diff options
Diffstat (limited to 'src/ldso/dynlink.c')
| -rw-r--r-- | src/ldso/dynlink.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/ldso/dynlink.c b/src/ldso/dynlink.c index 057a4cd3..ca49f439 100644 --- a/src/ldso/dynlink.c +++ b/src/ldso/dynlink.c @@ -49,6 +49,7 @@ struct dso ino_t ino; int global; int relocated; + int constructed; struct dso **deps; char *name; char buf[]; @@ -471,6 +472,20 @@ static size_t find_dyn(Phdr *ph, size_t cnt, size_t stride) return 0; } +static void do_init_fini(struct dso *p) +{ + size_t dyn[DYN_CNT] = {0}; + for (; p; p=p->prev) { + if (p->constructed) return; + decode_vec(p->dynv, dyn, DYN_CNT); + if (dyn[0] & (1<<DT_FINI)) + atexit((void (*)(void))(p->base + dyn[DT_FINI])); + if (dyn[0] & (1<<DT_INIT)) + ((void (*)(void))(p->base + dyn[DT_INIT]))(); + p->constructed = 1; + } +} + void *__dynlink(int argc, char **argv) { size_t *auxv, aux[AUX_CNT] = {0}; @@ -520,6 +535,7 @@ void *__dynlink(int argc, char **argv) } app->name = argv[0]; app->global = 1; + app->constructed = 1; app->dynv = (void *)(app->base + find_dyn( (void *)aux[AT_PHDR], aux[AT_PHNUM], aux[AT_PHENT])); decode_dyn(app); @@ -577,6 +593,9 @@ void *__dynlink(int argc, char **argv) * error. If the dynamic loader (dlopen) will not be used, free * all memory used by the dynamic linker. */ runtime = 1; + + do_init_fini(tail); + if (!rtld_used) { free_all(head); free(sys_path); |