-/* resrc.c -- read and write Windows rc files.
- Copyright 1997 Free Software Foundation, Inc.
+/* rescoff.c -- read and write resources in Windows COFF files.
+ Copyright (C) 1997-2020 Free Software Foundation, Inc.
Written by Ian Lance Taylor, Cygnus Support.
+ Rewritten by Kai Tietz, Onevision.
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
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
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., 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA. */
+ 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 "bucomm.h"
#include "libiberty.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. */
/* 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;
+ rc_uint_type secaddr;
};
/* A resource directory table in a COFF file. */
-struct extern_res_directory
+struct __attribute__ ((__packed__)) extern_res_directory
{
/* Characteristics. */
bfd_byte characteristics[4];
bfd_byte reserved[4];
};
-/* Macros to swap in values. */
-
-#define get_16(fi, s) ((fi)->big_endian ? bfd_getb16 (s) : bfd_getl16 (s))
-#define get_32(fi, s) ((fi)->big_endian ? bfd_getb32 (s) : bfd_getl32 (s))
-
/* Local functions. */
-static void overrun PARAMS ((const struct coff_file_info *, const char *));
-static struct res_directory *read_coff_res_dir
- PARAMS ((const bfd_byte *, const struct coff_file_info *));
-static struct res_resource *read_coff_data_entry
- PARAMS ((const bfd_byte *, const struct coff_file_info *));
+static void overrun (const struct coff_file_info *, const char *);
+static rc_res_directory *read_coff_res_dir (windres_bfd *, const bfd_byte *,
+ const struct coff_file_info *,
+ const rc_res_id *, int);
+static rc_res_resource *read_coff_data_entry (windres_bfd *, const bfd_byte *,
+ const struct coff_file_info *,
+ const rc_res_id *);
\f
/* Read the resources in a COFF file. */
-struct res_directory *
-read_coff_rsrc (filename, target)
- const char *filename;
- const char *target;
+rc_res_directory *
+read_coff_rsrc (const char *filename, const char *target)
{
+ rc_res_directory *ret;
bfd *abfd;
+ windres_bfd wrbfd;
char **matching;
asection *sec;
bfd_size_type size;
bfd_byte *data;
- struct coff_file_info finfo;
+ struct coff_file_info flaginfo;
+
+ if (filename == NULL)
+ fatal (_("filename required for COFF input"));
abfd = bfd_openr (filename, target);
if (abfd == NULL)
sec = bfd_get_section_by_name (abfd, ".rsrc");
if (sec == NULL)
{
- fprintf (stderr, "%s: %s: no resource section\n", program_name,
- filename);
- xexit (1);
+ fatal (_("%s: no resource section"), filename);
}
- size = bfd_section_size (abfd, sec);
- data = (bfd_byte *) xmalloc (size);
-
- if (! bfd_get_section_contents (abfd, sec, data, 0, size))
- bfd_fatal ("can't read resource section");
+ set_windres_bfd (&wrbfd, abfd, sec, WR_KIND_BFD);
+ size = bfd_section_size (sec);
+ /* PR 17512: file: 1b25ba5d
+ The call to get_file_size here may be expensive
+ but there is no other way to determine if the section size
+ is reasonable. */
+ if (size > (bfd_size_type) get_file_size (filename))
+ fatal (_("%s: .rsrc section is bigger than the file!"), filename);
- 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);
+ data = (bfd_byte *) res_alloc (size);
+ get_windres_bfd_content (&wrbfd, data, 0, size);
- bfd_close (abfd);
+ flaginfo.filename = filename;
+ flaginfo.data = data;
+ flaginfo.data_end = data + size;
+ flaginfo.secaddr = (bfd_section_vma (sec)
+ - pe_data (abfd)->pe_opthdr.ImageBase);
/* 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);
+ ret = read_coff_res_dir (&wrbfd, data, &flaginfo, (const rc_res_id *) NULL, 0);
+
+ bfd_close (abfd);
+
+ return ret;
}
/* Give an error if we are out of bounds. */
static void
-overrun (finfo, msg)
- const struct coff_file_info *finfo;
- const char *msg;
+overrun (const struct coff_file_info *flaginfo, const char *msg)
{
- fatal ("%s: %s: address out of bounds", finfo->filename, msg);
+ fatal (_("%s: %s: address out of bounds"), flaginfo->filename, msg);
}
/* Read a resource directory. */
-static struct res_directory *
-read_coff_res_dir (data, finfo)
- const bfd_byte *data;
- const struct coff_file_info *finfo;
+static rc_res_directory *
+read_coff_res_dir (windres_bfd *wrbfd, const bfd_byte *data,
+ const struct coff_file_info *flaginfo,
+ const rc_res_id *type, int level)
{
const struct extern_res_directory *erd;
- struct res_directory *rd;
+ rc_res_directory *rd;
int name_count, id_count, i;
- struct res_entry **pp;
+ rc_res_entry **pp;
const struct extern_res_entry *ere;
- if (finfo->data_end - data < sizeof (struct extern_res_directory))
- overrun (finfo, "directory");
+ /* PR 17512: file: 09d80f53.
