diff options
Diffstat (limited to 'ldso')
| -rw-r--r-- | ldso/libdl/dlib.c | 26 | ||||
| -rw-r--r-- | ldso/libdl/libdl.c | 26 |
2 files changed, 28 insertions, 24 deletions
diff --git a/ldso/libdl/dlib.c b/ldso/libdl/dlib.c index dec41848c..c54104ffe 100644 --- a/ldso/libdl/dlib.c +++ b/ldso/libdl/dlib.c @@ -181,12 +181,18 @@ void *_dlopen(const char *libname, int flag) if(_dl_debug) _dl_dprintf(_dl_debug_file, "Trying to dlopen '%s'\n", (char*)libname); #endif - if (!(tpnt = _dl_load_shared_library(0, &rpnt, tfrom, (char*)libname))) { + tpnt = _dl_load_shared_library(0, &rpnt, tfrom, (char*)libname); + if (tpnt == NULL) { _dl_unmap_cache(); return NULL; } - //tpnt->libtype = loaded_file; + if (tpnt->init_flag & INIT_FUNCS_CALLED) { + /* If the init and fini stuff has already been run, that means + * someone called dlopen on a library we already have opened, so + * we don't need to fix thing up any further... */ + return tpnt; + } dyn_chain = (struct dyn_elf *) malloc(sizeof(struct dyn_elf)); _dl_memset(dyn_chain, 0, sizeof(struct dyn_elf)); @@ -203,6 +209,7 @@ void *_dlopen(const char *libname, int flag) if(_dl_debug) _dl_dprintf(_dl_debug_file, "Looking for needed libraries\n"); #endif + for (tcurr = tpnt; tcurr; tcurr = tcurr->next) { Elf32_Dyn *dpnt; @@ -220,22 +227,17 @@ void *_dlopen(const char *libname, int flag) _dl_dprintf(_dl_debug_file, "Trying to load '%s', needed by '%s'\n", lpntstr, tcurr->libname); #endif -#if 0 - if ((tpnt1 = _dl_check_if_named_library_is_loaded(name))) - { - /* If the needed library is already loaded, then we - * need to override all globals and weaks in the current - * chain... Or something. */ - continue; - } -#endif if (!(tpnt1 = _dl_load_shared_library(0, &rpnt, tcurr, lpntstr))) { goto oops; } + +#if 1 +//FIXME: Enabling this is _so_ wrong.... /* We need global symbol resolution for everything * in the dependent chain */ dyn_chain->flags |= RTLD_GLOBAL; +#endif rpnt->next = (struct dyn_elf *) malloc(sizeof(struct dyn_elf)); _dl_memset (rpnt->next, 0, sizeof (struct dyn_elf)); @@ -269,7 +271,7 @@ void *_dlopen(const char *libname, int flag) * Now we go through and look for REL and RELA records that indicate fixups * to the GOT tables. We need to do this in reverse order so that COPY * directives work correctly */ - if (_dl_fixup(dyn_chain->dyn, (dyn_chain->flags & RTLD_LAZY))) + if (_dl_fixup(dyn_chain->dyn, dyn_chain->flags)) goto oops; #ifdef __SUPPORT_LD_DEBUG__ diff --git a/ldso/libdl/libdl.c b/ldso/libdl/libdl.c index dec41848c..c54104ffe 100644 --- a/ldso/libdl/libdl.c +++ b/ldso/libdl/libdl.c @@ -181,12 +181,18 @@ void *_dlopen(const char *libname, int flag) if(_dl_debug) _dl_dprintf(_dl_debug_file, "Trying to dlopen '%s'\n", (char*)libname); #endif - if (!(tpnt = _dl_load_shared_library(0, &rpnt, tfrom, (char*)libname))) { + tpnt = _dl_load_shared_library(0, &rpnt, tfrom, (char*)libname); + if (tpnt == NULL) { _dl_unmap_cache(); return NULL; } - //tpnt->libtype = loaded_file; + if (tpnt->init_flag & INIT_FUNCS_CALLED) { + /* If the init and fini stuff has already been run, that means + * someone called dlopen on a library we already have opened, so + * we don't need to fix thing up any further... */ + return tpnt; + } dyn_chain = (struct dyn_elf *) malloc(sizeof(struct dyn_elf)); _dl_memset(dyn_chain, 0, sizeof(struct dyn_elf)); @@ -203,6 +209,7 @@ void *_dlopen(const char *libname, int flag) if(_dl_debug) _dl_dprintf(_dl_debug_file, "Looking for needed libraries\n"); #endif + for (tcurr = tpnt; tcurr; tcurr = tcurr->next) { Elf32_Dyn *dpnt; @@ -220,22 +227,17 @@ void *_dlopen(const char *libname, int flag) _dl_dprintf(_dl_debug_file, "Trying to load '%s', needed by '%s'\n", lpntstr, tcurr->libname); #endif -#if 0 - if ((tpnt1 = _dl_check_if_named_library_is_loaded(name))) - { - /* If the needed library is already loaded, then we - * need to override all globals and weaks in the current - * chain... Or something. */ - continue; - } -#endif if (!(tpnt1 = _dl_load_shared_library(0, &rpnt, tcurr, lpntstr))) { goto oops; } + +#if 1 +//FIXME: Enabling this is _so_ wrong.... /* We need global symbol resolution for everything * in the dependent chain */ dyn_chain->flags |= RTLD_GLOBAL; +#endif rpnt->next = (struct dyn_elf *) malloc(sizeof(struct dyn_elf)); _dl_memset (rpnt->next, 0, sizeof (struct dyn_elf)); @@ -269,7 +271,7 @@ void *_dlopen(const char *libname, int flag) * Now we go through and look for REL and RELA records that indicate fixups * to the GOT tables. We need to do this in reverse order so that COPY * directives work correctly */ - if (_dl_fixup(dyn_chain->dyn, (dyn_chain->flags & RTLD_LAZY))) + if (_dl_fixup(dyn_chain->dyn, dyn_chain->flags)) goto oops; #ifdef __SUPPORT_LD_DEBUG__ |