/* Support for the generic parts of PE/PEI; the common executable parts.
- Copyright (C) 1995-2014 Free Software Foundation, Inc.
+ Copyright (C) 1995-2016 Free Software Foundation, Inc.
Written by Cygnus Solutions.
This file is part of BFD, the Binary File Descriptor library.
#include "libbfd.h"
#include "coff/internal.h"
#include "bfdver.h"
+#include "libiberty.h"
#ifdef HAVE_WCHAR_H
#include <wchar.h>
#endif
+#ifdef HAVE_WCTYPE_H
+#include <wctype.h>
+#endif
/* NOTE: it's strange to be including an architecture specific header
in what's supposed to be general (to PE/PEI) code. However, that's
memcpy (in->_n._n_name, ext->e.e_name, SYMNMLEN);
in->n_value = H_GET_32 (abfd, ext->e_value);
- in->n_scnum = H_GET_16 (abfd, ext->e_scnum);
+ in->n_scnum = (short) H_GET_16 (abfd, ext->e_scnum);
if (sizeof (ext->e_type) == 2)
in->n_type = H_GET_16 (abfd, ext->e_type);
as the worst that can happen is that some absolute symbols are
needlessly converted into section relative symbols. */
&& in->n_value > ((1ULL << (sizeof (in->n_value) > 4 ? 32 : 31)) - 1)
- && in->n_scnum == -1)
+ && in->n_scnum == N_ABS)
{
asection * sec;
(*_bfd_error_handler)
(_("%B: aout header specifies an invalid number of data-directory entries: %d"),
abfd, a->NumberOfRvaAndSizes);
+ bfd_set_error (bfd_error_bad_value);
+
/* Paranoia: If the number is corrupt, then assume that the
actual entries themselves might be corrupt as well. */
a->NumberOfRvaAndSizes = 0;
}
if (coff_data (abfd)->link_info
- && ! coff_data (abfd)->link_info->relocatable
- && ! coff_data (abfd)->link_info->shared
+ && ! bfd_link_relocatable (coff_data (abfd)->link_info)
+ && ! bfd_link_pic (coff_data (abfd)->link_info)
&& strcmp (scnhdr_int->s_name, ".text") == 0)
{
/* By inference from looking at MS output, the 32 bit field
return sizeof (struct external_IMAGE_DEBUG_DIRECTORY);
}
-static CODEVIEW_INFO *
+CODEVIEW_INFO *
_bfd_XXi_slurp_codeview_record (bfd * abfd, file_ptr where, unsigned long length, CODEVIEW_INFO *cvinfo)
{
char buffer[256+1];
/* Ensure null termination of filename. */
buffer[256] = '\0';
- cvinfo->CVSignature = H_GET_32(abfd, buffer);
+ cvinfo->CVSignature = H_GET_32 (abfd, buffer);
cvinfo->Age = 0;
if ((cvinfo->CVSignature == CVINFO_PDB70_CVSIGNATURE)
unsigned int
_bfd_XXi_write_codeview_record (bfd * abfd, file_ptr where, CODEVIEW_INFO *cvinfo)
{
- unsigned int size = sizeof (CV_INFO_PDB70) + 1;
+ const bfd_size_type size = sizeof (CV_INFO_PDB70) + 1;
+ bfd_size_type written;
CV_INFO_PDB70 *cvinfo70;
- char buffer[size];
+ char * buffer;
if (bfd_seek (abfd, where, SEEK_SET) != 0)
return 0;
+ buffer = xmalloc (size);
cvinfo70 = (CV_INFO_PDB70 *) buffer;
H_PUT_32 (abfd, CVINFO_PDB70_CVSIGNATURE, cvinfo70->CvSignature);
H_PUT_32 (abfd, cvinfo->Age, cvinfo70->Age);
cvinfo70->PdbFileName[0] = '\0';
- if (bfd_bwrite (buffer, size, abfd) != size)
- return 0;
+ written = bfd_bwrite (buffer, size, abfd);
+
+ free (buffer);
- return size;
+ return written == size ? size : 0;
}
static char * dir_names[IMAGE_NUMBEROF_DIRECTORY_ENTRIES] =
/* PR 17512: Handle corrupt PE binaries. */
if (edt.eat_addr + (edt.num_functions * 4) - adj >= datasize
+ /* PR 17512: file: 092b1829 */
+ || (edt.num_functions * 4) < edt.num_functions
