/* coff object file format
|
/* coff object file format
|
Copyright 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
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Copyright 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
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1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007
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1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
|
|
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This file is part of GAS.
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This file is part of GAS.
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|
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GAS is free software; you can redistribute it and/or modify
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GAS 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 3, or (at your option)
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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any later version.
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|
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GAS is distributed in the hope that it will be useful,
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GAS 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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|
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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
|
along with GAS; see the file COPYING. If not, write to the Free
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along with GAS; see the file COPYING. If not, write to the Free
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Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
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Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
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02110-1301, USA. */
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02110-1301, USA. */
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|
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#define OBJ_HEADER "obj-coff.h"
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#define OBJ_HEADER "obj-coff.h"
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|
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#include "as.h"
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#include "as.h"
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#include "obstack.h"
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#include "obstack.h"
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#include "subsegs.h"
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#include "subsegs.h"
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|
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#ifdef TE_PE
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#ifdef TE_PE
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#include "coff/pe.h"
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#include "coff/pe.h"
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#endif
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#endif
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|
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#define streq(a,b) (strcmp ((a), (b)) == 0)
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#define streq(a,b) (strcmp ((a), (b)) == 0)
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#define strneq(a,b,n) (strncmp ((a), (b), (n)) == 0)
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#define strneq(a,b,n) (strncmp ((a), (b), (n)) == 0)
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|
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/* I think this is probably always correct. */
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/* I think this is probably always correct. */
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#ifndef KEEP_RELOC_INFO
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#ifndef KEEP_RELOC_INFO
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#define KEEP_RELOC_INFO
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#define KEEP_RELOC_INFO
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#endif
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#endif
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|
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/* obj_coff_section will use this macro to set a new section's
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/* obj_coff_section will use this macro to set a new section's
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attributes when a directive has no valid flags or the "w" flag is
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attributes when a directive has no valid flags or the "w" flag is
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used. This default should be appropriate for most. */
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used. This default should be appropriate for most. */
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#ifndef TC_COFF_SECTION_DEFAULT_ATTRIBUTES
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#ifndef TC_COFF_SECTION_DEFAULT_ATTRIBUTES
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#define TC_COFF_SECTION_DEFAULT_ATTRIBUTES (SEC_LOAD | SEC_DATA)
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#define TC_COFF_SECTION_DEFAULT_ATTRIBUTES (SEC_LOAD | SEC_DATA)
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#endif
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#endif
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|
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/* This is used to hold the symbol built by a sequence of pseudo-ops
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/* This is used to hold the symbol built by a sequence of pseudo-ops
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from .def and .endef. */
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from .def and .endef. */
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static symbolS *def_symbol_in_progress;
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static symbolS *def_symbol_in_progress;
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#ifdef TE_PE
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#ifdef TE_PE
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/* PE weak alternate symbols begin with this string. */
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/* PE weak alternate symbols begin with this string. */
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static const char weak_altprefix[] = ".weak.";
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static const char weak_altprefix[] = ".weak.";
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#endif /* TE_PE */
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#endif /* TE_PE */
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|
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typedef struct
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typedef struct
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{
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{
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unsigned long chunk_size;
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unsigned long chunk_size;
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unsigned long element_size;
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unsigned long element_size;
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unsigned long size;
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unsigned long size;
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char *data;
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char *data;
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unsigned long pointer;
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unsigned long pointer;
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}
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}
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stack;
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stack;
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|
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|
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/* Stack stuff. */
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/* Stack stuff. */
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|
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static stack *
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static stack *
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stack_init (unsigned long chunk_size,
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stack_init (unsigned long chunk_size,
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unsigned long element_size)
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unsigned long element_size)
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{
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{
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stack *st;
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stack *st;
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|
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st = malloc (sizeof (* st));
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st = malloc (sizeof (* st));
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if (!st)
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if (!st)
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return NULL;
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return NULL;
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st->data = malloc (chunk_size);
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st->data = malloc (chunk_size);
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if (!st->data)
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if (!st->data)
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{
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{
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free (st);
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free (st);
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return NULL;
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return NULL;
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}
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}
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st->pointer = 0;
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st->pointer = 0;
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st->size = chunk_size;
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st->size = chunk_size;
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st->chunk_size = chunk_size;
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st->chunk_size = chunk_size;
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st->element_size = element_size;
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st->element_size = element_size;
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return st;
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return st;
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}
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}
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|
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static char *
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static char *
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stack_push (stack *st, char *element)
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stack_push (stack *st, char *element)
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{
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{
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if (st->pointer + st->element_size >= st->size)
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if (st->pointer + st->element_size >= st->size)
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{
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{
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st->size += st->chunk_size;
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st->size += st->chunk_size;
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if ((st->data = xrealloc (st->data, st->size)) == NULL)
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if ((st->data = xrealloc (st->data, st->size)) == NULL)
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return NULL;
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return NULL;
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}
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}
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memcpy (st->data + st->pointer, element, st->element_size);
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memcpy (st->data + st->pointer, element, st->element_size);
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st->pointer += st->element_size;
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st->pointer += st->element_size;
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return st->data + st->pointer;
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return st->data + st->pointer;
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}
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}
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|
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static char *
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static char *
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stack_pop (stack *st)
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stack_pop (stack *st)
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{
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{
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if (st->pointer < st->element_size)
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if (st->pointer < st->element_size)
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{
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{
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st->pointer = 0;
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st->pointer = 0;
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return NULL;
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return NULL;
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}
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}
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st->pointer -= st->element_size;
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st->pointer -= st->element_size;
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return st->data + st->pointer;
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return st->data + st->pointer;
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}
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}
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|
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/* Maintain a list of the tagnames of the structures. */
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/* Maintain a list of the tagnames of the structures. */
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static struct hash_control *tag_hash;
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static struct hash_control *tag_hash;
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static void
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static void
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tag_init (void)
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tag_init (void)
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{
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{
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tag_hash = hash_new ();
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tag_hash = hash_new ();
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}
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}
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|
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static void
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static void
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tag_insert (const char *name, symbolS *symbolP)
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tag_insert (const char *name, symbolS *symbolP)
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{
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{
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const char *error_string;
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const char *error_string;
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|
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if ((error_string = hash_jam (tag_hash, name, (char *) symbolP)))
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if ((error_string = hash_jam (tag_hash, name, (char *) symbolP)))
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as_fatal (_("Inserting \"%s\" into structure table failed: %s"),
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as_fatal (_("Inserting \"%s\" into structure table failed: %s"),
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name, error_string);
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name, error_string);
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}
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}
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static symbolS *
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static symbolS *
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tag_find (char *name)
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tag_find (char *name)
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{
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{
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return (symbolS *) hash_find (tag_hash, name);
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return (symbolS *) hash_find (tag_hash, name);
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}
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}
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static symbolS *
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static symbolS *
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tag_find_or_make (char *name)
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tag_find_or_make (char *name)
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{
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{
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symbolS *symbolP;
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symbolS *symbolP;
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|
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if ((symbolP = tag_find (name)) == NULL)
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if ((symbolP = tag_find (name)) == NULL)
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{
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{
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symbolP = symbol_new (name, undefined_section,
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symbolP = symbol_new (name, undefined_section,
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0, &zero_address_frag);
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0, &zero_address_frag);
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tag_insert (S_GET_NAME (symbolP), symbolP);
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tag_insert (S_GET_NAME (symbolP), symbolP);
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symbol_table_insert (symbolP);
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symbol_table_insert (symbolP);
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}
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}
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return symbolP;
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return symbolP;
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}
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}
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|
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/* We accept the .bss directive to set the section for backward
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/* We accept the .bss directive to set the section for backward
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compatibility with earlier versions of gas. */
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compatibility with earlier versions of gas. */
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|
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static void
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static void
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obj_coff_bss (int ignore ATTRIBUTE_UNUSED)
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obj_coff_bss (int ignore ATTRIBUTE_UNUSED)
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{
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{
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if (*input_line_pointer == '\n')
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if (*input_line_pointer == '\n')
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subseg_new (".bss", get_absolute_expression ());
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subseg_new (".bss", get_absolute_expression ());
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else
