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| author | NAKAMURA Takumi <geek4civic@gmail.com> | 2014-03-11 00:34:38 +0000 |
|---|---|---|
| committer | NAKAMURA Takumi <geek4civic@gmail.com> | 2014-03-11 00:34:38 +0000 |
| commit | 2ab1641041a6a96af5578d89e4d7f8c932cad381 (patch) | |
| tree | faf4ab146d0711cb32379f46c6490b14e34cc7e7 /unittests | |
| parent | fc779549980436807fb9ed721c893813cbd5e621 (diff) | |
| download | llvm-2ab1641041a6a96af5578d89e4d7f8c932cad381.tar.gz llvm-2ab1641041a6a96af5578d89e4d7f8c932cad381.tar.bz2 llvm-2ab1641041a6a96af5578d89e4d7f8c932cad381.tar.xz | |
MultiJITTest.cpp: Tweak getPointerToNamedFunction() to be aware of also Windows x64.
In import thunk, jmp is:
- On x86, 0xFF 0x25 [disp32].
- On x64, 0xFF 0x25 [pcrel32].
See also my r144178.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203523 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'unittests')
| -rw-r--r-- | unittests/ExecutionEngine/JIT/MultiJITTest.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/unittests/ExecutionEngine/JIT/MultiJITTest.cpp b/unittests/ExecutionEngine/JIT/MultiJITTest.cpp index 48aa955769..5016532eef 100644 --- a/unittests/ExecutionEngine/JIT/MultiJITTest.cpp +++ b/unittests/ExecutionEngine/JIT/MultiJITTest.cpp @@ -174,6 +174,14 @@ TEST(MultiJitTest, JitPool) { EXPECT_TRUE(fa != 0); fa = *(intptr_t *)fa; // Bound value of IAT } +#elif defined(__x86_64__) + // getPointerToNamedFunction might be indirect jump + // on Win32 x64 --enable-shared. + // FF 25 <pcrel32>: jmp *(RIP + pointer to IAT) + if (sa != fa && memcmp((char *)fa, "\xFF\x25", 2) == 0) { + fa += *(int32_t *)(fa + 2) + 6; // Address to IAT(RIP) + fa = *(intptr_t *)fa; // Bound value of IAT + } #endif EXPECT_TRUE(sa == fa); } |