd *abfd;
|
bfd *abfd;
|
asection *sect;
|
asection *sect;
|
PTR obj;
|
PTR obj;
|
{
|
{
|
struct find_targ_sec_arg *args = (struct find_targ_sec_arg *) obj;
|
struct find_targ_sec_arg *args = (struct find_targ_sec_arg *) obj;
|
if (sect->target_index == args->targ_index)
|
if (sect->target_index == args->targ_index)
|
*args->resultp = sect;
|
*args->resultp = sect;
|
}
|
}
|
|
|
/* Return the section number (SECT_OFF_*) that CS points to. */
|
/* Return the section number (SECT_OFF_*) that CS points to. */
|
static int
|
static int
|
cs_to_section (cs, objfile)
|
cs_to_section (cs, objfile)
|
struct coff_symbol *cs;
|
struct coff_symbol *cs;
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
asection *sect = NULL;
|
asection *sect = NULL;
|
struct find_targ_sec_arg args;
|
struct find_targ_sec_arg args;
|
int off = SECT_OFF_TEXT;
|
int off = SECT_OFF_TEXT;
|
|
|
args.targ_index = cs->c_secnum;
|
args.targ_index = cs->c_secnum;
|
args.resultp = §
|
args.resultp = §
|
bfd_map_over_sections (objfile->obfd, find_targ_sec, &args);
|
bfd_map_over_sections (objfile->obfd, find_targ_sec, &args);
|
if (sect != NULL)
|
if (sect != NULL)
|
{
|
{
|
/* This is the section. Figure out what SECT_OFF_* code it is. */
|
/* This is the section. Figure out what SECT_OFF_* code it is. */
|
if (bfd_get_section_flags (abfd, sect) & SEC_CODE)
|
if (bfd_get_section_flags (abfd, sect) & SEC_CODE)
|
off = SECT_OFF_TEXT;
|
off = SECT_OFF_TEXT;
|
else if (bfd_get_section_flags (abfd, sect) & SEC_LOAD)
|
else if (bfd_get_section_flags (abfd, sect) & SEC_LOAD)
|
off = SECT_OFF_DATA;
|
off = SECT_OFF_DATA;
|
else
|
else
|
off = SECT_OFF_BSS;
|
off = SECT_OFF_BSS;
|
}
|
}
|
return off;
|
return off;
|
}
|
}
|
|
|
/* Return the address of the section of a COFF symbol. */
|
/* Return the address of the section of a COFF symbol. */
|
|
|
static CORE_ADDR cs_section_address PARAMS ((struct coff_symbol *, bfd *));
|
static CORE_ADDR cs_section_address PARAMS ((struct coff_symbol *, bfd *));
|
|
|
static CORE_ADDR
|
static CORE_ADDR
|
cs_section_address (cs, abfd)
|
cs_section_address (cs, abfd)
|
struct coff_symbol *cs;
|
struct coff_symbol *cs;
|
bfd *abfd;
|
bfd *abfd;
|
{
|
{
|
asection *sect = NULL;
|
asection *sect = NULL;
|
struct find_targ_sec_arg args;
|
struct find_targ_sec_arg args;
|
CORE_ADDR addr = 0;
|
CORE_ADDR addr = 0;
|
|
|
args.targ_index = cs->c_secnum;
|
args.targ_index = cs->c_secnum;
|
args.resultp = §
|
args.resultp = §
|
bfd_map_over_sections (abfd, find_targ_sec, &args);
|
bfd_map_over_sections (abfd, find_targ_sec, &args);
|
if (sect != NULL)
|
if (sect != NULL)
|
addr = bfd_get_section_vma (objfile->obfd, sect);
|
addr = bfd_get_section_vma (objfile->obfd, sect);
|
return addr;
|
return addr;
|
}
|
}
|
|
|
/* Look up a coff type-number index. Return the address of the slot
|
/* Look up a coff type-number index. Return the address of the slot
|
where the type for that index is stored.
|
where the type for that index is stored.
|
The type-number is in INDEX.
|
The type-number is in INDEX.
|
|
|
This can be used for finding the type associated with that index
|
This can be used for finding the type associated with that index
|
or for associating a new type with the index. */
|
or for associating a new type with the index. */
|
|
|
static struct type **
|
static struct type **
|
coff_lookup_type (index)
|
coff_lookup_type (index)
|
register int index;
|
register int index;
|
{
|
{
|
if (index >= type_vector_length)
|
if (index >= type_vector_length)
|
{
|
{
|
int old_vector_length = type_vector_length;
|
int old_vector_length = type_vector_length;
|
|
|
type_vector_length *= 2;
|
type_vector_length *= 2;
|
if (index /* is still */ >= type_vector_length)
|
if (index /* is still */ >= type_vector_length)
|
type_vector_length = index * 2;
|
type_vector_length = index * 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_vector_length], 0,
|
memset (&type_vector[old_vector_length], 0,
|
(type_vector_length - old_vector_length) * sizeof (struct type *));
|
(type_vector_length - old_vector_length) * sizeof (struct type *));
|
}
|
}
|
return &type_vector[index];
|
return &type_vector[index];
|
}
|
}
|
|
|
/* Make sure there is a type allocated for type number index
|
/* Make sure there is a type allocated for type number index
|
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. */
|
|
|
static struct type *
|
static struct type *
|
coff_alloc_type (index)
|
coff_alloc_type (index)
|
int index;
|
int index;
|
{
|
{
|
register struct type **type_addr = coff_lookup_type (index);
|
register struct type **type_addr = coff_lookup_type (index);
|
register struct type *type = *type_addr;
|
register struct type *type = *type_addr;
|
|
|
/* 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 == NULL)
|
if (type == NULL)
|
{
|
{
|
type = alloc_type (current_objfile);
|
type = alloc_type (current_objfile);
|
*type_addr = type;
|
*type_addr = type;
|
}
|
}
|
return type;
|
return type;
|
}
|
}
|
|
|
/* Start a new symtab for a new source file.
|
/* Start a new symtab for a new source file.
|
This is called when a COFF ".file" symbol is seen;
|
This is called when a COFF ".file" symbol is seen;
|
it indicates the start of data for one original source file. */
|
it indicates the start of data for one original source file. */
|
|
|
static void
|
static void
|
coff_start_symtab (name)
|
coff_start_symtab (name)
|
char *name;
|
char *name;
|
{
|
{
|
start_symtab (
|
start_symtab (
|
/* We fill in the filename later. start_symtab puts
|
/* We fill in the filename later. start_symtab puts
|
this pointer into last_source_file and we put it in
|
this pointer into last_source_file and we put it in
|
subfiles->name, which end_symtab frees; that's why
|
subfiles->name, which end_symtab frees; that's why
|
it must be malloc'd. */
|
it must be malloc'd. */
|
savestring (name, strlen (name)),
|
savestring (name, strlen (name)),
|
/* We never know the directory name for COFF. */
|
/* We never know the directory name for COFF. */
|
NULL,
|
NULL,
|
/* The start address is irrelevant, since we set
|
/* The start address is irrelevant, since we set
|
last_source_start_addr in coff_end_symtab. */
|
last_source_start_addr in coff_end_symtab. */
|
0);
|
0);
|
record_debugformat ("COFF");
|
record_debugformat ("COFF");
|
}
|
}
|
|
|
/* Save the vital information from when starting to read a file,
|
/* Save the vital information from when starting to read a file,
|
for use when closing off the current file.
|
for use when closing off the current file.
|
NAME is the file name the symbols came from, START_ADDR is the first
|
NAME is the file name the symbols came from, START_ADDR is the first
|
text address for the file, and SIZE is the number of bytes of text. */
|
text address for the file, and SIZE is the number of bytes of text. */
|
|
|
static void
|
static void
|
complete_symtab (name, start_addr, size)
|
complete_symtab (name, start_addr, size)
|
char *name;
|
char *name;
|
CORE_ADDR start_addr;
|
CORE_ADDR start_addr;
|
unsigned int size;
|
unsigned int size;
|
{
|
{
|
if (last_source_file != NULL)
|
if (last_source_file != NULL)
|
free (last_source_file);
|
free (last_source_file);
|
last_source_file = savestring (name, strlen (name));
|
last_source_file = savestring (name, strlen (name));
|
current_source_start_addr = start_addr;
|
current_source_start_addr = start_addr;
|
current_source_end_addr = start_addr + size;
|
current_source_end_addr = start_addr + size;
|
|
|
if (current_objfile->ei.entry_point >= current_source_start_addr &&
|
if (current_objfile->ei.entry_point >= current_source_start_addr &&
|
current_objfile->ei.entry_point < current_source_end_addr)
|
current_objfile->ei.entry_point < current_source_end_addr)
|
{
|
{
|
current_objfile->ei.entry_file_lowpc = current_source_start_addr;
|
current_objfile->ei.entry_file_lowpc = current_source_start_addr;
|
current_objfile->ei.entry_file_highpc = current_source_end_addr;
|
current_objfile->ei.entry_file_highpc = current_source_end_addr;
|
}
|
}
|
}
|
}
|
|
|
/* Finish the symbol definitions for one main source file,
|
/* Finish the symbol definitions for one main source file,
|
close off all the lexical contexts for that file
|
close off all the lexical contexts for that file
|
(creating struct block's for them), then make the
|
(creating struct block's for them), then make the
|
struct symtab for that file and put it in the list of all such. */
|
struct symtab for that file and put it in the list of all such. */
|
|
|
static void
|
static void
|
coff_end_symtab (objfile)
|
coff_end_symtab (objfile)
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
struct symtab *symtab;
|
struct symtab *symtab;
|
|
|
last_source_start_addr = current_source_start_addr;
|
last_source_start_addr = current_source_start_addr;
|
|
|
symtab = end_symtab (current_source_end_addr, objfile, 0);
|
symtab = end_symtab (current_source_end_addr, objfile, 0);
|
|
|
if (symtab != NULL)
|
if (symtab != NULL)
|
free_named_symtabs (symtab->filename);
|
free_named_symtabs (symtab->filename);
|
|
|
/* Reinitialize for beginning of new file. */
|
/* Reinitialize for beginning of new file. */
|
last_source_file = NULL;
|
last_source_file = NULL;
|
}
|
}
|
|
|
static void
|
static void
|
record_minimal_symbol (name, address, type, objfile)
|
record_minimal_symbol (name, address, type, objfile)
|
char *name;
|
char *name;
|
CORE_ADDR address;
|
CORE_ADDR address;
|
enum minimal_symbol_type type;
|
enum minimal_symbol_type type;
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
/* We don't want TDESC entry points in the minimal symbol table */
|
/* We don't want TDESC entry points in the minimal symbol table */
|
if (name[0] == '@')
|
if (name[0] == '@')
|
return;
|
return;
|
|
|
prim_record_minimal_symbol (name, address, type, objfile);
|
prim_record_minimal_symbol (name, address, type, objfile);
|
}
|
}
|
|
|
/* coff_symfile_init ()
|
/* coff_symfile_init ()
|
is the coff-specific initialization routine for reading symbols.
|
is the coff-specific initialization routine for reading symbols.
|
It is passed a struct objfile which contains, among other things,
|
It is passed a struct objfile which contains, among other things,
|
the BFD for the file whose symbols are being read, and a slot for
|
the BFD for the file whose symbols are being read, and a slot for
|
a pointer to "private data" which we fill with cookies and other
|
a pointer to "private data" which we fill with cookies and other
|
treats for coff_symfile_read ().
|
treats for coff_symfile_read ().
|
|
|
We will only be called if this is a COFF or COFF-like file.
|
We will only be called if this is a COFF or COFF-like file.
|
BFD handles figuring out the format of the file, and code in symtab.c
|
BFD handles figuring out the format of the file, and code in symtab.c
|
uses BFD's determination to vector to us.
|
uses BFD's determination to vector to us.