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else
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s_lcomm (0);
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s_lcomm (0);
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}
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}
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#define GET_FILENAME_STRING(X) \
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#define GET_FILENAME_STRING(X) \
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((char *) (&((X)->sy_symbol.ost_auxent->x_file.x_n.x_offset))[1])
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((char *) (&((X)->sy_symbol.ost_auxent->x_file.x_n.x_offset))[1])
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/* @@ Ick. */
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/* @@ Ick. */
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static segT
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static segT
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fetch_coff_debug_section (void)
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fetch_coff_debug_section (void)
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{
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{
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static segT debug_section;
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static segT debug_section;
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|
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if (!debug_section)
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if (!debug_section)
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{
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{
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const asymbol *s;
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const asymbol *s;
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|
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s = bfd_make_debug_symbol (stdoutput, NULL, 0);
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s = bfd_make_debug_symbol (stdoutput, NULL, 0);
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assert (s != 0);
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assert (s != 0);
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debug_section = s->section;
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debug_section = s->section;
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}
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}
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return debug_section;
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return debug_section;
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}
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}
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void
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void
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SA_SET_SYM_ENDNDX (symbolS *sym, symbolS *val)
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SA_SET_SYM_ENDNDX (symbolS *sym, symbolS *val)
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{
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{
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combined_entry_type *entry, *p;
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combined_entry_type *entry, *p;
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|
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entry = &coffsymbol (symbol_get_bfdsym (sym))->native[1];
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entry = &coffsymbol (symbol_get_bfdsym (sym))->native[1];
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p = coffsymbol (symbol_get_bfdsym (val))->native;
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p = coffsymbol (symbol_get_bfdsym (val))->native;
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entry->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.p = p;
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entry->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.p = p;
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entry->fix_end = 1;
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entry->fix_end = 1;
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}
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}
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|
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static void
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static void
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SA_SET_SYM_TAGNDX (symbolS *sym, symbolS *val)
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SA_SET_SYM_TAGNDX (symbolS *sym, symbolS *val)
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{
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{
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combined_entry_type *entry, *p;
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combined_entry_type *entry, *p;
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|
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entry = &coffsymbol (symbol_get_bfdsym (sym))->native[1];
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entry = &coffsymbol (symbol_get_bfdsym (sym))->native[1];
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p = coffsymbol (symbol_get_bfdsym (val))->native;
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p = coffsymbol (symbol_get_bfdsym (val))->native;
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entry->u.auxent.x_sym.x_tagndx.p = p;
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entry->u.auxent.x_sym.x_tagndx.p = p;
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entry->fix_tag = 1;
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entry->fix_tag = 1;
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}
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}
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|
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static int
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static int
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S_GET_DATA_TYPE (symbolS *sym)
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S_GET_DATA_TYPE (symbolS *sym)
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{
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{
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return coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_type;
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return coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_type;
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}
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}
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|
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int
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int
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S_SET_DATA_TYPE (symbolS *sym, int val)
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S_SET_DATA_TYPE (symbolS *sym, int val)
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{
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{
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coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_type = val;
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coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_type = val;
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return val;
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return val;
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}
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}
|
|
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int
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int
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S_GET_STORAGE_CLASS (symbolS *sym)
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S_GET_STORAGE_CLASS (symbolS *sym)
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{
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{
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return coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_sclass;
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return coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_sclass;
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}
|
}
|
|
|
int
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int
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S_SET_STORAGE_CLASS (symbolS *sym, int val)
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S_SET_STORAGE_CLASS (symbolS *sym, int val)
|
{
|
{
|
coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_sclass = val;
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coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_sclass = val;
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return val;
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return val;
|
}
|
}
|
|
|
/* Merge a debug symbol containing debug information into a normal symbol. */
|
/* Merge a debug symbol containing debug information into a normal symbol. */
|
|
|
static void
|
static void
|
c_symbol_merge (symbolS *debug, symbolS *normal)
|
c_symbol_merge (symbolS *debug, symbolS *normal)
|
{
|
{
|
S_SET_DATA_TYPE (normal, S_GET_DATA_TYPE (debug));
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S_SET_DATA_TYPE (normal, S_GET_DATA_TYPE (debug));
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S_SET_STORAGE_CLASS (normal, S_GET_STORAGE_CLASS (debug));
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S_SET_STORAGE_CLASS (normal, S_GET_STORAGE_CLASS (debug));
|
|
|
if (S_GET_NUMBER_AUXILIARY (debug) > S_GET_NUMBER_AUXILIARY (normal))
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if (S_GET_NUMBER_AUXILIARY (debug) > S_GET_NUMBER_AUXILIARY (normal))
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/* Take the most we have. */
|
/* Take the most we have. */
|
S_SET_NUMBER_AUXILIARY (normal, S_GET_NUMBER_AUXILIARY (debug));
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S_SET_NUMBER_AUXILIARY (normal, S_GET_NUMBER_AUXILIARY (debug));
|
|
|
if (S_GET_NUMBER_AUXILIARY (debug) > 0)
|
if (S_GET_NUMBER_AUXILIARY (debug) > 0)
|
/* Move all the auxiliary information. */
|
/* Move all the auxiliary information. */
|
memcpy (SYM_AUXINFO (normal), SYM_AUXINFO (debug),
|
memcpy (SYM_AUXINFO (normal), SYM_AUXINFO (debug),
|
(S_GET_NUMBER_AUXILIARY (debug)
|
(S_GET_NUMBER_AUXILIARY (debug)
|
* sizeof (*SYM_AUXINFO (debug))));
|
* sizeof (*SYM_AUXINFO (debug))));
|
|
|
/* Move the debug flags. */
|
/* Move the debug flags. */
|
SF_SET_DEBUG_FIELD (normal, SF_GET_DEBUG_FIELD (debug));
|
SF_SET_DEBUG_FIELD (normal, SF_GET_DEBUG_FIELD (debug));
|
}
|
}
|
|
|
void
|
void
|
c_dot_file_symbol (const char *filename, int appfile ATTRIBUTE_UNUSED)
|
c_dot_file_symbol (const char *filename, int appfile ATTRIBUTE_UNUSED)
|
{
|
{
|
symbolS *symbolP;
|
symbolS *symbolP;
|
|
|
/* BFD converts filename to a .file symbol with an aux entry. It
|
/* BFD converts filename to a .file symbol with an aux entry. It
|
also handles chaining. */
|
also handles chaining. */
|
symbolP = symbol_new (filename, bfd_abs_section_ptr, 0, &zero_address_frag);
|
symbolP = symbol_new (filename, bfd_abs_section_ptr, 0, &zero_address_frag);
|
|
|
S_SET_STORAGE_CLASS (symbolP, C_FILE);
|
S_SET_STORAGE_CLASS (symbolP, C_FILE);
|
S_SET_NUMBER_AUXILIARY (symbolP, 1);
|
S_SET_NUMBER_AUXILIARY (symbolP, 1);
|
|
|
symbol_get_bfdsym (symbolP)->flags = BSF_DEBUGGING;
|
symbol_get_bfdsym (symbolP)->flags = BSF_DEBUGGING;
|
|
|
#ifndef NO_LISTING
|
#ifndef NO_LISTING
|
{
|
{
|
extern int listing;
|
extern int listing;
|
|
|
if (listing)
|
if (listing)
|
listing_source_file (filename);
|
listing_source_file (filename);
|
}
|
}
|
#endif
|
#endif
|
|
|
/* Make sure that the symbol is first on the symbol chain. */
|
/* Make sure that the symbol is first on the symbol chain. */
|
if (symbol_rootP != symbolP)
|
if (symbol_rootP != symbolP)
|
{
|
{
|
symbol_remove (symbolP, &symbol_rootP, &symbol_lastP);
|
symbol_remove (symbolP, &symbol_rootP, &symbol_lastP);
|
symbol_insert (symbolP, symbol_rootP, &symbol_rootP, &symbol_lastP);
|
symbol_insert (symbolP, symbol_rootP, &symbol_rootP, &symbol_lastP);
|
}
|
}
|
}
|
}
|
|
|
/* Line number handling. */
|
/* Line number handling. */
|
|
|
struct line_no
|
struct line_no
|
{
|
{
|
struct line_no *next;
|
struct line_no *next;
|
fragS *frag;
|
fragS *frag;
|
alent l;
|
alent l;
|
};
|
};
|
|
|
int coff_line_base;
|
int coff_line_base;
|
|
|
/* Symbol of last function, which we should hang line#s off of. */
|
/* Symbol of last function, which we should hang line#s off of. */
|
static symbolS *line_fsym;
|
static symbolS *line_fsym;
|
|
|
#define in_function() (line_fsym != 0)
|
#define in_function() (line_fsym != 0)
|
#define clear_function() (line_fsym = 0)
|
#define clear_function() (line_fsym = 0)
|
#define set_function(F) (line_fsym = (F), coff_add_linesym (F))
|
#define set_function(F) (line_fsym = (F), coff_add_linesym (F))
|
|
|
|
|
void
|
void
|
coff_obj_symbol_new_hook (symbolS *symbolP)
|
coff_obj_symbol_new_hook (symbolS *symbolP)
|
{
|
{
|
long sz = (OBJ_COFF_MAX_AUXENTRIES + 1) * sizeof (combined_entry_type);
|
long sz = (OBJ_COFF_MAX_AUXENTRIES + 1) * sizeof (combined_entry_type);
|
char * s = xmalloc (sz);
|
char * s = xmalloc (sz);
|
|
|
memset (s, 0, sz);
|
memset (s, 0, sz);
|
coffsymbol (symbol_get_bfdsym (symbolP))->native = (combined_entry_type *) s;
|
coffsymbol (symbol_get_bfdsym (symbolP))->native = (combined_entry_type *) s;
|
|
|
S_SET_DATA_TYPE (symbolP, T_NULL);
|
S_SET_DATA_TYPE (symbolP, T_NULL);
|
S_SET_STORAGE_CLASS (symbolP, 0);
|
S_SET_STORAGE_CLASS (symbolP, 0);
|
S_SET_NUMBER_AUXILIARY (symbolP, 0);
|
S_SET_NUMBER_AUXILIARY (symbolP, 0);
|
|
|
if (S_IS_STRING (symbolP))
|
if (S_IS_STRING (symbolP))
|
SF_SET_STRING (symbolP);
|
SF_SET_STRING (symbolP);
|
|
|
if (S_IS_LOCAL (symbolP))
|
if (S_IS_LOCAL (symbolP))
|
SF_SET_LOCAL (symbolP);
|
SF_SET_LOCAL (symbolP);
|
}
|
}
|
|
|
void
|
void
|
coff_obj_symbol_clone_hook (symbolS *newsymP, symbolS *orgsymP)
|
coff_obj_symbol_clone_hook (symbolS *newsymP, symbolS *orgsymP)
|
{
|
{
|
long sz = (OBJ_COFF_MAX_AUXENTRIES + 1) * sizeof (combined_entry_type);
|
long sz = (OBJ_COFF_MAX_AUXENTRIES + 1) * sizeof (combined_entry_type);
|
combined_entry_type * s = xmalloc (sz);
|
combined_entry_type * s = xmalloc (sz);
|
|
|
memcpy (s, coffsymbol (symbol_get_bfdsym (orgsymP))->native, sz);
|
memcpy (s, coffsymbol (symbol_get_bfdsym (orgsymP))->native, sz);
|
coffsymbol (symbol_get_bfdsym (newsymP))->native = s;
|
coffsymbol (symbol_get_bfdsym (newsymP))->native = s;
|
|
|
SF_SET (newsymP, SF_GET (orgsymP));
|
SF_SET (newsymP, SF_GET (orgsymP));
|
}
|
}
|
|
|
|
|
/* Handle .ln directives. */
|
/* Handle .ln directives. */
|
|
|
static symbolS *current_lineno_sym;
|
static symbolS *current_lineno_sym;
|
static struct line_no *line_nos;
|
static struct line_no *line_nos;
|
/* FIXME: Blindly assume all .ln directives will be in the .text section. */
|
/* FIXME: Blindly assume all .ln directives will be in the .text section. */
|
int coff_n_line_nos;
|
int coff_n_line_nos;
|
|
|
static void
|
static void
|
add_lineno (fragS * frag, addressT offset, int num)
|
add_lineno (fragS * frag, addressT offset, int num)
|
{
|
{
|
struct line_no * new_line = xmalloc (sizeof (* new_line));
|
struct line_no * new_line = xmalloc (sizeof (* new_line));
|
|
|
if (!current_lineno_sym)
|
if (!current_lineno_sym)
|
abort ();
|
abort ();
|
|
|
#ifndef OBJ_XCOFF
|
#ifndef OBJ_XCOFF
|
/* The native aix assembler accepts negative line number. */
|
/* The native aix assembler accepts negative line number. */
|
|
|
if (num <= 0)
|
if (num <= 0)
|
{
|
{
|
/* Zero is used as an end marker in the file. */
|
/* Zero is used as an end marker in the file. */
|
as_warn (_("Line numbers must be positive integers\n"));
|
as_warn (_("Line numbers must be positive integers\n"));
|
num = 1;
|
num = 1;
|
}
|
}
|
#endif /* OBJ_XCOFF */
|
#endif /* OBJ_XCOFF */
|
new_line->next = line_nos;
|
new_line->next = line_nos;
|
new_line->frag = frag;
|
new_line->frag = frag;
|
new_line->l.line_number = num;
|
new_line->l.line_number = num;
|
new_line->l.u.offset = offset;
|
new_line->l.u.offset = offset;
|
line_nos = new_line;
|
line_nos = new_line;
|
coff_n_line_nos++;
|
coff_n_line_nos++;
|
}
|
}
|
|
|
void
|
void
|
coff_add_linesym (symbolS *sym)
|
coff_add_linesym (symbolS *sym)
|
{
|
{
|
if (line_nos)
|
if (line_nos)
|
{
|
{
|
coffsymbol (symbol_get_bfdsym (current_lineno_sym))->lineno =
|
coffsymbol (symbol_get_bfdsym (current_lineno_sym))->lineno =
|
(alent *) line_nos;
|
(alent *) line_nos;
|
coff_n_line_nos++;
|
coff_n_line_nos++;
|
line_nos = 0;
|
line_nos = 0;
|
}
|
}
|
current_lineno_sym = sym;
|
current_lineno_sym = sym;
|
}
|
}
|
|
|
static void
|
static void
|
obj_coff_ln (int appline)
|
obj_coff_ln (int appline)
|
{
|
{
|
int l;
|
int l;
|
|
|
if (! appline && def_symbol_in_progress != NULL)
|
if (! appline && def_symbol_in_progress != NULL)
|
{
|
{
|
as_warn (_(".ln pseudo-op inside .def/.endef: ignored."));
|
as_warn (_(".ln pseudo-op inside .def/.endef: ignored."));
|
demand_empty_rest_of_line ();
|
demand_empty_rest_of_line ();
|
return;
|
return;
|
}
|
}
|
|
|
l = get_absolute_expression ();
|
l = get_absolute_expression ();
|
|
|
/* If there is no lineno symbol, treat a .ln
|
/* If there is no lineno symbol, treat a .ln
|
directive as if it were a .appline directive. */
|
directive as if it were a .appline directive. */
|
if (appline || current_lineno_sym == NULL)
|
if (appline || current_lineno_sym == NULL)
|
new_logical_line ((char *) NULL, l - 1);
|
new_logical_line ((char *) NULL, l - 1);
|
else
|
else
|
add_lineno (frag_now, frag_now_fix (), l);
|
add_lineno (frag_now, frag_now_fix (), l);
|
|
|
#ifndef NO_LISTING
|
#ifndef NO_LISTING
|
{
|
{
|
extern int listing;
|
extern int listing;
|
|
|
if (listing)
|
if (listing)
|
{
|
{
|
if (! appline)
|
if (! appline)
|
l += coff_line_base - 1;
|
l += coff_line_base - 1;
|
listing_source_line (l);
|
listing_source_line (l);
|
}
|
}
|
}
|
}
|
#endif
|
#endif
|
|
|
demand_empty_rest_of_line ();
|
demand_empty_rest_of_line ();
|
}
|
}
|
|
|
/* .loc is essentially the same as .ln; parse it for assembler
|
/* .loc is essentially the same as .ln; parse it for assembler
|
compatibility. */
|
compatibility. */
|
|
|
static void
|
static void
|
obj_coff_loc (int ignore ATTRIBUTE_UNUSED)
|
obj_coff_loc (int ignore ATTRIBUTE_UNUSED)
|
{
|
{
|
int lineno;
|
int lineno;
|
|
|
/* FIXME: Why do we need this check? We need it for ECOFF, but why
|
/* FIXME: Why do we need this check? We need it for ECOFF, but why
|
do we need it for COFF? */
|
do we need it for COFF? */
|
if (now_seg != text_section)
|
if (now_seg != text_section)
|
{
|
{
|
as_warn (_(".loc outside of .text"));
|
as_warn (_(".loc outside of .text"));
|
demand_empty_rest_of_line ();
|
demand_empty_rest_of_line ();
|
return;
|
return;
|
}
|
}
|
|
|
if (def_symbol_in_progress != NULL)
|
if (def_symbol_in_progress != NULL)
|
{
|
{
|
as_warn (_(".loc pseudo-op inside .def/.endef: ignored."));
|
as_warn (_(".loc pseudo-op inside .def/.endef: ignored."));
|
demand_empty_rest_of_line ();
|
demand_empty_rest_of_line ();
|
return;
|
return;
|
}
|
}
|
|
|
/* Skip the file number. */
|
/* Skip the file number. */
|
SKIP_WHITESPACE ();
|
SKIP_WHITESPACE ();
|
get_absolute_expression ();
|
get_absolute_expression ();
|
SKIP_WHITESPACE ();
|
SKIP_WHITESPACE ();
|
|
|
lineno = get_absolute_expression ();
|
lineno = get_absolute_expression ();
|
|
|
#ifndef NO_LISTING
|
#ifndef NO_LISTING
|
{
|
{
|
extern int listing;
|
extern int listing;
|
|
|
if (listing)
|
if (listing)
|
{
|
{
|
lineno += coff_line_base - 1;
|
lineno += coff_line_base - 1;
|
listing_source_line (lineno);
|
listing_source_line (lineno);
|
}
|
}
|
}
|
}
|
#endif
|
#endif
|
|
|
demand_empty_rest_of_line ();
|
demand_empty_rest_of_line ();
|
|
|
add_lineno (frag_now, frag_now_fix (), lineno);
|
add_lineno (frag_now, frag_now_fix (), lineno);
|
}
|
}
|
|
|
/* Handle the .ident pseudo-op. */
|
/* Handle the .ident pseudo-op. */
|
|
|
static void
|
static void
|
obj_coff_ident (int ignore ATTRIBUTE_UNUSED)
|
obj_coff_ident (int ignore ATTRIBUTE_UNUSED)
|
{
|
{
|
segT current_seg = now_seg;
|
segT current_seg = now_seg;
|
subsegT current_subseg = now_subseg;
|
subsegT current_subseg = now_subseg;
|
|
|
#ifdef TE_PE
|
#ifdef TE_PE
|
{
|
{
|
segT sec;
|
segT sec;
|
|
|
/* We could put it in .comment, but that creates an extra section
|
/* We could put it in .comment, but that creates an extra section
|
that shouldn't be loaded into memory, which requires linker
|
that shouldn't be loaded into memory, which requires linker
|
changes... For now, until proven otherwise, use .rdata. */
|
changes... For now, until proven otherwise, use .rdata. */
|
sec = subseg_new (".rdata$zzz", 0);
|
sec = subseg_new (".rdata$zzz", 0);
|
bfd_set_section_flags (stdoutput, sec,
|
bfd_set_section_flags (stdoutput, sec,
|
((SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA)
|
((SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA)
|
& bfd_applicable_section_flags (stdoutput)));
|
& bfd_applicable_section_flags (stdoutput)));
|
}
|
}
|
#else
|
#else
|
subseg_new (".comment", 0);
|
subseg_new (".comment", 0);
|
#endif
|
#endif
|
|
|
stringer (8 + 1);
|
stringer (8 + 1);
|
subseg_set (current_seg, current_subseg);
|
subseg_set (current_seg, current_subseg);
|
}
|
}
|
|
|
/* Handle .def directives.
|
/* Handle .def directives.
