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[compiler-rt][interception][win] Add more assembly patterns

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These assembly patterns are needed to intercept some libc++ and
libunwind functions built by Clang for i686-w64-windows-gnu target.

Differential Revision: https://reviews.llvm.org/D148990
This commit is contained in:
Alvin Wong
2023-04-22 19:26:08 +08:00
parent efc494aa4d
commit ca40985ee9
2 changed files with 30 additions and 0 deletions
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27
compiler-rt/lib/interception/tests/interception_win_test.cpp
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@@ -283,6 +283,30 @@ const u8 kPatchableCode11[] = {
0x83, 0x64, 0x24, 0x28, 0x00, // and dword ptr [rsp+28h],0
};
const u8 kPatchableCode12[] = {
0x55, // push ebp
0x53, // push ebx
0x57, // push edi
0x56, // push esi
0x8b, 0x6c, 0x24, 0x18, // mov ebp,dword ptr[esp+18h]
};
const u8 kPatchableCode13[] = {
0x55, // push ebp
0x53, // push ebx
0x57, // push edi
0x56, // push esi
0x8b, 0x5c, 0x24, 0x14, // mov ebx,dword ptr[esp+14h]
};
const u8 kPatchableCode14[] = {
0x55, // push ebp
0x89, 0xe5, // mov ebp,esp
0x53, // push ebx
0x57, // push edi
0x56, // push esi
};
// A buffer holding the dynamically generated code under test.
u8* ActiveCode;
const size_t ActiveCodeLength = 4096;
@@ -679,8 +703,11 @@ TEST(Interception, PatchableFunctionWithTrampoline) {
EXPECT_FALSE(TestFunctionPatching(kUnpatchableCode9, override, prefix));
#else
EXPECT_TRUE(TestFunctionPatching(kPatchableCode3, override, prefix));
EXPECT_TRUE(TestFunctionPatching(kPatchableCode12, override, prefix));
EXPECT_TRUE(TestFunctionPatching(kPatchableCode13, override, prefix));
#endif
EXPECT_FALSE(TestFunctionPatching(kPatchableCode4, override, prefix));
EXPECT_TRUE(TestFunctionPatching(kPatchableCode14, override, prefix));
EXPECT_FALSE(TestFunctionPatching(kUnpatchableCode1, override, prefix));
EXPECT_FALSE(TestFunctionPatching(kUnpatchableCode2, override, prefix));