mod regspec; mod operand; mod display; use std::fmt::Write; use yaxpeax_arch::{AddressBase, Decoder, LengthedInstruction}; use yaxpeax_x86::protected_mode::InstDecoder; fn test_invalid(data: &[u8]) { test_invalid_under(&InstDecoder::default(), data); } fn test_invalid_under(decoder: &InstDecoder, data: &[u8]) { if let Ok(inst) = decoder.decode(data.into_iter().cloned()) { panic!("decoded {:?} from {:02x?} under decoder {}", inst.opcode(), data, decoder); } else { // this is fine } } fn test_display(data: &[u8], expected: &'static str) { test_display_under(&InstDecoder::default(), data, expected); } fn test_display_under(decoder: &InstDecoder, data: &[u8], expected: &'static str) { let mut hex = String::new(); for b in data { write!(hex, "{:02x}", b).unwrap(); } match decoder.decode(data.into_iter().map(|x| *x)) { Ok(instr) => { let text = format!("{}", instr); assert!( text == expected, "display error for {}:\n decoded: {:?} under decoder {}\n displayed: {}\n expected: {}\n", hex, instr, decoder, text, expected ); // while we're at it, test that the instruction is as long, and no longer, than its // input assert_eq!((0u32.wrapping_offset(instr.len()).to_linear()) as usize, data.len(), "instruction length is incorrect, wanted instruction {}", expected); }, Err(e) => { assert!(false, "decode error ({}) for {} under decoder {}:\n expected: {}\n", e, hex, decoder, expected); } } } #[test] fn test_modrm_decode() { // just modrm test_display(&[0x33, 0x08], "xor ecx, [eax]"); test_display(&[0x33, 0x20], "xor esp, [eax]"); test_display(&[0x33, 0x05, 0x78, 0x56, 0x34, 0x12], "xor eax, [0x12345678]"); test_display(&[0x33, 0x41, 0x23], "xor eax, [ecx + 0x23]"); test_display(&[0x33, 0x81, 0x23, 0x01, 0x65, 0x43], "xor eax, [ecx + 0x43650123]"); test_display(&[0x33, 0xc1], "xor eax, ecx"); // sib test_display(&[0x33, 0x04, 0x0a], "xor eax, [edx + ecx * 1]"); test_display(&[0x33, 0x04, 0x4a], "xor eax, [edx + ecx * 2]"); test_display(&[0x33, 0x04, 0x8a], "xor eax, [edx + ecx * 4]"); test_display(&[0x33, 0x04, 0xca], "xor eax, [edx + ecx * 8]"); test_display(&[0x33, 0x04, 0x20], "xor eax, [eax]"); test_display(&[0x33, 0x04, 0x60], "xor eax, [eax]"); test_display(&[0x33, 0x04, 0xa0], "xor eax, [eax]"); test_display(&[0x33, 0x04, 0xe0], "xor eax, [eax]"); test_display(&[0x33, 0x04, 0x25, 0x11, 0x22, 0x33, 0x44], "xor eax, [0x44332211]"); test_display(&[0x33, 0x44, 0x65, 0x11], "xor eax, [ebp + 0x11]"); test_display(&[0x33, 0x84, 0xa5, 0x11, 0x22, 0x33, 0x44], "xor eax, [ebp + 0x44332211]"); test_display(&[0x33, 0x04, 0xe5, 0x11, 0x22, 0x33, 0x44], "xor eax, [0x44332211]"); // specifically sib with base == 0b101 // mod bits 00 test_display(&[0x33, 0x34, 0x25, 0x20, 0x30, 0x40, 0x50], "xor esi, [0x50403020]"); // mod bits 01 test_display(&[0x33, 0x74, 0x25, 0x20], "xor esi, [ebp + 0x20]"); // mod bits 10 test_display(&[0x33, 0xb4, 0x25, 0x20, 0x30, 0x40, 0x50], "xor esi, [ebp + 0x50403020]"); } #[test] fn test_mmx() { test_display(&[0x0f, 0xf7, 0xc1], "maskmovq mm0, mm1"); test_invalid(&[0x0f, 0xf7, 0x01]); test_display(&[0x0f, 0xe7, 0x03], "movntq [ebx], mm0"); test_invalid(&[0x0f, 0xe7, 0xc3]); test_invalid(&[0x66, 0x0f, 0xc3, 0x03]); test_display(&[0x0f, 0xc3, 0x03], "movnti [ebx], eax"); test_invalid(&[0x0f, 0xc3, 0xc3]); test_display(&[0x0f, 0x7e, 0xcf], "movd edi, mm1"); test_display(&[0x0f, 0x7f, 0xcf], "movq mm7, mm1"); test_display(&[0x0f, 0x7f, 0x0f], "movq [edi], mm1"); test_display(&[0x0f, 0xc4, 0xc0, 0x14], "pinsrw mm0, eax, 0x14"); test_display(&[0x0f, 0xc4, 0x00, 0x14], "pinsrw mm0, [eax], 0x14"); test_display(&[0x0f, 0xd1, 0xcf], "psrlw mm1, mm7"); test_display(&[0x0f, 0xd1, 0x00], "psrlw mm0, [eax]"); test_invalid(&[0x0f, 0xd7, 0x00]); test_display(&[0x0f, 0xd7, 0xcf], "pmovmskb ecx, mm7"); test_display(&[0x0f, 0x3a, 0x0f, 0xc1, 0x23], "palignr mm0, mm1, 0x23"); test_display(&[0x0f, 0xf9, 0xc2], "psubw mm0, mm2"); test_display(&[0x0f, 0xfd, 0xd2], "paddw mm2, mm2"); test_display(&[0x0f, 0x6f, 0xe9], "movq mm5, mm1"); test_display(&[0x0f, 0xe5, 0x3d, 0xaa, 0xbb, 0xcc, 0x77], "pmulhw mm7, [0x77ccbbaa]"); test_display(&[0x0f, 0x38, 0x00, 0xda], "pshufb mm3, mm2"); test_display(&[0x0f, 0x74, 0xc2], "pcmpeqb mm0, mm2"); test_display(&[0x0f, 0x75, 0xc2], "pcmpeqw mm0, mm2"); test_display(&[0x0f, 0x76, 0xc2], "pcmpeqd mm0, mm2"); test_display(&[0x66, 0x0f, 0xc5, 0xd8, 0xff], "pextrw ebx, xmm0, 0xff"); test_invalid(&[0x66, 0x0f, 0xc5, 0x08, 0xff]); test_display(&[0x0f, 0xc5, 0xd1, 0x00], "pextrw edx, mm1, 0x0"); test_invalid(&[0x0f, 0xc5, 0x01, 0x00]); test_display(&[0x0f, 0xd8, 0xc2], "psubusb mm0, mm2"); test_display(&[0x0f, 0xd9, 0xc2], "psubusw mm0, mm2"); test_display(&[0x0f, 0xda, 0xc2], "pminub mm0, mm2"); test_display(&[0x0f, 0xdb, 0xc2], "pand mm0, mm2"); test_display(&[0x0f, 0xdc, 0xc2], "paddusb mm0, mm2"); test_display(&[0x0f, 0xdd, 0xc2], "paddusw mm0, mm2"); test_display(&[0x0f, 0xde, 0xc2], "pmaxub mm0, mm2"); test_display(&[0x0f, 0xdf, 0xc2], "pandn mm0, mm2"); test_display(&[0x0f, 0xe8, 0xc2], "psubsb mm0, mm2"); test_display(&[0x0f, 0xe9, 0xc2], "psubsw mm0, mm2"); test_display(&[0x0f, 0xea, 0xc2], "pminsw mm0, mm2"); test_display(&[0x0f, 0xeb, 0xc2], "por mm0, mm2"); test_display(&[0x0f, 0xec, 0xc2], "paddsb mm0, mm2"); test_display(&[0x0f, 0xed, 0xc2], "paddsw mm0, mm2"); test_display(&[0x0f, 0xee, 0xc2], "pmaxsw mm0, mm2"); test_display(&[0x0f, 0xef, 0xc2], "pxor mm0, mm2"); test_invalid(&[0x0f, 0xf0, 0xc2]); test_display(&[0x0f, 0xf1, 0xc2], "psllw mm0, mm2"); test_display(&[0x0f, 0xf2, 0xc2], "pslld mm0, mm2"); test_display(&[0x0f, 0xf3, 0xc2], "psllq mm0, mm2"); test_display(&[0x0f, 0xf4, 0xc2], "pmuludq mm0, mm2"); test_display(&[0x0f, 0xf5, 0xc2], "pmaddwd mm0, mm2"); test_display(&[0x0f, 0xf6, 0xc2], "psadbw mm0, mm2"); test_display(&[0x0f, 0xf8, 0xc2], "psubb mm0, mm2"); test_display(&[0x0f, 0xf9, 0xc2], "psubw mm0, mm2"); test_display(&[0x0f, 0xfa, 0xc2], "psubd mm0, mm2"); test_display(&[0x0f, 0xfb, 0xc2], "psubq mm0, mm2"); test_display(&[0x0f, 0xfc, 0xc2], "paddb mm0, mm2"); test_display(&[0x0f, 0xfd, 0xc2], "paddw mm0, mm2"); test_display(&[0x0f, 0xfe, 0xc2], "paddd mm0, mm2"); } #[test] fn test_cvt() { test_display(&[0x0f, 0x2c, 0xcf], "cvttps2pi mm1, xmm7"); test_display(&[0x0f, 0x2a, 0xcf], "cvtpi2ps xmm1, mm7"); test_display(&[0x0f, 0x2a, 0x00], "cvtpi2ps xmm0, [eax]"); test_display(&[0x66, 0x0f, 0x2a, 0x00], "cvtpi2pd xmm0, [eax]"); test_display(&[0x66, 0x0f, 0x2a, 0xcf], "cvtpi2pd xmm1, mm7"); test_display(&[0xf2, 0x0f, 0x2a, 0x00], "cvtsi2sd xmm0, [eax]"); test_display(&[0xf2, 0x0f, 0x2a, 0xcf], "cvtsi2sd xmm1, edi"); test_display(&[0xf3, 0x0f, 0x2a, 0x00], "cvtsi2ss xmm0, [eax]"); test_display(&[0xf3, 0x0f, 0x2a, 0xcf], "cvtsi2ss xmm1, edi"); } #[test] fn test_aesni() { fn test_instr(bytes: &[u8], text: &'static str) { test_display_under(&InstDecoder::minimal().with_aesni(), bytes, text); test_display_under(&InstDecoder::default(), bytes, text); test_invalid_under(&InstDecoder::minimal(), bytes); } test_instr(&[0x66, 0x0f, 0x38, 0xdb, 0x0f], "aesimc xmm1, [edi]"); test_instr(&[0x67, 0x66, 0x0f, 0x38, 0xdb, 0x0f], "aesimc xmm1, [bx]"); test_instr(&[0x66, 0x0f, 0x38, 0xdc, 0x0f], "aesenc xmm1, [edi]"); test_instr(&[0x67, 0x66, 0x0f, 0x38, 0xdc, 0x0f], "aesenc xmm1, [bx]"); test_instr(&[0x66, 0x0f, 0x38, 0xdd, 0x0f], "aesenclast xmm1, [edi]"); test_instr(&[0x67, 0x66, 0x0f, 0x38, 0xdd, 0x0f], "aesenclast xmm1, [bx]"); test_instr(&[0x66, 0x0f, 0x38, 0xde, 0x0f], "aesdec xmm1, [edi]"); test_instr(&[0x67, 0x66, 0x0f, 0x38, 0xde, 0x0f], "aesdec xmm1, [bx]"); test_instr(&[0x66, 0x0f, 0x38, 0xdf, 0x0f], "aesdeclast xmm1, [edi]"); test_instr(&[0x67, 0x66, 0x0f, 0x38, 0xdf, 0x0f], "aesdeclast xmm1, [bx]"); test_instr(&[0x66, 0x0f, 0x3a, 0xdf, 0x0f, 0xaa], "aeskeygenassist xmm1, [edi], 0xaa"); } #[test] fn test_sse2() { fn test_instr(bytes: &[u8], text: &'static str) { // sse and sse2 are part of amd64, so x86_64, meaning even the minimal decoder must support // them. test_display_under(&InstDecoder::minimal(), bytes, text); } test_instr(&[0xf2, 0x0f, 0x10, 0x0c, 0xc7], "movsd xmm1, [edi + eax * 8]"); test_instr(&[0xf2, 0x0f, 0x11, 0x0c, 0xc7], "movsd [edi + eax * 8], xmm1"); test_instr(&[0x66, 0x0f, 0x11, 0x0c, 0xc7], "movupd [edi + eax * 8], xmm1"); test_instr(&[0x66, 0x0f, 0x12, 0x03], "movlpd xmm0, [ebx]"); // reg-mem is movlpd test_instr(&[0x66, 0x0f, 0x13, 0x03], "movlpd [ebx], xmm0"); test_invalid(&[0x66, 0x0f, 0x13, 0xc3]); test_instr(&[0x66, 0x0f, 0x14, 0x03], "unpcklpd xmm0, [ebx]"); test_instr(&[0x66, 0x0f, 0x14, 0xc3], "unpcklpd xmm0, xmm3"); test_instr(&[0x66, 0x0f, 0x15, 0x03], "unpckhpd xmm0, [ebx]"); test_instr(&[0x66, 0x0f, 0x15, 0xc3], "unpckhpd xmm0, xmm3"); test_instr(&[0x66, 0x0f, 0x16, 0x03], "movhpd xmm0, [ebx]"); test_invalid(&[0x66, 0x0f, 0x16, 0xc3]); test_instr(&[0x66, 0x0f, 0x17, 0x03], "movhpd [ebx], xmm0"); test_invalid(&[0x66, 0x0f, 0x17, 0xc3]); test_instr(&[0x66, 0x0f, 0x28, 0xd0], "movapd xmm2, xmm0"); test_instr(&[0x66, 0x0f, 0x28, 0x00], "movapd xmm0, [eax]"); test_instr(&[0x66, 0x0f, 0x2a, 0xcf], "cvtpi2pd xmm1, mm7"); test_instr(&[0x66, 0x0f, 0x2a, 0x0f], "cvtpi2pd xmm1, [edi]"); test_instr(&[0xf2, 0x0f, 0x2a, 0xcf], "cvtsi2sd xmm1, edi"); test_instr(&[0xf2, 0x0f, 0x2a, 0x0f], "cvtsi2sd xmm1, [edi]"); test_instr(&[0x66, 0x0f, 0x2b, 0x0f], "movntpd [edi], xmm1"); test_instr(&[0x66, 0x0f, 0x2c, 0xcf], "cvttpd2pi mm1, xmm7"); test_instr(&[0x66, 0x0f, 0x2c, 0x0f], "cvttpd2pi mm1, [edi]"); test_instr(&[0xf2, 0x0f, 0x2c, 0xcf], "cvttsd2si xmm1, xmm7"); test_instr(&[0xf2, 0x0f, 0x2c, 0x0f], "cvttsd2si xmm1, [edi]"); test_instr(&[0x66, 0x0f, 0x2d, 0xcf], "cvtpd2pi mm1, xmm7"); test_instr(&[0x66, 0x0f, 0x2d, 0x0f], "cvtpd2pi mm1, [edi]"); test_instr(&[0xf2, 0x0f, 0x2d, 0xcf], "cvtsd2si xmm1, xmm7"); test_instr(&[0xf2, 0x0f, 0x2d, 0x0f], "cvtsd2si xmm1, [edi]"); test_instr(&[0x66, 0x0f, 0x2e, 0xcf], "ucomisd xmm1, xmm7"); test_instr(&[0x66, 0x0f, 0x2e, 0x0f], "ucomisd xmm1, [edi]"); test_instr(&[0x66, 0x0f, 0x2f, 0xcf], "comisd xmm1, xmm7"); test_instr(&[0x66, 0x0f, 0x2f, 0x0f], "comisd xmm1, [edi]"); /* * .... 660f38 * .... 