diff options
Diffstat (limited to 'ldso/libdl/libdl.c')
| -rw-r--r-- | ldso/libdl/libdl.c | 51 |
1 files changed, 19 insertions, 32 deletions
diff --git a/ldso/libdl/libdl.c b/ldso/libdl/libdl.c index f20041bc2..03b7834a0 100644 --- a/ldso/libdl/libdl.c +++ b/ldso/libdl/libdl.c @@ -131,7 +131,7 @@ static void __attribute__ ((destructor)) dl_cleanup(void) void *dlopen(const char *libname, int flag) { struct elf_resolve *tpnt, *tfrom, *tcurr; - struct dyn_elf *dyn_chain, *rpnt = NULL; + struct dyn_elf *dyn_chain, *rpnt = NULL, *dyn_ptr; struct dyn_elf *dpnt; static int dl_init = 0; ElfW(Addr) from; @@ -175,7 +175,7 @@ void *dlopen(const char *libname, int flag) && (tfrom == NULL || tfrom->loadaddr < tpnt->loadaddr)) tfrom = tpnt; } - + for(rpnt = _dl_symbol_tables; rpnt->next; rpnt=rpnt->next); /* Try to load the specified library */ #ifdef __SUPPORT_LD_DEBUG__ if(_dl_debug) @@ -192,19 +192,9 @@ void *dlopen(const char *libname, int flag) _dl_memset(dyn_chain, 0, sizeof(struct dyn_elf)); dyn_chain->dyn = tpnt; dyn_chain->flags = flag; - if (!tpnt->symbol_scope) - tpnt->symbol_scope = dyn_chain; dyn_chain->next_handle = _dl_handles; - _dl_handles = rpnt = dyn_chain; - - if (tpnt->init_flag & INIT_FUNCS_CALLED) { - /* If the init and fini stuff has already been run, that means - * the dlopen'd library has already been loaded, and nothing - * further needs to be done. */ - return (void *) dyn_chain; - } - + _dl_handles = dyn_ptr = dyn_chain; #ifdef __SUPPORT_LD_DEBUG__ if(_dl_debug) @@ -222,35 +212,32 @@ void *dlopen(const char *libname, int flag) lpntstr = (char*) (tcurr->loadaddr + tcurr->dynamic_info[DT_STRTAB] + dpnt->d_un.d_val); name = _dl_get_last_path_component(lpntstr); - - if ((tpnt1 = _dl_check_if_named_library_is_loaded(name, 0))) - continue; - + tpnt1 = _dl_check_if_named_library_is_loaded(name, 0); #ifdef __SUPPORT_LD_DEBUG__ if(_dl_debug) fprintf(stderr, "Trying to load '%s', needed by '%s'\n", lpntstr, tcurr->libname); #endif - - if (!(tpnt1 = _dl_load_shared_library(0, &rpnt, tcurr, lpntstr, 0))) { - goto oops; + dyn_ptr->next = (struct dyn_elf *) malloc(sizeof(struct dyn_elf)); + _dl_memset (dyn_ptr->next, 0, sizeof (struct dyn_elf)); + dyn_ptr = dyn_ptr->next; + dyn_ptr->dyn = tpnt1; + if (!tpnt1) { + tpnt1 = _dl_load_shared_library(0, &rpnt, tcurr, lpntstr, 0); + if (!tpnt1) + goto oops; + dyn_ptr->dyn = tpnt1; } - - rpnt->next = (struct dyn_elf *) malloc(sizeof(struct dyn_elf)); - _dl_memset (rpnt->next, 0, sizeof (struct dyn_elf)); - rpnt = rpnt->next; - if (!tpnt1->symbol_scope) tpnt1->symbol_scope = rpnt; - rpnt->dyn = tpnt1; - } } } - /* - * OK, now attach the entire chain at the end - */ - rpnt->next = _dl_symbol_tables; - + if (dyn_chain->dyn->init_flag & INIT_FUNCS_CALLED) { + /* If the init and fini stuff has already been run, that means + * the dlopen'd library has already been loaded, and nothing + * further needs to be done. */ + return (void *) dyn_chain; + } #ifdef __mips__ /* * Relocation of the GOT entries for MIPS have to be done |