/* Support for the generic parts of COFF, for BFD.
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001
+ 2000, 2001, 2002
Free Software Foundation, Inc.
Written by Cygnus Support.
static void coff_fix_symbol_name
PARAMS ((bfd *, asymbol *, combined_entry_type *, bfd_size_type *,
asection **, bfd_size_type *));
-static boolean coff_write_symbol
+static bfd_boolean coff_write_symbol
PARAMS ((bfd *, asymbol *, combined_entry_type *, bfd_vma *,
bfd_size_type *, asection **, bfd_size_type *));
-static boolean coff_write_alien_symbol
+static bfd_boolean coff_write_alien_symbol
PARAMS ((bfd *, asymbol *, bfd_vma *, bfd_size_type *,
asection **, bfd_size_type *));
-static boolean coff_write_native_symbol
+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 boolean make_a_section_from_file
+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 *,
/* 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;
- boolean result = true;
+ bfd_boolean result = TRUE;
flagword flags;
name = NULL;
{
strings = _bfd_coff_read_string_table (abfd);
if (strings == NULL)
- return false;
+ 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;
+ return FALSE;
strcpy (name, strings);
}
}
/* 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;
+ 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;
+ return FALSE;
return_section->vma = hdr->s_vaddr;
return_section->lma = hdr->s_paddr;
if (! bfd_coff_styp_to_sec_flags_hook (abfd, hdr, name, return_section,
& flags))
- result = false;
+ result = FALSE;
return_section->flags = flags;
flagword oflags = abfd->flags;
bfd_vma ostart = bfd_get_start_address (abfd);
PTR tdata;
+ 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 = (bfd_size_type) nscns * scnhsz;
/* 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) == false)
+ if (! bfd_coff_set_arch_mach_hook (abfd, (PTR) internal_f))
goto fail;
/* Now copy data as required; construct all asections etc */
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;
filehdr = bfd_alloc (abfd, filhsz);
if (filehdr == NULL)
- return 0;
+ 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;;
+ 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_release (abfd, opthdr);
}
return coff_real_object_p (abfd, nscns, &internal_f,
}
/* Read in and swap the relocs. This returns a buffer holding the
- relocs for section SEC in file ABFD. If CACHE is true and
+ 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
+ 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 *
require_internal, internal_relocs)
bfd *abfd;
asection *sec;
- boolean cache;
+ bfd_boolean cache;
bfd_byte *external_relocs;
- boolean require_internal;
+ bfd_boolean require_internal;
struct internal_reloc *internal_relocs;
{
bfd_size_type relsz;
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);
}
}
}
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;
amt = sizeof (asymbol *) * ((bfd_size_type) symbol_count + 1);
newsyms = (asymbol **) bfd_alloc (bfd_ptr, amt);
if (!newsyms)
- return false;
+ return FALSE;
bfd_ptr->outsymbols = newsyms;
for (i = 0; i < symbol_count; i++)
if ((symbol_ptr_ptr[i]->flags & BSF_NOT_AT_END) != 0
}
obj_conv_table_size (bfd_ptr) = native_index;
- return true;
+ return TRUE;
}
/* Run thorough the symbol table again, and fix it so that all
/* Write a symbol out to a COFF file. */
-static boolean
+static bfd_boolean
coff_write_symbol (abfd, symbol, native, written, string_size_p,
debug_string_section_p, debug_string_size_p)
bfd *abfd;
symesz = bfd_coff_symesz (abfd);
buf = bfd_alloc (abfd, symesz);
if (!buf)
- return false;
+ return FALSE;
bfd_coff_swap_sym_out (abfd, &native->u.syment, buf);
if (bfd_bwrite (buf, symesz, abfd) != symesz)
- return false;
