openwrt/toolchain/uClibc/patches-0.9.33.2/011-dlsym_rtld_next_fix.patch

26 lines
917 B
Diff

--- a/ldso/libdl/libdl.c
+++ b/ldso/libdl/libdl.c
@@ -671,7 +671,7 @@ static void *do_dlsym(void *vhandle, con
{
struct elf_resolve *tpnt, *tfrom;
struct dyn_elf *handle;
- ElfW(Addr) from;
+ ElfW(Addr) from = 0;
struct dyn_elf *rpnt;
void *ret;
struct symbol_ref sym_ref = { NULL, NULL };
@@ -729,7 +729,12 @@ static void *do_dlsym(void *vhandle, con
tpnt = NULL;
if (handle == _dl_symbol_tables)
tpnt = handle->dyn; /* Only search RTLD_GLOBAL objs if global object */
- ret = _dl_find_hash(name2, &handle->dyn->symbol_scope, tpnt, ELF_RTYPE_CLASS_DLSYM, &sym_ref);
+ do {
+ ret = _dl_find_hash(name2, &handle->dyn->symbol_scope, tpnt, ELF_RTYPE_CLASS_DLSYM, &sym_ref);
+ if (ret != NULL)
+ break;
+ handle = handle->next;
+ } while (from && handle);
#if defined(USE_TLS) && USE_TLS && defined SHARED
if (sym_ref.sym && (ELF_ST_TYPE(sym_ref.sym->st_info) == STT_TLS) && (sym_ref.tpnt)) {