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Diffstat (limited to 'binutils/windres.c')
| -rw-r--r-- | binutils/windres.c | 912 |
1 files changed, 912 insertions, 0 deletions
diff --git a/binutils/windres.c b/binutils/windres.c new file mode 100644 index 0000000..d08fb97 --- /dev/null +++ b/binutils/windres.c @@ -0,0 +1,912 @@ +/* windres.c -- a program to manipulate Windows resources + Copyright 1997 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., 59 Temple Place - Suite 330, Boston, MA + 02111-1307, USA. */ + +/* This program can read and write Windows resources in various + formats. In particular, it can act like the rc resource compiler + program, and it can act like the cvtres res to COFF conversion + program. + + It is based on information taken from the following sources: + + * Microsoft documentation. + + * The rcl program, written by Gunther Ebert + <gunther.ebert@ixos-leipzig.de>. + + * The res2coff program, written by Pedro A. Aranda <paag@tid.es>. + + */ + +#include "bfd.h" +#include "getopt.h" +#include "bucomm.h" +#include "libiberty.h" +#include "windres.h" + +#include <assert.h> +#include <ctype.h> + +/* An enumeration of format types. */ + +enum res_format +{ + /* Unknown format. */ + RES_FORMAT_UNKNOWN, + /* Textual RC file. */ + RES_FORMAT_RC, + /* Binary RES file. */ + RES_FORMAT_RES, + /* COFF file. */ + RES_FORMAT_COFF +}; + +/* A structure used to map between format types and strings. */ + +struct format_map +{ + const char *name; + enum res_format format; +}; + +/* A mapping between names and format types. */ + +static const struct format_map format_names[] = +{ + { "rc", RES_FORMAT_RC }, + { "res", RES_FORMAT_RES }, + { "coff", RES_FORMAT_COFF }, + { NULL, RES_FORMAT_UNKNOWN } +}; + +/* A mapping from file extensions to format types. */ + +static const struct format_map format_fileexts[] = +{ + { "rc", RES_FORMAT_RC }, + { "res", RES_FORMAT_RES }, + { "exe", RES_FORMAT_COFF }, + { "obj", RES_FORMAT_COFF }, + { "o", RES_FORMAT_COFF }, + { NULL, RES_FORMAT_UNKNOWN } +}; + +/* A list of include directories. */ + +struct include_dir +{ + struct include_dir *next; + char *dir; +}; + +static struct include_dir *include_dirs; + +/* Long options. */ + +/* 150 isn't special; it's just an arbitrary non-ASCII char value. */ + +#define OPTION_DEFINE 150 +#define OPTION_HELP (OPTION_DEFINE + 1) +#define OPTION_INCLUDE_DIR (OPTION_HELP + 1) +#define OPTION_LANGUAGE (OPTION_INCLUDE_DIR + 1) +#define OPTION_PREPROCESSOR (OPTION_LANGUAGE + 1) +#define OPTION_VERSION (OPTION_PREPROCESSOR + 1) +#define OPTION_YYDEBUG (OPTION_VERSION + 1) + +static const struct option long_options[] = +{ + {"define", required_argument, 0, OPTION_DEFINE}, + {"help", no_argument, 0, OPTION_HELP}, + {"include-dir", required_argument, 0, OPTION_INCLUDE_DIR}, + {"input-format", required_argument, 0, 'I'}, + {"language", required_argument, 0, OPTION_LANGUAGE}, + {"output-format", required_argument, 0, 'O'}, + {"preprocessor", required_argument, 0, OPTION_PREPROCESSOR}, + {"target", required_argument, 0, 'F'}, + {"version", no_argument, 0, OPTION_VERSION}, + {"yydebug", no_argument, 0, OPTION_YYDEBUG}, + {0, no_argument, 0, 0} +}; + +/* Static functions. */ + +static enum res_format format_from_name PARAMS ((const char *)); +static enum res_format format_from_filename PARAMS ((const char *, int)); +static void usage PARAMS ((FILE *, int)); + +/* Open a file using the include directory search list. */ + +FILE * +open_file_search (filename, mode, errmsg, real_filename) + const char *filename; + const char *mode; + const char *errmsg; + char **real_filename; +{ + FILE *e; + struct include_dir *d; + + e = fopen (filename, mode); + if (e != NULL) + { + *real_filename = xstrdup (filename); + return e; + } + + if (errno == ENOENT) + { + for (d = include_dirs; d != NULL; d = d->next) + { + char *n; + + n = (char *) xmalloc (strlen (d->dir) + strlen (filename) + 2); + sprintf (n, "%s/%s", d->dir, filename); + e = fopen (n, mode); + if (e != NULL) + { + *real_filename = n; + return e; + } + + if (errno != ENOENT) + break; + } + } + + fatal ("can't open %s `%s': %s", errmsg, filename, strerror (errno)); + + /* Return a value to avoid a compiler warning. */ + return NULL; +} + +/* Unicode support. */ + +/* Convert an ASCII string to a unicode string. We just copy it, + expanding chars to shorts, rather than doing something intelligent. */ + +void +unicode_from_ascii (length, unicode, ascii) + unsigned short *length; + unsigned short **unicode; + const char *ascii; +{ + int len; + const char *s; + unsigned short *w; + + len = strlen (ascii); + + if (length != NULL) + { + if (len > 0xffff) + fatal ("string too long (%d chars > 0xffff)", len); + *length = len; + } + + *unicode = (unsigned short *) xmalloc ((len + 1) * sizeof (unsigned short)); + + for (s = ascii, w = *unicode; *s != '\0'; s++, w++) + *w = *s & 0xff; + *w = 0; +} + +/* Print the unicode string UNICODE to the file E. LENGTH is the + number of characters to print, or -1 if we should print until the + end of the string. */ + +void +unicode_print (e, unicode, length) + FILE *e; + const unsigned short *unicode; + int length; +{ + while (1) + { + unsigned short ch; + + if (length == 0) + return; + if (length > 0) + --length; + + ch = *unicode; + + if (ch == 0) + return; + + ++unicode; + + if ((ch & 0x7f) == ch && isprint (ch)) + putc (ch, e); + else if ((ch & 0xff) == ch) + fprintf (e, "\\%03o", (unsigned int) ch); + else + fprintf (e, "\\x%x", (unsigned int) ch); + } +} + +/* Compare two resource ID's. We consider name entries to come before + numeric entries, because that is how they appear in the COFF .rsrc + section. */ + +int +res_id_cmp (a, b) + struct res_id a; + struct res_id b; +{ + if (! a.named) + { + if (b.named) + return 1; + if (a.u.id > b.u.id) + return 1; + else if (a.u.id < b.u.id) + return -1; + else + return 0; + } + else + { + unsigned short *as, *ase, *bs, *bse; + + if (! b.named) + return -1; + + as = a.u.n.name; + ase = as + a.u.n.length; + bs = b.u.n.name; + bse = bs + b.u.n.length; + + while (as < ase) + { + int i; + + if (bs >= bse) + return 1; + i = (int) *as - (int) *bs; + if (i != 0) + return i; + ++as; + ++bs; + } + + if (bs < bse) + return -1; + + return 0; + } +} + +/* Print a resource ID. */ + +void +res_id_print (stream, id, quote) + FILE *stream; + struct res_id id; + int quote; +{ + if (! id.named) + fprintf (stream, "%lu", id.u.id); + else + { + unsigned short *s, *se; + + if (quote) + putc ('"', stream); + s = id.u.n.name; + se = s + id.u.n.length; + while (s < se) + { + if (*s == '"') + fprintf (stream, "\\\""); + else if ((*s & 0xff) == *s && isprint (*s)) + putc (*s, stream); + else + fprintf (stream, "\\%03o", *s); + ++s; + } + if (quote) + putc ('"', stream); + } +} + +/* Print a list of resource ID's. */ + +void +res_ids_print (stream, cids, ids) + FILE *stream; + int cids; + const struct res_id *ids; +{ + int i; + + for (i = 0; i < cids; i++) + { + res_id_print (stream, ids[i], 1); + if (i + 1 < cids) + fprintf (stream, ": "); + } +} + +/* Convert an ASCII string to a resource ID. */ + +void +res_string_to_id (res_id, string) + struct res_id *res_id; + const char *string; +{ + res_id->named = 1; + unicode_from_ascii (&res_id->u.n.length, &res_id->u.n.name, string); +} + +/* Define a resource. The arguments are the resource tree, RESOURCES, + and the location at which to put it in the tree, CIDS and IDS. + This returns a newly allocated res_resource structure, which the + caller is expected to initialize. If DUPOK is non-zero, then if a + resource with this ID exists, it is returned. Otherwise, a warning + is issued, and a new resource is created replacing the