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nptl: Fix cleanups for stack grows up [BZ# 28899]

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_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.
This commit is contained in:
John David Anglin 2022-02-28 15:47:38 +00:00
parent ca7334d34b
commit 2bbc694df2
1 changed files with 1 additions and 1 deletions
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2
nptl/unwind.c
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@ -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