/* Support for the generic parts of COFF, for BFD.
- Copyright 1990, 91, 92, 93, 94, 1995 Free Software Foundation, Inc.
+ Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+ 2000, 2001, 2002, 2003, 2004
+ Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* Most of this hacked by Steve Chamberlain, sac@cygnus.com.
Split out of coffcode.h by Ian Taylor, ian@cygnus.com. */
#include "coff/internal.h"
#include "libcoff.h"
-static boolean coff_write_symbol PARAMS ((bfd *, asymbol *,
- combined_entry_type *,
- unsigned int *));
-static boolean coff_write_alien_symbol PARAMS ((bfd *, asymbol *,
- unsigned int *));
-static boolean coff_write_native_symbol PARAMS ((bfd *, coff_symbol_type *,
- unsigned int *));
+static void coff_fix_symbol_name
+ PARAMS ((bfd *, asymbol *, combined_entry_type *, bfd_size_type *,
+ asection **, bfd_size_type *));
+static bfd_boolean coff_write_symbol
+ PARAMS ((bfd *, asymbol *, combined_entry_type *, bfd_vma *,
+ bfd_size_type *, asection **, bfd_size_type *));
+static bfd_boolean coff_write_alien_symbol
+ PARAMS ((bfd *, asymbol *, bfd_vma *, bfd_size_type *,
+ asection **, bfd_size_type *));
+static bfd_boolean coff_write_native_symbol
+ PARAMS ((bfd *, coff_symbol_type *, bfd_vma *, bfd_size_type *,
+ asection **, bfd_size_type *));
+static void coff_pointerize_aux
+ PARAMS ((bfd *, combined_entry_type *, combined_entry_type *,
+ unsigned int, combined_entry_type *));
+static bfd_boolean make_a_section_from_file
+ PARAMS ((bfd *, struct internal_scnhdr *, unsigned int));
+static const bfd_target *coff_real_object_p
+ PARAMS ((bfd *, unsigned, struct internal_filehdr *,
+ struct internal_aouthdr *));
+static void fixup_symbol_value
+ PARAMS ((bfd *, coff_symbol_type *, struct internal_syment *));
+static char *build_debug_section
+ PARAMS ((bfd *));
+static char *copy_name
+ PARAMS ((bfd *, char *, size_t));
#define STRING_SIZE_SIZE (4)
/* Take a section header read from a coff file (in HOST byte order),
and make a BFD "section" out of it. This is used by ECOFF. */
-static boolean
+static bfd_boolean
make_a_section_from_file (abfd, hdr, target_index)
bfd *abfd;
struct internal_scnhdr *hdr;
{
asection *return_section;
char *name;
+ bfd_boolean result = TRUE;
+ flagword flags;
- /* Assorted wastage to null-terminate the name, thanks AT&T! */
- name = bfd_alloc (abfd, sizeof (hdr->s_name) + 1);
- if (name == NULL)
+ name = NULL;
+
+ /* Handle long section names as in PE. */
+ if (bfd_coff_long_section_names (abfd)
+ && hdr->s_name[0] == '/')
{
- bfd_set_error (bfd_error_no_memory);
- return false;
+ char buf[SCNNMLEN];
+ long strindex;
+ char *p;
+ const char *strings;
+
+ memcpy (buf, hdr->s_name + 1, SCNNMLEN - 1);
+ buf[SCNNMLEN - 1] = '\0';
+ strindex = strtol (buf, &p, 10);
+ if (*p == '\0' && strindex >= 0)
+ {
+ strings = _bfd_coff_read_string_table (abfd);
+ if (strings == NULL)
+ return FALSE;
+ /* FIXME: For extra safety, we should make sure that
+ strindex does not run us past the end, but right now we
+ don't know the length of the string table. */
+ strings += strindex;
+ name = bfd_alloc (abfd, (bfd_size_type) strlen (strings) + 1);
+ if (name == NULL)
+ return FALSE;
+ strcpy (name, strings);
+ }
}
- strncpy (name, (char *) &hdr->s_name[0], sizeof (hdr->s_name));
- name[sizeof (hdr->s_name)] = 0;
-
- return_section = bfd_make_section (abfd, name);
- if (return_section == NULL)
- return_section = bfd_coff_make_section_hook (abfd, name);
- /* Handle several sections of the same name. For example, if an executable
- has two .bss sections, GDB better be able to find both of them
- (PR 3562). */
- if (return_section == NULL)
- return_section = bfd_make_section_anyway (abfd, name);
+ if (name == NULL)
+ {
+ /* Assorted wastage to null-terminate the name, thanks AT&T! */
+ name = bfd_alloc (abfd, (bfd_size_type) sizeof (hdr->s_name) + 1);
+ if (name == NULL)
+ return FALSE;
+ strncpy (name, (char *) &hdr->s_name[0], sizeof (hdr->s_name));
+ name[sizeof (hdr->s_name)] = 0;
+ }
+ return_section = bfd_make_section_anyway (abfd, name);
if (return_section == NULL)
- return false;
-
- /* s_paddr is presumed to be = to s_vaddr */
+ return FALSE;
return_section->vma = hdr->s_vaddr;
- return_section->lma = return_section->vma;
- return_section->_raw_size = hdr->s_size;
+ return_section->lma = hdr->s_paddr;
+ return_section->size = hdr->s_size;
return_section->filepos = hdr->s_scnptr;
return_section->rel_filepos = hdr->s_relptr;
return_section->reloc_count = hdr->s_nreloc;
return_section->lineno_count = hdr->s_nlnno;
return_section->userdata = NULL;
return_section->next = (asection *) NULL;
- return_section->flags = bfd_coff_styp_to_sec_flags_hook (abfd, hdr, name);
-
return_section->target_index = target_index;
+ if (! bfd_coff_styp_to_sec_flags_hook (abfd, hdr, name, return_section,
+ & flags))
+ result = FALSE;
+
+ return_section->flags = flags;
+
/* At least on i386-coff, the line number count for a shared library
section must be ignored. */
if ((return_section->flags & SEC_COFF_SHARED_LIBRARY) != 0)
/* FIXME: should this check 'hdr->s_size > 0' */
if (hdr->s_scnptr != 0)
return_section->flags |= SEC_HAS_CONTENTS;
- return true;
+
+ return result;
}
/* Read in a COFF object and make it into a BFD. This is used by
flagword oflags = abfd->flags;
bfd_vma ostart = bfd_get_start_address (abfd);
PTR tdata;
- size_t readsize; /* length of file_info */
+ PTR tdata_save;
+ bfd_size_type readsize; /* length of file_info */
unsigned int scnhsz;
char *external_sections;
/* Set up the tdata area. ECOFF uses its own routine, and overrides
abfd->flags. */
+ tdata_save = abfd->tdata.any;
tdata = bfd_coff_mkobject_hook (abfd, (PTR) internal_f, (PTR) internal_a);
if (tdata == NULL)
- return 0;
+ goto fail2;
scnhsz = bfd_coff_scnhsz (abfd);
- readsize = nscns * scnhsz;
+ readsize = (bfd_size_type) nscns * scnhsz;
external_sections = (char *) bfd_alloc (abfd, readsize);
if (!external_sections)
- {
- bfd_set_error (bfd_error_no_memory);
- goto fail;
- }
+ goto fail;
+
+ if (bfd_bread ((PTR) external_sections, readsize, abfd) != readsize)
+ goto fail;
- if (bfd_read ((PTR) external_sections, 1, readsize, abfd) != readsize)
+ /* Set the arch/mach *before* swapping in sections; section header swapping
+ may depend on arch/mach info. */
+ if (! bfd_coff_set_arch_mach_hook (abfd, (PTR) internal_f))
goto fail;
- /* Now copy data as required; construct all asections etc */
+ /* Now copy data as required; construct all asections etc. */
if (nscns != 0)
{
unsigned int i;
bfd_coff_swap_scnhdr_in (abfd,
(PTR) (external_sections + i * scnhsz),
(PTR) & tmp);
- make_a_section_from_file (abfd, &tmp, i + 1);
+ if (! make_a_section_from_file (abfd, &tmp, i + 1))
+ goto fail;
}
}
- /* make_abs_section (abfd); */
-
- if (bfd_coff_set_arch_mach_hook (abfd, (PTR) internal_f) == false)
- goto fail;
-
return abfd->xvec;
fail:
bfd_release (abfd, tdata);
+ fail2:
+ abfd->tdata.any = tdata_save;
abfd->flags = oflags;
bfd_get_start_address (abfd) = ostart;
return (const bfd_target *) NULL;
coff_object_p (abfd)
bfd *abfd;
{
- unsigned int filhsz;
- unsigned int aoutsz;
- int nscns;
+ bfd_size_type filhsz;
+ bfd_size_type aoutsz;
+ unsigned int nscns;
PTR filehdr;
struct internal_filehdr internal_f;
struct internal_aouthdr internal_a;
filehdr = bfd_alloc (abfd, filhsz);
if (filehdr == NULL)
- return 0;
- if (bfd_read (filehdr, 1, filhsz, abfd) != filhsz)
+ return NULL;
+ if (bfd_bread (filehdr, filhsz, abfd) != filhsz)
{
if (bfd_get_error () != bfd_error_system_call)
bfd_set_error (bfd_error_wrong_format);
- return 0;
+ bfd_release (abfd, filehdr);
+ return NULL;
}
bfd_coff_swap_filehdr_in (abfd, filehdr, &internal_f);
bfd_release (abfd, filehdr);
- if (bfd_coff_bad_format_hook (abfd, &internal_f) == false)
+ /* The XCOFF format has two sizes for the f_opthdr. SMALL_AOUTSZ
+ (less than aoutsz) used in object files and AOUTSZ (equal to
+ aoutsz) in executables. The bfd_coff_swap_aouthdr_in function
+ expects this header to be aoutsz bytes in length, so we use that
+ value in the call to bfd_alloc below. But we must be careful to
+ only read in f_opthdr bytes in the call to bfd_bread. We should
