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-rw-r--r--main/llvm11/fix-memory-mf_exec-on-aarch64.patch25
1 files changed, 25 insertions, 0 deletions
diff --git a/main/llvm11/fix-memory-mf_exec-on-aarch64.patch b/main/llvm11/fix-memory-mf_exec-on-aarch64.patch
new file mode 100644
index 0000000000..c4166ed9a8
--- /dev/null
+++ b/main/llvm11/fix-memory-mf_exec-on-aarch64.patch
@@ -0,0 +1,25 @@
+Fix failures in AllocationTests/MappedMemoryTest.* on aarch64:
+
+ Failing Tests (8):
+ LLVM-Unit :: Support/./SupportTests/AllocationTests/MappedMemoryTest.AllocAndRelease/3
+ LLVM-Unit :: Support/./SupportTests/AllocationTests/MappedMemoryTest.DuplicateNear/3
+ LLVM-Unit :: Support/./SupportTests/AllocationTests/MappedMemoryTest.EnabledWrite/3
+ LLVM-Unit :: Support/./SupportTests/AllocationTests/MappedMemoryTest.MultipleAllocAndRelease/3
+ LLVM-Unit :: Support/./SupportTests/AllocationTests/MappedMemoryTest.SuccessiveNear/3
+ LLVM-Unit :: Support/./SupportTests/AllocationTests/MappedMemoryTest.UnalignedNear/3
+ LLVM-Unit :: Support/./SupportTests/AllocationTests/MappedMemoryTest.ZeroNear/3
+ LLVM-Unit :: Support/./SupportTests/AllocationTests/MappedMemoryTest.ZeroSizeNear/3
+
+Upstream-Issue: https://bugs.llvm.org/show_bug.cgi?id=14278#c10
+
+--- a/lib/Support/Unix/Memory.inc
++++ b/lib/Support/Unix/Memory.inc
+@@ -58,7 +58,7 @@
+ return PROT_READ | PROT_WRITE | PROT_EXEC;
+ case llvm::sys::Memory::MF_EXEC:
+ #if (defined(__FreeBSD__) || defined(__POWERPC__) || defined (__ppc__) || \
+- defined(_POWER) || defined(_ARCH_PPC))
++ defined(_POWER) || defined(_ARCH_PPC) || (defined(__linux__) && defined(__aarch64__)))
+ // On PowerPC, having an executable page that has no read permission
+ // can have unintended consequences. The function InvalidateInstruction-
+ // Cache uses instructions dcbf and icbi, both of which are treated by