/* 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);
name = _bfd_coff_internal_syment_name (abfd, in, namebuf);
if (name == NULL)
- /* FIXME: Return error. */
- abort ();
+ {
+ _bfd_error_handler (_("%B: unable to find name for empty section"),
+ abfd);
+ bfd_set_error (bfd_error_invalid_target);
+ return;
+ }
+
sec = bfd_get_section_by_name (abfd, name);
if (sec != NULL)
in->n_scnum = sec->target_index;
{
name = (const char *) bfd_alloc (abfd, strlen (namebuf) + 1);
if (name == NULL)
- /* FIXME: Return error. */
- abort ();
+ {
+ _bfd_error_handler (_("%B: out of memory creating name for empty section"),
+ abfd);
+ return;
+ }
strcpy ((char *) name, namebuf);
}
+
flags = SEC_HAS_CONTENTS | SEC_ALLOC | SEC_DATA | SEC_LOAD;
sec = bfd_make_section_anyway_with_flags (abfd, name, flags);
if (sec == NULL)
- /* FIXME: Return error. */
- abort ();
+ {
+ _bfd_error_handler (_("%B: unable to create fake empty section"),
+ abfd);
+ return;
+ }
sec->vma = 0;
sec->lma = 0;
reduce the absolute value to < 1^32, and then transforming the
symbol into a section relative symbol. This of course is a hack. */
if (sizeof (in->n_value) > 4
- && in->n_value > ((1ULL << 32) - 1)
- && in->n_scnum == -1)
+ /* The strange computation of the shift amount is here in order to
+ avoid a compile time warning about the comparison always being
+ false. It does not matter if this test fails to work as expected
+ 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 == N_ABS)
{
asection * sec;
in->n_scnum = sec->target_index;
}
/* else: FIXME: The value is outside the range of any section. This
- happens for __image_base__ and __ImageBase__ and maybe some other
+ happens for __image_base__ and __ImageBase and maybe some other
symbols as well. We should find a way to handle these values. */
}
AUXENT *ext = (AUXENT *) ext1;
union internal_auxent *in = (union internal_auxent *) in1;
+ /* PR 17521: Make sure that all fields in the aux structure
+ are initialised. */
+ memset (in, 0, sizeof * in);
switch (in_class)
{
case C_FILE:
aouthdr_int->entry = GET_AOUTHDR_ENTRY (abfd, aouthdr_ext->entry);
aouthdr_int->text_start =
GET_AOUTHDR_TEXT_START (abfd, aouthdr_ext->text_start);
+
#if !defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64)
/* PE32+ does not have data_start member! */
aouthdr_int->data_start =
{
int idx;
+ /* PR 17512: Corrupt PE binaries can cause seg-faults. */
+ if (a->NumberOfRvaAndSizes > IMAGE_NUMBEROF_DIRECTORY_ENTRIES)
+ {
+ (*_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;
+ }
+
for (idx = 0; idx < a->NumberOfRvaAndSizes; idx++)
{
/* If data directory is empty, rva also should be 0. */
else
a->DataDirectory[idx].VirtualAddress = 0;
}
+
+ while (idx < IMAGE_NUMBEROF_DIRECTORY_ENTRIES)
+ {
+ a->DataDirectory[idx].Size = 0;
+ a->DataDirectory[idx].VirtualAddress = 0;
+ idx ++;
+ }
}
if (aouthdr_int->entry)
{
int idx;
- for (idx = 0; idx < 16; idx++)
+ for (idx = 0; idx < IMAGE_NUMBEROF_DIRECTORY_ENTRIES; idx++)
{
H_PUT_32 (abfd, extra->DataDirectory[idx].VirtualAddress,
aouthdr_out->DataDirectory[idx][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];
if (bfd_bread (buffer, 256, abfd) < 4)
return NULL;
- /* ensure null termination of filename */
+ /* 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)
CV_INFO_PDB70 *cvinfo70 = (CV_INFO_PDB70 *)(buffer);
cvinfo->Age = H_GET_32(abfd, cvinfo70->Age);
- memcpy (cvinfo->Signature, cvinfo70->Signature, CV_INFO_SIGNATURE_LENGTH);
+
+ /* A GUID consists of 4,2,2 byte values in little-endian order, followed
+ by 8 single bytes. Byte swap them so we can conveniently treat the GUID
+ as 16 bytes in big-endian order. */
+ bfd_putb32 (bfd_getl32 (cvinfo70->Signature), cvinfo->Signature);
+ bfd_putb16 (bfd_getl16 (&(cvinfo70->Signature[4])), &(cvinfo->Signature[4]));
