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Fix #17523 - Resolve internal symbols referenced from the PLT ##bin #23805

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Fix #17523 - Resolve internal symbols referenced from the PLT ##bin #23805

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2dd7577
Fix #17523 - Resolve internal symbols referenced from the PLT ##bin
radare May 4, 2023
594f586
Update libr/bin/p/bin_elf.inc.c
trufae Dec 17, 2024
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3 changes: 2 additions & 1 deletion libr/bin/format/elf/elf.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2165,7 +2165,7 @@ ut64 Elf_(get_main_offset)(ELFOBJ *eo) {
// non-thumb entry points
if (!memcmp (buf, "\x00\xb0\xa0\xe3\x00\xe0\xa0\xe3", 8)) {
if (buf[0x40 + 2] == 0xff && buf[0x40 + 3] == 0xeb) {
// nothing may happen
// nothing to do
} else if (!memcmp (buf + 0x28 + 2, "\xff\xeb", 2)) {
return Elf_(v2p) (eo, r_read_le32 (&buf[0x34]) & ~1);
}
Expand Down Expand Up @@ -4375,6 +4375,7 @@ RBinSymbol *Elf_(convert_symbol)(ELFOBJ *eo, RBinElfSymbol *symbol) {
ptr->bind = symbol->bind;
ptr->type = symbol->type;
ptr->is_imported = symbol->is_imported;
// ptr->is_internal = symbol->is_internal;
ptr->paddr = paddr;
ptr->vaddr = vaddr;
ptr->size = symbol->size;
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1 change: 1 addition & 0 deletions libr/bin/format/elf/elf.h
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Expand Up @@ -61,6 +61,7 @@ typedef struct r_bin_elf_symbol_t {
bool is_sht_null;
bool is_vaddr; /* when true, offset is virtual address, otherwise it's physical */
bool is_imported;
bool is_internal;
} RBinElfSymbol;

typedef struct r_bin_elf_reloc_t {
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3 changes: 3 additions & 0 deletions libr/bin/p/bin_elf.inc.c
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Expand Up @@ -431,6 +431,9 @@ static RList* imports(RBinFile *bf) {

RBinElfSymbol *is;
R_VEC_FOREACH (imports, is) {
if (import_symbol->is_internal) {
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continue;
}
RBinImport *ptr = R_NEW0 (RBinImport);
if (!ptr) {
break;
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