768 lines
22 KiB
C
768 lines
22 KiB
C
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/* rescoff.c -- read and write resources in Windows COFF files.
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Copyright (C) 1997-2022 Free Software Foundation, Inc.
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Written by Ian Lance Taylor, Cygnus Support.
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Rewritten by Kai Tietz, Onevision.
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This file is part of GNU Binutils.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
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02110-1301, USA. */
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/* This file contains function that read and write Windows resources
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in COFF files. */
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#include "sysdep.h"
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#include "bfd.h"
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#include "bucomm.h"
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#include "libiberty.h"
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#include "windres.h"
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#include <assert.h>
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/* In order to use the address of a resource data entry, we need to
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get the image base of the file. Right now we extract it from
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internal BFD information. FIXME. */
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#include "coff/internal.h"
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#include "libcoff.h"
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/* Information we extract from the file. */
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struct coff_file_info
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{
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/* File name. */
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const char *filename;
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/* Data read from the file. */
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const bfd_byte *data;
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/* End of data read from file. */
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const bfd_byte *data_end;
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/* Address of the resource section minus the image base of the file. */
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rc_uint_type secaddr;
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};
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/* A resource directory table in a COFF file. */
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struct __attribute__ ((__packed__)) extern_res_directory
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{
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/* Characteristics. */
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bfd_byte characteristics[4];
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/* Time stamp. */
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bfd_byte time[4];
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/* Major version number. */
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bfd_byte major[2];
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/* Minor version number. */
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bfd_byte minor[2];
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/* Number of named directory entries. */
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bfd_byte name_count[2];
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/* Number of directory entries with IDs. */
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bfd_byte id_count[2];
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};
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/* A resource directory entry in a COFF file. */
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struct extern_res_entry
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{
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/* Name or ID. */
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bfd_byte name[4];
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/* Address of resource entry or subdirectory. */
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bfd_byte rva[4];
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};
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/* A resource data entry in a COFF file. */
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struct extern_res_data
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{
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/* Address of resource data. This is apparently a file relative
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address, rather than a section offset. */
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bfd_byte rva[4];
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/* Size of resource data. */
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bfd_byte size[4];
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/* Code page. */
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bfd_byte codepage[4];
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/* Reserved. */
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bfd_byte reserved[4];
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};
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/* Local functions. */
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static void overrun (const struct coff_file_info *, const char *);
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static rc_res_directory *read_coff_res_dir (windres_bfd *, const bfd_byte *,
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const struct coff_file_info *,
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const rc_res_id *, int);
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static rc_res_resource *read_coff_data_entry (windres_bfd *, const bfd_byte *,
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const struct coff_file_info *,
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const rc_res_id *);
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/* Read the resources in a COFF file. */
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rc_res_directory *
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read_coff_rsrc (const char *filename, const char *target)
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{
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rc_res_directory *ret;
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bfd *abfd;
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windres_bfd wrbfd;
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char **matching;
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asection *sec;
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bfd_size_type size;
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bfd_byte *data;
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struct coff_file_info flaginfo;
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if (filename == NULL)
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fatal (_("filename required for COFF input"));
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abfd = bfd_openr (filename, target);
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if (abfd == NULL)
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bfd_fatal (filename);
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if (! bfd_check_format_matches (abfd, bfd_object, &matching))
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{
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bfd_nonfatal (bfd_get_filename (abfd));
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if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
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list_matching_formats (matching);
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xexit (1);
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}
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sec = bfd_get_section_by_name (abfd, ".rsrc");
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if (sec == NULL)
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{
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fatal (_("%s: no resource section"), filename);
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}
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set_windres_bfd (&wrbfd, abfd, sec, WR_KIND_BFD);
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size = bfd_section_size (sec);
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/* PR 17512: file: 1b25ba5d
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The call to get_file_size here may be expensive
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but there is no other way to determine if the section size
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is reasonable. */
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if (size > (bfd_size_type) get_file_size (filename))
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fatal (_("%s: .rsrc section is bigger than the file!"), filename);
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data = (bfd_byte *) res_alloc (size);
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get_windres_bfd_content (&wrbfd, data, 0, size);
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flaginfo.filename = filename;
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flaginfo.data = data;
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flaginfo.data_end = data + size;
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flaginfo.secaddr = (bfd_section_vma (sec)
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- pe_data (abfd)->pe_opthdr.ImageBase);
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/* Now just read in the top level resource directory. Note that we
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don't free data, since we create resource entries that point into
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it. If we ever want to free up the resource information we read,
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this will have to be cleaned up. */
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ret = read_coff_res_dir (&wrbfd, data, &flaginfo, (const rc_res_id *) NULL, 0);
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bfd_close (abfd);
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return ret;
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}
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/* Give an error if we are out of bounds. */
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static void
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overrun (const struct coff_file_info *flaginfo, const char *msg)
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{
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fatal (_("%s: %s: address out of bounds"), flaginfo->filename, msg);
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}
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/* Read a resource directory. */
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static rc_res_directory *
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read_coff_res_dir (windres_bfd *wrbfd, const bfd_byte *data,
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const struct coff_file_info *flaginfo,
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const rc_res_id *type, int level)
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{
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const struct extern_res_directory *erd;
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rc_res_directory *rd;
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int name_count, id_count, i;
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rc_res_entry **pp;
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const struct extern_res_entry *ere;
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/* PR 17512: file: 09d80f53.