|
|
|
One might ask : why can't we symbol_new if the symbol does not
|
One might ask : why can't we symbol_new if the symbol does not
|
already exist and fill it with debug information. Because of
|
already exist and fill it with debug information. Because of
|
the C_EFCN special symbol. It would clobber the value of the
|
the C_EFCN special symbol. It would clobber the value of the
|
function symbol before we have a chance to notice that it is
|
function symbol before we have a chance to notice that it is
|
a C_EFCN. And a second reason is that the code is more clear this
|
a C_EFCN. And a second reason is that the code is more clear this
|
way. (at least I think it is :-). */
|
way. (at least I think it is :-). */
|
|
|
#define SKIP_SEMI_COLON() while (*input_line_pointer++ != ';')
|
#define SKIP_SEMI_COLON() while (*input_line_pointer++ != ';')
|
#define SKIP_WHITESPACES() while (*input_line_pointer == ' ' || \
|
#define SKIP_WHITESPACES() while (*input_line_pointer == ' ' || \
|
*input_line_pointer == '\t') \
|
*input_line_pointer == '\t') \
|
input_line_pointer++;
|
input_line_pointer++;
|
|
|
static void
|
static void
|
obj_coff_def (int what ATTRIBUTE_UNUSED)
|
obj_coff_def (int what ATTRIBUTE_UNUSED)
|
{
|
{
|
char name_end; /* Char after the end of name. */
|
char name_end; /* Char after the end of name. */
|
char *symbol_name; /* Name of the debug symbol. */
|
char *symbol_name; /* Name of the debug symbol. */
|
char *symbol_name_copy; /* Temporary copy of the name. */
|
char *symbol_name_copy; /* Temporary copy of the name. */
|
unsigned int symbol_name_length;
|
unsigned int symbol_name_length;
|
|
|
if (def_symbol_in_progress != NULL)
|
if (def_symbol_in_progress != NULL)
|
{
|
{
|
as_warn (_(".def pseudo-op used inside of .def/.endef: ignored."));
|
as_warn (_(".def pseudo-op used inside of .def/.endef: ignored."));
|
demand_empty_rest_of_line ();
|
demand_empty_rest_of_line ();
|
return;
|
return;
|
}
|
}
|
|
|
SKIP_WHITESPACES ();
|
SKIP_WHITESPACES ();
|
|
|
symbol_name = input_line_pointer;
|
symbol_name = input_line_pointer;
|
name_end = get_symbol_end ();
|
name_end = get_symbol_end ();
|
symbol_name_length = strlen (symbol_name);
|
symbol_name_length = strlen (symbol_name);
|
symbol_name_copy = xmalloc (symbol_name_length + 1);
|
symbol_name_copy = xmalloc (symbol_name_length + 1);
|
strcpy (symbol_name_copy, symbol_name);
|
strcpy (symbol_name_copy, symbol_name);
|
#ifdef tc_canonicalize_symbol_name
|
#ifdef tc_canonicalize_symbol_name
|
symbol_name_copy = tc_canonicalize_symbol_name (symbol_name_copy);
|
symbol_name_copy = tc_canonicalize_symbol_name (symbol_name_copy);
|
#endif
|
#endif
|
|
|
/* Initialize the new symbol. */
|
/* Initialize the new symbol. */
|
def_symbol_in_progress = symbol_make (symbol_name_copy);
|
def_symbol_in_progress = symbol_make (symbol_name_copy);
|
symbol_set_frag (def_symbol_in_progress, &zero_address_frag);
|
symbol_set_frag (def_symbol_in_progress, &zero_address_frag);
|
S_SET_VALUE (def_symbol_in_progress, 0);
|
S_SET_VALUE (def_symbol_in_progress, 0);
|
|
|
if (S_IS_STRING (def_symbol_in_progress))
|
if (S_IS_STRING (def_symbol_in_progress))
|
SF_SET_STRING (def_symbol_in_progress);
|
SF_SET_STRING (def_symbol_in_progress);
|
|
|
*input_line_pointer = name_end;
|
*input_line_pointer = name_end;
|
|
|
demand_empty_rest_of_line ();
|
demand_empty_rest_of_line ();
|
}
|
}
|
|
|
unsigned int dim_index;
|
unsigned int dim_index;
|
|
|
static void
|
static void
|
obj_coff_endef (int ignore ATTRIBUTE_UNUSED)
|
obj_coff_endef (int ignore ATTRIBUTE_UNUSED)
|
{
|
{
|
symbolS *symbolP = NULL;
|
symbolS *symbolP = NULL;
|
|
|
dim_index = 0;
|
dim_index = 0;
|
if (def_symbol_in_progress == NULL)
|
if (def_symbol_in_progress == NULL)
|
{
|
{
|
as_warn (_(".endef pseudo-op used outside of .def/.endef: ignored."));
|
as_warn (_(".endef pseudo-op used outside of .def/.endef: ignored."));
|
demand_empty_rest_of_line ();
|
demand_empty_rest_of_line ();
|
return;
|
return;
|
}
|
}
|
|
|
/* Set the section number according to storage class. */
|
/* Set the section number according to storage class. */
|
switch (S_GET_STORAGE_CLASS (def_symbol_in_progress))
|
switch (S_GET_STORAGE_CLASS (def_symbol_in_progress))
|
{
|
{
|
case C_STRTAG:
|
case C_STRTAG:
|
case C_ENTAG:
|
case C_ENTAG:
|
case C_UNTAG:
|
case C_UNTAG:
|
SF_SET_TAG (def_symbol_in_progress);
|
SF_SET_TAG (def_symbol_in_progress);
|
/* Fall through. */
|
/* Fall through. */
|
case C_FILE:
|
case C_FILE:
|
case C_TPDEF:
|
case C_TPDEF:
|
SF_SET_DEBUG (def_symbol_in_progress);
|
SF_SET_DEBUG (def_symbol_in_progress);
|
S_SET_SEGMENT (def_symbol_in_progress, fetch_coff_debug_section ());
|
S_SET_SEGMENT (def_symbol_in_progress, fetch_coff_debug_section ());
|
break;
|
break;
|
|
|
case C_EFCN:
|
case C_EFCN:
|
SF_SET_LOCAL (def_symbol_in_progress); /* Do not emit this symbol. */
|
SF_SET_LOCAL (def_symbol_in_progress); /* Do not emit this symbol. */
|
/* Fall through. */
|
/* Fall through. */
|
case C_BLOCK:
|
case C_BLOCK:
|
SF_SET_PROCESS (def_symbol_in_progress); /* Will need processing before writing. */
|
SF_SET_PROCESS (def_symbol_in_progress); /* Will need processing before writing. */
|
/* Fall through. */
|
/* Fall through. */
|
case C_FCN:
|
case C_FCN:
|
{
|
{
|
const char *name;
|
const char *name;
|
|
|
S_SET_SEGMENT (def_symbol_in_progress, text_section);
|
S_SET_SEGMENT (def_symbol_in_progress, text_section);
|
|
|
name = S_GET_NAME (def_symbol_in_progress);
|
name = S_GET_NAME (def_symbol_in_progress);
|
if (name[0] == '.' && name[2] == 'f' && name[3] == '\0')
|
if (name[0] == '.' && name[2] == 'f' && name[3] == '\0')
|
{
|
{
|
switch (name[1])
|
switch (name[1])
|
{
|
{
|
case 'b':
|
case 'b':
|
/* .bf */
|
/* .bf */
|
if (! in_function ())
|
if (! in_function ())
|
as_warn (_("`%s' symbol without preceding function"), name);
|
as_warn (_("`%s' symbol without preceding function"), name);
|
/* Will need relocating. */
|
/* Will need relocating. */
|
SF_SET_PROCESS (def_symbol_in_progress);
|
SF_SET_PROCESS (def_symbol_in_progress);
|
clear_function ();
|
clear_function ();
|
break;
|
break;
|
#ifdef TE_PE
|
#ifdef TE_PE
|
case 'e':
|
case 'e':
|
/* .ef */
|
/* .ef */
|
/* The MS compilers output the actual endline, not the
|
/* The MS compilers output the actual endline, not the
|
function-relative one... we want to match without
|
function-relative one... we want to match without
|
changing the assembler input. */
|
changing the assembler input. */
|
SA_SET_SYM_LNNO (def_symbol_in_progress,
|
SA_SET_SYM_LNNO (def_symbol_in_progress,
|
(SA_GET_SYM_LNNO (def_symbol_in_progress)
|
(SA_GET_SYM_LNNO (def_symbol_in_progress)
|
+ coff_line_base));
|
+ coff_line_base));
|
break;
|
break;
|
#endif
|
#endif
|
}
|
}
|
}
|
}
|
}
|
}
|
break;
|
break;
|
|
|
#ifdef C_AUTOARG
|
#ifdef C_AUTOARG
|
case C_AUTOARG:
|
case C_AUTOARG:
|
#endif /* C_AUTOARG */
|
#endif /* C_AUTOARG */
|
case C_AUTO:
|
case C_AUTO:
|
case C_REG:
|
case C_REG:
|
case C_ARG:
|
case C_ARG:
|
case C_REGPARM:
|
case C_REGPARM:
|
case C_FIELD:
|
case C_FIELD:
|
|
|
/* According to the COFF documentation:
|
/* According to the COFF documentation:
|
|
|
http://osr5doc.sco.com:1996/topics/COFF_SectNumFld.html
|
http://osr5doc.sco.com:1996/topics/COFF_SectNumFld.html
|
|
|
A special section number (-2) marks symbolic debugging symbols,
|
A special section number (-2) marks symbolic debugging symbols,
|
including structure/union/enumeration tag names, typedefs, and
|
including structure/union/enumeration tag names, typedefs, and
|
the name of the file. A section number of -1 indicates that the
|
the name of the file. A section number of -1 indicates that the
|
symbol has a value but is not relocatable. Examples of
|
symbol has a value but is not relocatable. Examples of
|
absolute-valued symbols include automatic and register variables,
|
absolute-valued symbols include automatic and register variables,
|
function arguments, and .eos symbols.
|
function arguments, and .eos symbols.
|
|
|
But from Ian Lance Taylor:
|
But from Ian Lance Taylor:
|
|
|
http://sources.redhat.com/ml/binutils/2000-08/msg00202.html
|
http://sources.redhat.com/ml/binutils/2000-08/msg00202.html
|
|
|
the actual tools all marked them as section -1. So the GNU COFF
|
the actual tools all marked them as section -1. So the GNU COFF
|
assembler follows historical COFF assemblers.
|
assembler follows historical COFF assemblers.
|
|
|
However, it causes problems for djgpp
|
However, it causes problems for djgpp
|
|
|
http://sources.redhat.com/ml/binutils/2000-08/msg00210.html
|
http://sources.redhat.com/ml/binutils/2000-08/msg00210.html
|
|
|
By defining STRICTCOFF, a COFF port can make the assembler to
|
By defining STRICTCOFF, a COFF port can make the assembler to
|
follow the documented behavior. */
|
follow the documented behavior. */
|
#ifdef STRICTCOFF
|
#ifdef STRICTCOFF
|
case C_MOS:
|
case C_MOS:
|
case C_MOE:
|
case C_MOE:
|
case C_MOU:
|
case C_MOU:
|
case C_EOS:
|
case C_EOS:
|
#endif
|
#endif
|
SF_SET_DEBUG (def_symbol_in_progress);
|
SF_SET_DEBUG (def_symbol_in_progress);
|
S_SET_SEGMENT (def_symbol_in_progress, absolute_section);
|
S_SET_SEGMENT (def_symbol_in_progress, absolute_section);
|
break;
|
break;
|
|
|
#ifndef STRICTCOFF
|
#ifndef STRICTCOFF
|
case C_MOS:
|
case C_MOS:
|
case C_MOE:
|
case C_MOE:
|
case C_MOU:
|
case C_MOU:
|
case C_EOS:
|
case C_EOS:
|
S_SET_SEGMENT (def_symbol_in_progress, absolute_section);
|
S_SET_SEGMENT (def_symbol_in_progress, absolute_section);
|
break;
|
break;
|
#endif
|
#endif
|
|
|
case C_EXT:
|
case C_EXT:
|
case C_WEAKEXT:
|
case C_WEAKEXT:
|
#ifdef TE_PE
|
#ifdef TE_PE
|
case C_NT_WEAK:
|
case C_NT_WEAK:
|
#endif
|
#endif
|
case C_STAT:
|
case C_STAT:
|
case C_LABEL:
|
case C_LABEL:
|
/* Valid but set somewhere else (s_comm, s_lcomm, colon). */
|
/* Valid but set somewhere else (s_comm, s_lcomm, colon). */
|
break;
|
break;
|
|
|
default:
|
default:
|
case C_USTATIC:
|
case C_USTATIC:
|
case C_EXTDEF:
|
case C_EXTDEF:
|
case C_ULABEL:
|
case C_ULABEL:
|
as_warn (_("unexpected storage class %d"),
|
as_warn (_("unexpected storage class %d"),
|
S_GET_STORAGE_CLASS (def_symbol_in_progress));
|
S_GET_STORAGE_CLASS (def_symbol_in_progress));
|
break;
|
break;
|
}
|
}
|
|
|
/* Now that we have built a debug symbol, try to find if we should
|
/* Now that we have built a debug symbol, try to find if we should
|
merge with an existing symbol or not. If a symbol is C_EFCN or
|
merge with an existing symbol or not. If a symbol is C_EFCN or
|
absolute_section or untagged SEG_DEBUG it never merges. We also
|
absolute_section or untagged SEG_DEBUG it never merges. We also
|
don't merge labels, which are in a different namespace, nor
|
don't merge labels, which are in a different namespace, nor
|
symbols which have not yet been defined since they are typically
|
symbols which have not yet been defined since they are typically
|
unique, nor do we merge tags with non-tags. */
|
unique, nor do we merge tags with non-tags. */
|
|
|
/* Two cases for functions. Either debug followed by definition or
|
/* Two cases for functions. Either debug followed by definition or
|
definition followed by debug. For definition first, we will
|
definition followed by debug. For definition first, we will
|
merge the debug symbol into the definition. For debug first, the
|
merge the debug symbol into the definition. For debug first, the
|
lineno entry MUST point to the definition function or else it
|
lineno entry MUST point to the definition function or else it
|
will point off into space when obj_crawl_symbol_chain() merges
|
will point off into space when obj_crawl_symbol_chain() merges
|
the debug symbol into the real symbol. Therefor, let's presume
|
the debug symbol into the real symbol. Therefor, let's presume
|
the debug symbol is a real function reference. */
|
the debug symbol is a real function reference. */
|
|
|
/* FIXME-SOON If for some reason the definition label/symbol is
|
/* FIXME-SOON If for some reason the definition label/symbol is
|
never seen, this will probably leave an undefined symbol at link
|
never seen, this will probably leave an undefined symbol at link
|
time. */
|
time. */
|
|
|
if (S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_EFCN
|
if (S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_EFCN
|
|| S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_LABEL
|
|| S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_LABEL
|
|| (streq (bfd_get_section_name (stdoutput,
|
|| (streq (bfd_get_section_name (stdoutput,
|
S_GET_SEGMENT (def_symbol_in_progress)),
|
S_GET_SEGMENT (def_symbol_in_progress)),
|
"*DEBUG*")
|
"*DEBUG*")
|
&& !SF_GET_TAG (def_symbol_in_progress))
|
&& !SF_GET_TAG (def_symbol_in_progress))
