diff options
Diffstat (limited to 'elf')
| -rw-r--r-- | elf/dl-support.c | 9 | ||||
| -rw-r--r-- | elf/dl-sysdep.c | 3 | ||||
| -rw-r--r-- | elf/elf.h | 2 | ||||
| -rw-r--r-- | elf/rtld.c | 2 |
4 files changed, 15 insertions, 1 deletions
diff --git a/elf/dl-support.c b/elf/dl-support.c index 2c11ac6881..e5b74fb4d6 100644 --- a/elf/dl-support.c +++ b/elf/dl-support.c @@ -1,5 +1,5 @@ /* Support for dynamic linking code in static libc. - Copyright (C) 1996-2005, 2006, 2007 Free Software Foundation, Inc. + Copyright (C) 1996-2005, 2006, 2007, 2008 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 @@ -62,8 +62,12 @@ struct link_map *_dl_profile_map; /* This is the address of the last stack address ever used. */ void *__libc_stack_end; +#ifndef __ASSUME_AT_EXECFN /* Path where the binary is found. */ const char *_dl_origin_path; +#endif +/* File Name of the executable. */ +const char *_dl_execfn; /* Nonzero if runtime lookup should not update the .got/.plt. */ int _dl_bind_not; @@ -216,6 +220,9 @@ _dl_aux_init (ElfW(auxv_t) *av) __libc_enable_secure = av->a_un.a_val; __libc_enable_secure_decided = 1; break; + case AT_EXECFN: + GLRO(dl_execfn) = (void *) av->a_un.a_val; + break; # ifdef DL_PLATFORM_AUXV DL_PLATFORM_AUXV # endif diff --git a/elf/dl-sysdep.c b/elf/dl-sysdep.c index dd55905e14..1ff7a350be 100644 --- a/elf/dl-sysdep.c +++ b/elf/dl-sysdep.c @@ -173,6 +173,9 @@ _dl_sysdep_start (void **start_argptr, GLRO(dl_sysinfo_dso) = (void *) av->a_un.a_val; break; #endif + case AT_EXECFN: + GLRO(dl_execfn) = (void *) av->a_un.a_val; + break; #ifdef DL_PLATFORM_AUXV DL_PLATFORM_AUXV #endif diff --git a/elf/elf.h b/elf/elf.h index 269de527e6..a4134462ac 100644 --- a/elf/elf.h +++ b/elf/elf.h @@ -970,6 +970,8 @@ typedef struct #define AT_SECURE 23 /* Boolean, was exec setuid-like? */ +#define AT_EXECFN 31 /* Filename of executable. */ + /* Pointer to the global system page used for system calls and other nice things. */ #define AT_SYSINFO 32 diff --git a/elf/rtld.c b/elf/rtld.c index 46bece7fa3..3f2267af0e 100644 --- a/elf/rtld.c +++ b/elf/rtld.c @@ -2579,10 +2579,12 @@ process_envvars (enum mode *modep) break; case 11: +#ifndef __ASSUME_AT_EXECFN /* Path where the binary is found. */ if (!INTUSE(__libc_enable_secure) && memcmp (envline, "ORIGIN_PATH", 11) == 0) GLRO(dl_origin_path) = &envline[12]; +#endif break; case 12: |