+ also attempt to catch corrupt or non-COFF binaries with a strange
+ value for f_opthdr. */
+ if (! bfd_coff_bad_format_hook (abfd, &internal_f)
+ || internal_f.f_opthdr > aoutsz)
{
bfd_set_error (bfd_error_wrong_format);
- return 0;
+ return NULL;
}
nscns = internal_f.f_nscns;
opthdr = bfd_alloc (abfd, aoutsz);
if (opthdr == NULL)
- return 0;;
- if (bfd_read (opthdr, 1, aoutsz, abfd) != aoutsz)
+ return NULL;
+ if (bfd_bread (opthdr, (bfd_size_type) internal_f.f_opthdr, abfd)
+ != internal_f.f_opthdr)
{
- return 0;
+ bfd_release (abfd, opthdr);
+ return NULL;
}
- bfd_coff_swap_aouthdr_in (abfd, opthdr, (PTR) & internal_a);
+ bfd_coff_swap_aouthdr_in (abfd, opthdr, (PTR) &internal_a);
+ bfd_release (abfd, opthdr);
}
- /* Seek past the opt hdr stuff */
- if (bfd_seek (abfd, (file_ptr) (internal_f.f_opthdr + filhsz), SEEK_SET)
- != 0)
- return NULL;
-
return coff_real_object_p (abfd, nscns, &internal_f,
(internal_f.f_opthdr != 0
? &internal_a
bfd *abfd;
int index;
{
- struct sec *answer = abfd->sections;
+ struct bfd_section *answer = abfd->sections;
if (index == N_ABS)
return bfd_abs_section_ptr;
return (bfd_get_symcount (abfd) + 1) * (sizeof (coff_symbol_type *));
}
-
/* Canonicalize a COFF symbol table. */
long
-coff_get_symtab (abfd, alocation)
+coff_canonicalize_symtab (abfd, alocation)
bfd *abfd;
asymbol **alocation;
{
return bfd_get_symcount (abfd);
}
+/* Get the name of a symbol. The caller must pass in a buffer of size
+ >= SYMNMLEN + 1. */
+
+const char *
+_bfd_coff_internal_syment_name (abfd, sym, buf)
+ bfd *abfd;
+ const struct internal_syment *sym;
+ char *buf;
+{
+ /* FIXME: It's not clear this will work correctly if sizeof
+ (_n_zeroes) != 4. */
+ if (sym->_n._n_n._n_zeroes != 0
+ || sym->_n._n_n._n_offset == 0)
+ {
+ memcpy (buf, sym->_n._n_name, SYMNMLEN);
+ buf[SYMNMLEN] = '\0';
+ return buf;
+ }
+ else
+ {
+ const char *strings;
+
+ BFD_ASSERT (sym->_n._n_n._n_offset >= STRING_SIZE_SIZE);
+ strings = obj_coff_strings (abfd);
+ if (strings == NULL)
+ {
+ strings = _bfd_coff_read_string_table (abfd);
+ if (strings == NULL)
+ return NULL;
+ }
+ return strings + sym->_n._n_n._n_offset;
+ }
+}
+
+/* Read in and swap the relocs. This returns a buffer holding the
+ relocs for section SEC in file ABFD. If CACHE is TRUE and
+ INTERNAL_RELOCS is NULL, the relocs read in will be saved in case
+ the function is called again. If EXTERNAL_RELOCS is not NULL, it
+ is a buffer large enough to hold the unswapped relocs. If
+ INTERNAL_RELOCS is not NULL, it is a buffer large enough to hold
+ the swapped relocs. If REQUIRE_INTERNAL is TRUE, then the return
+ value must be INTERNAL_RELOCS. The function returns NULL on error. */
+
+struct internal_reloc *
+_bfd_coff_read_internal_relocs (abfd, sec, cache, external_relocs,
+ require_internal, internal_relocs)
+ bfd *abfd;
+ asection *sec;
+ bfd_boolean cache;
+ bfd_byte *external_relocs;
+ bfd_boolean require_internal;
+ struct internal_reloc *internal_relocs;
+{
+ bfd_size_type relsz;
+ bfd_byte *free_external = NULL;
+ struct internal_reloc *free_internal = NULL;
+ bfd_byte *erel;
+ bfd_byte *erel_end;
+ struct internal_reloc *irel;
+ bfd_size_type amt;
+
+ if (coff_section_data (abfd, sec) != NULL
+ && coff_section_data (abfd, sec)->relocs != NULL)
+ {
+ if (! require_internal)
+ return coff_section_data (abfd, sec)->relocs;
+ memcpy (internal_relocs, coff_section_data (abfd, sec)->relocs,
+ sec->reloc_count * sizeof (struct internal_reloc));
+ return internal_relocs;
+ }
+
+ relsz = bfd_coff_relsz (abfd);
+
+ amt = sec->reloc_count * relsz;
+ if (external_relocs == NULL)
+ {
+ free_external = (bfd_byte *) bfd_malloc (amt);
+ if (free_external == NULL && sec->reloc_count > 0)
+ goto error_return;
+ external_relocs = free_external;
+ }
+
+ if (bfd_seek (abfd, sec->rel_filepos, SEEK_SET) != 0
+ || bfd_bread (external_relocs, amt, abfd) != amt)
+ goto error_return;
+
+ if (internal_relocs == NULL)
+ {
+ amt = sec->reloc_count;
+ amt *= sizeof (struct internal_reloc);
+ free_internal = (struct internal_reloc *) bfd_malloc (amt);
+ if (free_internal == NULL && sec->reloc_count > 0)
+ goto error_return;
+ internal_relocs = free_internal;
+ }
+
+ /* Swap in the relocs. */
+ erel = external_relocs;
+ erel_end = erel + relsz * sec->reloc_count;
+ irel = internal_relocs;
+ for (; erel < erel_end; erel += relsz, irel++)
+ bfd_coff_swap_reloc_in (abfd, (PTR) erel, (PTR) irel);
+
+ if (free_external != NULL)
+ {
+ free (free_external);
+ free_external = NULL;
+ }
+
+ if (cache && free_internal != NULL)
+ {
+ if (coff_section_data (abfd, sec) == NULL)
+ {
+ amt = sizeof (struct coff_section_tdata);
+ sec->used_by_bfd = (PTR) bfd_zalloc (abfd, amt);
+ if (sec->used_by_bfd == NULL)
+ goto error_return;
+ coff_section_data (abfd, sec)->contents = NULL;
+ }
+ coff_section_data (abfd, sec)->relocs = free_internal;
+ }
+
+ return internal_relocs;
+
+ error_return:
+ if (free_external != NULL)
+ free (free_external);
+ if (free_internal != NULL)
+ free (free_internal);
+ return NULL;
+}
+
/* Set lineno_count for the output sections of a COFF file. */
int
{
asymbol *q_maybe = *p;
- if (bfd_asymbol_flavour (q_maybe) == bfd_target_coff_flavour)
+ if (bfd_family_coff (bfd_asymbol_bfd (q_maybe)))
{
coff_symbol_type *q = coffsymbol (q_maybe);
- if (q->lineno != NULL)
+ /* The AIX 4.1 compiler can sometimes generate line numbers
+ attached to debugging symbols. We try to simply ignore
+ those here. */
+ if (q->lineno != NULL
+ && q->symbol.section->owner != NULL)
{
/* This symbol has line numbers. Increment the owning
section's linenumber count. */
alent *l = q->lineno;
- ++q->symbol.section->output_section->lineno_count;
- ++total;
- ++l;
- while (l->line_number != 0)
+ do
{
+ asection * sec = q->symbol.section->output_section;
+
+ /* Do not try to update fields in read-only sections. */
+ if (! bfd_is_const_section (sec))
+ sec->lineno_count ++;
+
++total;
- ++q->symbol.section->output_section->lineno_count;
++l;
}
+ while (l->line_number != 0);
}
}
}
/* Takes a bfd and a symbol, returns a pointer to the coff specific
area of the symbol if there is one. */
-/*ARGSUSED*/
coff_symbol_type *
coff_symbol_from (ignore_abfd, symbol)
- bfd *ignore_abfd;
+ bfd *ignore_abfd ATTRIBUTE_UNUSED;
asymbol *symbol;
{
- if (bfd_asymbol_flavour (symbol) != bfd_target_coff_flavour)
+ if (!bfd_family_coff (bfd_asymbol_bfd (symbol)))
return (coff_symbol_type *) NULL;
if (bfd_asymbol_bfd (symbol)->tdata.coff_obj_data == (coff_data_type *) NULL)
}
static void
-fixup_symbol_value (coff_symbol_ptr, syment)
+fixup_symbol_value (abfd, coff_symbol_ptr, syment)
+ bfd *abfd;
coff_symbol_type *coff_symbol_ptr;
struct internal_syment *syment;
{
syment->n_scnum = N_UNDEF;
syment->n_value = coff_symbol_ptr->symbol.value;
}
- else if (coff_symbol_ptr->symbol.flags & BSF_DEBUGGING)
+ else if ((coff_symbol_ptr->symbol.flags & BSF_DEBUGGING) != 0
+ && (coff_symbol_ptr->symbol.flags & BSF_DEBUGGING_RELOC) == 0)
{
syment->n_value = coff_symbol_ptr->symbol.value;
}
syment->n_scnum = N_UNDEF;
syment->n_value = 0;
}
+ /* FIXME: Do we need to handle the absolute section here? */
else
{
if (coff_symbol_ptr->symbol.section)
syment->n_scnum =
coff_symbol_ptr->symbol.section->output_section->target_index;
- syment->n_value =
- coff_symbol_ptr->symbol.value +
- coff_symbol_ptr->symbol.section->output_offset +
- coff_symbol_ptr->symbol.section->output_section->vma;
+ syment->n_value = (coff_symbol_ptr->symbol.value
+ + coff_symbol_ptr->symbol.section->output_offset);
+ if (! obj_pe (abfd))
+ {
+ syment->n_value += (syment->n_sclass == C_STATLAB)
+ ? coff_symbol_ptr->symbol.section->output_section->lma
+ : coff_symbol_ptr->symbol.section->output_section->vma;
+ }
}
else
{
chain, and that the last one points to the first external symbol. We
do that here too. */
-boolean
+bfd_boolean
coff_renumber_symbols (bfd_ptr, first_undef)
bfd *bfd_ptr;
int *first_undef;
I'm not certain. [raeburn:19920508.1711EST] */
{
asymbol **newsyms;
- int i;
+ unsigned int i;
+ bfd_size_type amt;
- newsyms = (asymbol **) bfd_alloc_by_size_t (bfd_ptr,
- sizeof (asymbol *)
- * (symbol_count + 1));
+ amt = sizeof (asymbol *) * ((bfd_size_type) symbol_count + 1);
+ newsyms = (asymbol **) bfd_alloc (bfd_ptr, amt);
