diff options
Diffstat (limited to 'elf/dl-sym.c')
| -rw-r--r-- | elf/dl-sym.c | 39 |
1 files changed, 19 insertions, 20 deletions
diff --git a/elf/dl-sym.c b/elf/dl-sym.c index 80be954..84236ff 100644 --- a/elf/dl-sym.c +++ b/elf/dl-sym.c @@ -1,5 +1,5 @@ /* Look up a symbol in a shared object loaded by `dlopen'. - Copyright (C) 1999 Free Software Foundation, Inc. + Copyright (C) 1999, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -29,12 +29,12 @@ void * internal_function _dl_sym (void *handle, const char *name, void *who) { - ElfW(Addr) loadbase; const ElfW(Sym) *ref = NULL; + lookup_t result; if (handle == RTLD_DEFAULT) /* Search the global scope. */ - loadbase = _dl_lookup_symbol (name, NULL, &ref, _dl_global_scope, 0); + result = _dl_lookup_symbol (name, NULL, &ref, _dl_global_scope, 0); else { struct link_map *l, *match; @@ -56,8 +56,8 @@ _dl_sym (void *handle, const char *name, void *who) main program (we hope). */ match = _dl_loaded; - loadbase = _dl_lookup_symbol (name, match, &ref, map->l_local_scope, - 0); + result = _dl_lookup_symbol (name, match, &ref, map->l_local_scope, + 0); } else { @@ -69,13 +69,13 @@ RTLD_NEXT used in code not dynamically loaded")); while (l->l_loader) l = l->l_loader; - loadbase = _dl_lookup_symbol_skip (name, l, &ref, l->l_local_scope, - match); + result = _dl_lookup_symbol_skip (name, l, &ref, l->l_local_scope, + match); } } - if (loadbase) - return (void *) (loadbase + ref->st_value); + if (result) + return DL_SYMBOL_ADDRESS (result, ref); return NULL; } @@ -84,9 +84,9 @@ void * internal_function _dl_vsym (void *handle, const char *name, const char *version, void *who) { - ElfW(Addr) loadbase; const ElfW(Sym) *ref = NULL; struct r_found_version vers; + lookup_t result; /* Compute hash value to the version string. */ vers.name = version; @@ -97,8 +97,8 @@ _dl_vsym (void *handle, const char *name, const char *version, void *who) if (handle == RTLD_DEFAULT) /* Search the global scope. */ - loadbase = _dl_lookup_versioned_symbol (name, NULL, &ref, _dl_global_scope, - &vers, 0); + result = _dl_lookup_versioned_symbol (name, NULL, &ref, _dl_global_scope, + &vers, 0); else if (handle == RTLD_NEXT) { struct link_map *l, *match; @@ -118,20 +118,19 @@ RTLD_NEXT used in code not dynamically loaded")); while (l->l_loader) l = l->l_loader; - loadbase = _dl_lookup_versioned_symbol_skip (name, l, &ref, - l->l_local_scope, - &vers, match); + result = _dl_lookup_versioned_symbol_skip (name, l, &ref, + l->l_local_scope, + &vers, match); } else { /* Search the scope of the given object. */ struct link_map *map = handle; - loadbase = _dl_lookup_versioned_symbol (name, map, &ref, - map->l_local_scope, &vers, 0); + result = _dl_lookup_versioned_symbol (name, map, &ref, + map->l_local_scope, &vers, 0); } - if (loadbase) - return (void *) (loadbase + ref->st_value); - + if (result) + return DL_SYMBOL_ADDRESS (result, ref); return NULL; } |