3db64b0092
Many files: Include sysdep.h before bfd.h. * Makefile.am: Run "make dep-am". * Makefile.in: Regenerate. binutils/ * bucumm.h: Split off host dependencies to.. * sysdep.h: ..here. Many files: Include sysdep.h. Remove duplicate headers and reorder. * Makefile.am: Run "make dep-am". * Makefile.in: Regenerate. ld/ Many files: Include sysdep.h first. Remove duplicate headers. * Makefile.am: Run "make dep-am". * Makefile.in: Regenerate. opcodes/ * Makefile.am: Run "make dep-am". * Makefile.in: Regenerate. * ns32k-dis.c: Include sysdep.h first.
767 lines
21 KiB
C
767 lines
21 KiB
C
/* rescoff.c -- read and write resources in Windows COFF files.
|
||
Copyright 1997, 1998, 1999, 2000, 2003, 2007
|
||
Free Software Foundation, Inc.
|
||
Written by Ian Lance Taylor, Cygnus Support.
|
||
|
||
This file is part of GNU Binutils.
|
||
|
||
This program is free software; you can redistribute it and/or modify
|
||
it under the terms of the GNU General Public License as published by
|
||
the Free Software Foundation; either version 2 of the License, or
|
||
(at your option) any later version.
|
||
|
||
This program is distributed in the hope that it will be useful,
|
||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
GNU General Public License for more details.
|
||
|
||
You should have received a copy of the GNU General Public License
|
||
along with this program; if not, write to the Free Software
|
||
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
|
||
02110-1301, USA. */
|
||
|
||
/* This file contains function that read and write Windows resources
|
||
in COFF files. */
|
||
|
||
#include "sysdep.h"
|
||
#include "bfd.h"
|
||
#include "libiberty.h"
|
||
#include "bucomm.h"
|
||
#include "windres.h"
|
||
|
||
#include <assert.h>
|
||
|
||
/* In order to use the address of a resource data entry, we need to
|
||
get the image base of the file. Right now we extract it from
|
||
internal BFD information. FIXME. */
|
||
|
||
#include "coff/internal.h"
|
||
#include "libcoff.h"
|
||
|
||
/* Information we extract from the file. */
|
||
|
||
struct coff_file_info
|
||
{
|
||
/* File name. */
|
||
const char *filename;
|
||
/* Data read from the file. */
|
||
const bfd_byte *data;
|
||
/* End of data read from file. */
|
||
const bfd_byte *data_end;
|
||
/* Address of the resource section minus the image base of the file. */
|
||
bfd_vma secaddr;
|
||
/* Non-zero if the file is big endian. */
|
||
int big_endian;
|
||
};
|
||
|
||
/* A resource directory table in a COFF file. */
|
||
|
||
struct extern_res_directory
|
||
{
|
||
/* Characteristics. */
|
||
bfd_byte characteristics[4];
|
||
/* Time stamp. */
|
||
bfd_byte time[4];
|
||
/* Major version number. */
|
||
bfd_byte major[2];
|
||
/* Minor version number. */
|
||
bfd_byte minor[2];
|
||
/* Number of named directory entries. */
|
||
bfd_byte name_count[2];
|
||
/* Number of directory entries with IDs. */
|
||
bfd_byte id_count[2];
|
||
};
|
||
|
||
/* A resource directory entry in a COFF file. */
|
||
|
||
struct extern_res_entry
|
||
{
|
||
/* Name or ID. */
|
||
bfd_byte name[4];
|
||
/* Address of resource entry or subdirectory. */
|
||
bfd_byte rva[4];
|
||
};
|
||
|
||
/* A resource data entry in a COFF file. */
|
||
|
||
struct extern_res_data
|
||
{
|
||
/* Address of resource data. This is apparently a file relative
