ao-tools: Add ao-elftohex and .ihx symbol support

[fw/altos] / ao-tools / ao-elftohex / ao-elftohex.c

diff --git a/ao-tools/ao-elftohex/ao-elftohex.c b/ao-tools/ao-elftohex/ao-elftohex.c
new file mode 100644 (file)
index 0000000..db8f86f
--- /dev/null
+++ b/ao-tools/ao-elftohex/ao-elftohex.c
@@ -0,0 +1,102 @@
+/*
+ * Copyright © 2013 Keith Packard <keithp@keithp.com>
+ *
+ * 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; version 2 of the License.
+ *
+ * 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.
+ */
+
+#include <getopt.h>
+#include <stdlib.h>
+#include <string.h>
+#include "ao-hex.h"
+#include "ao-elf.h"
+#include "ao-verbose.h"
+
+static const struct option options[] = {
+       { .name = "verbose", .has_arg = 1, .val = 'v' },
+       { .name = "output", .has_arg = 1, .val = 'o' },
+       { 0, 0, 0, 0},
+};
+
+static void usage(char *program)
+{
+       fprintf(stderr, "usage: %s [--verbose=<level>] [--output=<output.ihx>] <input.elf>\n", program);
+       exit(1);
+}
+
+static int
+ends_with(char *whole, char *suffix)
+{
+       int whole_len = strlen(whole);
+       int suffix_len = strlen(suffix);
+
+       if (suffix_len > whole_len)
+               return 0;
+       return strcmp(whole + whole_len - suffix_len, suffix) == 0;
+}
+
+int
+main (int argc, char **argv)
+{
+       char                    *input = NULL;
+       char                    *output = NULL;
+       struct ao_hex_image     *image;
+       struct ao_sym           *file_symbols;
+       int                     num_file_symbols;
+       FILE                    *file;
+       int                     c;
+
+       while ((c = getopt_long(argc, argv, "v:o:", options, NULL)) != -1) {
+               switch (c) {
+               case 'o':
+                       output = optarg;
+                       break;
+               case 'v':
+                       ao_verbose = (int) strtol(optarg, NULL, 0);
+                       break;
+               default:
+                       usage(argv[0]);
+                       break;
+               }
+       }
+
+       input = argv[optind];
+       if (input == NULL)
+               usage(argv[0]);
+
+       if (ends_with (input, ".ihx"))
+               image = ao_hex_load(input, &file_symbols, &num_file_symbols);
+       else
+               image = ao_load_elf(input, &file_symbols, &num_file_symbols);
+
+       if (!image)
+               usage(argv[0]);
+
+       if (!output)
+               file = stdout;
+       else {
+               file = fopen(output, "w");
+               if (!file) {
+                       perror(output);
+                       exit(1);
+               }
+       }
+
+       if (!ao_hex_save(file, image, file_symbols, num_file_symbols)) {
+               fprintf(stderr, "%s: failed to write hex file\n", output ? output : "<stdout>");
+               if (output)
+                       unlink(output);
+               exit(1);
+       }
+       exit(0);
+}