+ Whilst in theory resources can nest to any level, in practice
+ Microsoft only defines 3 levels. Corrupt files however might
+ claim to use more. */
+ if (level > 4)
+ overrun (flaginfo, _("Resources nest too deep"));
+
+ if ((size_t) (flaginfo->data_end - data) < sizeof (struct extern_res_directory))
+ overrun (flaginfo, _("directory"));
erd = (const struct extern_res_directory *) data;
- rd = (struct res_directory *) xmalloc (sizeof *rd);
- rd->characteristics = get_32 (finfo, erd->characteristics);
- rd->time = get_32 (finfo, erd->time);
- rd->major = get_16 (finfo, erd->major);
- rd->minor = get_16 (finfo, erd->minor);
+ rd = (rc_res_directory *) res_alloc (sizeof (rc_res_directory));
+ rd->characteristics = windres_get_32 (wrbfd, erd->characteristics, 4);
+ rd->time = windres_get_32 (wrbfd, erd->time, 4);
+ rd->major = windres_get_16 (wrbfd, erd->major, 2);
+ rd->minor = windres_get_16 (wrbfd, erd->minor, 2);
rd->entries = NULL;
- name_count = get_16 (finfo, erd->name_count);
- id_count = get_16 (finfo, erd->id_count);
+ name_count = windres_get_16 (wrbfd, erd->name_count, 2);
+ id_count = windres_get_16 (wrbfd, erd->id_count, 2);
pp = &rd->entries;
for (i = 0; i < name_count; i++, ere++)
{
- unsigned long name, rva;
- struct res_entry *re;
+ rc_uint_type name, rva;
+ rc_res_entry *re;
const bfd_byte *ers;
int length, j;
- if ((const bfd_byte *) ere >= finfo->data_end)
- overrun (finfo, "named directory entry");
+ if ((const bfd_byte *) ere >= flaginfo->data_end)
+ overrun (flaginfo, _("named directory entry"));
- name = get_32 (finfo, ere->name);
- rva = get_32 (finfo, ere->rva);
+ name = windres_get_32 (wrbfd, ere->name, 4);
+ rva = windres_get_32 (wrbfd, ere->rva, 4);
/* For some reason the high bit in NAME is set. */
name &=~ 0x80000000;
- if (name > finfo->data_end - finfo->data)
- overrun (finfo, "directory entry name");
+ if (name > (rc_uint_type) (flaginfo->data_end - flaginfo->data))
+ overrun (flaginfo, _("directory entry name"));
- ers = finfo->data + name;
+ ers = flaginfo->data + name;
- re = (struct res_entry *) xmalloc (sizeof *re);
+ re = (rc_res_entry *) res_alloc (sizeof *re);
re->next = NULL;
re->id.named = 1;
- length = get_16 (finfo, ers);
+ length = windres_get_16 (wrbfd, ers, 2);
re->id.u.n.length = length;
- re->id.u.n.name = ((unsigned short *)
- xmalloc (length * sizeof (unsigned short)));
+ re->id.u.n.name = (unichar *) res_alloc (length * sizeof (unichar));
for (j = 0; j < length; j++)
- re->id.u.n.name[j] = get_16 (finfo, ers + j * 2 + 2);
+ {
+ /* PR 17512: file: 05dc4a16. */
+ if (length < 0 || ers >= flaginfo->data_end || ers + j * 2 + 4 >= flaginfo->data_end)
+ overrun (flaginfo, _("resource name"));
+ re->id.u.n.name[j] = windres_get_16 (wrbfd, ers + j * 2 + 2, 2);
+ }
+
+ if (level == 0)
+ type = &re->id;
if ((rva & 0x80000000) != 0)
{
rva &=~ 0x80000000;
- if (rva >= finfo->data_end - finfo->data)
- overrun (finfo, "named subdirectory");
+ if (rva >= (rc_uint_type) (flaginfo->data_end - flaginfo->data))
+ overrun (flaginfo, _("named subdirectory"));
re->subdir = 1;
- re->u.dir = read_coff_res_dir (finfo->data + rva, finfo);
+ re->u.dir = read_coff_res_dir (wrbfd, flaginfo->data + rva, flaginfo, type,
+ level + 1);
}
else
{
- if (rva >= finfo->data_end - finfo->data)