|
|
|
The ultimate result is a new symtab (or, FIXME, eventually a psymtab). */
|
The ultimate result is a new symtab (or, FIXME, eventually a psymtab). */
|
|
|
static void
|
static void
|
coff_symfile_init (objfile)
|
coff_symfile_init (objfile)
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
/* Allocate struct to keep track of stab reading. */
|
/* Allocate struct to keep track of stab reading. */
|
objfile->sym_stab_info = (struct dbx_symfile_info *)
|
objfile->sym_stab_info = (struct dbx_symfile_info *)
|
xmmalloc (objfile->md, sizeof (struct dbx_symfile_info));
|
xmmalloc (objfile->md, sizeof (struct dbx_symfile_info));
|
|
|
memset ((PTR) objfile->sym_stab_info, 0, sizeof (struct dbx_symfile_info));
|
memset ((PTR) objfile->sym_stab_info, 0, sizeof (struct dbx_symfile_info));
|
|
|
/* Allocate struct to keep track of the symfile */
|
/* Allocate struct to keep track of the symfile */
|
objfile->sym_private = xmmalloc (objfile->md,
|
objfile->sym_private = xmmalloc (objfile->md,
|
sizeof (struct coff_symfile_info));
|
sizeof (struct coff_symfile_info));
|
|
|
memset (objfile->sym_private, 0, sizeof (struct coff_symfile_info));
|
memset (objfile->sym_private, 0, sizeof (struct coff_symfile_info));
|
|
|
/* COFF objects may be reordered, so set OBJF_REORDERED. If we
|
/* COFF objects may be reordered, so set OBJF_REORDERED. If we
|
find this causes a significant slowdown in gdb then we could
|
find this causes a significant slowdown in gdb then we could
|
set it in the debug symbol readers only when necessary. */
|
set it in the debug symbol readers only when necessary. */
|
objfile->flags |= OBJF_REORDERED;
|
objfile->flags |= OBJF_REORDERED;
|
|
|
init_entry_point_info (objfile);
|
init_entry_point_info (objfile);
|
}
|
}
|
|
|
/* This function is called for every section; it finds the outer limits
|
/* This function is called for every section; it finds the outer limits
|
of the line table (minimum and maximum file offset) so that the
|
of the line table (minimum and maximum file offset) so that the
|
mainline code can read the whole thing for efficiency. */
|
mainline code can read the whole thing for efficiency. */
|
|
|
/* ARGSUSED */
|
/* ARGSUSED */
|
static void
|
static void
|
find_linenos (abfd, asect, vpinfo)
|
find_linenos (abfd, asect, vpinfo)
|
bfd *abfd;
|
bfd *abfd;
|
sec_ptr asect;
|
sec_ptr asect;
|
PTR vpinfo;
|
PTR vpinfo;
|
{
|
{
|
struct coff_symfile_info *info;
|
struct coff_symfile_info *info;
|
int size, count;
|
int size, count;
|
file_ptr offset, maxoff;
|
file_ptr offset, maxoff;
|
|
|
/* WARNING WILL ROBINSON! ACCESSING BFD-PRIVATE DATA HERE! FIXME! */
|
/* WARNING WILL ROBINSON! ACCESSING BFD-PRIVATE DATA HERE! FIXME! */
|
count = asect->lineno_count;
|
count = asect->lineno_count;
|
/* End of warning */
|
/* End of warning */
|
|
|
if (count == 0)
|
if (count == 0)
|
return;
|
return;
|
size = count * local_linesz;
|
size = count * local_linesz;
|
|
|
info = (struct coff_symfile_info *) vpinfo;
|
info = (struct coff_symfile_info *) vpinfo;
|
/* WARNING WILL ROBINSON! ACCESSING BFD-PRIVATE DATA HERE! FIXME! */
|
/* WARNING WILL ROBINSON! ACCESSING BFD-PRIVATE DATA HERE! FIXME! */
|
offset = asect->line_filepos;
|
offset = asect->line_filepos;
|
/* End of warning */
|
/* End of warning */
|
|
|
if (offset < info->min_lineno_offset || info->min_lineno_offset == 0)
|
if (offset < info->min_lineno_offset || info->min_lineno_offset == 0)
|
info->min_lineno_offset = offset;
|
info->min_lineno_offset = offset;
|
|
|
maxoff = offset + size;
|
maxoff = offset + size;
|
if (maxoff > info->max_lineno_offset)
|
if (maxoff > info->max_lineno_offset)
|
info->max_lineno_offset = maxoff;
|
info->max_lineno_offset = maxoff;
|
}
|
}
|
|
|
|
|
/* The BFD for this file -- only good while we're actively reading
|
/* The BFD for this file -- only good while we're actively reading
|
symbols into a psymtab or a symtab. */
|
symbols into a psymtab or a symtab. */
|
|
|
static bfd *symfile_bfd;
|
static bfd *symfile_bfd;
|
|
|
/* Read a symbol file, after initialization by coff_symfile_init. */
|
/* Read a symbol file, after initialization by coff_symfile_init. */
|
|
|
/* ARGSUSED */
|
/* ARGSUSED */
|
static void
|
static void
|
coff_symfile_read (objfile, mainline)
|
coff_symfile_read (objfile, mainline)
|
struct objfile *objfile;
|
struct objfile *objfile;
|
int mainline;
|
int mainline;
|
{
|
{
|
struct coff_symfile_info *info;
|
struct coff_symfile_info *info;
|
struct dbx_symfile_info *dbxinfo;
|
struct dbx_symfile_info *dbxinfo;
|
bfd *abfd = objfile->obfd;
|
bfd *abfd = objfile->obfd;
|
coff_data_type *cdata = coff_data (abfd);
|
coff_data_type *cdata = coff_data (abfd);
|
char *name = bfd_get_filename (abfd);
|
char *name = bfd_get_filename (abfd);
|
register int val;
|
register int val;
|
unsigned int num_symbols;
|
unsigned int num_symbols;
|
int symtab_offset;
|
int symtab_offset;
|
int stringtab_offset;
|
int stringtab_offset;
|
struct cleanup *back_to;
|
struct cleanup *back_to;
|
int stabstrsize;
|
int stabstrsize;
|
int len;
|
int len;
|
char * target;
|
char * target;
|
|
|
info = (struct coff_symfile_info *) objfile->sym_private;
|
info = (struct coff_symfile_info *) objfile->sym_private;
|
dbxinfo = objfile->sym_stab_info;
|
dbxinfo = objfile->sym_stab_info;
|
symfile_bfd = abfd; /* Kludge for swap routines */
|
symfile_bfd = abfd; /* Kludge for swap routines */
|
|
|
/* WARNING WILL ROBINSON! ACCESSING BFD-PRIVATE DATA HERE! FIXME! */
|
/* WARNING WILL ROBINSON! ACCESSING BFD-PRIVATE DATA HERE! FIXME! */
|
num_symbols = bfd_get_symcount (abfd); /* How many syms */
|
num_symbols = bfd_get_symcount (abfd); /* How many syms */
|
symtab_offset = cdata->sym_filepos; /* Symbol table file offset */
|
symtab_offset = cdata->sym_filepos; /* Symbol table file offset */
|
stringtab_offset = symtab_offset + /* String table file offset */
|
stringtab_offset = symtab_offset + /* String table file offset */
|
num_symbols * cdata->local_symesz;
|
num_symbols * cdata->local_symesz;
|
|
|
/* Set a few file-statics that give us specific information about
|
/* Set a few file-statics that give us specific information about
|
the particular COFF file format we're reading. */
|
the particular COFF file format we're reading. */
|
local_n_btmask = cdata->local_n_btmask;
|
local_n_btmask = cdata->local_n_btmask;
|
local_n_btshft = cdata->local_n_btshft;
|
local_n_btshft = cdata->local_n_btshft;
|
local_n_tmask = cdata->local_n_tmask;
|
local_n_tmask = cdata->local_n_tmask;
|
local_n_tshift = cdata->local_n_tshift;
|
local_n_tshift = cdata->local_n_tshift;
|
local_linesz = cdata->local_linesz;
|
local_linesz = cdata->local_linesz;
|
local_symesz = cdata->local_symesz;
|
local_symesz = cdata->local_symesz;
|
local_auxesz = cdata->local_auxesz;
|
local_auxesz = cdata->local_auxesz;
|
|
|
/* Allocate space for raw symbol and aux entries, based on their
|
/* Allocate space for raw symbol and aux entries, based on their
|
space requirements as reported by BFD. */
|
space requirements as reported by BFD. */
|
temp_sym = (char *) xmalloc
|
temp_sym = (char *) xmalloc
|
(cdata->local_symesz + cdata->local_auxesz);
|
(cdata->local_symesz + cdata->local_auxesz);
|
temp_aux = temp_sym + cdata->local_symesz;
|
temp_aux = temp_sym + cdata->local_symesz;
|
back_to = make_cleanup ((make_cleanup_func) free_current_contents, &temp_sym);
|
back_to = make_cleanup ((make_cleanup_func) free_current_contents, &temp_sym);
|
|
|
/* We need to know whether this is a PE file, because in PE files,
|
/* We need to know whether this is a PE file, because in PE files,
|
unlike standard COFF files, symbol values are stored as offsets
|
unlike standard COFF files, symbol values are stored as offsets
|
from the section address, rather than as absolute addresses.
|
from the section address, rather than as absolute addresses.
|
FIXME: We should use BFD to read the symbol table, and thus avoid
|
FIXME: We should use BFD to read the symbol table, and thus avoid
|
this problem. */
|
this problem. */
|
pe_file =
|
pe_file =
|
strncmp (bfd_get_target (objfile->obfd), "pe", 2) == 0
|
strncmp (bfd_get_target (objfile->obfd), "pe", 2) == 0
|
|| strncmp (bfd_get_target (objfile->obfd), "epoc-pe", 7) == 0;
|
|| strncmp (bfd_get_target (objfile->obfd), "epoc-pe", 7) == 0;
|
|
|
/* End of warning */
|
/* End of warning */
|
|
|
/* Read the line number table, all at once. */
|
/* Read the line number table, all at once. */
|
info->min_lineno_offset = 0;
|
info->min_lineno_offset = 0;
|
info->max_lineno_offset = 0;
|
info->max_lineno_offset = 0;
|
bfd_map_over_sections (abfd, find_linenos, (PTR) info);
|
bfd_map_over_sections (abfd, find_linenos, (PTR) info);
|
|
|
make_cleanup ((make_cleanup_func) free_linetab, 0);
|
make_cleanup ((make_cleanup_func) free_linetab, 0);
|
val = init_lineno (abfd, info->min_lineno_offset,
|
val = init_lineno (abfd, info->min_lineno_offset,
|
info->max_lineno_offset - info->min_lineno_offset);
|
info->max_lineno_offset - info->min_lineno_offset);
|
if (val < 0)
|
if (val < 0)
|
error ("\"%s\": error reading line numbers\n", name);
|
error ("\"%s\": error reading line numbers\n", name);
|
|
|
/* Now read the string table, all at once. */
|
/* Now read the string table, all at once. */
|
|
|
make_cleanup ((make_cleanup_func) free_stringtab, 0);
|
make_cleanup ((make_cleanup_func) free_stringtab, 0);
|
val = init_stringtab (abfd, stringtab_offset);
|
val = init_stringtab (abfd, stringtab_offset);
|
if (val < 0)
|
if (val < 0)
|
error ("\"%s\": can't get string table", name);
|
error ("\"%s\": can't get string table", name);
|
|
|
init_minimal_symbol_collection ();
|
init_minimal_symbol_collection ();
|
make_cleanup ((make_cleanup_func) discard_minimal_symbols, 0);
|
make_cleanup ((make_cleanup_func) discard_minimal_symbols, 0);
|
|
|
/* Now that the executable file is positioned at symbol table,
|
/* Now that the executable file is positioned at symbol table,
|
process it and define symbols accordingly. */
|
process it and define symbols accordingly. */
|
|
|
coff_symtab_read ((long) symtab_offset, num_symbols, objfile);
|
coff_symtab_read ((long) symtab_offset, num_symbols, objfile);
|
|
|
/* Sort symbols alphabetically within each block. */
|
/* Sort symbols alphabetically within each block. */
|
|
|
{
|
{
|
struct symtab *s;
|
struct symtab *s;
|
|
|
for (s = objfile->symtabs; s != NULL; s = s->next)
|
for (s = objfile->symtabs; s != NULL; s = s->next)
|
sort_symtab_syms (s);
|
sort_symtab_syms (s);
|
}
|
}
|
|
|
/* Install any minimal symbols that have been collected as the current
|
/* Install any minimal symbols that have been collected as the current
|
minimal symbols for this objfile. */
|
minimal symbols for this objfile. */
|
|
|
install_minimal_symbols (objfile);
|
install_minimal_symbols (objfile);
|
|
|
bfd_map_over_sections (abfd, coff_locate_sections, (PTR) info);
|
bfd_map_over_sections (abfd, coff_locate_sections, (PTR) info);
|
|
|
if (info->stabsects)
|
if (info->stabsects)
|
{
|
{
|
if (!info->stabstrsect)
|
if (!info->stabstrsect)
|
{
|
{
|
error_begin ();
|
error_begin ();
|
fprintf_filtered
|
fprintf_filtered
|
(gdb_stderr,
|
(gdb_stderr,
|
("The debugging information in `%s' is corrupted.\n"
|
("The debugging information in `%s' is corrupted.\n"
|
"The file has a `.stabs' section, but no `.stabstr' section.\n"),
|
"The file has a `.stabs' section, but no `.stabstr' section.\n"),
|
name);
|
name);
|
return_to_top_level (RETURN_ERROR);
|
return_to_top_level (RETURN_ERROR);
|
}
|
}
|
|
|
/* FIXME: dubious. Why can't we use something normal like
|
/* FIXME: dubious. Why can't we use something normal like
|
bfd_get_section_contents? */
|
bfd_get_section_contents? */
|
bfd_seek (abfd, abfd->where, 0);
|
bfd_seek (abfd, abfd->where, 0);
|
|
|
stabstrsize = bfd_section_size (abfd, info->stabstrsect);
|
stabstrsize = bfd_section_size (abfd, info->stabstrsect);
|
|
|
coffstab_build_psymtabs (objfile,
|
coffstab_build_psymtabs (objfile,
|
mainline,
|
mainline,
|
info->textaddr, info->textsize,
|
info->textaddr, info->textsize,
|
info->stabsects,
|
info->stabsects,
|
info->stabstrsect->filepos, stabstrsize);
|
info->stabstrsect->filepos, stabstrsize);
|
}
|
}
|
|
|
do_cleanups (back_to);
|
do_cleanups (back_to);
|
}
|
}
|
|
|
static void
|
static void
|
coff_new_init (ignore)
|
coff_new_init (ignore)
|
struct objfile *ignore;
|
struct objfile *ignore;
|
{
|
{
|
}
|
}
|
|
|
/* Perform any local cleanups required when we are done with a particular
|
/* Perform any local cleanups required when we are done with a particular
|
objfile. I.E, we are in the process of discarding all symbol information
|
objfile. I.E, we are in the process of discarding all symbol information
|
for an objfile, freeing up all memory held for it, and unlinking the
|
for an objfile, freeing up all memory held for it, and unlinking the
|
objfile struct from the global list of known objfiles. */
|
objfile struct from the global list of known objfiles. */
|
|
|
static void
|
static void
|
coff_symfile_finish (objfile)
|
coff_symfile_finish (objfile)
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
if (objfile->sym_private != NULL)
|
if (objfile->sym_private != NULL)
|
{
|
{
|
mfree (objfile->md, objfile->sym_private);
|
mfree (objfile->md, objfile->sym_private);
|
}
|
}
|
|
|
/* Let stabs reader clean up */
|
/* Let stabs reader clean up */
|
stabsread_clear_cache ();
|
stabsread_clear_cache ();
|
}
|
}
|
|
|
|
|
/* Given pointers to a symbol table in coff style exec file,
|
/* Given pointers to a symbol table in coff style exec file,
|
analyze them and create struct symtab's describing the symbols.
|
analyze them and create struct symtab's describing the symbols.
|
NSYMS is the number of symbols in the symbol table.
|
NSYMS is the number of symbols in the symbol table.
|
We read them one at a time using read_one_sym (). */
|
We read them one at a time using read_one_sym (). */
|
|
|
static void
|
static void
|
coff_symtab_read (symtab_offset, nsyms, objfile)
|
coff_symtab_read (symtab_offset, nsyms, objfile)
|
long symtab_offset;
|
long symtab_offset;
|
unsigned int nsyms;
|
unsigned int nsyms;
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
register struct context_stack *new;
|
register struct context_stack *new;
|
struct coff_symbol coff_symbol;
|
struct coff_symbol coff_symbol;
|
register struct coff_symbol *cs = &coff_symbol;
|
register struct coff_symbol *cs = &coff_symbol;
|
static struct internal_syment main_sym;
|
static struct internal_syment main_sym;
|
static union internal_auxent main_aux;
|
static union internal_auxent main_aux;
|
struct coff_symbol fcn_cs_saved;
|
struct coff_symbol fcn_cs_saved;
|
static struct internal_syment fcn_sym_saved;
|
static struct internal_syment fcn_sym_saved;
|
static union internal_auxent fcn_aux_saved;
|
static union internal_auxent fcn_aux_saved;
|
struct symtab *s;
|
struct symtab *s;
|
/* A .file is open. */
|
/* A .file is open. */
|
int in_source_file = 0;
|
int in_source_file = 0;
|
int next_file_symnum = -1;
|
int next_file_symnum = -1;
|
/* Name of the current file. */
|
/* Name of the current file. */
|
char *filestring = "";
|
char *filestring = "";
|
int depth = 0;
|
int depth = 0;
|
int fcn_first_line = 0;
|
int fcn_first_line = 0;
|
CORE_ADDR fcn_first_line_addr;
|
CORE_ADDR fcn_first_line_addr;
|
int fcn_last_line = 0;
|
int fcn_last_line = 0;
|
int fcn_start_addr = 0;
|
int fcn_start_addr = 0;
|
long fcn_line_ptr = 0;
|
long fcn_line_ptr = 0;
|
int val;
|
int val;
|
CORE_ADDR tmpaddr;
|
CORE_ADDR tmpaddr;
|
|
|
/* Work around a stdio bug in SunOS4.1.1 (this makes me nervous....
|
/* Work around a stdio bug in SunOS4.1.1 (this makes me nervous....
|
it's hard to know I've really worked around it. The fix should be
|
it's hard to know I've really worked around it. The fix should be
|
harmless, anyway). The symptom of the bug is that the first
|
harmless, anyway). The symptom of the bug is that the first
|
fread (in read_one_sym), will (in my example) actually get data
|
fread (in read_one_sym), will (in my example) actually get data
|
from file offset 268, when the fseek was to 264 (and ftell shows
|
from file offset 268, when the fseek was to 264 (and ftell shows
|
264). This causes all hell to break loose. I was unable to
|
264). This causes all hell to break loose. I was unable to
|
reproduce this on a short test program which operated on the same
|
reproduce this on a short test program which operated on the same
|
file, performing (I think) the same sequence of operations.
|
file, performing (I think) the same sequence of operations.
|
|
|
It stopped happening when I put in this (former) rewind().
|
It stopped happening when I put in this (former) rewind().