660f7f */ test_invalid(&[0x66, 0x0f, 0x50, 0x01]); test_instr(&[0x66, 0x0f, 0x50, 0xc1], "movmskpd eax, xmm1"); test_instr(&[0x66, 0x0f, 0x51, 0x01], "sqrtpd xmm0, [ecx]"); test_instr(&[0xf2, 0x0f, 0x51, 0x01], "sqrtsd xmm0, [ecx]"); test_invalid(&[0x66, 0x0f, 0x52, 0x01]); test_invalid(&[0x66, 0x0f, 0x53, 0x01]); test_instr(&[0x66, 0x0f, 0x54, 0x01], "andpd xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0x55, 0x01], "andnpd xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0x56, 0x01], "orpd xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0x57, 0x01], "xorpd xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0x58, 0x01], "addpd xmm0, [ecx]"); test_instr(&[0xf2, 0x0f, 0x58, 0x01], "addsd xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0x59, 0x01], "mulpd xmm0, [ecx]"); test_instr(&[0xf2, 0x0f, 0x59, 0x01], "mulsd xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0x5a, 0x01], "cvtpd2ps xmm0, [ecx]"); test_instr(&[0xf2, 0x0f, 0x5a, 0x01], "cvtsd2ss xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0x5b, 0x01], "cvtps2dq xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0x5c, 0x01], "subpd xmm0, [ecx]"); test_instr(&[0xf2, 0x0f, 0x5c, 0x01], "subsd xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0x5d, 0x01], "minpd xmm0, [ecx]"); test_instr(&[0xf2, 0x0f, 0x5d, 0x01], "minsd xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0x5e, 0x01], "divpd xmm0, [ecx]"); test_instr(&[0xf2, 0x0f, 0x5e, 0x01], "divsd xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0x5f, 0x01], "maxpd xmm0, [ecx]"); test_instr(&[0xf2, 0x0f, 0x5f, 0x01], "maxsd xmm0, [ecx]"); test_instr( &[0x66, 0x0f, 0x60, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc], "punpcklbw xmm3, [esp + ebx * 4 - 0x334455cc]" ); test_instr( &[0x66, 0x0f, 0x61, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc], "punpcklwd xmm3, [esp + ebx * 4 - 0x334455cc]" ); test_instr( &[0x66, 0x0f, 0x62, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc], "punpckldq xmm3, [esp + ebx * 4 - 0x334455cc]" ); test_instr( &[0x66, 0x0f, 0x63, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc], "packsswb xmm3, [esp + ebx * 4 - 0x334455cc]" ); test_instr( &[0x66, 0x0f, 0x64, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc], "pcmpgtb xmm3, [esp + ebx * 4 - 0x334455cc]" ); test_instr( &[0x66, 0x0f, 0x65, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc], "pcmpgtw xmm3, [esp + ebx * 4 - 0x334455cc]" ); test_instr( &[0x66, 0x0f, 0x66, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc], "pcmpgtd xmm3, [esp + ebx * 4 - 0x334455cc]" ); test_instr( &[0x66, 0x0f, 0x67, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc], "packuswb xmm3, [esp + ebx * 4 - 0x334455cc]" ); test_instr( &[0x66, 0x0f, 0x68, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc], "punpckhbw xmm3, [esp + ebx * 4 - 0x334455cc]" ); test_instr( &[0x66, 0x0f, 0x69, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc], "punpckhwd xmm3, [esp + ebx * 4 - 0x334455cc]" ); test_instr( &[0x66, 0x0f, 0x6a, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc], "punpckhdq xmm3, [esp + ebx * 4 - 0x334455cc]" ); test_instr( &[0x66, 0x0f, 0x6b, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc], "packssdw xmm3, [esp + ebx * 4 - 0x334455cc]" ); test_instr( &[0x66, 0x0f, 0x6c, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc], "punpcklqdq xmm3, [esp + ebx * 4 - 0x334455cc]" ); test_instr( &[0x66, 0x0f, 0x6d, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc], "punpckhqdq xmm3, [esp + ebx * 4 - 0x334455cc]" ); // TODO: this needs to be clear that the operand is `dword` test_instr( &[0x66, 0x0f, 0x6e, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc], "movd xmm3, [esp + ebx * 4 - 0x334455cc]" ); test_instr( &[0x66, 0x0f, 0x6f, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc], "movdqa xmm3, [esp + ebx * 4 - 0x334455cc]" ); test_instr(&[0x66, 0x0f, 0x6e, 0xc0], "movd xmm0, eax"); test_instr(&[0x66, 0x0f, 0x70, 0xc0, 0x4e], "pshufd xmm0, xmm0, 0x4e"); test_instr(&[0xf2, 0x0f, 0x70, 0xc0, 0x4e], "pshuflw xmm0, xmm0, 0x4e"); test_instr(&[0xf3, 0x0f, 0x70, 0xc0, 0x4e], "pshufhw xmm0, xmm0, 0x4e"); test_invalid(&[0x66, 0x0f, 0x71, 0x10, 0x8f]); test_instr(&[0x66, 0x0f, 0x71, 0xd0, 0x8f], "psrlw xmm0, 0x8f"); test_invalid(&[0x66, 0x0f, 0x71, 0x20, 0x8f]); test_instr(&[0x66, 0x0f, 0x71, 0xe0, 0x8f], "psraw xmm0, 0x8f"); test_invalid(&[0x66, 0x0f, 0x71, 0x30, 0x8f]); test_instr(&[0x66, 0x0f, 0x71, 0xf0, 0x8f], "psllw xmm0, 0x8f"); test_invalid(&[0x66, 0x0f, 0x72, 0x10, 0x8f]); test_instr(&[0x66, 0x0f, 0x72, 0xd0, 0x8f], "psrld xmm0, 0x8f"); test_invalid(&[0x66, 0x0f, 0x72, 0x20, 0x8f]); test_instr(&[0x66, 0x0f, 0x72, 0xe0, 0x8f], "psrad xmm0, 0x8f"); test_invalid(&[0x66, 0x0f, 0x72, 0x30, 0x8f]); test_instr(&[0x66, 0x0f, 0x72, 0xf0, 0x8f], "pslld xmm0, 0x8f"); test_invalid(&[0x66, 0x0f, 0x73, 0x10, 0x8f]); test_invalid(&[0x66, 0x0f, 0x73, 0x18, 0x8f]); test_instr(&[0x66, 0x0f, 0x73, 0xd0, 0x8f], "psrlq xmm0, 0x8f"); test_instr(&[0x66, 0x0f, 0x73, 0xd8, 0x8f], "psrldq xmm0, 0x8f"); test_invalid(&[0x66, 0x0f, 0x73, 0x30, 0x8f]); test_invalid(&[0x66, 0x0f, 0x73, 0x38, 0x8f]); test_instr(&[0x66, 0x0f, 0x73, 0xf0, 0x8f], "psllq xmm0, 0x8f"); test_instr(&[0x66, 0x0f, 0x73, 0xf8, 0x8f], "pslldq xmm0, 0x8f"); test_instr(&[0x66, 0x0f, 0x7e, 0xc1], "movd ecx, xmm0"); test_instr(&[0x66, 0x0f, 0x7e, 0x01], "movd [ecx], xmm0"); test_instr( &[0x66, 0x0f, 0x7f, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc], "movdqa [esp + ebx * 4 - 0x334455cc], xmm3" ); test_instr(&[0x66, 0x0f, 0xc2, 0xc3, 0x08], "cmppd xmm0, xmm3, 0x8"); test_instr(&[0x66, 0x0f, 0xc2, 0x03, 0x08], "cmppd xmm0, [ebx], 0x8"); test_instr(&[0xf2, 0x0f, 0xc2, 0xc3, 0x08], "cmpsd xmm0, xmm3, 0x8"); test_instr(&[0xf2, 0x0f, 0xc2, 0x03, 0x08], "cmpsd xmm0, [ebx], 0x8"); test_instr(&[0x66, 0x0f, 0xc4, 0xc3, 0x08], "pinsrw xmm0, ebx, 0x8"); test_instr(&[0x66, 0x0f, 0xc4, 0x03, 0x08], "pinsrw xmm0, [ebx], 0x8"); // test_instr(&[0x66, 0x0f, 0xc5, 0xc3, 0x08], "pextrw eax, xmm3, 0x8"); // test_instr_invalid(&[0x66, 0x0f, 0xc5, 0x03, 0x08]); // test_instr_invalid(&[0x66, 0x0f, 0xc5, 0x40, 0x08]); // test_instr_invalid(&[0x66, 0x0f, 0xc5, 0x80, 0x08]); test_instr(&[0x66, 0x0f, 0xc6, 0x03, 0x08], "shufpd xmm0, [ebx], 0x8"); test_instr(&[0x66, 0x0f, 0xc6, 0xc3, 0x08], "shufpd xmm0, xmm3, 0x8"); test_instr(&[0x66, 0x0f, 0xd1, 0xc1], "psrlw xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xd1, 0x01], "psrlw xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xd2, 0xc1], "psrld xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xd2, 0x01], "psrld xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xd3, 0xc1], "psrlq xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xd3, 0x01], "psrlq xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xd4, 0xc1], "paddq xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xd4, 0x01], "paddq xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xd5, 0xc1], "pmullw xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xd5, 0x01], "pmullw xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xd6, 0xc1], "movq xmm1, xmm0"); test_instr(&[0x66, 0x0f, 0xd6, 0x01], "movq [ecx], xmm0"); test_invalid(&[0xf3, 0x0f, 0xd6, 0x03]); test_instr(&[0xf3, 0x0f, 0xd6, 0xc3], "movq2dq xmm0, mm3"); test_instr(&[0xf2, 0x0f, 0xd6, 0xc3], "movdq2q mm0, xmm3"); test_instr(&[0x66, 0x0f, 0xd7, 0xc1], "pmovmskb eax, xmm1"); test_invalid(&[0x66, 0x0f, 0xd7, 0x01]); test_instr(&[0x66, 0x0f, 0xd8, 0xc1], "psubusb xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xd8, 0x01], "psubusb xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xd9, 0xc1], "psubusw xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xd9, 0x01], "psubusw xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xda, 0xc1], "pminub xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xda, 0x01], "pminub xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xdb, 0xc1], "pand xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xdb, 0x01], "pand xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xdc, 0xc1], "paddusb xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xdc, 0x01], "paddusb xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xdd, 0xc1], "paddusw xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xdd, 0x01], "paddusw xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xde, 0xc1], "pmaxub xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xde, 0x01], "pmaxub xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xdf, 0xc1], "pandn xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xdf, 0x01], "pandn xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xe0, 0xc1], "pavgb xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xe0, 0x01], "pavgb xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xe1, 0xc1], "psraw xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xe1, 0x01], "psraw xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xe2, 0xc1], "psrad xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xe2, 0x01], "psrad xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xe3, 0xc1], "pavgw xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xe3, 0x01], "pavgw xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xe4, 0xc1], "pmulhuw xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xe4, 0x01], "pmulhuw xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xe5, 0xc1], "pmulhw xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xe5, 0x01], "pmulhw xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xe6, 0xc1], "cvttpd2dq xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xe6, 0x01], "cvttpd2dq xmm0, [ecx]"); test_invalid(&[0x66, 0x0f, 0xe7, 0xc1]); test_instr(&[0x66, 0x0f, 0xe7, 0x01], "movntdq [ecx], xmm0"); test_instr(&[0x66, 0x0f, 0xe8, 0xc1], "psubsb xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xe8, 0x01], "psubsb xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xe9, 0xc1], "psubsw xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xe9, 0x01], "psubsw xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xea, 0xc1], "pminsw xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xea, 0x01], "pminsw xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xeb, 0xc3], "por xmm0, xmm3"); test_instr(&[0x66, 0x0f, 0xeb, 0xc4], "por xmm0, xmm4"); test_instr(&[0x66, 0x0f, 0xeb, 0xd3], "por xmm2, xmm3"); test_instr(&[0x66, 0x0f, 0xeb, 0x12], "por xmm2, [edx]"); test_instr(&[0x66, 0x0f, 0xeb, 0xc1], "por xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xeb, 0x01], "por xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xec, 0xc1], "paddsb xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xec, 0x01], "paddsb xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xed, 0xc1], "paddsw xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xed, 0x01], "paddsw xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xee, 0xc1], "pmaxsw xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xee, 