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authorCarmelo Amoroso <carmelo.amoroso@st.com>2011-06-24 16:24:25 +0200
committerCarmelo Amoroso <carmelo.amoroso@st.com>2011-06-24 16:24:25 +0200
commit7682323a3a798d6f15708f228f859a64cb869aa3 (patch)
tree0f3648e92245745c9828db3175651974b10c9ae4 /ldso/libdl/libdl.c
parent3004ce0c9619f89bf8e64931edd696bf4df8d2e1 (diff)
parent74da7a88552ecf518e64642c90742fddca57be00 (diff)
Merge remote-tracking branch 'origin/master' into prelink
* origin/master: (61 commits) fts: fix warning due to old-style function definition ldso_tls: fix compiler warning due to missing cast resolv: fix bug in res_init with ipv6 nameservers config: Fix passing defconfig args buildsys: pt-initfini.s depends on uClibc_config.h libdl: search for ELF_RTYPE_CLASS_DLSYM in dlsym() resolv: try next server on SERVFAIL getaddrinfo: allow numeric service without any hints bump version to 0.9.33-git nptl/pthread: Correct path for machine specific pt-initfini.c ctor/dtor nptl: Fix init and fini function compilation Rules.mak: Rearrange appending UCLIBC_EXTRA_CFLAGS to CFLAGS ARM: remove EABI/OABI selection ARM: detect BX availibility at build time ARM: #include <bits/arm_asm.h> where __USE_BX__ is used ARM: transform the EABI/OABI choice into a boolean ARM: remove sub-arch/variants selection from menuconfig ARM: introduce blind options to select & force THUMB mode ARM: reorder "Use BX" option Fix __libc_epoll_pwait compile failure on x86 ... Conflicts: ldso/libdl/libdl.c Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
Diffstat (limited to 'ldso/libdl/libdl.c')
-rw-r--r--ldso/libdl/libdl.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/ldso/libdl/libdl.c b/ldso/libdl/libdl.c
index 83dfd0898..4ecd1c55e 100644
--- a/ldso/libdl/libdl.c
+++ b/ldso/libdl/libdl.c
@@ -706,12 +706,12 @@ void *dlsym(void *vhandle, const char *name)
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, 0, &sym_ref);
+ ret = _dl_find_hash(name2, &handle->dyn->symbol_scope, tpnt, ELF_RTYPE_CLASS_DLSYM, &sym_ref);
#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)) {
/* The found symbol is a thread-local storage variable.
- Return the address for to the current thread. */
+ Return its address for the current thread. */
ret = _dl_tls_symaddr ((struct link_map *)sym_ref.tpnt, (Elf32_Addr)ret);
}
#endif
@@ -1118,7 +1118,11 @@ int dladdr(const void *__address, Dl_info * __info)
ElfW(Addr) symbol_addr;
symbol_addr = (ElfW(Addr)) DL_RELOC_ADDR(pelf->loadaddr, symtab[si].st_value);
- if (symbol_addr <= (ElfW(Addr))__address && (!sf || sa < symbol_addr)) {
+ if ((symtab[si].st_shndx != SHN_UNDEF
+ || symtab[si].st_value != 0)
+ && ELF_ST_TYPE(symtab[si].st_info) != STT_TLS
+ && DL_ADDR_SYM_MATCH(symbol_addr, &symtab[si], sa,
+ (ElfW(Addr)) __address)) {
sa = symbol_addr;
sn = si;
sf = 1;
@@ -1134,7 +1138,11 @@ int dladdr(const void *__address, Dl_info * __info)
ElfW(Addr) symbol_addr;
symbol_addr = (ElfW(Addr)) DL_RELOC_ADDR(pelf->loadaddr, symtab[si].st_value);
- if (symbol_addr <= (ElfW(Addr))__address && (!sf || sa < symbol_addr)) {
+ if ((symtab[si].st_shndx != SHN_UNDEF
+ || symtab[si].st_value != 0)
+ && ELF_ST_TYPE(symtab[si].st_info) != STT_TLS
+ && DL_ADDR_SYM_MATCH(symbol_addr, &symtab[si], sa,
+ (ElfW(Addr)) __address)) {
sa = symbol_addr;
sn = si;
sf = 1;