/* Stabs in sections linking support.
- Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+ Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
Free Software Foundation, Inc.
Written by Ian Lance Taylor, Cygnus Support.
the string table for this unit, and the desc field is the number of
stabs symbols for this unit. */
-#define STRDXOFF (0)
-#define TYPEOFF (4)
-#define OTHEROFF (5)
-#define DESCOFF (6)
-#define VALOFF (8)
-#define STABSIZE (12)
-
-/* A hash table used for header files with N_BINCL entries. */
-
-struct stab_link_includes_table
-{
- struct bfd_hash_table root;
-};
+#define STRDXOFF 0
+#define TYPEOFF 4
+#define OTHEROFF 5
+#define DESCOFF 6
+#define VALOFF 8
+#define STABSIZE 12
/* A linked list of totals that we have found for a particular header
file. A total is a unique identifier for a particular BINCL...EINCL
struct stab_link_includes_totals *totals;
};
-/* Look up an entry in an the header file hash table. */
-
-#define stab_link_includes_lookup(table, string, create, copy) \
- ((struct stab_link_includes_entry *) \
- bfd_hash_lookup (&(table)->root, (string), (create), (copy)))
-
/* This structure is used to hold a list of N_BINCL symbols, some of
which might be converted into N_EXCL symbols. */
bfd_size_type stridxs[1];
};
-/* This structure is used to keep track of stabs in sections
- information while linking. */
-
-struct stab_info
-{
- /* A hash table used to hold stabs strings. */
- struct bfd_strtab_hash *strings;
- /* The header file hash table. */
- struct stab_link_includes_table includes;
- /* The first .stabstr section. */
- asection *stabstr;
-};
-
-static struct bfd_hash_entry *stab_link_includes_newfunc
- PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
\f
/* The function to create a new entry in the header file hash table. */
static struct bfd_hash_entry *
-stab_link_includes_newfunc (entry, table, string)
- struct bfd_hash_entry *entry;
- struct bfd_hash_table *table;
- const char *string;
+stab_link_includes_newfunc (struct bfd_hash_entry *entry,
+ struct bfd_hash_table *table,
+ const char *string)
{
struct stab_link_includes_entry *ret =
(struct stab_link_includes_entry *) entry;
/* Allocate the structure if it has not already been allocated by a
subclass. */
- if (ret == (struct stab_link_includes_entry *) NULL)
- ret = ((struct stab_link_includes_entry *)
- bfd_hash_allocate (table,
- sizeof (struct stab_link_includes_entry)));
- if (ret == (struct stab_link_includes_entry *) NULL)
- return (struct bfd_hash_entry *) ret;
+ if (ret == NULL)
+ ret = bfd_hash_allocate (table,
+ sizeof (struct stab_link_includes_entry));
+ if (ret == NULL)
+ return NULL;
/* Call the allocation method of the superclass. */
ret = ((struct stab_link_includes_entry *)
bfd_hash_newfunc ((struct bfd_hash_entry *) ret, table, string));
if (ret)
- {
- /* Set local fields. */
- ret->totals = NULL;
- }
+ /* Set local fields. */
+ ret->totals = NULL;
return (struct bfd_hash_entry *) ret;
}
pass of the linker. */
bfd_boolean
-_bfd_link_section_stabs (abfd, psinfo, stabsec, stabstrsec, psecinfo, pstring_offset)
- bfd *abfd;
- PTR *psinfo;
- asection *stabsec;
- asection *stabstrsec;
- PTR *psecinfo;
- bfd_size_type *pstring_offset;
+_bfd_link_section_stabs (bfd *abfd,
+ struct stab_info *sinfo,
+ asection *stabsec,
+ asection *stabstrsec,
+ void * *psecinfo,
+ bfd_size_type *pstring_offset)
{
bfd_boolean first;
- struct stab_info *sinfo;
bfd_size_type count, amt;
struct stab_section_info *secinfo;
bfd_byte *stabbuf = NULL;
if (stabsec->size == 0
|| stabstrsec->size == 0)
- {
- /* This file does not contain stabs debugging information. */
- return TRUE;
- }
+ /* This file does not contain stabs debugging information. */
+ return TRUE;
if (stabsec->size % STABSIZE != 0)
- {
- /* Something is wrong with the format of these stab symbols.
- Don't try to optimize them. */
- return TRUE;
- }
+ /* Something is wrong with the format of these stab symbols.
