diff options
Diffstat (limited to 'elf/dl-open.c')
| -rw-r--r-- | elf/dl-open.c | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/elf/dl-open.c b/elf/dl-open.c index 8cf1084..3db2b0e 100644 --- a/elf/dl-open.c +++ b/elf/dl-open.c @@ -1,5 +1,5 @@ /* Load a shared object at runtime, relocate it, and run its initializer. - Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc. + Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -42,6 +42,11 @@ extern char **__libc_argv; extern char **__environ; +/* Undefine the following for debugging. */ +/* #define SCOPE_DEBUG 1 */ +#ifdef SCOPE_DEBUG +static void show_scope (struct link_map *new); +#endif /* During the program run we must not modify the global data of loaded shared object simultanously in two threads. Therefore we @@ -86,6 +91,10 @@ dl_open_worker (void *a) /* So far, so good. Now check the versions. */ (void) _dl_check_all_versions (new, 0); +#ifdef SCOPE_DEBUG + show_scope (new); +#endif + /* Relocate the objects loaded. We do this in reverse order so that copy relocs of earlier objects overwrite the data written by later objects. */ @@ -195,3 +204,34 @@ _dl_open (const char *file, int mode) return args.map; } + + +#ifdef SCOPE_DEBUG +#include <unistd.h> + +static void +show_scope (struct link_map *new) +{ + int scope_cnt; + + for (scope_cnt = 0; new->l_scope[scope_cnt] != NULL; ++scope_cnt) + { + char numbuf[2]; + unsigned int cnt; + + numbuf[0] = '0' + scope_cnt; + numbuf[1] = '\0'; + _dl_sysdep_message ("scope ", numbuf, ":", NULL); + + for (cnt = 0; cnt < new->l_scope[scope_cnt]->r_nlist; ++cnt) + if (*new->l_scope[scope_cnt]->r_list[cnt]->l_name) + _dl_sysdep_message (" ", + new->l_scope[scope_cnt]->r_list[cnt]->l_name, + NULL); + else + _dl_sysdep_message (" <main>", NULL); + + _dl_sysdep_message ("\n", NULL); + } +} +#endif |