+ bfd_putb16 (bfd_getl16 (&(cvinfo70->Signature[6])), &(cvinfo->Signature[6]));
+ memcpy (&(cvinfo->Signature[8]), &(cvinfo70->Signature[8]), 8);
+
cvinfo->SignatureLength = CV_INFO_SIGNATURE_LENGTH;
// cvinfo->PdbFileName = cvinfo70->PdbFileName;
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);
- memcpy (&(cvinfo70->Signature), cvinfo->Signature, CV_INFO_SIGNATURE_LENGTH);
+
+ /* Byte swap the GUID from 16 bytes in big-endian order to 4,2,2 byte values
+ in little-endian order, followed by 8 single bytes. */
+ bfd_putl32 (bfd_getb32 (cvinfo->Signature), cvinfo70->Signature);
+ bfd_putl16 (bfd_getb16 (&(cvinfo->Signature[4])), &(cvinfo70->Signature[4]));
+ bfd_putl16 (bfd_getb16 (&(cvinfo->Signature[6])), &(cvinfo70->Signature[6]));
+ memcpy (&(cvinfo70->Signature[8]), &(cvinfo->Signature[8]), 8);
+
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] =
break;
dll = (char *) data + dll_name - adj;
- fprintf (file, _("\n\tDLL Name: %s\n"), dll);
+ /* PR 17512 file: 078-12277-0.004. */
+ bfd_size_type maxlen = (char *)(data + datasize) - dll - 1;
+ fprintf (file, _("\n\tDLL Name: %.*s\n"), (int) maxlen, dll);
if (hint_addr != 0)
{
#ifdef COFF_WITH_pex64
for (j = 0; idx + j + 8 <= datasize; j += 8)
{
+ bfd_size_type amt;
unsigned long member = bfd_get_32 (abfd, data + idx + j);
unsigned long member_high = bfd_get_32 (abfd, data + idx + j + 4);
if (!member && !member_high)
break;
+ amt = member - adj;
+
if (HighBitSet (member_high))
fprintf (file, "\t%lx%08lx\t %4lx%08lx <none>",
member_high, member,
WithoutHighBit (member_high), member);
+ /* PR binutils/17512: Handle corrupt PE data. */
+ else if (amt + 2 >= datasize)
+ fprintf (file, _("\t<corrupt: 0x%04lx>"), member);
else
{
int ordinal;
char *member_name;
- ordinal = bfd_get_16 (abfd, data + member - adj);
- member_name = (char *) data + member - adj + 2;
- fprintf (file, "\t%04lx\t %4d %s",member, ordinal, member_name);
+ ordinal = bfd_get_16 (abfd, data + amt);
+ member_name = (char *) data + amt + 2;
+ fprintf (file, "\t%04lx\t %4d %.*s",member, ordinal,
+ (int) (datasize - (amt + 2)), member_name);
}
/* If the time stamp is not zero, the import address
#else
for (j = 0; idx + j + 4 <= datasize; j += 4)
{
+ bfd_size_type amt;
unsigned long member = bfd_get_32 (abfd, data + idx + j);
/* Print single IMAGE_IMPORT_BY_NAME vector. */
if (member == 0)
break;
+ amt = member - adj;
if (HighBitSet (member))
fprintf (file, "\t%04lx\t %4lu <none>",
member, WithoutHighBit (member));
+ /* PR binutils/17512: Handle corrupt PE data. */
+ else if (amt + 2 >= datasize)
+ fprintf (file, _("\t<corrupt: 0x%04lx>"), member);
else
{
int ordinal;
char *member_name;
- ordinal = bfd_get_16 (abfd, data + member - adj);
- member_name = (char *) data + member - adj + 2;
- fprintf (file, "\t%04lx\t %4d %s",
- member, ordinal, member_name);
+ ordinal = bfd_get_16 (abfd, data + amt);
+ member_name = (char *) data + amt + 2;
+ fprintf (file, "\t%04lx\t %4d %.*s",
+ member, ordinal,
+ (int) (datasize - (amt + 2)), member_name);
}
/* If the time stamp is not zero, the import address
}
}
+ /* PR 17512: Handle corrupt PE binaries. */
+ if (datasize < 36)
+ {
+ fprintf (file,
+ _("\nThere is an export table in %s, but it is too small (%d)\n"),
+ section->name, (int) datasize);
+ return TRUE;
+ }
+
fprintf (file, _("\nThere is an export table in %s at 0x%lx\n"),
section->name, (unsigned long) addr);
bfd_fprintf_vma (abfd, file, edt.name);
if ((edt.name >= adj) && (edt.name < adj + datasize))
- fprintf (file, " %s\n", data + edt.name - adj);
+ fprintf (file, " %.*s\n",
+ (int) (datasize - (edt.name - adj)),
+ data + edt.name - adj);
else
fprintf (file, "(outside .edata section)\n");
_("\nExport Address Table -- Ordinal Base %ld\n"),
