| /* rescoff.c -- read and write resources in Windows COFF files. |
| Copyright (C) 1997-2016 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 3 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 "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. */ |
| |
| #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. */ |
| rc_uint_type secaddr; |
| }; |
| |
| /* A resource directory table in a COFF file. */ |
| |
| struct __attribute__ ((__packed__)) 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]; |
| }; |
| |
| /* Local functions. */ |
| |
| 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 *); |
| |
| /* Read the resources in a COFF file. */ |
| |
| 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 flaginfo; |
| |
| 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); |
| } |
| |
| set_windres_bfd (&wrbfd, abfd, sec, WR_KIND_BFD); |
| size = bfd_section_size (abfd, 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); |
| |
| data = (bfd_byte *) res_alloc (size); |
| get_windres_bfd_content (&wrbfd, data, 0, size); |
| |
| flaginfo.filename = filename; |
| flaginfo.data = data; |
| flaginfo.data_end = data + size; |
| flaginfo.secaddr = (bfd_get_section_vma (abfd, 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. */ |
| |
| 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 (const struct coff_file_info *flaginfo, const char *msg) |
| { |
| fatal (_("%s: %s: address out of bounds"), flaginfo->filename, msg); |
| } |
| |
| /* Read a resource directory. */ |
| |
| 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; |
| rc_res_directory *rd; |
| int name_count, id_count, i; |
| rc_res_entry **pp; |
| const struct extern_res_entry *ere; |
| |
| /* 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 = (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 = windres_get_16 (wrbfd, erd->name_count, 2); |
| id_count = windres_get_16 (wrbfd, erd->id_count, 2); |
| |
| 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++) |
| { |
| rc_uint_type name, rva; |
| rc_res_entry *re; |
| const bfd_byte *ers; |
| int length, j; |
| |
| if ((const bfd_byte *) ere >= flaginfo->data_end) |
| overrun (flaginfo, _("named directory entry")); |
| |
| 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 > (rc_uint_type) (flaginfo->data_end - flaginfo->data)) |
| overrun (flaginfo, _("directory entry name")); |
| |
| ers = flaginfo->data + name; |
| |
| re = (rc_res_entry *) res_alloc (sizeof *re); |
| re->next = NULL; |
| re->id.named = 1; |
| length = windres_get_16 (wrbfd, ers, 2); |
| re->id.u.n.length = length; |
| re->id.u.n.name = (unichar *) res_alloc (length * sizeof (unichar)); |
| for (j = 0; j < length; j++) |
| { |
| /* 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 >= (rc_uint_type) (flaginfo->data_end - flaginfo->data)) |
| overrun (flaginfo, _("named subdirectory")); |
| re->subdir = 1; |
| re->u.dir = read_coff_res_dir (wrbfd, flaginfo->data + rva, flaginfo, type, |
| level + 1); |
| } |
| else |
| { |
| if (rva >= (rc_uint_type) (flaginfo->data_end - flaginfo->data)) |
| overrun (flaginfo, _("named resource")); |
| re->subdir = 0; |
| re->u.res = read_coff_data_entry (wrbfd, flaginfo->data + rva, flaginfo, type); |
| } |
| |
| *pp = re; |
| pp = &re->next; |
| } |
| |
| for (i = 0; i < id_count; i++, ere++) |
| { |
| unsigned long name, rva; |
| rc_res_entry *re; |
| |
| if ((const bfd_byte *) ere >= flaginfo->data_end) |
| overrun (flaginfo, _("ID directory entry")); |
| |
| name = windres_get_32 (wrbfd, ere->name, 4); |
| rva = windres_get_32 (wrbfd, ere->rva, 4); |
| |
| 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 >= (rc_uint_type) (flaginfo->data_end - flaginfo->data)) |
| overrun (flaginfo, _("ID subdirectory")); |
| re->subdir = 1; |
| re->u.dir = read_coff_res_dir (wrbfd, flaginfo->data + rva, flaginfo, type, |
| level + 1); |
| } |
| else |
| { |
| if (rva >= (rc_uint_type) (flaginfo->data_end - flaginfo->data)) |
| overrun (flaginfo, _("ID resource")); |
| re->subdir = 0; |
| re->u.res = read_coff_data_entry (wrbfd, flaginfo->data + rva, flaginfo, type); |
| } |
| |
| *pp = re; |
| pp = &re->next; |
| } |
| |
| return rd; |
| } |
| |
| /* Read a resource data entry. */ |
| |
| 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; |
| rc_res_resource *r; |
| rc_uint_type size, rva; |
| const bfd_byte *resdata; |
| |
| 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; |
| |
| 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; |
| } |
| |
| /* 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 (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) |
| { |
| 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; |
| } |