if (!newsyms)
- {
- bfd_set_error (bfd_error_no_memory);
- return false;
- }
+ return FALSE;
bfd_ptr->outsymbols = newsyms;
for (i = 0; i < symbol_count; i++)
- if (!bfd_is_und_section (symbol_ptr_ptr[i]->section)
- && ((symbol_ptr_ptr[i]->flags & (BSF_GLOBAL
- | BSF_NOT_AT_END
- | BSF_FUNCTION))
- != BSF_GLOBAL))
+ if ((symbol_ptr_ptr[i]->flags & BSF_NOT_AT_END) != 0
+ || (!bfd_is_und_section (symbol_ptr_ptr[i]->section)
+ && !bfd_is_com_section (symbol_ptr_ptr[i]->section)
+ && ((symbol_ptr_ptr[i]->flags & BSF_FUNCTION) != 0
+ || ((symbol_ptr_ptr[i]->flags & (BSF_GLOBAL | BSF_WEAK))
+ == 0))))
*newsyms++ = symbol_ptr_ptr[i];
for (i = 0; i < symbol_count; i++)
- if (!bfd_is_und_section (symbol_ptr_ptr[i]->section)
- && ((symbol_ptr_ptr[i]->flags & (BSF_GLOBAL
- | BSF_NOT_AT_END
- | BSF_FUNCTION))
- == BSF_GLOBAL))
+ if ((symbol_ptr_ptr[i]->flags & BSF_NOT_AT_END) == 0
+ && !bfd_is_und_section (symbol_ptr_ptr[i]->section)
+ && (bfd_is_com_section (symbol_ptr_ptr[i]->section)
+ || ((symbol_ptr_ptr[i]->flags & BSF_FUNCTION) == 0
+ && ((symbol_ptr_ptr[i]->flags & (BSF_GLOBAL | BSF_WEAK))
+ != 0))))
*newsyms++ = symbol_ptr_ptr[i];
*first_undef = newsyms - bfd_ptr->outsymbols;
for (i = 0; i < symbol_count; i++)
- if (bfd_is_und_section (symbol_ptr_ptr[i]->section))
+ if ((symbol_ptr_ptr[i]->flags & BSF_NOT_AT_END) == 0
+ && bfd_is_und_section (symbol_ptr_ptr[i]->section))
*newsyms++ = symbol_ptr_ptr[i];
*newsyms = (asymbol *) NULL;
symbol_ptr_ptr = bfd_ptr->outsymbols;
for (symbol_index = 0; symbol_index < symbol_count; symbol_index++)
{
coff_symbol_type *coff_symbol_ptr = coff_symbol_from (bfd_ptr, symbol_ptr_ptr[symbol_index]);
- symbol_ptr_ptr[symbol_index]->udata.i = symbol_index;
+ symbol_ptr_ptr[symbol_index]->udata.i = symbol_index;
if (coff_symbol_ptr && coff_symbol_ptr->native)
{
combined_entry_type *s = coff_symbol_ptr->native;
/* Modify the symbol values according to their section and
type */
- fixup_symbol_value (coff_symbol_ptr, &(s->u.syment));
+ fixup_symbol_value (bfd_ptr, coff_symbol_ptr, &(s->u.syment));
}
for (i = 0; i < s->u.syment.n_numaux + 1; i++)
s[i].offset = native_index++;
}
obj_conv_table_size (bfd_ptr) = native_index;
- return true;
+ return TRUE;
}
/* Run thorough the symbol table again, and fix it so that all
{
/* FIXME: We should use a union here. */
s->u.syment.n_value =
- ((combined_entry_type *) s->u.syment.n_value)->offset;
+ (bfd_vma)((combined_entry_type *)
+ ((unsigned long) s->u.syment.n_value))->offset;
s->fix_value = 0;
}
+ if (s->fix_line)
+ {
+ /* The value is the offset into the line number entries
+ for the symbol's section. On output, the symbol's
+ section should be N_DEBUG. */
+ s->u.syment.n_value =
+ (coff_symbol_ptr->symbol.section->output_section->line_filepos
+ + s->u.syment.n_value * bfd_coff_linesz (bfd_ptr));
+ coff_symbol_ptr->symbol.section =
+ coff_section_from_bfd_index (bfd_ptr, N_DEBUG);
+ BFD_ASSERT (coff_symbol_ptr->symbol.flags & BSF_DEBUGGING);
+ }
for (i = 0; i < s->u.syment.n_numaux; i++)
{
combined_entry_type *a = s + i + 1;
}
}
-static bfd_size_type string_size;
-static bfd_size_type debug_string_size;
-static asection *debug_string_section;
-
static void
-coff_fix_symbol_name (abfd, symbol, native)
+coff_fix_symbol_name (abfd, symbol, native, string_size_p,
+ debug_string_section_p, debug_string_size_p)
bfd *abfd;
asymbol *symbol;
combined_entry_type *native;
+ bfd_size_type *string_size_p;
+ asection **debug_string_section_p;
+ bfd_size_type *debug_string_size_p;
{
unsigned int name_length;
union internal_auxent *auxent;
}
name_length = strlen (name);
- if (native->u.syment.n_sclass == C_FILE)
+ if (native->u.syment.n_sclass == C_FILE
+ && native->u.syment.n_numaux > 0)
{
- strncpy (native->u.syment._n._n_name, ".file", SYMNMLEN);
+ unsigned int filnmlen;
+
+ if (bfd_coff_force_symnames_in_strings (abfd))
+ {
+ native->u.syment._n._n_n._n_offset =
+ (*string_size_p + STRING_SIZE_SIZE);
+ native->u.syment._n._n_n._n_zeroes = 0;
+ *string_size_p += 6; /* strlen(".file") + 1 */
+ }
+ else
+ strncpy (native->u.syment._n._n_name, ".file", SYMNMLEN);
+
auxent = &(native + 1)->u.auxent;
+ filnmlen = bfd_coff_filnmlen (abfd);
+
if (bfd_coff_long_filenames (abfd))
{
- if (name_length <= FILNMLEN)
+ if (name_length <= filnmlen)
{
- strncpy (auxent->x_file.x_fname, name, FILNMLEN);
+ strncpy (auxent->x_file.x_fname, name, filnmlen);
}
else
{
- auxent->x_file.x_n.x_offset = string_size + STRING_SIZE_SIZE;
+ auxent->x_file.x_n.x_offset = *string_size_p + STRING_SIZE_SIZE;
auxent->x_file.x_n.x_zeroes = 0;
- string_size += name_length + 1;
+ *string_size_p += name_length + 1;
}
}
else
{
- strncpy (auxent->x_file.x_fname, name, FILNMLEN);
- if (name_length > FILNMLEN)
- {
- name[FILNMLEN] = '\0';
- }
+ strncpy (auxent->x_file.x_fname, name, filnmlen);
+ if (name_length > filnmlen)
+ name[filnmlen] = '\0';
}
}
else
- { /* NOT A C_FILE SYMBOL */
- if (name_length <= SYMNMLEN)
+ {
+ if (name_length <= SYMNMLEN && !bfd_coff_force_symnames_in_strings (abfd))
{
/* This name will fit into the symbol neatly */
strncpy (native->u.syment._n._n_name, symbol->name, SYMNMLEN);
}
else if (!bfd_coff_symname_in_debug (abfd, &native->u.syment))
{
- native->u.syment._n._n_n._n_offset = string_size + STRING_SIZE_SIZE;
+ native->u.syment._n._n_n._n_offset = (*string_size_p
+ + STRING_SIZE_SIZE);
native->u.syment._n._n_n._n_zeroes = 0;
- string_size += name_length + 1;
+ *string_size_p += name_length + 1;
}
else
{
- long filepos;
- bfd_byte buf[2];
+ file_ptr filepos;
+ bfd_byte buf[4];
+ int prefix_len = bfd_coff_debug_string_prefix_length (abfd);
/* This name should be written into the .debug section. For
some reason each name is preceded by a two byte length
and also followed by a null byte. FIXME: We assume that
the .debug section has already been created, and that it
is large enough. */
- if (debug_string_section == (asection *) NULL)
- debug_string_section = bfd_get_section_by_name (abfd, ".debug");
+ if (*debug_string_section_p == (asection *) NULL)
+ *debug_string_section_p = bfd_get_section_by_name (abfd, ".debug");
filepos = bfd_tell (abfd);
- bfd_put_16 (abfd, name_length + 1, buf);
+ if (prefix_len == 4)
+ bfd_put_32 (abfd, (bfd_vma) (name_length + 1), buf);
+ else
+ bfd_put_16 (abfd, (bfd_vma) (name_length + 1), buf);
+
if (!bfd_set_section_contents (abfd,
- debug_string_section,
+ *debug_string_section_p,
(PTR) buf,
- (file_ptr) debug_string_size,
- (bfd_size_type) 2)
+ (file_ptr) *debug_string_size_p,
+ (bfd_size_type) prefix_len)
|| !bfd_set_section_contents (abfd,
- debug_string_section,
+ *debug_string_section_p,
(PTR) symbol->name,
- (file_ptr) debug_string_size + 2,
+ (file_ptr) (*debug_string_size_p
+ + prefix_len),
(bfd_size_type) name_length + 1))
abort ();
if (bfd_seek (abfd, filepos, SEEK_SET) != 0)
abort ();
- native->u.syment._n._n_n._n_offset = debug_string_size + 2;
+ native->u.syment._n._n_n._n_offset =
+ *debug_string_size_p + prefix_len;
native->u.syment._n._n_n._n_zeroes = 0;
- debug_string_size += name_length + 3;
+ *debug_string_size_p += name_length + 1 + prefix_len;
}
}
}
/* Write a symbol out to a COFF file. */
-static boolean
-coff_write_symbol (abfd, symbol, native, written)
+static bfd_boolean
+coff_write_symbol (abfd, symbol, native, written, string_size_p,
+ debug_string_section_p, debug_string_size_p)
bfd *abfd;
asymbol *symbol;
combined_entry_type *native;
- unsigned int *written;
+ bfd_vma *written;
+ bfd_size_type *string_size_p;
+ asection **debug_string_section_p;
+ bfd_size_type *debug_string_size_p;
{
unsigned int numaux = native->u.syment.n_numaux;
int type = native->u.syment.n_type;
if (native->u.syment.n_sclass == C_FILE)
symbol->flags |= BSF_DEBUGGING;
- if (symbol->flags & BSF_DEBUGGING)
+ if (symbol->flags & BSF_DEBUGGING
+ && bfd_is_abs_section (symbol->section))
{
native->u.syment.n_scnum = N_DEBUG;
}
symbol->section->output_section->target_index;
}
- coff_fix_symbol_name (abfd, symbol, native);
+ coff_fix_symbol_name (abfd, symbol, native, string_size_p,
+ debug_string_section_p, debug_string_size_p);
symesz = bfd_coff_symesz (abfd);
buf = bfd_alloc (abfd, symesz);
if (!buf)
- {