- overrun (finfo, "named resource");
+ if (rva >= (rc_uint_type) (flaginfo->data_end - flaginfo->data))
+ overrun (flaginfo, _("named resource"));
re->subdir = 0;
- re->u.res = read_coff_data_entry (finfo->data + rva, finfo);
+ re->u.res = read_coff_data_entry (wrbfd, flaginfo->data + rva, flaginfo, type);
}
*pp = re;
for (i = 0; i < id_count; i++, ere++)
{
unsigned long name, rva;
- struct res_entry *re;
+ rc_res_entry *re;
- if ((const bfd_byte *) ere >= finfo->data_end)
- overrun (finfo, "ID directory entry");
+ if ((const bfd_byte *) ere >= flaginfo->data_end)
+ overrun (flaginfo, _("ID directory entry"));
- name = get_32 (finfo, ere->name);
- rva = get_32 (finfo, ere->rva);
+ name = windres_get_32 (wrbfd, ere->name, 4);
+ rva = windres_get_32 (wrbfd, ere->rva, 4);
- re = (struct res_entry *) xmalloc (sizeof *re);
+ re = (rc_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 >= finfo->data_end - finfo->data)
- overrun (finfo, "ID subdirectory");
+ if (rva >= (rc_uint_type) (flaginfo->data_end - flaginfo->data))
+ overrun (flaginfo, _("ID subdirectory"));
re->subdir = 1;
- re->u.dir = read_coff_res_dir (finfo->data + rva, finfo);
+ re->u.dir = read_coff_res_dir (wrbfd, flaginfo->data + rva, flaginfo, type,
+ level + 1);
}
else
{
- if (rva >= finfo->data_end - finfo->data)
- overrun (finfo, "ID resource");
+ if (rva >= (rc_uint_type) (flaginfo->data_end - flaginfo->data))
+ overrun (flaginfo, _("ID resource"));
re->subdir = 0;
- re->u.res = read_coff_data_entry (finfo->data + rva, finfo);
+ re->u.res = read_coff_data_entry (wrbfd, flaginfo->data + rva, flaginfo, type);
}
*pp = re;
/* Read a resource data entry. */
-static struct res_resource *
-read_coff_data_entry (data, finfo)
- const bfd_byte *data;
- const struct coff_file_info *finfo;
+static rc_res_resource *
+read_coff_data_entry (windres_bfd *wrbfd, const bfd_byte *data,
+ const struct coff_file_info *flaginfo,
+ const rc_res_id *type)
{
const struct extern_res_data *erd;
- struct res_resource *r;
- unsigned long size, rva;
+ rc_res_resource *r;
+ rc_uint_type size, rva;
const bfd_byte *resdata;
- if (finfo->data_end - data < sizeof (struct extern_res_data))
- overrun (finfo, "data entry");
+ if (type == NULL)
+ fatal (_("resource type unknown"));
+
+ if ((size_t) (flaginfo->data_end - data) < sizeof (struct extern_res_data))
+ overrun (flaginfo, _("data entry"));
erd = (const struct extern_res_data *) data;
- r = (struct res_resource *) xmalloc (sizeof *r);
- memset (&r->res_info, 0, sizeof (struct res_res_info));
- r->coff_info.codepage = get_32 (finfo, erd->codepage);
- r->coff_info.reserved = get_32 (finfo, erd->reserved);
-
- size = get_32 (finfo, erd->size);
- rva = get_32 (finfo, erd->rva);
- if (rva < finfo->secaddr
- || rva - finfo->secaddr >= finfo->data_end - finfo->data)
- overrun (finfo, "resource data");
-
- resdata = finfo->data + (rva - finfo->secaddr);
-
- r->type = RES_TYPE_USERDATA;
- r->u.userdata = ((struct rcdata_data *)
- xmalloc (sizeof (struct rcdata_data)));
- r->u.userdata->first = ((struct rcdata_item *)
- xmalloc (sizeof (struct rcdata_item)));
- r->u.userdata->last = r->u.userdata->first;
- r->u.userdata->first->next = NULL;
- r->u.userdata->first->type = RCDATA_BUFFER;
- r->u.userdata->first->u.buffer.length = size;
