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authorFederico G. Schwindt <fgsch@cvs.openbsd.org>2002-05-13 17:07:46 +0000
committerFederico G. Schwindt <fgsch@cvs.openbsd.org>2002-05-13 17:07:46 +0000
commitc866442bb5e16be2b5323fee961ceb1315393514 (patch)
treef12f495081042abe1a40d83bf05d076ff8aa8a17 /gnu/usr.bin/binutils/bfd/coffgen.c
parent99d2ba46f95f9f99286b4c66576c4607669b0e7f (diff)
resolve conflicts.
Diffstat (limited to 'gnu/usr.bin/binutils/bfd/coffgen.c')
-rw-r--r--gnu/usr.bin/binutils/bfd/coffgen.c103
1 files changed, 64 insertions, 39 deletions
diff --git a/gnu/usr.bin/binutils/bfd/coffgen.c b/gnu/usr.bin/binutils/bfd/coffgen.c
index f2410d919d9..82bfdc82c12 100644
--- a/gnu/usr.bin/binutils/bfd/coffgen.c
+++ b/gnu/usr.bin/binutils/bfd/coffgen.c
@@ -1,5 +1,6 @@
/* Support for the generic parts of COFF, for BFD.
- Copyright 1990, 91, 92, 93, 94, 95, 96, 97, 98, 1999, 2000
+ Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+ 2000, 2001
Free Software Foundation, Inc.
Written by Cygnus Support.
@@ -60,7 +61,7 @@ static void coff_pointerize_aux
static 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 *,
+ PARAMS ((bfd *, unsigned, struct internal_filehdr *,
struct internal_aouthdr *));
static void fixup_symbol_value
PARAMS ((bfd *, coff_symbol_type *, struct internal_syment *));
@@ -212,7 +213,7 @@ coff_real_object_p (abfd, nscns, internal_f, internal_a)
goto fail;
/* Set the arch/mach *before* swapping in sections; section header swapping
- may depend on arch/mach info. */
+ may depend on arch/mach info. */
if (bfd_coff_set_arch_mach_hook (abfd, (PTR) internal_f) == false)
goto fail;
@@ -340,7 +341,6 @@ coff_get_symtab_upper_bound (abfd)
return (bfd_get_symcount (abfd) + 1) * (sizeof (coff_symbol_type *));
}
-
/* Canonicalize a COFF symbol table. */
long
@@ -525,7 +525,7 @@ coff_count_linenumbers (abfd)
{
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);
@@ -558,13 +558,12 @@ coff_count_linenumbers (abfd)
/* 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 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)
@@ -608,8 +607,11 @@ fixup_symbol_value (abfd, coff_symbol_ptr, syment)
syment->n_value = (coff_symbol_ptr->symbol.value
+ coff_symbol_ptr->symbol.section->output_offset);
if (! obj_pe (abfd))
- syment->n_value +=
- coff_symbol_ptr->symbol.section->output_section->vma;
+ {
+ 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
{
@@ -689,7 +691,7 @@ coff_renumber_symbols (bfd_ptr, first_undef)
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;
@@ -816,7 +818,16 @@ coff_fix_symbol_name (abfd, symbol, native, string_size_p,
{
unsigned int filnmlen;
- strncpy (native->u.syment._n._n_name, ".file", SYMNMLEN);
+ 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);
@@ -843,7 +854,7 @@ coff_fix_symbol_name (abfd, symbol, native, string_size_p,
}
else
{
- 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);
@@ -858,7 +869,8 @@ coff_fix_symbol_name (abfd, symbol, native, string_size_p,
else
{
long filepos;
- bfd_byte buf[2];
+ 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
@@ -868,24 +880,29 @@ coff_fix_symbol_name (abfd, symbol, native, string_size_p,
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, name_length + 1, buf);
+ else
+ bfd_put_16 (abfd, name_length + 1, buf);
+
if (!bfd_set_section_contents (abfd,
*debug_string_section_p,
(PTR) buf,
(file_ptr) *debug_string_size_p,