- bfd_set_error (bfd_error_no_memory);
- return false;
- }
+ return FALSE;
bfd_coff_swap_sym_out (abfd, &native->u.syment, buf);
- if (bfd_write (buf, 1, symesz, abfd) != symesz)
- return false;
+ if (bfd_bwrite (buf, symesz, abfd) != symesz)
+ return FALSE;
bfd_release (abfd, buf);
if (native->u.syment.n_numaux > 0)
auxesz = bfd_coff_auxesz (abfd);
buf = bfd_alloc (abfd, auxesz);
if (!buf)
- {
- bfd_set_error (bfd_error_no_memory);
- return false;
- }
+ return FALSE;
for (j = 0; j < native->u.syment.n_numaux; j++)
{
bfd_coff_swap_aux_out (abfd,
&((native + j + 1)->u.auxent),
type,
class,
- j,
+ (int) j,
native->u.syment.n_numaux,
buf);
- if (bfd_write (buf, 1, auxesz, abfd) != auxesz)
- return false;
+ if (bfd_bwrite (buf, auxesz, abfd) != auxesz)
+ return FALSE;
}
bfd_release (abfd, buf);
}
set_index (symbol, *written);
*written += numaux + 1;
- return true;
+ return TRUE;
}
/* Write out a symbol to a COFF file that does not come from a COFF
file originally. This symbol may have been created by the linker,
or we may be linking a non COFF file to a COFF file. */
-static boolean
-coff_write_alien_symbol (abfd, symbol, written)
+static bfd_boolean
+coff_write_alien_symbol (abfd, symbol, written, string_size_p,
+ debug_string_section_p, debug_string_size_p)
bfd *abfd;
asymbol *symbol;
- unsigned int *written;
+ bfd_vma *written;
+ bfd_size_type *string_size_p;
+ asection **debug_string_section_p;
+ bfd_size_type *debug_string_size_p;
{
combined_entry_type *native;
combined_entry_type dummy;
format. So, we just ignore them. We must clobber the symbol
name to keep it from being put in the string table. */
symbol->name = "";
- return true;
+ return TRUE;
}
else
{
native->u.syment.n_scnum =
symbol->section->output_section->target_index;
native->u.syment.n_value = (symbol->value
- + symbol->section->output_section->vma
+ symbol->section->output_offset);
+ if (! obj_pe (abfd))
+ native->u.syment.n_value += symbol->section->output_section->vma;
- /* Copy the any flags from the the file header into the symbol.
+ /* Copy the any flags from the file header into the symbol.
FIXME: Why? */
{
coff_symbol_type *c = coff_symbol_from (abfd, symbol);
native->u.syment.n_type = 0;
if (symbol->flags & BSF_LOCAL)
native->u.syment.n_sclass = C_STAT;
+ else if (symbol->flags & BSF_WEAK)
+ native->u.syment.n_sclass = obj_pe (abfd) ? C_NT_WEAK : C_WEAKEXT;
else
native->u.syment.n_sclass = C_EXT;
native->u.syment.n_numaux = 0;
- return coff_write_symbol (abfd, symbol, native, written);
+ return coff_write_symbol (abfd, symbol, native, written, string_size_p,
+ debug_string_section_p, debug_string_size_p);
}
/* Write a native symbol to a COFF file. */
-static boolean
-coff_write_native_symbol (abfd, symbol, written)
+static bfd_boolean
+coff_write_native_symbol (abfd, symbol, written, string_size_p,
+ debug_string_section_p, debug_string_size_p)
bfd *abfd;
coff_symbol_type *symbol;
- unsigned int *written;
+ bfd_vma *written;
+ bfd_size_type *string_size_p;
+ asection **debug_string_section_p;
+ bfd_size_type *debug_string_size_p;
{
combined_entry_type *native = symbol->native;
alent *lineno = symbol->lineno;
/* If this symbol has an associated line number, we must store the
symbol index in the line number field. We also tag the auxent to
point to the right place in the lineno table. */
- if (lineno && !symbol->done_lineno)
+ if (lineno && !symbol->done_lineno && symbol->symbol.section->owner != NULL)
{
unsigned int count = 0;
lineno[count].u.offset = *written;
while (lineno[count].line_number != 0)
{
#if 0
- /* 13 april 92. sac
+ /* 13 april 92. sac
I've been told this, but still need proof:
> The second bug is also in `bfd/coffcode.h'. This bug
> causes the linker to screw up the pc-relocations for
#endif
count++;
}
- symbol->done_lineno = true;
+ symbol->done_lineno = TRUE;
- symbol->symbol.section->output_section->moving_line_filepos +=
- count * bfd_coff_linesz (abfd);
+ if (! bfd_is_const_section (symbol->symbol.section->output_section))
+ symbol->symbol.section->output_section->moving_line_filepos +=
+ count * bfd_coff_linesz (abfd);
}
- return coff_write_symbol (abfd, &(symbol->symbol), native, written);
+ return coff_write_symbol (abfd, &(symbol->symbol), native, written,
+ string_size_p, debug_string_section_p,
+ debug_string_size_p);
}
/* Write out the COFF symbols. */
-boolean
+bfd_boolean
coff_write_symbols (abfd)
bfd *abfd;
{
+ bfd_size_type string_size;
+ asection *debug_string_section;
+ bfd_size_type debug_string_size;
unsigned int i;
unsigned int limit = bfd_get_symcount (abfd);
- unsigned int written = 0;
+ bfd_signed_vma written = 0;
asymbol **p;
string_size = 0;
+ debug_string_section = NULL;
debug_string_size = 0;
+ /* If this target supports long section names, they must be put into
+ the string table. This is supported by PE. This code must
+ handle section names just as they are handled in
+ coff_write_object_contents. */
+ if (bfd_coff_long_section_names (abfd))
+ {
+ asection *o;
+
+ for (o = abfd->sections; o != NULL; o = o->next)
+ {
+ size_t len;
+
+ len = strlen (o->name);
+ if (len > SCNNMLEN)
+ string_size += len + 1;
+ }
+ }
+
/* Seek to the right place */
if (bfd_seek (abfd, obj_sym_filepos (abfd), SEEK_SET) != 0)
- return false;
+ return FALSE;
/* Output all the symbols we have */
if (c_symbol == (coff_symbol_type *) NULL
|| c_symbol->native == (combined_entry_type *) NULL)
{
- if (!coff_write_alien_symbol (abfd, symbol, &written))
- return false;
+ if (!coff_write_alien_symbol (abfd, symbol, &written, &string_size,
+ &debug_string_section,
+ &debug_string_size))
+ return FALSE;
}
else
{
- if (!coff_write_native_symbol (abfd, c_symbol, &written))
- return false;
+ if (!coff_write_native_symbol (abfd, c_symbol, &written,
+ &string_size, &debug_string_section,
+ &debug_string_size))
+ return FALSE;
}
}
bfd_byte buffer[STRING_SIZE_SIZE];
#if STRING_SIZE_SIZE == 4
- bfd_h_put_32 (abfd, size, buffer);
+ H_PUT_32 (abfd, size, buffer);
#else
- #error Change bfd_h_put_32
+ #error Change H_PUT_32
#endif
- if (bfd_write ((PTR) buffer, 1, sizeof (buffer), abfd) != sizeof (buffer))
- return false;
+ if (bfd_bwrite ((PTR) buffer, (bfd_size_type) sizeof (buffer), abfd)
+ != sizeof (buffer))
+ return FALSE;
+
+ /* Handle long section names. This code must handle section
+ names just as they are handled in coff_write_object_contents. */
+ if (bfd_coff_long_section_names (abfd))
+ {
+ asection *o;
+
+ for (o = abfd->sections; o != NULL; o = o->next)
+ {
+ size_t len;
+
+ len = strlen (o->name);
+ if (len > SCNNMLEN)
+ {
+ if (bfd_bwrite (o->name, (bfd_size_type) (len + 1), abfd)
+ != len + 1)
+ return FALSE;
+ }
+ }
+ }
+
for (p = abfd->outsymbols, i = 0;
i < limit;
i++, p++)
{
/* This is not a COFF symbol, so it certainly is not a
file name, nor does it go in the .debug section. */
- maxlen = SYMNMLEN;
+ maxlen = bfd_coff_force_symnames_in_strings (abfd) ? 0 : SYMNMLEN;
}
else if (bfd_coff_symname_in_debug (abfd,
&c_symbol->native->u.syment))
Don't write it into the string table. */
maxlen = name_length;
}
- else if (c_symbol->native->u.syment.n_sclass == C_FILE)
- maxlen = FILNMLEN;
+ else if (c_symbol->native->u.syment.n_sclass == C_FILE
+ && c_symbol->native->u.syment.n_numaux > 0)
+ {
+ if (bfd_coff_force_symnames_in_strings (abfd))
+ {
+ if (bfd_bwrite (".file", (bfd_size_type) 6, abfd) != 6)
+ return FALSE;
+ }
+ maxlen = bfd_coff_filnmlen (abfd);
+ }
else
- maxlen = SYMNMLEN;
+ maxlen = bfd_coff_force_symnames_in_strings (abfd) ? 0 : SYMNMLEN;
if (name_length > maxlen)
{
- if (bfd_write ((PTR) (q->name), 1, name_length + 1, abfd)
- != name_length + 1)
- return false;
+ if (bfd_bwrite ((PTR) (q->name), (bfd_size_type) name_length + 1,
+ abfd) != name_length + 1)
+ return FALSE;
}
}
}
bfd_byte buffer[STRING_SIZE_SIZE];
#if STRING_SIZE_SIZE == 4
- bfd_h_put_32 (abfd, size, buffer);
+ H_PUT_32 (abfd, size, buffer);
#else
- #error Change bfd_h_put_32
+ #error Change H_PUT_32
#endif
- if (bfd_write ((PTR) buffer, 1, STRING_SIZE_SIZE, abfd)
+ if (bfd_bwrite ((PTR) buffer, (bfd_size_type) STRING_SIZE_SIZE, abfd)
!= STRING_SIZE_SIZE)
- return false;
+ return FALSE;
}
/* Make sure the .debug section was created to be the correct size.