existing + one. */ + +struct res_resource * +define_resource (resources, cids, ids, dupok) + struct res_directory **resources; + int cids; + const struct res_id *ids; + int dupok; +{ + struct res_entry *re = NULL; + int i; + + assert (cids > 0); + for (i = 0; i < cids; i++) + { + struct res_entry **pp; + + if (*resources == NULL) + { + *resources = (struct res_directory *) xmalloc (sizeof **resources); + (*resources)->characteristics = 0; + (*resources)->time = 0; + (*resources)->major = 0; + (*resources)->minor = 0; + (*resources)->entries = NULL; + } + + for (pp = &(*resources)->entries; *pp != NULL; pp = &(*pp)->next) + if (res_id_cmp ((*pp)->id, ids[i]) == 0) + break; + + if (*pp != NULL) + re = *pp; + else + { + re = (struct res_entry *) xmalloc (sizeof *re); + re->next = NULL; + re->id = ids[i]; + if ((i + 1) < cids) + { + re->subdir = 1; + re->u.dir = NULL; + } + else + { + re->subdir = 0; + re->u.res = NULL; + } + + *pp = re; + } + + if ((i + 1) < cids) + { + if (! re->subdir) + { + fprintf (stderr, "%s: ", program_name); + res_ids_print (stderr, i, ids); + fprintf (stderr, ": expected to be a directory\n"); + xexit (1); + } + + resources = &re->u.dir; + } + } + + if (re->subdir) + { + fprintf (stderr, "%s: ", program_name); + res_ids_print (stderr, cids, ids); + fprintf (stderr, ": expected to be a leaf\n"); + xexit (1); + } + + if (re->u.res != NULL) + { + if (dupok) + return re->u.res; + + fprintf (stderr, "%s: warning: ", program_name); + res_ids_print (stderr, cids, ids); + fprintf (stderr, ": duplicate value\n"); + } + + re->u.res = (struct res_resource *) xmalloc (sizeof (struct res_resource)); + + re->u.res->type = RES_TYPE_UNINITIALIZED; + memset (&re->u.res->res_info, 0, sizeof (struct res_res_info)); + memset (&re->u.res->coff_info, 0, sizeof (struct res_coff_info)); + + return re->u.res; +} + +/* Define a standard resource. This is a version of define_resource + that just takes type, name, and language arguments. */ + +struct res_resource * +define_standard_resource (resources, type, name, language, dupok) + struct res_directory **resources; + int type; + struct res_id name; + int language; + int dupok; +{ + struct res_id a[3]; + + a[0].named = 0; + a[0].u.id = type; + a[1] = name; + a[2].named = 0; + a[2].u.id = language; + return define_resource (resources, 3, a, dupok); +} + +/* Return whether the dialog resource DIALOG is a DIALOG or a + DIALOGEX. */ + +int +extended_dialog (dialog) + const struct dialog *dialog; +{ + const struct dialog_control *c; + + if (dialog->ex != NULL) + return 1; + + for (c = dialog->controls; c != NULL; c = c->next) + if (c->data != NULL || c->help != 0) + return 1; + + return 0; +} + +/* Return whether MENUITEMS are a MENU or a MENUEX. */ + +int +extended_menu (menuitems) + const struct menuitem *menuitems; +{ + const struct menuitem *mi; + + for (mi = menuitems; mi != NULL; mi = mi->next) + { + if (mi->help != 0 || mi->state != 0) + return 1; + if (mi->popup != NULL && mi->id != 0) + return 1; + if ((mi->type + & ~ (MENUITEM_CHECKED + | MENUITEM_GRAYED + | MENUITEM_HELP + | MENUITEM_INACTIVE + | MENUITEM_MENUBARBREAK + | MENUITEM_MENUBREAK)) + != 0) + return 1; + if (mi->popup != NULL) + { + if (extended_menu (mi->popup)) + return 1; + } + } + + return 0; +} + +/* Convert a string to a format type, or exit if it can't be done. */ + +static enum res_format +format_from_name (name) + const char *name; +{ + const struct format_map *m; + + for (m = format_names; m->name != NULL; m++) + if (strcasecmp (m->name, name) == 0) + break; + + if (m->name == NULL) + { + fprintf (stderr, "%s: unknown format type `%s'\n", program_name, name); + fprintf (stderr, "%s: supported formats:", program_name); + for (m = format_names; m->name != NULL; m++) + fprintf (stderr, " %s", m->name); + fprintf (stderr, "\n"); + xexit (1); + } + + return