+ 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)
- return false;
+ return FALSE;
for (j = 0; j < native->u.syment.n_numaux; j++)
{
bfd_coff_swap_aux_out (abfd,
native->u.syment.n_numaux,
buf);
if (bfd_bwrite (buf, auxesz, abfd) != auxesz)
- return false;
+ 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
+static bfd_boolean
coff_write_alien_symbol (abfd, symbol, written, string_size_p,
debug_string_section_p, debug_string_size_p)
bfd *abfd;
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
{
/* Write a native symbol to a COFF file. */
-static boolean
+static bfd_boolean
coff_write_native_symbol (abfd, symbol, written, string_size_p,
debug_string_section_p, debug_string_size_p)
bfd *abfd;
#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,
/* Write out the COFF symbols. */
-boolean
+bfd_boolean
coff_write_symbols (abfd)
bfd *abfd;
{
/* 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 (!coff_write_alien_symbol (abfd, symbol, &written, &string_size,
&debug_string_section,
&debug_string_size))
- return false;
+ return FALSE;
}
else
{
if (!coff_write_native_symbol (abfd, c_symbol, &written,
&string_size, &debug_string_section,
&debug_string_size))
- return false;
+ return FALSE;
}
}
#endif
if (bfd_bwrite ((PTR) buffer, (bfd_size_type) sizeof (buffer), abfd)
!= sizeof (buffer))
- return false;
+ return FALSE;
/* Handle long section names. This code must handle section
names just as they are handled in coff_write_object_contents. */
{
if (bfd_bwrite (o->name, (bfd_size_type) (len + 1), abfd)
!= len + 1)
- return false;
+ return FALSE;
}
}
}
if (bfd_coff_force_symnames_in_strings (abfd))
{
if (bfd_bwrite (".file", (bfd_size_type) 6, abfd) != 6)
- return false;
+ return FALSE;
}
maxlen = bfd_coff_filnmlen (abfd);
}
{
if (bfd_bwrite ((PTR) (q->name), (bfd_size_type) name_length + 1,
abfd) != name_length + 1)
- return false;
+ return FALSE;
}
}
}
#endif
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.
1 << debug_string_section->alignment_power)
== bfd_section_size (abfd, debug_string_section))));
- 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)
- 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)
{
bfd_coff_swap_lineno_out (abfd, &out, buff);
if (bfd_bwrite (buff, (bfd_size_type) linesz, abfd)
!= linesz)
- return false;
+ return FALSE;
l++;
while (l->line_number)
{
bfd_coff_swap_lineno_out (abfd, &out, buff);
if (bfd_bwrite (buff, (bfd_size_type) linesz, abfd)
!= linesz)
- return false;
+ return FALSE;
l++;
}
}
}
}
bfd_release (abfd, buff);
- return true;
+ return TRUE;
}
alent *
combined_entry_type e[10];
};
struct foo *f;
- f = (struct foo *) bfd_alloc (abfd, (bfd_size_type) 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;
/* Read in the external symbols. */
-boolean
+bfd_boolean
_bfd_coff_get_external_symbols (abfd)
bfd *abfd;
{
PTR syms;
if (obj_coff_external_syms (abfd) != NULL)
- return true;
+ return TRUE;
symesz = bfd_coff_symesz (abfd);
syms = (PTR) bfd_malloc (size);
if (syms == NULL && size != 0)
- return false;
+ 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;
+ return FALSE;
}
obj_coff_external_syms (abfd) = syms;
- return true;
+ return TRUE;
}
/* Read in the external strings. The strings are not loaded until
/* Free up the external symbols and strings read from a COFF file. */
-boolean
+bfd_boolean
_bfd_coff_free_symbols (abfd)
bfd *abfd;
{
free (obj_coff_strings (abfd));
obj_coff_strings (abfd) = NULL;
}
- return true;
+ return TRUE;
}
/* Read a symbol table into freshly bfd_allocated memory, swap it, and
}
/* Free the raw symbols, but not the strings (if we have them). */
- obj_coff_keep_strings (abfd) = true;
+ obj_coff_keep_strings (abfd) = TRUE;
if (! _bfd_coff_free_symbols (abfd))