|
|| S_GET_SEGMENT (def_symbol_in_progress) == absolute_section
|
|| S_GET_SEGMENT (def_symbol_in_progress) == absolute_section
|
|| ! symbol_constant_p (def_symbol_in_progress)
|
|| ! symbol_constant_p (def_symbol_in_progress)
|
|| (symbolP = symbol_find (S_GET_NAME (def_symbol_in_progress))) == NULL
|
|| (symbolP = symbol_find (S_GET_NAME (def_symbol_in_progress))) == NULL
|
|| SF_GET_TAG (def_symbol_in_progress) != SF_GET_TAG (symbolP))
|
|| SF_GET_TAG (def_symbol_in_progress) != SF_GET_TAG (symbolP))
|
{
|
{
|
/* If it already is at the end of the symbol list, do nothing */
|
/* If it already is at the end of the symbol list, do nothing */
|
if (def_symbol_in_progress != symbol_lastP)
|
if (def_symbol_in_progress != symbol_lastP)
|
{
|
{
|
symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP);
|
symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP);
|
symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP,
|
symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP,
|
&symbol_lastP);
|
&symbol_lastP);
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
/* This symbol already exists, merge the newly created symbol
|
/* This symbol already exists, merge the newly created symbol
|
into the old one. This is not mandatory. The linker can
|
into the old one. This is not mandatory. The linker can
|
handle duplicate symbols correctly. But I guess that it save
|
handle duplicate symbols correctly. But I guess that it save
|
a *lot* of space if the assembly file defines a lot of
|
a *lot* of space if the assembly file defines a lot of
|
symbols. [loic] */
|
symbols. [loic] */
|
|
|
/* The debug entry (def_symbol_in_progress) is merged into the
|
/* The debug entry (def_symbol_in_progress) is merged into the
|
previous definition. */
|
previous definition. */
|
|
|
c_symbol_merge (def_symbol_in_progress, symbolP);
|
c_symbol_merge (def_symbol_in_progress, symbolP);
|
symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP);
|
symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP);
|
|
|
def_symbol_in_progress = symbolP;
|
def_symbol_in_progress = symbolP;
|
|
|
if (SF_GET_FUNCTION (def_symbol_in_progress)
|
if (SF_GET_FUNCTION (def_symbol_in_progress)
|
|| SF_GET_TAG (def_symbol_in_progress)
|
|| SF_GET_TAG (def_symbol_in_progress)
|
|| S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_STAT)
|
|| S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_STAT)
|
{
|
{
|
/* For functions, and tags, and static symbols, the symbol
|
/* For functions, and tags, and static symbols, the symbol
|
*must* be where the debug symbol appears. Move the
|
*must* be where the debug symbol appears. Move the
|
existing symbol to the current place. */
|
existing symbol to the current place. */
|
/* If it already is at the end of the symbol list, do nothing. */
|
/* If it already is at the end of the symbol list, do nothing. */
|
if (def_symbol_in_progress != symbol_lastP)
|
if (def_symbol_in_progress != symbol_lastP)
|
{
|
{
|
symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP);
|
symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP);
|
symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP, &symbol_lastP);
|
symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP, &symbol_lastP);
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
if (SF_GET_TAG (def_symbol_in_progress))
|
if (SF_GET_TAG (def_symbol_in_progress))
|
{
|
{
|
symbolS *oldtag;
|
symbolS *oldtag;
|
|
|
oldtag = symbol_find (S_GET_NAME (def_symbol_in_progress));
|
oldtag = symbol_find (S_GET_NAME (def_symbol_in_progress));
|
if (oldtag == NULL || ! SF_GET_TAG (oldtag))
|
if (oldtag == NULL || ! SF_GET_TAG (oldtag))
|
tag_insert (S_GET_NAME (def_symbol_in_progress),
|
tag_insert (S_GET_NAME (def_symbol_in_progress),
|
def_symbol_in_progress);
|
def_symbol_in_progress);
|
}
|
}
|
|
|
if (SF_GET_FUNCTION (def_symbol_in_progress))
|
if (SF_GET_FUNCTION (def_symbol_in_progress))
|
{
|
{
|
set_function (def_symbol_in_progress);
|
set_function (def_symbol_in_progress);
|
SF_SET_PROCESS (def_symbol_in_progress);
|
SF_SET_PROCESS (def_symbol_in_progress);
|
|
|
if (symbolP == NULL)
|
if (symbolP == NULL)
|
/* That is, if this is the first time we've seen the
|
/* That is, if this is the first time we've seen the
|
function. */
|
function. */
|
symbol_table_insert (def_symbol_in_progress);
|
symbol_table_insert (def_symbol_in_progress);
|
|
|
}
|
}
|
|
|
def_symbol_in_progress = NULL;
|
def_symbol_in_progress = NULL;
|
demand_empty_rest_of_line ();
|
demand_empty_rest_of_line ();
|
}
|
}
|
|
|
static void
|
static void
|
obj_coff_dim (int ignore ATTRIBUTE_UNUSED)
|
obj_coff_dim (int ignore ATTRIBUTE_UNUSED)
|
{
|
{
|
int dim_index;
|
int dim_index;
|
|
|
if (def_symbol_in_progress == NULL)
|
if (def_symbol_in_progress == NULL)
|
{
|
{
|
as_warn (_(".dim pseudo-op used outside of .def/.endef: ignored."));
|
as_warn (_(".dim pseudo-op used outside of .def/.endef: ignored."));
|
demand_empty_rest_of_line ();
|
demand_empty_rest_of_line ();
|
return;
|
return;
|
}
|
}
|
|
|
S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1);
|
S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1);
|
|
|
for (dim_index = 0; dim_index < DIMNUM; dim_index++)
|
for (dim_index = 0; dim_index < DIMNUM; dim_index++)
|
{
|
{
|
SKIP_WHITESPACES ();
|
SKIP_WHITESPACES ();
|
SA_SET_SYM_DIMEN (def_symbol_in_progress, dim_index,
|
SA_SET_SYM_DIMEN (def_symbol_in_progress, dim_index,
|
get_absolute_expression ());
|
get_absolute_expression ());
|
|
|
switch (*input_line_pointer)
|
switch (*input_line_pointer)
|
{
|
{
|
case ',':
|
case ',':
|
input_line_pointer++;
|
input_line_pointer++;
|
break;
|
break;
|
|
|
default:
|
default:
|
as_warn (_("badly formed .dim directive ignored"));
|
as_warn (_("badly formed .dim directive ignored"));
|
/* Fall through. */
|
/* Fall through. */
|
case '\n':
|
case '\n':
|
case ';':
|
case ';':
|
dim_index = DIMNUM;
|
dim_index = DIMNUM;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
demand_empty_rest_of_line ();
|
demand_empty_rest_of_line ();
|
}
|
}
|
|
|
static void
|
static void
|
obj_coff_line (int ignore ATTRIBUTE_UNUSED)
|
obj_coff_line (int ignore ATTRIBUTE_UNUSED)
|
{
|
{
|
int this_base;
|
int this_base;
|
|
|
if (def_symbol_in_progress == NULL)
|
if (def_symbol_in_progress == NULL)
|
{
|
{
|
/* Probably stabs-style line? */
|
/* Probably stabs-style line? */
|
obj_coff_ln (0);
|
obj_coff_ln (0);
|
return;
|
return;
|
}
|
}
|
|
|
this_base = get_absolute_expression ();
|
this_base = get_absolute_expression ();
|
if (streq (".bf", S_GET_NAME (def_symbol_in_progress)))
|
if (streq (".bf", S_GET_NAME (def_symbol_in_progress)))
|
coff_line_base = this_base;
|
coff_line_base = this_base;
|
|
|
S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1);
|
S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1);
|
SA_SET_SYM_LNNO (def_symbol_in_progress, this_base);
|
SA_SET_SYM_LNNO (def_symbol_in_progress, this_base);
|
|
|
demand_empty_rest_of_line ();
|
demand_empty_rest_of_line ();
|
|
|
#ifndef NO_LISTING
|
#ifndef NO_LISTING
|
if (streq (".bf", S_GET_NAME (def_symbol_in_progress)))
|
if (streq (".bf", S_GET_NAME (def_symbol_in_progress)))
|
{
|
{
|
extern int listing;
|
extern int listing;
|
|
|
if (listing)
|
if (listing)
|
listing_source_line ((unsigned int) this_base);
|
listing_source_line ((unsigned int) this_base);
|
}
|
}
|
#endif
|
#endif
|
}
|
}
|
|
|
static void
|
static void
|
obj_coff_size (int ignore ATTRIBUTE_UNUSED)
|
obj_coff_size (int ignore ATTRIBUTE_UNUSED)
|
{
|
{
|
if (def_symbol_in_progress == NULL)
|
if (def_symbol_in_progress == NULL)
|
{
|
{
|
as_warn (_(".size pseudo-op used outside of .def/.endef ignored."));
|
as_warn (_(".size pseudo-op used outside of .def/.endef ignored."));
|
demand_empty_rest_of_line ();
|
demand_empty_rest_of_line ();
|
return;
|
return;
|
}
|
}
|
|
|
S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1);
|
S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1);
|
SA_SET_SYM_SIZE (def_symbol_in_progress, get_absolute_expression ());
|
SA_SET_SYM_SIZE (def_symbol_in_progress, get_absolute_expression ());
|
demand_empty_rest_of_line ();
|
demand_empty_rest_of_line ();
|
}
|
}
|
|
|
static void
|
static void
|
obj_coff_scl (int ignore ATTRIBUTE_UNUSED)
|
obj_coff_scl (int ignore ATTRIBUTE_UNUSED)
|
{
|
{
|
if (def_symbol_in_progress == NULL)
|
if (def_symbol_in_progress == NULL)
|
{
|
{
|
as_warn (_(".scl pseudo-op used outside of .def/.endef ignored."));
|
as_warn (_(".scl pseudo-op used outside of .def/.endef ignored."));
|
demand_empty_rest_of_line ();
|
demand_empty_rest_of_line ();
|
return;
|
return;
|
}
|
}
|
|
|
S_SET_STORAGE_CLASS (def_symbol_in_progress, get_absolute_expression ());
|
S_SET_STORAGE_CLASS (def_symbol_in_progress, get_absolute_expression ());
|
demand_empty_rest_of_line ();
|
demand_empty_rest_of_line ();
|
}
|
}
|
|
|
static void
|
static void
|
obj_coff_tag (int ignore ATTRIBUTE_UNUSED)
|
obj_coff_tag (int ignore ATTRIBUTE_UNUSED)
|
{
|
{
|
char *symbol_name;
|
char *symbol_name;
|
char name_end;
|
char name_end;
|
|
|
if (def_symbol_in_progress == NULL)
|
if (def_symbol_in_progress == NULL)
|
{
|
{
|
as_warn (_(".tag pseudo-op used outside of .def/.endef ignored."));
|
as_warn (_(".tag pseudo-op used outside of .def/.endef ignored."));
|
demand_empty_rest_of_line ();
|
demand_empty_rest_of_line ();
|
return;
|
return;
|
}
|
}
|
|
|
S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1);
|
S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1);
|
symbol_name = input_line_pointer;
|
symbol_name = input_line_pointer;
|
name_end = get_symbol_end ();
|
name_end = get_symbol_end ();
|
|
|
#ifdef tc_canonicalize_symbol_name
|
#ifdef tc_canonicalize_symbol_name
|
symbol_name = tc_canonicalize_symbol_name (symbol_name);
|
symbol_name = tc_canonicalize_symbol_name (symbol_name);
|
#endif
|
#endif
|
|
|
/* Assume that the symbol referred to by .tag is always defined.
|
/* Assume that the symbol referred to by .tag is always defined.
|
This was a bad assumption. I've added find_or_make. xoxorich. */
|
This was a bad assumption. I've added find_or_make. xoxorich. */
|
SA_SET_SYM_TAGNDX (def_symbol_in_progress,
|
SA_SET_SYM_TAGNDX (def_symbol_in_progress,
|
tag_find_or_make (symbol_name));
|
tag_find_or_make (symbol_name));
|
if (SA_GET_SYM_TAGNDX (def_symbol_in_progress) == 0L)
|
if (SA_GET_SYM_TAGNDX (def_symbol_in_progress) == 0L)
|
as_warn (_("tag not found for .tag %s"), symbol_name);
|
as_warn (_("tag not found for .tag %s"), symbol_name);
|
|
|
SF_SET_TAGGED (def_symbol_in_progress);
|
SF_SET_TAGGED (def_symbol_in_progress);
|
*input_line_pointer = name_end;
|
*input_line_pointer = name_end;
|
|
|
demand_empty_rest_of_line ();
|
demand_empty_rest_of_line ();
|
}
|
}
|
|
|
static void
|
static void
|
obj_coff_type (int ignore ATTRIBUTE_UNUSED)
|
obj_coff_type (int ignore ATTRIBUTE_UNUSED)
|
{
|
{
|
if (def_symbol_in_progress == NULL)
|
if (def_symbol_in_progress == NULL)
|
{
|
{
|
as_warn (_(".type pseudo-op used outside of .def/.endef ignored."));
|
as_warn (_(".type pseudo-op used outside of .def/.endef ignored."));
|
demand_empty_rest_of_line ();
|
demand_empty_rest_of_line ();
|
return;
|
return;
|
}
|
}
|
|
|
S_SET_DATA_TYPE (def_symbol_in_progress, get_absolute_expression ());
|
S_SET_DATA_TYPE (def_symbol_in_progress, get_absolute_expression ());
|
|
|
if (ISFCN (S_GET_DATA_TYPE (def_symbol_in_progress)) &&
|
if (ISFCN (S_GET_DATA_TYPE (def_symbol_in_progress)) &&
|
S_GET_STORAGE_CLASS (def_symbol_in_progress) != C_TPDEF)
|
S_GET_STORAGE_CLASS (def_symbol_in_progress) != C_TPDEF)
|
SF_SET_FUNCTION (def_symbol_in_progress);
|
SF_SET_FUNCTION (def_symbol_in_progress);
|
|
|
demand_empty_rest_of_line ();
|
demand_empty_rest_of_line ();
|
}
|
}
|
|
|
static void
|
static void
|
obj_coff_val (int ignore ATTRIBUTE_UNUSED)
|
obj_coff_val (int ignore ATTRIBUTE_UNUSED)
|
{
|
{
|
if (def_symbol_in_progress == NULL)
|
if (def_symbol_in_progress == NULL)
|
{
|
{
|
as_warn (_(".val pseudo-op used outside of .def/.endef ignored."));
|
as_warn (_(".val pseudo-op used outside of .def/.endef ignored."));
|
demand_empty_rest_of_line ();
|
demand_empty_rest_of_line ();
|
return;
|
return;
|
}
|
}
|
|
|
if (is_name_beginner (*input_line_pointer))
|
if (is_name_beginner (*input_line_pointer))
|
{
|
{
|
char *symbol_name = input_line_pointer;
|
char *symbol_name = input_line_pointer;
|
char name_end = get_symbol_end ();
|
char name_end = get_symbol_end ();
|
|
|
#ifdef tc_canonicalize_symbol_name
|
#ifdef tc_canonicalize_symbol_name
|
symbol_name = tc_canonicalize_symbol_name (symbol_name);
|
symbol_name = tc_canonicalize_symbol_name (symbol_name);
|
#endif
|
#endif
|
if (streq (symbol_name, "."))
|
if (streq (symbol_name, "."))
