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| author | Ulrich Drepper <drepper@redhat.com> | 1999-07-23 22:58:50 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 1999-07-23 22:58:50 +0000 |
| commit | 06535ae9487708dad9048552c9c92828d998a897 (patch) | |
| tree | 644ca3f36a0aca375c41e6bdded2d3904b8821e9 /elf/do-lookup.h | |
| parent | fc9cfb28c05def1bfc0edc099d8001f83654fd10 (diff) | |
| download | glibc-06535ae9487708dad9048552c9c92828d998a897.zip glibc-06535ae9487708dad9048552c9c92828d998a897.tar.gz glibc-06535ae9487708dad9048552c9c92828d998a897.tar.bz2 | |
Update.
* posix/unistd.h: Move declaration of __libc_enable_secure to...
* include/unistd.h: ...here.
* elf/dl-open.c (dl_open_worker): If DST is used in SUID program punt.
* elf/dl-deps.c (expand_dst): Likewise.
* elf/dynamic-link.h: Set DT_SYMBOLIC, DT_TEXTREL, and DT_BIND_NOW
based on DT_FLAGS value.
* elf/do-lookup.h: Remove reference_name parameter, add undef_map.
Add test for symbols marked STV_HIDDEN.
* elf/dl-lookup.c (_dl_lookup_symbol): Remove reference_name parameter,
add undef_map. Compute reference_name locally. Update call to
do_lookup.
(_dl_lookup_symbol_skip): Likewise.
(_dl_lookup_versioned_symbol): Likewise.
(_dl_lookup_versioned_symbol_skip): Likewise.
* elf/dl-libc.c: Update call to _dl_lookup_*symbol.
* elf/dl-runtime.c: Likewise.
* elf/dl-sym.c: Likewise.
* elf/dl-symbol.c: Likewise.
* elf/ldsodefs.h: Adjust prototypes.
* elf/dl-reloc.c (RESOLV): Add test for STV_PROTECTED flag set and
handle appropriately. Add comment about DT_TEXTREL.
* elf/dl-runtime.c: Likewise.
Diffstat (limited to 'elf/do-lookup.h')
| -rw-r--r-- | elf/do-lookup.h | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/elf/do-lookup.h b/elf/do-lookup.h index 147560b..f83b13c 100644 --- a/elf/do-lookup.h +++ b/elf/do-lookup.h @@ -29,10 +29,10 @@ found the symbol, the value 0 if nothing is found and < 0 if something bad happened. */ static inline int -FCT (const char *undef_name, unsigned long int hash, - const ElfW(Sym) *ref, struct sym_val *result, - struct r_scope_elem *scope, size_t i, const char *reference_name, - ARG struct link_map *skip, int reloc_type) +FCT (const char *undef_name, struct link_map *undef_map, + unsigned long int hash, const ElfW(Sym) *ref, struct sym_val *result, + struct r_scope_elem *scope, size_t i, ARG struct link_map *skip, + int reloc_type) { struct link_map **list = scope->r_list; size_t n = scope->r_nlist; @@ -154,7 +154,12 @@ FCT (const char *undef_name, unsigned long int hash, sym = num_versions == 1 ? versioned_sym : NULL; #endif - if (sym != NULL) + if (sym != NULL + /* Don't allow binding if the symbol is hidden. When processor + specific definitions for STV_INTERNAL are defined we might + have to extend this conditional. */ + && (ELFW(ST_VISIBILITY) (sym->st_other) != STV_HIDDEN + || map == undef_map)) { found_it: switch (ELFW(ST_BIND) (sym->st_info)) |