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| author | Roland McGrath <roland@gnu.org> | 2003-07-29 08:57:15 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 2003-07-29 08:57:15 +0000 |
| commit | 172ce013bdd864ba22b6b22611ffd893f1f9f2a6 (patch) | |
| tree | 8d147bf8e002c5dd3a2aa6a9c1a13a9b0a5bd460 | |
| parent | 5181d776e8bb3c277ea291b3b43be0ce8a38c6c3 (diff) | |
| download | glibc-172ce013bdd864ba22b6b22611ffd893f1f9f2a6.zip glibc-172ce013bdd864ba22b6b22611ffd893f1f9f2a6.tar.gz glibc-172ce013bdd864ba22b6b22611ffd893f1f9f2a6.tar.bz2 | |
* elf/dl-support.c (_dl_hwcap): Add nocommon attribute.
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | elf/dl-support.c | 23 | ||||
| -rw-r--r-- | linuxthreads/ChangeLog | 8 | ||||
| -rw-r--r-- | nptl/ChangeLog | 4 |
4 files changed, 37 insertions, 2 deletions
@@ -1,3 +1,7 @@ +2003-07-25 Jakub Jelinek <jakub@redhat.com> + + * elf/dl-support.c (_dl_hwcap): Add nocommon attribute. + 2003-07-29 Roland McGrath <roland@redhat.com> * elf/Makefile (tests) [$(build-shared) = yes]: diff --git a/elf/dl-support.c b/elf/dl-support.c index 1616eec..6a02e4e 100644 --- a/elf/dl-support.c +++ b/elf/dl-support.c @@ -121,9 +121,19 @@ int _dl_debug_fd = STDERR_FILENO; int _dl_correct_cache_id = _DL_CACHE_DEFAULT_ID; -struct ElfW(Phdr) *_dl_phdr; +ElfW(Phdr) *_dl_phdr; size_t _dl_phnum; -unsigned long int _dl_hwcap; +unsigned long int _dl_hwcap __attribute__ ((nocommon)); + +/* Prevailing state of the stack, PF_X indicating it's executable. */ +ElfW(Word) _dl_stack_flags = PF_R|PF_W|PF_X; + +/* If loading a shared object requires that we make the stack executable + when it was not, we do it by calling this function. + It returns an errno code or zero on success. */ +int (*_dl_make_stack_executable_hook) (void) internal_function + = _dl_make_stack_executable; + #ifdef NEED_DL_SYSINFO /* Needed for improved syscall handling on at least x86/Linux. */ @@ -260,6 +270,15 @@ _dl_non_dynamic_init (void) /* Now determine the length of the platform string. */ if (_dl_platform != NULL) _dl_platformlen = strlen (_dl_platform); + + /* Scan for a program header telling us the stack is nonexecutable. */ + if (_dl_phdr != NULL) + for (uint_fast16_t i = 0; i < _dl_phnum; ++i) + if (_dl_phdr[i].p_type == PT_GNU_STACK) + { + _dl_stack_flags = _dl_phdr[i].p_flags; + break; + } } diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog index ca31927..4d70bb3 100644 --- a/linuxthreads/ChangeLog +++ b/linuxthreads/ChangeLog @@ -1,3 +1,11 @@ +2003-07-29 Roland McGrath <roland@redhat.com> + + * Makefile [$(build-shared) = yes] (tests): Depend on $(test-modules). + +2003-07-25 Roland McGrath <roland@redhat.com> + + * manager.c (pthread_start_thread): Fix typo in last change. + 2003-07-14 Guido Guenther <agx@sigxcpu.org> * sysdeps/unix/sysv/linux/mips/sysdep-cancel.h: Add IS_IN_librt, diff --git a/nptl/ChangeLog b/nptl/ChangeLog index 0f6bea5..145c719 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,3 +1,7 @@ +2003-07-29 Roland McGrath <roland@redhat.com> + + * Makefile [$(build-shared) = yes] (tests): Depend on $(test-modules). + 2003-07-25 Jakub Jelinek <jakub@redhat.com> * tst-cancel17.c (do_test): Check if aio_cancel failed. |