diff options
Diffstat (limited to 'elf/dl-preinit.c')
| -rw-r--r-- | elf/dl-preinit.c | 40 |
1 files changed, 23 insertions, 17 deletions
diff --git a/elf/dl-preinit.c b/elf/dl-preinit.c index 8ef4afc..fa8ce7e 100644 --- a/elf/dl-preinit.c +++ b/elf/dl-preinit.c @@ -21,29 +21,35 @@ #include <ldsodefs.h> +/* Type of the initializer. */ +typedef void (*init_t) (int, char **, char **); + + /* Run initializers for MAP and its dependencies, in inverse dependency order (that is, leaf nodes first). */ -ElfW(Addr) +void internal_function -_dl_preinit_next (struct r_scope_elem *searchlist) +_dl_preinit (struct link_map *main_map, int argc, char **argv, char **env) { - struct link_map *l = searchlist->r_list[0]; - ElfW(Addr) *array; + /* Don't do anything if there is no preinit array. */ + ElfW(Dyn) *preinit_array = main_map->l_info[DT_PREINIT_ARRAYSZ]; + unsigned int max; - if (l->l_runcount >= l->l_preinitcount) + if (preinit_array != NULL + && (max = preinit_array->d_un.d_val / sizeof (ElfW(Addr))) > 0) { - /* That were all of the constructors. */ - l->l_runcount = 0; - return 0; + ElfW(Addr) *addrs; + unsigned int cnt; + + if (_dl_debug_impcalls) + _dl_debug_message (1, "\ncalling preinit: ", + main_map->l_name[0] + ? main_map->l_name : _dl_argv[0], "\n\n", NULL); + + addrs = (ElfW(Addr) *) (main_map->l_info[DT_PREINIT_ARRAY]->d_un.d_ptr + + main_map->l_addr); + for (cnt = 0; cnt < max; ++cnt) + ((init_t) addrs[cnt]) (argc, argv, env); } - - /* Print a debug message if wanted. */ - if (_dl_debug_impcalls && l->l_runcount == 0) - _dl_debug_message (1, "\ncalling preinit: ", - l->l_name[0] ? l->l_name : _dl_argv[0], - "\n\n", NULL); - - array = (ElfW(Addr) *) l->l_info[DT_PREINIT_ARRAY]->d_un.d_ptr; - return l->l_addr + array[l->l_runcount++]; } |