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Support ELF mips relocs with PLT instead of RELA

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This commit is contained in:
pancake 2017-11-09 15:49:10 +01:00 committed by radare
parent 5c09380650
commit 558109662b
1 changed files with 10 additions and 3 deletions
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13
libr/bin/format/elf/elf.c
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@ -1171,7 +1171,6 @@ static ut64 get_import_addr(ELFOBJ *bin, int sym) {
bool is_rela = false;
const char *rel_sect[] = { ".rel.plt", ".rela.plt", ".rel.dyn", ".rela.dyn", NULL };
const char *rela_sect[] = { ".rela.plt", ".rel.plt", ".rela.dyn", ".rel.dyn", NULL };
if ((!bin->shdr || !bin->strtab) && !bin->phdr) {
return -1;
}
@ -1183,6 +1182,7 @@ static ut64 get_import_addr(ELFOBJ *bin, int sym) {
(got_addr = Elf_(r_bin_elf_get_section_addr) (bin, ".got.plt")) == -1) {
return -1;
}
RBinElfSection *plt_section = get_section_by_name (bin, ".plt");
if (bin->is_rela == DT_REL) {
j = 0;
while (!rel_sec && rel_sect[j]) {
@ -1261,7 +1261,7 @@ static ut64 get_import_addr(ELFOBJ *bin, int sym) {
case EM_PPC:
case EM_PPC64:
{
RBinElfSection *s = get_section_by_name (bin, ".plt");
RBinElfSection *s = plt_section;
if (s) {
ut8 buf[4];
ut64 base;
@ -1426,11 +1426,18 @@ static ut64 get_import_addr(ELFOBJ *bin, int sym) {
plt_addr += k * 16;
free (REL);
return plt_addr;
} else if (plt_section) {
const int sizeOfProcedureLinkageTable = 32;
const int sizeOfPltEntry = 16;
return plt_section->rva + sizeOfProcedureLinkageTable + (k * sizeOfPltEntry);
} else {
eprintf ("Unsupported relocs type %d for arch %d\n",
reloc_type, bin->ehdr.e_machine);
}
}
break;
default:
bprintf ("Unsupported relocs type %d for arch %d\n",
eprintf ("Unsupported relocs type %d for arch %d\n",
reloc_type, bin->ehdr.e_machine);
break;
}