0x01], "pmaxsw xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xef, 0xc1], "pxor xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xef, 0x01], "pxor xmm0, [ecx]"); test_invalid(&[0x66, 0x0f, 0xf0, 0xc1]); test_invalid(&[0x66, 0x0f, 0xf0, 0x01]); test_instr(&[0x66, 0x0f, 0xf1, 0xc1], "psllw xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xf1, 0x01], "psllw xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xf2, 0xc1], "pslld xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xf2, 0x01], "pslld xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xf3, 0xc1], "psllq xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xf3, 0x01], "psllq xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xf4, 0xc1], "pmuludq xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xf4, 0x01], "pmuludq xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xf5, 0xc1], "pmaddwd xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xf5, 0x01], "pmaddwd xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xf6, 0xc1], "psadbw xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xf6, 0x01], "psadbw xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xf7, 0xc1], "maskmovdqu xmm0, xmm1"); test_invalid(&[0x66, 0x0f, 0xf7, 0x01]); test_instr(&[0x66, 0x0f, 0xf8, 0xc1], "psubb xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xf8, 0x01], "psubb xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xf9, 0xc1], "psubw xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xf9, 0x01], "psubw xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xfa, 0xc1], "psubd xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xfa, 0x01], "psubd xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xfb, 0xc1], "psubq xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xfb, 0x01], "psubq xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xfc, 0xc1], "paddb xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xfc, 0x01], "paddb xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xfd, 0xc1], "paddw xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xfd, 0x01], "paddw xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xfe, 0xc1], "paddd xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0xfe, 0x01], "paddd xmm0, [ecx]"); test_instr(&[0x66, 0x0f, 0xff, 0xc1], "ud0 eax, ecx"); test_instr(&[0xf2, 0x0f, 0xff, 0xc1], "ud0 eax, ecx"); test_instr(&[0xf3, 0x0f, 0xff, 0xc1], "ud0 eax, ecx"); test_instr(&[0x66, 0x0f, 0xff, 0x01], "ud0 eax, [ecx]"); test_instr(&[0x66, 0x0f, 0x74, 0xc1], "pcmpeqb xmm0, xmm1"); test_instr(&[0x66, 0x0f, 0x74, 0x12], "pcmpeqb xmm2, [edx]"); test_instr(&[0x66, 0x0f, 0xf8, 0xc8], "psubb xmm1, xmm0"); test_instr(&[0x66, 0x0f, 0xf8, 0xd0], "psubb xmm2, xmm0"); test_instr(&[0x66, 0x0f, 0xf8, 0x12], "psubb xmm2, [edx]"); } #[test] fn test_sse3() { fn test_instr(bytes: &[u8], text: &'static str) { test_display_under(&InstDecoder::minimal().with_sse3(), bytes, text); test_invalid_under(&InstDecoder::minimal(), bytes); // avx doesn't imply older instructions are necessarily valid test_invalid_under(&InstDecoder::minimal().with_avx(), bytes); // sse4 doesn't imply older instructions are necessarily valid test_invalid_under(&InstDecoder::minimal().with_sse4_1(), bytes); test_invalid_under(&InstDecoder::minimal().with_sse4_2(), bytes); } fn test_instr_invalid(bytes: &[u8]) { test_invalid_under(&InstDecoder::minimal().with_sse3(), bytes); test_invalid_under(&InstDecoder::default(), bytes); } test_instr(&[0xf2, 0x0f, 0xf0, 0x0f], "lddqu xmm1, [edi]"); test_instr_invalid(&[0xf2, 0x0f, 0xf0, 0xcf]); test_instr(&[0xf2, 0x0f, 0xd0, 0x0f], "addsubps xmm1, [edi]"); test_instr(&[0xf2, 0x0f, 0xd0, 0xcf], "addsubps xmm1, xmm7"); test_invalid(&[0xf3, 0x0f, 0xd0, 0x0f]); test_instr(&[0x66, 0x0f, 0xd0, 0x0f], "addsubpd xmm1, [edi]"); test_instr(&[0x66, 0x0f, 0xd0, 0xcf], "addsubpd xmm1, xmm7"); test_instr(&[0xf2, 0x0f, 0x7c, 0x0f], "haddps xmm1, [edi]"); test_instr(&[0xf2, 0x0f, 0x7c, 0xcf], "haddps xmm1, xmm7"); test_instr(&[0x66, 0x0f, 0x7c, 0x0f], "haddpd xmm1, [edi]"); test_instr(&[0x66, 0x0f, 0x7c, 0xcf], "haddpd xmm1, xmm7"); test_instr(&[0xf2, 0x0f, 0x7d, 0x0f], "hsubps xmm1, [edi]"); test_instr(&[0xf2, 0x0f, 0x7d, 0xcf], "hsubps xmm1, xmm7"); test_instr(&[0x66, 0x0f, 0x7d, 0x0f], "hsubpd xmm1, [edi]"); test_instr(&[0x66, 0x0f, 0x7d, 0xcf], "hsubpd xmm1, xmm7"); test_instr(&[0xf3, 0x0f, 0x12, 0x0f], "movsldup xmm1, [edi]"); test_instr(&[0xf3, 0x0f, 0x12, 0xcf], "movsldup xmm1, xmm7"); test_instr(&[0xf3, 0x0f, 0x16, 0x0f], "movshdup xmm1, [edi]"); test_instr(&[0xf3, 0x0f, 0x16, 0xcf], "movshdup xmm1, xmm7"); test_instr(&[0xf2, 0x0f, 0x12, 0x0f], "movddup xmm1, [edi]"); test_instr(&[0xf2, 0x0f, 0x12, 0xcf], "movddup xmm1, xmm7"); test_instr(&[0x0f, 0x01, 0xc8], "monitor"); test_invalid(&[0x66, 0x0f, 0x01, 0xc8]); test_invalid(&[0xf3, 0x0f, 0x01, 0xc8]); test_invalid(&[0xf2, 0x0f, 0x01, 0xc8]); test_instr(&[0x0f, 0x01, 0xc9], "mwait"); test_invalid(&[0x66, 0x0f, 0x01, 0xc9]); test_invalid(&[0xf2, 0x0f, 0x01, 0xc9]); test_invalid(&[0xf3, 0x0f, 0x01, 0xc9]); } #[test] fn test_sse4_2() { fn test_instr(bytes: &[u8], text: &'static str) { test_display_under(&InstDecoder::minimal().with_sse4_2(), bytes, text); test_invalid_under(&InstDecoder::minimal(), bytes); // avx doesn't imply older instructions are necessarily valid test_invalid_under(&InstDecoder::minimal().with_avx(), bytes); } #[allow(unused)] fn test_instr_invalid(bytes: &[u8]) { test_invalid_under(&InstDecoder::minimal().with_sse4_2(), bytes); test_invalid_under(&InstDecoder::default(), bytes); } test_instr(&[0x66, 0x0f, 0x38, 0x37, 0x03], "pcmpgtq xmm0, [ebx]"); test_instr(&[0x66, 0x0f, 0x38, 0x37, 0xc3], "pcmpgtq xmm0, xmm3"); test_instr(&[0xf2, 0x0f, 0x38, 0xf0, 0x06], "crc32 eax, [esi]"); test_instr(&[0xf2, 0x0f, 0x38, 0xf0, 0xc6], "crc32 eax, dh"); test_instr(&[0xf2, 0x0f, 0x38, 0xf1, 0x06], "crc32 eax, [esi]"); test_instr(&[0xf2, 0x0f, 0x38, 0xf1, 0xc6], "crc32 eax, esi"); test_instr(&[0x66, 0xf2, 0x0f, 0x38, 0xf1, 0xc6], "crc32 eax, si"); test_instr(&[0x66, 0x0f, 0x3a, 0x60, 0xc6, 0x54], "pcmpestrm xmm0, xmm6, 0x54"); test_instr(&[0x66, 0x0f, 0x3a, 0x60, 0x06, 0x54], "pcmpestrm xmm0, [esi], 0x54"); test_instr(&[0x66, 0x0f, 0x3a, 0x61, 0xc6, 0x54], "pcmpestri xmm0, xmm6, 0x54"); test_instr(&[0x66, 0x0f, 0x3a, 0x61, 0x06, 0x54], "pcmpestri xmm0, [esi], 0x54"); test_instr(&[0x66, 0x0f, 0x3a, 0x62, 0xc6, 0x54], "pcmpistrm xmm0, xmm6, 0x54"); test_instr(&[0x66, 0x0f, 0x3a, 0x62, 0x06, 0x54], "pcmpistrm xmm0, [esi], 0x54"); test_instr(&[0x66, 0x0f, 0x3a, 0x63, 0xc6, 0x54], "pcmpistri xmm0, xmm6, 0x54"); test_instr(&[0x66, 0x0f, 0x3a, 0x63, 0x06, 0x54], "pcmpistri xmm0, [esi], 0x54"); } #[test] fn test_sse4_1() { fn test_instr(bytes: &[u8], text: &'static str) { test_display_under(&InstDecoder::minimal().with_sse4_1(), bytes, text); test_invalid_under(&InstDecoder::minimal(), bytes); // avx doesn't imply older instructions are necessarily valid test_invalid_under(&InstDecoder::minimal().with_avx(), bytes); // sse4_2 doesn't imply older instructions are necessarily valid test_invalid_under(&InstDecoder::minimal().with_sse4_2(), bytes); } #[allow(unused)] fn test_instr_invalid(bytes: &[u8]) { test_invalid_under(&InstDecoder::minimal().with_sse4_1(), bytes); test_invalid_under(&InstDecoder::default(), bytes); } test_instr(&[0x66, 0x0f, 0x3a, 0x0c, 0x11, 0x22], "blendps xmm2, [ecx], 0x22"); test_instr(&[0x66, 0x0f, 0x3a, 0x0c, 0xc1, 0x22], "blendps xmm0, xmm1, 0x22"); test_instr(&[0x66, 0x0f, 0x3a, 0x0d, 0x11, 0x22], "blendpd xmm2, [ecx], 0x22"); test_instr(&[0x66, 0x0f, 0x3a, 0x0d, 0xc1, 0x22], "blendpd xmm0, xmm1, 0x22"); test_instr(&[0x66, 0x0f, 0x38, 0x10, 0x06], "pblendvb xmm0, [esi]"); test_invalid(&[0x0f, 0x38, 0x10, 0x06]); test_instr(&[0x66, 0x0f, 0x38, 0x14, 0x06], "blendvps xmm0, [esi]"); test_invalid(&[0x0f, 0x38, 0x14, 0x06]); test_instr(&[0x66, 0x0f, 0x38, 0x15, 0x06], "blendvpd xmm0, [esi]"); test_invalid(&[0x0f, 0x38, 0x15, 0x06]); test_instr(&[0x66, 0x0f, 0x38, 0x17, 0x06], "ptest xmm0, [esi]"); test_invalid(&[0x0f, 0x38, 0x17, 0x06]); test_instr(&[0x66, 0x0f, 0x38, 0x20, 0x06], "pmovsxbw xmm0, [esi]"); test_invalid(&[0x0f, 0x38, 0x20, 0x06]); test_instr(&[0x66, 0x0f, 0x38, 0x21, 0x06], "pmovsxbd xmm0, [esi]"); test_invalid(&[0x0f, 0x38, 0x21, 0x06]); test_instr(&[0x66, 0x0f, 0x38, 0x22, 0x06], "pmovsxbq xmm0, [esi]"); test_invalid(&[0x0f, 0x38, 0x22, 0x06]); test_instr(&[0x66, 0x0f, 0x38, 0x23, 0x06], "pmovsxwd xmm0, [esi]"); test_invalid(&[0x0f, 0x38, 0x23, 0x06]); test_instr(&[0x66, 0x0f, 0x38, 0x24, 0x06], "pmovsxwq xmm0, [esi]"); test_invalid(&[0x0f, 0x38, 0x24, 0x06]); test_instr(&[0x66, 0x0f, 0x38, 0x25, 0x06], "pmovsxdq xmm0, [esi]"); test_invalid(&[0x0f, 0x38, 0x25, 0x06]); test_instr(&[0x66, 0x0f, 0x38, 0x28, 0x06], "pmuldq xmm0, [esi]"); test_invalid(&[0x0f, 0x38, 0x28, 0x06]); test_instr(&[0x66, 0x0f, 0x38, 0x29, 0x06], "pcmpeqq xmm0, [esi]"); test_invalid(&[0x0f, 0x38, 0x29, 0x06]); test_instr(&[0x66, 0x0f, 0x38, 0x2a, 0x06], "movntdqa xmm0, [esi]"); test_invalid(&[0x66, 0x0f, 0x38, 0x2a, 0xc6]); test_invalid(&[0x0f, 0x38, 0x2a, 0x06]); test_instr(&[0x66, 0x0f, 0x38, 0x2b, 0x06], "packusdw xmm0, [esi]"); test_invalid(&[0x0f, 0x38, 0x2b, 0x06]); test_instr(&[0x66, 0x0f, 0x38, 0x30, 0x06], "pmovzxbw xmm0, [esi]"); test_invalid(&[0x0f, 0x38, 0x30, 0x06]); test_instr(&[0x66, 0x0f, 0x38, 0x31, 0x06], "pmovzxbd xmm0, [esi]"); test_invalid(&[0x0f, 0x38, 0x31, 0x06]); test_instr(&[0x66, 0x0f, 0x38, 0x32, 0x06], "pmovzxbq xmm0, [esi]"); test_invalid(&[0x0f, 0x38, 0x32, 0x06]); test_instr(&[0x66, 0x0f, 0x38, 0x33, 0x06], "pmovzxwd xmm0, [esi]"); test_invalid(&[0x0f, 0x38, 0x33, 0x06]); test_instr(&[0x66, 0x0f, 0x38, 0x34, 0x06], "pmovzxwq xmm0, [esi]"); test_invalid(&[0x0f, 0x38, 0x34, 0x06]); test_instr(&[0x66, 0x0f, 0x38, 0x35, 0x06], "pmovzxdq xmm0, [esi]"); test_invalid(&[0x0f, 0x38, 0x35, 0x06]); test_instr(&[0x66, 0x0f, 0x38, 0x38, 0x06], "pminsb xmm0, [esi]"); test_invalid(&[0x0f, 0x38, 0x38, 0x06]); test_instr(&[0x66, 0x0f, 0x38, 0x39, 0x06], "pminsd xmm0, [esi]"); test_invalid(&[0x0f, 0x38, 0x39, 0x06]); test_instr(&[0x66, 0x0f, 0x38, 0x3a, 0x06], "pminuw xmm0, [esi]"); test_invalid(&[0x0f, 0x38, 0x3a, 0x06]); test_instr(&[0x66, 0x0f, 0x38, 0x3b, 0x06], "pminud xmm0, [esi]"); test_invalid(&[0x0f, 0x38, 0x3b, 0x06]); test_instr(&[0x66, 0x0f, 0x38, 0x3c, 0x06], "pmaxsb xmm0, [esi]"); test_invalid(&[0x0f, 0x38, 0x3c, 0x06]); test_instr(&[0x66, 0x0f, 0x38, 0x3d, 0x06], "pmaxsd xmm0, [esi]"); test_invalid(&[0x0f, 