/* Generic symbol-table support for the BFD library.
- Copyright (C) 1990-2018 Free Software Foundation, Inc.
+ Copyright (C) 1990-2021 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
. with this name and type in use. BSF_OBJECT must also be set. *}
.#define BSF_GNU_UNIQUE (1 << 23)
.
+. {* This section symbol should be included in the symbol table. *}
+.#define BSF_SECTION_SYM_USED (1 << 24)
+.
. flagword flags;
.
. {* A pointer to the section to which this symbol is
bfd_is_local_label
SYNOPSIS
- bfd_boolean bfd_is_local_label (bfd *abfd, asymbol *sym);
+ bool bfd_is_local_label (bfd *abfd, asymbol *sym);
DESCRIPTION
Return TRUE if the given symbol @var{sym} in the BFD @var{abfd} is
a compiler generated local label, else return FALSE.
*/
-bfd_boolean
+bool
bfd_is_local_label (bfd *abfd, asymbol *sym)
{
/* The BSF_SECTION_SYM check is needed for IA-64, where every label that
starts with '.' is local. This would accidentally catch section names
if we didn't reject them here. */
if ((sym->flags & (BSF_GLOBAL | BSF_WEAK | BSF_FILE | BSF_SECTION_SYM)) != 0)
- return FALSE;
+ return false;
if (sym->name == NULL)
- return FALSE;
+ return false;
return bfd_is_local_label_name (abfd, sym->name);
}
bfd_is_local_label_name
SYNOPSIS
- bfd_boolean bfd_is_local_label_name (bfd *abfd, const char *name);
+ bool bfd_is_local_label_name (bfd *abfd, const char *name);
DESCRIPTION
Return TRUE if a symbol with the name @var{name} in the BFD
bfd_is_target_special_symbol
SYNOPSIS
- bfd_boolean bfd_is_target_special_symbol (bfd *abfd, asymbol *sym);
+ bool bfd_is_target_special_symbol (bfd *abfd, asymbol *sym);
DESCRIPTION
Return TRUE iff a symbol @var{sym} in the BFD @var{abfd} is something
bfd_set_symtab
SYNOPSIS
- bfd_boolean bfd_set_symtab
+ bool bfd_set_symtab
(bfd *abfd, asymbol **location, unsigned int count);
DESCRIPTION
will be written.
*/
-bfd_boolean
+bool
bfd_set_symtab (bfd *abfd, asymbol **location, unsigned int symcount)
{
if (abfd->format != bfd_object || bfd_read_p (abfd))
{
bfd_set_error (bfd_error_invalid_operation);
- return FALSE;
+ return false;
}
- bfd_get_outsymbols (abfd) = location;
- bfd_get_symcount (abfd) = symcount;
- return TRUE;
+ abfd->outsymbols = location;
+ abfd->symcount = symcount;
+ return true;
}
/*
asymbol *
_bfd_generic_make_empty_symbol (bfd *abfd)
{
- bfd_size_type amt = sizeof (asymbol);
+ size_t amt = sizeof (asymbol);
asymbol *new_symbol = (asymbol *) bfd_zalloc (abfd, amt);
if (new_symbol)
new_symbol->the_bfd = abfd;
char type;
};
-/* Map section names to POSIX/BSD single-character symbol types.
+/* Map special section names to POSIX/BSD single-character symbol types.
This table is probably incomplete. It is sorted for convenience of
adding entries. Since it is so short, a linear search is used. */
static const struct section_to_type stt[] =
{
- {".bss", 'b'},
- {"code", 't'}, /* MRI .text */
- {".data", 'd'},
- {"*DEBUG*", 'N'},
- {".debug", 'N'}, /* MSVC's .debug (non-standard debug syms) */
{".drectve", 'i'}, /* MSVC's .drective section */
{".edata", 'e'}, /* MSVC's .edata (export) section */
- {".fini", 't'}, /* ELF fini section */
{".idata", 'i'}, /* MSVC's .idata (import) section */
- {".init", 't'}, /* ELF init section */
{".pdata", 'p'}, /* MSVC's .pdata (stack unwind) section */
- {".rdata", 'r'}, /* Read only data. */
- {".rodata", 'r'}, /* Read only data. */
- {".sbss", 's'}, /* Small BSS (uninitialized data). */
- {".scommon", 'c'}, /* Small common. */
- {".sdata", 'g'}, /* Small initialized data. */
- {".text", 't'},
- {"vars", 'd'}, /* MRI .data */
- {"zerovars", 'b'}, /* MRI .bss */
{0, 0}
};
/* Return the single-character symbol type corresponding to
section S, or '?' for an unknown COFF section.