|
|
|
FIXME: Find out if this has been reported to Sun, whether it has
|
FIXME: Find out if this has been reported to Sun, whether it has
|
been fixed in a later release, etc. */
|
been fixed in a later release, etc. */
|
|
|
bfd_seek (objfile->obfd, 0, 0);
|
bfd_seek (objfile->obfd, 0, 0);
|
|
|
/* Position to read the symbol table. */
|
/* Position to read the symbol table. */
|
val = bfd_seek (objfile->obfd, (long) symtab_offset, 0);
|
val = bfd_seek (objfile->obfd, (long) symtab_offset, 0);
|
if (val < 0)
|
if (val < 0)
|
perror_with_name (objfile->name);
|
perror_with_name (objfile->name);
|
|
|
current_objfile = objfile;
|
current_objfile = objfile;
|
nlist_bfd_global = objfile->obfd;
|
nlist_bfd_global = objfile->obfd;
|
nlist_nsyms_global = nsyms;
|
nlist_nsyms_global = nsyms;
|
last_source_file = NULL;
|
last_source_file = NULL;
|
memset (opaque_type_chain, 0, sizeof opaque_type_chain);
|
memset (opaque_type_chain, 0, sizeof opaque_type_chain);
|
|
|
if (type_vector) /* Get rid of previous one */
|
if (type_vector) /* Get rid of previous one */
|
free ((PTR) type_vector);
|
free ((PTR) type_vector);
|
type_vector_length = 160;
|
type_vector_length = 160;
|
type_vector = (struct type **)
|
type_vector = (struct type **)
|
xmalloc (type_vector_length * sizeof (struct type *));
|
xmalloc (type_vector_length * sizeof (struct type *));
|
memset (type_vector, 0, type_vector_length * sizeof (struct type *));
|
memset (type_vector, 0, type_vector_length * sizeof (struct type *));
|
|
|
coff_start_symtab ("");
|
coff_start_symtab ("");
|
|
|
symnum = 0;
|
symnum = 0;
|
while (symnum < nsyms)
|
while (symnum < nsyms)
|
{
|
{
|
QUIT; /* Make this command interruptable. */
|
QUIT; /* Make this command interruptable. */
|
|
|
read_one_sym (cs, &main_sym, &main_aux);
|
read_one_sym (cs, &main_sym, &main_aux);
|
|
|
if (cs->c_symnum == next_file_symnum && cs->c_sclass != C_FILE)
|
if (cs->c_symnum == next_file_symnum && cs->c_sclass != C_FILE)
|
{
|
{
|
if (last_source_file)
|
if (last_source_file)
|
coff_end_symtab (objfile);
|
coff_end_symtab (objfile);
|
|
|
coff_start_symtab ("_globals_");
|
coff_start_symtab ("_globals_");
|
complete_symtab ("_globals_", 0, 0);
|
complete_symtab ("_globals_", 0, 0);
|
/* done with all files, everything from here on out is globals */
|
/* done with all files, everything from here on out is globals */
|
}
|
}
|
|
|
/* Special case for file with type declarations only, no text. */
|
/* Special case for file with type declarations only, no text. */
|
if (!last_source_file && SDB_TYPE (cs->c_type)
|
if (!last_source_file && SDB_TYPE (cs->c_type)
|
&& cs->c_secnum == N_DEBUG)
|
&& cs->c_secnum == N_DEBUG)
|
complete_symtab (filestring, 0, 0);
|
complete_symtab (filestring, 0, 0);
|
|
|
/* Typedefs should not be treated as symbol definitions. */
|
/* Typedefs should not be treated as symbol definitions. */
|
if (ISFCN (cs->c_type) && cs->c_sclass != C_TPDEF)
|
if (ISFCN (cs->c_type) && cs->c_sclass != C_TPDEF)
|
{
|
{
|
/* Record all functions -- external and static -- in minsyms. */
|
/* Record all functions -- external and static -- in minsyms. */
|
tmpaddr = cs->c_value + ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT);
|
tmpaddr = cs->c_value + ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT);
|
record_minimal_symbol (cs->c_name, tmpaddr, mst_text, objfile);
|
record_minimal_symbol (cs->c_name, tmpaddr, mst_text, objfile);
|
|
|
fcn_line_ptr = main_aux.x_sym.x_fcnary.x_fcn.x_lnnoptr;
|
fcn_line_ptr = main_aux.x_sym.x_fcnary.x_fcn.x_lnnoptr;
|
fcn_start_addr = tmpaddr;
|
fcn_start_addr = tmpaddr;
|
fcn_cs_saved = *cs;
|
fcn_cs_saved = *cs;
|
fcn_sym_saved = main_sym;
|
fcn_sym_saved = main_sym;
|
fcn_aux_saved = main_aux;
|
fcn_aux_saved = main_aux;
|
continue;
|
continue;
|
}
|
}
|
|
|
switch (cs->c_sclass)
|
switch (cs->c_sclass)
|
{
|
{
|
case C_EFCN:
|
case C_EFCN:
|
case C_EXTDEF:
|
case C_EXTDEF:
|
case C_ULABEL:
|
case C_ULABEL:
|
case C_USTATIC:
|
case C_USTATIC:
|
case C_LINE:
|
case C_LINE:
|
case C_ALIAS:
|
case C_ALIAS:
|
case C_HIDDEN:
|
case C_HIDDEN:
|
complain (&bad_sclass_complaint, cs->c_name);
|
complain (&bad_sclass_complaint, cs->c_name);
|
break;
|
break;
|
|
|
case C_FILE:
|
case C_FILE:
|
/* c_value field contains symnum of next .file entry in table
|
/* c_value field contains symnum of next .file entry in table
|
or symnum of first global after last .file. */
|
or symnum of first global after last .file. */
|
next_file_symnum = cs->c_value;
|
next_file_symnum = cs->c_value;
|
if (cs->c_naux > 0)
|
if (cs->c_naux > 0)
|
filestring = coff_getfilename (&main_aux);
|
filestring = coff_getfilename (&main_aux);
|
else
|
else
|
filestring = "";
|
filestring = "";
|
|
|
/* Complete symbol table for last object file
|
/* Complete symbol table for last object file
|
containing debugging information. */
|
containing debugging information. */
|
if (last_source_file)
|
if (last_source_file)
|
{
|
{
|
coff_end_symtab (objfile);
|
coff_end_symtab (objfile);
|
coff_start_symtab (filestring);
|
coff_start_symtab (filestring);
|
}
|
}
|
in_source_file = 1;
|
in_source_file = 1;
|
break;
|
break;
|
|
|
/* C_LABEL is used for labels and static functions. Including
|
/* C_LABEL is used for labels and static functions. Including
|
it here allows gdb to see static functions when no debug
|
it here allows gdb to see static functions when no debug
|
info is available. */
|
info is available. */
|
case C_LABEL:
|
case C_LABEL:
|
/* However, labels within a function can make weird backtraces,
|
/* However, labels within a function can make weird backtraces,
|
so filter them out (from phdm@macqel.be). */
|
so filter them out (from phdm@macqel.be). */
|
if (within_function)
|
if (within_function)
|
break;
|
break;
|
case C_STAT:
|
case C_STAT:
|
case C_THUMBLABEL:
|
case C_THUMBLABEL:
|
case C_THUMBSTAT:
|
case C_THUMBSTAT:
|
case C_THUMBSTATFUNC:
|
case C_THUMBSTATFUNC:
|
if (cs->c_name[0] == '.')
|
if (cs->c_name[0] == '.')
|
{
|
{
|
if (STREQ (cs->c_name, ".text"))
|
if (STREQ (cs->c_name, ".text"))
|
{
|
{
|
/* FIXME: don't wire in ".text" as section name
|
/* FIXME: don't wire in ".text" as section name
|
or symbol name! */
|
or symbol name! */
|
/* Check for in_source_file deals with case of
|
/* Check for in_source_file deals with case of
|
a file with debugging symbols
|
a file with debugging symbols
|
followed by a later file with no symbols. */
|
followed by a later file with no symbols. */
|
if (in_source_file)
|
if (in_source_file)
|
complete_symtab (filestring,
|
complete_symtab (filestring,
|
cs->c_value + ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT),
|
cs->c_value + ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT),
|
main_aux.x_scn.x_scnlen);
|
main_aux.x_scn.x_scnlen);
|
in_source_file = 0;
|
in_source_file = 0;
|
}
|
}
|
/* flush rest of '.' symbols */
|
/* flush rest of '.' symbols */
|
break;
|
break;
|
}
|
}
|
else if (!SDB_TYPE (cs->c_type)
|
else if (!SDB_TYPE (cs->c_type)
|
&& cs->c_name[0] == 'L'
|
&& cs->c_name[0] == 'L'
|
&& (strncmp (cs->c_name, "LI%", 3) == 0
|
&& (strncmp (cs->c_name, "LI%", 3) == 0
|
|| strncmp (cs->c_name, "LF%", 3) == 0
|
|| strncmp (cs->c_name, "LF%", 3) == 0
|
|| strncmp (cs->c_name, "LC%", 3) == 0
|
|| strncmp (cs->c_name, "LC%", 3) == 0
|
|| strncmp (cs->c_name, "LP%", 3) == 0
|
|| strncmp (cs->c_name, "LP%", 3) == 0
|
|| strncmp (cs->c_name, "LPB%", 4) == 0
|
|| strncmp (cs->c_name, "LPB%", 4) == 0
|
|| strncmp (cs->c_name, "LBB%", 4) == 0
|
|| strncmp (cs->c_name, "LBB%", 4) == 0
|
|| strncmp (cs->c_name, "LBE%", 4) == 0
|
|| strncmp (cs->c_name, "LBE%", 4) == 0
|
|| strncmp (cs->c_name, "LPBX%", 5) == 0))
|
|| strncmp (cs->c_name, "LPBX%", 5) == 0))
|
/* At least on a 3b1, gcc generates swbeg and string labels
|
/* At least on a 3b1, gcc generates swbeg and string labels
|
that look like this. Ignore them. */
|
that look like this. Ignore them. */
|
break;
|
break;
|
/* fall in for static symbols that don't start with '.' */
|
/* fall in for static symbols that don't start with '.' */
|
case C_THUMBEXT:
|
case C_THUMBEXT:
|
case C_THUMBEXTFUNC:
|
case C_THUMBEXTFUNC:
|
case C_EXT:
|
case C_EXT:
|
{
|
{
|
/* Record it in the minimal symbols regardless of
|
/* Record it in the minimal symbols regardless of
|
SDB_TYPE. This parallels what we do for other debug
|
SDB_TYPE. This parallels what we do for other debug
|
formats, and probably is needed to make
|
formats, and probably is needed to make
|
print_address_symbolic work right without the (now
|
print_address_symbolic work right without the (now
|
gone) "set fast-symbolic-addr off" kludge. */
|
gone) "set fast-symbolic-addr off" kludge. */
|
|
|
/* FIXME: should use mst_abs, and not relocate, if absolute. */
|
/* FIXME: should use mst_abs, and not relocate, if absolute. */
|
enum minimal_symbol_type ms_type;
|
enum minimal_symbol_type ms_type;
|
int sec;
|
int sec;
|
|
|
if (cs->c_secnum == N_UNDEF)
|
if (cs->c_secnum == N_UNDEF)
|
{
|
{
|
/* This is a common symbol. See if the target
|
/* This is a common symbol. See if the target
|
environment knows where it has been relocated to. */
|
environment knows where it has been relocated to. */
|
CORE_ADDR reladdr;
|
CORE_ADDR reladdr;
|
if (target_lookup_symbol (cs->c_name, &reladdr))
|
if (target_lookup_symbol (cs->c_name, &reladdr))
|
{
|
{
|
/* Error in lookup; ignore symbol. */
|
/* Error in lookup; ignore symbol. */
|
break;
|
break;
|
}
|
}
|
tmpaddr = reladdr;
|
tmpaddr = reladdr;
|
/* The address has already been relocated; make sure that
|
/* The address has already been relocated; make sure that
|
objfile_relocate doesn't relocate it again. */
|
objfile_relocate doesn't relocate it again. */
|
sec = -2;
|
sec = -2;
|
ms_type = cs->c_sclass == C_EXT
|
ms_type = cs->c_sclass == C_EXT
|
|| cs->c_sclass == C_THUMBEXT ?
|
|| cs->c_sclass == C_THUMBEXT ?
|
mst_bss : mst_file_bss;
|
mst_bss : mst_file_bss;
|
}
|
}
|
else
|
else
|
{
|
{
|
sec = cs_to_section (cs, objfile);
|
sec = cs_to_section (cs, objfile);
|
tmpaddr = cs->c_value;
|
tmpaddr = cs->c_value;
|
if (cs->c_sclass == C_EXT || cs->c_sclass == C_THUMBEXTFUNC
|
if (cs->c_sclass == C_EXT || cs->c_sclass == C_THUMBEXTFUNC
|
|| cs->c_sclass == C_THUMBEXT)
|
|| cs->c_sclass == C_THUMBEXT)
|
tmpaddr += ANOFFSET (objfile->section_offsets, sec);
|
tmpaddr += ANOFFSET (objfile->section_offsets, sec);
|
|
|
switch (sec)
|
switch (sec)
|
{
|
{
|
case SECT_OFF_TEXT:
|
case SECT_OFF_TEXT:
|
case SECT_OFF_RODATA:
|
case SECT_OFF_RODATA:
|
ms_type =
|
ms_type =
|
cs->c_sclass == C_EXT || cs->c_sclass == C_THUMBEXTFUNC
|
cs->c_sclass == C_EXT || cs->c_sclass == C_THUMBEXTFUNC
|
|| cs->c_sclass == C_THUMBEXT ?
|
|| cs->c_sclass == C_THUMBEXT ?
|
mst_text : mst_file_text;
|
mst_text : mst_file_text;
|
#ifdef SMASH_TEXT_ADDRESS
|
#ifdef SMASH_TEXT_ADDRESS
|
if (tmpaddr & 1) /* FIXME: delete this line */
|
if (tmpaddr & 1) /* FIXME: delete this line */
|
SMASH_TEXT_ADDRESS (tmpaddr);
|
SMASH_TEXT_ADDRESS (tmpaddr);
|
#endif
|
#endif
|
break;
|
break;
|
case SECT_OFF_DATA:
|
case SECT_OFF_DATA:
|
ms_type =
|
ms_type =
|
cs->c_sclass == C_EXT || cs->c_sclass == C_THUMBEXT ?
|
cs->c_sclass == C_EXT || cs->c_sclass == C_THUMBEXT ?
|
mst_data : mst_file_data;
|
mst_data : mst_file_data;
|
break;
|
break;
|
case SECT_OFF_BSS:
|
case SECT_OFF_BSS:
|
ms_type =
|
ms_type =
|
cs->c_sclass == C_EXT || cs->c_sclass == C_THUMBEXT ?
|
cs->c_sclass == C_EXT || cs->c_sclass == C_THUMBEXT ?