- (bfd_size_type) 2)
+ (bfd_size_type) prefix_len)
|| !bfd_set_section_contents (abfd,
*debug_string_section_p,
(PTR) symbol->name,
((file_ptr) *debug_string_size_p
- + 2),
+ + 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_p + 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_p += name_length + 3;
+ *debug_string_size_p += name_length + 1 + prefix_len;
}
}
}
@@ -1085,7 +1102,7 @@ coff_write_native_symbol (abfd, symbol, written, string_size_p,
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
@@ -1241,7 +1258,7 @@ coff_write_symbols (abfd)
{
/* 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))
@@ -1252,9 +1269,13 @@ coff_write_symbols (abfd)
}
else if (c_symbol->native->u.syment.n_sclass == C_FILE
&& c_symbol->native->u.syment.n_numaux > 0)
- maxlen = bfd_coff_filnmlen (abfd);
+ {
+ if (bfd_coff_force_symnames_in_strings (abfd))
+ bfd_write (".file", 1, 6, abfd);
+ maxlen = bfd_coff_filnmlen (abfd);
+ }
else
- maxlen = SYMNMLEN;
+ maxlen = bfd_coff_force_symnames_in_strings (abfd) ? 0 : SYMNMLEN;
if (name_length > maxlen)
{
@@ -1354,7 +1375,6 @@ coff_write_linenumbers (abfd)
return true;
}
-/*ARGSUSED */
alent *
coff_get_lineno (ignore_abfd, symbol)
bfd *ignore_abfd ATTRIBUTE_UNUSED;
@@ -1465,7 +1485,7 @@ coff_pointerize_aux (abfd, table_base, symbol, indaux, auxent)
/* 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)
@@ -1487,7 +1507,7 @@ build_debug_section (abfd)
if (debug_section == 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. */
@@ -1501,7 +1521,6 @@ build_debug_section (abfd)
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. */
@@ -1589,7 +1608,7 @@ _bfd_coff_read_string_table (abfd)
+ obj_raw_syment_count (abfd) * bfd_coff_symesz (abfd)),
SEEK_SET) != 0)
return NULL;
-
+
if (bfd_read (extstrsize, sizeof extstrsize, 1, abfd) != sizeof extstrsize)
{
if (bfd_get_error () != bfd_error_file_truncated)
@@ -1790,7 +1809,7 @@ coff_get_normalized_symtab (abfd)
{
break;
} /* if end of string */
- } /* possible lengths of this string. */
+ } /* possible lengths of this string. */
if ((newstring = (PTR) bfd_alloc (abfd, ++i)) == NULL)
return (NULL);
@@ -1888,7 +1907,6 @@ coff_bfd_make_debug_symbol (abfd, ptr, sz)
return &new->symbol;
}
-/*ARGSUSED */
void
coff_get_symbol_info (abfd, symbol, ret)
bfd *abfd;
@@ -2141,7 +2159,7 @@ _bfd_coff_is_local_label_name (abfd, name)
/* 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, symbols, offset, filename_ptr,
functionname_ptr, line_ptr)
@@ -2168,17 +2186,25 @@ coff_find_nearest_line (abfd, section, symbols, offset, filename_ptr,
if (! _bfd_stab_section_find_nearest_line (abfd, symbols, section, offset,
&found, filename_ptr,
functionname_ptr, line_ptr,
- &coff_data (abfd)->line_info))
+ &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)
+ if (!bfd_family_coff (abfd))
return false;
if (cof == NULL)
@@ -2385,7 +2411,7 @@ bfd_coff_set_symbol_class (abfd, symbol, class)
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;
native = (combined_entry_type *) bfd_alloc (abfd, sizeof (* native));
@@ -2393,10 +2419,10 @@ bfd_coff_set_symbol_class (abfd, symbol, class)
return false;
memset (native, 0, sizeof (* native));
-
+
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;
@@ -2415,19 +2441,18 @@ bfd_coff_set_symbol_class (abfd, symbol, class)
+ 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.
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;
}
-