|
{
|
{
|
/* If the .val is != from the .def (e.g. statics). */
|
/* If the .val is != from the .def (e.g. statics). */
|
symbol_set_frag (def_symbol_in_progress, frag_now);
|
symbol_set_frag (def_symbol_in_progress, frag_now);
|
S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ());
|
S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ());
|
}
|
}
|
else if (! streq (S_GET_NAME (def_symbol_in_progress), symbol_name))
|
else if (! streq (S_GET_NAME (def_symbol_in_progress), symbol_name))
|
{
|
{
|
expressionS exp;
|
expressionS exp;
|
|
|
exp.X_op = O_symbol;
|
exp.X_op = O_symbol;
|
exp.X_add_symbol = symbol_find_or_make (symbol_name);
|
exp.X_add_symbol = symbol_find_or_make (symbol_name);
|
exp.X_op_symbol = NULL;
|
exp.X_op_symbol = NULL;
|
exp.X_add_number = 0;
|
exp.X_add_number = 0;
|
symbol_set_value_expression (def_symbol_in_progress, &exp);
|
symbol_set_value_expression (def_symbol_in_progress, &exp);
|
|
|
/* If the segment is undefined when the forward reference is
|
/* If the segment is undefined when the forward reference is
|
resolved, then copy the segment id from the forward
|
resolved, then copy the segment id from the forward
|
symbol. */
|
symbol. */
|
SF_SET_GET_SEGMENT (def_symbol_in_progress);
|
SF_SET_GET_SEGMENT (def_symbol_in_progress);
|
|
|
/* FIXME: gcc can generate address expressions here in
|
/* FIXME: gcc can generate address expressions here in
|
unusual cases (search for "obscure" in sdbout.c). We
|
unusual cases (search for "obscure" in sdbout.c). We
|
just ignore the offset here, thus generating incorrect
|
just ignore the offset here, thus generating incorrect
|
debugging information. We ignore the rest of the line
|
debugging information. We ignore the rest of the line
|
just below. */
|
just below. */
|
}
|
}
|
/* Otherwise, it is the name of a non debug symbol and its value
|
/* Otherwise, it is the name of a non debug symbol and its value
|
will be calculated later. */
|
will be calculated later. */
|
*input_line_pointer = name_end;
|
*input_line_pointer = name_end;
|
}
|
}
|
else
|
else
|
{
|
{
|
S_SET_VALUE (def_symbol_in_progress, get_absolute_expression ());
|
S_SET_VALUE (def_symbol_in_progress, get_absolute_expression ());
|
}
|
}
|
|
|
demand_empty_rest_of_line ();
|
demand_empty_rest_of_line ();
|
}
|
}
|
|
|
#ifdef TE_PE
|
#ifdef TE_PE
|
|
|
/* Return nonzero if name begins with weak alternate symbol prefix. */
|
/* Return nonzero if name begins with weak alternate symbol prefix. */
|
|
|
static int
|
static int
|
weak_is_altname (const char * name)
|
weak_is_altname (const char * name)
|
{
|
{
|
return strneq (name, weak_altprefix, sizeof (weak_altprefix) - 1);
|
return strneq (name, weak_altprefix, sizeof (weak_altprefix) - 1);
|
}
|
}
|
|
|
/* Return the name of the alternate symbol
|
/* Return the name of the alternate symbol
|
name corresponding to a weak symbol's name. */
|
name corresponding to a weak symbol's name. */
|
|
|
static const char *
|
static const char *
|
weak_name2altname (const char * name)
|
weak_name2altname (const char * name)
|
{
|
{
|
char *alt_name;
|
char *alt_name;
|
|
|
alt_name = xmalloc (sizeof (weak_altprefix) + strlen (name));
|
alt_name = xmalloc (sizeof (weak_altprefix) + strlen (name));
|
strcpy (alt_name, weak_altprefix);
|
strcpy (alt_name, weak_altprefix);
|
return strcat (alt_name, name);
|
return strcat (alt_name, name);
|
}
|
}
|
|
|
/* Return the name of the weak symbol corresponding to an
|
/* Return the name of the weak symbol corresponding to an
|
alternate symbol. */
|
alternate symbol. */
|
|
|
static const char *
|
static const char *
|
weak_altname2name (const char * name)
|
weak_altname2name (const char * name)
|
{
|
{
|
char * weak_name;
|
char * weak_name;
|
char * dot;
|
char * dot;
|
|
|
assert (weak_is_altname (name));
|
assert (weak_is_altname (name));
|
|
|
weak_name = xstrdup (name + 6);
|
weak_name = xstrdup (name + 6);
|
if ((dot = strchr (weak_name, '.')))
|
if ((dot = strchr (weak_name, '.')))
|
*dot = 0;
|
*dot = 0;
|
return weak_name;
|
return weak_name;
|
}
|
}
|
|
|
/* Make a weak symbol name unique by
|
/* Make a weak symbol name unique by
|
appending the name of an external symbol. */
|
appending the name of an external symbol. */
|
|
|
static const char *
|
static const char *
|
weak_uniquify (const char * name)
|
weak_uniquify (const char * name)
|
{
|
{
|
char *ret;
|
char *ret;
|
const char * unique = "";
|
const char * unique = "";
|
|
|
#ifdef USE_UNIQUE
|
#ifdef USE_UNIQUE
|
if (an_external_name != NULL)
|
if (an_external_name != NULL)
|
unique = an_external_name;
|
unique = an_external_name;
|
#endif
|
#endif
|
assert (weak_is_altname (name));
|
assert (weak_is_altname (name));
|
|
|
if (strchr (name + sizeof (weak_altprefix), '.'))
|
if (strchr (name + sizeof (weak_altprefix), '.'))
|
return name;
|
return name;
|
|
|
ret = xmalloc (strlen (name) + strlen (unique) + 2);
|
ret = xmalloc (strlen (name) + strlen (unique) + 2);
|
strcpy (ret, name);
|
strcpy (ret, name);
|
strcat (ret, ".");
|
strcat (ret, ".");
|
strcat (ret, unique);
|
strcat (ret, unique);
|
return ret;
|
return ret;
|
}
|
}
|
|
|
void
|
void
|
pecoff_obj_set_weak_hook (symbolS *symbolP)
|
pecoff_obj_set_weak_hook (symbolS *symbolP)
|
{
|
{
|
symbolS *alternateP;
|
symbolS *alternateP;
|
|
|
/* See _Microsoft Portable Executable and Common Object
|
/* See _Microsoft Portable Executable and Common Object
|
File Format Specification_, section 5.5.3.
|
File Format Specification_, section 5.5.3.
|
Create a symbol representing the alternate value.
|
Create a symbol representing the alternate value.
|
coff_frob_symbol will set the value of this symbol from
|
coff_frob_symbol will set the value of this symbol from
|
the value of the weak symbol itself. */
|
the value of the weak symbol itself. */
|
S_SET_STORAGE_CLASS (symbolP, C_NT_WEAK);
|
S_SET_STORAGE_CLASS (symbolP, C_NT_WEAK);
|
S_SET_NUMBER_AUXILIARY (symbolP, 1);
|
S_SET_NUMBER_AUXILIARY (symbolP, 1);
|
SA_SET_SYM_FSIZE (symbolP, IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY);
|
SA_SET_SYM_FSIZE (symbolP, IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY);
|
|
|
alternateP = symbol_find_or_make (weak_name2altname (S_GET_NAME (symbolP)));
|
alternateP = symbol_find_or_make (weak_name2altname (S_GET_NAME (symbolP)));
|
S_SET_EXTERNAL (alternateP);
|
S_SET_EXTERNAL (alternateP);
|
S_SET_STORAGE_CLASS (alternateP, C_NT_WEAK);
|
S_SET_STORAGE_CLASS (alternateP, C_NT_WEAK);
|
|
|
SA_SET_SYM_TAGNDX (symbolP, alternateP);
|
SA_SET_SYM_TAGNDX (symbolP, alternateP);
|
}
|
}
|
|
|
void
|
void
|
pecoff_obj_clear_weak_hook (symbolS *symbolP)
|
pecoff_obj_clear_weak_hook (symbolS *symbolP)
|
{
|
{
|
symbolS *alternateP;
|
symbolS *alternateP;
|
|
|
S_SET_STORAGE_CLASS (symbolP, 0);
|
S_SET_STORAGE_CLASS (symbolP, 0);
|
SA_SET_SYM_FSIZE (symbolP, 0);
|
SA_SET_SYM_FSIZE (symbolP, 0);
|
|
|
alternateP = symbol_find (weak_name2altname (S_GET_NAME (symbolP)));
|
alternateP = symbol_find (weak_name2altname (S_GET_NAME (symbolP)));
|
S_CLEAR_EXTERNAL (alternateP);
|
S_CLEAR_EXTERNAL (alternateP);
|
}
|
}
|
|
|
#endif /* TE_PE */
|
#endif /* TE_PE */
|
|
|
/* Handle .weak. This is a GNU extension in formats other than PE. */
|
/* Handle .weak. This is a GNU extension in formats other than PE. */
|
|
|
static void
|
static void
|
obj_coff_weak (int ignore ATTRIBUTE_UNUSED)
|
obj_coff_weak (int ignore ATTRIBUTE_UNUSED)
|
{
|
{
|
char *name;
|
char *name;
|
int c;
|
int c;
|
symbolS *symbolP;
|
symbolS *symbolP;
|
|
|
do
|
do
|
{
|
{
|
name = input_line_pointer;
|
name = input_line_pointer;
|
c = get_symbol_end ();
|
c = get_symbol_end ();
|
if (*name == 0)
|
if (*name == 0)
|
{
|
{
|
as_warn (_("badly formed .weak directive ignored"));
|
as_warn (_("badly formed .weak directive ignored"));
|
ignore_rest_of_line ();
|
ignore_rest_of_line ();
|
return;
|
return;
|
}
|
}
|
c = 0;
|
c = 0;
|
symbolP = symbol_find_or_make (name);
|
symbolP = symbol_find_or_make (name);
|
*input_line_pointer = c;
|
*input_line_pointer = c;
|
SKIP_WHITESPACE ();
|
SKIP_WHITESPACE ();
|
S_SET_WEAK (symbolP);
|
S_SET_WEAK (symbolP);
|
|
|
if (c == ',')
|
if (c == ',')
|
{
|
{
|
input_line_pointer++;
|
input_line_pointer++;
|
SKIP_WHITESPACE ();
|
SKIP_WHITESPACE ();
|
if (*input_line_pointer == '\n')
|
if (*input_line_pointer == '\n')
|
c = '\n';
|
c = '\n';
|
}
|
}
|
|
|
}
|
}
|
while (c == ',');
|
while (c == ',');
|
|
|
demand_empty_rest_of_line ();
|
demand_empty_rest_of_line ();
|
}
|
}
|
|
|
void
|
void
|
coff_obj_read_begin_hook (void)
|
coff_obj_read_begin_hook (void)
|
{
|
{
|
/* These had better be the same. Usually 18 bytes. */
|
/* These had better be the same. Usually 18 bytes. */
|
know (sizeof (SYMENT) == sizeof (AUXENT));
|
know (sizeof (SYMENT) == sizeof (AUXENT));
|
know (SYMESZ == AUXESZ);
|
know (SYMESZ == AUXESZ);
|
tag_init ();
|
tag_init ();
|
}
|
}
|
|
|
symbolS *coff_last_function;
|
symbolS *coff_last_function;
|
#ifndef OBJ_XCOFF
|
#ifndef OBJ_XCOFF
|
static symbolS *coff_last_bf;
|
static symbolS *coff_last_bf;
|
#endif
|
#endif
|
|
|
void
|
void
|
coff_frob_symbol (symbolS *symp, int *punt)
|
coff_frob_symbol (symbolS *symp, int *punt)
|
{
|
{
|
static symbolS *last_tagP;
|
static symbolS *last_tagP;
|
static stack *block_stack;
|
static stack *block_stack;
|
static symbolS *set_end;
|
static symbolS *set_end;
|
symbolS *next_set_end = NULL;
|
symbolS *next_set_end = NULL;
|
|
|
if (symp == &abs_symbol)
|
if (symp == &abs_symbol)
|
{
|
{
|
*punt = 1;
|
*punt = 1;
|
return;
|
return;
|
}
|
}
|
|
|
if (current_lineno_sym)
|
if (current_lineno_sym)
|
coff_add_linesym (NULL);
|
coff_add_linesym (NULL);
|
|
|
if (!block_stack)
|
if (!block_stack)
|
block_stack = stack_init (512, sizeof (symbolS*));
|
block_stack = stack_init (512, sizeof (symbolS*));
|
|
|
#ifdef TE_PE
|
#ifdef TE_PE
|
if (S_GET_STORAGE_CLASS (symp) == C_NT_WEAK
|
if (S_GET_STORAGE_CLASS (symp) == C_NT_WEAK
|
&& ! S_IS_WEAK (symp)
|
&& ! S_IS_WEAK (symp)
|
&& weak_is_altname (S_GET_NAME (symp)))
|
&& weak_is_altname (S_GET_NAME (symp)))
|
{
|
{
|
/* This is a weak alternate symbol. All processing of
|
/* This is a weak alternate symbol. All processing of
|
PECOFFweak symbols is done here, through the alternate. */
|
PECOFFweak symbols is done here, through the alternate. */
|
symbolS *weakp = symbol_find_noref (weak_altname2name
|
symbolS *weakp = symbol_find_noref (weak_altname2name
|
(S_GET_NAME (symp)), 1);
|
(S_GET_NAME (symp)), 1);
|
|
|
assert (weakp);
|
assert (weakp);
|
assert (S_GET_NUMBER_AUXILIARY (weakp) == 1);
|
assert (S_GET_NUMBER_AUXILIARY (weakp) == 1);
|
|
|
if (! S_IS_WEAK (weakp))
|
if (! S_IS_WEAK (weakp))
|
{
|
{
|
/* The symbol was turned from weak to strong. Discard altname. */
|
/* The symbol was turned from weak to strong. Discard altname. */
|
*punt = 1;
|
*punt = 1;
|
return;
|
return;
|
}
|
}
|
else if (symbol_equated_p (weakp))
|
else if (symbol_equated_p (weakp))
|
{
|
{
|
/* The weak symbol has an alternate specified; symp is unneeded. */
|
/* The weak symbol has an alternate specified; symp is unneeded. */
|
S_SET_STORAGE_CLASS (weakp, C_NT_WEAK);
|
S_SET_STORAGE_CLASS (weakp, C_NT_WEAK);
|
SA_SET_SYM_TAGNDX (weakp,
|
SA_SET_SYM_TAGNDX (weakp,
|
symbol_get_value_expression (weakp)->X_add_symbol);
|
symbol_get_value_expression (weakp)->X_add_symbol);
|
|
|
S_CLEAR_EXTERNAL (symp);
|
S_CLEAR_EXTERNAL (symp);
|
*punt = 1;
|
*punt = 1;
|
return;
|
return;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* The weak symbol has been assigned an alternate value.
|
/* The weak symbol has been assigned an alternate value.
