/* Support for the generic parts of COFF, for BFD.
- Copyright (C) 1990-2018 Free Software Foundation, Inc.
+ Copyright (C) 1990-2019 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
coff_data (abfd). */
#include "sysdep.h"
+#include <limits.h>
#include "bfd.h"
#include "libbfd.h"
#include "coff/internal.h"
combined_entry_type *table_base,
combined_entry_type *symbol,
unsigned int indaux,
- combined_entry_type *auxent)
+ combined_entry_type *auxent,
+ combined_entry_type *table_end)
{
unsigned int type = symbol->u.syment.n_type;
unsigned int n_sclass = symbol->u.syment.n_sclass;
if ((ISFCN (type) || ISTAG (n_sclass) || n_sclass == C_BLOCK
|| n_sclass == C_FCN)
- && auxent->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.l > 0)
+ && auxent->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.l > 0
+ && auxent->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.l
+ < (long) obj_raw_syment_count (abfd)
+ && table_base + auxent->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.l
+ < table_end)
{
auxent->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.p =
table_base + auxent->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.l;
auxent->fix_end = 1;
}
+
/* A negative tagndx is meaningless, but the SCO 3.2v4 cc can
generate one, so we must be careful to ignore it. */
if ((unsigned long) auxent->u.auxent.x_sym.x_tagndx.l
- < obj_raw_syment_count (abfd))
+ < obj_raw_syment_count (abfd)
+ && table_base + auxent->u.auxent.x_sym.x_tagndx.l < table_end)
{
auxent->u.auxent.x_sym.x_tagndx.p =
table_base + auxent->u.auxent.x_sym.x_tagndx.l;
internal_ptr->is_sym = FALSE;
coff_pointerize_aux (abfd, internal, symbol_ptr, i,
- internal_ptr);
+ internal_ptr, internal_end);
}
}
bfd_set_error (bfd_error_invalid_operation);
return -1;
}
+#if SIZEOF_LONG == SIZEOF_INT
+ if (asect->reloc_count >= LONG_MAX / sizeof (arelent *))
+ {
+ bfd_set_error (bfd_error_file_too_big);
+ return -1;
+ }
+#endif
return (asect->reloc_count + 1) * sizeof (arelent *);
}
information. So try again, using a bias against the address sought. */
if (coff_data (abfd)->dwarf2_find_line_info != NULL)
{
- bfd_signed_vma bias;
+ bfd_signed_vma bias = 0;
/* Create a cache of the result for the next call. */
if (sec_data == NULL && section->owner == abfd)
if (sec_data != NULL && sec_data->saved_bias)
bias = sec_data->saved_bias;
- else
+ else if (symbols)
{
bias = _bfd_dwarf2_find_symbol_bias (symbols,
& coff_data (abfd)->dwarf2_find_line_info);
+
if (sec_data)
{
sec_data->saved_bias = TRUE;
struct bfd_section_already_linked_hash_entry *already_linked_list;
struct coff_comdat_info *s_comdat;
+ if (sec->output_section == bfd_abs_section_ptr)
+ return FALSE;
+
flags = sec->flags;
if ((flags & SEC_LINK_ONCE) == 0)
return FALSE;
if (info->print_gc_sections && o->size != 0)
/* xgettext: c-format */
- _bfd_error_handler (_("Removing unused section '%pA' in file '%pB'"),
+ _bfd_error_handler (_("removing unused section '%pA' in file '%pB'"),
o, sub);
#if 0
if (!bed->can_gc_sections
|| !is_coff_hash_table (info->hash))
{
- _bfd_error_handler(_("Warning: gc-sections option ignored"));
+ _bfd_error_handler(_("warning: gc-sections option ignored"));
return TRUE;
}
#endif