|
||
address, rather than a section offset. */
|
||
bfd_byte rva[4];
|
||
/* Size of resource data. */
|
||
bfd_byte size[4];
|
||
/* Code page. */
|
||
bfd_byte codepage[4];
|
||
/* Reserved. */
|
||
bfd_byte reserved[4];
|
||
};
|
||
|
||
/* Macros to swap in values. */
|
||
|
||
#define getfi_16(fi, s) ((fi)->big_endian ? bfd_getb16 (s) : bfd_getl16 (s))
|
||
#define getfi_32(fi, s) ((fi)->big_endian ? bfd_getb32 (s) : bfd_getl32 (s))
|
||
|
||
/* Local functions. */
|
||
|
||
static void overrun (const struct coff_file_info *, const char *);
|
||
static struct res_directory *read_coff_res_dir
|
||
(const bfd_byte *, const struct coff_file_info *,
|
||
const struct res_id *, int);
|
||
static struct res_resource *read_coff_data_entry
|
||
(const bfd_byte *, const struct coff_file_info *, const struct res_id *);
|
||
|
||
/* Read the resources in a COFF file. */
|
||
|
||
struct res_directory *
|
||
read_coff_rsrc (const char *filename, const char *target)
|
||
{
|
||
bfd *abfd;
|
||
char **matching;
|
||
asection *sec;
|
||
bfd_size_type size;
|
||
bfd_byte *data;
|
||
struct coff_file_info finfo;
|
||
|
||
if (filename == NULL)
|
||
fatal (_("filename required for COFF input"));
|
||
|
||
abfd = bfd_openr (filename, target);
|
||
if (abfd == NULL)
|
||
bfd_fatal (filename);
|
||
|
||
if (! bfd_check_format_matches (abfd, bfd_object, &matching))
|
||
{
|
||
bfd_nonfatal (bfd_get_filename (abfd));
|
||
if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
|
||
list_matching_formats (matching);
|
||
xexit (1);
|
||
}
|
||
|
||
sec = bfd_get_section_by_name (abfd, ".rsrc");
|
||
if (sec == NULL)
|
||
{
|
||
fatal (_("%s: no resource section"), filename);
|
||
}
|
||
|
||
size = bfd_section_size (abfd, sec);
|
||
data = (bfd_byte *) res_alloc (size);
|
||
|
||
if (! bfd_get_section_contents (abfd, sec, data, 0, size))
|
||
bfd_fatal (_("can't read resource section"));
|
||
|
||
finfo.filename = filename;
|
||
finfo.data = data;
|
||
finfo.data_end = data + size;
|
||
finfo.secaddr = (bfd_get_section_vma (abfd, sec)
|
||
- pe_data (abfd)->pe_opthdr.ImageBase);
|
||
finfo.big_endian = bfd_big_endian (abfd);
|
||
|
||
bfd_close (abfd);
|
||
|
||
/* Now just read in the top level resource directory. Note that we
|
||
don't free data, since we create resource entries that point into
|
||
it. If we ever want to free up the resource information we read,
|
||
this will have to be cleaned up. */
|
||
|
||
return read_coff_res_dir (data, &finfo, (const struct res_id *) NULL, 0);
|
||
}
|
||
|
||
/* Give an error if we are out of bounds. */
|
||
|
||
static void
|
||
overrun (const struct coff_file_info *finfo, const char *msg)
|
||
{
|
||
fatal (_("%s: %s: address out of bounds"), finfo->filename, msg);
|
||
}
|
||
|
||
/* Read a resource directory. */
|
||
|
||
static struct res_directory *
|
||
read_coff_res_dir (const bfd_byte *data, const struct coff_file_info *finfo,
|
||
const struct res_id *type, int level)
|
||
{
|
||
const struct extern_res_directory *erd;
|
||
struct res_directory *rd;
|
||
int name_count, id_count, i;
|
||
struct res_entry **pp;
|
||
const struct extern_res_entry *ere;
|
||
|
||
if ((size_t) (finfo->data_end - data) < sizeof (struct extern_res_directory))
|
||
overrun (finfo, _("directory"));
|
||
|
||