|
Copy this value to symp, and set symp as weakp's alternate. */
|
Copy this value to symp, and set symp as weakp's alternate. */
|
if (S_GET_STORAGE_CLASS (weakp) != C_NT_WEAK)
|
if (S_GET_STORAGE_CLASS (weakp) != C_NT_WEAK)
|
{
|
{
|
S_SET_STORAGE_CLASS (symp, S_GET_STORAGE_CLASS (weakp));
|
S_SET_STORAGE_CLASS (symp, S_GET_STORAGE_CLASS (weakp));
|
S_SET_STORAGE_CLASS (weakp, C_NT_WEAK);
|
S_SET_STORAGE_CLASS (weakp, C_NT_WEAK);
|
}
|
}
|
|
|
if (S_IS_DEFINED (weakp))
|
if (S_IS_DEFINED (weakp))
|
{
|
{
|
/* This is a defined weak symbol. Copy value information
|
/* This is a defined weak symbol. Copy value information
|
from the weak symbol itself to the alternate symbol. */
|
from the weak symbol itself to the alternate symbol. */
|
symbol_set_value_expression (symp,
|
symbol_set_value_expression (symp,
|
symbol_get_value_expression (weakp));
|
symbol_get_value_expression (weakp));
|
symbol_set_frag (symp, symbol_get_frag (weakp));
|
symbol_set_frag (symp, symbol_get_frag (weakp));
|
S_SET_SEGMENT (symp, S_GET_SEGMENT (weakp));
|
S_SET_SEGMENT (symp, S_GET_SEGMENT (weakp));
|
}
|
}
|
else
|
else
|
{
|
{
|
/* This is an undefined weak symbol.
|
/* This is an undefined weak symbol.
|
Define the alternate symbol to zero. */
|
Define the alternate symbol to zero. */
|
S_SET_VALUE (symp, 0);
|
S_SET_VALUE (symp, 0);
|
S_SET_SEGMENT (symp, absolute_section);
|
S_SET_SEGMENT (symp, absolute_section);
|
}
|
}
|
|
|
S_SET_NAME (symp, weak_uniquify (S_GET_NAME (symp)));
|
S_SET_NAME (symp, weak_uniquify (S_GET_NAME (symp)));
|
S_SET_STORAGE_CLASS (symp, C_EXT);
|
S_SET_STORAGE_CLASS (symp, C_EXT);
|
|
|
S_SET_VALUE (weakp, 0);
|
S_SET_VALUE (weakp, 0);
|
S_SET_SEGMENT (weakp, undefined_section);
|
S_SET_SEGMENT (weakp, undefined_section);
|
}
|
}
|
}
|
}
|
#else /* TE_PE */
|
#else /* TE_PE */
|
if (S_IS_WEAK (symp))
|
if (S_IS_WEAK (symp))
|
S_SET_STORAGE_CLASS (symp, C_WEAKEXT);
|
S_SET_STORAGE_CLASS (symp, C_WEAKEXT);
|
#endif /* TE_PE */
|
#endif /* TE_PE */
|
|
|
if (!S_IS_DEFINED (symp)
|
if (!S_IS_DEFINED (symp)
|
&& !S_IS_WEAK (symp)
|
&& !S_IS_WEAK (symp)
|
&& S_GET_STORAGE_CLASS (symp) != C_STAT)
|
&& S_GET_STORAGE_CLASS (symp) != C_STAT)
|
S_SET_STORAGE_CLASS (symp, C_EXT);
|
S_SET_STORAGE_CLASS (symp, C_EXT);
|
|
|
if (!SF_GET_DEBUG (symp))
|
if (!SF_GET_DEBUG (symp))
|
{
|
{
|
symbolS * real;
|
symbolS * real;
|
|
|
if (!SF_GET_LOCAL (symp)
|
if (!SF_GET_LOCAL (symp)
|
&& !SF_GET_STATICS (symp)
|
&& !SF_GET_STATICS (symp)
|
&& S_GET_STORAGE_CLASS (symp) != C_LABEL
|
&& S_GET_STORAGE_CLASS (symp) != C_LABEL
|
&& symbol_constant_p (symp)
|
&& symbol_constant_p (symp)
|
&& (real = symbol_find_noref (S_GET_NAME (symp), 1))
|
&& (real = symbol_find_noref (S_GET_NAME (symp), 1))
|
&& S_GET_STORAGE_CLASS (real) == C_NULL
|
&& S_GET_STORAGE_CLASS (real) == C_NULL
|
&& real != symp)
|
&& real != symp)
|
{
|
{
|
c_symbol_merge (symp, real);
|
c_symbol_merge (symp, real);
|
*punt = 1;
|
*punt = 1;
|
return;
|
return;
|
}
|
}
|
|
|
if (!S_IS_DEFINED (symp) && !SF_GET_LOCAL (symp))
|
if (!S_IS_DEFINED (symp) && !SF_GET_LOCAL (symp))
|
{
|
{
|
assert (S_GET_VALUE (symp) == 0);
|
assert (S_GET_VALUE (symp) == 0);
|
if (S_IS_WEAKREFD (symp))
|
if (S_IS_WEAKREFD (symp))
|
*punt = 1;
|
*punt = 1;
|
else
|
else
|
S_SET_EXTERNAL (symp);
|
S_SET_EXTERNAL (symp);
|
}
|
}
|
else if (S_GET_STORAGE_CLASS (symp) == C_NULL)
|
else if (S_GET_STORAGE_CLASS (symp) == C_NULL)
|
{
|
{
|
if (S_GET_SEGMENT (symp) == text_section
|
if (S_GET_SEGMENT (symp) == text_section
|
&& symp != seg_info (text_section)->sym)
|
&& symp != seg_info (text_section)->sym)
|
S_SET_STORAGE_CLASS (symp, C_LABEL);
|
S_SET_STORAGE_CLASS (symp, C_LABEL);
|
else
|
else
|
S_SET_STORAGE_CLASS (symp, C_STAT);
|
S_SET_STORAGE_CLASS (symp, C_STAT);
|
}
|
}
|
|
|
if (SF_GET_PROCESS (symp))
|
if (SF_GET_PROCESS (symp))
|
{
|
{
|
if (S_GET_STORAGE_CLASS (symp) == C_BLOCK)
|
if (S_GET_STORAGE_CLASS (symp) == C_BLOCK)
|
{
|
{
|
if (streq (S_GET_NAME (symp), ".bb"))
|
if (streq (S_GET_NAME (symp), ".bb"))
|
stack_push (block_stack, (char *) &symp);
|
stack_push (block_stack, (char *) &symp);
|
else
|
else
|
{
|
{
|
symbolS *begin;
|
symbolS *begin;
|
|
|
begin = *(symbolS **) stack_pop (block_stack);
|
begin = *(symbolS **) stack_pop (block_stack);
|
if (begin == 0)
|
if (begin == 0)
|
as_warn (_("mismatched .eb"));
|
as_warn (_("mismatched .eb"));
|
else
|
else
|
next_set_end = begin;
|
next_set_end = begin;
|
}
|
}
|
}
|
}
|
|
|
if (coff_last_function == 0 && SF_GET_FUNCTION (symp))
|
if (coff_last_function == 0 && SF_GET_FUNCTION (symp))
|
{
|
{
|
union internal_auxent *auxp;
|
union internal_auxent *auxp;
|
|
|
coff_last_function = symp;
|
coff_last_function = symp;
|
if (S_GET_NUMBER_AUXILIARY (symp) < 1)
|
if (S_GET_NUMBER_AUXILIARY (symp) < 1)
|
S_SET_NUMBER_AUXILIARY (symp, 1);
|
S_SET_NUMBER_AUXILIARY (symp, 1);
|
auxp = SYM_AUXENT (symp);
|
auxp = SYM_AUXENT (symp);
|
memset (auxp->x_sym.x_fcnary.x_ary.x_dimen, 0,
|
memset (auxp->x_sym.x_fcnary.x_ary.x_dimen, 0,
|
sizeof (auxp->x_sym.x_fcnary.x_ary.x_dimen));
|
sizeof (auxp->x_sym.x_fcnary.x_ary.x_dimen));
|
}
|
}
|
|
|
if (S_GET_STORAGE_CLASS (symp) == C_EFCN)
|
if (S_GET_STORAGE_CLASS (symp) == C_EFCN)
|
{
|
{
|
if (coff_last_function == 0)
|
if (coff_last_function == 0)
|
as_fatal (_("C_EFCN symbol for %s out of scope"),
|
as_fatal (_("C_EFCN symbol for %s out of scope"),
|
S_GET_NAME (symp));
|
S_GET_NAME (symp));
|
SA_SET_SYM_FSIZE (coff_last_function,
|
SA_SET_SYM_FSIZE (coff_last_function,
|
(long) (S_GET_VALUE (symp)
|
(long) (S_GET_VALUE (symp)
|
- S_GET_VALUE (coff_last_function)));
|
- S_GET_VALUE (coff_last_function)));
|
next_set_end = coff_last_function;
|
next_set_end = coff_last_function;
|
coff_last_function = 0;
|
coff_last_function = 0;
|
}
|
}
|
}
|
}
|
|
|
if (S_IS_EXTERNAL (symp))
|
if (S_IS_EXTERNAL (symp))
|
S_SET_STORAGE_CLASS (symp, C_EXT);
|
S_SET_STORAGE_CLASS (symp, C_EXT);
|
else if (SF_GET_LOCAL (symp))
|
else if (SF_GET_LOCAL (symp))
|
*punt = 1;
|
*punt = 1;
|
|
|
if (SF_GET_FUNCTION (symp))
|
if (SF_GET_FUNCTION (symp))
|
symbol_get_bfdsym (symp)->flags |= BSF_FUNCTION;
|
symbol_get_bfdsym (symp)->flags |= BSF_FUNCTION;
|
}
|
}
|
|
|
/* Double check weak symbols. */
|
/* Double check weak symbols. */
|
if (S_IS_WEAK (symp) && S_IS_COMMON (symp))
|
if (S_IS_WEAK (symp) && S_IS_COMMON (symp))
|
as_bad (_("Symbol `%s' can not be both weak and common"),
|
as_bad (_("Symbol `%s' can not be both weak and common"),
|
S_GET_NAME (symp));
|
S_GET_NAME (symp));
|
|
|
if (SF_GET_TAG (symp))
|
if (SF_GET_TAG (symp))
|
last_tagP = symp;
|
last_tagP = symp;
|
else if (S_GET_STORAGE_CLASS (symp) == C_EOS)
|
else if (S_GET_STORAGE_CLASS (symp) == C_EOS)
|
next_set_end = last_tagP;
|
next_set_end = last_tagP;
|
|
|
#ifdef OBJ_XCOFF
|
#ifdef OBJ_XCOFF
|
/* This is pretty horrible, but we have to set *punt correctly in
|
/* This is pretty horrible, but we have to set *punt correctly in
|
order to call SA_SET_SYM_ENDNDX correctly. */
|
order to call SA_SET_SYM_ENDNDX correctly. */
|
if (! symbol_used_in_reloc_p (symp)
|
if (! symbol_used_in_reloc_p (symp)
|
&& ((symbol_get_bfdsym (symp)->flags & BSF_SECTION_SYM) != 0
|
&& ((symbol_get_bfdsym (symp)->flags & BSF_SECTION_SYM) != 0
|
|| (! (S_IS_EXTERNAL (symp) || S_IS_WEAK (symp))
|
|| (! (S_IS_EXTERNAL (symp) || S_IS_WEAK (symp))
|
&& ! symbol_get_tc (symp)->output
|
&& ! symbol_get_tc (symp)->output
|
&& S_GET_STORAGE_CLASS (symp) != C_FILE)))
|
&& S_GET_STORAGE_CLASS (symp) != C_FILE)))
|
*punt = 1;
|
*punt = 1;
|
#endif
|
#endif
|
|
|
if (set_end != (symbolS *) NULL
|
if (set_end != (symbolS *) NULL
|
&& ! *punt
|
&& ! *punt
|
&& ((symbol_get_bfdsym (symp)->flags & BSF_NOT_AT_END) != 0
|
&& ((symbol_get_bfdsym (symp)->flags & BSF_NOT_AT_END) != 0
|
|| (S_IS_DEFINED (symp)
|
|| (S_IS_DEFINED (symp)
|
&& ! S_IS_COMMON (symp)
|
&& ! S_IS_COMMON (symp)
|
&& (! S_IS_EXTERNAL (symp) || SF_GET_FUNCTION (symp)))))
|
&& (! S_IS_EXTERNAL (symp) || SF_GET_FUNCTION (symp)))))
|
{
|
{
|
SA_SET_SYM_ENDNDX (set_end, symp);
|
SA_SET_SYM_ENDNDX (set_end, symp);
|
set_end = NULL;
|
set_end = NULL;
|
}
|
}
|
|
|
if (next_set_end != NULL)
|
if (next_set_end != NULL)
|
{
|
{
|
if (set_end != NULL)
|
if (set_end != NULL)
|
as_warn ("Warning: internal error: forgetting to set endndx of %s",
|
as_warn ("Warning: internal error: forgetting to set endndx of %s",
|
S_GET_NAME (set_end));
|
S_GET_NAME (set_end));
|
set_end = next_set_end;
|
set_end = next_set_end;
|
}
|
}
|
|
|
#ifndef OBJ_XCOFF
|
#ifndef OBJ_XCOFF
|
if (! *punt
|
if (! *punt
|
&& S_GET_STORAGE_CLASS (symp) == C_FCN
|
&& S_GET_STORAGE_CLASS (symp) == C_FCN
|
&& streq (S_GET_NAME (symp), ".bf"))
|
&& streq (S_GET_NAME (symp), ".bf"))
|
{
|
{
|
if (coff_last_bf != NULL)
|
if (coff_last_bf != NULL)
|
SA_SET_SYM_ENDNDX (coff_last_bf, symp);
|
SA_SET_SYM_ENDNDX (coff_last_bf, symp);
|
coff_last_bf = symp;
|
coff_last_bf = symp;
|
}
|
}
|
#endif
|
#endif
|
if (coffsymbol (symbol_get_bfdsym (symp))->lineno)
|
if (coffsymbol (symbol_get_bfdsym (symp))->lineno)
|
{
|
{
|
int i;
|
int i;
|
struct line_no *lptr;
|
struct line_no *lptr;
|
alent *l;
|
alent *l;
|
|
|
lptr = (struct line_no *) coffsymbol (symbol_get_bfdsym (symp))->lineno;
|
lptr = (struct line_no *) coffsymbol (symbol_get_bfdsym (symp))->lineno;
|
for (i = 0; lptr; lptr = lptr->next)
|
for (i = 0; lptr; lptr = lptr->next)
|
i++;
|
i++;
|
lptr = (struct line_no *) coffsymbol (symbol_get_bfdsym (symp))->lineno;
|
lptr = (struct line_no *) coffsymbol (symbol_get_bfdsym (symp))->lineno;
|
|
|
/* We need i entries for line numbers, plus 1 for the first
|
/* We need i entries for line numbers, plus 1 for the first
|
entry which BFD will override, plus 1 for the last zero
|
entry which BFD will override, plus 1 for the last zero
|
entry (a marker for BFD). */
|
entry (a marker for BFD). */
|
l = xmalloc ((i + 2) * sizeof (* l));
|
l = xmalloc ((i + 2) * sizeof (* l));
|
coffsymbol (symbol_get_bfdsym (symp))->lineno = l;
|
coffsymbol (symbol_get_bfdsym (symp))->lineno = l;
|
l[i + 1].line_number = 0;
|
l[i + 1].line_number = 0;
|
l[i + 1].u.sym = NULL;
|
l[i + 1].u.sym = NULL;
|
for (; i > 0; i--)
|
for (; i > 0; i--)
|
{
|
{
|
if (lptr->frag)
|
if (lptr->frag)
|
lptr->l.u.offset += lptr->frag->fr_address / OCTETS_PER_BYTE;
|
lptr->l.u.offset += lptr->frag->fr_address / OCTETS_PER_BYTE;
|
l[i] = lptr->l;
|
l[i] = lptr->l;
|
lptr = lptr->next;
|
lptr = lptr->next;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
void
|
void
|
coff_adjust_section_syms (bfd *abfd ATTRIBUTE_UNUSED,
|
coff_adjust_section_syms (bfd *abfd ATTRIBUTE_UNUSED,
|
asection *sec,
|
asection *sec,
|
void * x ATTRIBUTE_UNUSED)
|
void * x ATTRIBUTE_UNUSED)
|
{
|
{
|
symbolS *secsym;
|
symbolS *secsym;
|
segment_info_type *seginfo = seg_info (sec);
|
segment_info_type *seginfo = seg_info (sec);
|
int nlnno, nrelocs = 0;
|
int nlnno, nrelocs = 0;
|
|
|
/* RS/6000 gas creates a .debug section manually in ppc_frob_file in
|
/* RS/6000 gas creates a .debug section manually in ppc_frob_file in
|
tc-ppc.c. Do not get confused by it. */
|
tc-ppc.c. Do not get confused by it. */
|
if (seginfo == NULL)
|
if (seginfo == NULL)
|
return;
|
return;
|
|
|
if (streq (sec->name, ".text"))
|
if (streq (sec->name, ".text"))
|
nlnno = coff_n_line_nos;
|
nlnno = coff_n_line_nos;
|
else
|
else
|
nlnno = 0;
|
nlnno = 0;
|
{
|
{
|
/* @@ Hope that none of the fixups expand to more than one reloc
|
/* @@ Hope that none of the fixups expand to more than one reloc
|
entry... */
|
entry... */
|
fixS *fixp = seginfo->fix_root;
|
fixS *fixp = seginfo->fix_root;
|
while (fixp)
|
while (fixp)
|
{
|
{
|
if (! fixp->fx_done)
|
if (! fixp->fx_done)
|
nrelocs++;
|
nrelocs++;
|
fixp = fixp->fx_next;
|
fixp = fixp->fx_next;
|
}
|
}
|
}
|
}
|
if (bfd_get_section_size (sec) == 0
|
if (bfd_get_section_size (sec) == 0
|
&& nrelocs == 0
|
&& nrelocs == 0
|
&& nlnno == 0
|
&& nlnno == 0
|
&& sec != text_section
|
&& sec != text_section
|
&& sec != data_section
|
&& sec != data_section
|
&& sec != bss_section)
|
&& sec != bss_section)
|
return;
|
return;
|
|
|
secsym = section_symbol (sec);
|
secsym = section_symbol (sec);
|
/* This is an estimate; we'll plug in the real value using
|
/* This is an estimate; we'll plug in the real value using
|
SET_SECTION_RELOCS later */
|
SET_SECTION_RELOCS later */
|
SA_SET_SCN_NRELOC (secsym, nrelocs);
|
SA_SET_SCN_NRELOC (secsym, nrelocs);
|
SA_SET_SCN_NLINNO (secsym, nlnno);
|
SA_SET_SCN_NLINNO (secsym, nlnno);
|
}
|
}
|
|
|
void
|
void
|
coff_frob_file_after_relocs (void)
|
coff_frob_file_after_relocs (void)
|
{
|
{
|
bfd_map_over_sections (stdoutput, coff_adjust_section_syms, NULL);
|
bfd_map_over_sections (stdoutput, coff_adjust_section_syms, NULL);
|
}
|
}
|
|
|
/* Implement the .section pseudo op:
|
/* Implement the .section pseudo op:
|
.section name {, "flags"}
|
.section name {, "flags"}
|
^ ^
|
^ ^
|
| +--- optional flags: 'b' for bss
|
| +--- optional flags: 'b' for bss
|
| 'i' for info
|
| 'i' for info
|
+-- section name 'l' for lib
|
+-- section name 'l' for lib
|
'n' for noload
|
'n' for noload
|
'o' for over
|
'o' for over
|
'w' for data
|
'w' for data
|
'd' (apparently m88k for data)
|
'd' (apparently m88k for data)
|
'x' for text
|
'x' for text
|
'r' for read-only data
|
'r' for read-only data
|
's' for shared data (PE)
|
's' for shared data (PE)
|
But if the argument is not a quoted string, treat it as a
|
But if the argument is not a quoted string, treat it as a
|
subsegment number.
