diff options
Diffstat (limited to 'elf')
| -rw-r--r-- | elf/rtld.c | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/elf/rtld.c b/elf/rtld.c index 60293800c5..72c81fb00f 100644 --- a/elf/rtld.c +++ b/elf/rtld.c @@ -1024,6 +1024,14 @@ of this helper program; chances are you did not intend to run this program.\n\ _dl_relocate_object might need to call `mprotect' for DT_TEXTREL. */ _dl_sysdep_start_cleanup (); + /* Now enable profiling if needed. Like the previous call, + this has to go here because the calls it makes should use the + rtld versions of the functions (particularly calloc()), but it + needs to have _dl_profile_map set up by the relocator. */ + if (_dl_profile_map != NULL) + /* We must prepare the profiling. */ + _dl_start_profile (_dl_profile_map, _dl_profile_output); + if (_dl_rtld_map.l_opencount > 0) { /* There was an explicit ref to the dynamic linker as a shared lib. @@ -1082,11 +1090,6 @@ of this helper program; chances are you did not intend to run this program.\n\ _dl_unload_cache (); #endif - /* Now enable profiling if needed. */ - if (_dl_profile_map != NULL) - /* We must prepare the profiling. */ - _dl_start_profile (_dl_profile_map, _dl_profile_output); - /* Once we return, _dl_sysdep_start will invoke the DT_INIT functions and then *USER_ENTRY. */ } @@ -1299,11 +1302,7 @@ process_envvars (enum mode *modep, int *lazyp) /* Which shared object shall be profiled. */ if (memcmp (&envline[3], "PROFILE", 7) == 0) - { - _dl_profile = &envline[11]; - if (*_dl_profile == '\0') - _dl_profile = NULL; - } + _dl_profile = &envline[11]; break; case 8: @@ -1388,6 +1387,12 @@ process_envvars (enum mode *modep, int *lazyp) unsetenv ("LD_PRELOAD"); if (library_path != NULL) unsetenv ("LD_LIBRARY_PATH"); + if (_dl_origin_path != NULL) + unsetenv ("LD_ORIGIN_PATH"); + if (debug_output != NULL) + unsetenv ("LD_DEBUG_OUTPUT"); + if (_dl_profile != NULL) + unsetenv ("LD_PROFILE"); for (cnt = 0; cnt < sizeof (unsecure_envvars) / sizeof (unsecure_envvars[0]); @@ -1395,6 +1400,10 @@ process_envvars (enum mode *modep, int *lazyp) unsetenv (unsecure_envvars[cnt]); } + /* The name of the object to profile cannot be empty. */ + if (_dl_profile != NULL && *_dl_profile == '\0') + _dl_profile = NULL; + /* If we have to run the dynamic linker in debugging mode and the LD_DEBUG_OUTPUT environment variable is given, we write the debug messages to this file. */ |