diff options
Diffstat (limited to 'src/ldso/dynlink.c')
| -rw-r--r-- | src/ldso/dynlink.c | 37 |
1 files changed, 32 insertions, 5 deletions
diff --git a/src/ldso/dynlink.c b/src/ldso/dynlink.c index d04bef62..3f3316aa 100644 --- a/src/ldso/dynlink.c +++ b/src/ldso/dynlink.c @@ -38,15 +38,24 @@ typedef Elf64_Sym Sym; #define R_SYM(x) ((x)>>32) #endif -struct dso -{ +struct debug { + int ver; + void *head; + void (*bp)(void); + int state; + void *base; +}; + +struct dso { + unsigned char *base; + char *name; + size_t *dynv; struct dso *next, *prev; + int refcnt; - size_t *dynv; Sym *syms; uint32_t *hashtab; char *strings; - unsigned char *base; unsigned char *map; size_t map_len; dev_t dev; @@ -55,7 +64,6 @@ struct dso char relocated; char constructed; struct dso **deps; - char *name; char buf[]; }; @@ -69,6 +77,9 @@ static int ssp_used; static int runtime; static jmp_buf rtld_fail; static pthread_rwlock_t lock; +static struct debug debug; + +struct debug *_dl_debug_addr = &debug; #define AUX_CNT 24 #define DYN_CNT 34 @@ -500,6 +511,10 @@ static void do_init_fini(struct dso *p) } } +void _dl_debug_state(void) +{ +} + void *__dynlink(int argc, char **argv) { size_t *auxv, aux[AUX_CNT] = {0}; @@ -608,6 +623,16 @@ void *__dynlink(int argc, char **argv) * all memory used by the dynamic linker. */ runtime = 1; + for (i=0; app->dynv[i]; i+=2) + if (app->dynv[i]==DT_DEBUG) + app->dynv[i+1] = (size_t)&debug; + debug.ver = 1; + debug.bp = _dl_debug_state; + debug.head = head; + debug.base = lib->base; + debug.state = 0; + _dl_debug_state(); + do_init_fini(tail); if (!rtld_used) { @@ -678,6 +703,8 @@ void *dlopen(const char *file, int mode) p->global = 1; } + _dl_debug_state(); + do_init_fini(tail); end: pthread_rwlock_unlock(&lock); |