erd = (const struct extern_res_directory *) data;
|
||
|
||
rd = (struct res_directory *) res_alloc (sizeof *rd);
|
||
rd->characteristics = getfi_32 (finfo, erd->characteristics);
|
||
rd->time = getfi_32 (finfo, erd->time);
|
||
rd->major = getfi_16 (finfo, erd->major);
|
||
rd->minor = getfi_16 (finfo, erd->minor);
|
||
rd->entries = NULL;
|
||
|
||
name_count = getfi_16 (finfo, erd->name_count);
|
||
id_count = getfi_16 (finfo, erd->id_count);
|
||
|
||
pp = &rd->entries;
|
||
|
||
/* The resource directory entries immediately follow the directory
|
||
table. */
|
||
ere = (const struct extern_res_entry *) (erd + 1);
|
||
|
||
for (i = 0; i < name_count; i++, ere++)
|
||
{
|
||
unsigned long name, rva;
|
||
struct res_entry *re;
|
||
const bfd_byte *ers;
|
||
int length, j;
|
||
|
||
if ((const bfd_byte *) ere >= finfo->data_end)
|
||
overrun (finfo, _("named directory entry"));
|
||
|
||
name = getfi_32 (finfo, ere->name);
|
||
rva = getfi_32 (finfo, ere->rva);
|
||
|
||
/* For some reason the high bit in NAME is set. */
|
||
name &=~ 0x80000000;
|
||
|
||
if (name > (size_t) (finfo->data_end - finfo->data))
|
||
overrun (finfo, _("directory entry name"));
|
||
|
||
ers = finfo->data + name;
|
||
|
||
re = (struct res_entry *) res_alloc (sizeof *re);
|
||
re->next = NULL;
|
||
re->id.named = 1;
|
||
length = getfi_16 (finfo, ers);
|
||
re->id.u.n.length = length;
|
||
re->id.u.n.name = (unichar *) res_alloc (length * sizeof (unichar));
|
||
for (j = 0; j < length; j++)
|
||
re->id.u.n.name[j] = getfi_16 (finfo, ers + j * 2 + 2);
|
||
|
||
if (level == 0)
|
||
type = &re->id;
|
||
|
||
if ((rva & 0x80000000) != 0)
|
||
{
|
||
rva &=~ 0x80000000;
|
||
if (rva >= (size_t) (finfo->data_end - finfo->data))
|
||
overrun (finfo, _("named subdirectory"));
|
||
re->subdir = 1;
|
||
re->u.dir = read_coff_res_dir (finfo->data + rva, finfo, type,
|
||
level + 1);
|
||
}
|
||
else
|
||
{
|
||
if (rva >= (size_t) (finfo->data_end - finfo->data))
|
||
overrun (finfo, _("named resource"));
|
||
re->subdir = 0;
|
||
re->u.res = read_coff_data_entry (finfo->data + rva, finfo, type);
|
||
}
|
||
|
||
*pp = re;
|
||
pp = &re->next;
|
||
}
|
||
|
||
for (i = 0; i < id_count; i++, ere++)
|
||
{
|
||
unsigned long name, rva;
|
||
struct res_entry *re;
|
||
|
||
if ((const bfd_byte *) ere >= finfo->data_end)
|
||
overrun (finfo, _("ID directory entry"));
|
||
|
||
name = getfi_32 (finfo, ere->name);
|
||
rva = getfi_32 (finfo, ere->rva);
|
||
|
||
re = (struct res_entry *) res_alloc (sizeof *re);
|
||
re->next = NULL;
|
||
re->id.named = 0;
|
||
re->id.u.id = name;
|
||
|
||
if (level == 0)
|
||
type = &re->id;
|
||
|
||
if ((rva & 0x80000000) != 0)
|
||
{
|
||
rva &=~ 0x80000000;
|
||
if (rva >= (size_t) (finfo->data_end - finfo->data))
|
||
overrun (finfo, _("ID subdirectory"));
|
||
re->subdir = 1;
|
||
re->u.dir = read_coff_res_dir (finfo->data + rva, finfo, type,
|
||
level + 1);
|
||
}
|
||
else
|
||
{
|
||
if (rva >= (size_t) (finfo->data_end - finfo->data))
|
||
overrun (finfo, _("ID resource"));
|
||
re->subdir = 0;
|
||
re->u.res = read_coff_data_entry (finfo->data + rva, finfo, type);
|
||
}
|
||
|
||
*pp = re;
|
||
pp = &re->next;
|
||
}
|
||
|
||
return rd;
|
||
}
|
||
|
||
/* Read a resource data entry. */
|
||
|
||
static struct res_resource *
|
||