|
mst_data : mst_file_data;
|
mst_data : mst_file_data;
|
break;
|
break;
|
default:
|
default:
|
ms_type = mst_unknown;
|
ms_type = mst_unknown;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
if (cs->c_name[0] != '@' /* Skip tdesc symbols */ )
|
if (cs->c_name[0] != '@' /* Skip tdesc symbols */ )
|
{
|
{
|
struct minimal_symbol *msym;
|
struct minimal_symbol *msym;
|
|
|
msym = prim_record_minimal_symbol_and_info
|
msym = prim_record_minimal_symbol_and_info
|
(cs->c_name, tmpaddr, ms_type, (char *) cs->c_sclass, sec,
|
(cs->c_name, tmpaddr, ms_type, (char *) cs->c_sclass, sec,
|
NULL, objfile);
|
NULL, objfile);
|
#ifdef COFF_MAKE_MSYMBOL_SPECIAL
|
#ifdef COFF_MAKE_MSYMBOL_SPECIAL
|
if (msym)
|
if (msym)
|
COFF_MAKE_MSYMBOL_SPECIAL (cs->c_sclass, msym);
|
COFF_MAKE_MSYMBOL_SPECIAL (cs->c_sclass, msym);
|
#endif
|
#endif
|
}
|
}
|
if (SDB_TYPE (cs->c_type))
|
if (SDB_TYPE (cs->c_type))
|
{
|
{
|
struct symbol *sym;
|
struct symbol *sym;
|
sym = process_coff_symbol
|
sym = process_coff_symbol
|
(cs, &main_aux, objfile);
|
(cs, &main_aux, objfile);
|
SYMBOL_VALUE (sym) = tmpaddr;
|
SYMBOL_VALUE (sym) = tmpaddr;
|
SYMBOL_SECTION (sym) = sec;
|
SYMBOL_SECTION (sym) = sec;
|
}
|
}
|
}
|
}
|
break;
|
break;
|
|
|
case C_FCN:
|
case C_FCN:
|
if (STREQ (cs->c_name, ".bf"))
|
if (STREQ (cs->c_name, ".bf"))
|
{
|
{
|
within_function = 1;
|
within_function = 1;
|
|
|
/* value contains address of first non-init type code */
|
/* value contains address of first non-init type code */
|
/* main_aux.x_sym.x_misc.x_lnsz.x_lnno
|
/* main_aux.x_sym.x_misc.x_lnsz.x_lnno
|
contains line number of '{' } */
|
contains line number of '{' } */
|
if (cs->c_naux != 1)
|
if (cs->c_naux != 1)
|
complain (&bf_no_aux_complaint, cs->c_symnum);
|
complain (&bf_no_aux_complaint, cs->c_symnum);
|
fcn_first_line = main_aux.x_sym.x_misc.x_lnsz.x_lnno;
|
fcn_first_line = main_aux.x_sym.x_misc.x_lnsz.x_lnno;
|
fcn_first_line_addr = cs->c_value;
|
fcn_first_line_addr = cs->c_value;
|
|
|
/* Might want to check that locals are 0 and
|
/* Might want to check that locals are 0 and
|
context_stack_depth is zero, and complain if not. */
|
context_stack_depth is zero, and complain if not. */
|
|
|
depth = 0;
|
depth = 0;
|
new = push_context (depth, fcn_start_addr);
|
new = push_context (depth, fcn_start_addr);
|
fcn_cs_saved.c_name = getsymname (&fcn_sym_saved);
|
fcn_cs_saved.c_name = getsymname (&fcn_sym_saved);
|
new->name =
|
new->name =
|
process_coff_symbol (&fcn_cs_saved, &fcn_aux_saved, objfile);
|
process_coff_symbol (&fcn_cs_saved, &fcn_aux_saved, objfile);
|
}
|
}
|
else if (STREQ (cs->c_name, ".ef"))
|
else if (STREQ (cs->c_name, ".ef"))
|
{
|
{
|
/* the value of .ef is the address of epilogue code;
|
/* the value of .ef is the address of epilogue code;
|
not useful for gdb. */
|
not useful for gdb. */
|
/* { main_aux.x_sym.x_misc.x_lnsz.x_lnno
|
/* { main_aux.x_sym.x_misc.x_lnsz.x_lnno
|
contains number of lines to '}' */
|
contains number of lines to '}' */
|
|
|
if (context_stack_depth <= 0)
|
if (context_stack_depth <= 0)
|
{ /* We attempted to pop an empty context stack */
|
{ /* We attempted to pop an empty context stack */
|
complain (&ef_stack_complaint, cs->c_symnum);
|
complain (&ef_stack_complaint, cs->c_symnum);
|
within_function = 0;
|
within_function = 0;
|
break;
|
break;
|
}
|
}
|
|
|
new = pop_context ();
|
new = pop_context ();
|
/* Stack must be empty now. */
|
/* Stack must be empty now. */
|
if (context_stack_depth > 0 || new == NULL)
|
if (context_stack_depth > 0 || new == NULL)
|
{
|
{
|
complain (&ef_complaint, cs->c_symnum);
|
complain (&ef_complaint, cs->c_symnum);
|
within_function = 0;
|
within_function = 0;
|
break;
|
break;
|
}
|
}
|
if (cs->c_naux != 1)
|
if (cs->c_naux != 1)
|
{
|
{
|
complain (&ef_no_aux_complaint, cs->c_symnum);
|
complain (&ef_no_aux_complaint, cs->c_symnum);
|
fcn_last_line = 0x7FFFFFFF;
|
fcn_last_line = 0x7FFFFFFF;
|
}
|
}
|
else
|
else
|
{
|
{
|
fcn_last_line = main_aux.x_sym.x_misc.x_lnsz.x_lnno;
|
fcn_last_line = main_aux.x_sym.x_misc.x_lnsz.x_lnno;
|
}
|
}
|
/* fcn_first_line is the line number of the opening '{'.
|
/* fcn_first_line is the line number of the opening '{'.
|
Do not record it - because it would affect gdb's idea
|
Do not record it - because it would affect gdb's idea
|
of the line number of the first statement of the function -
|
of the line number of the first statement of the function -
|
except for one-line functions, for which it is also the line
|
except for one-line functions, for which it is also the line
|
number of all the statements and of the closing '}', and
|
number of all the statements and of the closing '}', and
|
for which we do not have any other statement-line-number. */
|
for which we do not have any other statement-line-number. */
|
if (fcn_last_line == 1)
|
if (fcn_last_line == 1)
|
record_line (current_subfile, fcn_first_line,
|
record_line (current_subfile, fcn_first_line,
|
fcn_first_line_addr);
|
fcn_first_line_addr);
|
else
|
else
|
enter_linenos (fcn_line_ptr, fcn_first_line, fcn_last_line,
|
enter_linenos (fcn_line_ptr, fcn_first_line, fcn_last_line,
|
objfile);
|
objfile);
|
|
|
finish_block (new->name, &local_symbols, new->old_blocks,
|
finish_block (new->name, &local_symbols, new->old_blocks,
|
new->start_addr,
|
new->start_addr,
|
#if defined (FUNCTION_EPILOGUE_SIZE)
|
#if defined (FUNCTION_EPILOGUE_SIZE)
|
/* This macro should be defined only on
|
/* This macro should be defined only on
|
machines where the
|
machines where the
|
fcn_aux_saved.x_sym.x_misc.x_fsize
|
fcn_aux_saved.x_sym.x_misc.x_fsize
|
field is always zero.
|
field is always zero.
|
So use the .bf record information that
|
So use the .bf record information that
|
points to the epilogue and add the size
|
points to the epilogue and add the size
|
of the epilogue. */
|
of the epilogue. */
|
cs->c_value
|
cs->c_value
|
+ FUNCTION_EPILOGUE_SIZE
|
+ FUNCTION_EPILOGUE_SIZE
|
+ ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT),
|
+ ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT),
|
#else
|
#else
|
fcn_cs_saved.c_value
|
fcn_cs_saved.c_value
|
+ fcn_aux_saved.x_sym.x_misc.x_fsize
|
+ fcn_aux_saved.x_sym.x_misc.x_fsize
|
+ ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT),
|
+ ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT),
|
#endif
|
#endif
|
objfile
|
objfile
|
);
|
);
|
within_function = 0;
|
within_function = 0;
|
}
|
}
|
break;
|
break;
|
|
|
case C_BLOCK:
|
case C_BLOCK:
|
if (STREQ (cs->c_name, ".bb"))
|
if (STREQ (cs->c_name, ".bb"))
|
{
|
{
|
tmpaddr = cs->c_value;
|
tmpaddr = cs->c_value;
|
tmpaddr += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT);
|
tmpaddr += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT);
|
push_context (++depth, tmpaddr);
|
push_context (++depth, tmpaddr);
|
}
|
}
|
else if (STREQ (cs->c_name, ".eb"))
|
else if (STREQ (cs->c_name, ".eb"))
|
{
|
{
|
if (context_stack_depth <= 0)
|
if (context_stack_depth <= 0)
|
{ /* We attempted to pop an empty context stack */
|
{ /* We attempted to pop an empty context stack */
|
complain (&eb_stack_complaint, cs->c_symnum);
|
complain (&eb_stack_complaint, cs->c_symnum);
|
break;
|
break;
|
}
|
}
|
|
|
new = pop_context ();
|
new = pop_context ();
|
if (depth-- != new->depth)
|
if (depth-- != new->depth)
|
{
|
{
|
complain (&eb_complaint, symnum);
|
complain (&eb_complaint, symnum);
|
break;
|
break;
|
}
|
}
|
if (local_symbols && context_stack_depth > 0)
|
if (local_symbols && context_stack_depth > 0)
|
{
|
{
|
tmpaddr =
|
tmpaddr =
|
cs->c_value + ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT);
|
cs->c_value + ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT);
|
/* Make a block for the local symbols within. */
|
/* Make a block for the local symbols within. */
|
finish_block (0, &local_symbols, new->old_blocks,
|
finish_block (0, &local_symbols, new->old_blocks,
|
new->start_addr, tmpaddr, objfile);
|
new->start_addr, tmpaddr, objfile);
|
}
|
}
|
/* Now pop locals of block just finished. */
|
/* Now pop locals of block just finished. */
|
local_symbols = new->locals;
|
local_symbols = new->locals;
|
}
|
}
|
break;
|
break;
|
|
|
default:
|
default:
|
process_coff_symbol (cs, &main_aux, objfile);
|
process_coff_symbol (cs, &main_aux, objfile);
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
if (last_source_file)
|
if (last_source_file)
|
coff_end_symtab (objfile);
|
coff_end_symtab (objfile);
|
|
|
/* Patch up any opaque types (references to types that are not defined
|
/* Patch up any opaque types (references to types that are not defined
|
in the file where they are referenced, e.g. "struct foo *bar"). */
|
in the file where they are referenced, e.g. "struct foo *bar"). */
|
ALL_OBJFILE_SYMTABS (objfile, s)
|
ALL_OBJFILE_SYMTABS (objfile, s)
|
patch_opaque_types (s);
|
patch_opaque_types (s);
|
|
|
current_objfile = NULL;
|
current_objfile = NULL;
|
}
|
}
|
|
|
/* Routines for reading headers and symbols from executable. */
|
/* Routines for reading headers and symbols from executable. */
|
|
|
/* Read the next symbol, swap it, and return it in both internal_syment
|
/* Read the next symbol, swap it, and return it in both internal_syment
|
form, and coff_symbol form. Also return its first auxent, if any,
|
form, and coff_symbol form. Also return its first auxent, if any,
|
in internal_auxent form, and skip any other auxents. */
|
in internal_auxent form, and skip any other auxents. */
|
|
|
static void
|
static void
|
read_one_sym (cs, sym, aux)
|
read_one_sym (cs, sym, aux)
|
register struct coff_symbol *cs;
|
register struct coff_symbol *cs;
|
register struct internal_syment *sym;
|
register struct internal_syment *sym;
|
register union internal_auxent *aux;
|
register union internal_auxent *aux;
|
{
|
{
|
int i;
|
int i;
|
|
|
cs->c_symnum = symnum;
|
cs->c_symnum = symnum;
|
bfd_read (temp_sym, local_symesz, 1, nlist_bfd_global);
|
bfd_read (temp_sym, local_symesz, 1, nlist_bfd_global);
|
bfd_coff_swap_sym_in (symfile_bfd, temp_sym, (char *) sym);
|
bfd_coff_swap_sym_in (symfile_bfd, temp_sym, (char *) sym);
|
cs->c_naux = sym->n_numaux & 0xff;
|
cs->c_naux = sym->n_numaux & 0xff;
|
if (cs->c_naux >= 1)
|
if (cs->c_naux >= 1)
|
{
|
{
|
bfd_read (temp_aux, local_auxesz, 1, nlist_bfd_global);
|
bfd_read (temp_aux, local_auxesz, 1, nlist_bfd_global);
|
bfd_coff_swap_aux_in (symfile_bfd, temp_aux, sym->n_type, sym->n_sclass,
|
bfd_coff_swap_aux_in (symfile_bfd, temp_aux, sym->n_type, sym->n_sclass,
|
0, cs->c_naux, (char *) aux);
|
0, cs->c_naux, (char *) aux);
|
/* If more than one aux entry, read past it (only the first aux
|
/* If more than one aux entry, read past it (only the first aux
|
is important). */
|
is important). */
|
for (i = 1; i < cs->c_naux; i++)
|
for (i = 1; i < cs->c_naux; i++)
|
bfd_read (temp_aux, local_auxesz, 1, nlist_bfd_global);
|
bfd_read (temp_aux, local_auxesz, 1, nlist_bfd_global);
|
}
|
}
|
cs->c_name = getsymname (sym);
|
cs->c_name = getsymname (sym);
|
cs->c_value = sym->n_value;
|
cs->c_value = sym->n_value;
|
cs->c_sclass = (sym->n_sclass & 0xff);
|
cs->c_sclass = (sym->n_sclass & 0xff);
|
cs->c_secnum = sym->n_scnum;
|
cs->c_secnum = sym->n_scnum;
|
cs->c_type = (unsigned) sym->n_type;
|
cs->c_type = (unsigned) sym->n_type;
|
if (!SDB_TYPE (cs->c_type))
|
if (!SDB_TYPE (cs->c_type))
|
cs->c_type = 0;
|
cs->c_type = 0;
|
|
|
#if 0
|
#if 0
|
if (cs->c_sclass & 128)
|
if (cs->c_sclass & 128)
|
printf ("thumb symbol %s, class 0x%x\n", cs->c_name, cs->c_sclass);
|
printf ("thumb symbol %s, class 0x%x\n", cs->c_name, cs->c_sclass);
|
#endif
|
#endif
|
|
|
symnum += 1 + cs->c_naux;
|
symnum += 1 + cs->c_naux;
|
|
|
/* The PE file format stores symbol values as offsets within the
|
/* The PE file format stores symbol values as offsets within the
|
section, rather than as absolute addresses. We correct that
|
section, rather than as absolute addresses. We correct that
|
here, if the symbol has an appropriate storage class. FIXME: We
|
here, if the symbol has an appropriate storage class. FIXME: We
|
should use BFD to read the symbols, rather than duplicating the
|
should use BFD to read the symbols, rather than duplicating the
|
work here. */
|
work here. */
|
if (pe_file)
|
if (pe_file)
|
{
|
{
|
switch (cs->c_sclass)
|
switch (cs->c_sclass)
|
{
|
{
|
case C_EXT:
|
case C_EXT:
|
case C_THUMBEXT:
|
case C_THUMBEXT:
|
case C_THUMBEXTFUNC:
|
case C_THUMBEXTFUNC:
|
case C_SECTION:
|
case C_SECTION:
|
case C_NT_WEAK:
|
case C_NT_WEAK:
|
case C_STAT:
|
case C_STAT:
|
case C_THUMBSTAT:
|
case C_THUMBSTAT:
|
case C_THUMBSTATFUNC:
|
case C_THUMBSTATFUNC:
|
