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format: Emit XACQUIRE/XRELEASE

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As CMPXCHGD has a mandatory prefix table, it is absolutely necessary
that the presence of any tables does not modify any decoding state.
This commit is contained in:
Alexis Engelke
2021-01-23 14:35:08 +01:00
parent ab63a3c921
commit f17d84cee6
3 changed files with 43 additions and 2 deletions
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26
tests/test_decode.c
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@@ -90,6 +90,32 @@ main(int argc, char** argv)
TEST64("\xf2\x0f\xc7\x0f", "cmpxchg8b qword ptr [rdi]");
TEST32("\xf3\x0f\xc7\x0f", "cmpxchg8b qword ptr [edi]");
TEST64("\xf3\x0f\xc7\x0f", "cmpxchg8b qword ptr [rdi]");
TEST32("\xf2\xf0\x0f\xc7\x0f", "xacquire lock cmpxchg8b qword ptr [edi]");
TEST64("\xf2\xf0\x0f\xc7\x0f", "xacquire lock cmpxchg8b qword ptr [rdi]");
TEST32("\xf3\xf0\x0f\xc7\x0f", "xrelease lock cmpxchg8b qword ptr [edi]");
TEST64("\xf3\xf0\x0f\xc7\x0f", "xrelease lock cmpxchg8b qword ptr [rdi]");
TEST32("\x87\x0f", "xchg dword ptr [edi], ecx");
TEST64("\x87\x0f", "xchg dword ptr [rdi], ecx");
TEST32("\xf2\x87\x0f", "xacquire xchg dword ptr [edi], ecx");
TEST64("\xf2\x87\x0f", "xacquire xchg dword ptr [rdi], ecx");
TEST32("\xf3\x87\x0f", "xrelease xchg dword ptr [edi], ecx");
TEST64("\xf3\x87\x0f", "xrelease xchg dword ptr [rdi], ecx");
TEST32("\xf2\xf0\x87\x0f", "xacquire lock xchg dword ptr [edi], ecx");
TEST64("\xf2\xf0\x87\x0f", "xacquire lock xchg dword ptr [rdi], ecx");
TEST32("\xf3\xf0\x87\x0f", "xrelease lock xchg dword ptr [edi], ecx");
TEST64("\xf3\xf0\x87\x0f", "xrelease lock xchg dword ptr [rdi], ecx");
TEST32("\xc6\x07\x12", "mov byte ptr [edi], 0x12");
TEST64("\xc6\x07\x12", "mov byte ptr [rdi], 0x12");
TEST32("\xf2\xc6\x07\x12", "mov byte ptr [edi], 0x12"); // no xacquire
TEST64("\xf2\xc6\x07\x12", "mov byte ptr [rdi], 0x12"); // no xacquire
TEST32("\xf3\xc6\x07\x12", "xrelease mov byte ptr [edi], 0x12");
TEST64("\xf3\xc6\x07\x12", "xrelease mov byte ptr [rdi], 0x12");
TEST32("\x66\xc7\x07\x34\x12", "mov word ptr [edi], 0x1234");
TEST64("\x66\xc7\x07\x34\x12", "mov word ptr [rdi], 0x1234");
TEST32("\x66\xf2\xc7\x07\x34\x12", "mov word ptr [edi], 0x1234"); // no xacquire
TEST64("\x66\xf2\xc7\x07\x34\x12", "mov word ptr [rdi], 0x1234"); // no xacquire
TEST32("\x66\xf3\xc7\x07\x34\x12", "xrelease mov word ptr [edi], 0x1234");
TEST64("\x66\xf3\xc7\x07\x34\x12", "xrelease mov word ptr [rdi], 0x1234");
TEST("\x66", "PARTIAL");
TEST("\xf0", "PARTIAL");
TEST("\x0f", "PARTIAL");