diff options
| author | Leonid Lisovskiy <lly.dev@gmail.com> | 2016-01-26 20:12:58 +0300 |
|---|---|---|
| committer | Waldemar Brodkorb <wbx@uclibc-ng.org> | 2016-01-31 17:41:21 +0100 |
| commit | 2f389d46df6a9634589554708e2a7ea6ca901b86 (patch) | |
| tree | cadff935def6f64bb936a2f2866d737d0f567456 /ldso/libdl | |
| parent | d6d36639c6a5dffbcdb77e947aafd1e858bbb714 (diff) | |
ldso: Use single rtld_flags interpretation through all the calls
Implement single rtld_flags interpretation through all the
do_dlopen()/_dl_load_shared_library()/_dl_load_elf_shared_library()
calls chain.
This adds the ability to use the flags, passed to dlopen(), in all
underlaying functions and implement rtld_flags inheritance.
Saves a few bytes code.
Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com>
Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
Diffstat (limited to 'ldso/libdl')
| -rw-r--r-- | ldso/libdl/libdl.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/ldso/libdl/libdl.c b/ldso/libdl/libdl.c index 08619bc37..42a09a8bb 100644 --- a/ldso/libdl/libdl.c +++ b/ldso/libdl/libdl.c @@ -59,8 +59,6 @@ extern struct link_map *_dl_update_slotinfo(unsigned long int req_modid); * and use a pile of symbols from ldso... */ #include <dl-elf.h> #if 0 -extern struct elf_resolve * _dl_load_shared_library(unsigned, struct dyn_elf **, - struct elf_resolve *, char *, int); extern int _dl_fixup(struct dyn_elf *rpnt, struct r_scope_elem *scope, int lazy); extern void _dl_protect_relro(struct elf_resolve * tpnt); #endif @@ -385,7 +383,7 @@ static void *do_dlopen(const char *libname, int flag, ElfW(Addr) from) _dl_if_debug_print("Trying to dlopen '%s', RTLD_GLOBAL:%d RTLD_NOW:%d\n", (char*)libname, (flag & RTLD_GLOBAL ? 1:0), (now_flag & RTLD_NOW ? 1:0)); - tpnt = _dl_load_shared_library((flag & RTLD_NOLOAD) ? DL_RESOLVE_NOLOAD : 0, + tpnt = _dl_load_shared_library(flag & (RTLD_NOLOAD | RTLD_GLOBAL | RTLD_NODELETE), &rpnt, tfrom, (char*)libname, 0); if (tpnt == NULL) { _dl_unmap_cache(); @@ -394,7 +392,6 @@ static void *do_dlopen(const char *libname, int flag, ElfW(Addr) from) dyn_chain = (struct dyn_elf *) malloc(sizeof(struct dyn_elf)); memset(dyn_chain, 0, sizeof(struct dyn_elf)); dyn_chain->dyn = tpnt; - tpnt->rtld_flags |= (flag & (RTLD_GLOBAL|RTLD_NODELETE)); dyn_chain->next_handle = _dl_handles; _dl_handles = dyn_ptr = dyn_chain; @@ -435,12 +432,11 @@ static void *do_dlopen(const char *libname, int flag, ElfW(Addr) from) dpnt->d_un.d_val); _dl_if_debug_print("Trying to load '%s', needed by '%s'\n", lpntstr, runp->tpnt->libname); - tpnt1 = _dl_load_shared_library(0, &rpnt, runp->tpnt, lpntstr, 0); + tpnt1 = _dl_load_shared_library(flag & (RTLD_GLOBAL | RTLD_NODELETE), + &rpnt, runp->tpnt, lpntstr, 0); if (!tpnt1) goto oops; - tpnt1->rtld_flags |= (flag & (RTLD_GLOBAL|RTLD_NODELETE)); - /* This list is for dlsym() and relocation */ dyn_ptr->next = (struct dyn_elf *) malloc(sizeof(struct dyn_elf)); memset (dyn_ptr->next, 0, sizeof (struct dyn_elf)); |