edt.base);
- for (i = 0; i < edt.num_functions; ++i)
+ /* 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"),
+ (long) edt.eat_addr,
+ (long) edt.num_functions);
+ else for (i = 0; i < edt.num_functions; ++i)
{
bfd_vma eat_member = bfd_get_32 (abfd,
data + edt.eat_addr + (i * 4) - adj);
/* This rva is to a name (forwarding function) in our section. */
/* Should locate a function descriptor. */
fprintf (file,
- "\t[%4ld] +base[%4ld] %04lx %s -- %s\n",
+ "\t[%4ld] +base[%4ld] %04lx %s -- %.*s\n",
(long) i,
(long) (i + edt.base),
(unsigned long) eat_member,
_("Forwarder RVA"),
+ (int)(datasize - (eat_member - adj)),
data + eat_member - adj);
}
else
fprintf (file,
_("\n[Ordinal/Name Pointer] Table\n"));
- for (i = 0; i < edt.num_names; ++i)
+ /* 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,
+ (long) edt.num_names);
+ /* PR 17512: file: 140-147171-0.004. */
+ else if (edt.ot_addr + (edt.num_names * 2) - adj >= datasize
+ || data + edt.ot_addr - adj < data)
+ fprintf (file, _("\tInvalid Ordinal Table rva (0x%lx) or entry count (0x%lx)\n"),
+ (long) edt.ot_addr,
+ (long) edt.num_names);
+ else for (i = 0; i < edt.num_names; ++i)
{
- bfd_vma name_ptr = bfd_get_32 (abfd,
- data +
- edt.npt_addr
- + (i*4) - adj);
+ bfd_vma name_ptr;
+ bfd_vma ord;
- char *name = (char *) data + name_ptr - adj;
+ ord = bfd_get_16 (abfd, data + edt.ot_addr + (i * 2) - adj);
+ name_ptr = bfd_get_32 (abfd, data + edt.npt_addr + (i * 4) - adj);
- bfd_vma ord = bfd_get_16 (abfd,
- data +
- edt.ot_addr
- + (i*2) - adj);
- fprintf (file,
- "\t[%4ld] %s\n", (long) ord, name);
+ if ((name_ptr - adj) >= datasize)
+ {
+ fprintf (file, _("\t[%4ld] <corrupt offset: %lx>\n"),
+ (long) ord, (long) name_ptr);
+ }
+ else
+ {
+ char * name = (char *) data + name_ptr - adj;
+
+ fprintf (file, "\t[%4ld] %.*s\n", (long) ord,
+ (int)((char *)(data + datasize) - name), name);
+ }
}
free (data);
if (datasize == 0)
return TRUE;
+ /* PR 17512: file: 002-193900-0.004. */
+ if (datasize < stop)
+ {
+ fprintf (file, _("Virtual size of .pdata section (%ld) larger than real size (%ld)\n"),
+ (long) stop, (long) datasize);
+ return FALSE;
+ }
+
if (! bfd_malloc_and_get_section (abfd, section, &data))
{
if (data != NULL)
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)
FILE *file = (FILE *) vfile;
bfd_byte *data = 0;
asection *section = bfd_get_section_by_name (abfd, ".reloc");
- bfd_size_type i;
- bfd_size_type start, stop;
+ bfd_byte *p, *end;
if (section == NULL || section->size == 0 || !(section->flags & SEC_HAS_CONTENTS))
return TRUE;
return FALSE;
}
- start = 0;
-
- stop = section->size;
-
- for (i = start; i < stop;)
+ p = data;
+ end = data + section->size;
+ while (p + 8 <= end)
{
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
of two 32 bit quantities, followed by a number of 16 bit entries. */
- virtual_address = bfd_get_32 (abfd, data+i);
- size = bfd_get_32 (abfd, data+i+4);
+ virtual_address = bfd_get_32 (abfd, p);
+ size = bfd_get_32 (abfd, p + 4);
+ p += 8;
number = (size - 8) / 2;
if (size == 0)
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);
- for (j = 0; j < number; ++j)
+ chunk_end = p + size;
+ if (chunk_end > end)
+ chunk_end = end;
+ j = 0;
+ while (p + 2 <= chunk_end)
{
- unsigned short e = bfd_get_16 (abfd, data + i + 8 + j * 2);
+ unsigned short e = bfd_get_16 (abfd, p);
unsigned int t = (e & 0xF000) >> 12;
int off = e & 0x0FFF;
_("\treloc %4d offset %4x [%4lx] %s"),
j, off, (unsigned long) (off + virtual_address), tbl[t]);
+ p += 2;
+ j++;
+
/* HIGHADJ takes an argument, - the next record *is* the
low 16 bits of addend. */
- if (t == IMAGE_REL_BASED_HIGHADJ)
+ if (t == IMAGE_REL_BASED_HIGHADJ && p + 2 <= chunk_end)
{
- fprintf (file, " (%4x)",
- ((unsigned int)
