summaryrefslogtreecommitdiffstats
path: root/arch/mips/boot/tools/relocs_main.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/boot/tools/relocs_main.c')
-rw-r--r--arch/mips/boot/tools/relocs_main.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/arch/mips/boot/tools/relocs_main.c b/arch/mips/boot/tools/relocs_main.c
new file mode 100644
index 0000000000..e2453a564b
--- /dev/null
+++ b/arch/mips/boot/tools/relocs_main.c
@@ -0,0 +1,85 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <stdio.h>
+#include <stdint.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <endian.h>
+#include <elf.h>
+
+#include "relocs.h"
+
+void die(char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ vfprintf(stderr, fmt, ap);
+ va_end(ap);
+ exit(1);
+}
+
+static void usage(void)
+{
+ die("relocs [--reloc-info|--text|--bin|--keep] vmlinux\n");
+}
+
+int main(int argc, char **argv)
+{
+ int show_reloc_info, as_text, as_bin, keep_relocs;
+ const char *fname;
+ FILE *fp;
+ int i;
+ unsigned char e_ident[EI_NIDENT];
+
+ show_reloc_info = 0;
+ as_text = 0;
+ as_bin = 0;
+ keep_relocs = 0;
+ fname = NULL;
+ for (i = 1; i < argc; i++) {
+ char *arg = argv[i];
+
+ if (*arg == '-') {
+ if (strcmp(arg, "--reloc-info") == 0) {
+ show_reloc_info = 1;
+ continue;
+ }
+ if (strcmp(arg, "--text") == 0) {
+ as_text = 1;
+ continue;
+ }
+ if (strcmp(arg, "--bin") == 0) {
+ as_bin = 1;
+ continue;
+ }
+ if (strcmp(arg, "--keep") == 0) {
+ keep_relocs = 1;
+ continue;
+ }
+ } else if (!fname) {
+ fname = arg;
+ continue;
+ }
+ usage();
+ }
+ if (!fname)
+ usage();
+
+ fp = fopen(fname, "r+");
+ if (!fp)
+ die("Cannot open %s: %s\n", fname, strerror(errno));
+
+ if (fread(&e_ident, 1, EI_NIDENT, fp) != EI_NIDENT)
+ die("Cannot read %s: %s", fname, strerror(errno));
+
+ rewind(fp);
+ if (e_ident[EI_CLASS] == ELFCLASS64)
+ process_64(fp, as_text, as_bin, show_reloc_info, keep_relocs);
+ else
+ process_32(fp, as_text, as_bin, show_reloc_info, keep_relocs);
+ fclose(fp);
+ return 0;
+}