- Check for any leading string which matches, so .text5 returns
- 't' as well as .text */
+ Check for leading strings which match, followed by a number, '.',
+ or '$' so .idata5 matches the .idata entry. */
static char
coff_section_type (const char *s)
const struct section_to_type *t;
for (t = &stt[0]; t->section; t++)
- if (!strncmp (s, t->section, strlen (t->section)))
- return t->type;
+ {
+ size_t len = strlen (t->section);
+ if (strncmp (s, t->section, len) == 0
+ && memchr (".$0123456789", s[len], 13) != 0)
+ return t->type;
+ }
return '?';
}
SECTION, or '?' for an unknown section. This uses section flags to
identify sections.
- FIXME These types are unhandled: c, i, e, p. If we handled these also,
+ FIXME These types are unhandled: e, i, p. If we handled these also,
we could perhaps obsolete coff_section_type. */
static char
{
char c;
+ /* Paranoia... */
+ if (symbol == NULL || symbol->section == NULL)
+ return '?';
+
if (symbol->section && bfd_is_com_section (symbol->section))
- return 'C';
+ {
+ if (symbol->section->flags & SEC_SMALL_DATA)
+ return 'c';
+ else
+ return 'C';
+ }
if (bfd_is_und_section (symbol->section))
{
if (symbol->flags & BSF_WEAK)
Returns zero otherwise.
SYNOPSIS
- bfd_boolean bfd_is_undefined_symclass (int symclass);
+ bool bfd_is_undefined_symclass (int symclass);
*/
-bfd_boolean
+bool
bfd_is_undefined_symclass (int symclass)
{
return symclass == 'U' || symclass == 'w' || symclass == 'v';
bfd_copy_private_symbol_data
SYNOPSIS
- bfd_boolean bfd_copy_private_symbol_data
+ bool bfd_copy_private_symbol_data
(bfd *ibfd, asymbol *isym, bfd *obfd, asymbol *osym);
DESCRIPTION
long
_bfd_generic_read_minisymbols (bfd *abfd,
- bfd_boolean dynamic,
+ bool dynamic,
void **minisymsp,
unsigned int *sizep)
{
error_return:
bfd_set_error (bfd_error_no_symbols);
- if (syms != NULL)
- free (syms);
+ free (syms);
return -1;
}
asymbol *
_bfd_generic_minisymbol_to_symbol (bfd *abfd ATTRIBUTE_UNUSED,
- bfd_boolean dynamic ATTRIBUTE_UNUSED,
+ bool dynamic ATTRIBUTE_UNUSED,
const void *minisym,
asymbol *sym ATTRIBUTE_UNUSED)
{
char *directory_name;
char *file_name;
char *function_name;
+ int idx;
};
/* Compare two indexentry structures. This is called via qsort. */
if (contestantA->val < contestantB->val)
return -1;
- else if (contestantA->val > contestantB->val)
+ if (contestantA->val > contestantB->val)
return 1;
- else
- return 0;
+ return contestantA->idx - contestantB->idx;
}
/* A pointer to this structure is stored in *pinfo. */
char *filename;
};
-bfd_boolean
+bool
_bfd_stab_section_find_nearest_line (bfd *abfd,
asymbol **symbols,
asection *section,
bfd_vma offset,
- bfd_boolean *pfound,
+ bool *pfound,
const char **pfilename,
const char **pfnname,
unsigned int *pline,
struct indexentry *indexentry;
char *file_name;
char *directory_name;
- bfd_boolean saw_line, saw_func;
+ bool saw_line, saw_func;
- *pfound = FALSE;
+ *pfound = false;
*pfilename = bfd_get_filename (abfd);
*pfnname = NULL;
*pline = 0;
if (info->stabsec == NULL || info->strsec == NULL)
{
/* No stabs debugging information. */
- return TRUE;
+ return true;
}
stabsize = (info->stabsec->rawsize
info = (struct stab_find_info *) bfd_zalloc (abfd, amt);