0x38, 0x3d, 0x06]); test_instr(&[0x66, 0x0f, 0x38, 0x3e, 0x06], "pmaxuw xmm0, [esi]"); test_invalid(&[0x0f, 0x38, 0x3e, 0x06]); test_instr(&[0x66, 0x0f, 0x38, 0x3f, 0x06], "pmaxud xmm0, [esi]"); test_invalid(&[0x0f, 0x38, 0x3f, 0x06]); test_instr(&[0x66, 0x0f, 0x38, 0x40, 0x06], "pmulld xmm0, [esi]"); test_invalid(&[0x0f, 0x38, 0x40, 0x06]); test_instr(&[0x66, 0x0f, 0x38, 0x41, 0x06], "phminposuw xmm0, [esi]"); test_invalid(&[0x0f, 0x38, 0x41, 0x06]); test_instr(&[0x66, 0x0f, 0x3a, 0x08, 0x06, 0x31], "roundps xmm0, [esi], 0x31"); test_invalid(&[0x0f, 0x3a, 0x08, 0x06]); test_instr(&[0x66, 0x0f, 0x3a, 0x09, 0x06, 0x31], "roundpd xmm0, [esi], 0x31"); test_invalid(&[0x0f, 0x3a, 0x09, 0x06]); test_instr(&[0x66, 0x0f, 0x3a, 0x0a, 0x06, 0x31], "roundss xmm0, [esi], 0x31"); test_invalid(&[0x0f, 0x3a, 0x0a, 0x06]); test_instr(&[0x66, 0x0f, 0x3a, 0x0b, 0x06, 0x31], "roundsd xmm0, [esi], 0x31"); test_invalid(&[0x0f, 0x3a, 0x0b, 0x06]); test_instr(&[0x66, 0x0f, 0x3a, 0x0e, 0x06, 0x31], "pblendw xmm0, [esi], 0x31"); test_invalid(&[0x0f, 0x3a, 0x0e, 0x06]); test_instr(&[0x66, 0x0f, 0x3a, 0x14, 0x06, 0x31], "pextrb xmm0, [esi], 0x31"); test_invalid(&[0x0f, 0x3a, 0x14, 0x06]); test_instr(&[0x66, 0x0f, 0x3a, 0x15, 0x06, 0x31], "pextrw xmm0, [esi], 0x31"); test_invalid(&[0x0f, 0x3a, 0x15, 0x06]); test_instr(&[0x66, 0x0f, 0x3a, 0x16, 0x06, 0x31], "pextrd xmm0, [esi], 0x31"); test_invalid(&[0x0f, 0x3a, 0x16, 0x06]); test_instr(&[0x66, 0x0f, 0x3a, 0x17, 0x06, 0x31], "extractps xmm0, [esi], 0x31"); test_invalid(&[0x0f, 0x3a, 0x17, 0x06]); test_instr(&[0x66, 0x0f, 0x3a, 0x20, 0x06, 0x31], "pinsrb xmm0, [esi], 0x31"); test_invalid(&[0x0f, 0x3a, 0x20, 0x06]); test_instr(&[0x66, 0x0f, 0x3a, 0x21, 0x06, 0x31], "insertps xmm0, [esi], 0x31"); test_invalid(&[0x0f, 0x3a, 0x21, 0x06]); test_instr(&[0x66, 0x0f, 0x3a, 0x22, 0x06, 0x31], "pinsrd xmm0, [esi], 0x31"); test_invalid(&[0x0f, 0x3a, 0x22, 0x06]); test_instr(&[0x66, 0x0f, 0x3a, 0x40, 0x06, 0x31], "dpps xmm0, [esi], 0x31"); test_invalid(&[0x0f, 0x3a, 0x40, 0x06]); test_instr(&[0x66, 0x0f, 0x3a, 0x41, 0x06, 0x31], "dppd xmm0, [esi], 0x31"); test_invalid(&[0x0f, 0x3a, 0x41, 0x06]); test_instr(&[0x66, 0x0f, 0x3a, 0x42, 0x06, 0x44], "mpsadbw xmm0, [esi], 0x44"); test_invalid(&[0x0f, 0x3a, 0x42, 0x06]); } #[test] fn test_ssse3() { fn test_instr(bytes: &[u8], text: &'static str) { test_display_under(&InstDecoder::minimal().with_ssse3(), bytes, text); test_invalid_under(&InstDecoder::minimal(), bytes); // avx doesn't imply older instructions are necessarily valid test_invalid_under(&InstDecoder::minimal().with_avx(), bytes); // sse4 doesn't imply older instructions are necessarily valid test_invalid_under(&InstDecoder::minimal().with_sse4_1(), bytes); test_invalid_under(&InstDecoder::minimal().with_sse4_2(), bytes); } #[allow(unused)] fn test_instr_invalid(bytes: &[u8]) { test_invalid_under(&InstDecoder::minimal().with_ssse3(), bytes); test_invalid_under(&InstDecoder::default(), bytes); } test_instr(&[0x66, 0x0f, 0x38, 0x00, 0xda], "pshufb xmm3, xmm2"); test_instr(&[0x66, 0x0f, 0x38, 0x00, 0x06], "pshufb xmm0, [esi]"); test_instr(&[0x0f, 0x38, 0x00, 0x06], "pshufb mm0, [esi]"); test_instr(&[0x66, 0x0f, 0x38, 0x01, 0x06], "phaddw xmm0, [esi]"); test_instr(&[0x0f, 0x38, 0x01, 0x06], "phaddw mm0, [esi]"); test_instr(&[0x66, 0x0f, 0x38, 0x02, 0x06], "phaddd xmm0, [esi]"); test_instr(&[0x0f, 0x38, 0x02, 0x06], "phaddd mm0, [esi]"); test_instr(&[0x66, 0x0f, 0x38, 0x03, 0x06], "phaddsw xmm0, [esi]"); test_instr(&[0x0f, 0x38, 0x03, 0x06], "phaddsw mm0, [esi]"); test_instr(&[0x66, 0x0f, 0x38, 0x04, 0x06], "pmaddubsw xmm0, [esi]"); test_instr(&[0x0f, 0x38, 0x04, 0x06], "pmaddubsw mm0, [esi]"); test_instr(&[0x66, 0x0f, 0x38, 0x05, 0x06], "phsubw xmm0, [esi]"); test_instr(&[0x0f, 0x38, 0x05, 0x06], "phsubw mm0, [esi]"); test_instr(&[0x66, 0x0f, 0x38, 0x06, 0x06], "phsubd xmm0, [esi]"); test_instr(&[0x0f, 0x38, 0x06, 0x06], "phsubd mm0, [esi]"); test_instr(&[0x66, 0x0f, 0x38, 0x07, 0x06], "phsubsw xmm0, [esi]"); test_instr(&[0x0f, 0x38, 0x07, 0x06], "phsubsw mm0, [esi]"); test_instr(&[0x66, 0x0f, 0x38, 0x08, 0x06], "psignb xmm0, [esi]"); test_instr(&[0x0f, 0x38, 0x08, 0x06], "psignb mm0, [esi]"); test_instr(&[0x66, 0x0f, 0x38, 0x09, 0x06], "psignw xmm0, [esi]"); test_instr(&[0x0f, 0x38, 0x09, 0x06], "psignw mm0, [esi]"); test_instr(&[0x66, 0x0f, 0x38, 0x0a, 0x06], "psignd xmm0, [esi]"); test_instr(&[0x0f, 0x38, 0x0a, 0x06], "psignd mm0, [esi]"); test_instr(&[0x66, 0x0f, 0x38, 0x0b, 0x06], "pmulhrsw xmm0, [esi]"); test_instr(&[0x0f, 0x38, 0x0b, 0x06], "pmulhrsw mm0, [esi]"); test_instr(&[0x66, 0x0f, 0x38, 0x1c, 0x06], "pabsb xmm0, [esi]"); test_instr(&[0x0f, 0x38, 0x1c, 0x06], "pabsb mm0, [esi]"); test_instr(&[0x66, 0x0f, 0x38, 0x1d, 0x06], "pabsw xmm0, [esi]"); test_instr(&[0x0f, 0x38, 0x1d, 0x06], "pabsw mm0, [esi]"); test_instr(&[0x66, 0x0f, 0x38, 0x1e, 0x06], "pabsd xmm0, [esi]"); test_instr(&[0x0f, 0x38, 0x1e, 0x06], "pabsd mm0, [esi]"); test_instr(&[0x66, 0x0f, 0x3a, 0x0f, 0x06, 0x30], "palignr xmm0, [esi], 0x30"); test_instr(&[0x0f, 0x3a, 0x0f, 0x06, 0x30], "palignr mm0, [esi], 0x30"); } #[test] fn test_0f01() { // drawn heavily from "Table A-6. Opcode Extensions for One- and Two-byte Opcodes by Group // Number" test_display(&[0x0f, 0x01, 0x38], "invlpg [eax]"); test_display(&[0x0f, 0x01, 0x3f], "invlpg [edi]"); test_display(&[0x0f, 0x01, 0x40, 0xff], "sgdt [eax - 0x1]"); test_display(&[0x0f, 0x01, 0x41, 0xff], "sgdt [ecx - 0x1]"); test_display(&[0x0f, 0x01, 0x49, 0xff], "sidt [ecx - 0x1]"); test_display(&[0x0f, 0x01, 0x51, 0xff], "lgdt [ecx - 0x1]"); test_display(&[0x0f, 0x01, 0x59, 0xff], "lidt [ecx - 0x1]"); test_display(&[0x0f, 0x01, 0x61, 0xff], "smsw [ecx - 0x1]"); test_invalid(&[0x0f, 0x01, 0x69, 0xff]); test_display(&[0x0f, 0x01, 0x71, 0xff], "lmsw [ecx - 0x1]"); test_display(&[0x0f, 0x01, 0x79, 0xff], "invlpg [ecx - 0x1]"); test_display(&[0x0f, 0x01, 0xc0], "enclv"); test_display(&[0x0f, 0x01, 0xc1], "vmcall"); test_display(&[0x0f, 0x01, 0xc2], "vmlaunch"); test_display(&[0x0f, 0x01, 0xc3], "vmresume"); test_display(&[0x0f, 0x01, 0xc4], "vmxoff"); test_invalid(&[0x0f, 0x01, 0xc5]); // TODO: TME would make this `pconfig` test_invalid(&[0x0f, 0x01, 0xc6]); test_invalid(&[0x0f, 0x01, 0xc7]); test_display(&[0x0f, 0x01, 0xc8], "monitor"); test_display(&[0x0f, 0x01, 0xc9], "mwait"); test_display(&[0x0f, 0x01, 0xca], "clac"); test_display(&[0x0f, 0x01, 0xcb], "stac"); test_invalid(&[0x0f, 0x01, 0xcc]); test_invalid(&[0x0f, 0x01, 0xcd]); test_invalid(&[0x0f, 0x01, 0xce]); test_display(&[0x0f, 0x01, 0xcf], "encls"); test_display(&[0x0f, 0x01, 0xd0], "xgetbv"); test_display(&[0x0f, 0x01, 0xd1], "xsetbv"); test_invalid(&[0x0f, 0x01, 0xd2]); test_invalid(&[0x0f, 0x01, 0xd3]); test_display(&[0x0f, 0x01, 0xd4], "vmfunc"); test_display(&[0x0f, 0x01, 0xd5], "xend"); test_display(&[0x0f, 0x01, 0xd6], "xtest"); test_display(&[0x0f, 0x01, 0xd7], "enclu"); test_display(&[0x0f, 0x01, 0xd8], "vmrun eax"); test_display(&[0x0f, 0x01, 0xd9], "vmmcall"); test_display(&[0x0f, 0x01, 0xda], "vmload eax"); test_display(&[0x0f, 0x01, 0xdb], "vmsave eax"); test_display(&[0x0f, 0x01, 0xdc], "stgi"); test_display(&[0x0f, 0x01, 0xdd], "clgi"); test_display(&[0x0f, 0x01, 0xde], "skinit eax"); test_display(&[0x0f, 0x01, 0xdf], "invlpga eax, ecx"); // TODO: not clear what SHOULD be reported for invlpgb. certainly not a `rax` operand. xed claims // that this is UD in protected mode. the AMD manual explicitly says this does not #UD in protected // mode. same for tlbsync. // test_display(&[0x0f, 0x01, 0xfe], "invlpgb rax, edx, ecx"); // test_display(&[0x0f, 0x01, 0xff], "tlbsync"); // test_display(&[0x2e, 0x67, 0x65, 0x2e, 0x46, 0x0f, 0x01, 0xff], "tlbsync"); test_display(&[0x0f, 0x01, 0xe0], "smsw ax"); test_display(&[0x0f, 0x01, 0xe1], "smsw cx"); test_display(&[0x0f, 0x01, 0xe2], "smsw dx"); test_display(&[0x0f, 0x01, 0xe3], "smsw bx"); test_display(&[0x0f, 0x01, 0xe4], "smsw sp"); test_display(&[0x0f, 0x01, 0xe5], "smsw bp"); test_display(&[0x0f, 0x01, 0xe6], "smsw si"); test_display(&[0x0f, 0x01, 0xe7], "smsw di"); test_invalid(&[0x0f, 0x01, 0xe8]); test_invalid(&[0x0f, 0x01, 0xe8]); test_invalid(&[0x0f, 0x01, 0xe9]); test_invalid(&[0x0f, 0x01, 0xea]); test_invalid(&[0x0f, 0x01, 0xeb]); test_display(&[0x0f, 0x01, 0xee], "rdpkru"); test_display(&[0x0f, 0x01, 0xef], "wrpkru"); test_invalid(&[0xf2, 0x0f, 0x01, 0xee]); test_invalid(&[0xf2, 0x0f, 0x01, 0xef]); test_display(&[0x0f, 0x01, 0xf0], "lmsw ax"); test_display(&[0x0f, 0x01, 0xf1], "lmsw cx"); test_display(&[0x0f, 0x01, 0xf2], "lmsw dx"); test_display(&[0x0f, 0x01, 0xf3], "lmsw bx"); test_display(&[0x0f, 0x01, 0xf4], "lmsw sp"); test_display(&[0x0f, 0x01, 0xf5], "lmsw bp"); test_display(&[0x0f, 0x01, 0xf6], "lmsw si"); test_display(&[0x0f, 0x01, 0xf7], "lmsw di"); test_invalid(&[0x0f, 0x01, 0xf8]); test_display(&[0x0f, 0x01, 0xf9], "rdtscp"); test_display(&[0x0f, 0x01, 0xfa], "monitorx"); test_display(&[0x0f, 0x01, 0xfb], "mwaitx"); test_display(&[0x0f, 0x01, 0xfc], "clzero"); test_display(&[0x0f, 0x01, 0xfd], "rdpru ecx"); } #[test] fn test_0fae() { let intel = InstDecoder::minimal().with_intel_quirks(); let amd = InstDecoder::minimal().with_amd_quirks(); let default = InstDecoder::default(); let minimal = InstDecoder::minimal(); // drawn heavily from "Table A-6. Opcode Extensions for One- and Two-byte Opcodes by Group // Number" test_invalid(&[0xf3, 0x0f, 0xae, 0x87]); test_invalid(&[0xf3, 0x0f, 0xae, 0x04, 0x4f]); test_display(&[0x0f, 0xae, 0x04, 0x4f], "fxsave [edi + ecx * 2]"); test_display(&[0x0f, 0xae, 0x0c, 0x4f], "fxrstor [edi + ecx * 2]"); test_display(&[0x0f, 0xae, 0x14, 0x4f], "ldmxcsr [edi + ecx * 2]"); test_display(&[0x0f, 0xae, 0x1c, 0x4f], "stmxcsr [edi + ecx * 2]"); test_display(&[0x0f, 0xae, 0x24, 0x4f], "xsave [edi + ecx * 2]"); test_display(&[0x0f, 0xc7, 0x5c, 0x24, 0x40], "xrstors [esp + 0x40]"); test_display(&[0x0f, 0xc7, 0x64, 0x24, 0x40], "xsavec [esp + 0x40]"); test_display(&[0x0f, 0xc7, 0x6c, 0x24, 0x40], "xsaves [esp + 0x40]"); test_display(&[0x0f, 0xc7, 0x74, 0x24, 0x40], "vmptrld [esp + 0x40]"); test_display(&[0x0f, 0xc7, 0x7c, 0x24, 0x40], "vmptrst [esp + 0x40]"); test_display(&[0x0f, 0xae, 0x2c, 0x4f], "xrstor [edi + ecx * 2]"); test_display(&[0x0f, 0xae, 0x34, 0x4f], "xsaveopt [edi + ecx * 2]"); test_display(&[0x0f, 0xae, 0x3c, 0x4f], "clflush [edi + ecx * 2]"); for (modrm, text) in &[(0xe8u8, "lfence"), (0xf0u8, "mfence"), (0xf8u8, "sfence")] { test_display_under(&intel, &[0x0f, 0xae, *modrm], text); test_display_under(&amd, &[0x0f, 