+ Don't try to optimize them. */
+ return TRUE;
if ((stabstrsec->flags & SEC_RELOC) != 0)
- {
- /* We shouldn't see relocations in the strings, and we aren't
- prepared to handle them. */
- return TRUE;
- }
+ /* We shouldn't see relocations in the strings, and we aren't
+ prepared to handle them. */
+ return TRUE;
if ((stabsec->output_section != NULL
&& bfd_is_abs_section (stabsec->output_section))
|| (stabstrsec->output_section != NULL
&& bfd_is_abs_section (stabstrsec->output_section)))
- {
- /* At least one of the sections is being discarded from the
- link, so we should just ignore them. */
- return TRUE;
- }
+ /* At least one of the sections is being discarded from the
+ link, so we should just ignore them. */
+ return TRUE;
first = FALSE;
- if (*psinfo == NULL)
+ if (sinfo->stabstr == NULL)
{
/* Initialize the stabs information we need to keep track of. */
first = TRUE;
- amt = sizeof (struct stab_info);
- *psinfo = (PTR) bfd_alloc (abfd, amt);
- if (*psinfo == NULL)
- goto error_return;
- sinfo = (struct stab_info *) *psinfo;
sinfo->strings = _bfd_stringtab_init ();
if (sinfo->strings == NULL)
goto error_return;
/* Make sure the first byte is zero. */
(void) _bfd_stringtab_add (sinfo->strings, "", TRUE, TRUE);
- if (! bfd_hash_table_init_n (&sinfo->includes.root,
+ if (! bfd_hash_table_init_n (&sinfo->includes,
stab_link_includes_newfunc,
251))
goto error_return;
sinfo->stabstr = bfd_make_section_anyway (abfd, ".stabstr");
- sinfo->stabstr->flags |= SEC_HAS_CONTENTS | SEC_READONLY | SEC_DEBUGGING;
+ if (sinfo->stabstr == NULL)
+ goto error_return;
+ sinfo->stabstr->flags |= (SEC_HAS_CONTENTS | SEC_READONLY
+ | SEC_DEBUGGING | SEC_LINKER_CREATED);
}
- sinfo = (struct stab_info *) *psinfo;
-
/* Initialize the information we are going to store for this .stab
section. */
-
count = stabsec->size / STABSIZE;
amt = sizeof (struct stab_section_info);
memset (secinfo->stridxs, 0, (size_t) count * sizeof (bfd_size_type));
/* Read the stabs information from abfd. */
-
if (!bfd_malloc_and_get_section (abfd, stabsec, &stabbuf)
|| !bfd_malloc_and_get_section (abfd, stabstrsec, &stabstrbuf))
goto error_return;
/* Look through the stabs symbols, work out the new string indices,
and identify N_BINCL symbols which can be eliminated. */
-
stroff = 0;
/* The stabs sections can be split when
-split-by-reloc/-split-by-file is used. We must keep track of
const char *string;
if (*pstridx != 0)
- {
- /* This symbol has already been handled by an N_BINCL pass. */
- continue;
- }
+ /* This symbol has already been handled by an N_BINCL pass. */
+ continue;
type = sym[TYPEOFF];
if (symstroff >= stabstrsec->size)
{
(*_bfd_error_handler)
- (_("%s(%s+0x%lx): Stabs entry has invalid string index."),
- bfd_archive_filename (abfd),
- bfd_get_section_name (abfd, stabsec),
- (long) (sym - stabbuf));
+ (_("%B(%A+0x%lx): Stabs entry has invalid string index."),
+ abfd, stabsec, (long) (sym - stabbuf));
bfd_set_error (bfd_error_bad_value);
goto error_return;
}
/* If we have already included a header file with the same
value, then replaced this one with an N_EXCL symbol. */
- incl_entry = stab_link_includes_lookup (&sinfo->includes, string,
- TRUE, TRUE);
+ incl_entry = (struct stab_link_includes_entry * )
+ bfd_hash_lookup (&sinfo->includes, string, TRUE, TRUE);
if (incl_entry == NULL)
goto error_return;
/* Record this symbol, so that we can set the value
correctly. */
amt = sizeof *ne;
- ne = (struct stab_excl_list *) bfd_alloc (abfd, amt);
+ ne = bfd_alloc (abfd, amt);
if (ne == NULL)
goto error_return;
ne->offset = sym - stabbuf;
{
/* This is the first time we have seen this header file
with this set of stabs strings. */
- t = ((struct stab_link_includes_totals *)
- bfd_hash_allocate (&sinfo->includes.root, sizeof *t));
+ t = bfd_hash_allocate (&sinfo->includes, sizeof *t);
if (t == NULL)
goto error_return;
t->sum_chars = sum_chars;
bfd_size_type *pskips;
amt = count * sizeof (bfd_size_type);
- secinfo->cumulative_skips = (bfd_size_type *) bfd_alloc (abfd, amt);
+ secinfo->cumulative_skips = bfd_alloc (abfd, amt);
if (secinfo->cumulative_skips == NULL)
goto error_return;
*/
bfd_boolean
-_bfd_discard_section_stabs (abfd, stabsec, psecinfo,
- reloc_symbol_deleted_p, cookie)
- bfd *abfd;
- asection *stabsec;
- PTR psecinfo;
- bfd_boolean (*reloc_symbol_deleted_p) PARAMS ((bfd_vma, PTR));
- PTR cookie;
+_bfd_discard_section_stabs (bfd *abfd,
+ asection *stabsec,
+ void * psecinfo,
+ bfd_boolean (*reloc_symbol_deleted_p) (bfd_vma, void *),
+ void * cookie)
{
bfd_size_type count, amt;
struct stab_section_info *secinfo;
int deleting;
if (stabsec->size == 0)
- {
- /* This file does not contain stabs debugging information. */
- return FALSE;
- }
+ /* This file does not contain stabs debugging information. */
+ return FALSE;
if (stabsec->size % STABSIZE != 0)
- {
- /* Something is wrong with the format of these stab symbols.