|| (debug_string_section != (asection *) NULL
&& (BFD_ALIGN (debug_string_size,
1 << debug_string_section->alignment_power)
- == bfd_section_size (abfd, debug_string_section))));
+ == debug_string_section->size)));
- return true;
+ return TRUE;
}
-boolean
+bfd_boolean
coff_write_linenumbers (abfd)
bfd *abfd;
{
linesz = bfd_coff_linesz (abfd);
buff = bfd_alloc (abfd, linesz);
if (!buff)
- {
- bfd_set_error (bfd_error_no_memory);
- return false;
- }
+ return FALSE;
for (s = abfd->sections; s != (asection *) NULL; s = s->next)
{
if (s->lineno_count)
{
asymbol **q = abfd->outsymbols;
if (bfd_seek (abfd, s->line_filepos, SEEK_SET) != 0)
- return false;
+ return FALSE;
/* Find all the linenumbers in this section */
while (*q)
{
out.l_lnno = 0;
out.l_addr.l_symndx = l->u.offset;
bfd_coff_swap_lineno_out (abfd, &out, buff);
- if (bfd_write (buff, 1, linesz, abfd) != linesz)
- return false;
+ if (bfd_bwrite (buff, (bfd_size_type) linesz, abfd)
+ != linesz)
+ return FALSE;
l++;
while (l->line_number)
{
out.l_lnno = l->line_number;
out.l_addr.l_symndx = l->u.offset;
bfd_coff_swap_lineno_out (abfd, &out, buff);
- if (bfd_write (buff, 1, linesz, abfd) != linesz)
- return false;
+ if (bfd_bwrite (buff, (bfd_size_type) linesz, abfd)
+ != linesz)
+ return FALSE;
l++;
}
}
}
}
bfd_release (abfd, buff);
- return true;
+ return TRUE;
}
-/*ARGSUSED */
alent *
coff_get_lineno (ignore_abfd, symbol)
- bfd *ignore_abfd;
+ bfd *ignore_abfd ATTRIBUTE_UNUSED;
asymbol *symbol;
{
return coffsymbol (symbol)->lineno;
}
+#if 0
+
+/* This is only called from coff_add_missing_symbols, which has been
+ disabled. */
+
asymbol *
coff_section_symbol (abfd, name)
bfd *abfd;
combined_entry_type e[10];
};
struct foo *f;
- f = (struct foo *) bfd_alloc_by_size_t (abfd, sizeof (*f));
+
+ f = (struct foo *) bfd_zalloc (abfd, (bfd_size_type) sizeof (*f));
if (!f)
{
bfd_set_error (bfd_error_no_error);
return NULL;
}
- memset ((char *) f, 0, sizeof (*f));
coff_symbol_from (abfd, sym)->native = csym = f->e;
}
csym[0].u.syment.n_sclass = C_STAT;
csym[0].u.syment.n_numaux = 1;
/* SF_SET_STATICS (sym); @@ ??? */
- csym[1].u.auxent.x_scn.x_scnlen = sec->_raw_size;
+ csym[1].u.auxent.x_scn.x_scnlen = sec->size;
csym[1].u.auxent.x_scn.x_nreloc = sec->reloc_count;
csym[1].u.auxent.x_scn.x_nlinno = sec->lineno_count;
return sym;
}
+#endif /* 0 */
+
/* This function transforms the offsets into the symbol table into
pointers to syments. */
static void
-coff_pointerize_aux (abfd, table_base, type, class, auxent)
+coff_pointerize_aux (abfd, table_base, symbol, indaux, auxent)
bfd *abfd;
combined_entry_type *table_base;
- int type;
- int class;
+ combined_entry_type *symbol;
+ unsigned int indaux;
combined_entry_type *auxent;
{
+ unsigned int type = symbol->u.syment.n_type;
+ unsigned int class = symbol->u.syment.n_sclass;
+
+ if (coff_backend_info (abfd)->_bfd_coff_pointerize_aux_hook)
+ {
+ if ((*coff_backend_info (abfd)->_bfd_coff_pointerize_aux_hook)
+ (abfd, table_base, symbol, indaux, auxent))
+ return;
+ }
+
/* Don't bother if this is a file or a section */
if (class == C_STAT && type == T_NULL)
return;
/* Otherwise patch up */
#define N_TMASK coff_data (abfd)->local_n_tmask
#define N_BTSHFT coff_data (abfd)->local_n_btshft
- if ((ISFCN (type) || ISTAG (class) || class == C_BLOCK)
+ if ((ISFCN (type) || ISTAG (class) || class == C_BLOCK || class == C_FCN)
&& auxent->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.l > 0)
{
auxent->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.p =
- (table_base
- + auxent->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.l);
+ table_base + auxent->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.l;
auxent->fix_end = 1;
}
/* A negative tagndx is meaningless, but the SCO 3.2v4 cc can
}
}
-static char *
-build_string_table (abfd)
- bfd *abfd;
-{
- char string_table_size_buffer[STRING_SIZE_SIZE];
- unsigned int string_table_size;
- char *string_table;
-
- /* At this point we should be "seek"'d to the end of the
- symbols === the symbol table size. */
- if (bfd_read ((char *) string_table_size_buffer,
- sizeof (string_table_size_buffer),
- 1, abfd) != sizeof (string_table_size))
- return (NULL);
-
-#if STRING_SIZE_SIZE == 4
- string_table_size = bfd_h_get_32 (abfd, (bfd_byte *) string_table_size_buffer);
-#else
- #error Change bfd_h_get_32
-#endif
-
- if ((string_table = (PTR) bfd_alloc (abfd,
- string_table_size -= STRING_SIZE_SIZE))
- == NULL)
- {
- bfd_set_error (bfd_error_no_memory);
- return (NULL);
- } /* on mallocation error */
- if (bfd_read (string_table, string_table_size, 1, abfd) != string_table_size)
- return (NULL);
- return string_table;
-}
-
/* Allocate space for the ".debug" section, and read it.
We did not read the debug section until now, because
- we didn't want to go to the trouble until someone needed it. */
+ we didn't want to go to the trouble until someone needed it. */
static char *
build_debug_section (abfd)
bfd *abfd;
{
char *debug_section;
- long position;
+ file_ptr position;
+ bfd_size_type sec_size;
asection *sect = bfd_get_section_by_name (abfd, ".debug");
return NULL;
}
- debug_section = (PTR) bfd_alloc (abfd,
- bfd_get_section_size_before_reloc (sect));
+ sec_size = sect->size;
+ debug_section = (PTR) bfd_alloc (abfd, sec_size);
if (debug_section == NULL)
- {
- bfd_set_error (bfd_error_no_memory);
- return NULL;
- }
+ return NULL;
- /* Seek to the beginning of the `.debug' section and read it.
+ /* Seek to the beginning of the `.debug' section and read it.
Save the current position first; it is needed by our caller.