case C_LABEL:
|
case C_LABEL:
|
case C_THUMBLABEL:
|
case C_THUMBLABEL:
|
case C_BLOCK:
|
case C_BLOCK:
|
case C_FCN:
|
case C_FCN:
|
case C_EFCN:
|
case C_EFCN:
|
if (cs->c_secnum != 0)
|
if (cs->c_secnum != 0)
|
cs->c_value += cs_section_address (cs, symfile_bfd);
|
cs->c_value += cs_section_address (cs, symfile_bfd);
|
break;
|
break;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
/* Support for string table handling */
|
/* Support for string table handling */
|
|
|
static char *stringtab = NULL;
|
static char *stringtab = NULL;
|
|
|
static int
|
static int
|
init_stringtab (abfd, offset)
|
init_stringtab (abfd, offset)
|
bfd *abfd;
|
bfd *abfd;
|
long offset;
|
long offset;
|
{
|
{
|
long length;
|
long length;
|
int val;
|
int val;
|
unsigned char lengthbuf[4];
|
unsigned char lengthbuf[4];
|
|
|
free_stringtab ();
|
free_stringtab ();
|
|
|
/* If the file is stripped, the offset might be zero, indicating no
|
/* If the file is stripped, the offset might be zero, indicating no
|
string table. Just return with `stringtab' set to null. */
|
string table. Just return with `stringtab' set to null. */
|
if (offset == 0)
|
if (offset == 0)
|
return 0;
|
return 0;
|
|
|
if (bfd_seek (abfd, offset, 0) < 0)
|
if (bfd_seek (abfd, offset, 0) < 0)
|
return -1;
|
return -1;
|
|
|
val = bfd_read ((char *) lengthbuf, sizeof lengthbuf, 1, abfd);
|
val = bfd_read ((char *) lengthbuf, sizeof lengthbuf, 1, abfd);
|
length = bfd_h_get_32 (symfile_bfd, lengthbuf);
|
length = bfd_h_get_32 (symfile_bfd, lengthbuf);
|
|
|
/* If no string table is needed, then the file may end immediately
|
/* If no string table is needed, then the file may end immediately
|
after the symbols. Just return with `stringtab' set to null. */
|
after the symbols. Just return with `stringtab' set to null. */
|
if (val != sizeof lengthbuf || length < sizeof lengthbuf)
|
if (val != sizeof lengthbuf || length < sizeof lengthbuf)
|
return 0;
|
return 0;
|
|
|
stringtab = (char *) xmalloc (length);
|
stringtab = (char *) xmalloc (length);
|
/* This is in target format (probably not very useful, and not currently
|
/* This is in target format (probably not very useful, and not currently
|
used), not host format. */
|
used), not host format. */
|
memcpy (stringtab, lengthbuf, sizeof lengthbuf);
|
memcpy (stringtab, lengthbuf, sizeof lengthbuf);
|
if (length == sizeof length) /* Empty table -- just the count */
|
if (length == sizeof length) /* Empty table -- just the count */
|
return 0;
|
return 0;
|
|
|
val = bfd_read (stringtab + sizeof lengthbuf, length - sizeof lengthbuf, 1, abfd);
|
val = bfd_read (stringtab + sizeof lengthbuf, length - sizeof lengthbuf, 1, abfd);
|
if (val != length - sizeof lengthbuf || stringtab[length - 1] != '\0')
|
if (val != length - sizeof lengthbuf || stringtab[length - 1] != '\0')
|
return -1;
|
return -1;
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static void
|
static void
|
free_stringtab ()
|
free_stringtab ()
|
{
|
{
|
if (stringtab)
|
if (stringtab)
|
free (stringtab);
|
free (stringtab);
|
stringtab = NULL;
|
stringtab = NULL;
|
}
|
}
|
|
|
static char *
|
static char *
|
getsymname (symbol_entry)
|
getsymname (symbol_entry)
|
struct internal_syment *symbol_entry;
|
struct internal_syment *symbol_entry;
|
{
|
{
|
static char buffer[SYMNMLEN + 1];
|
static char buffer[SYMNMLEN + 1];
|
char *result;
|
char *result;
|
|
|
if (symbol_entry->_n._n_n._n_zeroes == 0)
|
if (symbol_entry->_n._n_n._n_zeroes == 0)
|
{
|
{
|
/* FIXME: Probably should be detecting corrupt symbol files by
|
/* FIXME: Probably should be detecting corrupt symbol files by
|
seeing whether offset points to within the stringtab. */
|
seeing whether offset points to within the stringtab. */
|
result = stringtab + symbol_entry->_n._n_n._n_offset;
|
result = stringtab + symbol_entry->_n._n_n._n_offset;
|
}
|
}
|
else
|
else
|
{
|
{
|
strncpy (buffer, symbol_entry->_n._n_name, SYMNMLEN);
|
strncpy (buffer, symbol_entry->_n._n_name, SYMNMLEN);
|
buffer[SYMNMLEN] = '\0';
|
buffer[SYMNMLEN] = '\0';
|
result = buffer;
|
result = buffer;
|
}
|
}
|
return result;
|
return result;
|
}
|
}
|
|
|
/* Extract the file name from the aux entry of a C_FILE symbol. Return
|
/* Extract the file name from the aux entry of a C_FILE symbol. Return
|
only the last component of the name. Result is in static storage and
|
only the last component of the name. Result is in static storage and
|
is only good for temporary use. */
|
is only good for temporary use. */
|
|
|
static char *
|
static char *
|
coff_getfilename (aux_entry)
|
coff_getfilename (aux_entry)
|
union internal_auxent *aux_entry;
|
union internal_auxent *aux_entry;
|
{
|
{
|
static char buffer[BUFSIZ];
|
static char buffer[BUFSIZ];
|
register char *temp;
|
register char *temp;
|
char *result;
|
char *result;
|
|
|
if (aux_entry->x_file.x_n.x_zeroes == 0)
|
if (aux_entry->x_file.x_n.x_zeroes == 0)
|
strcpy (buffer, stringtab + aux_entry->x_file.x_n.x_offset);
|
strcpy (buffer, stringtab + aux_entry->x_file.x_n.x_offset);
|
else
|
else
|
{
|
{
|
strncpy (buffer, aux_entry->x_file.x_fname, FILNMLEN);
|
strncpy (buffer, aux_entry->x_file.x_fname, FILNMLEN);
|
buffer[FILNMLEN] = '\0';
|
buffer[FILNMLEN] = '\0';
|
}
|
}
|
result = buffer;
|
result = buffer;
|
|
|
/* FIXME: We should not be throwing away the information about what
|
/* FIXME: We should not be throwing away the information about what
|
directory. It should go into dirname of the symtab, or some such
|
directory. It should go into dirname of the symtab, or some such
|
place. */
|
place. */
|
if ((temp = strrchr (result, '/')) != NULL)
|
if ((temp = strrchr (result, '/')) != NULL)
|
result = temp + 1;
|
result = temp + 1;
|
return (result);
|
return (result);
|
}
|
}
|
|
|
/* Support for line number handling. */
|
/* Support for line number handling. */
|
|
|
static char *linetab = NULL;
|
static char *linetab = NULL;
|
static long linetab_offset;
|
static long linetab_offset;
|
static unsigned long linetab_size;
|
static unsigned long linetab_size;
|
|
|
/* Read in all the line numbers for fast lookups later. Leave them in
|
/* Read in all the line numbers for fast lookups later. Leave them in
|
external (unswapped) format in memory; we'll swap them as we enter
|
external (unswapped) format in memory; we'll swap them as we enter
|
them into GDB's data structures. */
|
them into GDB's data structures. */
|
|
|
static int
|
static int
|
init_lineno (abfd, offset, size)
|
init_lineno (abfd, offset, size)
|
bfd *abfd;
|
bfd *abfd;
|
long offset;
|
long offset;
|
int size;
|
int size;
|
{
|
{
|
int val;
|
int val;
|
|
|
linetab_offset = offset;
|
linetab_offset = offset;
|
linetab_size = size;
|
linetab_size = size;
|
|
|
free_linetab ();
|
free_linetab ();
|
|
|
if (size == 0)
|
if (size == 0)
|
return 0;
|
return 0;
|
|
|
if (bfd_seek (abfd, offset, 0) < 0)
|
if (bfd_seek (abfd, offset, 0) < 0)
|
return -1;
|
return -1;
|
|
|
/* Allocate the desired table, plus a sentinel */
|
/* Allocate the desired table, plus a sentinel */
|
linetab = (char *) xmalloc (size + local_linesz);
|
linetab = (char *) xmalloc (size + local_linesz);
|
|
|
val = bfd_read (linetab, size, 1, abfd);
|
val = bfd_read (linetab, size, 1, abfd);
|
if (val != size)
|
if (val != size)
|
return -1;
|
return -1;
|
|
|
/* Terminate it with an all-zero sentinel record */
|
/* Terminate it with an all-zero sentinel record */
|
memset (linetab + size, 0, local_linesz);
|
memset (linetab + size, 0, local_linesz);
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static void
|
static void
|
free_linetab ()
|
free_linetab ()
|
{
|
{
|
if (linetab)
|
if (linetab)
|
free (linetab);
|
free (linetab);
|
linetab = NULL;
|
linetab = NULL;
|
}
|
}
|
|
|
#if !defined (L_LNNO32)
|
#if !defined (L_LNNO32)
|
#define L_LNNO32(lp) ((lp)->l_lnno)
|
#define L_LNNO32(lp) ((lp)->l_lnno)
|
#endif
|
#endif
|
|
|
static void
|
static void
|
enter_linenos (file_offset, first_line, last_line, objfile)
|
enter_linenos (file_offset, first_line, last_line, objfile)
|
long file_offset;
|
long file_offset;
|
register int first_line;
|
register int first_line;
|
register int last_line;
|
register int last_line;
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
register char *rawptr;
|
register char *rawptr;
|
struct internal_lineno lptr;
|
struct internal_lineno lptr;
|
|
|
if (!linetab)
|
if (!linetab)
|
return;
|
return;
|
if (file_offset < linetab_offset)
|
if (file_offset < linetab_offset)
|
{
|
{
|
complain (&lineno_complaint, file_offset);
|
complain (&lineno_complaint, file_offset);
|
if (file_offset > linetab_size) /* Too big to be an offset? */
|
if (file_offset > linetab_size) /* Too big to be an offset? */
|
return;
|
return;
|
file_offset += linetab_offset; /* Try reading at that linetab offset */
|
file_offset += linetab_offset; /* Try reading at that linetab offset */
|
}
|
}
|
|
|
rawptr = &linetab[file_offset - linetab_offset];
|
rawptr = &linetab[file_offset - linetab_offset];
|
|
|
/* skip first line entry for each function */
|
/* skip first line entry for each function */
|
rawptr += local_linesz;
|
rawptr += local_linesz;
|
/* line numbers start at one for the first line of the function */
|
/* line numbers start at one for the first line of the function */
|
first_line--;
|
first_line--;
|
|
|
for (;;)
|
for (;;)
|
{
|
{
|
bfd_coff_swap_lineno_in (symfile_bfd, rawptr, &lptr);
|
bfd_coff_swap_lineno_in (symfile_bfd, rawptr, &lptr);
|
rawptr += local_linesz;
|
rawptr += local_linesz;
|
/* The next function, or the sentinel, will have L_LNNO32 zero; we exit. */
|
/* The next function, or the sentinel, will have L_LNNO32 zero; we exit. */
|
if (L_LNNO32 (&lptr) && L_LNNO32 (&lptr) <= last_line)
|
if (L_LNNO32 (&lptr) && L_LNNO32 (&lptr) <= last_line)
|
record_line (current_subfile, first_line + L_LNNO32 (&lptr),
|
record_line (current_subfile, first_line + L_LNNO32 (&lptr),
|
lptr.l_addr.l_paddr
|
lptr.l_addr.l_paddr
|
+ ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT));
|
+ ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT));
|
else
|
else
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
static void
|
static void
|
patch_type (type, real_type)
|
patch_type (type, real_type)
|
struct type *type;
|
struct type *type;
|
struct type *real_type;
|
struct type *real_type;
|
{
|
{
|
register struct type *target = TYPE_TARGET_TYPE (type);
|
register struct type *target = TYPE_TARGET_TYPE (type);
|
register struct type *real_target = TYPE_TARGET_TYPE (real_type);
|
register struct type *real_target = TYPE_TARGET_TYPE (real_type);
|
int field_size = TYPE_NFIELDS (real_target) * sizeof (struct field);
|
int field_size = TYPE_NFIELDS (real_target) * sizeof (struct field);
|
|
|
TYPE_LENGTH (target) = TYPE_LENGTH (real_target);
|
TYPE_LENGTH (target) = TYPE_LENGTH (real_target);
|
TYPE_NFIELDS (target) = TYPE_NFIELDS (real_target);
|
TYPE_NFIELDS (target) = TYPE_NFIELDS (real_target);
|
TYPE_FIELDS (target) = (struct field *) TYPE_ALLOC (target, field_size);
|
TYPE_FIELDS (target) = (struct field *) TYPE_ALLOC (target, field_size);
|
|
|
memcpy (TYPE_FIELDS (target), TYPE_FIELDS (real_target), field_size);
|
memcpy (TYPE_FIELDS (target), TYPE_FIELDS (real_target), field_size);
|
|
|
if (TYPE_NAME (real_target))
|
if (TYPE_NAME (real_target))
|
{
|
{
|
if (TYPE_NAME (target))
|
if (TYPE_NAME (target))
|
free (TYPE_NAME (target));
|
free (TYPE_NAME (target));
|
TYPE_NAME (target) = concat (TYPE_NAME (real_target), NULL);
|
TYPE_NAME (target) = concat (TYPE_NAME (real_target), NULL);
|
}
|
}
|
}
|
}
|
|
|
/* Patch up all appropriate typedef symbols in the opaque_type_chains
|
/* Patch up all appropriate typedef symbols in the opaque_type_chains
|
so that they can be used to print out opaque data structures properly. */
|
so that they can be used to print out opaque data structures properly. */
|
|
|
static void
|
static void
|
patch_opaque_types (s)
|
patch_opaque_types (s)
|
struct symtab *s;
|
struct symtab *s;
|
{
|
{
|
register struct block *b;
|
register struct block *b;
|
register int i;
|
register int i;
|
register struct symbol *real_sym;
|
register struct symbol *real_sym;
|
|
|
/* Go through the per-file symbols only */
|
/* Go through the per-file symbols only */
|
b = BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), STATIC_BLOCK);
|
b = BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), STATIC_BLOCK);
|
for (i = BLOCK_NSYMS (b) - 1; i >= 0; i--)
|
for (i = BLOCK_NSYMS (b) - 1; i >= 0; i--)
|
{
|
{
|
/* Find completed typedefs to use to fix opaque ones.
|
/* Find completed typedefs to use to fix opaque ones.