- bfd_get_16 (abfd, data + i + 8 + j * 2 + 2)));
+ fprintf (file, " (%4x)", (unsigned int) bfd_get_16 (abfd, p));
+ p += 2;
j++;
}
fprintf (file, "\n");
}
-
- i += size;
}
free (data);
rsrc_print_resource_directory (FILE * , bfd *, unsigned int, bfd_byte *,
rsrc_regions *, bfd_vma);
+/* Print the resource entry at DATA, with the text indented by INDENT.
+ Recusively calls rsrc_print_resource_directory to print the contents
+ of directory entries.
+ Returns the address of the end of the data associated with the entry
+ or section_end + 1 upon failure. */
+
static bfd_byte *
rsrc_print_resource_entries (FILE * file,
bfd * abfd,
bfd_vma rva_bias)
{
unsigned long entry, addr, size;
+ bfd_byte * leaf;
if (data + 8 >= regions->section_end)
return regions->section_end + 1;
fprintf (file, _("%03x %*.s Entry: "), (int)(data - regions->section_start), indent, " ");
- entry = (long) bfd_get_32 (abfd, data);
+ entry = (unsigned long) bfd_get_32 (abfd, data);
if (is_name)
{
bfd_byte * name;
else
name = regions->section_start + entry - rva_bias;
- if (name + 2 < regions->section_end)
+ if (name + 2 < regions->section_end && name > regions->section_start)
{
unsigned int len;
len = bfd_get_16 (abfd, name);
fprintf (file, _("name: [val: %08lx len %d]: "), entry, len);
+
if (name + 2 + len * 2 < regions->section_end)
{
/* This strange loop is to cope with multibyte characters. */
while (len --)
{
+ char c;
+
name += 2;
- fprintf (file, "%.1s", name);
+ c = * name;
+ /* Avoid printing control characters. */
+ if (c > 0 && c < 32)
+ fprintf (file, "^%c", c + 64);
+ else
+ fprintf (file, "%.1s", name);
}
}
else
- fprintf (file, _("<corrupt string length: %#x>"), len);
+ {
+ fprintf (file, _("<corrupt string length: %#x>\n"), len);
+ /* PR binutils/17512: Do not try to continue decoding a
+ corrupted resource section. It is likely to end up with
+ reams of extraneous output. FIXME: We could probably
+ continue if we disable the printing of strings... */
+ return regions->section_end + 1;
+ }
}
else
- fprintf (file, _("<corrupt string offset: %#lx>"), entry);
+ {
+ fprintf (file, _("<corrupt string offset: %#lx>\n"), entry);
+ return regions->section_end + 1;
+ }
}
else
fprintf (file, _("ID: %#08lx"), entry);
fprintf (file, _(", Value: %#08lx\n"), entry);
if (HighBitSet (entry))
- return rsrc_print_resource_directory (file, abfd, indent + 1,
- regions->section_start + WithoutHighBit (entry),
- regions, rva_bias);
+ {
+ data = regions->section_start + WithoutHighBit (entry);
+ if (data <= regions->section_start || data > regions->section_end)
+ return regions->section_end + 1;
+
+ /* FIXME: PR binutils/17512: A corrupt file could contain a loop
+ in the resource table. We need some way to detect this. */
+ return rsrc_print_resource_directory (file, abfd, indent + 1, data,
+ regions, rva_bias);
+ }
+
+ leaf = regions->section_start + entry;
- if (regions->section_start + entry + 16 >= regions->section_end)
+ 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;
case 0: fprintf (file, "Type"); break;
case 2: fprintf (file, "Name"); break;
case 4: fprintf (file, "Language"); break;
- default: fprintf (file, "<unknown>"); break;
+ default:
+ fprintf (file, _("<unknown directory type: %d>\n"), indent);
+ /* FIXME: For now we end the printing here. If in the
+ future more directory types are added to the RSRC spec
+ then we will need to change this. */
+ return regions->section_end + 1;
}
fprintf (file, _(" Table: Char: %d, Time: %08lx, Ver: %d/%d, Num Names: %d, IDs: %d\n"),
if (data == (regions.section_end - 4))
data = regions.section_end;
else if (data < regions.section_end)
- fprintf (file, _("\nWARNING: Extra data in .rsrc section - it will be ignored by Windows:\n"));
+ {
+ /* If the extra data is all zeros then do not complain.