read_coff_data_entry (const bfd_byte *data, const struct coff_file_info *finfo, const struct res_id *type)
|
||
{
|
||
const struct extern_res_data *erd;
|
||
struct res_resource *r;
|
||
unsigned long size, rva;
|
||
const bfd_byte *resdata;
|
||
|
||
if (type == NULL)
|
||
fatal (_("resource type unknown"));
|
||
|
||
if ((size_t) (finfo->data_end - data) < sizeof (struct extern_res_data))
|
||
overrun (finfo, _("data entry"));
|
||
|
||
erd = (const struct extern_res_data *) data;
|
||
|
||
size = getfi_32 (finfo, erd->size);
|
||
rva = getfi_32 (finfo, erd->rva);
|
||
if (rva < finfo->secaddr
|
||
|| rva - finfo->secaddr >= (size_t) (finfo->data_end - finfo->data))
|
||
overrun (finfo, _("resource data"));
|
||
|
||
resdata = finfo->data + (rva - finfo->secaddr);
|
||
|
||
if (size > (size_t) (finfo->data_end - resdata))
|
||
overrun (finfo, _("resource data size"));
|
||
|
||
r = bin_to_res (*type, resdata, size, finfo->big_endian);
|
||
|
||
memset (&r->res_info, 0, sizeof (struct res_res_info));
|
||
r->coff_info.codepage = getfi_32 (finfo, erd->codepage);
|
||
r->coff_info.reserved = getfi_32 (finfo, erd->reserved);
|
||
|
||
return r;
|
||
}
|
||
|
||
/* This structure is used to build a list of bindata structures. */
|
||
|
||
struct bindata_build
|
||
{
|
||
/* The data. */
|
||
struct bindata *d;
|
||
/* The last structure we have added to the list. */
|
||
struct bindata *last;
|
||
/* The size of the list as a whole. */
|
||
unsigned long length;
|
||
};
|
||
|
||
/* This structure keeps track of information as we build the directory
|
||
tree. */
|
||
|
||
struct coff_write_info
|
||
{
|
||
/* These fields are based on the BFD. */
|
||
/* The BFD itself. */
|
||
bfd *abfd;
|
||
/* Non-zero if the file is big endian. */
|
||
int big_endian;
|
||
/* Pointer to section symbol used to build RVA relocs. */
|
||
asymbol **sympp;
|
||
|
||
/* These fields are computed initially, and then not changed. */
|
||
/* Length of directory tables and entries. */
|
||
unsigned long dirsize;
|
||
/* Length of directory entry strings. */
|
||
unsigned long dirstrsize;
|
||
/* Length of resource data entries. */
|
||
unsigned long dataentsize;
|
||
|
||
/* These fields are updated as we add data. */
|
||
/* Directory tables and entries. */
|
||
struct bindata_build dirs;
|
||
/* Directory entry strings. */
|
||
struct bindata_build dirstrs;
|
||
/* Resource data entries. */
|
||
struct bindata_build dataents;
|
||
/* Actual resource data. */
|
||
struct bindata_build resources;
|
||
/* Relocations. */
|
||
arelent **relocs;
|
||
/* Number of relocations. */
|
||
unsigned int reloc_count;
|
||
};
|
||
|
||
/* Macros to swap out values. */
|
||
|
||
#define putcwi_16(cwi, v, s) \
|
||
((cwi->big_endian) ? bfd_putb16 ((v), (s)) : bfd_putl16 ((v), (s)))
|
||
#define putcwi_32(cwi, v, s) \
|
||
((cwi->big_endian) ? bfd_putb32 ((v), (s)) : bfd_putl32 ((v), (s)))
|
||
|
||
static void coff_bin_sizes
|
||
(const struct res_directory *, struct coff_write_info *);
|
||
static unsigned char *coff_alloc (struct bindata_build *, size_t);
|
||
static void coff_to_bin
|
||
(const struct res_directory *, struct coff_write_info *);
|
||
static void coff_res_to_bin
|
||
(const struct res_resource *, struct coff_write_info *);
|
||
|
||
/* Write resources to a COFF file. RESOURCES should already be
|
||
sorted.