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Whilst in theory resources can nest to any level, in practice
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Microsoft only defines 3 levels. Corrupt files however might
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claim to use more. */
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if (level > 4)
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overrun (flaginfo, _("Resources nest too deep"));
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if ((size_t) (flaginfo->data_end - data) < sizeof (struct extern_res_directory))
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overrun (flaginfo, _("directory"));
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erd = (const struct extern_res_directory *) data;
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rd = (rc_res_directory *) res_alloc (sizeof (rc_res_directory));
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rd->characteristics = windres_get_32 (wrbfd, erd->characteristics, 4);
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rd->time = windres_get_32 (wrbfd, erd->time, 4);
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rd->major = windres_get_16 (wrbfd, erd->major, 2);
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rd->minor = windres_get_16 (wrbfd, erd->minor, 2);
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rd->entries = NULL;
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name_count = windres_get_16 (wrbfd, erd->name_count, 2);
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id_count = windres_get_16 (wrbfd, erd->id_count, 2);
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pp = &rd->entries;
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/* The resource directory entries immediately follow the directory
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table. */
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ere = (const struct extern_res_entry *) (erd + 1);
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for (i = 0; i < name_count; i++, ere++)
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{
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rc_uint_type name, rva;
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rc_res_entry *re;
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const bfd_byte *ers;
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int length, j;
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if ((const bfd_byte *) ere >= flaginfo->data_end)
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overrun (flaginfo, _("named directory entry"));
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name = windres_get_32 (wrbfd, ere->name, 4);
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rva = windres_get_32 (wrbfd, ere->rva, 4);
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/* For some reason the high bit in NAME is set. */
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name &=~ 0x80000000;
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if (name > (rc_uint_type) (flaginfo->data_end - flaginfo->data))
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overrun (flaginfo, _("directory entry name"));
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ers = flaginfo->data + name;
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re = (rc_res_entry *) res_alloc (sizeof *re);
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re->next = NULL;
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re->id.named = 1;
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length = windres_get_16 (wrbfd, ers, 2);
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re->id.u.n.length = length;
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re->id.u.n.name = (unichar *) res_alloc (length * sizeof (unichar));
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for (j = 0; j < length; j++)
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{
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/* PR 17512: file: 05dc4a16. */
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if (length < 0 || ers >= flaginfo->data_end || ers + j * 2 + 4 >= flaginfo->data_end)
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overrun (flaginfo, _("resource name"));
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re->id.u.n.name[j] = windres_get_16 (wrbfd, ers + j * 2 + 2, 2);
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}
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if (level == 0)
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type = &re->id;
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if ((rva & 0x80000000) != 0)
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{
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rva &=~ 0x80000000;
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if (rva >= (rc_uint_type) (flaginfo->data_end - flaginfo->data))
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overrun (flaginfo, _("named subdirectory"));
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re->subdir = 1;
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re->u.dir = read_coff_res_dir (wrbfd, flaginfo->data + rva, flaginfo, type,
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level + 1);
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}
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else
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{
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if (rva >= (rc_uint_type) (flaginfo->data_end - flaginfo->data))
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overrun (flaginfo, _("named resource"));
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re->subdir = 0;
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re->u.res = read_coff_data_entry (wrbfd, flaginfo->data + rva, flaginfo, type);
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}
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*pp = re;
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pp = &re->next;
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}
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for (i = 0; i < id_count; i++, ere++)
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{
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unsigned long name, rva;
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rc_res_entry *re;
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if ((const bfd_byte *) ere >= flaginfo->data_end)
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overrun (flaginfo, _("ID directory entry"));
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name = windres_get_32 (wrbfd, ere->name, 4);
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rva = windres_get_32 (wrbfd, ere->rva, 4);
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re = (rc_res_entry *) res_alloc (sizeof *re);
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re->next = NULL;
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re->id.named = 0;
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re->id.u.id = name;
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if (level == 0)
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type = &re->id;
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if ((rva & 0x80000000) != 0)