+ This is just padding so that the section meets the
+ page size requirements. */
+ while (++ data < regions.section_end)
+ if (*data != 0)
+ break;
+ if (data < regions.section_end)
+ fprintf (file, _("\nWARNING: Extra data in .rsrc section - it will be ignored by Windows:\n"));
+ }
}
}
if (regions.strings_start != NULL)
- fprintf (file, " String table starts at %03x\n",
+ fprintf (file, " String table starts at offset: %#03x\n",
(int) (regions.strings_start - regions.section_start));
if (regions.resource_start != NULL)
- fprintf (file, " Resources start at %03xx\n",
+ fprintf (file, " Resources start at offset: %#03x\n",
(int) (regions.resource_start - regions.section_start));
-
+
free (regions.section_start);
return TRUE;
}
_("\nThere is a debug directory, but the section containing it could not be found\n"));
return TRUE;
}
+ else if (!(section->flags & SEC_HAS_CONTENTS))
+ {
+ fprintf (file,
+ _("\nThere is a debug directory in %s, but that section has no contents\n"),
+ section->name);
+ return TRUE;
+ }
+ else if (section->size < size)
+ {
+ fprintf (file,
+ _("\nError: section %s contains the debug data starting address but it is too small\n"),
+ section->name);
+ return FALSE;
+ }
fprintf (file, _("\nThere is a debug directory in %s at 0x%lx\n\n"),
section->name, (unsigned long) addr);
dataoff = addr - section->vma;
+ if (size > (section->size - dataoff))
+ {
+ fprintf (file, _("The debug data size field in the data directory is too big for the section"));
+ return FALSE;
+ }
+
fprintf (file,
_("Type Size Rva Offset\n"));
- /* Read the whole section. */
+ /* Read the whole section. */
if (!bfd_malloc_and_get_section (abfd, section, &data))
{
if (data != NULL)
_bfd_XXi_swap_debugdir_in (abfd, ext, &idd);
- if ((idd.Type) > IMAGE_NUMBEROF_DEBUG_TYPES)
+ if ((idd.Type) >= IMAGE_NUMBEROF_DEBUG_TYPES)
type_name = debug_type_names[0];
else
type_name = debug_type_names[idd.Type];
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,
return TRUE;
}
+static bfd_boolean
+is_vma_in_section (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj)
+{
+ bfd_vma addr = * (bfd_vma *) obj;
+ return (addr >= sect->vma) && (addr < (sect->vma + sect->size));
+}
+
+static asection *
+find_section_by_vma (bfd *abfd, bfd_vma addr)
+{
+ return bfd_sections_find_if (abfd, is_vma_in_section, (void *) & addr);
+}
+
/* Copy any private info we understand from the input bfd
to the output bfd. */
&& ! (pe_data (ibfd)->real_flags & IMAGE_FILE_RELOCS_STRIPPED))
pe_data (obfd)->dont_strip_reloc = 1;
+ /* The file offsets contained in the debug directory need rewriting. */
+ if (ope->pe_opthdr.DataDirectory[PE_DEBUG_DATA].Size != 0)
+ {
+ bfd_vma addr = ope->pe_opthdr.DataDirectory[PE_DEBUG_DATA].VirtualAddress
+ + ope->pe_opthdr.ImageBase;
+ asection *section = find_section_by_vma (obfd, addr);
+ bfd_byte *data;
+
+ if (section && bfd_malloc_and_get_section (obfd, section, &data))
+ {
+ unsigned int i;
+ 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++)
+ {
+ asection *ddsection;
+ struct external_IMAGE_DEBUG_DIRECTORY *edd = &(dd[i]);
+ struct internal_IMAGE_DEBUG_DIRECTORY idd;
+
+ _bfd_XXi_swap_debugdir_in (obfd, edd, &idd);