- r->u.userdata->first->u.buffer.data = (unsigned char *) resdata;
+ size = windres_get_32 (wrbfd, erd->size, 4);
+ rva = windres_get_32 (wrbfd, erd->rva, 4);
+ if (rva < flaginfo->secaddr
+ || rva - flaginfo->secaddr >= (rc_uint_type) (flaginfo->data_end - flaginfo->data))
+ overrun (flaginfo, _("resource data"));
+
+ resdata = flaginfo->data + (rva - flaginfo->secaddr);
+
+ if (size > (rc_uint_type) (flaginfo->data_end - resdata))
+ overrun (flaginfo, _("resource data size"));
+
+ r = bin_to_res (wrbfd, *type, resdata, size);
+
+ memset (&r->res_info, 0, sizeof (rc_res_res_info));
+ r->coff_info.codepage = windres_get_32 (wrbfd, erd->codepage, 4);
+ r->coff_info.reserved = windres_get_32 (wrbfd, erd->reserved, 4);
return r;
}
+\f
+/* This structure is used to build a list of bindata structures. */
+
+struct bindata_build
+{
+ /* The data. */
+ bindata *d;
+ /* The last structure we have added to the list. */
+ bindata *last;
+ /* The size of the list as a whole. */
+ unsigned long length;
+};
+
+struct coff_res_data_build
+{
+ /* The data. */
+ coff_res_data *d;
+ /* The last structure we have added to the list. */
+ coff_res_data *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. */
+ windres_bfd *wrbfd;
+ /* 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 coff_res_data_build resources;
+ /* Relocations. */
+ arelent **relocs;
+ /* Number of relocations. */
+ unsigned int reloc_count;
+};
+
+static void coff_bin_sizes (const rc_res_directory *, struct coff_write_info *);
+static bfd_byte *coff_alloc (struct bindata_build *, rc_uint_type);
+static void coff_to_bin
+ (const rc_res_directory *, struct coff_write_info *);
+static void coff_res_to_bin
+ (const rc_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 rc_res_directory *resources)
+{
+ bfd *abfd;
+ asection *sec;
+ struct coff_write_info cwi;
+ windres_bfd wrbfd;
+ bindata *d;
+ coff_res_data *rd;
+ 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_with_flags (abfd, ".rsrc",
+ (SEC_HAS_CONTENTS | SEC_ALLOC
+ | SEC_LOAD | SEC_DATA));
+ if (sec == NULL)
+ bfd_fatal ("bfd_make_section");
+
+ 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. */
+
+ set_windres_bfd (&wrbfd, abfd, sec, WR_KIND_BFD);
+
+ cwi.wrbfd = &wrbfd;
+ 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 64 bit aligned. Every other
+ structure is 64 bit aligned anyhow. */
+ cwi.dirstrsize = (cwi.dirstrsize + 7) & ~7;
+
+ /* Actually convert the resources to binary. */
+ coff_to_bin (resources, &cwi);
+
+ /* Add another few bytes to the directory strings if needed for
+ alignment. */
+ if ((cwi.dirstrs.length & 7) != 0)
+ {
+ rc_uint_type pad = 8 - (cwi.dirstrs.length & 7);
+ bfd_byte *ex;
+
+ ex = coff_alloc (& cwi.dirstrs, pad);
+ memset (ex, 0, pad);
+ }
+
+ /* 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 (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)
+ {
+ set_windres_bfd_content (&wrbfd, d->data, offset, d->length);
+ offset += d->length;
+ }
+ for (d = cwi.dataents.d; d != NULL; d = d->next)
+ {
+ set_windres_bfd_content (&wrbfd, d->data, offset, d->length);
+ offset += d->length;
+ }
+ for (rd = cwi.resources.d; rd != NULL; rd = rd->next)
+ {
+ res_to_bin (cwi.wrbfd, (rc_uint_type) offset, rd->res);