- Don't try to optimize them. */
- return FALSE;
- }
+ /* Something is wrong with the format of these stab symbols.
+ Don't try to optimize them. */
+ return FALSE;
if ((stabsec->output_section != NULL
&& bfd_is_abs_section (stabsec->output_section)))
- {
- /* At least one of the sections is being discarded from the
- link, so we should just ignore them. */
- return FALSE;
- }
+ /* At least one of the sections is being discarded from the
+ link, so we should just ignore them. */
+ return FALSE;
/* We should have initialized our data in _bfd_link_stab_sections.
If there was some bizarre error reading the string sections, though,
secinfo = (struct stab_section_info *) psecinfo;
/* Read the stabs information from abfd. */
-
if (!bfd_malloc_and_get_section (abfd, stabsec, &stabbuf))
goto error_return;
/* Look through the stabs symbols and discard any information for
discarded functions. */
-
skip = 0;
deleting = -1;
int type;
if (*pstridx == (bfd_size_type) -1)
- {
- /* This stab was deleted in a previous pass. */
- continue;
- }
+ /* This stab was deleted in a previous pass. */
+ continue;
type = sym[TYPEOFF];
if (secinfo->cumulative_skips == NULL)
{
amt = count * sizeof (bfd_size_type);
- secinfo->cumulative_skips = (bfd_size_type *) bfd_alloc (abfd, amt);
+ secinfo->cumulative_skips = bfd_alloc (abfd, amt);
if (secinfo->cumulative_skips == NULL)
goto error_return;
}
contents. */
bfd_boolean
-_bfd_write_section_stabs (output_bfd, psinfo, stabsec, psecinfo, contents)
- bfd *output_bfd;
- PTR *psinfo;
- asection *stabsec;
- PTR *psecinfo;
- bfd_byte *contents;
+_bfd_write_section_stabs (bfd *output_bfd,
+ struct stab_info *sinfo,
+ asection *stabsec,
+ void * *psecinfo,
+ bfd_byte *contents)
{
- struct stab_info *sinfo;
struct stab_section_info *secinfo;
struct stab_excl_list *e;
bfd_byte *sym, *tosym, *symend;
bfd_size_type *pstridx;
- sinfo = (struct stab_info *) *psinfo;
secinfo = (struct stab_section_info *) *psecinfo;
if (secinfo == NULL)
/* Write out the .stabstr section. */
bfd_boolean
-_bfd_write_stab_strings (output_bfd, psinfo)
- bfd *output_bfd;
- PTR *psinfo;
+_bfd_write_stab_strings (bfd *output_bfd, struct stab_info *sinfo)
{
- struct stab_info *sinfo;
-
- sinfo = (struct stab_info *) *psinfo;
-
- if (sinfo == NULL)
- return TRUE;
-
if (bfd_is_abs_section (sinfo->stabstr->output_section))
- {
- /* The section was discarded from the link. */
- return TRUE;
- }
+ /* The section was discarded from the link. */
+ return TRUE;
BFD_ASSERT ((sinfo->stabstr->output_offset
+ _bfd_stringtab_size (sinfo->strings))
/* We no longer need the stabs information. */
_bfd_stringtab_free (sinfo->strings);
- bfd_hash_table_free (&sinfo->includes.root);
+ bfd_hash_table_free (&sinfo->includes);
return TRUE;
}
or -1 if the address refers to a stab which has been removed. */
bfd_vma
-_bfd_stab_section_offset (stabsec, psecinfo, offset)
- asection *stabsec;
- PTR psecinfo;
- bfd_vma offset;
+_bfd_stab_section_offset (asection *stabsec,
+ void * psecinfo,
+ bfd_vma offset)
{
struct stab_section_info *secinfo;
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