3 #include <libelf/libelf.h>
4 #include <libelf/gelf.h>
6 void elfu_ePhdrFixupSelfRef(Elf *e)
11 if (!gelf_getehdr(e, &ehdr)) {
12 fprintf(stderr, "gelf_getehdr() failed: %s.", elf_errmsg(-1));
16 if (elf_getphdrnum(e, &n)) {
17 fprintf(stderr, "elf_getphdrnum() failed: %s\n", elf_errmsg(-1));
20 for (i = 0; i < n; i++) {
23 if (gelf_getphdr(e, i, &phdr) != &phdr) {
24 fprintf(stderr, "gelf_getphdr() failed for #%d: %s\n", i, elf_errmsg(-1));
28 if (phdr.p_type == PT_PHDR) {
29 phdr.p_offset = ehdr.e_phoff;
30 phdr.p_filesz = elf32_fsize(ELF_T_PHDR, n, EV_CURRENT);
31 phdr.p_memsz = phdr.p_filesz;
33 if (!gelf_update_phdr (e, i, &phdr)) {
34 fprintf(stderr, "gelf_update_ehdr() failed: %s\n", elf_errmsg(-1));
39 /* Tell libelf that phdrs have changed */
40 elf_flagphdr(e, ELF_C_SET, ELF_F_DIRTY);