[HWASan] Fixed slow DWARF unwinding.
Summary: CFA was setup incorrectly, as there is an 8-byte gap at the top of the stack for SP 16-byte alignment purposes.
Reviewers: eugenis
Reviewed By: eugenis
Subscribers: kubamracek, javed.absar, #sanitizers, llvm-commits, pcc
Tags: #sanitizers, #llvm
Differential Revision: https://reviews.llvm.org/D60798
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@358535 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/hwasan/hwasan_tag_mismatch_aarch64.S b/lib/hwasan/hwasan_tag_mismatch_aarch64.S
index dfbd053..92f6274 100644
--- a/lib/hwasan/hwasan_tag_mismatch_aarch64.S
+++ b/lib/hwasan/hwasan_tag_mismatch_aarch64.S
@@ -68,9 +68,9 @@
// __hwasan_tag_mismatch. The frame pointer is already correctly setup
// by __hwasan_check_*.
add x29, sp, #232
- CFI_DEF_CFA(w29, 16)
- CFI_OFFSET(w30, -8)
- CFI_OFFSET(w29, -16)
+ CFI_DEF_CFA(w29, 24)
+ CFI_OFFSET(w30, -16)
+ CFI_OFFSET(w29, -24)
// Save the rest of the registers into the preallocated space left by
// __hwasan_check.
