diff options
| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2012-07-08 21:10:56 +0200 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2012-07-08 21:10:56 +0200 |
| commit | b66ac0ec5ba12e213bf196276d14bcf8168e1e52 (patch) | |
| tree | beaa25dbbc5d0c20a19b47b64eea75451dff573c /libthreads/stack.c | |
| parent | f16e9d281458a62da986a454522a58d9947bfd76 (diff) | |
Always enable stack red zone
* libthreads/stack.c (setup_stack): Always enable disabling access to end of
stack. Add support for stacks growing up.
Diffstat (limited to 'libthreads/stack.c')
| -rw-r--r-- | libthreads/stack.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/libthreads/stack.c b/libthreads/stack.c index d6dd9fff..21a9b6be 100644 --- a/libthreads/stack.c +++ b/libthreads/stack.c @@ -176,9 +176,7 @@ setup_stack(p, base) register cproc_t p; register vm_address_t base; { -#if defined(RED_ZONE) register kern_return_t r; -#endif /* defined(RED_ZONE) */ p->stack_base = base; /* @@ -188,9 +186,11 @@ setup_stack(p, base) /* * Protect red zone. */ -#if defined(RED_ZONE) +#ifdef STACK_GROWTH_UP + MACH_CALL(vm_protect(mach_task_self(), base + cthread_stack_size - 2*vm_page_size, vm_page_size, FALSE, VM_PROT_NONE), r); +#else MACH_CALL(vm_protect(mach_task_self(), base + vm_page_size, vm_page_size, FALSE, VM_PROT_NONE), r); -#endif /* defined(RED_ZONE) */ +#endif /* * Store self pointer. */ |