m->format; +} + +/* Work out a format type given a file name. If INPUT is non-zero, + it's OK to look at the file itself. */ + +static enum res_format +format_from_filename (filename, input) + const char *filename; + int input; +{ + const char *ext; + FILE *e; + unsigned char b1, b2, b3, b4, b5; + int magic; + + /* If we have an extension, see if we recognize it as implying a + particular format. */ + ext = strrchr (filename, '.'); + if (ext != NULL) + { + const struct format_map *m; + + ++ext; + for (m = format_fileexts; m->name != NULL; m++) + if (strcasecmp (m->name, ext) == 0) + return m->format; + } + + /* If we don't recognize the name of an output file, assume it's a + COFF file. */ + + if (! input) + return RES_FORMAT_COFF; + + /* Read the first few bytes of the file to see if we can guess what + it is. */ + + e = fopen (filename, FOPEN_RB); + if (e == NULL) + fatal ("%s: %s", filename, strerror (errno)); + + b1 = getc (e); + b2 = getc (e); + b3 = getc (e); + b4 = getc (e); + b5 = getc (e); + + fclose (e); + + /* A PE executable starts with 0x4d 0x5a 0x90 0x00. */ + if (b1 == 0x4d && b2 == 0x5a && b3 == 0x90 && b4 == 0) + return RES_FORMAT_COFF; + + /* A COFF .o file starts with a COFF magic number. */ + magic = (b2 << 8) | b1; + switch (magic) + { + case 0x14c: /* i386 */ + case 0x166: /* MIPS */ + case 0x184: /* Alpha */ + case 0x268: /* 68k */ + case 0x1f0: /* PowerPC */ + case 0x290: /* PA */ + return RES_FORMAT_COFF; + } + + /* A RES file starts with 0x0 0x0 0x0 0x0 0x20 0x0 0x0 0x0. */ + if (b1 == 0 && b2 == 0 && b3 == 0 && b4 == 0 && b5 == 0x20) + return RES_FORMAT_RES; + + /* If every character is printable or space, assume it's an RC file. */ + if ((isprint (b1) || isspace (b1)) + && (isprint (b2) || isspace (b2)) + && (isprint (b3) || isspace (b3)) + && (isprint (b4) || isspace (b4)) + && (isprint (b5) || isspace (b5))) + return RES_FORMAT_RC; + + /* Otherwise, we give up. */ + fatal ("can not determine type of file `%s'; use the -I option", + filename); + + /* Return something to silence the compiler warning. */ + return RES_FORMAT_UNKNOWN; +} + +/* Print a usage message and exit. */ + +static void +usage (stream, status) + FILE *stream; + int status; +{ + fprintf (stream, "Usage: %s [options] [input-file] [output-file]\n", + program_name); + fprintf (stream, "\ +Options:\n\ + -i FILE, --input FILE Name input file\n\ + -o FILE, --output FILE Name output file\n\ + -I FORMAT, --input-format FORMAT\n\ + Specify input format\n\ + -O FORMAT, --output-format FORMAT\n\ + Specify output format\n\ + -F TARGET, --target TARGET Specify COFF target\n\ + --preprocessor PROGRAM Program to use to preprocess rc file\n\ + --include-dir DIR Include directory when preprocessing rc file\n\ + --define SYM[=VAL] Define SYM when preprocessing rc file\n\ + --language VAL Set language when reading rc file\n\ +#ifdef YYDEBUG + --yydebug Turn on parser debugging\n\ +#endif + --help Print this help message\n\ + --version Print version information\n"); + fprintf (stream, "\ +FORMAT is one of rc, res, or coff, and is deduced from the file name\n\ +extension if not specified. A single file name is an input file.\n\ +No input-file is stdin, default rc. No output-file is stdout, default rc.\n"); + list_supported_targets (program_name, stream); + if (status == 0) + fprintf (stream, "Report bugs to bug-gnu-utils@prep.ai.mit.edu\n"); + exit (status); +} + +/* The main function. */ + +int +main (argc, argv) + int argc; + char **argv; +{ + int c; + char *input_filename; + char *output_filename; + enum res_format input_format; + enum res_format output_format; + char *target; + char *preprocessor; + char *preprocargs; + int language; + struct res_directory *resources; + + program_name = argv[0]; + xmalloc_set_program_name (program_name); + + bfd_init (); + set_default_bfd_target (); + + input_filename = NULL; + output_filename = NULL; + input_format = RES_FORMAT_UNKNOWN; + output_format = RES_FORMAT_UNKNOWN; + target = NULL; + preprocessor = NULL; + preprocargs = NULL; + language = -1; + + while ((c = getopt_long (argc, argv, "i:o:I:O:F:", long_options, + (int *) 0)) != EOF) + { + switch (c) + { + case 'i': + input_filename = optarg; + break; + + case 'o': + output_filename = optarg; + break; + + case 'I': + input_format = format_from_name (optarg); + break; + + case 'O': + output_format = format_from_name (optarg); + break; + + case 'F': + target = optarg; + break; + + case OPTION_PREPROCESSOR: + preprocessor = optarg; + break; + + case OPTION_DEFINE: + if (preprocargs == NULL) + { + preprocargs = xmalloc (strlen (optarg) + 3); + sprintf (preprocargs, "-D%s", optarg); + } + else + { + char *n; + + n = xmalloc (strlen (preprocargs) + strlen (optarg) + 4); + sprintf (n, "%s -D%s", preprocargs, optarg); + free (preprocargs); + preprocargs = n; + } + break; + + case OPTION_INCLUDE_DIR: + if (preprocargs == NULL) + { + preprocargs = xmalloc (strlen (optarg) + 3); + sprintf (preprocargs, "-I%s", optarg); + } + else + { + char *n; + + n = xmalloc (strlen (preprocargs) + strlen (optarg) + 4); + sprintf (n, "%s -I%s", preprocargs, optarg); + free (preprocargs); + preprocargs = n; + } + + { + struct include_dir *n, **pp; + + n = (struct include_dir *) xmalloc (sizeof *n); + n->next = NULL; + n->dir = optarg; + + for (pp = &include_dirs; *pp != NULL; pp = &(*pp)->next) + ; + *pp = n; + } + + break; + + case OPTION_LANGUAGE: + language = strtol (optarg, (char **) NULL, 16); + break; + +#ifdef YYDEBUG + case OPTION_YYDEBUG: + yydebug = 1; + break; +#endif + + case OPTION_HELP: + usage (stdout, 0); + break; + + case OPTION_VERSION: + print_version ("windres"); + break; + + default: + usage (stderr, 1); + break; + } + } + + if (input_filename == NULL && optind < argc) + { + input_filename = argv[optind]; + ++optind; + } + + if (output_filename == NULL && optind < argc) + { + output_filename = argv[optind]; + ++optind; + } + + if (argc != optind) + usage (stderr, 1); + + if (input_format == RES_FORMAT_UNKNOWN) + { + if (input_filename == NULL) + input_format = RES_FORMAT_RC; + else + input_format = format_from_filename (input_filename, 1); + } + + if (output_format == RES_FORMAT_UNKNOWN) + { + if (output_filename == NULL) + output_format = RES_FORMAT_RC; + else + output_format = format_from_filename (output_filename, 0); + } + + /* Read the input file. */ + + switch (input_format) + { + default: + abort (); + case RES_FORMAT_RC: + resources = read_rc_file (input_filename, preprocessor, preprocargs, + language); + break; + case RES_FORMAT_RES: + resources = read_res_file (input_filename); + break; + case RES_FORMAT_COFF: + resources = read_coff_rsrc (input_filename, target); + break; + } + + /* Write the output file. */ + + switch (output_format) + { + default: + abort (); + case RES_FORMAT_RC: + write_rc_file (output_filename, resources); + break; + case RES_FORMAT_RES: + write_res_file (output_filename, resources); + break; + case RES_FORMAT_COFF: + write_coff_file (output_filename, target, resources); + break; + } + + xexit (0); + return 0; +} + +struct res_directory * +read_res_file (filename) + const char *filename; +{ + fatal ("read_res_file unimplemented"); + return NULL; +} + +struct res_directory * +read_coff_rsrc (filename, target) + const char *filename; + const char *target; +{ + fatal ("read_coff_rsrc unimplemented"); + return NULL; +} + +void +write_res_file (filename, resources) + const char *filename; + const struct res_directory *resources; +{ + fatal ("write_res_file unimplemented"); +} + +void +write_coff_file (filename, target, resources) + const char *filename; + const char *target; + const struct res_directory *resources; +{ + fatal ("write_coff_file unimplemented"); +} |