llvm/0001-Fix-page-size-constant-on-aarch64-and-ppc64le.patch
Nikita Popov 5218c9a2fb Add compiler-rt patch for RHEL 8 page sizes
RHEL 8 uses different page sizes, and we need to patch the CFI
implementation to use those.
2024-09-03 08:20:32 +02:00

25 lines
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Diff

From 5f73befe5a0df82e455f4b1052e62f34009e98bb Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstellar@redhat.com>
Date: Tue, 23 Apr 2024 15:08:34 -0700
Subject: [PATCH] Fix page size constant on aarch64 and ppc64le
---
compiler-rt/lib/cfi/cfi.cpp | 2 ++
1 file changed, 2 insertions(+)
diff --git a/compiler-rt/lib/cfi/cfi.cpp b/compiler-rt/lib/cfi/cfi.cpp
index ad1c91623514..e7e86e5807a8 100644
--- a/compiler-rt/lib/cfi/cfi.cpp
+++ b/compiler-rt/lib/cfi/cfi.cpp
@@ -53,6 +53,8 @@ namespace __cfi {
#if SANITIZER_LOONGARCH64
#define kCfiShadowLimitsStorageSize 16384 // 16KiB on loongarch64 per page
+#elif defined(__aarch64__) || defined(__powerpc64__)
+#define kCfiShadowLimitsStorageSize 65536 // 1 page
#else
#define kCfiShadowLimitsStorageSize 4096 // 1 page
#endif
--
2.40.1