Then read debug section and reset the file pointer. */
position = bfd_tell (abfd);
if (bfd_seek (abfd, sect->filepos, SEEK_SET) != 0
- || (bfd_read (debug_section,
- bfd_get_section_size_before_reloc (sect), 1, abfd)
- != bfd_get_section_size_before_reloc (sect))
+ || bfd_bread (debug_section, sec_size, abfd) != sec_size
|| bfd_seek (abfd, position, SEEK_SET) != 0)
return NULL;
return debug_section;
}
-
/* Return a pointer to a malloc'd copy of 'name'. 'name' may not be
\0-terminated, but will not exceed 'maxlen' characters. The copy *will*
be \0-terminated. */
copy_name (abfd, name, maxlen)
bfd *abfd;
char *name;
- int maxlen;
+ size_t maxlen;
{
- int len;
+ size_t len;
char *newname;
for (len = 0; len < maxlen; ++len)
}
}
- if ((newname = (PTR) bfd_alloc (abfd, len + 1)) == NULL)
- {
- bfd_set_error (bfd_error_no_memory);
- return (NULL);
- }
+ if ((newname = (PTR) bfd_alloc (abfd, (bfd_size_type) len + 1)) == NULL)
+ return (NULL);
strncpy (newname, name, len);
newname[len] = '\0';
return newname;
}
+/* Read in the external symbols. */
+
+bfd_boolean
+_bfd_coff_get_external_symbols (abfd)
+ bfd *abfd;
+{
+ bfd_size_type symesz;
+ bfd_size_type size;
+ PTR syms;
+
+ if (obj_coff_external_syms (abfd) != NULL)
+ return TRUE;
+
+ symesz = bfd_coff_symesz (abfd);
+
+ size = obj_raw_syment_count (abfd) * symesz;
+
+ syms = (PTR) bfd_malloc (size);
+ if (syms == NULL && size != 0)
+ return FALSE;
+
+ if (bfd_seek (abfd, obj_sym_filepos (abfd), SEEK_SET) != 0
+ || bfd_bread (syms, size, abfd) != size)
+ {
+ if (syms != NULL)
+ free (syms);
+ return FALSE;
+ }
+
+ obj_coff_external_syms (abfd) = syms;
+
+ return TRUE;
+}
+
+/* Read in the external strings. The strings are not loaded until
+ they are needed. This is because we have no simple way of
+ detecting a missing string table in an archive. */
+
+const char *
+_bfd_coff_read_string_table (abfd)
+ bfd *abfd;
+{
+ char extstrsize[STRING_SIZE_SIZE];
+ bfd_size_type strsize;
+ char *strings;
+ file_ptr pos;
+
+ if (obj_coff_strings (abfd) != NULL)
+ return obj_coff_strings (abfd);
+
+ if (obj_sym_filepos (abfd) == 0)
+ {
+ bfd_set_error (bfd_error_no_symbols);
+ return NULL;
+ }
+
+ pos = obj_sym_filepos (abfd);
+ pos += obj_raw_syment_count (abfd) * bfd_coff_symesz (abfd);
+ if (bfd_seek (abfd, pos, SEEK_SET) != 0)
+ return NULL;
+
+ if (bfd_bread (extstrsize, (bfd_size_type) sizeof extstrsize, abfd)
+ != sizeof extstrsize)
+ {
+ if (bfd_get_error () != bfd_error_file_truncated)
+ return NULL;
+
+ /* There is no string table. */
+ strsize = STRING_SIZE_SIZE;
+ }
+ else
+ {
+#if STRING_SIZE_SIZE == 4
+ strsize = H_GET_32 (abfd, extstrsize);
+#else
+ #error Change H_GET_32
+#endif
+ }
+
+ if (strsize < STRING_SIZE_SIZE)
+ {
+ (*_bfd_error_handler)
+ (_("%B: bad string table size %lu"), abfd, (unsigned long) strsize);
+ bfd_set_error (bfd_error_bad_value);
+ return NULL;
+ }
+
+ strings = (char *) bfd_malloc (strsize);
+ if (strings == NULL)
+ return NULL;
+
+ if (bfd_bread (strings + STRING_SIZE_SIZE, strsize - STRING_SIZE_SIZE, abfd)
+ != strsize - STRING_SIZE_SIZE)
+ {
+ free (strings);
+ return NULL;
+ }
+
+ obj_coff_strings (abfd) = strings;
+
+ return strings;
+}
+
+/* Free up the external symbols and strings read from a COFF file. */
+
+bfd_boolean
+_bfd_coff_free_symbols (abfd)
+ bfd *abfd;
+{
+ if (obj_coff_external_syms (abfd) != NULL
+ && ! obj_coff_keep_syms (abfd))
+ {
+ free (obj_coff_external_syms (abfd));
+ obj_coff_external_syms (abfd) = NULL;
+ }
+ if (obj_coff_strings (abfd) != NULL
+ && ! obj_coff_keep_strings (abfd))
+ {
+ free (obj_coff_strings (abfd));
+ obj_coff_strings (abfd) = NULL;
+ }
+ return TRUE;
+}
+
/* Read a symbol table into freshly bfd_allocated memory, swap it, and
knit the symbol names into a normalized form. By normalized here I
mean that all symbols have an n_offset pointer that points to a null-
combined_entry_type *internal_ptr;
combined_entry_type *symbol_ptr;
combined_entry_type *internal_end;
- bfd_size_type symesz;
- PTR raw;
+ size_t symesz;
char *raw_src;
char *raw_end;
- char *string_table = NULL;
+ const char *string_table = NULL;
char *debug_section = NULL;
- unsigned long size;
- unsigned int raw_size;
+ bfd_size_type size;
if (obj_raw_syments (abfd) != NULL)
return obj_raw_syments (abfd);
size = obj_raw_syment_count (abfd) * sizeof (combined_entry_type);
- internal = (combined_entry_type *) bfd_alloc (abfd, size);
+ internal = (combined_entry_type *) bfd_zalloc (abfd, size);
if (internal == NULL && size != 0)
- {
- bfd_set_error (bfd_error_no_memory);
- return NULL;
- }
+ return NULL;
internal_end = internal + obj_raw_syment_count (abfd);
- symesz = bfd_coff_symesz (abfd);
- raw_size = obj_raw_syment_count (abfd) * symesz;
- raw = bfd_alloc (abfd, raw_size);
- if (raw == NULL && raw_size != 0)
- {
- bfd_set_error (bfd_error_no_memory);
- return NULL;
- }
-
- if (bfd_seek (abfd, obj_sym_filepos (abfd), SEEK_SET) == -1
- || bfd_read (raw, raw_size, 1, abfd) != raw_size)
+ if (! _bfd_coff_get_external_symbols (abfd))
return NULL;
+ raw_src = (char *) obj_coff_external_syms (abfd);
+
/* mark the end of the symbols */
- raw_end = (char *) raw + obj_raw_syment_count (abfd) * symesz;
+ symesz = bfd_coff_symesz (abfd);
+ raw_end = (char *) raw_src + obj_raw_syment_count (abfd) * symesz;
/* FIXME SOMEDAY. A string table size of zero is very weird, but
probably possible. If one shows up, it will probably kill us. */
/* Swap all the raw entries */
- for (raw_src = (char *) raw, internal_ptr = internal;
+ for (internal_ptr = internal;
raw_src < raw_end;
raw_src += symesz, internal_ptr++)
{
unsigned int i;
bfd_coff_swap_sym_in (abfd, (PTR) raw_src,
(PTR) & internal_ptr->u.syment);
- internal_ptr->fix_value = 0;
- internal_ptr->fix_tag = 0;
- internal_ptr->fix_end = 0;
- internal_ptr->fix_scnlen = 0;
symbol_ptr = internal_ptr;
for (i = 0;
{
internal_ptr++;
raw_src += symesz;
-
- internal_ptr->fix_value = 0;
- internal_ptr->fix_tag = 0;
- internal_ptr->fix_end = 0;
- internal_ptr->fix_scnlen = 0;
bfd_coff_swap_aux_in (abfd, (PTR) raw_src,
symbol_ptr->u.syment.n_type,
symbol_ptr->u.syment.n_sclass,
- i, symbol_ptr->u.syment.n_numaux,
+ (int) i, symbol_ptr->u.syment.n_numaux,
&(internal_ptr->u.auxent));
- /* Remember that bal entries arn't pointerized */
- if (i != 1 || symbol_ptr->u.syment.n_sclass != C_LEAFPROC)
- {
-
- coff_pointerize_aux (abfd,
- internal,
- symbol_ptr->u.syment.n_type,
- symbol_ptr->u.syment.n_sclass,
- internal_ptr);
- }
-
+ coff_pointerize_aux (abfd, internal, symbol_ptr, i,
+ internal_ptr);
}
}
- /* Free all the raw stuff */
- if (raw != NULL)
- bfd_release (abfd, raw);
+ /* Free the raw symbols, but not the strings (if we have them). */
+ obj_coff_keep_strings (abfd) = TRUE;
+ if (! _bfd_coff_free_symbols (abfd))
+ return NULL;
for (internal_ptr = internal; internal_ptr < internal_end;
internal_ptr++)
{
/* the filename is a long one, point into the string table */
if (string_table == NULL)
- string_table = build_string_table (abfd);
+ {
+ string_table = _bfd_coff_read_string_table (abfd);
+ if (string_table == NULL)
+ return NULL;
+ }
internal_ptr->u.syment._n._n_n._n_offset =
- (long) (string_table - STRING_SIZE_SIZE +
- (internal_ptr + 1)->u.auxent.x_file.x_n.x_offset);
+ ((long)
+ (string_table
+ + (internal_ptr + 1)->u.auxent.x_file.x_n.x_offset));
}
else
{
- /* ordinary short filename, put into memory anyway */
- internal_ptr->u.syment._n._n_n._n_offset = (long)
- copy_name (abfd, (internal_ptr + 1)->u.auxent.x_file.x_fname,
- FILNMLEN);
+ /* Ordinary short filename, put into memory anyway. The
+ Microsoft PE tools sometimes store a filename in
+ multiple AUX entries. */
+ if (internal_ptr->u.syment.n_numaux > 1
+ && coff_data (abfd)->pe)
+ {
+ internal_ptr->u.syment._n._n_n._n_offset =
+ ((long)
+ copy_name (abfd,
+ (internal_ptr + 1)->u.auxent.x_file.x_fname,
+ internal_ptr->u.syment.n_numaux * symesz));
+ }
+ else
+ {
+ internal_ptr->u.syment._n._n_n._n_offset =
+ ((long)
+ copy_name (abfd,
+ (internal_ptr + 1)->u.auxent.x_file.x_fname,
+ (size_t) bfd_coff_filnmlen (abfd)));
+ }
}
}
else
if (internal_ptr->u.syment._n._n_n._n_zeroes != 0)
{
/* This is a "short" name. Make it long. */
- unsigned long i = 0;
- char *newstring = NULL;
+ size_t i;
+ char *newstring;
/* find the length of this string without walking into memory
that isn't ours. */
for (i = 0; i < 8; ++i)
- {
- if (internal_ptr->u.syment._n._n_name[i] == '\0')
- {
- break;
- } /* if end of string */
- } /* possible lengths of this string. */
+ if (internal_ptr->u.syment._n._n_name[i] == '\0')