|
||
|
||
Right now we always create a new file. Someday we should also
|
||
offer the ability to merge resources into an existing file. This
|
||
would require doing the basic work of objcopy, just modifying or
|
||
adding the .rsrc section. */
|
||
|
||
void
|
||
write_coff_file (const char *filename, const char *target,
|
||
const struct res_directory *resources)
|
||
{
|
||
bfd *abfd;
|
||
asection *sec;
|
||
struct coff_write_info cwi;
|
||
struct bindata *d;
|
||
unsigned long length, offset;
|
||
|
||
if (filename == NULL)
|
||
fatal (_("filename required for COFF output"));
|
||
|
||
abfd = bfd_openw (filename, target);
|
||
if (abfd == NULL)
|
||
bfd_fatal (filename);
|
||
|
||
if (! bfd_set_format (abfd, bfd_object))
|
||
bfd_fatal ("bfd_set_format");
|
||
|
||
#if defined DLLTOOL_SH
|
||
if (! bfd_set_arch_mach (abfd, bfd_arch_sh, 0))
|
||
bfd_fatal ("bfd_set_arch_mach(sh)");
|
||
#elif defined DLLTOOL_MIPS
|
||
if (! bfd_set_arch_mach (abfd, bfd_arch_mips, 0))
|
||
bfd_fatal ("bfd_set_arch_mach(mips)");
|
||
#elif defined DLLTOOL_ARM
|
||
if (! bfd_set_arch_mach (abfd, bfd_arch_arm, 0))
|
||
bfd_fatal ("bfd_set_arch_mach(arm)");
|
||
#else
|
||
/* FIXME: This is obviously i386 specific. */
|
||
if (! bfd_set_arch_mach (abfd, bfd_arch_i386, 0))
|
||
bfd_fatal ("bfd_set_arch_mach(i386)");
|
||
#endif
|
||
|
||
if (! bfd_set_file_flags (abfd, HAS_SYMS | HAS_RELOC))
|
||
bfd_fatal ("bfd_set_file_flags");
|
||
|
||
sec = bfd_make_section (abfd, ".rsrc");
|
||
if (sec == NULL)
|
||
bfd_fatal ("bfd_make_section");
|
||
|
||
if (! bfd_set_section_flags (abfd, sec,
|
||
(SEC_HAS_CONTENTS | SEC_ALLOC
|
||
| SEC_LOAD | SEC_DATA)))
|
||
bfd_fatal ("bfd_set_section_flags");
|
||
|
||
if (! bfd_set_symtab (abfd, sec->symbol_ptr_ptr, 1))
|
||
bfd_fatal ("bfd_set_symtab");
|
||
|
||
/* Requiring this is probably a bug in BFD. */
|
||
sec->output_section = sec;
|
||
|
||
/* The order of data in the .rsrc section is
|
||
resource directory tables and entries
|
||
resource directory strings
|
||
resource data entries
|
||
actual resource data
|
||
|
||
We build these different types of data in different lists. */
|
||
|
||
cwi.abfd = abfd;
|
||
cwi.big_endian = bfd_big_endian (abfd);
|
||
cwi.sympp = sec->symbol_ptr_ptr;
|
||
cwi.dirsize = 0;
|
||
cwi.dirstrsize = 0;
|
||
cwi.dataentsize = 0;
|
||
cwi.dirs.d = NULL;
|
||
cwi.dirs.last = NULL;
|
||
cwi.dirs.length = 0;
|
||
cwi.dirstrs.d = NULL;
|
||
cwi.dirstrs.last = NULL;
|
||
cwi.dirstrs.length = 0;
|
||
cwi.dataents.d = NULL;
|
||
cwi.dataents.last = NULL;
|
||
cwi.dataents.length = 0;
|
||
cwi.resources.d = NULL;
|
||
cwi.resources.last = NULL;
|
||