0xae, *modrm], text); test_display_under(&default, &[0x0f, 0xae, *modrm], text); test_display_under(&minimal, &[0x0f, 0xae, *modrm], text); // it turns out intel and amd accept m != 0 for {l,m,s}fence: // from intel: // ``` // Specification of the instruction's opcode above indicates a ModR/M byte of F0. For this // instruction, the processor ignores the r/m field of the ModR/M byte. Thus, MFENCE is encoded // by any opcode of the form 0F AE Fx, where x is in the range 0-7. // ``` // whereas amd does not discuss the r/m field at all. at least as of zen, amd also accepts // these encodings. for m in 1u8..8u8 { test_display_under(&intel, &[0x0f, 0xae, modrm | m], text); test_display_under(&amd, &[0x0f, 0xae, modrm | m], text); test_display_under(&default, &[0x0f, 0xae, modrm | m], text); test_invalid_under(&minimal, &[0x0f, 0xae, modrm | m]); } } } #[test] fn test_system() { test_display(&[0x63, 0xc1], "arpl cx, ax"); test_display(&[0x63, 0x04, 0xba], "arpl [edx + edi * 4], ax"); test_display(&[0x0f, 0x06], "clts"); } #[test] fn test_arithmetic() { test_display(&[0x81, 0xec, 0x10, 0x03, 0x00, 0x00], "sub esp, 0x310"); test_display(&[0x0f, 0xaf, 0xc2], "imul eax, edx"); test_display(&[0x69, 0x43, 0x6f, 0x6d, 0x70, 0x6c, 0x65], "imul eax, [ebx + 0x6f], 0x656c706d"); test_display(&[0x66, 0x0f, 0xaf, 0xd1], "imul dx, cx"); test_display(&[0x6b, 0x43, 0x6f, 0x6d], "imul al, [ebx + 0x6f], 0x6d"); test_display(&[0x00, 0xcc], "add ah, cl"); } #[test] #[allow(non_snake_case)] fn test_E_decode() { test_display(&[0xff, 0x75, 0xb8], "push [ebp - 0x48]"); test_display(&[0xff, 0x75, 0x08], "push [ebp + 0x8]"); } #[test] fn test_sse() { test_display(&[0xf3, 0x0f, 0x10, 0x0c, 0xc7], "movss xmm1, [edi + eax * 8]"); test_display(&[0xf3, 0x0f, 0x11, 0x0c, 0xc7], "movss [edi + eax * 8], xmm1"); test_display(&[0x0f, 0x28, 0x00], "movaps xmm0, [eax]"); test_display(&[0x0f, 0x29, 0x00], "movaps [eax], xmm0"); test_display(&[0xf3, 0x0f, 0x2a, 0xc1], "cvtsi2ss xmm0, ecx"); test_display(&[0xf3, 0x0f, 0x2a, 0x01], "cvtsi2ss xmm0, [ecx]"); test_display(&[0x0f, 0x2b, 0x00], "movntps [eax], xmm0"); test_display(&[0xf3, 0x0f, 0x2c, 0xc1], "cvttss2si eax, xmm1"); test_display(&[0xf3, 0x0f, 0x2c, 0x01], "cvttss2si eax, [ecx]"); test_display(&[0xf3, 0x0f, 0x2d, 0xc1], "cvtss2si eax, xmm1"); test_display(&[0xf3, 0x0f, 0x2d, 0x01], "cvtss2si eax, [ecx]"); test_display(&[0x0f, 0x2e, 0x00], "ucomiss xmm0, [eax]"); test_display(&[0x0f, 0x2f, 0x00], "comiss xmm0, [eax]"); test_display(&[0x0f, 0x28, 0xd0], "movaps xmm2, xmm0"); test_display(&[0x66, 0x0f, 0x28, 0xd0], "movapd xmm2, xmm0"); test_display(&[0x66, 0x0f, 0x28, 0x00], "movapd xmm0, [eax]"); test_display(&[0x66, 0x0f, 0x28, 0x00], "movapd xmm0, [eax]"); test_display(&[0x66, 0x0f, 0x28, 0x00], "movapd xmm0, [eax]"); test_display(&[0x66, 0x0f, 0x28, 0x00], "movapd xmm0, [eax]"); test_display(&[0x67, 0x66, 0x0f, 0x28, 0x00], "movapd xmm0, [bx + si]"); test_display(&[0x66, 0x0f, 0x29, 0x00], "movapd [eax], xmm0"); test_invalid(&[0x0f, 0x50, 0x00]); test_display(&[0x0f, 0x50, 0xc1], "movmskps eax, xmm1"); test_display(&[0x0f, 0x51, 0x01], "sqrtps xmm0, [ecx]"); test_display(&[0xf3, 0x0f, 0x51, 0x01], "sqrtss xmm0, [ecx]"); test_display(&[0x0f, 0x52, 0x01], "rsqrtps xmm0, [ecx]"); test_display(&[0xf3, 0x0f, 0x52, 0x01], "rsqrtss xmm0, [ecx]"); test_display(&[0x0f, 0x53, 0x01], "rcpps xmm0, [ecx]"); test_display(&[0xf3, 0x0f, 0x53, 0x01], "rcpss xmm0, [ecx]"); test_display(&[0xf3, 0x0f, 0x53, 0xc1], "rcpss xmm0, xmm1"); test_display(&[0x0f, 0x54, 0x01], "andps xmm0, [ecx]"); test_display(&[0x0f, 0x55, 0x01], "andnps xmm0, [ecx]"); test_display(&[0x0f, 0x56, 0x01], "orps xmm0, [ecx]"); test_display(&[0x0f, 0x57, 0x01], "xorps xmm0, [ecx]"); test_display(&[0x0f, 0x58, 0x01], "addps xmm0, [ecx]"); test_display(&[0xf3, 0x0f, 0x58, 0x01], "addss xmm0, [ecx]"); test_display(&[0x0f, 0x59, 0x01], "mulps xmm0, [ecx]"); test_display(&[0xf3, 0x0f, 0x59, 0x01], "mulss xmm0, [ecx]"); test_display(&[0x0f, 0x5a, 0x01], "cvtps2pd xmm0, [ecx]"); test_display(&[0xf3, 0x0f, 0x5a, 0x01], "cvtss2sd xmm0, [ecx]"); test_display(&[0x0f, 0x5b, 0x01], "cvtdq2ps xmm0, [ecx]"); test_display(&[0xf3, 0x0f, 0x5b, 0x01], "cvttps2dq xmm0, [ecx]"); test_display(&[0x67, 0x0f, 0x5b, 0x01], "cvtdq2ps xmm0, [bx + di]"); test_display(&[0x0f, 0x5c, 0x01], "subps xmm0, [ecx]"); test_display(&[0xf3, 0x0f, 0x5c, 0x01], "subss xmm0, [ecx]"); test_display(&[0x0f, 0x5d, 0x01], "minps xmm0, [ecx]"); test_display(&[0xf3, 0x0f, 0x5d, 0x01], "minss xmm0, [ecx]"); test_display(&[0x0f, 0x5e, 0x01], "divps xmm0, [ecx]"); test_display(&[0xf3, 0x0f, 0x5e, 0x01], "divss xmm0, [ecx]"); test_display(&[0x0f, 0x5f, 0x01], "maxps xmm0, [ecx]"); test_display(&[0xf3, 0x0f, 0x5f, 0x01], "maxss xmm0, [ecx]"); test_display(&[0x0f, 0x70, 0x00, 0x7f], "pshufw mm0, [eax], 0x7f"); test_display(&[0x66, 0x0f, 0xef, 0xc0], "pxor xmm0, xmm0"); test_display(&[0x66, 0x0f, 0xef, 0xc0], "pxor xmm0, xmm0"); test_display(&[0xf2, 0x0f, 0x10, 0x0c, 0xc6], "movsd xmm1, [esi + eax * 8]"); test_display(&[0xf3, 0x0f, 0x10, 0x04, 0x86], "movss xmm0, [esi + eax * 4]"); test_display(&[0xf2, 0x0f, 0x59, 0xc8], "mulsd xmm1, xmm0"); test_display(&[0xf3, 0x0f, 0x59, 0xc8], "mulss xmm1, xmm0"); test_display( &[0xf3, 0x0f, 0x6f, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc], "movdqu xmm3, [esp + ebx * 4 - 0x334455cc]" ); test_display(&[0xf3, 0x0f, 0x70, 0xc0, 0x4e], "pshufhw xmm0, xmm0, 0x4e"); test_display(&[0xf3, 0x0f, 0x7e, 0xc1], "movq xmm0, xmm1"); test_display( &[0xf3, 0x0f, 0x7f, 0x9c, 0x9c, 0x34, 0xaa, 0xbb, 0xcc], "movdqu [esp + ebx * 4 - 0x334455cc], xmm3" ); test_display(&[0xf3, 0x0f, 0xc2, 0xc3, 0x08], "cmpss xmm0, xmm3, 0x8"); test_display(&[0xf3, 0x0f, 0xc2, 0x03, 0x08], "cmpss xmm0, [ebx], 0x8"); } // SETLE, SETNG, ... #[test] fn test_mov() { test_display(&[0xa0, 0x93, 0x62, 0xc4, 0x00], "mov al, [0xc46293]"); test_display(&[0x67, 0xa0, 0x93, 0x62], "mov al, [0x6293]"); test_display(&[0xa1, 0x93, 0x62, 0xc4, 0x00], "mov eax, [0xc46293]"); test_display(&[0x67, 0xa1, 0x93, 0x62], "mov eax, [0x6293]"); test_display(&[0xa2, 0x93, 0x62, 0xc4, 0x00], "mov [0xc46293], al"); test_display(&[0x67, 0xa2, 0x93, 0x62], "mov [0x6293], al"); test_display(&[0xa3, 0x93, 0x62, 0xc4, 0x00], "mov [0xc46293], eax"); test_display(&[0x67, 0xa3, 0x93, 0x62], "mov [0x6293], eax"); test_display(&[0xba, 0x01, 0x00, 0x00, 0x00], "mov edx, 0x1"); test_display(&[0xc7, 0x04, 0x24, 0x00, 0x00, 0x00, 0x00], "mov [esp], 0x0"); test_display(&[0x89, 0x44, 0x24, 0x08], "mov [esp + 0x8], eax"); test_display(&[0x89, 0x43, 0x18], "mov [ebx + 0x18], eax"); test_display(&[0xc7, 0x43, 0x10, 0x00, 0x00, 0x00, 0x00], "mov [ebx + 0x10], 0x0"); test_display(&[0x89, 0x4e, 0x08], "mov [esi + 0x8], ecx"); test_display(&[0x8b, 0x32], "mov esi, [edx]"); test_display(&[0x8b, 0x4c, 0x10, 0xf8], "mov ecx, [eax + edx * 1 - 0x8]"); test_display(&[0x89, 0x46, 0x10], "mov [esi + 0x10], eax"); test_display(&[0x0f, 0x43, 0xec], "cmovnb ebp, esp"); test_display(&[0x0f, 0xb6, 0x06], "movzx eax, byte [esi]"); test_display(&[0x0f, 0xb7, 0x06], "movzx eax, word [esi]"); test_display(&[0x89, 0x55, 0x94], "mov [ebp - 0x6c], edx"); test_display(&[0x65, 0x89, 0x04, 0x25, 0xa8, 0x01, 0x00, 0x00], "mov gs:[0x1a8], eax"); test_display(&[0x0f, 0xbe, 0x83, 0xb4, 0x00, 0x00, 0x00], "movsx eax, byte [ebx + 0xb4]"); test_display(&[0xf3, 0x0f, 0x6f, 0x07], "movdqu xmm0, [edi]"); test_display(&[0xf3, 0x0f, 0x7f, 0x45, 0x00], "movdqu [ebp], xmm0"); test_display(&[0x0f, 0x97, 0xc0], "seta al"); test_display(&[0x0f, 0x97, 0xc8], "seta al"); test_display(&[0x0f, 0x97, 0x00], "seta [eax]"); test_display(&[0x0f, 0x97, 0x08], "seta [eax]"); // test_display(&[0xd6], "salc"); test_display(&[0x8e, 0x00], "mov es, [eax]"); // cs is not an allowed destination test_invalid(&[0x8e, 0x08]); test_display(&[0x8e, 0x10], "mov ss, [eax]"); test_display(&[0x8e, 0x18], "mov ds, [eax]"); test_display(&[0x8e, 0x20], "mov fs, [eax]"); test_display(&[0x8e, 0x28], "mov gs, [eax]"); test_invalid(&[0x8e, 0x30]); test_invalid(&[0x8e, 0x38]); } #[test] fn test_xchg() { test_display(&[0x90], "nop"); test_display(&[0x91], "xchg eax, ecx"); test_display(&[0x66, 0x91], "xchg ax, cx"); } #[test] fn test_stack() { test_display(&[0x66, 0x50], "push ax"); } #[test] fn test_prefixes() { test_display(&[0x66, 0x31, 0xc0], "xor ax, ax"); test_display(&[0x66, 0x32, 0xc0], "xor al, al"); test_display(&[0x66, 0x32, 0xc5], "xor al, ch"); test_invalid(&[0xf0, 0x33, 0xc0]); test_display(&[0xf0, 0x31, 0x00], "lock xor [eax], eax"); test_display(&[0xf0, 0x80, 0x30, 0x00], "lock xor [eax], 0x0"); test_display(&[0xf0, 0x0f, 0xbb, 0x17], "lock btc [edi], edx"); test_display(&[0x66, 0x2e, 0xf2, 0xf0, 0x0f, 0xbb, 0x13], "lock btc cs:[ebx], dx"); test_invalid(&[0xf0, 0xc7, 0x00, 0x00, 0x00, 0x00]); test_display(&[0x0f, 0xc1, 0xcc], "xadd esp, ecx"); test_display(&[0x66, 0x0f, 0xc1, 0xcc], "xadd sp, cx"); test_display(&[0xf2, 0x0f, 0xc1, 0xcc], "xadd esp, ecx"); test_display(&[0xf3, 0x0f, 0xc1, 0xcc], "xadd esp, ecx"); test_display(&[0x0f, 0xc0, 0xcc], "xadd ah, cl"); test_display(&[0x66, 0x0f, 0xc0, 0xcc], "xadd ah, cl"); test_display(&[0xf2, 0x0f, 0xc0, 0xcc], "xadd ah, cl"); test_display(&[0xf3, 0x0f, 0xc0, 0xcc], "xadd ah, cl"); } #[test] fn test_control_flow() { test_display(&[0x73, 0x31], "jnb 0x31"); test_display(&[0x72, 0x5a], "jb 0x5a"); test_display(&[0x0f, 0x86, 0x8b, 0x01, 0x00, 0x00], "jna 0x18b"); test_display(&[0x74, 0x47], "jz 0x47"); test_display(&[0xff, 0x15, 0x7e, 0x72, 0x24, 0x00], "call [0x24727e]"); test_display(&[0xff, 0x24, 0xcd, 0x70, 0xa0, 0xbc, 0x01], "jmp [ecx * 8 + 0x1bca070]"); test_display(&[0xff, 0xe0], "jmp eax"); test_display(&[0x66, 0xff, 0xe0], "jmp eax"); test_display(&[0x67, 0xff, 0xe0], "jmp eax"); test_invalid(&[0xff, 0xd8]); test_display(&[0xff, 0x18], "callf [eax]"); test_display(&[0xe0, 0x12], "loopnz 0x12"); test_display(&[0xe1, 0x12], "loopz 0x12"); test_display(&[0xe2, 0x12], "loop 0x12"); test_display(&[0xe3, 0x12], "jrcxz 0x12"); test_display(&[0xc3], "ret"); } #[test] fn bad_instructions() { // too long test_invalid(&[ 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x33, 0xc0, ]); } #[test] fn test_test_cmp() { test_display(&[0xf6, 0x05, 0x2c, 0x9b, 0xff, 0xff, 0x01], "test [0xffff9b2c], 0x1"); test_display(&[0x3d, 0x01, 0xf0, 0xff, 0xff], "cmp eax, -0xfff"); test_display(&[0x83, 0xf8, 0xff], "cmp eax, -0x1"); test_display(&[0x39, 0xc6], "cmp esi, eax"); } #[test] fn test_push_pop() { test_display(&[0x5b], "pop ebx"); test_display(&[0x5e], "pop