+ break;
- if ((newstring = (PTR) bfd_alloc (abfd, ++i)) == NULL)
- {
- bfd_set_error (bfd_error_no_memory);
- return (NULL);
- } /* on error */
- memset (newstring, 0, i);
- strncpy (newstring, internal_ptr->u.syment._n._n_name, i - 1);
+ newstring = (PTR) bfd_zalloc (abfd, (bfd_size_type) (i + 1));
+ if (newstring == NULL)
+ return (NULL);
+ strncpy (newstring, internal_ptr->u.syment._n._n_name, i);
internal_ptr->u.syment._n._n_n._n_offset = (long int) newstring;
internal_ptr->u.syment._n._n_n._n_zeroes = 0;
}
/* Long name already. Point symbol at the string in the
table. */
if (string_table == NULL)
- string_table = build_string_table (abfd);
- internal_ptr->u.syment._n._n_n._n_offset = (long int)
- (string_table
- - STRING_SIZE_SIZE
- + internal_ptr->u.syment._n._n_n._n_offset);
+ {
+ string_table = _bfd_coff_read_string_table (abfd);
+ if (string_table == NULL)
+ return NULL;
+ }
+ internal_ptr->u.syment._n._n_n._n_offset =
+ ((long int)
+ (string_table
+ + internal_ptr->u.syment._n._n_n._n_offset));
}
else
{
}
obj_raw_syments (abfd) = internal;
- BFD_ASSERT (obj_raw_syment_count (abfd) == internal_ptr - internal);
+ BFD_ASSERT (obj_raw_syment_count (abfd)
+ == (unsigned int) (internal_ptr - internal));
return (internal);
} /* coff_get_normalized_symtab() */
coff_make_empty_symbol (abfd)
bfd *abfd;
{
- coff_symbol_type *new = (coff_symbol_type *) bfd_alloc (abfd, sizeof (coff_symbol_type));
+ bfd_size_type amt = sizeof (coff_symbol_type);
+ coff_symbol_type *new = (coff_symbol_type *) bfd_zalloc (abfd, amt);
if (new == NULL)
- {
- bfd_set_error (bfd_error_no_memory);
- return (NULL);
- } /* on error */
- memset (new, 0, sizeof *new);
+ return (NULL);
new->symbol.section = 0;
new->native = 0;
new->lineno = (alent *) NULL;
- new->done_lineno = false;
+ new->done_lineno = FALSE;
new->symbol.the_bfd = abfd;
return &new->symbol;
}
asymbol *
coff_bfd_make_debug_symbol (abfd, ptr, sz)
bfd *abfd;
- PTR ptr;
- unsigned long sz;
+ PTR ptr ATTRIBUTE_UNUSED;
+ unsigned long sz ATTRIBUTE_UNUSED;
{
- coff_symbol_type *new = (coff_symbol_type *) bfd_alloc (abfd, sizeof (coff_symbol_type));
+ bfd_size_type amt = sizeof (coff_symbol_type);
+ coff_symbol_type *new = (coff_symbol_type *) bfd_alloc (abfd, amt);
if (new == NULL)
- {
- bfd_set_error (bfd_error_no_memory);
- return (NULL);
- } /* on error */
- /* @@ This shouldn't be using a constant multiplier. */
- new->native = (combined_entry_type *) bfd_zalloc (abfd, sizeof (combined_entry_type) * 10);
+ return (NULL);
+ /* @@ The 10 is a guess at a plausible maximum number of aux entries
+ (but shouldn't be a constant). */
+ amt = sizeof (combined_entry_type) * 10;
+ new->native = (combined_entry_type *) bfd_zalloc (abfd, amt);
if (!new->native)
- {
- bfd_set_error (bfd_error_no_memory);
- return (NULL);
- } /* on error */
+ return (NULL);
new->symbol.section = bfd_abs_section_ptr;
new->symbol.flags = BSF_DEBUGGING;
new->lineno = (alent *) NULL;
- new->done_lineno = false;
+ new->done_lineno = FALSE;
new->symbol.the_bfd = abfd;
return &new->symbol;
}
-/*ARGSUSED */
void
coff_get_symbol_info (abfd, symbol, ret)
bfd *abfd;
symbol_info *ret;
{
bfd_symbol_info (symbol, ret);
+ if (coffsymbol (symbol)->native != NULL
+ && coffsymbol (symbol)->native->fix_value)
+ {
+ ret->value = coffsymbol (symbol)->native->u.syment.n_value -
+ (unsigned long) obj_raw_syments (abfd);
+ }
+}
+
+/* Return the COFF syment for a symbol. */
+
+bfd_boolean
+bfd_coff_get_syment (abfd, symbol, psyment)
+ bfd *abfd;
+ asymbol *symbol;
+ struct internal_syment *psyment;
+{
+ coff_symbol_type *csym;
+
+ csym = coff_symbol_from (abfd, symbol);
+ if (csym == NULL || csym->native == NULL)
+ {
+ bfd_set_error (bfd_error_invalid_operation);
+ return FALSE;
+ }
+
+ *psyment = csym->native->u.syment;
+
+ if (csym->native->fix_value)
+ psyment->n_value = psyment->n_value -
+ (unsigned long) obj_raw_syments (abfd);
+
+ /* FIXME: We should handle fix_line here. */
+
+ return TRUE;
+}
+
+/* Return the COFF auxent for a symbol. */
+
+bfd_boolean
+bfd_coff_get_auxent (abfd, symbol, indx, pauxent)
+ bfd *abfd;
+ asymbol *symbol;
+ int indx;
+ union internal_auxent *pauxent;
+{
+ coff_symbol_type *csym;
+ combined_entry_type *ent;
+
+ csym = coff_symbol_from (abfd, symbol);
+
+ if (csym == NULL
+ || csym->native == NULL
+ || indx >= csym->native->u.syment.n_numaux)
+ {
+ bfd_set_error (bfd_error_invalid_operation);
+ return FALSE;
+ }
+
+ ent = csym->native + indx + 1;
+
+ *pauxent = ent->u.auxent;
+
+ if (ent->fix_tag)
+ pauxent->x_sym.x_tagndx.l =
+ ((combined_entry_type *) pauxent->x_sym.x_tagndx.p
+ - obj_raw_syments (abfd));
+
+ if (ent->fix_end)
+ pauxent->x_sym.x_fcnary.x_fcn.x_endndx.l =
+ ((combined_entry_type *) pauxent->x_sym.x_fcnary.x_fcn.x_endndx.p
+ - obj_raw_syments (abfd));
+
+ if (ent->fix_scnlen)
+ pauxent->x_csect.x_scnlen.l =
+ ((combined_entry_type *) pauxent->x_csect.x_scnlen.p
+ - obj_raw_syments (abfd));
+
+ return TRUE;
}
/* Print out information about COFF symbol. */
case bfd_print_symbol_all:
if (coffsymbol (symbol)->native)
{
+ bfd_vma val;
unsigned int aux;
combined_entry_type *combined = coffsymbol (symbol)->native;
combined_entry_type *root = obj_raw_syments (abfd);
fprintf (file, "[%3ld]", (long) (combined - root));
+ if (! combined->fix_value)
+ val = (bfd_vma) combined->u.syment.n_value;
+ else
+ val = combined->u.syment.n_value - (unsigned long) root;
+
+#ifndef XCOFF64
fprintf (file,
"(sec %2d)(fl 0x%02x)(ty %3x)(scl %3d) (nx %d) 0x%08lx %s",
combined->u.syment.n_scnum,
combined->u.syment.n_type,
combined->u.syment.n_sclass,
combined->u.syment.n_numaux,
- (unsigned long) combined->u.syment.n_value,
+ (unsigned long) val,
+ symbol->name);
+#else
+ /* Print out the wide, 64 bit, symbol value */
+ fprintf (file,
+ "(sec %2d)(fl 0x%02x)(ty %3x)(scl %3d) (nx %d) 0x%016llx %s",
+ combined->u.syment.n_scnum,
+ combined->u.syment.n_flags,
+ combined->u.syment.n_type,
+ combined->u.syment.n_sclass,
+ combined->u.syment.n_numaux,
+ val,
symbol->name);
+#endif
for (aux = 0; aux < combined->u.syment.n_numaux; aux++)
{
tagndx = auxp->u.auxent.x_sym.x_tagndx.l;
fprintf (file, "\n");
+
+ if (bfd_coff_print_aux (abfd, file, root, combined, auxp, aux))
+ continue;
+
switch (combined->u.syment.n_sclass)
{
case C_FILE:
(long) auxp->u.auxent.x_scn.x_scnlen,
auxp->u.auxent.x_scn.x_nreloc,
auxp->u.auxent.x_scn.x_nlinno);
+ if (auxp->u.auxent.x_scn.x_checksum != 0
+ || auxp->u.auxent.x_scn.x_associated != 0
+ || auxp->u.auxent.x_scn.x_comdat != 0)
+ fprintf (file, " checksum 0x%lx assoc %d comdat %d",
+ auxp->u.auxent.x_scn.x_checksum,
+ auxp->u.auxent.x_scn.x_associated,
+ auxp->u.auxent.x_scn.x_comdat);
+ break;
+ }
+ /* else fall through */
+ case C_EXT:
+ if (ISFCN (combined->u.syment.n_type))
+ {
+ long next, llnos;
+
+ if (auxp->fix_end)
+ next = (auxp->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.p
+ - root);
+ else
+ next = auxp->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.l;
+ llnos = auxp->u.auxent.x_sym.x_fcnary.x_fcn.x_lnnoptr;
+ fprintf (file,
+ "AUX tagndx %ld ttlsiz 0x%lx lnnos %ld next %ld",
+ tagndx, auxp->u.auxent.x_sym.x_misc.x_fsize,
+ llnos, next);
break;
}
/* else fall through */
-
default:
fprintf (file, "AUX lnno %d size 0x%x tagndx %ld",
auxp->u.auxent.x_sym.x_misc.x_lnsz.x_lnno,
}
else
{
- bfd_print_symbol_vandf ((PTR) file, symbol);
+ bfd_print_symbol_vandf (abfd, (PTR) file, symbol);
fprintf (file, " %-5s %s %s %s",
symbol->section->name,
coffsymbol (symbol)->native ? "n" : "g",
}
}
-/* Provided a BFD, a section and an offset into the section, calculate
- and return the name of the source file and the line nearest to the
- wanted location. */
+/* Return whether a symbol name implies a local symbol. In COFF,
+ local symbols generally start with ``.L''. Most targets use this
+ function for the is_local_label_name entry point, but some may
+ override it. */
+
+bfd_boolean
+_bfd_coff_is_local_label_name (abfd, name)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ const char *name;
+{
+ return name[0] == '.' && name[1] == 'L';
+}
+
+/* Provided a BFD, a section and an offset (in bytes, not octets) into the
+ section, calculate and return the name of the source file and the line
+ nearest to the wanted location. */
-/*ARGSUSED*/
-boolean
-coff_find_nearest_line (abfd, section, ignore_symbols, offset, filename_ptr,
+bfd_boolean
+coff_find_nearest_line (abfd, section, symbols, offset, filename_ptr,
functionname_ptr, line_ptr)
bfd *abfd;
asection *section;
- asymbol **ignore_symbols;
+ asymbol **symbols;
bfd_vma offset;