|
Remove syms from the chain when their types are stored,
|
Remove syms from the chain when their types are stored,
|
but search the whole chain, as there may be several syms
|
but search the whole chain, as there may be several syms
|
from different files with the same name. */
|
from different files with the same name. */
|
real_sym = BLOCK_SYM (b, i);
|
real_sym = BLOCK_SYM (b, i);
|
if (SYMBOL_CLASS (real_sym) == LOC_TYPEDEF &&
|
if (SYMBOL_CLASS (real_sym) == LOC_TYPEDEF &&
|
SYMBOL_NAMESPACE (real_sym) == VAR_NAMESPACE &&
|
SYMBOL_NAMESPACE (real_sym) == VAR_NAMESPACE &&
|
TYPE_CODE (SYMBOL_TYPE (real_sym)) == TYPE_CODE_PTR &&
|
TYPE_CODE (SYMBOL_TYPE (real_sym)) == TYPE_CODE_PTR &&
|
TYPE_LENGTH (TYPE_TARGET_TYPE (SYMBOL_TYPE (real_sym))) != 0)
|
TYPE_LENGTH (TYPE_TARGET_TYPE (SYMBOL_TYPE (real_sym))) != 0)
|
{
|
{
|
register char *name = SYMBOL_NAME (real_sym);
|
register char *name = SYMBOL_NAME (real_sym);
|
register int hash = hashname (name);
|
register int hash = hashname (name);
|
register struct symbol *sym, *prev;
|
register struct symbol *sym, *prev;
|
|
|
prev = 0;
|
prev = 0;
|
for (sym = opaque_type_chain[hash]; sym;)
|
for (sym = opaque_type_chain[hash]; sym;)
|
{
|
{
|
if (name[0] == SYMBOL_NAME (sym)[0] &&
|
if (name[0] == SYMBOL_NAME (sym)[0] &&
|
STREQ (name + 1, SYMBOL_NAME (sym) + 1))
|
STREQ (name + 1, SYMBOL_NAME (sym) + 1))
|
{
|
{
|
if (prev)
|
if (prev)
|
{
|
{
|
SYMBOL_VALUE_CHAIN (prev) = SYMBOL_VALUE_CHAIN (sym);
|
SYMBOL_VALUE_CHAIN (prev) = SYMBOL_VALUE_CHAIN (sym);
|
}
|
}
|
else
|
else
|
{
|
{
|
opaque_type_chain[hash] = SYMBOL_VALUE_CHAIN (sym);
|
opaque_type_chain[hash] = SYMBOL_VALUE_CHAIN (sym);
|
}
|
}
|
|
|
patch_type (SYMBOL_TYPE (sym), SYMBOL_TYPE (real_sym));
|
patch_type (SYMBOL_TYPE (sym), SYMBOL_TYPE (real_sym));
|
|
|
if (prev)
|
if (prev)
|
{
|
{
|
sym = SYMBOL_VALUE_CHAIN (prev);
|
sym = SYMBOL_VALUE_CHAIN (prev);
|
}
|
}
|
else
|
else
|
{
|
{
|
sym = opaque_type_chain[hash];
|
sym = opaque_type_chain[hash];
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
prev = sym;
|
prev = sym;
|
sym = SYMBOL_VALUE_CHAIN (sym);
|
sym = SYMBOL_VALUE_CHAIN (sym);
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
static struct symbol *
|
static struct symbol *
|
process_coff_symbol (cs, aux, objfile)
|
process_coff_symbol (cs, aux, objfile)
|
register struct coff_symbol *cs;
|
register struct coff_symbol *cs;
|
register union internal_auxent *aux;
|
register union internal_auxent *aux;
|
struct objfile *objfile;
|
struct objfile *objfile;
|
{
|
{
|
register struct symbol *sym
|
register struct symbol *sym
|
= (struct symbol *) obstack_alloc (&objfile->symbol_obstack,
|
= (struct symbol *) obstack_alloc (&objfile->symbol_obstack,
|
sizeof (struct symbol));
|
sizeof (struct symbol));
|
char *name;
|
char *name;
|
|
|
memset (sym, 0, sizeof (struct symbol));
|
memset (sym, 0, sizeof (struct symbol));
|
name = cs->c_name;
|
name = cs->c_name;
|
name = EXTERNAL_NAME (name, objfile->obfd);
|
name = EXTERNAL_NAME (name, objfile->obfd);
|
SYMBOL_NAME (sym) = obsavestring (name, strlen (name),
|
SYMBOL_NAME (sym) = obsavestring (name, strlen (name),
|
&objfile->symbol_obstack);
|
&objfile->symbol_obstack);
|
SYMBOL_LANGUAGE (sym) = language_auto;
|
SYMBOL_LANGUAGE (sym) = language_auto;
|
SYMBOL_INIT_DEMANGLED_NAME (sym, &objfile->symbol_obstack);
|
SYMBOL_INIT_DEMANGLED_NAME (sym, &objfile->symbol_obstack);
|
|
|
/* default assumptions */
|
/* default assumptions */
|
SYMBOL_VALUE (sym) = cs->c_value;
|
SYMBOL_VALUE (sym) = cs->c_value;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
SYMBOL_SECTION (sym) = cs_to_section (cs, objfile);
|
SYMBOL_SECTION (sym) = cs_to_section (cs, objfile);
|
|
|
if (ISFCN (cs->c_type))
|
if (ISFCN (cs->c_type))
|
{
|
{
|
SYMBOL_VALUE (sym) += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT);
|
SYMBOL_VALUE (sym) += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT);
|
SYMBOL_TYPE (sym) =
|
SYMBOL_TYPE (sym) =
|
lookup_function_type (decode_function_type (cs, cs->c_type, aux));
|
lookup_function_type (decode_function_type (cs, cs->c_type, aux));
|
|
|
SYMBOL_CLASS (sym) = LOC_BLOCK;
|
SYMBOL_CLASS (sym) = LOC_BLOCK;
|
if (cs->c_sclass == C_STAT || cs->c_sclass == C_THUMBSTAT
|
if (cs->c_sclass == C_STAT || cs->c_sclass == C_THUMBSTAT
|
|| cs->c_sclass == C_THUMBSTATFUNC)
|
|| cs->c_sclass == C_THUMBSTATFUNC)
|
add_symbol_to_list (sym, &file_symbols);
|
add_symbol_to_list (sym, &file_symbols);
|
else if (cs->c_sclass == C_EXT || cs->c_sclass == C_THUMBEXT
|
else if (cs->c_sclass == C_EXT || cs->c_sclass == C_THUMBEXT
|
|| cs->c_sclass == C_THUMBEXTFUNC)
|
|| cs->c_sclass == C_THUMBEXTFUNC)
|
add_symbol_to_list (sym, &global_symbols);
|
add_symbol_to_list (sym, &global_symbols);
|
}
|
}
|
else
|
else
|
{
|
{
|
SYMBOL_TYPE (sym) = decode_type (cs, cs->c_type, aux);
|
SYMBOL_TYPE (sym) = decode_type (cs, cs->c_type, aux);
|
switch (cs->c_sclass)
|
switch (cs->c_sclass)
|
{
|
{
|
case C_NULL:
|
case C_NULL:
|
break;
|
break;
|
|
|
case C_AUTO:
|
case C_AUTO:
|
SYMBOL_CLASS (sym) = LOC_LOCAL;
|
SYMBOL_CLASS (sym) = LOC_LOCAL;
|
add_symbol_to_list (sym, &local_symbols);
|
add_symbol_to_list (sym, &local_symbols);
|
break;
|
break;
|
|
|
case C_THUMBEXT:
|
case C_THUMBEXT:
|
case C_THUMBEXTFUNC:
|
case C_THUMBEXTFUNC:
|
case C_EXT:
|
case C_EXT:
|
SYMBOL_CLASS (sym) = LOC_STATIC;
|
SYMBOL_CLASS (sym) = LOC_STATIC;
|
SYMBOL_VALUE_ADDRESS (sym) = (CORE_ADDR) cs->c_value;
|
SYMBOL_VALUE_ADDRESS (sym) = (CORE_ADDR) cs->c_value;
|
SYMBOL_VALUE_ADDRESS (sym) += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT);
|
SYMBOL_VALUE_ADDRESS (sym) += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT);
|
add_symbol_to_list (sym, &global_symbols);
|
add_symbol_to_list (sym, &global_symbols);
|
break;
|
break;
|
|
|
case C_THUMBSTAT:
|
case C_THUMBSTAT:
|
case C_THUMBSTATFUNC:
|
case C_THUMBSTATFUNC:
|
case C_STAT:
|
case C_STAT:
|
SYMBOL_CLASS (sym) = LOC_STATIC;
|
SYMBOL_CLASS (sym) = LOC_STATIC;
|
SYMBOL_VALUE_ADDRESS (sym) = (CORE_ADDR) cs->c_value;
|
SYMBOL_VALUE_ADDRESS (sym) = (CORE_ADDR) cs->c_value;
|
SYMBOL_VALUE_ADDRESS (sym) += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT);
|
SYMBOL_VALUE_ADDRESS (sym) += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT);
|
if (within_function)
|
if (within_function)
|
{
|
{
|
/* Static symbol of local scope */
|
/* Static symbol of local scope */
|
add_symbol_to_list (sym, &local_symbols);
|
add_symbol_to_list (sym, &local_symbols);
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Static symbol at top level of file */
|
/* Static symbol at top level of file */
|
add_symbol_to_list (sym, &file_symbols);
|
add_symbol_to_list (sym, &file_symbols);
|
}
|
}
|
break;
|
break;
|
|
|
#ifdef C_GLBLREG /* AMD coff */
|
#ifdef C_GLBLREG /* AMD coff */
|
case C_GLBLREG:
|
case C_GLBLREG:
|
#endif
|
#endif
|
case C_REG:
|
case C_REG:
|
SYMBOL_CLASS (sym) = LOC_REGISTER;
|
SYMBOL_CLASS (sym) = LOC_REGISTER;
|
SYMBOL_VALUE (sym) = SDB_REG_TO_REGNUM (cs->c_value);
|
SYMBOL_VALUE (sym) = SDB_REG_TO_REGNUM (cs->c_value);
|
add_symbol_to_list (sym, &local_symbols);
|
add_symbol_to_list (sym, &local_symbols);
|
break;
|
break;
|
|
|
case C_THUMBLABEL:
|
case C_THUMBLABEL:
|
case C_LABEL:
|
case C_LABEL:
|
break;
|
break;
|
|
|
case C_ARG:
|
case C_ARG:
|
SYMBOL_CLASS (sym) = LOC_ARG;
|
SYMBOL_CLASS (sym) = LOC_ARG;
|
add_symbol_to_list (sym, &local_symbols);
|
add_symbol_to_list (sym, &local_symbols);
|
#if !defined (BELIEVE_PCC_PROMOTION)
|
#if !defined (BELIEVE_PCC_PROMOTION)
|
if (TARGET_BYTE_ORDER == BIG_ENDIAN)
|
if (TARGET_BYTE_ORDER == BIG_ENDIAN)
|
{
|
{
|
/* If PCC says a parameter is a short or a char,
|
/* If PCC says a parameter is a short or a char,
|
aligned on an int boundary, realign it to the
|
aligned on an int boundary, realign it to the
|
"little end" of the int. */
|
"little end" of the int. */
|
struct type *temptype;
|
struct type *temptype;
|
temptype = lookup_fundamental_type (current_objfile,
|
temptype = lookup_fundamental_type (current_objfile,
|
FT_INTEGER);
|
FT_INTEGER);
|
if (TYPE_LENGTH (SYMBOL_TYPE (sym)) < TYPE_LENGTH (temptype)
|
if (TYPE_LENGTH (SYMBOL_TYPE (sym)) < TYPE_LENGTH (temptype)
|
&& TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_INT
|
&& TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_INT
|
&& 0 == SYMBOL_VALUE (sym) % TYPE_LENGTH (temptype))
|
&& 0 == SYMBOL_VALUE (sym) % TYPE_LENGTH (temptype))
|
{
|
{
|
SYMBOL_VALUE (sym) +=
|
SYMBOL_VALUE (sym) +=
|
TYPE_LENGTH (temptype)
|
TYPE_LENGTH (temptype)
|
- TYPE_LENGTH (SYMBOL_TYPE (sym));
|
- TYPE_LENGTH (SYMBOL_TYPE (sym));
|
}
|
}
|
}
|
}
|
#endif
|
#endif
|
break;
|
break;
|
|
|
case C_REGPARM:
|
case C_REGPARM:
|
SYMBOL_CLASS (sym) = LOC_REGPARM;
|
SYMBOL_CLASS (sym) = LOC_REGPARM;
|
SYMBOL_VALUE (sym) = SDB_REG_TO_REGNUM (cs->c_value);
|
SYMBOL_VALUE (sym) = SDB_REG_TO_REGNUM (cs->c_value);
|
add_symbol_to_list (sym, &local_symbols);
|
add_symbol_to_list (sym, &local_symbols);
|
#if !defined (BELIEVE_PCC_PROMOTION)
|
#if !defined (BELIEVE_PCC_PROMOTION)
|
/* FIXME: This should retain the current type, since it's just
|
/* FIXME: This should retain the current type, since it's just
|
a register value. gnu@adobe, 26Feb93 */
|
a register value. gnu@adobe, 26Feb93 */
|
{
|
{
|
/* 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. */
|
struct type *temptype;
|
struct type *temptype;
|
temptype =
|
temptype =
|
lookup_fundamental_type (current_objfile, FT_INTEGER);
|
lookup_fundamental_type (current_objfile, FT_INTEGER);
|
if (TYPE_LENGTH (SYMBOL_TYPE (sym)) < TYPE_LENGTH (temptype)
|
if (TYPE_LENGTH (SYMBOL_TYPE (sym)) < TYPE_LENGTH (temptype)
|
&& 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))
|
? lookup_fundamental_type (current_objfile,
|
? lookup_fundamental_type (current_objfile,
|
FT_UNSIGNED_INTEGER)
|
FT_UNSIGNED_INTEGER)
|
: temptype);
|
: temptype);
|
}
|
}
|
}
|
}
|
#endif
|
#endif
|
break;
|
break;
|
|
|
case C_TPDEF:
|
case C_TPDEF:
|
SYMBOL_CLASS (sym) = LOC_TYPEDEF;
|
SYMBOL_CLASS (sym) = LOC_TYPEDEF;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
|
|
/* If type has no name, give it one */
|
/* If type has no name, give it one */
|
if (TYPE_NAME (SYMBOL_TYPE (sym)) == 0)
|
if (TYPE_NAME (SYMBOL_TYPE (sym)) == 0)
|
{
|
{
|
if (TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_PTR
|
if (TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_PTR
|
|| 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; CC and GCC (at
|
consequence of GDB's type management; CC 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
|
either type char * or caddr_t with the type
|
refering to the C_TPDEF symbol for caddr_t. If a future
|
refering to the C_TPDEF 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)) =
|
TYPE_NAME (SYMBOL_TYPE (sym)) =
|
concat (SYMBOL_NAME (sym), NULL);
|
concat (SYMBOL_NAME (sym), NULL);
|
}
|
}
|
#ifdef CXUX_TARGET
|
#ifdef CXUX_TARGET
|
/* Ignore vendor section for Harris CX/UX targets. */
|
/* Ignore vendor section for Harris CX/UX targets. */
|
else if (cs->c_name[0] == '$')
|
else if (cs->c_name[0] == '$')
|
break;
|
break;
|
#endif /* CXUX_TARGET */
|
#endif /* CXUX_TARGET */
|
|
|
/* Keep track of any type which points to empty structured type,
|
/* Keep track of any type which points to empty structured type,
|
so it can be filled from a definition from another file. A
|
so it can be filled from a definition from another file. A
|
simple forward reference (TYPE_CODE_UNDEF) is not an
|
simple forward reference (TYPE_CODE_UNDEF) is not an
|
empty structured type, though; the forward references
|
empty structured type, though; the forward references
|
work themselves out via the magic of coff_lookup_type. */
|
work themselves out via the magic of coff_lookup_type. */
|
if (TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_PTR &&
|
if (TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_PTR &&
|
TYPE_LENGTH (TYPE_TARGET_TYPE (SYMBOL_TYPE (sym))) == 0 &&
|
TYPE_LENGTH (TYPE_TARGET_TYPE (SYMBOL_TYPE (sym))) == 0 &&
|
TYPE_CODE (TYPE_TARGET_TYPE (SYMBOL_TYPE (sym))) !=
|
TYPE_CODE (TYPE_TARGET_TYPE (SYMBOL_TYPE (sym))) !=
|
TYPE_CODE_UNDEF)
|
TYPE_CODE_UNDEF)
|
{
|
{
|
register int i = hashname (SYMBOL_NAME (sym));
|
register int i = hashname (SYMBOL_NAME (sym));
|
|
|
SYMBOL_VALUE_CHAIN (sym) = opaque_type_chain[i];
|
SYMBOL_VALUE_CHAIN (sym) = opaque_type_chain[i];
|
opaque_type_chain[i] = sym;
|
opaque_type_chain[i] = sym;
|
}
|
}
|
add_symbol_to_list (sym, &file_symbols);
|
add_symbol_to_list (sym, &file_symbols);
|
break;
|
break;
|
|
|
case C_STRTAG:
|
case C_STRTAG:
|
case C_UNTAG:
|
case C_UNTAG:
|
case C_ENTAG:
|
case C_ENTAG:
|
SYMBOL_CLASS (sym) = LOC_TYPEDEF;
|
SYMBOL_CLASS (sym) = LOC_TYPEDEF;
|
SYMBOL_NAMESPACE (sym) = STRUCT_NAMESPACE;
|
SYMBOL_NAMESPACE (sym) = STRUCT_NAMESPACE;
|
|
|
/* Some compilers try to be helpful by inventing "fake"
|
/* Some compilers try to be helpful by inventing "fake"
|
names for anonymous enums, structures, and unions, like
|
names for anonymous enums, structures, and unions, like
|
"~0fake" or ".0fake". Thanks, but no thanks... */
|
"~0fake" or ".0fake". Thanks, but no thanks... */
|
if (TYPE_TAG_NAME (SYMBOL_TYPE (sym)) == 0)
|
if (TYPE_TAG_NAME (SYMBOL_TYPE (sym)) == 0)
|
if (SYMBOL_NAME (sym) != NULL
|
if (SYMBOL_NAME (sym) != NULL
|
&& *SYMBOL_NAME (sym) != '~'
|
&& *SYMBOL_NAME (sym) != '~'
|
&& *SYMBOL_NAME (sym) != '.')
