From e4fd5ed056ccb82b509c52ee0d36e45d14c4787c Mon Sep 17 00:00:00 2001 From: Elena Demikhovsky Date: Tue, 2 Jul 2013 12:24:22 +0000 Subject: Fixed alignment of code sections in the JIT mode. Added a test to the JITMemoryManager. llvm-svn: 185421 --- .../ExecutionEngine/JIT/JITMemoryManagerTest.cpp | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) (limited to 'llvm/unittests/ExecutionEngine/JIT') diff --git a/llvm/unittests/ExecutionEngine/JIT/JITMemoryManagerTest.cpp b/llvm/unittests/ExecutionEngine/JIT/JITMemoryManagerTest.cpp index 21ca0d448ce..c06b89cf43e 100644 --- a/llvm/unittests/ExecutionEngine/JIT/JITMemoryManagerTest.cpp +++ b/llvm/unittests/ExecutionEngine/JIT/JITMemoryManagerTest.cpp @@ -277,4 +277,27 @@ TEST(JITMemoryManagerTest, TestManyStubs) { EXPECT_EQ(3U, MemMgr->GetNumStubSlabs()); } +// Check section allocation and alignment +TEST(JITMemoryManagerTest, AllocateSection) { + OwningPtr MemMgr( + JITMemoryManager::CreateDefaultMemManager()); + uint8_t *code1 = MemMgr->allocateCodeSection(256, 0, 1); + uint8_t *data1 = MemMgr->allocateDataSection(256, 16, 2, true); + uint8_t *code2 = MemMgr->allocateCodeSection(257, 32, 3); + uint8_t *data2 = MemMgr->allocateDataSection(256, 64, 4, false); + uint8_t *code3 = MemMgr->allocateCodeSection(258, 64, 5); + + EXPECT_NE((uint8_t*)0, code1); + EXPECT_NE((uint8_t*)0, code2); + EXPECT_NE((uint8_t*)0, data1); + EXPECT_NE((uint8_t*)0, data2); + + // Check alignment + EXPECT_EQ((uint64_t)code1 & 0xf, 0); + EXPECT_EQ((uint64_t)code2 & 0x1f, 0); + EXPECT_EQ((uint64_t)code3 & 0x3f, 0); + EXPECT_EQ((uint64_t)data1 & 0xf, 0); + EXPECT_EQ((uint64_t)data2 & 0x3f, 0); +} + } -- cgit v1.2.3