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| // 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;
| }
|
|