cwi.resources.length = 0;
|
||
cwi.relocs = NULL;
|
||
cwi.reloc_count = 0;
|
||
|
||
/* Work out the sizes of the resource directory entries, so that we
|
||
know the various offsets we will need. */
|
||
coff_bin_sizes (resources, &cwi);
|
||
|
||
/* Force the directory strings to be 32 bit aligned. Every other
|
||
structure is 32 bit aligned anyhow. */
|
||
cwi.dirstrsize = (cwi.dirstrsize + 3) &~ 3;
|
||
|
||
/* Actually convert the resources to binary. */
|
||
coff_to_bin (resources, &cwi);
|
||
|
||
/* Add another 2 bytes to the directory strings if needed for
|
||
alignment. */
|
||
if ((cwi.dirstrs.length & 3) != 0)
|
||
{
|
||
unsigned char *ex;
|
||
|
||
ex = coff_alloc (&cwi.dirstrs, 2);
|
||
ex[0] = 0;
|
||
ex[1] = 0;
|
||
}
|
||
|
||
/* Make sure that the data we built came out to the same size as we
|
||
calculated initially. */
|
||
assert (cwi.dirs.length == cwi.dirsize);
|
||
assert (cwi.dirstrs.length == cwi.dirstrsize);
|
||
assert (cwi.dataents.length == cwi.dataentsize);
|
||
|
||
length = (cwi.dirsize
|
||
+ cwi.dirstrsize
|
||
+ cwi.dataentsize
|
||
+ cwi.resources.length);
|
||
|
||
if (! bfd_set_section_size (abfd, sec, length))
|
||
bfd_fatal ("bfd_set_section_size");
|
||
|
||
bfd_set_reloc (abfd, sec, cwi.relocs, cwi.reloc_count);
|
||
|
||
offset = 0;
|
||
for (d = cwi.dirs.d; d != NULL; d = d->next)
|
||
{
|
||
if (! bfd_set_section_contents (abfd, sec, d->data, offset, d->length))
|
||
bfd_fatal ("bfd_set_section_contents");
|
||
offset += d->length;
|
||
}
|
||
for (d = cwi.dirstrs.d; d != NULL; d = d->next)
|
||
{
|
||
if (! bfd_set_section_contents (abfd, sec, d->data, offset, d->length))
|
||
bfd_fatal ("bfd_set_section_contents");
|
||
offset += d->length;
|
||
}
|
||
for (d = cwi.dataents.d; d != NULL; d = d->next)
|
||
{
|
||
if (! bfd_set_section_contents (abfd, sec, d->data, offset, d->length))
|
||
bfd_fatal ("bfd_set_section_contents");
|
||
offset += d->length;
|
||
}
|
||
for (d = cwi.resources.d; d != NULL; d = d->next)
|
||
{
|
||
if (! bfd_set_section_contents (abfd, sec, d->data, offset, d->length))
|
||
bfd_fatal ("bfd_set_section_contents");
|
||
offset += d->length;
|
||
}
|
||
|
||
assert (offset == length);
|
||
|
||
if (! bfd_close (abfd))
|
||
bfd_fatal ("bfd_close");
|
||
|
||
/* We allocated the relocs array using malloc. */
|
||
free (cwi.relocs);
|
||
}
|
||
|
||
/* Work out the sizes of the various fixed size resource directory
|
||
entries. This updates fields in CWI. */
|
||
|
||
static void
|
||
coff_bin_sizes (const struct res_directory *resdir,
|
||
struct coff_write_info *cwi)
|
||
{
|
||
const struct res_entry *re;
|
||
|
||