|
&& *SYMBOL_NAME (sym) != '.')
|
TYPE_TAG_NAME (SYMBOL_TYPE (sym)) =
|
TYPE_TAG_NAME (SYMBOL_TYPE (sym)) =
|
concat (SYMBOL_NAME (sym), NULL);
|
concat (SYMBOL_NAME (sym), NULL);
|
|
|
add_symbol_to_list (sym, &file_symbols);
|
add_symbol_to_list (sym, &file_symbols);
|
break;
|
break;
|
|
|
default:
|
default:
|
break;
|
break;
|
}
|
}
|
}
|
}
|
return sym;
|
return sym;
|
}
|
}
|
|
|
/* Decode a coff type specifier; return the type that is meant. */
|
/* Decode a coff type specifier; return the type that is meant. */
|
|
|
static struct type *
|
static struct type *
|
decode_type (cs, c_type, aux)
|
decode_type (cs, c_type, aux)
|
register struct coff_symbol *cs;
|
register struct coff_symbol *cs;
|
unsigned int c_type;
|
unsigned int c_type;
|
register union internal_auxent *aux;
|
register union internal_auxent *aux;
|
{
|
{
|
register struct type *type = 0;
|
register struct type *type = 0;
|
unsigned int new_c_type;
|
unsigned int new_c_type;
|
|
|
if (c_type & ~N_BTMASK)
|
if (c_type & ~N_BTMASK)
|
{
|
{
|
new_c_type = DECREF (c_type);
|
new_c_type = DECREF (c_type);
|
if (ISPTR (c_type))
|
if (ISPTR (c_type))
|
{
|
{
|
type = decode_type (cs, new_c_type, aux);
|
type = decode_type (cs, new_c_type, aux);
|
type = lookup_pointer_type (type);
|
type = lookup_pointer_type (type);
|
}
|
}
|
else if (ISFCN (c_type))
|
else if (ISFCN (c_type))
|
{
|
{
|
type = decode_type (cs, new_c_type, aux);
|
type = decode_type (cs, new_c_type, aux);
|
type = lookup_function_type (type);
|
type = lookup_function_type (type);
|
}
|
}
|
else if (ISARY (c_type))
|
else if (ISARY (c_type))
|
{
|
{
|
int i, n;
|
int i, n;
|
register unsigned short *dim;
|
register unsigned short *dim;
|
struct type *base_type, *index_type, *range_type;
|
struct type *base_type, *index_type, *range_type;
|
|
|
/* Define an array type. */
|
/* Define an array type. */
|
/* auxent refers to array, not base type */
|
/* auxent refers to array, not base type */
|
if (aux->x_sym.x_tagndx.l == 0)
|
if (aux->x_sym.x_tagndx.l == 0)
|
cs->c_naux = 0;
|
cs->c_naux = 0;
|
|
|
/* shift the indices down */
|
/* shift the indices down */
|
dim = &aux->x_sym.x_fcnary.x_ary.x_dimen[0];
|
dim = &aux->x_sym.x_fcnary.x_ary.x_dimen[0];
|
i = 1;
|
i = 1;
|
n = dim[0];
|
n = dim[0];
|
for (i = 0; *dim && i < DIMNUM - 1; i++, dim++)
|
for (i = 0; *dim && i < DIMNUM - 1; i++, dim++)
|
*dim = *(dim + 1);
|
*dim = *(dim + 1);
|
*dim = 0;
|
*dim = 0;
|
|
|
base_type = decode_type (cs, new_c_type, aux);
|
base_type = decode_type (cs, new_c_type, aux);
|
index_type = lookup_fundamental_type (current_objfile, FT_INTEGER);
|
index_type = lookup_fundamental_type (current_objfile, FT_INTEGER);
|
range_type =
|
range_type =
|
create_range_type ((struct type *) NULL, index_type, 0, n - 1);
|
create_range_type ((struct type *) NULL, index_type, 0, n - 1);
|
type =
|
type =
|
create_array_type ((struct type *) NULL, base_type, range_type);
|
create_array_type ((struct type *) NULL, base_type, range_type);
|
}
|
}
|
return type;
|
return type;
|
}
|
}
|
|
|
/* Reference to existing type. This only occurs with the
|
/* Reference to existing type. This only occurs with the
|
struct, union, and enum types. EPI a29k coff
|
struct, union, and enum types. EPI a29k coff
|
fakes us out by producing aux entries with a nonzero
|
fakes us out by producing aux entries with a nonzero
|
x_tagndx for definitions of structs, unions, and enums, so we
|
x_tagndx for definitions of structs, unions, and enums, so we
|
have to check the c_sclass field. SCO 3.2v4 cc gets confused
|
have to check the c_sclass field. SCO 3.2v4 cc gets confused
|
with pointers to pointers to defined structs, and generates
|
with pointers to pointers to defined structs, and generates
|
negative x_tagndx fields. */
|
negative x_tagndx fields. */
|
if (cs->c_naux > 0 && aux->x_sym.x_tagndx.l != 0)
|
if (cs->c_naux > 0 && aux->x_sym.x_tagndx.l != 0)
|
{
|
{
|
if (cs->c_sclass != C_STRTAG
|
if (cs->c_sclass != C_STRTAG
|
&& cs->c_sclass != C_UNTAG
|
&& cs->c_sclass != C_UNTAG
|
&& cs->c_sclass != C_ENTAG
|
&& cs->c_sclass != C_ENTAG
|
&& aux->x_sym.x_tagndx.l >= 0)
|
&& aux->x_sym.x_tagndx.l >= 0)
|
{
|
{
|
type = coff_alloc_type (aux->x_sym.x_tagndx.l);
|
type = coff_alloc_type (aux->x_sym.x_tagndx.l);
|
return type;
|
return type;
|
}
|
}
|
else
|
else
|
{
|
{
|
complain (&tagndx_bad_complaint, cs->c_name);
|
complain (&tagndx_bad_complaint, cs->c_name);
|
/* And fall through to decode_base_type... */
|
/* And fall through to decode_base_type... */
|
}
|
}
|
}
|
}
|
|
|
return decode_base_type (cs, BTYPE (c_type), aux);
|
return decode_base_type (cs, BTYPE (c_type), aux);
|
}
|
}
|
|
|
/* Decode a coff type specifier for function definition;
|
/* Decode a coff type specifier for function definition;
|
return the type that the function returns. */
|
return the type that the function returns. */
|
|
|
static struct type *
|
static struct type *
|
decode_function_type (cs, c_type, aux)
|
decode_function_type (cs, c_type, aux)
|
register struct coff_symbol *cs;
|
register struct coff_symbol *cs;
|
unsigned int c_type;
|
unsigned int c_type;
|
register union internal_auxent *aux;
|
register union internal_auxent *aux;
|
{
|
{
|
if (aux->x_sym.x_tagndx.l == 0)
|
if (aux->x_sym.x_tagndx.l == 0)
|
cs->c_naux = 0; /* auxent refers to function, not base type */
|
cs->c_naux = 0; /* auxent refers to function, not base type */
|
|
|
return decode_type (cs, DECREF (c_type), aux);
|
return decode_type (cs, DECREF (c_type), aux);
|
}
|
}
|
|
|
/* basic C types */
|
/* basic C types */
|
|
|
static struct type *
|
static struct type *
|
decode_base_type (cs, c_type, aux)
|
decode_base_type (cs, c_type, aux)
|
register struct coff_symbol *cs;
|
register struct coff_symbol *cs;
|
unsigned int c_type;
|
unsigned int c_type;
|
register union internal_auxent *aux;
|
register union internal_auxent *aux;
|
{
|
{
|
struct type *type;
|
struct type *type;
|
|
|
switch (c_type)
|
switch (c_type)
|
{
|
{
|
case T_NULL:
|
case T_NULL:
|
/* shows up with "void (*foo)();" structure members */
|
/* shows up with "void (*foo)();" structure members */
|
return lookup_fundamental_type (current_objfile, FT_VOID);
|
return lookup_fundamental_type (current_objfile, FT_VOID);
|
|
|
#if 0
|
#if 0
|
/* DGUX actually defines both T_ARG and T_VOID to the same value. */
|
/* DGUX actually defines both T_ARG and T_VOID to the same value. */
|
#ifdef T_ARG
|
#ifdef T_ARG
|
case T_ARG:
|
case T_ARG:
|
/* Shows up in DGUX, I think. Not sure where. */
|
/* Shows up in DGUX, I think. Not sure where. */
|
return lookup_fundamental_type (current_objfile, FT_VOID); /* shouldn't show up here */
|
return lookup_fundamental_type (current_objfile, FT_VOID); /* shouldn't show up here */
|
#endif
|
#endif
|
#endif /* 0 */
|
#endif /* 0 */
|
|
|
#ifdef T_VOID
|
#ifdef T_VOID
|
case T_VOID:
|
case T_VOID:
|
/* Intel 960 COFF has this symbol and meaning. */
|
/* Intel 960 COFF has this symbol and meaning. */
|
return lookup_fundamental_type (current_objfile, FT_VOID);
|
return lookup_fundamental_type (current_objfile, FT_VOID);
|
#endif
|
#endif
|
|
|
case T_CHAR:
|
case T_CHAR:
|
return lookup_fundamental_type (current_objfile, FT_CHAR);
|
return lookup_fundamental_type (current_objfile, FT_CHAR);
|
|
|
case T_SHORT:
|
case T_SHORT:
|
return lookup_fundamental_type (current_objfile, FT_SHORT);
|
return lookup_fundamental_type (current_objfile, FT_SHORT);
|
|
|
case T_INT:
|
case T_INT:
|
return lookup_fundamental_type (current_objfile, FT_INTEGER);
|
return lookup_fundamental_type (current_objfile, FT_INTEGER);
|
|
|
case T_LONG:
|
case T_LONG:
|
if (cs->c_sclass == C_FIELD
|
if (cs->c_sclass == C_FIELD
|
&& aux->x_sym.x_misc.x_lnsz.x_size > TARGET_LONG_BIT)
|
&& aux->x_sym.x_misc.x_lnsz.x_size > TARGET_LONG_BIT)
|
return lookup_fundamental_type (current_objfile, FT_LONG_LONG);
|
return lookup_fundamental_type (current_objfile, FT_LONG_LONG);
|
else
|
else
|
return lookup_fundamental_type (current_objfile, FT_LONG);
|
return lookup_fundamental_type (current_objfile, FT_LONG);
|
|
|
case T_FLOAT:
|
case T_FLOAT:
|
return lookup_fundamental_type (current_objfile, FT_FLOAT);
|
return lookup_fundamental_type (current_objfile, FT_FLOAT);
|
|
|
case T_DOUBLE:
|
case T_DOUBLE:
|
return lookup_fundamental_type (current_objfile, FT_DBL_PREC_FLOAT);
|
return lookup_fundamental_type (current_objfile, FT_DBL_PREC_FLOAT);
|
|
|
case T_LNGDBL:
|
case T_LNGDBL:
|
return lookup_fundamental_type (current_objfile, FT_EXT_PREC_FLOAT);
|
return lookup_fundamental_type (current_objfile, FT_EXT_PREC_FLOAT);
|
|
|
case T_STRUCT:
|
case T_STRUCT:
|
if (cs->c_naux != 1)
|
if (cs->c_naux != 1)
|
{
|
{
|
/* anonymous structure type */
|
/* anonymous structure type */
|
type = coff_alloc_type (cs->c_symnum);
|
type = coff_alloc_type (cs->c_symnum);
|
TYPE_CODE (type) = TYPE_CODE_STRUCT;
|
TYPE_CODE (type) = TYPE_CODE_STRUCT;
|
TYPE_NAME (type) = NULL;
|
TYPE_NAME (type) = NULL;
|
/* This used to set the tag to "<opaque>". But I think setting it
|
/* This used to set the tag to "<opaque>". But I think setting it
|
to NULL is right, and the printing code can print it as
|
to NULL is right, and the printing code can print it as
|
"struct {...}". */
|
"struct {...}". */
|
TYPE_TAG_NAME (type) = NULL;
|
TYPE_TAG_NAME (type) = NULL;
|
INIT_CPLUS_SPECIFIC (type);
|
INIT_CPLUS_SPECIFIC (type);
|
TYPE_LENGTH (type) = 0;
|
TYPE_LENGTH (type) = 0;
|
TYPE_FIELDS (type) = 0;
|
TYPE_FIELDS (type) = 0;
|
TYPE_NFIELDS (type) = 0;
|
TYPE_NFIELDS (type) = 0;
|
}
|
}
|
else
|
else
|
{
|
{
|
type = coff_read_struct_type (cs->c_symnum,
|
type = coff_read_struct_type (cs->c_symnum,
|
aux->x_sym.x_misc.x_lnsz.x_size,
|
aux->x_sym.x_misc.x_lnsz.x_size,
|
aux->x_sym.x_fcnary.x_fcn.x_endndx.l);
|
aux->x_sym.x_fcnary.x_fcn.x_endndx.l);
|
}
|
}
|
return type;
|
return type;
|
|
|
case T_UNION:
|
case T_UNION:
|
if (cs->c_naux != 1)
|
if (cs->c_naux != 1)
|
{
|
{
|
/* anonymous union type */
|
/* anonymous union type */
|
type = coff_alloc_type (cs->c_symnum);
|
type = coff_alloc_type (cs->c_symnum);
|
TYPE_NAME (type) = NULL;
|
TYPE_NAME (type) = NULL;
|
/* This used to set the tag to "<opaque>". But I think setting it
|
/* This used to set the tag to "<opaque>". But I think setting it
|
to NULL is right, and the printing code can print it as
|
to NULL is right, and the printing code can print it as
|
"union {...}". */
|
"union {...}". */
|
TYPE_TAG_NAME (type) = NULL;
|
TYPE_TAG_NAME (type) = NULL;
|
INIT_CPLUS_SPECIFIC (type);
|
INIT_CPLUS_SPECIFIC (type);
|
TYPE_LENGTH (type) = 0;
|
TYPE_LENGTH (type) = 0;
|
TYPE_FIELDS (type) = 0;
|
TYPE_FIELDS (type) = 0;
|
TYPE_NFIELDS (type) = 0;
|
TYPE_NFIELDS (type) = 0;
|
}
|
}
|
else
|
else
|
{
|
{
|
type = coff_read_struct_type (cs->c_symnum,
|
type = coff_read_struct_type (cs->c_symnum,
|
aux->x_sym.x_misc.x_lnsz.x_size,
|
aux->x_sym.x_misc.x_lnsz.x_size,
|
aux->x_sym.x_fcnary.x_fcn.x_endndx.l);
|
aux->x_sym.x_fcnary.x_fcn.x_endndx.l);
|
}
|
}
|
TYPE_CODE (type) = TYPE_CODE_UNION;
|
TYPE_CODE (type) = TYPE_CODE_UNION;
|
return type;
|
return type;
|
|
|
case T_ENUM:
|
case T_ENUM:
|
if (cs->c_naux != 1)
|
if (cs->c_naux != 1)
|
{
|
{
|
/* anonymous enum type */
|
/* anonymous enum type */
|
type = coff_alloc_type (cs->c_symnum);
|
type = coff_alloc_type (cs->c_symnum);
|
TYPE_CODE (type) = TYPE_CODE_ENUM;
|
TYPE_CODE (type) = TYPE_CODE_ENUM;
|
TYPE_NAME (type) = NULL;
|
TYPE_NAME (type) = NULL;
|
/* This used to set the tag to "<opaque>". But I think setting it
|
/* This used to set the tag to "<opaque>". But I think setting it
|
to NULL is right, and the printing code can print it as
|
to NULL is right, and the printing code can print it as
|
"enum {...}". */
|
"enum {...}". */
|
TYPE_TAG_NAME (type) = NULL;
|
TYPE_TAG_NAME (type) = NULL;
|
TYPE_LENGTH (type) = 0;
|
TYPE_LENGTH (type) = 0;
|
TYPE_FIELDS (type) = 0;
|
TYPE_FIELDS (type) = 0;
|
TYPE_NFIELDS (type) = 0;
|