esi"); test_display(&[0x68, 0x7f, 0x63, 0xc4, 0x00], "push 0xc4637f"); test_display(&[0x66, 0x8f, 0x00], "pop [eax]"); test_display(&[0x8f, 0x00], "pop [eax]"); } #[test] fn test_bmi1() { let bmi1 = InstDecoder::minimal().with_bmi1(); let no_bmi1 = InstDecoder::minimal(); test_display_under(&bmi1, &[0xf3, 0x0f, 0xbc, 0xd3], "tzcnt edx, ebx"); test_display_under(&bmi1, &[0xf2, 0x0f, 0xbc, 0xd3], "bsf edx, ebx"); test_display_under(&bmi1, &[0x0f, 0xbc, 0xd3], "bsf edx, ebx"); test_display_under(&no_bmi1, &[0xf3, 0x0f, 0xbc, 0xd3], "bsf edx, ebx"); // from the intel manual [`ANDN`, though this is true for `BMI1` generally]: // ``` // VEX.W1 is ignored in non-64-bit modes. // ``` // just 0f38 test_display_under(&bmi1, &[0xc4, 0xe2, 0x60, 0xf2, 0x01], "andn eax, ebx, [ecx]"); test_display_under(&bmi1, &[0xc4, 0xe2, 0xe0, 0xf2, 0x01], "andn eax, ebx, [ecx]"); test_display_under(&bmi1, &[0xc4, 0xe2, 0x78, 0xf3, 0x09], "blsr eax, [ecx]"); test_display_under(&bmi1, &[0xc4, 0xe2, 0xf8, 0xf3, 0x09], "blsr eax, [ecx]"); test_display_under(&bmi1, &[0xc4, 0xe2, 0x78, 0xf3, 0x11], "blsmsk eax, [ecx]"); test_display_under(&bmi1, &[0xc4, 0xe2, 0xf8, 0xf3, 0x11], "blsmsk eax, [ecx]"); test_display_under(&bmi1, &[0xc4, 0xe2, 0x78, 0xf3, 0x19], "blsi eax, [ecx]"); test_display_under(&bmi1, &[0xc4, 0xe2, 0xf8, 0xf3, 0x19], "blsi eax, [ecx]"); test_display_under(&bmi1, &[0xc4, 0xe2, 0x60, 0xf7, 0x01], "bextr eax, [ecx], ebx"); test_display_under(&bmi1, &[0xc4, 0xe2, 0xe0, 0xf7, 0x01], "bextr eax, [ecx], ebx"); } #[test] fn test_bmi2() { let bmi2 = InstDecoder::minimal().with_bmi2(); // from the intel manual [`PDEP`, though this is true for `BMI2` generally]: // ``` // VEX.W1 is ignored in non-64-bit modes. // ``` // f2 0f3a test_display_under(&bmi2, &[0xc4, 0xe3, 0x7b, 0xf0, 0x01, 0x05], "rorx eax, [ecx], 0x5"); test_display_under(&bmi2, &[0xc4, 0xe3, 0xfb, 0xf0, 0x01, 0x05], "rorx eax, [ecx], 0x5"); // f2 0f38 map test_display_under(&bmi2, &[0xc4, 0xe2, 0x63, 0xf5, 0x07], "pdep eax, ebx, [edi]"); test_display_under(&bmi2, &[0xc4, 0xe2, 0xe3, 0xf5, 0x07], "pdep eax, ebx, [edi]"); test_display_under(&bmi2, &[0xc4, 0xe2, 0x63, 0xf6, 0x07], "mulx eax, ebx, [edi]"); test_display_under(&bmi2, &[0xc4, 0xe2, 0xe3, 0xf6, 0x07], "mulx eax, ebx, [edi]"); test_display_under(&bmi2, &[0xc4, 0xe2, 0x63, 0xf7, 0x01], "shrx eax, [ecx], ebx"); test_display_under(&bmi2, &[0xc4, 0xe2, 0xe3, 0xf7, 0x01], "shrx eax, [ecx], ebx"); // f3 0f38 map test_display_under(&bmi2, &[0xc4, 0xe2, 0x62, 0xf5, 0x07], "pext eax, ebx, [edi]"); test_display_under(&bmi2, &[0xc4, 0xe2, 0xe2, 0xf5, 0x07], "pext eax, ebx, [edi]"); test_display_under(&bmi2, &[0xc4, 0xe2, 0x62, 0xf7, 0x01], "sarx eax, [ecx], ebx"); test_display_under(&bmi2, &[0xc4, 0xe2, 0xe2, 0xf7, 0x01], "sarx eax, [ecx], ebx"); // just 0f38 test_display_under(&bmi2, &[0xc4, 0xe2, 0x60, 0xf5, 0x07], "bzhi eax, [edi], ebx"); test_display_under(&bmi2, &[0xc4, 0xe2, 0xe0, 0xf5, 0x07], "bzhi eax, [edi], ebx"); // 66 0f38 test_display_under(&bmi2, &[0xc4, 0xe2, 0x61, 0xf7, 0x01], "shlx eax, [ecx], ebx"); test_display_under(&bmi2, &[0xc4, 0xe2, 0xe1, 0xf7, 0x01], "shlx eax, [ecx], ebx"); } #[test] fn test_popcnt() { let popcnt = InstDecoder::minimal().with_popcnt(); let intel_popcnt = InstDecoder::minimal().with_intel_quirks().with_sse4_2(); let no_popcnt = InstDecoder::minimal(); test_display_under(&popcnt, &[0xf3, 0x0f, 0xb8, 0xc1], "popcnt eax, ecx"); test_display_under(&intel_popcnt, &[0xf3, 0x0f, 0xb8, 0xc1], "popcnt eax, ecx"); test_invalid_under(&no_popcnt, &[0xf3, 0x0f, 0xb8, 0xc1]); } #[test] fn test_bitwise() { test_display_under(&InstDecoder::minimal(), &[0x0f, 0xbc, 0xd3], "bsf edx, ebx"); test_display_under(&InstDecoder::minimal(), &[0x0f, 0xbb, 0x17], "btc [edi], edx"); test_display_under(&InstDecoder::minimal(), &[0xf0, 0x0f, 0xbb, 0x17], "lock btc [edi], edx"); test_display(&[0x0f, 0xa3, 0xd0], "bt eax, edx"); test_display(&[0x0f, 0xab, 0xd0], "bts eax, edx"); test_display(&[0x0f, 0xb3, 0xd0], "btr eax, edx"); test_display(&[0x66, 0x0f, 0xb3, 0xc0], "btr ax, ax"); test_display(&[0xd2, 0xe0], "shl al, cl"); } #[test] fn test_misc() { test_display(&[0xf1], "int 0x1"); test_display(&[0xf5], "cmc"); test_display(&[0xc8, 0x01, 0x02, 0x03], "enter 0x201, 0x3"); test_display(&[0xc9], "leave"); test_display(&[0xca, 0x12, 0x34], "retf 0x3412"); test_display(&[0xcb], "retf"); test_display(&[0x66, 0xcf], "iret"); test_display(&[0xcf], "iretd"); test_display(&[0xf2, 0x0f, 0x38, 0xf0, 0xc1], "crc32 eax, cl"); test_display(&[0xf2, 0x0f, 0x38, 0xf1, 0xc1], "crc32 eax, ecx"); test_display(&[0xfe, 0x00], "inc [eax]"); // TODO: inc byte [eax] test_display(&[0xfe, 0x08], "dec [eax]"); // TODO: dec byte [eax] test_display(&[0xff, 0x00], "inc [eax]"); // TODO: inc dword [eax] test_display(&[0xff, 0x08], "dec [eax]"); // TODO: inc qword [eax] test_display(&[0xe4, 0x99], "in al, 0x99"); test_display(&[0xe5, 0x99], "in eax, 0x99"); test_display(&[0x67, 0xe5, 0x99], "in eax, 0x99"); test_display(&[0xe5, 0x99], "in eax, 0x99"); test_display(&[0xe6, 0x99], "out 0x99, al"); test_display(&[0xe7, 0x99], "out 0x99, eax"); test_display(&[0xec], "in al, dx"); test_display(&[0xed], "in eax, dx"); test_display(&[0xee], "out dx, al"); test_display(&[0xef], "out dx, eax"); test_display(&[0xcd, 0x00], "int 0x0"); test_display(&[0xcd, 0xff], "int 0xff"); test_display(&[0x9c], "pushf"); test_display(&[0x98], "cwde"); test_display(&[0x66, 0x99], "cwd"); test_display(&[0x66, 0x2e, 0x0f, 0x1f, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00], "nop cs:[eax + eax * 1]"); test_display(&[0x66, 0x0f, 0x1f, 0x44, 0x00, 0x00], "nop [eax + eax * 1]"); test_display(&[0x8d, 0xa4, 0xc7, 0x20, 0x00, 0x00, 0x12], "lea esp, [edi + eax * 8 + 0x12000020]"); test_display(&[0x33, 0xc0], "xor eax, eax"); test_display(&[0x8d, 0x53, 0x08], "lea edx, [ebx + 0x8]"); test_invalid(&[0x8d, 0xdd]); test_display(&[0x31, 0xc9], "xor ecx, ecx"); test_display(&[0x29, 0xc8], "sub eax, ecx"); test_display(&[0x03, 0x0b], "add ecx, [ebx]"); test_display(&[0x8d, 0x0c, 0x12], "lea ecx, [edx + edx * 1]"); test_display(&[0xf6, 0xc2, 0x18], "test dl, 0x18"); test_display(&[0xf3, 0xab], "rep stos es:[edi], eax"); test_display(&[0xf3, 0xa5], "rep movs es:[edi], ds:[esi]"); test_display(&[0xf3, 0x0f, 0xbc, 0xd7], "tzcnt edx, edi"); // this is actually vmx // test_invalid(&[0x66, 0x0f, 0xc7, 0x03]); test_display(&[0x66, 0x0f, 0xc7, 0x33], "vmclear [ebx]"); test_display(&[0xf3, 0x0f, 0xc7, 0x33], "vmxon [ebx]"); test_display(&[0xf3, 0x0f, 0xae, 0x26], "ptwrite [esi]"); test_display(&[0xf3, 0x0f, 0xae, 0xe6], "ptwrite esi"); test_invalid(&[0x66, 0xf3, 0x0f, 0xae, 0xe6]); test_display(&[0xf3, 0x0f, 0xae, 0xc4], "rdfsbase esp"); test_display(&[0xf3, 0x0f, 0xae, 0xcc], "rdgsbase esp"); test_display(&[0xf3, 0x0f, 0xae, 0xd4], "wrfsbase esp"); test_display(&[0xf3, 0x0f, 0xae, 0xdc], "wrgsbase esp"); test_display(&[0x66, 0x0f, 0xae, 0x3f], "clflushopt [edi]"); // or clflush without 66 test_invalid(&[0x66, 0x0f, 0xae, 0xff]); test_display(&[0x66, 0x0f, 0xae, 0x37], "clwb [edi]"); test_display(&[0x66, 0x0f, 0xae, 0xf7], "tpause edi"); test_display(&[0xf3, 0x0f, 0xae, 0xf1], "umonitor ecx"); test_display(&[0xf2, 0x0f, 0xae, 0xf1], "umwait ecx"); test_display(&[0x66, 0x0f, 0x38, 0x80, 0x2f], "invept ebp, [edi]"); test_invalid(&[0x0f, 0x38, 0x80, 0x2f]); test_display(&[0x66, 0x0f, 0x38, 0x81, 0x2f], "invvpid ebp, [edi]"); test_invalid(&[0x0f, 0x38, 0x81, 0x2f]); test_display(&[0x66, 0x0f, 0x38, 0x82, 0x2f], "invpcid ebp, [edi]"); test_invalid(&[0x0f, 0x38, 0x82, 0x2f]); test_display(&[0x66, 0x0f, 0xae, 0xf1], "tpause ecx"); } #[test] #[ignore] // TODO also not supported at all fn evex() { test_display(&[0x62, 0xf2, 0x7d, 0x48, 0x2a, 0x44, 0x40, 0x01], "vmovntdqa zmm0, [eax + eax*2 + 0x40]"); test_display(&[0x62, 0xf2, 0x7d, 0x08, 0x2a, 0x44, 0x40, 0x01], "vmovntdqa xmm0, [eax + eax*2 + 0x10]"); } #[test] fn test_vex() { fn test_instr(bytes: &[u8], text: &'static str) { test_display_under(&InstDecoder::minimal().with_avx(), bytes, text); test_display_under(&InstDecoder::default(), bytes, text); test_invalid_under(&InstDecoder::minimal(), bytes); } fn test_valid(bytes: &[u8], text: &'static str) { test_display_under(&InstDecoder::minimal().with_avx(), bytes, text); test_display_under(&InstDecoder::default(), bytes, text); test_display_under(&InstDecoder::minimal(), bytes, text); } fn test_instr_invalid(bytes: &[u8]) { test_invalid_under(&InstDecoder::minimal().with_avx(), bytes); test_invalid_under(&InstDecoder::default(), bytes); } test_instr(&[0xc5, 0xf8, 0x10, 0x00], "vmovups xmm0, [eax]"); test_instr(&[0xc5, 0xf8, 0x10, 0x01], "vmovups xmm0, [ecx]"); test_valid(&[0xc5, 0x78, 0x10], "lds edi, [eax + 0x10]"); test_instr(&[0xc5, 0xf8, 0x10, 0xcf], "vmovups xmm1, xmm7"); test_instr(&[0xc5, 0xf9, 0x10, 0x0f], "vmovupd xmm1, [edi]"); test_instr(&[0xc5, 0xfa, 0x7e, 0x10], "vmovq xmm2, [eax]"); test_instr(&[0xc5, 0xfc, 0x10, 0x0f], "vmovups ymm1, [edi]"); test_instr(&[0xc5, 0xfd, 0x10, 0x0f], "vmovupd ymm1, [edi]"); test_instr(&[0xc5, 0xfe, 0x10, 0x0f], "vmovss xmm1, [edi]"); test_instr(&[0xc5, 0xff, 0x10, 0xcf], "vmovsd xmm1, xmm0, xmm7"); test_instr(&[0xc5, 0xff, 0x10, 0x01], "vmovsd xmm0, [ecx]"); test_instr(&[0xc5, 0xf9, 0x6e, 0xc6], "vmovd xmm0, esi"); test_instr(&[0xc5, 0xf9, 0x6e, 0x13], "vmovd xmm2, [ebx]"); test_instr(&[0xc5, 0xf9, 0x7e, 0xc6], "vmovd esi, xmm0"); test_instr(&[0xc5, 0xf9, 0x7e, 0x13], "vmovd [ebx], xmm2"); test_instr_invalid(&[0xf0, 0xc5, 0xf8, 0x10, 0x00]); test_valid(&[0xc4, 0x02], "les eax, [edx]"); test_instr(&[0xc4, 0xc2, 0x71, 0x00, 0x0f], "vpshufb xmm1, xmm1, [edi]"); test_instr(&[0xc4, 0xc2, 0x75, 0x00, 0x0f], "vpshufb ymm1, ymm1, [edi]"); test_instr(&[0xc4, 0xc2, 0x71, 0x00, 0xcd], "vpshufb xmm1, xmm1, xmm5"); test_instr(&[0xc4, 0xc2, 0x75, 0x00, 0xcd], "vpshufb ymm1, ymm1, ymm5"); test_instr(&[0xc4, 0xc2, 0x71, 0x01, 0x0f], "vphaddw xmm1, xmm1, [edi]"); test_instr(&[0xc4, 0xc2, 0x75, 0x01, 0x0f], "vphaddw ymm1, ymm1, [edi]"); test_instr(&[0xc4, 0xc2, 0x71, 0x01, 0xcd], "vphaddw xmm1, xmm1, xmm5"); test_instr(&[0xc4, 0xc2, 0x75, 0x01, 0xcd], "vphaddw ymm1, ymm1, ymm5"); test_instr(&[0xc4, 0xc2, 0x71, 0x02, 0x0f], "vphaddd xmm1, xmm1, [edi]"); test_instr(&[0xc4, 0xc2, 0x75, 0x02, 0x0f], "vphaddd ymm1, ymm1, [edi]"); test_instr(&[0xc4, 0xc2, 0x71, 0x02, 0xcd], "vphaddd xmm1, xmm1, xmm5"); test_instr(&[0xc4, 0xc2, 0x75, 0x02, 0xcd], "vphaddd ymm1, ymm1, ymm5"); test_instr(&[0xc4, 0xc2, 0x71, 0x03, 0x0f], "vphaddsw xmm1, xmm1, [edi]"); test_instr(&[0xc4, 