cwi->dirsize += sizeof (struct extern_res_directory);
|
||
|
||
for (re = resdir->entries; re != NULL; re = re->next)
|
||
{
|
||
cwi->dirsize += sizeof (struct extern_res_entry);
|
||
|
||
if (re->id.named)
|
||
cwi->dirstrsize += re->id.u.n.length * 2 + 2;
|
||
|
||
if (re->subdir)
|
||
coff_bin_sizes (re->u.dir, cwi);
|
||
else
|
||
cwi->dataentsize += sizeof (struct extern_res_data);
|
||
}
|
||
}
|
||
|
||
/* Allocate data for a particular list. */
|
||
|
||
static unsigned char *
|
||
coff_alloc (struct bindata_build *bb, size_t size)
|
||
{
|
||
struct bindata *d;
|
||
|
||
d = (struct bindata *) reswr_alloc (sizeof *d);
|
||
|
||
d->next = NULL;
|
||
d->data = (unsigned char *) reswr_alloc (size);
|
||
d->length = size;
|
||
|
||
if (bb->d == NULL)
|
||
bb->d = d;
|
||
else
|
||
bb->last->next = d;
|
||
bb->last = d;
|
||
bb->length += size;
|
||
|
||
return d->data;
|
||
}
|
||
|
||
/* Convert the resource directory RESDIR to binary. */
|
||
|
||
static void
|
||
coff_to_bin (const struct res_directory *resdir, struct coff_write_info *cwi)
|
||
{
|
||
struct extern_res_directory *erd;
|
||
int ci, cn;
|
||
const struct res_entry *e;
|
||
struct extern_res_entry *ere;
|
||
|
||
/* Write out the directory table. */
|
||
|
||
erd = ((struct extern_res_directory *)
|
||
coff_alloc (&cwi->dirs, sizeof (*erd)));
|
||
|
||
putcwi_32 (cwi, resdir->characteristics, erd->characteristics);
|
||
putcwi_32 (cwi, resdir->time, erd->time);
|
||
putcwi_16 (cwi, resdir->major, erd->major);
|
||
putcwi_16 (cwi, resdir->minor, erd->minor);
|
||
|
||
ci = 0;
|
||
cn = 0;
|
||
for (e = resdir->entries; e != NULL; e = e->next)
|
||
{
|
||
if (e->id.named)
|
||
++cn;
|
||
else
|
||
++ci;
|
||
}
|
||
|
||
putcwi_16 (cwi, cn, erd->name_count);
|
||
putcwi_16 (cwi, ci, erd->id_count);
|
||
|
||
/* Write out the data entries. Note that we allocate space for all
|
||
the entries before writing them out. That permits a recursive
|
||
call to work correctly when writing out subdirectories. */
|
||
|
||
ere = ((struct extern_res_entry *)
|
||
coff_alloc (&cwi->dirs, (ci + cn) * sizeof (*ere)));
|
||
for (e = resdir->entries; e != NULL; e = e->next, ere++)
|
||
{
|
||
if (! e->id.named)
|
||
putcwi_32 (cwi, e->id.u.id, ere->name);
|
||
else
|
||
{
|
||
unsigned char *str;
|
||
int i;
|
||
|
||
/* For some reason existing files seem to have the high bit
|
||
set on the address of the name, although that is not
|
||
documented. */
|
||
putcwi_32 (cwi,
|
||
0x80000000 | (cwi->dirsize + cwi->dirstrs.length),
|
||
ere->name);
|
||
|
||
str = coff_alloc (&cwi->dirstrs, e->id.u.n.length * 2 + 2);
|
||
putcwi_16 (cwi, e->id.u.n.length, str);
|