|
subsegment number.
|
|
|
Note the 'a' flag is silently ignored. This allows the same
|
Note the 'a' flag is silently ignored. This allows the same
|
.section directive to be parsed in both ELF and COFF formats. */
|
.section directive to be parsed in both ELF and COFF formats. */
|
|
|
void
|
void
|
obj_coff_section (int ignore ATTRIBUTE_UNUSED)
|
obj_coff_section (int ignore ATTRIBUTE_UNUSED)
|
{
|
{
|
/* Strip out the section name. */
|
/* Strip out the section name. */
|
char *section_name;
|
char *section_name;
|
char c;
|
char c;
|
char *name;
|
char *name;
|
unsigned int exp;
|
unsigned int exp;
|
flagword flags, oldflags;
|
flagword flags, oldflags;
|
asection *sec;
|
asection *sec;
|
|
|
if (flag_mri)
|
if (flag_mri)
|
{
|
{
|
char type;
|
char type;
|
|
|
s_mri_sect (&type);
|
s_mri_sect (&type);
|
return;
|
return;
|
}
|
}
|
|
|
section_name = input_line_pointer;
|
section_name = input_line_pointer;
|
c = get_symbol_end ();
|
c = get_symbol_end ();
|
|
|
name = xmalloc (input_line_pointer - section_name + 1);
|
name = xmalloc (input_line_pointer - section_name + 1);
|
strcpy (name, section_name);
|
strcpy (name, section_name);
|
|
|
*input_line_pointer = c;
|
*input_line_pointer = c;
|
|
|
SKIP_WHITESPACE ();
|
SKIP_WHITESPACE ();
|
|
|
exp = 0;
|
exp = 0;
|
flags = SEC_NO_FLAGS;
|
flags = SEC_NO_FLAGS;
|
|
|
if (*input_line_pointer == ',')
|
if (*input_line_pointer == ',')
|
{
|
{
|
++input_line_pointer;
|
++input_line_pointer;
|
SKIP_WHITESPACE ();
|
SKIP_WHITESPACE ();
|
if (*input_line_pointer != '"')
|
if (*input_line_pointer != '"')
|
exp = get_absolute_expression ();
|
exp = get_absolute_expression ();
|
else
|
else
|
{
|
{
|
unsigned char attr;
|
unsigned char attr;
|
int readonly_removed = 0;
|
int readonly_removed = 0;
|
int load_removed = 0;
|
int load_removed = 0;
|
|
|
while (attr = *++input_line_pointer,
|
while (attr = *++input_line_pointer,
|
attr != '"'
|
attr != '"'
|
&& ! is_end_of_line[attr])
|
&& ! is_end_of_line[attr])
|
{
|
{
|
switch (attr)
|
switch (attr)
|
{
|
{
|
case 'b':
|
case 'b':
|
/* Uninitialised data section. */
|
/* Uninitialised data section. */
|
flags |= SEC_ALLOC;
|
flags |= SEC_ALLOC;
|
flags &=~ SEC_LOAD;
|
flags &=~ SEC_LOAD;
|
break;
|
break;
|
|
|
case 'n':
|
case 'n':
|
/* Section not loaded. */
|
/* Section not loaded. */
|
flags &=~ SEC_LOAD;
|
flags &=~ SEC_LOAD;
|
flags |= SEC_NEVER_LOAD;
|
flags |= SEC_NEVER_LOAD;
|
load_removed = 1;
|
load_removed = 1;
|
break;
|
break;
|
|
|
case 's':
|
case 's':
|
/* Shared section. */
|
/* Shared section. */
|
flags |= SEC_COFF_SHARED;
|
flags |= SEC_COFF_SHARED;
|
/* Fall through. */
|
/* Fall through. */
|
case 'd':
|
case 'd':
|
/* Data section. */
|
/* Data section. */
|
flags |= SEC_DATA;
|
flags |= SEC_DATA;
|
if (! load_removed)
|
if (! load_removed)
|
flags |= SEC_LOAD;
|
flags |= SEC_LOAD;
|
flags &=~ SEC_READONLY;
|
flags &=~ SEC_READONLY;
|
break;
|
break;
|
|
|
case 'w':
|
case 'w':
|
/* Writable section. */
|
/* Writable section. */
|
flags &=~ SEC_READONLY;
|
flags &=~ SEC_READONLY;
|
readonly_removed = 1;
|
readonly_removed = 1;
|
break;
|
break;
|
|
|
case 'a':
|
case 'a':
|
/* Ignore. Here for compatibility with ELF. */
|
/* Ignore. Here for compatibility with ELF. */
|
break;
|
break;
|
|
|
case 'r': /* Read-only section. Implies a data section. */
|
case 'r': /* Read-only section. Implies a data section. */
|
readonly_removed = 0;
|
readonly_removed = 0;
|
/* Fall through. */
|
/* Fall through. */
|
case 'x': /* Executable section. */
|
case 'x': /* Executable section. */
|
/* If we are setting the 'x' attribute or if the 'r'
|
/* If we are setting the 'x' attribute or if the 'r'
|
attribute is being used to restore the readonly status
|
attribute is being used to restore the readonly status
|
of a code section (eg "wxr") then set the SEC_CODE flag,
|
of a code section (eg "wxr") then set the SEC_CODE flag,
|
otherwise set the SEC_DATA flag. */
|
otherwise set the SEC_DATA flag. */
|
flags |= (attr == 'x' || (flags & SEC_CODE) ? SEC_CODE : SEC_DATA);
|
flags |= (attr == 'x' || (flags & SEC_CODE) ? SEC_CODE : SEC_DATA);
|
if (! load_removed)
|
if (! load_removed)
|
flags |= SEC_LOAD;
|
flags |= SEC_LOAD;
|
/* Note - the READONLY flag is set here, even for the 'x'
|
/* Note - the READONLY flag is set here, even for the 'x'
|
attribute in order to be compatible with the MSVC
|
attribute in order to be compatible with the MSVC
|
linker. */
|
linker. */
|
if (! readonly_removed)
|
if (! readonly_removed)
|
flags |= SEC_READONLY;
|
flags |= SEC_READONLY;
|
break;
|
break;
|
|
|
case 'i': /* STYP_INFO */
|
case 'i': /* STYP_INFO */
|
case 'l': /* STYP_LIB */
|
case 'l': /* STYP_LIB */
|
case 'o': /* STYP_OVER */
|
case 'o': /* STYP_OVER */
|
as_warn (_("unsupported section attribute '%c'"), attr);
|
as_warn (_("unsupported section attribute '%c'"), attr);
|
break;
|
break;
|
|
|
default:
|
default:
|
as_warn (_("unknown section attribute '%c'"), attr);
|
as_warn (_("unknown section attribute '%c'"), attr);
|
break;
|
break;
|
}
|
}
|
}
|
}
|
if (attr == '"')
|
if (attr == '"')
|
++input_line_pointer;
|
++input_line_pointer;
|
}
|
}
|
}
|
}
|
|
|
sec = subseg_new (name, (subsegT) exp);
|
sec = subseg_new (name, (subsegT) exp);
|
|
|
oldflags = bfd_get_section_flags (stdoutput, sec);
|
oldflags = bfd_get_section_flags (stdoutput, sec);
|
if (oldflags == SEC_NO_FLAGS)
|
if (oldflags == SEC_NO_FLAGS)
|
{
|
{
|
/* Set section flags for a new section just created by subseg_new.
|
/* Set section flags for a new section just created by subseg_new.
