summaryrefslogtreecommitdiffstats
path: root/contrib/binutils/bfd/coffgen.c
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/binutils/bfd/coffgen.c')
-rw-r--r--contrib/binutils/bfd/coffgen.c49
1 files changed, 27 insertions, 22 deletions
diff --git a/contrib/binutils/bfd/coffgen.c b/contrib/binutils/bfd/coffgen.c
index dfcf02a..b5ecbc9 100644
--- a/contrib/binutils/bfd/coffgen.c
+++ b/contrib/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, 1997 Free Software Foundation, Inc.
+ Copyright 1990, 91, 92, 93, 94, 95, 96, 97, 1998
+ Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
@@ -62,7 +63,7 @@ static const bfd_target *coff_real_object_p
PARAMS ((bfd *, unsigned, struct internal_filehdr *,
struct internal_aouthdr *));
static void fixup_symbol_value
- PARAMS ((coff_symbol_type *, struct internal_syment *));
+ PARAMS ((bfd *, coff_symbol_type *, struct internal_syment *));
static char *build_debug_section
PARAMS ((bfd *));
static char *copy_name
@@ -283,18 +284,14 @@ coff_object_p (abfd)
opthdr = bfd_alloc (abfd, aoutsz);
if (opthdr == NULL)
return 0;;
- if (bfd_read (opthdr, 1, aoutsz, abfd) != aoutsz)
+ if (bfd_read (opthdr, 1, internal_f.f_opthdr, abfd)
+ != internal_f.f_opthdr)
{
return 0;
}
- bfd_coff_swap_aouthdr_in (abfd, opthdr, (PTR) & internal_a);
+ bfd_coff_swap_aouthdr_in (abfd, opthdr, (PTR) &internal_a);
}
- /* 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
@@ -575,7 +572,8 @@ coff_symbol_from (ignore_abfd, symbol)
}
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;
{
@@ -603,10 +601,11 @@ fixup_symbol_value (coff_symbol_ptr, syment)
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 +=
+ coff_symbol_ptr->symbol.section->output_section->vma;
}
else
{
@@ -702,7 +701,7 @@ coff_renumber_symbols (bfd_ptr, first_undef)
/* 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++;
@@ -1017,8 +1016,9 @@ coff_write_alien_symbol (abfd, symbol, written, string_size_p,
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.
FIXME: Why? */
@@ -1417,8 +1417,8 @@ coff_pointerize_aux (abfd, table_base, symbol, indaux, auxent)
unsigned int indaux;
combined_entry_type *auxent;
{
- int type = symbol->u.syment.n_type;
- int class = symbol->u.syment.n_sclass;
+ 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)
{
@@ -2146,6 +2146,9 @@ coff_find_nearest_line (abfd, section, symbols, offset, filename_ptr,
/* Find the first C_FILE symbol. */
p = cof->raw_syments;
+ if (!p)
+ return false;
+
pend = p + cof->raw_syment_count;
while (p < pend)
{
@@ -2156,9 +2159,11 @@ coff_find_nearest_line (abfd, section, symbols, offset, filename_ptr,
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)
@@ -2182,11 +2187,11 @@ coff_find_nearest_line (abfd, section, symbols, offset, filename_ptr,
}
if (p2 < pend
- && offset >= (bfd_vma) p2->u.syment.n_value
- && offset - (bfd_vma) 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
@@ -2253,7 +2258,7 @@ coff_find_nearest_line (abfd, section, symbols, offset, filename_ptr,
}
else
{
- if (l->u.offset + bfd_get_section_vma (abfd, section) > offset)
+ if (l->u.offset > offset)
break;
*line_ptr = l->line_number + line_base - 1;
}
OpenPOWER on IntegriCloud