||
for (i = 0; i < e->id.u.n.length; i++)
|
||
putcwi_16 (cwi, e->id.u.n.name[i], str + i * 2 + 2);
|
||
}
|
||
|
||
if (e->subdir)
|
||
{
|
||
putcwi_32 (cwi, 0x80000000 | cwi->dirs.length, ere->rva);
|
||
coff_to_bin (e->u.dir, cwi);
|
||
}
|
||
else
|
||
{
|
||
putcwi_32 (cwi,
|
||
cwi->dirsize + cwi->dirstrsize + cwi->dataents.length,
|
||
ere->rva);
|
||
|
||
coff_res_to_bin (e->u.res, cwi);
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Convert the resource RES to binary. */
|
||
|
||
static void
|
||
coff_res_to_bin (const struct res_resource *res, struct coff_write_info *cwi)
|
||
{
|
||
arelent *r;
|
||
struct extern_res_data *erd;
|
||
struct bindata *d;
|
||
unsigned long length;
|
||
|
||
/* For some reason, although every other address is a section
|
||
offset, the address of the resource data itself is an RVA. That
|
||
means that we need to generate a relocation for it. We allocate
|
||
the relocs array using malloc so that we can use realloc. FIXME:
|
||
This relocation handling is correct for the i386, but probably
|
||
not for any other target. */
|
||
|
||
r = (arelent *) reswr_alloc (sizeof (arelent));
|
||
r->sym_ptr_ptr = cwi->sympp;
|
||
r->address = cwi->dirsize + cwi->dirstrsize + cwi->dataents.length;
|
||
r->addend = 0;
|
||
r->howto = bfd_reloc_type_lookup (cwi->abfd, BFD_RELOC_RVA);
|
||
if (r->howto == NULL)
|
||
bfd_fatal (_("can't get BFD_RELOC_RVA relocation type"));
|
||
|
||
cwi->relocs = xrealloc (cwi->relocs,
|
||
(cwi->reloc_count + 2) * sizeof (arelent *));
|
||
cwi->relocs[cwi->reloc_count] = r;
|
||
cwi->relocs[cwi->reloc_count + 1] = NULL;
|
||
++cwi->reloc_count;
|
||
|
||
erd = (struct extern_res_data *) coff_alloc (&cwi->dataents, sizeof (*erd));
|
||
|
||
putcwi_32 (cwi,
|
||
(cwi->dirsize
|
||
+ cwi->dirstrsize
|
||
+ cwi->dataentsize
|
||
+ cwi->resources.length),
|
||
erd->rva);
|
||
putcwi_32 (cwi, res->coff_info.codepage, erd->codepage);
|
||
putcwi_32 (cwi, res->coff_info.reserved, erd->reserved);
|
||
|
||
d = res_to_bin (res, cwi->big_endian);
|
||
|
||
if (cwi->resources.d == NULL)
|
||
cwi->resources.d = d;
|
||
else
|
||
cwi->resources.last->next = d;
|
||
|
||
length = 0;
|
||
for (; d->next != NULL; d = d->next)
|
||
length += d->length;
|
||
length += d->length;
|
||
cwi->resources.last = d;
|
||
cwi->resources.length += length;
|
||
|
||
putcwi_32 (cwi, length, erd->size);
|
||
|
||
/* Force the next resource to have 32 bit alignment. */
|
||
|
||
if ((length & 3) != 0)
|
||
{
|
||
int add;
|
||
unsigned char *ex;
|
||
|
||
add = 4 - (length & 3);
|
||
|
||
ex = coff_alloc (&cwi->resources, add);
|
||
memset (ex, 0, add);
|
||
}
|
||
}
|