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28 lines
964 B
28 lines
964 B
2 years ago
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commit 40fc6a74ee3dd600c84d311d91cbb16962f11a71
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Author: John David Anglin <danglin@gcc.gnu.org>
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Date: Mon Feb 28 15:47:38 2022 +0000
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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
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code in unwind.c used `#ifdef _STACK_GROWS_DOWN' to selct the
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stack grows down define for FRAME_LEFT. As a result, the
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_STACK_GROWS_DOWN define was always selected and cleanups were
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incorrectly sequenced when the stack grows up.
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(cherry picked from commit 2bbc694df279020a6620096d31c1e05c93966f9b)
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diff --git a/nptl/unwind.c b/nptl/unwind.c
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index f50997f728ccde0d..404fab46d00e9f10 100644
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--- a/nptl/unwind.c
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+++ b/nptl/unwind.c
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@@ -27,7 +27,7 @@
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#include <jmpbuf-unwind.h>
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#include <shlib-compat.h>
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-#ifdef _STACK_GROWS_DOWN
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+#if _STACK_GROWS_DOWN
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# define FRAME_LEFT(frame, other, adj) \
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((uintptr_t) frame - adj >= (uintptr_t) other - adj)
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#elif _STACK_GROWS_UP
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