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| author | Maxim Ostapenko <m.ostapenko@samsung.com> | 2016-12-02 16:35:08 +0300 |
|---|---|---|
| committer | Maxim Ostapenko <m.ostapenko@samsung.com> | 2016-12-02 16:35:57 +0300 |
| commit | 984ca2f7f4f523eed7074e3af78252e724b62617 (patch) | |
| tree | 0dce0dec4dcae1f2354235fba925ea40333ea3e2 | |
| parent | a43f6c3d4b474fdc97e349dbd50ece6214890b18 (diff) | |
| download | linaro-gcc-984ca2f7f4f523eed7074e3af78252e724b62617.tar.gz linaro-gcc-984ca2f7f4f523eed7074e3af78252e724b62617.tar.bz2 linaro-gcc-984ca2f7f4f523eed7074e3af78252e724b62617.zip | |
Use last_alloca_addr as an indicator in asan_emit_stack_protection
Change-Id: I6a5a4b4f94d6af72a44cf685cc8e256881831fc5
Signed-off-by: Maxim Ostapenko <m.ostapenko@samsung.com>
| -rw-r--r-- | gcc/asan.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/asan.c b/gcc/asan.c index f4c07bac570..aa3c75c16c0 100644 --- a/gcc/asan.c +++ b/gcc/asan.c @@ -1499,7 +1499,9 @@ asan_emit_stack_protection (rtx base, rtx pbase, unsigned int alignb, asan_clear_shadow (shadow_mem, last_size >> ASAN_SHADOW_SHIFT); } - if (cfun->calls_alloca || !asan_stack_dynamic_offset_vec.is_empty ()) + /* If last_alloca_addr != NULL_TREE then we need to perform unpoisoning stuff. + */ + if (cfun->calls_alloca || (last_alloca_addr != NULL_TREE)) asan_emit_allocas_unpoison (orig_base, false); do_pending_stack_adjust (); |