- CONST char **filename_ptr;
- CONST char **functionname_ptr;
+ const char **filename_ptr;
+ const char **functionname_ptr;
unsigned int *line_ptr;
{
- static bfd *cache_abfd;
- static asection *cache_section;
- static bfd_vma cache_offset;
- static unsigned int cache_i;
- static CONST char *cache_function;
- static unsigned int line_base = 0;
-
+ bfd_boolean found;
unsigned int i;
+ unsigned int line_base;
coff_data_type *cof = coff_data (abfd);
/* Run through the raw syments if available */
combined_entry_type *p;
combined_entry_type *pend;
alent *l;
-
+ struct coff_section_tdata *sec_data;
+ bfd_size_type amt;
+
+ /* Before looking through the symbol table, try to use a .stab
+ section to find the information. */
+ if (! _bfd_stab_section_find_nearest_line (abfd, symbols, section, offset,
+ &found, filename_ptr,
+ functionname_ptr, line_ptr,
+ &coff_data(abfd)->line_info))
+ return FALSE;
+
+ if (found)
+ return TRUE;
+
+ /* Also try examining DWARF2 debugging information. */
+ if (_bfd_dwarf2_find_nearest_line (abfd, section, symbols, offset,
+ filename_ptr, functionname_ptr,
+ line_ptr, 0,
+ &coff_data(abfd)->dwarf2_find_line_info))
+ return TRUE;
*filename_ptr = 0;
*functionname_ptr = 0;
*line_ptr = 0;
/* Don't try and find line numbers in a non coff file */
- if (abfd->xvec->flavour != bfd_target_coff_flavour)
- return false;
+ if (!bfd_family_coff (abfd))
+ return FALSE;
if (cof == NULL)
- return false;
+ return FALSE;
/* Find the first C_FILE symbol. */
p = cof->raw_syments;
+ if (!p)
+ return FALSE;
+
pend = p + cof->raw_syment_count;
while (p < pend)
{
if (p < pend)
{
+ bfd_vma sec_vma;
bfd_vma maxdiff;
/* Look through the C_FILE symbols to find the best one. */
+ sec_vma = bfd_get_section_vma (abfd, section);
*filename_ptr = (char *) p->u.syment._n._n_n._n_offset;
maxdiff = (bfd_vma) 0 - (bfd_vma) 1;
while (1)
}
}
+ /* We use <= MAXDIFF here so that if we get a zero length
+ file, we actually use the next file entry. */
if (p2 < pend
- && offset >= p2->u.syment.n_value
- && offset - p2->u.syment.n_value < maxdiff)
+ && offset + sec_vma >= (bfd_vma) p2->u.syment.n_value
+ && offset + sec_vma - (bfd_vma) p2->u.syment.n_value <= maxdiff)
{
*filename_ptr = (char *) p->u.syment._n._n_n._n_offset;
- maxdiff = offset - p2->u.syment.n_value;
+ maxdiff = offset + sec_vma - p2->u.syment.n_value;
}
/* Avoid endless loops on erroneous files by ensuring that
we always move forward in the file. */
- if (p - cof->raw_syments >= p->u.syment.n_value)
+ if (p >= cof->raw_syments + p->u.syment.n_value)
break;
p = cof->raw_syments + p->u.syment.n_value;
}
/* Now wander though the raw linenumbers of the section */
- /* If this is the same BFD as we were previously called with and
- this is the same section, and the offset we want is further down
- then we can prime the lookup loop. */
- if (abfd == cache_abfd &&
- section == cache_section &&
- offset >= cache_offset)
+ /* If we have been called on this section before, and the offset we
+ want is further down then we can prime the lookup loop. */
+ sec_data = coff_section_data (abfd, section);
+ if (sec_data != NULL
+ && sec_data->i > 0
+ && offset >= sec_data->offset)
{
- i = cache_i;
- *functionname_ptr = cache_function;
+ i = sec_data->i;
+ *functionname_ptr = sec_data->function;
+ line_base = sec_data->line_base;
}
else
{
i = 0;
+ line_base = 0;
}
- l = §ion->lineno[i];
- for (; i < section->lineno_count; i++)
+ if (section->lineno != NULL)
{
- if (l->line_number == 0)
+ bfd_vma last_value = 0;
+
+ l = §ion->lineno[i];
+
+ for (; i < section->lineno_count; i++)
{
- /* Get the symbol this line number points at */
- coff_symbol_type *coff = (coff_symbol_type *) (l->u.sym);
- if (coff->symbol.value > offset)
- break;
- *functionname_ptr = coff->symbol.name;
- if (coff->native)
+ if (l->line_number == 0)
{
- combined_entry_type *s = coff->native;
- s = s + 1 + s->u.syment.n_numaux;
-
- /* In XCOFF a debugging symbol can follow the function
- symbol. */
- if (s->u.syment.n_scnum == N_DEBUG)
- s = s + 1 + s->u.syment.n_numaux;
-
- /*
- S should now point to the .bf of the function
- */
- if (s->u.syment.n_numaux)
+ /* Get the symbol this line number points at */
+ coff_symbol_type *coff = (coff_symbol_type *) (l->u.sym);
+ if (coff->symbol.value > offset)
+ break;
+ *functionname_ptr = coff->symbol.name;
+ last_value = coff->symbol.value;
+ if (coff->native)
{
- /*
- The linenumber is stored in the auxent
- */
- union internal_auxent *a = &((s + 1)->u.auxent);
- line_base = a->x_sym.x_misc.x_lnsz.x_lnno;
- *line_ptr = line_base;
+ combined_entry_type *s = coff->native;
+ s = s + 1 + s->u.syment.n_numaux;
+
+ /* In XCOFF a debugging symbol can follow the
+ function symbol. */
+ if (s->u.syment.n_scnum == N_DEBUG)
+ s = s + 1 + s->u.syment.n_numaux;
+
+ /* S should now point to the .bf of the function. */
+ if (s->u.syment.n_numaux)
+ {
+ /* The linenumber is stored in the auxent. */
+ union internal_auxent *a = &((s + 1)->u.auxent);
+ line_base = a->x_sym.x_misc.x_lnsz.x_lnno;
+ *line_ptr = line_base;
+ }
}
}
+ else
+ {
+ if (l->u.offset > offset)
+ break;
+ *line_ptr = l->line_number + line_base - 1;
+ }
+ l++;
}
- else
+
+ /* If we fell off the end of the loop, then assume that this
+ symbol has no line number info. Otherwise, symbols with no
+ line number info get reported with the line number of the
+ last line of the last symbol which does have line number
+ info. We use 0x100 as a slop to account for cases where the
+ last line has executable code. */
+ if (i >= section->lineno_count
+ && last_value != 0
+ && offset - last_value > 0x100)
{
- if (l->u.offset + bfd_get_section_vma (abfd, section) > offset)
- break;
- *line_ptr = l->line_number + line_base - 1;
+ *functionname_ptr = NULL;
+ *line_ptr = 0;
}
- l++;
}
- cache_abfd = abfd;
- cache_section = section;
- cache_offset = offset;
- cache_i = i;
- cache_function = *functionname_ptr;
+ /* Cache the results for the next call. */
+ if (sec_data == NULL && section->owner == abfd)
+ {
+ amt = sizeof (struct coff_section_tdata);
+ section->used_by_bfd = (PTR) bfd_zalloc (abfd, amt);
+ sec_data = (struct coff_section_tdata *) section->used_by_bfd;
+ }
+ if (sec_data != NULL)
+ {
+ sec_data->offset = offset;
+ sec_data->i = i;
+ sec_data->function = *functionname_ptr;
+ sec_data->line_base = line_base;
+ }
- return true;
+ return TRUE;
}
int
coff_sizeof_headers (abfd, reloc)
bfd *abfd;
- boolean reloc;
+ bfd_boolean reloc;
{
size_t size;
- if (reloc == false)
+ if (! reloc)
{
size = bfd_coff_filhsz (abfd) + bfd_coff_aoutsz (abfd);
}
size += abfd->section_count * bfd_coff_scnhsz (abfd);
return size;
}
+
+/* Change the class of a coff symbol held by BFD. */
+bfd_boolean
+bfd_coff_set_symbol_class (abfd, symbol, class)
+ bfd * abfd;
+ asymbol * symbol;
+ unsigned int class;
+{
+ coff_symbol_type * csym;
+
+ csym = coff_symbol_from (abfd, symbol);
+ if (csym == NULL)
+ {
+ bfd_set_error (bfd_error_invalid_operation);
+ return FALSE;
+ }
+ else if (csym->native == NULL)
+ {
+ /* This is an alien symbol which no native coff backend data.
+ We cheat here by creating a fake native entry for it and
+ then filling in the class. This code is based on that in
+ coff_write_alien_symbol(). */
+
+ combined_entry_type * native;
+ bfd_size_type amt = sizeof (* native);
+
+ native = (combined_entry_type *) bfd_zalloc (abfd, amt);
+ if (native == NULL)
+ return FALSE;
+
+ native->u.syment.n_type = T_NULL;
+ native->u.syment.n_sclass = class;
+
+ if (bfd_is_und_section (symbol->section))
+ {
+ native->u.syment.n_scnum = N_UNDEF;
+ native->u.syment.n_value = symbol->value;
+ }
+ else if (bfd_is_com_section (symbol->section))
+ {
+ native->u.syment.n_scnum = N_UNDEF;
+ native->u.syment.n_value = symbol->value;
+ }
+ else
+ {
+ native->u.syment.n_scnum =
+ symbol->section->output_section->target_index;
+ native->u.syment.n_value = (symbol->value
+ + symbol->section->output_offset);
+ if (! obj_pe (abfd))
+ native->u.syment.n_value += symbol->section->output_section->vma;
+
+ /* Copy the any flags from the file header into the symbol.
+ FIXME: Why? */
+ native->u.syment.n_flags = bfd_asymbol_bfd (& csym->symbol)->flags;
+ }
+
+ csym->native = native;
+ }
+ else
+ {
+ csym->native->u.syment.n_sclass = class;
+ }
+
+ return TRUE;
+}
+
+struct coff_comdat_info *
+bfd_coff_get_comdat_section (bfd *abfd, struct bfd_section *sec)
+{
+ if (bfd_get_flavour (abfd) == bfd_target_coff_flavour)
+ return coff_section_data (abfd, sec)->comdat;
+ else
+ return NULL;
+}
projects / deliverable / binutils-gdb.git / blobdiff