From 174baab3f9c3dfff4e16fd5b9eb2e5fb5c27db74 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Tue, 16 Aug 2011 16:11:03 -0400 Subject: [PATCH] Improve printing of lookup scopes The scope of a new object should be printed earlier and when the scope of an already loaded object is extended only the changes should be printed. --- ChangeLog | 7 +++++++ elf/dl-open.c | 14 +++++++------- elf/rtld.c | 2 +- sysdeps/generic/ldsodefs.h | 2 +- 4 files changed, 16 insertions(+), 9 deletions(-) diff --git a/ChangeLog b/ChangeLog index 15c0144..6dbab2e 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,12 @@ 2011-08-16 Ulrich Drepper + * elf/dl-open.c (_dl_show_scope): Take additional parameter which + specifies first scope to show. + (dl_open_worker): Update callers. Move printing scope of new + object to before the relocation. + * rtld.c (dl_main): Update _dl_show_scope call. + * sysdeps/generic/ldsodefs.h: Update declaration. + * elf/dl-open.c (_dl_show_scope): Use _dl_debug_printf to generate the string for the scope number. diff --git a/elf/dl-open.c b/elf/dl-open.c index 980c47e..65fdd31 100644 --- a/elf/dl-open.c +++ b/elf/dl-open.c @@ -288,6 +288,10 @@ dl_open_worker (void *a) r->r_state = RT_CONSISTENT; _dl_debug_state (); + /* Print scope information. */ + if (__builtin_expect (GLRO(dl_debug_mask) & DL_DEBUG_SCOPES, 0)) + _dl_show_scope (new, 0); + /* Only do lazy relocation if `LD_BIND_NOW' is not set. */ int reloc_mode = mode & __RTLD_AUDIT; if (GLRO(dl_lazy)) @@ -407,7 +411,7 @@ dl_open_worker (void *a) /* Print scope information. */ if (__builtin_expect (GLRO(dl_debug_mask) & DL_DEBUG_SCOPES, 0)) - _dl_show_scope (imap); + _dl_show_scope (imap, cnt); } /* Only add TLS memory if this object is loaded now and therefore is not yet initialized. */ @@ -493,10 +497,6 @@ cannot load any more object with static TLS")); if (__builtin_expect (GLRO(dl_debug_mask) & DL_DEBUG_FILES, 0)) _dl_debug_printf ("opening file=%s [%lu]; direct_opencount=%u\n\n", new->l_name, new->l_ns, new->l_direct_opencount); - - /* Print scope information. */ - if (__builtin_expect (GLRO(dl_debug_mask) & DL_DEBUG_SCOPES, 0)) - _dl_show_scope (new); } @@ -634,12 +634,12 @@ no more namespaces available for dlmopen()")); void -_dl_show_scope (struct link_map *l) +_dl_show_scope (struct link_map *l, int from) { _dl_debug_printf ("object=%s [%lu]\n", *l->l_name ? l->l_name : rtld_progname, l->l_ns); if (l->l_scope != NULL) - for (int scope_cnt = 0; l->l_scope[scope_cnt] != NULL; ++scope_cnt) + for (int scope_cnt = from; l->l_scope[scope_cnt] != NULL; ++scope_cnt) { _dl_debug_printf (" scope %u:", scope_cnt); diff --git a/elf/rtld.c b/elf/rtld.c index 478d037..87bb5f0 100644 --- a/elf/rtld.c +++ b/elf/rtld.c @@ -2197,7 +2197,7 @@ ERROR: ld.so: object '%s' cannot be loaded as audit interface: %s; ignored.\n", _dl_debug_printf ("\nInitial object scopes\n"); for (struct link_map *l = main_map; l != NULL; l = l->l_next) - _dl_show_scope (l); + _dl_show_scope (l, 0); } if (prelinked) diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h index 8c7f00f..b24bff3 100644 --- a/sysdeps/generic/ldsodefs.h +++ b/sysdeps/generic/ldsodefs.h @@ -1106,7 +1106,7 @@ extern int _dl_addr_inside_object (struct link_map *l, const ElfW(Addr) addr) internal_function attribute_hidden; /* Show show of an object. */ -extern void _dl_show_scope (struct link_map *new); +extern void _dl_show_scope (struct link_map *new, int from); __END_DECLS -- 2.7.4