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authorJohn David Anglin <danglin@gcc.gnu.org>2022-02-28 15:47:38 +0000
committerJohn David Anglin <danglin@gcc.gnu.org>2022-02-28 15:47:38 +0000
commit2bbc694df279020a6620096d31c1e05c93966f9b (patch)
tree474c8d145637e7beabbdd606541c5bcad32c69ff /nptl
parentca7334d34b7811fc261c84c498fd4a19acd70530 (diff)
downloadglibc-2bbc694df279020a6620096d31c1e05c93966f9b.tar.gz
nptl: Fix cleanups for stack grows up [BZ# 28899]
_STACK_GROWS_DOWN is defined to 0 when the stack grows up. The code in unwind.c used `#ifdef _STACK_GROWS_DOWN' to selct the stack grows down define for FRAME_LEFT. As a result, the _STACK_GROWS_DOWN define was always selected and cleanups were incorrectly sequenced when the stack grows up.
Diffstat (limited to 'nptl')
-rw-r--r--nptl/unwind.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/nptl/unwind.c b/nptl/unwind.c
index c3563e3467..33b0d87579 100644
--- a/nptl/unwind.c
+++ b/nptl/unwind.c
@@ -25,7 +25,7 @@
#include <jmpbuf-unwind.h>
#include <shlib-compat.h>
-#ifdef _STACK_GROWS_DOWN
+#if _STACK_GROWS_DOWN
# define FRAME_LEFT(frame, other, adj) \
((uintptr_t) frame - adj >= (uintptr_t) other - adj)
#elif _STACK_GROWS_UP