return NULL;
if (internal_ptr->u.syment._n._n_name[i] == '\0')
break;
- newstring = (PTR) bfd_alloc (abfd, (bfd_size_type) (i + 1));
+ newstring = (PTR) bfd_zalloc (abfd, (bfd_size_type) (i + 1));
if (newstring == NULL)
return (NULL);
- memset (newstring, 0, i + 1);
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;
bfd *abfd;
{
bfd_size_type amt = sizeof (coff_symbol_type);
- coff_symbol_type *new = (coff_symbol_type *) bfd_alloc (abfd, amt);
+ coff_symbol_type *new = (coff_symbol_type *) bfd_zalloc (abfd, amt);
if (new == NULL)
return (NULL);
- memset (new, 0, sizeof *new);
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;
}
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;
}
/* Return the COFF syment for a symbol. */
-boolean
+bfd_boolean
bfd_coff_get_syment (abfd, symbol, psyment)
bfd *abfd;
asymbol *symbol;
if (csym == NULL || csym->native == NULL)
{
bfd_set_error (bfd_error_invalid_operation);
- return false;
+ return FALSE;
}
*psyment = csym->native->u.syment;
/* FIXME: We should handle fix_line here. */
- return true;
+ return TRUE;
}
/* Return the COFF auxent for a symbol. */
-boolean
+bfd_boolean
bfd_coff_get_auxent (abfd, symbol, indx, pauxent)
bfd *abfd;
asymbol *symbol;
|| indx >= csym->native->u.syment.n_numaux)
{
bfd_set_error (bfd_error_invalid_operation);
- return false;
+ return FALSE;
}
ent = csym->native + indx + 1;
((combined_entry_type *) pauxent->x_csect.x_scnlen.p
- obj_raw_syments (abfd));
- return true;
+ return TRUE;
}
/* Print out information about COFF symbol. */
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"),
+ "AUX tagndx %ld ttlsiz 0x%lx lnnos %ld next %ld",
tagndx, auxp->u.auxent.x_sym.x_misc.x_fsize,
llnos, next);
break;
function for the is_local_label_name entry point, but some may
override it. */
-boolean
+bfd_boolean
_bfd_coff_is_local_label_name (abfd, name)
bfd *abfd ATTRIBUTE_UNUSED;
const char *name;
section, calculate and return the name of the source file and the line
nearest to the wanted location. */
-boolean
+bfd_boolean
coff_find_nearest_line (abfd, section, symbols, offset, filename_ptr,
functionname_ptr, line_ptr)
bfd *abfd;
const char **functionname_ptr;
unsigned int *line_ptr;
{
- boolean found;
+ bfd_boolean found;
unsigned int i;
unsigned int line_base;
coff_data_type *cof = coff_data (abfd);
&found, filename_ptr,
functionname_ptr, line_ptr,
&coff_data(abfd)->line_info))
- return false;
+ return FALSE;
if (found)
- return true;
+ 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;
+ return TRUE;
*filename_ptr = 0;
*functionname_ptr = 0;
/* Don't try and find line numbers in a non coff file */
if (!bfd_family_coff (abfd))
- return false;
+ return FALSE;
if (cof == NULL)
- return false;
+ return FALSE;
/* Find the first C_FILE symbol. */
p = cof->raw_syments;
if (!p)
- return false;
+ return FALSE;
pend = p + cof->raw_syment_count;
while (p < pend)
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);
}
}
/* Change the class of a coff symbol held by BFD. */
-boolean
+bfd_boolean
bfd_coff_set_symbol_class (abfd, symbol, class)
bfd * abfd;
asymbol * symbol;
if (csym == NULL)
{
bfd_set_error (bfd_error_invalid_operation);
- return false;
+ return FALSE;
}
else if (csym->native == NULL)
{
combined_entry_type * native;
bfd_size_type amt = sizeof (* native);
- native = (combined_entry_type *) bfd_alloc (abfd, amt);
+ native = (combined_entry_type *) bfd_zalloc (abfd, amt);
if (native == NULL)
- return false;
-
- memset (native, 0, sizeof (* native));
+ return FALSE;
native->u.syment.n_type = T_NULL;
native->u.syment.n_sclass = class;
csym->native->u.syment.n_sclass = class;
}
- return true;
+ return TRUE;
}
projects / deliverable / binutils-gdb.git / blobdiff