0xc2, 0x75, 0x03, 0x0f], "vphaddsw ymm1, ymm1, [edi]"); test_instr(&[0xc4, 0xc2, 0x71, 0x03, 0xcd], "vphaddsw xmm1, xmm1, xmm5"); test_instr(&[0xc4, 0xc2, 0x75, 0x03, 0xcd], "vphaddsw ymm1, ymm1, ymm5"); test_instr(&[0xc4, 0xc2, 0x71, 0x04, 0x0f], "vphaddubsw xmm1, xmm1, [edi]"); test_instr(&[0xc4, 0xc2, 0x75, 0x04, 0x0f], "vphaddubsw ymm1, ymm1, [edi]"); test_instr(&[0xc4, 0xc2, 0x71, 0x04, 0xcd], "vphaddubsw xmm1, xmm1, xmm5"); test_instr(&[0xc4, 0xc2, 0x75, 0x04, 0xcd], "vphaddubsw ymm1, ymm1, ymm5"); test_instr(&[0xc4, 0xc2, 0x71, 0x05, 0x0f], "vphsubw xmm1, xmm1, [edi]"); test_instr(&[0xc4, 0xc2, 0x75, 0x05, 0x0f], "vphsubw ymm1, ymm1, [edi]"); test_instr(&[0xc4, 0xc2, 0x71, 0x05, 0xcd], "vphsubw xmm1, xmm1, xmm5"); test_instr(&[0xc4, 0xc2, 0x75, 0x05, 0xcd], "vphsubw ymm1, ymm1, ymm5"); test_instr(&[0xc4, 0xc2, 0x71, 0x06, 0x0f], "vphsubd xmm1, xmm1, [edi]"); test_instr(&[0xc4, 0xc2, 0x75, 0x06, 0x0f], "vphsubd ymm1, ymm1, [edi]"); test_instr(&[0xc4, 0xc2, 0x71, 0x06, 0xcd], "vphsubd xmm1, xmm1, xmm5"); test_instr(&[0xc4, 0xc2, 0x75, 0x06, 0xcd], "vphsubd ymm1, ymm1, ymm5"); test_instr(&[0xc4, 0xc2, 0x71, 0x07, 0x0f], "vphsubsw xmm1, xmm1, [edi]"); test_instr(&[0xc4, 0xc2, 0x75, 0x07, 0x0f], "vphsubsw ymm1, ymm1, [edi]"); test_instr(&[0xc4, 0xc2, 0x71, 0x07, 0xcd], "vphsubsw xmm1, xmm1, xmm5"); test_instr(&[0xc4, 0xc2, 0x75, 0x07, 0xcd], "vphsubsw ymm1, ymm1, ymm5"); test_instr(&[0xc4, 0xc2, 0x71, 0x08, 0x0f], "vpsignb xmm1, xmm1, [edi]"); test_instr(&[0xc4, 0xc2, 0x75, 0x08, 0x0f], "vpsignb ymm1, ymm1, [edi]"); test_instr(&[0xc4, 0xc2, 0x71, 0x08, 0xcd], "vpsignb xmm1, xmm1, xmm5"); test_instr(&[0xc4, 0xc2, 0x75, 0x08, 0xcd], "vpsignb ymm1, ymm1, ymm5"); test_instr(&[0xc4, 0xc2, 0x71, 0x09, 0x0f], "vpsignw xmm1, xmm1, [edi]"); test_instr(&[0xc4, 0xc2, 0x75, 0x09, 0x0f], "vpsignw ymm1, ymm1, [edi]"); test_instr(&[0xc4, 0xc2, 0x71, 0x09, 0xcd], "vpsignw xmm1, xmm1, xmm5"); test_instr(&[0xc4, 0xc2, 0x75, 0x09, 0xcd], "vpsignw ymm1, ymm1, ymm5"); test_instr(&[0xc4, 0xc2, 0x71, 0x0a, 0x0f], "vpsignd xmm1, xmm1, [edi]"); test_instr(&[0xc4, 0xc2, 0x75, 0x0a, 0x0f], "vpsignd ymm1, ymm1, [edi]"); test_instr(&[0xc4, 0xc2, 0x71, 0x0a, 0xcd], "vpsignd xmm1, xmm1, xmm5"); test_instr(&[0xc4, 0xc2, 0x75, 0x0a, 0xcd], "vpsignd ymm1, ymm1, ymm5"); test_instr(&[0xc4, 0xc2, 0x71, 0x0b, 0x0f], "vpmulhrsw xmm1, xmm1, [edi]"); test_instr(&[0xc4, 0xc2, 0x75, 0x0b, 0x0f], "vpmulhrsw ymm1, ymm1, [edi]"); test_instr(&[0xc4, 0xc2, 0x71, 0x0b, 0xcd], "vpmulhrsw xmm1, xmm1, xmm5"); test_instr(&[0xc4, 0xc2, 0x75, 0x0b, 0xcd], "vpmulhrsw ymm1, ymm1, ymm5"); test_instr(&[0xc4, 0xc2, 0x71, 0x0c, 0x0f], "vpermilps xmm1, xmm1, [edi]"); test_instr(&[0xc4, 0xc2, 0x75, 0x0c, 0x0f], "vpermilps ymm1, ymm1, [edi]"); test_instr(&[0xc4, 0xc2, 0x71, 0x0c, 0xcd], "vpermilps xmm1, xmm1, xmm5"); test_instr(&[0xc4, 0xc2, 0x75, 0x0c, 0xcd], "vpermilps ymm1, ymm1, ymm5"); test_instr(&[0xc4, 0xc2, 0x71, 0x0d, 0x0f], "vpermilpd xmm1, xmm1, [edi]"); test_instr(&[0xc4, 0xc2, 0x75, 0x0d, 0x0f], "vpermilpd ymm1, ymm1, [edi]"); test_instr(&[0xc4, 0xc2, 0x71, 0x0d, 0xcd], "vpermilpd xmm1, xmm1, xmm5"); test_instr(&[0xc4, 0xc2, 0x75, 0x0d, 0xcd], "vpermilpd ymm1, ymm1, ymm5"); test_instr_invalid(&[0xc4, 0xc2, 0x71, 0x0e, 0x00]); test_instr(&[0xc4, 0xc2, 0x79, 0x0e, 0x0f], "vtestps xmm1, [edi]"); test_instr(&[0xc4, 0xc2, 0x7d, 0x0e, 0x0f], "vtestps ymm1, [edi]"); test_instr(&[0xc4, 0xc2, 0x79, 0x0e, 0xcd], "vtestps xmm1, xmm5"); test_instr(&[0xc4, 0xc2, 0x7d, 0x0e, 0xcd], "vtestps ymm1, ymm5"); test_instr_invalid(&[0xc4, 0xc2, 0x71, 0x0f, 0x00]); test_instr(&[0xc4, 0xc2, 0x79, 0x0f, 0x0f], "vtestpd xmm1, [edi]"); test_instr(&[0xc4, 0xc2, 0x7d, 0x0f, 0x0f], "vtestpd ymm1, [edi]"); test_instr(&[0xc4, 0xc2, 0x79, 0x0f, 0xcd], "vtestpd xmm1, xmm5"); test_instr(&[0xc4, 0xc2, 0x7d, 0x0f, 0xcd], "vtestpd ymm1, ymm5"); test_instr(&[0xc4, 0xe2, 0x65, 0x90, 0x04, 0x51], "vpgatherdd ymm0, [ecx + ymm2 * 2], ymm3"); test_instr(&[0xc4, 0xe2, 0xe5, 0x90, 0x04, 0x51], "vpgatherdq ymm0, [ecx + ymm2 * 2], ymm3"); test_instr(&[0xc4, 0xe2, 0x65, 0x91, 0x04, 0x51], "vpgatherqd ymm0, [ecx + ymm2 * 2], ymm3"); test_instr(&[0xc4, 0xe2, 0xe5, 0x91, 0x04, 0x51], "vpgatherqq ymm0, [ecx + ymm2 * 2], ymm3"); test_instr(&[0xc4, 0xc2, 0x09, 0x9d, 0xcd], "vfnmadd132ss xmm1, xmm6, xmm5"); // note xmm6, not xmm14! test_instr(&[0xc4, 0xc2, 0x89, 0x9d, 0xcd], "vfnmadd132sd xmm1, xmm6, xmm5"); // ... test_instr(&[0xc4, 0xe3, 0x79, 0x14, 0xd0, 0x0a], "vpextrb eax, xmm2, 0xa"); test_instr(&[0xc4, 0xe3, 0x79, 0x14, 0x10, 0x0a], "vpextrb [eax], xmm2, 0xa"); test_instr_invalid(&[0xc4, 0xe3, 0xf9, 0x14, 0x00, 0xd0]); test_instr_invalid(&[0xc4, 0xe3, 0xf9, 0x14, 0x00, 0x0a]); test_instr(&[0xc5, 0xed, 0x71, 0xd0, 0x04], "vpsrlw ymm2, ymm0, 0x4"); test_instr(&[0xc5, 0xed, 0x73, 0xd4, 0x20], "vpsrlq ymm2, ymm4, 0x20"); test_instr(&[0xc4, 0xe3, 0xfd, 0x00, 0xc1, 0xa8], "vpermq ymm0, ymm1, 0xa8"); test_instr(&[0xc5, 0xfd, 0xea, 0xd1], "vpminsw ymm2, ymm0, ymm1"); test_instr(&[0xc5, 0xfd, 0xee, 0xd9], "vpmaxsw ymm3, ymm0, ymm1"); test_instr(&[0xc4, 0xe3, 0x7d, 0x19, 0xd1, 0x01], "vextractf128 xmm1, ymm2, 0x1"); test_instr(&[0xc4, 0xc3, 0x75, 0x38, 0x7c, 0x12, 0x05, 0x01], "vinserti128 ymm7, ymm1, [edx + edx * 1 + 0x5], 0x1"); test_instr(&[0xc4, 0xc3, 0x75, 0x42, 0x7c, 0x12, 0x05, 0x61], "vmpsadbw ymm7, ymm1, [edx + edx * 1 + 0x5], 0x61"); test_instr(&[0xc4, 0xc3, 0x75, 0x46, 0x7c, 0x12, 0x05, 0x61], "vperm2i128 ymm7, ymm1, [edx + edx * 1 + 0x5], 0x61"); test_instr(&[0xc4, 0xc3, 0x75, 0x4a, 0x7c, 0x12, 0x05, 0x61], "vblendvps ymm7, ymm1, [edx + edx * 1 + 0x5], ymm6"); test_instr(&[0xc4, 0xc3, 0x71, 0x4a, 0x7c, 0x12, 0x05, 0x61], "vblendvps xmm7, xmm1, [edx + edx * 1 + 0x5], xmm6"); test_instr(&[0xc4, 0xc3, 0x71, 0x4a, 0xdc, 0x61], "vblendvps xmm3, xmm1, xmm4, xmm6"); test_instr(&[0xc4, 0xc3, 0x75, 0x4b, 0x7c, 0x12, 0x05, 0x61], "vblendvpd ymm7, ymm1, [edx + edx * 1 + 0x5], ymm6"); test_instr(&[0xc4, 0xc3, 0x71, 0x4b, 0x7c, 0x12, 0x05, 0x61], "vblendvpd xmm7, xmm1, [edx + edx * 1 + 0x5], xmm6"); test_instr(&[0xc4, 0xc3, 0x71, 0x4b, 0xdc, 0x61], "vblendvpd xmm3, xmm1, xmm4, xmm6"); test_instr(&[0xc4, 0xc3, 0x71, 0x4c, 0x7c, 0x12, 0x05, 0x61], "vpblendvb xmm7, xmm1, [edx + edx * 1 + 0x5], xmm6"); test_instr(&[0xc5, 0xc9, 0xf1, 0x0f], "vpsllw xmm1, xmm6, [edi]"); test_instr(&[0xc5, 0xc9, 0xf1, 0xcf], "vpsllw xmm1, xmm6, xmm7"); test_instr(&[0xc5, 0xcd, 0xf1, 0x0f], "vpsllw ymm1, ymm6, [edi]"); test_instr(&[0xc5, 0xcd, 0xf1, 0xcf], "vpsllw ymm1, ymm6, xmm7"); test_instr(&[0xc5, 0xc9, 0xf2, 0x0f], "vpslld xmm1, xmm6, [edi]"); test_instr(&[0xc5, 0xc9, 0xf2, 0xcf], "vpslld xmm1, xmm6, xmm7"); test_instr(&[0xc5, 0xcd, 0xf2, 0x0f], "vpslld ymm1, ymm6, [edi]"); test_instr(&[0xc5, 0xcd, 0xf2, 0xcf], "vpslld ymm1, ymm6, xmm7"); test_instr(&[0xc5, 0xc9, 0xf3, 0x0f], "vpsllq xmm1, xmm6, [edi]"); test_instr(&[0xc5, 0xc9, 0xf3, 0xcf], "vpsllq xmm1, xmm6, xmm7"); test_instr(&[0xc5, 0xcd, 0xf3, 0x0f], "vpsllq ymm1, ymm6, [edi]"); test_instr(&[0xc5, 0xcd, 0xf3, 0xcf], "vpsllq ymm1, ymm6, xmm7"); test_instr(&[0xc5, 0xf1, 0xc4, 0xd8, 0x78], "vpinsrw xmm3, xmm1, eax, 0x78"); test_instr(&[0xc5, 0xf1, 0xc4, 0x18, 0x78], "vpinsrw xmm3, xmm1, [eax], 0x78"); // uh oh, i think these sizes are backwards... test_instr(&[0xc5, 0xe0, 0x54, 0x03], "vandpd xmm0, xmm3, [ebx]"); test_instr(&[0xc5, 0xe1, 0x54, 0x03], "vandps xmm0, xmm3, [ebx]"); test_instr(&[0xc5, 0xe0, 0x55, 0x03], "vandnpd xmm0, xmm3, [ebx]"); test_instr(&[0xc5, 0xe1, 0x55, 0x03], "vandnps xmm0, xmm3, [ebx]"); test_instr(&[0xc5, 0xe0, 0x56, 0x03], "vorpd xmm0, xmm3, [ebx]"); test_instr(&[0xc5, 0xe1, 0x56, 0x03], "vorps xmm0, xmm3, [ebx]"); test_instr(&[0xc4, 0xe2, 0x15, 0x3e, 0x14, 0xb9], "vpmaxuw ymm2, ymm5, [ecx + edi * 4]"); } #[test] fn strange_prefixing() { test_display(&[0x66, 0x0f, 0x21, 0xc8], "mov eax, dr1"); test_display(&[0xf2, 0x0f, 0x21, 0xc8], "mov eax, dr1"); test_display(&[0xf3, 0x0f, 0x21, 0xc8], "mov eax, dr1"); } #[test] fn prefixed_0f() { test_display(&[0x0f, 0x02, 0xc0], "lar eax, ax"); test_display(&[0x0f, 0x03, 0xc0], "lsl eax, eax"); test_display(&[0x0f, 0x05], "syscall"); test_display(&[0x66, 0x0f, 0x05], "syscall"); test_display(&[0x0f, 0x06], "clts"); test_display(&[0xf2, 0x0f, 0x06], "clts"); test_display(&[0x0f, 0x07], "sysret"); test_display(&[0xf2, 0x0f, 0x07], "sysret"); test_display(&[0x0f, 0x12, 0x0f], "movlps xmm1, [edi]"); test_display(&[0x0f, 0x12, 0xcf], "movhlps xmm1, xmm7"); test_display(&[0x0f, 0x16, 0x0f], "movhps xmm1, [edi]"); test_display(&[0x0f, 0x16, 0xcf], "movlhps xmm1, xmm7"); test_display(&[0x0f, 0x12, 0xc0], "movhlps xmm0, xmm0"); test_invalid(&[0x0f, 0x13, 0xc0]); test_display(&[0x0f, 0x13, 0x00], "movlps [eax], xmm0"); test_display(&[0x0f, 0x14, 0x08], "unpcklps xmm1, [eax]"); test_display(&[0x0f, 0x15, 0x08], "unpckhps xmm1, [eax]"); test_display(&[0x0f, 0x16, 0x0f], "movhps xmm1, [edi]"); test_display(&[0x0f, 0x16, 0xc0], "movlhps xmm0, xmm0"); test_invalid(&[0x0f, 0x17, 0xc0]); test_display(&[0x0f, 0x17, 0x00], "movhps [eax], xmm0"); test_display(&[0x0f, 0x18, 0xc0], "nop eax"); // capstone says invalid, xed says nop test_display(&[0x0f, 0x18, 0x00], "prefetchnta [eax]"); test_display(&[0x0f, 0x18, 0x08], "prefetch0 [eax]"); test_display(&[0x0f, 0x18, 0x10], "prefetch1 [eax]"); test_display(&[0x0f, 0x18, 0x18], "prefetch2 [eax]"); test_display(&[0x0f, 0x18, 0x20], "nop [eax]"); test_display(&[0x0f, 0x18, 0xcc], "nop esp"); test_display(&[0x0f, 0x19, 0x20], "nop [eax]"); test_display(&[0x0f, 0x1a, 0x20], "nop [eax]"); test_display(&[0x0f, 0x1b, 0x20], "nop [eax]"); test_display(&[0x0f, 0x1c, 0x20], "nop [eax]"); test_display(&[0x0f, 0x1d, 0x20], "nop [eax]"); test_display(&[0x0f, 0x1e, 0x20], "nop [eax]"); test_display(&[0x0f, 0x1f, 0x20], "nop [eax]"); test_display(&[0x0f, 0x20, 0xc0], "mov eax, cr0"); test_invalid(&[0x0f, 0x20, 0xc8]); test_display(&[0x0f, 0x21, 0xc8], "mov eax, dr1"); test_display(&[0x0f, 0x22, 0xc0], "mov cr0, eax"); test_invalid(&[0x0f, 0x22, 0xc8]); test_display(&[0x0f, 0x22, 0xc7], "mov cr0, edi"); test_display(&[0x0f, 0x23, 0xc8], "mov dr1, eax"); test_display(&[0x0f, 0x23, 0xcf], "mov dr1, edi"); test_display(&[0x0f, 0x30], "wrmsr"); test_display(&[0x0f, 0x31], "rdtsc"); test_display(&[0x0f, 0x32], "rdmsr"); test_display(&[0x0f, 0x33], "rdpmc"); test_display(&[0x0f, 0x34], "sysenter"); test_display(&[0x0f, 0x35], "sysexit"); test_invalid(&[0x0f, 0x36]); test_display(&[0x0f, 0x37], "getsec"); test_invalid(&[0x66, 0x0f, 0x37]); test_invalid(&[0xf2, 0x0f, 0x37]); test_invalid(&[0xf3, 