Commit a2a08dfa authored by Jakub Jirutka's avatar Jakub Jirutka

community/llvm3.9: fix test failures on aarch64

parent 8f802648
......@@ -6,7 +6,7 @@ _pkgname=llvm
pkgver=3.9.1
_majorver=${pkgver%.*}
pkgname=$_pkgname$_majorver
pkgrel=3
pkgrel=4
pkgdesc="Low Level Virtual Machine compiler system (version $_majorver)"
arch="all"
url="http://llvm.org/"
......@@ -19,6 +19,7 @@ source="http://llvm.org/releases/$pkgver/llvm-$pkgver.src.tar.xz
llvm-fix-DynamicLibrary-to-build-with-musl-libc.patch
cmake-fix-libLLVM-name.patch
disable-FileSystemTest.CreateDir-perms-assert.patch
fix-memory-mf_exec-on-aarch64.patch
rust-lang-llvm-pr47.patch
rust-lang-llvm-pr53.patch
......@@ -210,6 +211,7 @@ f84cd65d7042e89826ba6e8d48c4c302bf4980da369d7f19a55f217e51c00ca8ed178d453df3a3ce
19bfb9282455d39d07dbb2b1293b03a45c57d522fbb9c5e58dac034200669628b97e7a90cd4ff5d52d9bb79acfccbef653d8a1140a7f0589ecd6f9b7c4ba0eb6 llvm-fix-DynamicLibrary-to-build-with-musl-libc.patch
6d1a716e5aa24e6b9a3acf4cc11e2504b1b01abf574074e9e5617b991de87d5e4e687eb18e85e73d5e632568afe2fc357771c4c96f9e136502071991496fb78c cmake-fix-libLLVM-name.patch
49c47f125014b60d0ea7870f981a2c1708ad705793f89287ed846ee881a837a4dc0170bf467e03f2ef56177473128945287749ac80dc2d13cfabcf8b929ba58a disable-FileSystemTest.CreateDir-perms-assert.patch
e6d925ddc71f9f2ce8a859ac519dad51cba99c07129e378a5388bb1dd2f7d5b9d5ed392e85267fd20043789c7460a7d705eb8f970b2d130edbf5a934e9505ac4 fix-memory-mf_exec-on-aarch64.patch
a7c6056bfa3c2b76bbbc1a663ea84e5db6e269d5360afedaad5fdc3279d4732bc414e8c7d3a3f6f0d7b30ed81d8aec3fd2b35377f81db6d441b17b185d8b9bd0 rust-lang-llvm-pr47.patch
3c35bd342de6ec40aef9af8f18cb7d9aa1d2d8e04e9f320fff7df2c828f663cc12715d86946bc6bbc19f2e99b357a07f0fd9a4acce912c9c195c6837675847d5 rust-lang-llvm-pr53.patch
4f5418082b3bb0992a57f7abbd4187d119cf277a573f899b63af93522d823f9195a754adc56ea2a8fb2f5925b39eb82975b522c30cac275c71204cbe6d809271 rust-lang-llvm-pr54.patch
......
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
@@ -54,7 +54,7 @@
llvm::sys::Memory::MF_EXEC:
return PROT_READ | PROT_WRITE | PROT_EXEC;
case llvm::sys::Memory::MF_EXEC:
-#if defined(__FreeBSD__)
+#if defined(__FreeBSD__) || (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
@@ -62,6 +62,7 @@
// executing these instructions will result in a segmentation fault.
// Somehow, this problem is not present on Linux, but it does happen
// on FreeBSD.
+ // The same problem is present even on aarch64 Linux (at least on musl).
return PROT_READ | PROT_EXEC;
#else
return PROT_EXEC;
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