5 #include <libelf/libelf.h>
6 #include <libelf/gelf.h>
8 #include <libelfu/libelfu.h>
10 #include "elfhandle.h"
15 int main(int argc, char **argv)
18 ELFHandles hIn = { 0 };
19 ELFHandles hOut = { 0 };
20 int exitval = EXIT_SUCCESS;
23 /* Is libelf alive and well? */
24 if (elf_version(EV_CURRENT) == EV_NONE) {
25 fprintf(stderr, "libelf init error: %s\n", elf_errmsg(-1));
29 /* Parse and validate user input */
30 parseOptions(&opts, argc, argv);
33 /* Open input/output files */
34 openElf(&hIn, opts.fnInput, ELF_C_READ);
36 exitval = EXIT_FAILURE;
41 /* Now that we have a (hopefully) sane environment, execute commands. */
42 me = elfu_mFromElf(hIn.e);
45 printf("Model successfully loaded.\n");
50 printf("Input model checked.\n");
52 printf("Failed to load model, aborting.\n");
57 /* Copy the input ELF to the output file if the latter is specified.
58 * Perform requested transformations on the memory model on-the-fly. */
60 printf("No output file specified - no further operations performed.\n");
63 ELFHandles hRel = { 0 };
66 openElf(&hRel, opts.fnReladd, ELF_C_READ);
68 printf("--reladd: Failed to open file for --reladd, skipping operation.\n");
70 mrel = elfu_mFromElf(hRel.e);
73 printf("--reladd: Failed to load model for --reladd, skipping operation.\n");
75 printf("--reladd: Model successfully loaded.\n");
77 printf("--reladd: Input model checked.\n");
78 elfu_mReladd(me, mrel);
84 printf("Output model checked.\n");
88 openElf(&hOut, opts.fnOutput, ELF_C_WRITE);
90 printf("Failed to open output file. Aborting.\n");
91 exitval = EXIT_FAILURE;
95 elfu_mToElf(me, hOut.e);
96 printf("Model converted to ELF, ready to be written.\n");
103 if (elf_update(hOut.e, ELF_C_WRITE) < 0) {
104 fprintf(stderr, "elf_update() failed: %s\n", elf_errmsg(-1));