if (info == NULL)
- return FALSE;
+ return false;
/* FIXME: When using the linker --split-by-file or
--split-by-reloc options, it is possible for the .stab and
/* No stabs debugging information. Set *pinfo so that we
can return quickly in the info != NULL case above. */
*pinfo = info;
- return TRUE;
+ return true;
}
}
info->stabs = (bfd_byte *) bfd_alloc (abfd, stabsize);
info->strs = (bfd_byte *) bfd_alloc (abfd, strsize);
if (info->stabs == NULL || info->strs == NULL)
- return FALSE;
+ return false;
if (! bfd_get_section_contents (abfd, info->stabsec, info->stabs,
0, stabsize)
|| ! bfd_get_section_contents (abfd, info->strsec, info->strs,
0, strsize))
- return FALSE;
+ return false;
/* Stab strings ought to be nul terminated. Ensure the last one
is, to prevent running off the end of the buffer. */
this should be no big deal. */
reloc_size = bfd_get_reloc_upper_bound (abfd, info->stabsec);
if (reloc_size < 0)
- return FALSE;
+ return false;
reloc_vector = (arelent **) bfd_malloc (reloc_size);
if (reloc_vector == NULL && reloc_size != 0)
- return FALSE;
+ return false;
reloc_count = bfd_canonicalize_reloc (abfd, info->stabsec, reloc_vector,
symbols);
if (reloc_count < 0)
{
- if (reloc_vector != NULL)
- free (reloc_vector);
- return FALSE;
+ free (reloc_vector);
+ return false;
}
if (reloc_count > 0)
{
arelent *r;
unsigned long val;
asymbol *sym;
+ bfd_size_type octets;
r = *pr;
/* Ignore R_*_NONE relocs. */
if (r->howto->dst_mask == 0)
continue;
+ octets = r->address * bfd_octets_per_byte (abfd, NULL);
if (r->howto->rightshift != 0
|| r->howto->size != 2
|| r->howto->bitsize != 32
|| r->howto->pc_relative
|| r->howto->bitpos != 0
|| r->howto->dst_mask != 0xffffffff
- || r->address * bfd_octets_per_byte (abfd) + 4 > stabsize)
+ || octets + 4 > stabsize)
{
_bfd_error_handler
(_("unsupported .stab relocation"));
bfd_set_error (bfd_error_invalid_operation);
- if (reloc_vector != NULL)
- free (reloc_vector);
- return FALSE;
+ free (reloc_vector);
+ return false;
}
- val = bfd_get_32 (abfd, info->stabs
- + r->address * bfd_octets_per_byte (abfd));
+ val = bfd_get_32 (abfd, info->stabs + octets);
val &= r->howto->src_mask;
sym = *r->sym_ptr_ptr;
val += sym->value + sym->section->vma + r->addend;
- bfd_put_32 (abfd, (bfd_vma) val, info->stabs
- + r->address * bfd_octets_per_byte (abfd));
+ bfd_put_32 (abfd, (bfd_vma) val, info->stabs + octets);
}
}
- if (reloc_vector != NULL)
- free (reloc_vector);
+ free (reloc_vector);
/* First time through this function, build a table matching
function VM addresses to stabs, then sort based on starting
++info->indextablesize;
if (info->indextablesize == 0)
- return TRUE;
+ return true;
++info->indextablesize;
amt = info->indextablesize;
amt *= sizeof (struct indexentry);
info->indextable = (struct indexentry *) bfd_alloc (abfd, amt);
if (info->indextable == NULL)
- return FALSE;
+ return false;
file_name = NULL;
directory_name = NULL;
info->indextable[i].directory_name = directory_name;
info->indextable[i].file_name = file_name;
info->indextable[i].function_name = NULL;
+ info->indextable[i].idx = i;
++i;
}
info->indextable[i].directory_name = directory_name;
info->indextable[i].file_name = file_name;
