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| author |   Ulrich Drepper <drepper@redhat.com> | 2004-03-27 03:40:33 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2004-03-27 03:40:33 +0000 |
| commit | eec8b6cae586451deadf30c371f7b5e4c9d573d1 (patch) | |
| tree | b005437b5b7d69778e06694e4bd836a3e7c42f6a /nptl | |
| parent | Header with call site checker definitions. (diff) | |
| download | glibc-eec8b6cae586451deadf30c371f7b5e4c9d573d1.tar.gz glibc-eec8b6cae586451deadf30c371f7b5e4c9d573d1.tar.bz2 glibc-eec8b6cae586451deadf30c371f7b5e4c9d573d1.zip | |
Update.
2004-03-26 Ulrich Drepper <drepper@redhat.com>
* elf/dl-caller.c: New file.
* include/caller.h: New file.
* Makefile (distribute): Add include/caller.h.
* elf/Makefile (dl-routines): Add dl-caller.
* elf/dl-load.c (_dl_map_object_from_fd): Record l_text_end.
* elf/dl-open.c (check_libc_caller): Removed.
(dl_open_worker): Use __check_caller instead.
* elf/rtld.c (_rtld_global_ro): Initialize _dl_check_caller.
(_dl_start_final): Record l_text_end for ld.so map.
(dl_main): Record l_text_end for main object and vdso.
* include/link.h (struct link_map): Add l_text_end field.
* sysdeps/generic/ldsodefs.h (struct rtld_global_ro): Add
_dl_check_caller field.
Define enum allowmask. Add declaration of _dl_check_caller.
* sysdeps/unix/sysv/linux/dl-execstack.c: Also use __check_caller test.
Diffstat (limited to 'nptl')
| -rw-r--r-- | nptl/ChangeLog | 5 | ||||
| -rw-r--r-- | nptl/allocatestack.c | 11 |
2 files changed, 9 insertions, 7 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog index b29f3b30f5..43dfc3b63c 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,3 +1,8 @@ +2004-03-26 Ulrich Drepper <drepper@redhat.com> + + * allocatestack.c (_make_stacks_executable): Call + _dl_make_stack_executable first. + 2004-03-24 Roland McGrath <roland@redhat.com> * sysdeps/i386/pthread_spin_lock.c (pthread_spin_lock): Use "m" diff --git a/nptl/allocatestack.c b/nptl/allocatestack.c index 7983bed273..4b5af82f06 100644 --- a/nptl/allocatestack.c +++ b/nptl/allocatestack.c @@ -676,9 +676,10 @@ int internal_function __make_stacks_executable (void **stack_endp) { - /* Challenge the caller. */ - if (*stack_endp != __libc_stack_end) - return EPERM; + /* First the main thread's stack. */ + int err = _dl_make_stack_executable (stack_endp); + if (err != 0) + return err; #ifdef NEED_SEPARATE_REGISTER_STACK const size_t pagemask = ~(__getpagesize () - 1); @@ -686,7 +687,6 @@ __make_stacks_executable (void **stack_endp) lll_lock (stack_cache_lock); - int err = 0; list_t *runp; list_for_each (runp, &stack_used) { @@ -716,9 +716,6 @@ __make_stacks_executable (void **stack_endp) lll_unlock (stack_cache_lock); - if (err == 0) - err = _dl_make_stack_executable (stack_endp); - return err; } |