+
+ if (idd.AddressOfRawData == 0)
+ continue; /* RVA 0 means only offset is valid, not handled yet. */
+
+ ddsection = find_section_by_vma (obfd, idd.AddressOfRawData + ope->pe_opthdr.ImageBase);
+ if (!ddsection)
+ continue; /* Not in a section! */
+
+ idd.PointerToRawData = ddsection->filepos + (idd.AddressOfRawData
+ + ope->pe_opthdr.ImageBase) - ddsection->vma;
+
+ _bfd_XXi_swap_debugdir_out (obfd, &idd, edd);
+ }
+
+ if (!bfd_set_section_contents (obfd, section, data, 0, section->size))
+ {
+ _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;
}
else
name = datastart + entry - rva_bias;
- if (name + 2 >= dataend)
+ if (name + 2 >= dataend || name < datastart)
return dataend + 1;
unsigned int len = bfd_get_16 (abfd, name);
entry = (long) bfd_get_32 (abfd, data + 4);
if (HighBitSet (entry))
- return rsrc_count_directory (abfd,
- datastart,
- datastart + WithoutHighBit (entry),
- dataend, rva_bias);
+ {
+ data = datastart + WithoutHighBit (entry);
+
+ if (data <= datastart || data >= dataend)
+ return dataend + 1;
+
+ return rsrc_count_directory (abfd, datastart, data, dataend, rva_bias);
+ }
if (datastart + entry + 16 >= dataend)
return dataend + 1;
if (is_name)
{
- /* FIXME: Add range checking ? */
+ bfd_byte * address;
+
if (HighBitSet (val))
{
val = WithoutHighBit (val);
- entry->name_id.name.len = bfd_get_16 (abfd, datastart + val);
- entry->name_id.name.string = datastart + val + 2;
+ address = datastart + val;
}
else
{
- entry->name_id.name.len = bfd_get_16 (abfd, datastart + val
- - rva_bias);
- entry->name_id.name.string = datastart + val - rva_bias + 2;
+ address = datastart + val - rva_bias;
}
+
+ if (address + 3 > dataend)
+ return dataend;
+
+ entry->name_id.name.len = bfd_get_16 (abfd, address);
+ entry->name_id.name.string = address + 2;
}
else
entry->name_id.id = val;
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;
}
data = bfd_malloc (size);
if (data == NULL)
return;
+
datastart = data;
if (! bfd_get_section_contents (abfd, sec, data, 0, size))
for (input = pfinfo->info->input_bfds;
input != NULL;
- input = input->link_next)
+ input = input->link.next)
{
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)
{
starts on an 8-byte boundary. FIXME: Is this correct ? */
sizeof_strings = (sizeof_strings + 7) & ~ 7;
- new_data = bfd_malloc (size);
+ new_data = bfd_zalloc (abfd, size);
if (new_data == NULL)
goto end;
/* Step five: Replace the old contents with the new.
We recompute the size as we may have lost entries due to mergeing. */
size = ((write_data.next_data - new_data) + 3) & ~ 3;
+
+ {
+ int page_size;
+
+ if (coff_data (abfd)->link_info)
+ {
+ page_size = pe_data (abfd)->pe_opthdr.FileAlignment;
+
+ /* If no file alignment has been set, default to one.
+ This repairs 'ld -r' for arm-wince-pe target. */
+ if (page_size == 0)
+ page_size = 1;
+ }
+ else
+ page_size = PE_DEF_FILE_ALIGNMENT;
+ size = (size + page_size - 1) & - page_size;
+ }
+
bfd_set_section_contents (pfinfo->output_bfd, sec, new_data, 0, size);
sec->size = sec->rawsize = size;
}
free (tmp_data);
}
+ else
+ result = FALSE;
}
}
#endif
projects / deliverable / binutils-gdb.git / blobdiff