info->indextable[i].function_name = function_name;
+ info->indextable[i].idx = i;
++i;
break;
}
info->indextable[i].directory_name = directory_name;
info->indextable[i].file_name = file_name;
info->indextable[i].function_name = NULL;
+ info->indextable[i].idx = i;
++i;
}
info->indextable[i].directory_name = NULL;
info->indextable[i].file_name = NULL;
info->indextable[i].function_name = NULL;
+ info->indextable[i].idx = i;
++i;
info->indextablesize = i;
/* We are passed a section relative offset. The offsets in the
stabs information are absolute. */
- offset += bfd_get_section_vma (abfd, section);
+ offset += bfd_section_vma (section);
#ifdef ENABLE_CACHING
if (info->cached_indexentry != NULL
}
if (indexentry == NULL)
- return TRUE;
+ return true;
stab = indexentry->stab + STABSIZE;
file_name = indexentry->file_name;
directory_name = indexentry->directory_name;
str = indexentry->str;
- saw_line = FALSE;
- saw_func = FALSE;
+ saw_line = false;
+ saw_func = false;
for (; stab < (indexentry+1)->stab; stab += STABSIZE)
{
- bfd_boolean done;
+ bool done;
bfd_vma val;
- done = FALSE;
+ done = false;
switch (stab[TYPEOFF])
{
#endif
}
if (val > offset)
- done = TRUE;
- saw_line = TRUE;
+ done = true;
+ saw_line = true;
break;
case N_FUN:
case N_SO:
if (saw_func || saw_line)
- done = TRUE;
- saw_func = TRUE;
+ done = true;
+ saw_func = true;
break;
}
break;
}
- *pfound = TRUE;
+ *pfound = true;
if (file_name == NULL || IS_ABSOLUTE_PATH (file_name)
|| directory_name == NULL)
len = strlen (file_name) + 1;
info->filename = (char *) bfd_alloc (abfd, dirlen + len);
if (info->filename == NULL)
- return FALSE;
+ return false;
memcpy (info->filename, directory_name, dirlen);
memcpy (info->filename + dirlen, file_name, len);
}
*pfnname = indexentry->function_name;
}
- return TRUE;
+ return true;
}
long
const char *
_bfd_nosymbols_get_symbol_version_string (bfd *abfd,
asymbol *symbol ATTRIBUTE_UNUSED,
- bfd_boolean *hidden ATTRIBUTE_UNUSED)
+ bool base_p ATTRIBUTE_UNUSED,
+ bool *hidden ATTRIBUTE_UNUSED)
{
return (const char *) _bfd_ptr_bfd_null_error (abfd);
}
-bfd_boolean
+bool
_bfd_nosymbols_bfd_is_local_label_name (bfd *abfd ATTRIBUTE_UNUSED,
const char *name ATTRIBUTE_UNUSED)
{
- return FALSE;
+ return false;
}
alent *
return (alent *) _bfd_ptr_bfd_null_error (abfd);
}
-bfd_boolean
+bool
_bfd_nosymbols_find_nearest_line
(bfd *abfd,
asymbol **symbols ATTRIBUTE_UNUSED,
return _bfd_bool_bfd_false_error (abfd);
}
-bfd_boolean
+bool
_bfd_nosymbols_find_line (bfd *abfd,
asymbol **symbols ATTRIBUTE_UNUSED,
asymbol *symbol ATTRIBUTE_UNUSED,
return _bfd_bool_bfd_false_error (abfd);
}
-bfd_boolean
+bool
_bfd_nosymbols_find_inliner_info
(bfd *abfd,
const char **filename_ptr ATTRIBUTE_UNUSED,
long
_bfd_nosymbols_read_minisymbols (bfd *abfd,
- bfd_boolean dynamic ATTRIBUTE_UNUSED,
+ bool dynamic ATTRIBUTE_UNUSED,
void **minisymsp ATTRIBUTE_UNUSED,
unsigned int *sizep ATTRIBUTE_UNUSED)
{
asymbol *
_bfd_nosymbols_minisymbol_to_symbol (bfd *abfd,
- bfd_boolean dynamic ATTRIBUTE_UNUSED,
+ bool dynamic ATTRIBUTE_UNUSED,
const void *minisym ATTRIBUTE_UNUSED,
asymbol *sym ATTRIBUTE_UNUSED)
{
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