/* PR 17512 file: 140-165018-0.004. */
|| data + edt.eat_addr - adj < data)
fprintf (file, _("\tInvalid Export Address Table rva (0x%lx) or entry count (0x%lx)\n"),
/* PR 17512: Handle corrupt PE binaries. */
if (edt.npt_addr + (edt.num_names * 4) - adj >= datasize
+ /* PR 17512: file: bb68816e. */
+ || edt.num_names * 4 < edt.num_names
|| (data + edt.npt_addr - adj) < data)
fprintf (file, _("\tInvalid Name Pointer Table rva (0x%lx) or entry count (0x%lx)\n"),
(long) edt.npt_addr,
if (storage < 0)
return NULL;
if (storage)
- sy = (asymbol **) bfd_malloc (storage);
+ {
+ sy = (asymbol **) bfd_malloc (storage);
+ if (sy == NULL)
+ return NULL;
+ }
psc->symcount = bfd_canonicalize_symtab (abfd, sy);
if (psc->symcount < 0)
{
int j;
bfd_vma virtual_address;
- long number, size;
+ unsigned long number, size;
bfd_byte *chunk_end;
/* The .reloc section is a sequence of blocks, with a header consisting
fprintf (file,
_("\nVirtual Address: %08lx Chunk size %ld (0x%lx) Number of fixups %ld\n"),
- (unsigned long) virtual_address, size, (unsigned long) size, number);
+ (unsigned long) virtual_address, size, size, number);
chunk_end = p + size;
if (chunk_end > end)
bfd_vma rva_bias)
{
unsigned long entry, addr, size;
+ bfd_byte * leaf;
if (data + 8 >= regions->section_end)
return regions->section_end + 1;
regions, rva_bias);
}
- if (regions->section_start + entry + 16 >= regions->section_end)
+ leaf = regions->section_start + entry;
+
+ if (leaf + 16 >= regions->section_end
+ /* PR 17512: file: 055dff7e. */
+ || leaf < regions->section_start)
return regions->section_end + 1;
fprintf (file, _("%03x %*.s Leaf: Addr: %#08lx, Size: %#08lx, Codepage: %d\n"),
- (int) (entry),
- indent, " ",
- addr = (long) bfd_get_32 (abfd, regions->section_start + entry),
- size = (long) bfd_get_32 (abfd, regions->section_start + entry + 4),
- (int) bfd_get_32 (abfd, regions->section_start + entry + 8));
+ (int) (entry), indent, " ",
+ addr = (long) bfd_get_32 (abfd, leaf),
+ size = (long) bfd_get_32 (abfd, leaf + 4),
+ (int) bfd_get_32 (abfd, leaf + 8));
/* Check that the reserved entry is 0. */
- if (bfd_get_32 (abfd, regions->section_start + entry + 12) != 0
+ if (bfd_get_32 (abfd, leaf + 12) != 0
/* And that the data address/size is valid too. */
|| (regions->section_start + (addr - rva_bias) + size > regions->section_end))
return regions->section_end + 1;
if (regions.resource_start != NULL)
fprintf (file, " Resources start at offset: %#03x\n",
(int) (regions.resource_start - regions.section_start));
-
+
free (regions.section_start);
return TRUE;
}
if (idd.Type == PE_IMAGE_DEBUG_TYPE_CODEVIEW)
{
char signature[CV_INFO_SIGNATURE_LENGTH * 2 + 1];
- char buffer[256 + 1];
+ /* PR 17512: file: 065-29434-0.001:0.1
+ We need to use a 32-bit aligned buffer
+ to safely read in a codeview record. */
+ char buffer[256 + 1] ATTRIBUTE_ALIGNED_ALIGNOF (CODEVIEW_INFO);
+
CODEVIEW_INFO *cvinfo = (CODEVIEW_INFO *) buffer;
/* The debug entry doesn't have to have to be in a section,
struct external_IMAGE_DEBUG_DIRECTORY *dd =
(struct external_IMAGE_DEBUG_DIRECTORY *)(data + (addr - section->vma));
+ /* PR 17512: file: 0f15796a. */
+ if (ope->pe_opthdr.DataDirectory[PE_DEBUG_DATA].Size + (addr - section->vma)
