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| author | Ulrich Drepper <drepper@gmail.com> | 2011-08-20 12:59:45 -0400 |
|---|---|---|
| committer | Ulrich Drepper <drepper@gmail.com> | 2011-08-20 12:59:45 -0400 |
| commit | 49c74ba90e99c978b452dd430d08bb831e26a2aa (patch) | |
| tree | 5373b6bea78db7d178e7baa62d6d62c5a16fbfb0 | |
| parent | 5c43483f0c868a29161979a783b7a728d665f06e (diff) | |
| download | glibc-49c74ba90e99c978b452dd430d08bb831e26a2aa.tar.gz | |
Further improve printing os ELF symbol lookup scope information
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | elf/dl-open.c | 15 |
2 files changed, 16 insertions, 3 deletions
@@ -1,5 +1,9 @@ 2011-08-20 Ulrich Drepper <drepper@gmail.com> + * elf/dl-open.c (add_to_global): Report additions to the global scope + for LD_DEBUG=scopes. + (dl_open_worker): Also print scope of newly loaded dependencies. + [BZ #13114] * stdio-common/Makefile (tests): Add bug24. * stdio-common/bug24.c: New file. diff --git a/elf/dl-open.c b/elf/dl-open.c index 65fdd3168d..865490daaf 100644 --- a/elf/dl-open.c +++ b/elf/dl-open.c @@ -152,6 +152,11 @@ add_to_global (struct link_map *new) { map->l_global = 1; ns->_ns_main_searchlist->r_list[new_nlist++] = map; + + /* We modify the global scope. Report this. */ + if (__builtin_expect (GLRO(dl_debug_mask) & DL_DEBUG_SCOPES, 0)) + _dl_debug_printf ("\nadd %s [%lu] to global scope\n", + map->l_name, map->l_ns); } } atomic_write_barrier (); @@ -345,6 +350,7 @@ dl_open_worker (void *a) for (unsigned int i = 0; i < new->l_searchlist.r_nlist; ++i) { struct link_map *imap = new->l_searchlist.r_list[i]; + int from_scope = 0; /* If the initializer has been called already, the object has not been loaded here and now. */ @@ -409,9 +415,8 @@ dl_open_worker (void *a) atomic_write_barrier (); imap->l_scope[cnt] = &new->l_searchlist; - /* Print scope information. */ - if (__builtin_expect (GLRO(dl_debug_mask) & DL_DEBUG_SCOPES, 0)) - _dl_show_scope (imap, cnt); + /* Print only new scope information. */ + from_scope = cnt; } /* Only add TLS memory if this object is loaded now and therefore is not yet initialized. */ @@ -431,6 +436,10 @@ dl_open_worker (void *a) /* We have to bump the generation counter. */ any_tls = true; } + + /* Print scope information. */ + if (__builtin_expect (GLRO(dl_debug_mask) & DL_DEBUG_SCOPES, 0)) + _dl_show_scope (imap, from_scope); } /* Bump the generation number if necessary. */ |