TYPE_NFIELDS (type) = 0;
|
}
|
}
|
else
|
else
|
{
|
{
|
type = coff_read_enum_type (cs->c_symnum,
|
type = coff_read_enum_type (cs->c_symnum,
|
aux->x_sym.x_misc.x_lnsz.x_size,
|
aux->x_sym.x_misc.x_lnsz.x_size,
|
aux->x_sym.x_fcnary.x_fcn.x_endndx.l);
|
aux->x_sym.x_fcnary.x_fcn.x_endndx.l);
|
}
|
}
|
return type;
|
return type;
|
|
|
case T_MOE:
|
case T_MOE:
|
/* shouldn't show up here */
|
/* shouldn't show up here */
|
break;
|
break;
|
|
|
case T_UCHAR:
|
case T_UCHAR:
|
return lookup_fundamental_type (current_objfile, FT_UNSIGNED_CHAR);
|
return lookup_fundamental_type (current_objfile, FT_UNSIGNED_CHAR);
|
|
|
case T_USHORT:
|
case T_USHORT:
|
return lookup_fundamental_type (current_objfile, FT_UNSIGNED_SHORT);
|
return lookup_fundamental_type (current_objfile, FT_UNSIGNED_SHORT);
|
|
|
case T_UINT:
|
case T_UINT:
|
return lookup_fundamental_type (current_objfile, FT_UNSIGNED_INTEGER);
|
return lookup_fundamental_type (current_objfile, FT_UNSIGNED_INTEGER);
|
|
|
case T_ULONG:
|
case T_ULONG:
|
if (cs->c_sclass == C_FIELD
|
if (cs->c_sclass == C_FIELD
|
&& aux->x_sym.x_misc.x_lnsz.x_size > TARGET_LONG_BIT)
|
&& aux->x_sym.x_misc.x_lnsz.x_size > TARGET_LONG_BIT)
|
return lookup_fundamental_type (current_objfile, FT_UNSIGNED_LONG_LONG);
|
return lookup_fundamental_type (current_objfile, FT_UNSIGNED_LONG_LONG);
|
else
|
else
|
return lookup_fundamental_type (current_objfile, FT_UNSIGNED_LONG);
|
return lookup_fundamental_type (current_objfile, FT_UNSIGNED_LONG);
|
}
|
}
|
complain (&unexpected_type_complaint, cs->c_name);
|
complain (&unexpected_type_complaint, cs->c_name);
|
return lookup_fundamental_type (current_objfile, FT_VOID);
|
return lookup_fundamental_type (current_objfile, FT_VOID);
|
}
|
}
|
|
|
/* This page contains subroutines of read_type. */
|
/* This page contains subroutines of read_type. */
|
|
|
/* Read the description of a structure (or union type) and return an
|
/* Read the description of a structure (or union type) and return an
|
object describing the type. */
|
object describing the type. */
|
|
|
static struct type *
|
static struct type *
|
coff_read_struct_type (index, length, lastsym)
|
coff_read_struct_type (index, length, lastsym)
|
int index;
|
int index;
|
int length;
|
int length;
|
int lastsym;
|
int lastsym;
|
{
|
{
|
struct nextfield
|
struct nextfield
|
{
|
{
|
struct nextfield *next;
|
struct nextfield *next;
|
struct field field;
|
struct field field;
|
};
|
};
|
|
|
register struct type *type;
|
register struct type *type;
|
register struct nextfield *list = 0;
|
register struct nextfield *list = 0;
|
struct nextfield *new;
|
struct nextfield *new;
|
int nfields = 0;
|
int nfields = 0;
|
register int n;
|
register int n;
|
char *name;
|
char *name;
|
struct coff_symbol member_sym;
|
struct coff_symbol member_sym;
|
register struct coff_symbol *ms = &member_sym;
|
register struct coff_symbol *ms = &member_sym;
|
struct internal_syment sub_sym;
|
struct internal_syment sub_sym;
|
union internal_auxent sub_aux;
|
union internal_auxent sub_aux;
|
int done = 0;
|
int done = 0;
|
|
|
type = coff_alloc_type (index);
|
type = coff_alloc_type (index);
|
TYPE_CODE (type) = TYPE_CODE_STRUCT;
|
TYPE_CODE (type) = TYPE_CODE_STRUCT;
|
INIT_CPLUS_SPECIFIC (type);
|
INIT_CPLUS_SPECIFIC (type);
|
TYPE_LENGTH (type) = length;
|
TYPE_LENGTH (type) = length;
|
|
|
while (!done && symnum < lastsym && symnum < nlist_nsyms_global)
|
while (!done && symnum < lastsym && symnum < nlist_nsyms_global)
|
{
|
{
|
read_one_sym (ms, &sub_sym, &sub_aux);
|
read_one_sym (ms, &sub_sym, &sub_aux);
|
name = ms->c_name;
|
name = ms->c_name;
|
name = EXTERNAL_NAME (name, current_objfile->obfd);
|
name = EXTERNAL_NAME (name, current_objfile->obfd);
|
|
|
switch (ms->c_sclass)
|
switch (ms->c_sclass)
|
{
|
{
|
case C_MOS:
|
case C_MOS:
|
case C_MOU:
|
case C_MOU:
|
|
|
/* Get space to record the next field's data. */
|
/* Get space to record the next field's data. */
|
new = (struct nextfield *) alloca (sizeof (struct nextfield));
|
new = (struct nextfield *) alloca (sizeof (struct nextfield));
|
new->next = list;
|
new->next = list;
|
list = new;
|
list = new;
|
|
|
/* Save the data. */
|
/* Save the data. */
|
list->field.name =
|
list->field.name =
|
obsavestring (name,
|
obsavestring (name,
|
strlen (name),
|
strlen (name),
|
¤t_objfile->symbol_obstack);
|
¤t_objfile->symbol_obstack);
|
FIELD_TYPE (list->field) = decode_type (ms, ms->c_type, &sub_aux);
|
FIELD_TYPE (list->field) = decode_type (ms, ms->c_type, &sub_aux);
|
FIELD_BITPOS (list->field) = 8 * ms->c_value;
|
FIELD_BITPOS (list->field) = 8 * ms->c_value;
|
FIELD_BITSIZE (list->field) = 0;
|
FIELD_BITSIZE (list->field) = 0;
|
nfields++;
|
nfields++;
|
break;
|
break;
|
|
|
case C_FIELD:
|
case C_FIELD:
|
|
|
/* Get space to record the next field's data. */
|
/* Get space to record the next field's data. */
|
new = (struct nextfield *) alloca (sizeof (struct nextfield));
|
new = (struct nextfield *) alloca (sizeof (struct nextfield));
|
new->next = list;
|
new->next = list;
|
list = new;
|
list = new;
|
|
|
/* Save the data. */
|
/* Save the data. */
|
list->field.name =
|
list->field.name =
|
obsavestring (name,
|
obsavestring (name,
|
strlen (name),
|
strlen (name),
|
¤t_objfile->symbol_obstack);
|
¤t_objfile->symbol_obstack);
|
FIELD_TYPE (list->field) = decode_type (ms, ms->c_type, &sub_aux);
|
FIELD_TYPE (list->field) = decode_type (ms, ms->c_type, &sub_aux);
|
FIELD_BITPOS (list->field) = ms->c_value;
|
FIELD_BITPOS (list->field) = ms->c_value;
|
FIELD_BITSIZE (list->field) = sub_aux.x_sym.x_misc.x_lnsz.x_size;
|
FIELD_BITSIZE (list->field) = sub_aux.x_sym.x_misc.x_lnsz.x_size;
|
nfields++;
|
nfields++;
|
break;
|
break;
|
|
|
case C_EOS:
|
case C_EOS:
|
done = 1;
|
done = 1;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
/* Now create the vector of fields, and record how big it is. */
|
/* Now create the vector of fields, and record how big it is. */
|
|
|
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);
|
|
|
/* Copy the saved-up fields into the field vector. */
|
/* Copy the saved-up fields into the field vector. */
|
|
|
for (n = nfields; list; list = list->next)
|
for (n = nfields; list; list = list->next)
|
TYPE_FIELD (type, --n) = list->field;
|
TYPE_FIELD (type, --n) = list->field;
|
|
|
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. */
|
|
|
/* ARGSUSED */
|
/* ARGSUSED */
|
static struct type *
|
static struct type *
|
coff_read_enum_type (index, length, lastsym)
|
coff_read_enum_type (index, length, lastsym)
|
int index;
|
int index;
|
int length;
|
int length;
|
int lastsym;
|
int lastsym;
|
{
|
{
|
register struct symbol *sym;
|
register struct symbol *sym;
|
register struct type *type;
|
register struct type *type;
|
int nsyms = 0;
|
int nsyms = 0;
|
int done = 0;
|
int done = 0;
|
struct pending **symlist;
|
struct pending **symlist;
|
struct coff_symbol member_sym;
|
struct coff_symbol member_sym;
|
register struct coff_symbol *ms = &member_sym;
|
register struct coff_symbol *ms = &member_sym;
|
struct internal_syment sub_sym;
|
struct internal_syment sub_sym;
|
union internal_auxent sub_aux;
|
union internal_auxent sub_aux;
|
struct pending *osyms, *syms;
|
struct pending *osyms, *syms;
|
int o_nsyms;
|
int o_nsyms;
|
register int n;
|
register int n;
|
char *name;
|
char *name;
|
int unsigned_enum = 1;
|
int unsigned_enum = 1;
|
|
|
type = coff_alloc_type (index);
|
type = coff_alloc_type (index);
|
if (within_function)
|
if (within_function)
|
symlist = &local_symbols;
|
symlist = &local_symbols;
|
else
|
else
|
symlist = &file_symbols;
|
symlist = &file_symbols;
|
osyms = *symlist;
|
osyms = *symlist;
|
o_nsyms = osyms ? osyms->nsyms : 0;
|
o_nsyms = osyms ? osyms->nsyms : 0;
|
|
|
while (!done && symnum < lastsym && symnum < nlist_nsyms_global)
|
while (!done && symnum < lastsym && symnum < nlist_nsyms_global)
|
{
|
{
|
read_one_sym (ms, &sub_sym, &sub_aux);
|
read_one_sym (ms, &sub_sym, &sub_aux);
|
name = ms->c_name;
|
name = ms->c_name;
|
name = EXTERNAL_NAME (name, current_objfile->obfd);
|
name = EXTERNAL_NAME (name, current_objfile->obfd);
|
|
|
switch (ms->c_sclass)
|
switch (ms->c_sclass)
|
{
|
{
|
case C_MOE:
|
case C_MOE:
|
sym = (struct symbol *) obstack_alloc
|
sym = (struct symbol *) obstack_alloc
|
(¤t_objfile->symbol_obstack,
|
(¤t_objfile->symbol_obstack,
|
sizeof (struct symbol));
|
sizeof (struct symbol));
|
memset (sym, 0, sizeof (struct symbol));
|
memset (sym, 0, sizeof (struct symbol));
|
|
|
SYMBOL_NAME (sym) =
|
SYMBOL_NAME (sym) =
|
obsavestring (name, strlen (name),
|
obsavestring (name, strlen (name),
|
¤t_objfile->symbol_obstack);
|
¤t_objfile->symbol_obstack);
|
SYMBOL_CLASS (sym) = LOC_CONST;
|
SYMBOL_CLASS (sym) = LOC_CONST;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
SYMBOL_VALUE (sym) = ms->c_value;
|
SYMBOL_VALUE (sym) = ms->c_value;
|
add_symbol_to_list (sym, symlist);
|
add_symbol_to_list (sym, symlist);
|
nsyms++;
|
nsyms++;
|
break;
|
break;
|
|
|
case C_EOS:
|
case C_EOS:
|
/* Sometimes the linker (on 386/ix 2.0.2 at least) screws
|
/* Sometimes the linker (on 386/ix 2.0.2 at least) screws
|
up the count of how many symbols to read. So stop
|
up the count of how many symbols to read. So stop
|
on .eos. */
|
on .eos. */
|
done = 1;
|
done = 1;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
/* Now fill in the fields of the type-structure. */
|
/* Now fill in the fields of the type-structure. */
|
|
|
if (length > 0)
|
if (length > 0)
|
TYPE_LENGTH (type) = length;
|
TYPE_LENGTH (type) = length;
|
else
|
else
|
TYPE_LENGTH (type) = TARGET_INT_BIT / TARGET_CHAR_BIT; /* Assume ints */
|
TYPE_LENGTH (type) = TARGET_INT_BIT / TARGET_CHAR_BIT; /* Assume ints */
|
TYPE_CODE (type) = TYPE_CODE_ENUM;
|
TYPE_CODE (type) = TYPE_CODE_ENUM;
|
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);
|
|
|
/* 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 = 0; syms; syms = syms->next)
|
for (syms = *symlist, n = 0; syms; syms = syms->next)
|
{
|
{
|
int j = 0;
|
int j = 0;
|
|
|
if (syms == osyms)
|
if (syms == osyms)
|
j = o_nsyms;
|
j = o_nsyms;
|
for (; j < syms->nsyms; j++, n++)
|
for (; j < syms->nsyms; j++, 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);
|
if (SYMBOL_VALUE (xsym) < 0)
|
if (SYMBOL_VALUE (xsym) < 0)
|
unsigned_enum = 0;
|
unsigned_enum = 0;
|
TYPE_FIELD_BITSIZE (type, n) = 0;
|
TYPE_FIELD_BITSIZE (type, n) = 0;
|
}
|
}
|
if (syms == osyms)
|
if (syms == osyms)
|
break;
|
break;
|
}
|
}
|
|
|
if (unsigned_enum)
|
if (unsigned_enum)
|
TYPE_FLAGS (type) |= TYPE_FLAG_UNSIGNED;
|
TYPE_FLAGS (type) |= TYPE_FLAG_UNSIGNED;
|
|
|
return type;
|
return type;
|
}
|
}
|
|
|
/* Register our ability to parse symbols for coff BFD files. */
|
/* Register our ability to parse symbols for coff BFD files. */
|
|
|
static struct sym_fns coff_sym_fns =
|
static struct sym_fns coff_sym_fns =
|
{
|
{
|
bfd_target_coff_flavour,
|
bfd_target_coff_flavour,
|
coff_new_init, /* sym_new_init: init anything gbl to entire symtab */
|
coff_new_init, /* sym_new_init: init anything gbl to entire symtab */
|
coff_symfile_init, /* sym_init: read initial info, setup for sym_read() */
|
coff_symfile_init, /* sym_init: read initial info, setup for sym_read() */
|
coff_symfile_read, /* sym_read: read a symbol file into symtab */
|
coff_symfile_read, /* sym_read: read a symbol file into symtab */
|
coff_symfile_finish, /* sym_finish: finished with file, cleanup */
|
coff_symfile_finish, /* sym_finish: finished with file, cleanup */
|
default_symfile_offsets, /* sym_offsets: xlate external to internal form */
|
default_symfile_offsets, /* sym_offsets: xlate external to internal form */
|
NULL /* next: pointer to next struct sym_fns */
|
NULL /* next: pointer to next struct sym_fns */
|
};
|
};
|
|
|
void
|
void
|
_initialize_coffread ()
|
_initialize_coffread ()
|
{
|
{
|
add_symtab_fns (&coff_sym_fns);
|
add_symtab_fns (&coff_sym_fns);
|
}
|
}
|
|
|