+ > bfd_get_section_size (section))
+ {
+ _bfd_error_handler (_("%B: Data Directory size (%lx) exceeds space left in section (%lx)"),
+ obfd, ope->pe_opthdr.DataDirectory[PE_DEBUG_DATA].Size,
+ bfd_get_section_size (section) - (addr - section->vma));
+ return FALSE;
+ }
+
for (i = 0; i < ope->pe_opthdr.DataDirectory[PE_DEBUG_DATA].Size
/ sizeof (struct external_IMAGE_DEBUG_DIRECTORY); i++)
{
}
if (!bfd_set_section_contents (obfd, section, data, 0, section->size))
- _bfd_error_handler (_("Failed to update file offsets in debug directory"));
+ {
+ _bfd_error_handler (_("Failed to update file offsets in debug directory"));
+ return FALSE;
+ }
}
+ else if (section)
+ {
+ _bfd_error_handler (_("%B: Failed to read debug data section"), obfd);
+ return FALSE;
+ }
}
return TRUE;
if (entry->value.leaf == NULL)
return dataend;
- addr = bfd_get_32 (abfd, datastart + val);
- size = entry->value.leaf->size = bfd_get_32 (abfd, datastart + val + 4);
- entry->value.leaf->codepage = bfd_get_32 (abfd, datastart + val + 8);
+ data = datastart + val;
+ if (data < datastart || data >= dataend)
+ return dataend;
+
+ addr = bfd_get_32 (abfd, data);
+ size = entry->value.leaf->size = bfd_get_32 (abfd, data + 4);
+ entry->value.leaf->codepage = bfd_get_32 (abfd, data + 8);
+ /* FIXME: We assume that the reserved field (data + 12) is OK. */
entry->value.leaf->data = bfd_malloc (size);
if (entry->value.leaf->data == NULL)
sizeof_tables_and_entries += 8;
sizeof_strings += (entry->name_id.name.len + 1) * 2;
-
+
if (entry->is_dir)
rsrc_compute_region_sizes (entry->value.directory);
else
putting its 'ucs4_t' representation in *PUC. */
static unsigned int
+#if defined HAVE_WCTYPE_H
+u16_mbtouc (wint_t * puc, const unsigned short * s, unsigned int n)
+#else
u16_mbtouc (wchar_t * puc, const unsigned short * s, unsigned int n)
+#endif
{
unsigned short c = * s;
#elif defined HAVE_WCHAR_H
{
unsigned int i;
+
res = 0;
for (i = min (alen, blen); i--; astring += 2, bstring += 2)
{
+#if defined HAVE_WCTYPE_H
+ wint_t awc;
+ wint_t bwc;
+#else
wchar_t awc;
wchar_t bwc;
+#endif
- /* Convert UTF-16 unicode characters into wchar_t characters so
- that we can then perform a case insensitive comparison. */
- int Alen = u16_mbtouc (& awc, (const unsigned short *) astring, 2);
- int Blen = u16_mbtouc (& bwc, (const unsigned short *) bstring, 2);
+ /* Convert UTF-16 unicode characters into wchar_t characters
+ so that we can then perform a case insensitive comparison. */
+ unsigned int Alen = u16_mbtouc (& awc, (const unsigned short *) astring, 2);
+ unsigned int Blen = u16_mbtouc (& bwc, (const unsigned short *) bstring, 2);
if (Alen != Blen)
return Alen - Blen;
+
+#ifdef HAVE_WCTYPE_H
+ awc = towlower (awc);
+ bwc = towlower (bwc);
+
+ res = awc - bwc;
+#else
res = wcsncasecmp (& awc, & bwc, 1);
+#endif
if (res)
break;
}
{
asection * rsrc_sec = bfd_get_section_by_name (input, ".rsrc");
- if (rsrc_sec != NULL)
+ /* PR 18372 - skip discarded .rsrc sections. */
+ if (rsrc_sec != NULL && !discarded_section (rsrc_sec))
{
if (num_input_rsrc == max_num_input_rsrc)
{
}
free (tmp_data);
}
+ else
+ result = FALSE;
}
}
#endif
projects / deliverable / binutils-gdb.git / blobdiff