|
Provide a default if no flags were parsed. */
|
Provide a default if no flags were parsed. */
|
if (flags == SEC_NO_FLAGS)
|
if (flags == SEC_NO_FLAGS)
|
flags = TC_COFF_SECTION_DEFAULT_ATTRIBUTES;
|
flags = TC_COFF_SECTION_DEFAULT_ATTRIBUTES;
|
|
|
#ifdef COFF_LONG_SECTION_NAMES
|
#ifdef COFF_LONG_SECTION_NAMES
|
/* Add SEC_LINK_ONCE and SEC_LINK_DUPLICATES_DISCARD to .gnu.linkonce
|
/* Add SEC_LINK_ONCE and SEC_LINK_DUPLICATES_DISCARD to .gnu.linkonce
|
sections so adjust_reloc_syms in write.c will correctly handle
|
sections so adjust_reloc_syms in write.c will correctly handle
|
relocs which refer to non-local symbols in these sections. */
|
relocs which refer to non-local symbols in these sections. */
|
if (strneq (name, ".gnu.linkonce", sizeof (".gnu.linkonce") - 1))
|
if (strneq (name, ".gnu.linkonce", sizeof (".gnu.linkonce") - 1))
|
flags |= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD;
|
flags |= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD;
|
#endif
|
#endif
|
|
|
if (! bfd_set_section_flags (stdoutput, sec, flags))
|
if (! bfd_set_section_flags (stdoutput, sec, flags))
|
as_warn (_("error setting flags for \"%s\": %s"),
|
as_warn (_("error setting flags for \"%s\": %s"),
|
bfd_section_name (stdoutput, sec),
|
bfd_section_name (stdoutput, sec),
|
bfd_errmsg (bfd_get_error ()));
|
bfd_errmsg (bfd_get_error ()));
|
}
|
}
|
else if (flags != SEC_NO_FLAGS)
|
else if (flags != SEC_NO_FLAGS)
|
{
|
{
|
/* This section's attributes have already been set. Warn if the
|
/* This section's attributes have already been set. Warn if the
|
attributes don't match. */
|
attributes don't match. */
|
flagword matchflags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE
|
flagword matchflags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE
|
| SEC_DATA | SEC_COFF_SHARED | SEC_NEVER_LOAD);
|
| SEC_DATA | SEC_COFF_SHARED | SEC_NEVER_LOAD);
|
if ((flags ^ oldflags) & matchflags)
|
if ((flags ^ oldflags) & matchflags)
|
as_warn (_("Ignoring changed section attributes for %s"), name);
|
as_warn (_("Ignoring changed section attributes for %s"), name);
|
}
|
}
|
|
|
demand_empty_rest_of_line ();
|
demand_empty_rest_of_line ();
|
}
|
}
|
|
|
void
|
void
|
coff_adjust_symtab (void)
|
coff_adjust_symtab (void)
|
{
|
{
|
if (symbol_rootP == NULL
|
if (symbol_rootP == NULL
|
|| S_GET_STORAGE_CLASS (symbol_rootP) != C_FILE)
|
|| S_GET_STORAGE_CLASS (symbol_rootP) != C_FILE)
|
c_dot_file_symbol ("fake", 0);
|
c_dot_file_symbol ("fake", 0);
|
}
|
}
|
|
|
void
|
void
|
coff_frob_section (segT sec)
|
coff_frob_section (segT sec)
|
{
|
{
|
segT strsec;
|
segT strsec;
|
char *p;
|
char *p;
|
fragS *fragp;
|
fragS *fragp;
|
bfd_vma size, n_entries, mask;
|
bfd_vma size, n_entries, mask;
|
bfd_vma align_power = (bfd_vma)sec->alignment_power + OCTETS_PER_BYTE_POWER;
|
bfd_vma align_power = (bfd_vma)sec->alignment_power + OCTETS_PER_BYTE_POWER;
|
|
|
/* The COFF back end in BFD requires that all section sizes be
|
/* The COFF back end in BFD requires that all section sizes be
|
rounded up to multiples of the corresponding section alignments,
|
rounded up to multiples of the corresponding section alignments,
|
supposedly because standard COFF has no other way of encoding alignment
|
supposedly because standard COFF has no other way of encoding alignment
|
for sections. If your COFF flavor has a different way of encoding
|
for sections. If your COFF flavor has a different way of encoding
|
section alignment, then skip this step, as TICOFF does. */
|
section alignment, then skip this step, as TICOFF does. */
|
size = bfd_get_section_size (sec);
|
size = bfd_get_section_size (sec);
|
mask = ((bfd_vma) 1 << align_power) - 1;
|
mask = ((bfd_vma) 1 << align_power) - 1;
|
#if !defined(TICOFF)
|
#if !defined(TICOFF)
|
if (size & mask)
|
if (size & mask)
|
{
|
{
|
bfd_vma new_size;
|
bfd_vma new_size;
|
fragS *last;
|
fragS *last;
|
|
|
new_size = (size + mask) & ~mask;
|
new_size = (size + mask) & ~mask;
|
bfd_set_section_size (stdoutput, sec, new_size);
|
bfd_set_section_size (stdoutput, sec, new_size);
|
|
|
/* If the size had to be rounded up, add some padding in
|
/* If the size had to be rounded up, add some padding in
|
the last non-empty frag. */
|
the last non-empty frag. */
|
fragp = seg_info (sec)->frchainP->frch_root;
|
fragp = seg_info (sec)->frchainP->frch_root;
|
last = seg_info (sec)->frchainP->frch_last;
|
last = seg_info (sec)->frchainP->frch_last;
|
while (fragp->fr_next != last)
|
while (fragp->fr_next != last)
|
fragp = fragp->fr_next;
|
fragp = fragp->fr_next;
|
last->fr_address = size;
|
last->fr_address = size;
|
fragp->fr_offset += new_size - size;
|
fragp->fr_offset += new_size - size;
|
}
|
}
|
#endif
|
#endif
|
|
|
/* If the section size is non-zero, the section symbol needs an aux
|
/* If the section size is non-zero, the section symbol needs an aux
|
entry associated with it, indicating the size. We don't know
|
entry associated with it, indicating the size. We don't know
|
all the values yet; coff_frob_symbol will fill them in later. */
|
all the values yet; coff_frob_symbol will fill them in later. */
|
#ifndef TICOFF
|
#ifndef TICOFF
|
if (size != 0
|
if (size != 0
|
|| sec == text_section
|
|| sec == text_section
|
|| sec == data_section
|
|| sec == data_section
|
|| sec == bss_section)
|
|| sec == bss_section)
|
#endif
|
#endif
|
{
|
{
|
symbolS *secsym = section_symbol (sec);
|
symbolS *secsym = section_symbol (sec);
|
|
|
S_SET_STORAGE_CLASS (secsym, C_STAT);
|
S_SET_STORAGE_CLASS (secsym, C_STAT);
|
S_SET_NUMBER_AUXILIARY (secsym, 1);
|
S_SET_NUMBER_AUXILIARY (secsym, 1);
|
SF_SET_STATICS (secsym);
|
SF_SET_STATICS (secsym);
|
SA_SET_SCN_SCNLEN (secsym, size);
|
SA_SET_SCN_SCNLEN (secsym, size);
|
}
|
}
|
|
|
/* FIXME: These should be in a "stabs.h" file, or maybe as.h. */
|
/* FIXME: These should be in a "stabs.h" file, or maybe as.h. */
|
#ifndef STAB_SECTION_NAME
|
#ifndef STAB_SECTION_NAME
|
#define STAB_SECTION_NAME ".stab"
|
#define STAB_SECTION_NAME ".stab"
|
#endif
|
#endif
|
#ifndef STAB_STRING_SECTION_NAME
|
#ifndef STAB_STRING_SECTION_NAME
|
#define STAB_STRING_SECTION_NAME ".stabstr"
|
#define STAB_STRING_SECTION_NAME ".stabstr"
|
#endif
|
#endif
|
if (! streq (STAB_STRING_SECTION_NAME, sec->name))
|
if (! streq (STAB_STRING_SECTION_NAME, sec->name))
|
return;
|
return;
|
|
|
strsec = sec;
|
strsec = sec;
|
sec = subseg_get (STAB_SECTION_NAME, 0);
|
sec = subseg_get (STAB_SECTION_NAME, 0);
|
/* size is already rounded up, since other section will be listed first */
|
/* size is already rounded up, since other section will be listed first */
|
size = bfd_get_section_size (strsec);
|
size = bfd_get_section_size (strsec);
|
|
|
n_entries = bfd_get_section_size (sec) / 12 - 1;
|
n_entries = bfd_get_section_size (sec) / 12 - 1;
|
|
|
/* Find first non-empty frag. It should be large enough. */
|
/* Find first non-empty frag. It should be large enough. */
|
fragp = seg_info (sec)->frchainP->frch_root;
|
fragp = seg_info (sec)->frchainP->frch_root;
|
while (fragp && fragp->fr_fix == 0)
|
while (fragp && fragp->fr_fix == 0)
|
fragp = fragp->fr_next;
|
fragp = fragp->fr_next;
|
assert (fragp != 0 && fragp->fr_fix >= 12);
|
assert (fragp != 0 && fragp->fr_fix >= 12);
|
|
|
/* Store the values. */
|
/* Store the values. */
|
p = fragp->fr_literal;
|
p = fragp->fr_literal;
|
bfd_h_put_16 (stdoutput, n_entries, (bfd_byte *) p + 6);
|
bfd_h_put_16 (stdoutput, n_entries, (bfd_byte *) p + 6);
|
bfd_h_put_32 (stdoutput, size, (bfd_byte *) p + 8);
|
bfd_h_put_32 (stdoutput, size, (bfd_byte *) p + 8);
|
}
|
}
|
|
|
void
|
void
|
obj_coff_init_stab_section (segT seg)
|
obj_coff_init_stab_section (segT seg)
|
{
|
{
|
char *file;
|
char *file;
|
char *p;
|
char *p;
|
char *stabstr_name;
|
char *stabstr_name;
|
unsigned int stroff;
|
unsigned int stroff;
|
|
|
/* Make space for this first symbol. */
|
/* Make space for this first symbol. */
|
p = frag_more (12);
|
p = frag_more (12);
|
/* Zero it out. */
|
/* Zero it out. */
|
memset (p, 0, 12);
|
memset (p, 0, 12);
|
as_where (&file, (unsigned int *) NULL);
|
as_where (&file, (unsigned int *) NULL);
|
stabstr_name = xmalloc (strlen (seg->name) + 4);
|
stabstr_name = xmalloc (strlen (seg->name) + 4);
|
strcpy (stabstr_name, seg->name);
|
strcpy (stabstr_name, seg->name);
|
strcat (stabstr_name, "str");
|
strcat (stabstr_name, "str");
|
stroff = get_stab_string_offset (file, stabstr_name);
|
stroff = get_stab_string_offset (file, stabstr_name);
|
know (stroff == 1);
|
know (stroff == 1);
|
md_number_to_chars (p, stroff, 4);
|
md_number_to_chars (p, stroff, 4);
|
}
|
}
|
|
|
#ifdef DEBUG
|
#ifdef DEBUG
|
const char *
|
const char *
|
s_get_name (symbolS *s)
|
s_get_name (symbolS *s)
|
{
|
{
|
return ((s == NULL) ? "(NULL)" : S_GET_NAME (s));
|
return ((s == NULL) ? "(NULL)" : S_GET_NAME (s));
|
}
|
}
|
|
|
void
|
void
|
symbol_dump (void)
|
symbol_dump (void)
|
{
|
{
|
symbolS *symbolP;
|
symbolS *symbolP;
|
|
|
for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP))
|
for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP))
|
printf (_("0x%lx: \"%s\" type = %ld, class = %d, segment = %d\n"),
|
printf (_("0x%lx: \"%s\" type = %ld, class = %d, segment = %d\n"),
|
(unsigned long) symbolP,
|
(unsigned long) symbolP,
|
S_GET_NAME (symbolP),
|
S_GET_NAME (symbolP),
|
(long) S_GET_DATA_TYPE (symbolP),
|
(long) S_GET_DATA_TYPE (symbolP),
|
S_GET_STORAGE_CLASS (symbolP),
|
S_GET_STORAGE_CLASS (symbolP),
|
(int) S_GET_SEGMENT (symbolP));
|
(int) S_GET_SEGMENT (symbolP));
|
}
|
}
|
|
|
#endif /* DEBUG */
|
#endif /* DEBUG */
|
|
|
const pseudo_typeS coff_pseudo_table[] =
|
const pseudo_typeS coff_pseudo_table[] =
|
{
|
{
|
{"ABORT", s_abort, 0},
|
{"ABORT", s_abort, 0},
|
{"appline", obj_coff_ln, 1},
|
{"appline", obj_coff_ln, 1},
|
/* We accept the .bss directive for backward compatibility with
|
/* We accept the .bss directive for backward compatibility with
|
earlier versions of gas. */
|
earlier versions of gas. */
|
{"bss", obj_coff_bss, 0},
|
{"bss", obj_coff_bss, 0},
|
{"def", obj_coff_def, 0},
|
{"def", obj_coff_def, 0},
|
{"dim", obj_coff_dim, 0},
|
{"dim", obj_coff_dim, 0},
|
{"endef", obj_coff_endef, 0},
|
{"endef", obj_coff_endef, 0},
|
{"ident", obj_coff_ident, 0},
|
{"ident", obj_coff_ident, 0},
|
{"line", obj_coff_line, 0},
|
{"line", obj_coff_line, 0},
|
{"ln", obj_coff_ln, 0},
|
{"ln", obj_coff_ln, 0},
|
{"scl", obj_coff_scl, 0},
|
{"scl", obj_coff_scl, 0},
|
{"sect", obj_coff_section, 0},
|
{"sect", obj_coff_section, 0},
|
{"sect.s", obj_coff_section, 0},
|
{"sect.s", obj_coff_section, 0},
|
{"section", obj_coff_section, 0},
|
{"section", obj_coff_section, 0},
|
{"section.s", obj_coff_section, 0},
|
{"section.s", obj_coff_section, 0},
|
/* FIXME: We ignore the MRI short attribute. */
|
/* FIXME: We ignore the MRI short attribute. */
|
{"size", obj_coff_size, 0},
|
{"size", obj_coff_size, 0},
|
{"tag", obj_coff_tag, 0},
|
{"tag", obj_coff_tag, 0},
|
{"type", obj_coff_type, 0},
|
{"type", obj_coff_type, 0},
|
{"val", obj_coff_val, 0},
|
{"val", obj_coff_val, 0},
|
{"version", s_ignore, 0},
|
{"version", s_ignore, 0},
|
{"loc", obj_coff_loc, 0},
|
{"loc", obj_coff_loc, 0},
|
{"optim", s_ignore, 0}, /* For sun386i cc (?) */
|
{"optim", s_ignore, 0}, /* For sun386i cc (?) */
|
{"weak", obj_coff_weak, 0},
|
{"weak", obj_coff_weak, 0},
|
#if defined TC_TIC4X
|
#if defined TC_TIC4X
|
/* The tic4x uses sdef instead of def. */
|
/* The tic4x uses sdef instead of def. */
|
{"sdef", obj_coff_def, 0},
|
{"sdef", obj_coff_def, 0},
|
#endif
|
#endif
|
{NULL, NULL, 0}
|
{NULL, NULL, 0}
|
};
|
};
|
|
|
|
|
/* Support for a COFF emulation. */
|
/* Support for a COFF emulation. */
|
|
|
static void
|
static void
|
coff_pop_insert (void)
|
coff_pop_insert (void)
|
{
|
{
|
pop_insert (coff_pseudo_table);
|
pop_insert (coff_pseudo_table);
|
}
|
}
|
|
|
static int
|
static int
|
coff_separate_stab_sections (void)
|
coff_separate_stab_sections (void)
|
{
|
{
|
return 1;
|
return 1;
|
}
|
}
|
|
|
const struct format_ops coff_format_ops =
|
const struct format_ops coff_format_ops =
|
{
|
{
|
bfd_target_coff_flavour,
|
bfd_target_coff_flavour,
|
0, /* dfl_leading_underscore */
|
0, /* dfl_leading_underscore */
|
1, /* emit_section_symbols */
|
1, /* emit_section_symbols */
|
0, /* begin */
|
0, /* begin */
|
c_dot_file_symbol,
|
c_dot_file_symbol,
|
coff_frob_symbol,
|
coff_frob_symbol,
|
0, /* frob_file */
|
0, /* frob_file */
|
0, /* frob_file_before_adjust */
|
0, /* frob_file_before_adjust */
|
0, /* frob_file_before_fix */
|
0, /* frob_file_before_fix */
|
coff_frob_file_after_relocs,
|
coff_frob_file_after_relocs,
|
0, /* s_get_size */
|
0, /* s_get_size */
|
0, /* s_set_size */
|
0, /* s_set_size */
|
0, /* s_get_align */
|
0, /* s_get_align */
|
0, /* s_set_align */
|
0, /* s_set_align */
|
0, /* s_get_other */
|
0, /* s_get_other */
|
0, /* s_set_other */
|
0, /* s_set_other */
|
0, /* s_get_desc */
|
0, /* s_get_desc */
|
0, /* s_set_desc */
|
0, /* s_set_desc */
|
0, /* s_get_type */
|
0, /* s_get_type */
|
0, /* s_set_type */
|
0, /* s_set_type */
|
0, /* copy_symbol_attributes */
|
0, /* copy_symbol_attributes */
|
0, /* generate_asm_lineno */
|
0, /* generate_asm_lineno */
|
0, /* process_stab */
|
0, /* process_stab */
|
coff_separate_stab_sections,
|
coff_separate_stab_sections,
|
obj_coff_init_stab_section,
|
obj_coff_init_stab_section,
|
0, /* sec_sym_ok_for_reloc */
|
0, /* sec_sym_ok_for_reloc */
|
coff_pop_insert,
|
coff_pop_insert,
|
0, /* ecoff_set_ext */
|
0, /* ecoff_set_ext */
|
coff_obj_read_begin_hook,
|
coff_obj_read_begin_hook,
|
coff_obj_symbol_new_hook
|
coff_obj_symbol_new_hook
|
};
|
};
|
|
|