+ offset += rd->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 rc_res_directory *resdir,
+ struct coff_write_info *cwi)
+{
+ const rc_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 bfd_byte *
+coff_alloc (struct bindata_build *bb, rc_uint_type size)
+{
+ bindata *d;
+
+ d = (bindata *) reswr_alloc (sizeof (bindata));
+
+ d->next = NULL;
+ d->data = (bfd_byte *) 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 rc_res_directory *resdir, struct coff_write_info *cwi)
+{
+ struct extern_res_directory *erd;
+ int ci, cn;
+ const rc_res_entry *e;
+ struct extern_res_entry *ere;
+
+ /* Write out the directory table. */
+
+ erd = ((struct extern_res_directory *)
+ coff_alloc (&cwi->dirs, sizeof (*erd)));
+
+ windres_put_32 (cwi->wrbfd, erd->characteristics, resdir->characteristics);
+ windres_put_32 (cwi->wrbfd, erd->time, resdir->time);
+ windres_put_16 (cwi->wrbfd, erd->major, resdir->major);
+ windres_put_16 (cwi->wrbfd, erd->minor, resdir->minor);
+
+ ci = 0;
+ cn = 0;
+ for (e = resdir->entries; e != NULL; e = e->next)
+ {
+ if (e->id.named)
+ ++cn;
+ else
+ ++ci;
+ }
+
+ windres_put_16 (cwi->wrbfd, erd->name_count, cn);
+ windres_put_16 (cwi->wrbfd, erd->id_count, ci);
+
+ /* 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)
+ windres_put_32 (cwi->wrbfd, ere->name, e->id.u.id);
+ else
+ {
+ bfd_byte *str;
+ rc_uint_type i;
+
+ /* For some reason existing files seem to have the high bit
+ set on the address of the name, although that is not
+ documented. */
+ windres_put_32 (cwi->wrbfd, ere->name,
+ 0x80000000 | (cwi->dirsize + cwi->dirstrs.length));
+
+ str = coff_alloc (&cwi->dirstrs, e->id.u.n.length * 2 + 2);
+ windres_put_16 (cwi->wrbfd, str, e->id.u.n.length);
+ for (i = 0; i < e->id.u.n.length; i++)
+ windres_put_16 (cwi->wrbfd, str + (i + 1) * sizeof (unichar), e->id.u.n.name[i]);
+ }
+
+ if (e->subdir)
+ {
+ windres_put_32 (cwi->wrbfd, ere->rva, 0x80000000 | cwi->dirs.length);
+ coff_to_bin (e->u.dir, cwi);
+ }
+ else
+ {
+ windres_put_32 (cwi->wrbfd, ere->rva,
+ cwi->dirsize + cwi->dirstrsize + cwi->dataents.length);
+
+ coff_res_to_bin (e->u.res, cwi);
+ }
+ }
+}
+
+/* Convert the resource RES to binary. */
+
+static void
+coff_res_to_bin (const rc_res_resource *res, struct coff_write_info *cwi)
+{
+ arelent *r;
+ struct extern_res_data *erd;
+ coff_res_data *d;
+
+ /* 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 (WR_BFD (cwi->wrbfd), 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));
+
+ windres_put_32 (cwi->wrbfd, erd->rva,
+ (cwi->dirsize
+ + cwi->dirstrsize
+ + cwi->dataentsize
+ + cwi->resources.length));
+ windres_put_32 (cwi->wrbfd, erd->codepage, res->coff_info.codepage);
+ windres_put_32 (cwi->wrbfd, erd->reserved, res->coff_info.reserved);
+
+ d = (coff_res_data *) reswr_alloc (sizeof (coff_res_data));
+ d->length = res_to_bin (NULL, (rc_uint_type) 0, res);
+ d->res = res;
+ d->next = NULL;
+
+ if (cwi->resources.d == NULL)
+ cwi->resources.d = d;
+ else
+ cwi->resources.last->next = d;
+
+ cwi->resources.last = d;
+ cwi->resources.length += (d->length + 7) & ~7;
+
+ windres_put_32 (cwi->wrbfd, erd->size, d->length);
+
+ /* Force the next resource to have 64 bit alignment. */
+ d->length = (d->length + 7) & ~7;
+}
projects / deliverable / binutils-gdb.git / blobdiff