diff options
| author | Richard Henderson <rth@twiddle.net> | 2012-05-20 10:34:00 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2012-05-20 10:40:35 -0700 |
| commit | c7683a6d02f3ed59f5cd119b3e8547f45a15912f (patch) | |
| tree | 029e73af4f78064dc5788972d5fc3a86fc70f1d6 /elf | |
| parent | a6f1845d45d0ea9303b3c71944c0a511e23bde26 (diff) | |
| download | glibc-c7683a6d02f3ed59f5cd119b3e8547f45a15912f.tar.gz | |
Add <sys/auxv.h> and getauxval.
Diffstat (limited to 'elf')
| -rw-r--r-- | elf/dl-support.c | 2 | ||||
| -rw-r--r-- | elf/dl-sysdep.c | 9 |
2 files changed, 6 insertions, 5 deletions
diff --git a/elf/dl-support.c b/elf/dl-support.c index a0f2122071..2bb468a5fb 100644 --- a/elf/dl-support.c +++ b/elf/dl-support.c @@ -125,6 +125,7 @@ int _dl_debug_fd = STDERR_FILENO; int _dl_correct_cache_id = _DL_CACHE_DEFAULT_ID; +ElfW(auxv_t) *_dl_auxv; ElfW(Phdr) *_dl_phdr; size_t _dl_phnum; uint64_t _dl_hwcap __attribute__ ((nocommon)); @@ -187,6 +188,7 @@ _dl_aux_init (ElfW(auxv_t) *av) uid_t uid = 0; gid_t gid = 0; + _dl_auxv = av; for (; av->a_type != AT_NULL; ++av) switch (av->a_type) { diff --git a/elf/dl-sysdep.c b/elf/dl-sysdep.c index ea505a646f..e2a9d935ab 100644 --- a/elf/dl-sysdep.c +++ b/elf/dl-sysdep.c @@ -61,7 +61,6 @@ int __libc_multiple_libcs = 0; /* Defining this here avoids the inclusion /* This variable contains the lowest stack address ever used. */ void *__libc_stack_end attribute_relro = NULL; rtld_hidden_data_def(__libc_stack_end) -static ElfW(auxv_t) *_dl_auxv attribute_relro; void *_dl_random attribute_relro = NULL; #ifndef DL_FIND_ARG_COMPONENTS @@ -111,12 +110,12 @@ _dl_sysdep_start (void **start_argptr, __libc_stack_end = DL_STACK_END (start_argptr); DL_FIND_ARG_COMPONENTS (start_argptr, _dl_argc, INTUSE(_dl_argv), _environ, - _dl_auxv); + GLRO(dl_auxv)); user_entry = (ElfW(Addr)) ENTRY_POINT; GLRO(dl_platform) = NULL; /* Default to nothing known about the platform. */ - for (av = _dl_auxv; av->a_type != AT_NULL; set_seen (av++)) + for (av = GLRO(dl_auxv); av->a_type != AT_NULL; set_seen (av++)) switch (av->a_type) { case AT_PHDR: @@ -240,7 +239,7 @@ _dl_sysdep_start (void **start_argptr, if (__builtin_expect (INTUSE(__libc_enable_secure), 0)) __libc_check_standard_fds (); - (*dl_main) (phdr, phnum, &user_entry, _dl_auxv); + (*dl_main) (phdr, phnum, &user_entry, GLRO(dl_auxv)); return user_entry; } @@ -265,7 +264,7 @@ _dl_show_auxv (void) close by (otherwise the array will be too large). In case we have to support a platform where these requirements are not fulfilled some alternative implementation has to be used. */ - for (av = _dl_auxv; av->a_type != AT_NULL; ++av) + for (av = GLRO(dl_auxv); av->a_type != AT_NULL; ++av) { static const struct { |