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 000000000..e2453a564
--- /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;
+}