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{
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rva &=~ 0x80000000;
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if (rva >= (rc_uint_type) (flaginfo->data_end - flaginfo->data))
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overrun (flaginfo, _("ID subdirectory"));
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re->subdir = 1;
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re->u.dir = read_coff_res_dir (wrbfd, flaginfo->data + rva, flaginfo, type,
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level + 1);
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}
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else
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{
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if (rva >= (rc_uint_type) (flaginfo->data_end - flaginfo->data))
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overrun (flaginfo, _("ID resource"));
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re->subdir = 0;
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re->u.res = read_coff_data_entry (wrbfd, flaginfo->data + rva, flaginfo, type);
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}
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*pp = re;
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pp = &re->next;
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}
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return rd;
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}
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/* Read a resource data entry. */
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static rc_res_resource *
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read_coff_data_entry (windres_bfd *wrbfd, const bfd_byte *data,
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const struct coff_file_info *flaginfo,
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const rc_res_id *type)
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{
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const struct extern_res_data *erd;
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rc_res_resource *r;
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rc_uint_type size, rva;
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const bfd_byte *resdata;
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if (type == NULL)
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fatal (_("resource type unknown"));
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if ((size_t) (flaginfo->data_end - data) < sizeof (struct extern_res_data))
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overrun (flaginfo, _("data entry"));
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erd = (const struct extern_res_data *) data;
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size = windres_get_32 (wrbfd, erd->size, 4);
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rva = windres_get_32 (wrbfd, erd->rva, 4);
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if (rva < flaginfo->secaddr
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|| rva - flaginfo->secaddr >= (rc_uint_type) (flaginfo->data_end - flaginfo->data))
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overrun (flaginfo, _("resource data"));
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resdata = flaginfo->data + (rva - flaginfo->secaddr);
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if (size > (rc_uint_type) (flaginfo->data_end - resdata))
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overrun (flaginfo, _("resource data size"));
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r = bin_to_res (wrbfd, *type, resdata, size);
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memset (&r->res_info, 0, sizeof (rc_res_res_info));
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r->coff_info.codepage = windres_get_32 (wrbfd, erd->codepage, 4);
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r->coff_info.reserved = windres_get_32 (wrbfd, erd->reserved, 4);
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return r;
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}
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/* This structure is used to build a list of bindata structures. */
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struct bindata_build
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{
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/* The data. */
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bindata *d;
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/* The last structure we have added to the list. */
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bindata *last;
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/* The size of the list as a whole. */
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unsigned long length;
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};
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struct coff_res_data_build
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{
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/* The data. */
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coff_res_data *d;
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/* The last structure we have added to the list. */
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coff_res_data *last;
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/* The size of the list as a whole. */
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unsigned long length;
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};
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/* This structure keeps track of information as we build the directory
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tree. */
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struct coff_write_info
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{
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/* These fields are based on the BFD. */
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/* The BFD itself. */
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windres_bfd *wrbfd;
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/* Pointer to section symbol used to build RVA relocs. */
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asymbol **sympp;
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/* These fields are computed initially, and then not changed. */
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/* Length of directory tables and entries. */
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unsigned long dirsize;
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/* Length of directory entry strings. */
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unsigned long dirstrsize;
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/* Length of resource data entries. */
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unsigned long dataentsize;
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/* These fields are updated as we add data. */
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/* Directory tables and entries. */
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|
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;
|
|||
|
}
|