0x0f, 0x37]); test_display(&[0x0f, 0x60, 0x00], "punpcklbw mm0, [eax]"); test_display(&[0x0f, 0x60, 0xc2], "punpcklbw mm0, mm2"); test_display(&[0x0f, 0x61, 0x00], "punpcklwd mm0, [eax]"); test_display(&[0x0f, 0x61, 0xc2], "punpcklwd mm0, mm2"); test_display(&[0x0f, 0x62, 0x00], "punpckldq mm0, [eax]"); test_display(&[0x0f, 0x62, 0xc2], "punpckldq mm0, mm2"); test_display(&[0x0f, 0x63, 0x00], "packsswb mm0, [eax]"); test_display(&[0x0f, 0x63, 0xc2], "packsswb mm0, mm2"); test_display(&[0x0f, 0x64, 0x00], "pcmpgtb mm0, [eax]"); test_display(&[0x0f, 0x64, 0xc2], "pcmpgtb mm0, mm2"); test_display(&[0x0f, 0x65, 0x00], "pcmpgtw mm0, [eax]"); test_display(&[0x0f, 0x65, 0xc2], "pcmpgtw mm0, mm2"); test_display(&[0x0f, 0x66, 0x00], "pcmpgtd mm0, [eax]"); test_display(&[0x0f, 0x66, 0xc2], "pcmpgtd mm0, mm2"); test_display(&[0x0f, 0x67, 0x00], "packuswb mm0, [eax]"); test_display(&[0x0f, 0x67, 0xc2], "packuswb mm0, mm2"); test_display(&[0x0f, 0x68, 0x00], "punpckhbw mm0, [eax]"); test_display(&[0x0f, 0x68, 0xc2], "punpckhbw mm0, mm2"); test_display(&[0x0f, 0x69, 0x00], "punpckhwd mm0, [eax]"); test_display(&[0x0f, 0x69, 0xc2], "punpckhwd mm0, mm2"); test_display(&[0x0f, 0x6a, 0x00], "punpckhdq mm0, [eax]"); test_display(&[0x0f, 0x6a, 0xc2], "punpckhdq mm0, mm2"); test_display(&[0x0f, 0x6b, 0x00], "packssdw mm0, [eax]"); test_display(&[0x0f, 0x6b, 0xc2], "packssdw mm0, mm2"); test_invalid(&[0x0f, 0x6c]); test_invalid(&[0x0f, 0x6d]); test_display(&[0x0f, 0x6e, 0x00], "movd mm0, [eax]"); test_display(&[0x0f, 0x6e, 0xc2], "movd mm0, edx"); test_display(&[0x0f, 0x6f, 0x00], "movq mm0, [eax]"); test_display(&[0x0f, 0x6f, 0xc2], "movq mm0, mm2"); test_display(&[0x0f, 0x6f, 0xfb], "movq mm7, mm3"); test_display(&[0x0f, 0x70, 0x00, 0x7f], "pshufw mm0, [eax], 0x7f"); test_invalid(&[0x0f, 0x71, 0x00, 0x7f]); test_invalid(&[0x0f, 0x71, 0xc0, 0x7f]); test_display(&[0x0f, 0x71, 0xd0, 0x7f], "psrlw mm0, 0x7f"); test_display(&[0x0f, 0x71, 0xe0, 0x7f], "psraw mm0, 0x7f"); test_display(&[0x0f, 0x71, 0xf0, 0x7f], "psllw mm0, 0x7f"); test_invalid(&[0x0f, 0x72, 0x00, 0x7f]); test_invalid(&[0x0f, 0x72, 0xc0, 0x7f]); test_display(&[0x0f, 0x72, 0xd0, 0x7f], "psrld mm0, 0x7f"); test_display(&[0x0f, 0x72, 0xe0, 0x7f], "psrad mm0, 0x7f"); test_display(&[0x0f, 0x72, 0xf0, 0x7f], "pslld mm0, 0x7f"); test_invalid(&[0x0f, 0x73, 0x00, 0x7f]); test_invalid(&[0x0f, 0x73, 0xc0, 0x7f]); test_display(&[0x0f, 0x73, 0xd0, 0x7f], "psrlq mm0, 0x7f"); test_invalid(&[0x0f, 0x73, 0xe0, 0x7f]); test_display(&[0x0f, 0x73, 0xf0, 0x7f], "psllq mm0, 0x7f"); test_display(&[0x0f, 0xa0], "push fs"); test_display(&[0x0f, 0xa1], "pop fs"); test_display(&[0x0f, 0xa2], "cpuid"); test_display(&[0x0f, 0xa4, 0xc0, 0x11], "shld eax, eax, 0x11"); test_display(&[0x66, 0x0f, 0xa4, 0xcf, 0x11], "shld di, cx, 0x11"); test_display(&[0x0f, 0xa5, 0xc0], "shld eax, eax, cl"); test_display(&[0x0f, 0xa5, 0xc9], "shld ecx, ecx, cl"); test_display(&[0x0f, 0xac, 0xc0, 0x11], "shrd eax, eax, 0x11"); test_display(&[0x66, 0x0f, 0xac, 0xcf, 0x11], "shrd di, cx, 0x11"); test_display(&[0x0f, 0xad, 0xc9], "shrd ecx, ecx, cl"); } #[test] fn prefixed_660f() { test_display(&[0x66, 0x0f, 0x10, 0xc0], "movupd xmm0, xmm0"); test_display(&[0xf2, 0x66, 0x66, 0x0f, 0x10, 0xc0], "movsd xmm0, xmm0"); } #[test] fn prefixed_f20f() { test_invalid(&[0xf2, 0x0f, 0x16, 0xcf]); test_invalid(&[0x66, 0xf2, 0x66, 0x0f, 0x16, 0xcf]); } #[test] fn prefixed_f30f() { test_display(&[0xf3, 0x0f, 0x16, 0xcf], "movshdup xmm1, xmm7"); } #[test] fn only_32bit() { test_display(&[0x40], "inc eax"); test_display(&[0x41], "inc ecx"); test_display(&[0x47], "inc edi"); test_display(&[0x48], "dec eax"); test_display(&[0x4f], "dec edi"); test_display(&[0xa0, 0xc0, 0xb0, 0xa0, 0x90], "mov al, [0x90a0b0c0]"); test_display(&[0x67, 0xa0, 0xc0, 0xb0], "mov al, [0xb0c0]"); test_display(&[0x67, 0xa1, 0xc0, 0xb0], "mov eax, [0xb0c0]"); test_display(&[0x66, 0x67, 0xa1, 0xc0, 0xb0], "mov ax, [0xb0c0]"); test_display(&[0x60], "pusha"); test_display(&[0x61], "popa"); test_display(&[0xce], "into"); test_display(&[0x06], "push es"); test_display(&[0x07], "pop es"); test_display(&[0x0e], "push cs"); test_display(&[0x16], "push ss"); test_display(&[0x17], "pop ss"); test_display(&[0x1e], "push ds"); test_display(&[0x1f], "pop ds"); test_display(&[0x27], "daa"); test_display(&[0x2f], "das"); test_display(&[0x37], "aaa"); test_display(&[0x3f], "aas"); test_display(&[0xd4, 0x01], "amx 0x1"); test_display(&[0xd4, 0x0a], "amx 0xa"); // aka "aam" test_display(&[0xd5, 0x01], "adx 0x1"); test_display(&[0xd5, 0x0a], "adx 0xa"); // aka "aad" } #[test] fn test_adx() { test_display(&[0x66, 0x0f, 0x38, 0xf6, 0xc1], "adcx eax, ecx"); test_display(&[0x66, 0x0f, 0x38, 0xf6, 0x01], "adcx eax, [ecx]"); test_display(&[0xf3, 0x0f, 0x38, 0xf6, 0xc1], "adox eax, ecx"); test_display(&[0xf3, 0x0f, 0x38, 0xf6, 0x01], "adox eax, [ecx]"); } #[test] fn test_prefetchw() { test_display(&[0x0f, 0x0d, 0x08], "prefetchw [eax]"); } #[test] fn test_lzcnt() { test_display(&[0x66, 0xf3, 0x0f, 0xbd, 0xc1], "lzcnt ax, cx"); test_display(&[0xf3, 0x0f, 0xbd, 0xc1], "lzcnt eax, ecx"); } #[test] fn test_svm() { test_display(&[0x0f, 0x01, 0xdf], "invlpga eax, ecx"); test_display(&[0x0f, 0x01, 0xde], "skinit eax"); test_display(&[0x0f, 0x01, 0xdd], "clgi"); test_display(&[0x0f, 0x01, 0xdc], "stgi"); test_display(&[0x0f, 0x01, 0xdb], "vmsave eax"); test_display(&[0x0f, 0x01, 0xda], "vmload eax"); test_display(&[0x0f, 0x01, 0xd9], "vmmcall"); test_display(&[0x0f, 0x01, 0xd8], "vmrun eax"); test_display(&[0x0f, 0x78, 0xc4], "vmread esp, eax"); test_display(&[0x0f, 0x79, 0xc5], "vmwrite eax, ebp"); test_display(&[0x0f, 0x78, 0x0b], "vmread [ebx], ecx"); test_invalid(&[0x66, 0x0f, 0x78, 0x03]); test_display(&[0x0f, 0x79, 0x0b], "vmwrite ecx, [ebx]"); test_invalid(&[0x66, 0x0f, 0x79, 0x03]); } #[test] fn test_movbe() { test_display(&[0x0f, 0x38, 0xf0, 0x06], "movbe eax, [esi]"); test_invalid(&[0x0f, 0x38, 0xf0, 0xc6]); test_display(&[0x0f, 0x38, 0xf1, 0x06], "movbe [esi], eax"); test_display(&[0x66, 0x0f, 0x38, 0xf1, 0x06], "movbe [esi], ax"); test_invalid(&[0x66, 0x0f, 0x38, 0xf1, 0xc6]); } #[test] fn test_tsx() { test_display(&[0xc6, 0xf8, 0x10], "xabort 0x10"); test_display(&[0xc7, 0xf8, 0x10, 0x12, 0x34, 0x56], "xbegin $+0x56341210"); test_display(&[0x66, 0xc7, 0xf8, 0x10, 0x12], "xbegin $+0x1210"); test_display(&[0x0f, 0x01, 0xd5], "xend"); test_display(&[0x0f, 0x01, 0xd6], "xtest"); } #[test] fn test_rand() { test_display(&[0x0f, 0xc7, 0xfd], "rdseed ebp"); test_display(&[0x66, 0x0f, 0xc7, 0xfd], "rdseed bp"); test_display(&[0x0f, 0xc7, 0xf5], "rdrand ebp"); test_display(&[0x66, 0x0f, 0xc7, 0xf5], "rdrand bp"); } #[test] fn test_sha() { test_display(&[0x0f, 0x3a, 0xcc, 0x12, 0x40], "sha1rnds4 xmm2, [edx], 0x40"); test_display(&[0x0f, 0x3a, 0xcc, 0x12, 0xff], "sha1rnds4 xmm2, [edx], 0xff"); test_display(&[0x0f, 0x38, 0xc8, 0x12], "sha1nexte xmm2, [edx]"); test_display(&[0x0f, 0x38, 0xc9, 0x12], "sha1msg1 xmm2, [edx]"); test_display(&[0x0f, 0x38, 0xca, 0x12], "sha1msg2 xmm2, [edx]"); test_display(&[0x0f, 0x38, 0xcb, 0x12], "sha256rnds2 xmm2, [edx]"); test_display(&[0x0f, 0x38, 0xcc, 0x12], "sha256msg1 xmm2, [edx]"); test_display(&[0x0f, 0x38, 0xcd, 0x12], "sha256msg2 xmm2, [edx]"); } #[test] fn test_vmx() { test_display(&[0x0f, 0xc7, 0x3f], "vmptrst [edi]"); test_display(&[0x0f, 0xc7, 0x37], "vmptrld [edi]"); test_display(&[0xf3, 0x0f, 0xc7, 0x37], "vmxon [edi]"); test_display(&[0x66, 0x0f, 0xc7, 0xf7], "rdrand di"); test_display(&[0x66, 0x0f, 0xc7, 0x37], "vmclear [edi]"); // this is actually vmx // test_invalid(&[0x66, 0x0f, 0xc7, 0x03]); test_display(&[0x66, 0x0f, 0xc7, 0x33], "vmclear [ebx]"); test_display(&[0xf3, 0x0f, 0xc7, 0x33], "vmxon [ebx]"); } #[test] fn test_rdpid() { test_display(&[0xf3, 0x0f, 0xc7, 0xfd], "rdpid ebp"); } #[test] fn test_cmpxchg8b() { test_display(&[0x0f, 0xc7, 0x0f], "cmpxchg8b [edi]"); test_display(&[0xf2, 0x0f, 0xc7, 0x0f], "cmpxchg8b [edi]"); test_display(&[0xf3, 0x0f, 0xc7, 0x0f], "cmpxchg8b [edi]"); test_display(&[0x66, 0x0f, 0xc7, 0x0f], "cmpxchg8b [edi]"); } #[test] fn test_x87() { // test_display(&[0xd8, 0x03], "fadd st, dword ptr [ebx]"); test_display(&[0xd8, 0x03], "fadd st(0), [ebx]"); // test_display(&[0xd8, 0x0b], "fmul st, dword ptr [ebx]"); test_display(&[0xd8, 0x0b], "fmul st(0), [ebx]"); // test_display(&[0xd8, 0x13], "fcom st, dword ptr [ebx]"); test_display(&[0xd8, 0x13], "fcom st(0), [ebx]"); // test_display(&[0xd8, 0x1b], "fcomp st, dword ptr [ebx]"); test_display(&[0xd8, 0x1b], "fcomp st(0), [ebx]"); // test_display(&[0xd8, 0x23], "fsub st, dword ptr [ebx]"); test_display(&[0xd8, 0x23], "fsub st(0), [ebx]"); // test_display(&[0xd8, 0x2b], "fsubr st, dword ptr [ebx]"); test_display(&[0xd8, 0x2b], "fsubr st(0), [ebx]"); // test_display(&[0xd8, 0x33], "fdiv st, dword ptr [ebx]"); test_display(&[0xd8, 0x33], "fdiv st(0), [ebx]"); // test_display(&[0xd8, 0x3b], "fdivr st, dword ptr [ebx]"); test_display(&[0xd8, 0x3b], "fdivr st(0), [ebx]"); // test_display(&[0xd8, 0xc3], "fadd st, st(3)"); test_display(&[0xd8, 0xc3], "fadd st(0), st(3)"); // test_display(&[0xd8, 0xcb], "fmul st, st(3)"); test_display(&[0xd8, 0xcb], "fmul st(0), st(3)"); // test_display(&[0xd8, 0xd3], "fcom st, st(3)"); test_display(&[0xd8, 0xd3], "fcom st(0), st(3)"); // test_display(&[0xd8, 0xdb], "fcomp st, st(3)"); test_display(&[0xd8, 0xdb], "fcomp st(0), st(3)"); // test_display(&[0xd8, 0xe3], "fsub st, st(3)"); test_display(&[0xd8, 0xe3], "fsub st(0), st(3)"); // test_display(&[0xd8, 0xeb], "fsubr st, st(3)"); test_display(&[0xd8, 0xeb], "fsubr st(0), st(3)"); // test_display(&[0xd8, 0xf3], "fdiv st, st(3)"); test_display(&[0xd8, 0xf3], "fdiv st(0), st(3)"); // test_display(&[0xd8, 0xfb], "fdivr st, st(3)"); test_display(&[0xd8, 0xfb], "fdivr st(0), st(3)"); // test_display(&[0xd9, 0x03], "fld st, dword ptr [ebx]"); test_display(&[0xd9, 0x03], "fld st(0), [ebx]"); test_invalid(&[0xd9, 0x08]); test_invalid(&[0xd9, 0x09]); test_invalid(&[0xd9, 0x0a]); test_invalid(&[0xd9, 0x0b]); test_invalid(&[0xd9, 0x0c]); test_invalid(&[0xd9, 0x0d]); test_invalid(&[0xd9, 0x0e]); test_invalid(&[0xd9, 0x0f]); // test_display(&[0xd9, 0x13], "fst dword ptr [ebx], st"); test_display(&[0xd9, 0x13], "fst [ebx], st(0)"); // test_display(&[0xd9, 0x1b], "fstp dword ptr [ebx], st"); test_display(&[0xd9, 0x1b], "fstp [ebx], st(0)"); // test_display(&[0xd9, 0x23], "fldenv ptr [ebx]"); test_display(&[0xd9, 0x23], "fldenv [ebx]"); // test_display(&[0xd9, 0x2b], "fldcw word ptr [ebx]"); test_display(&[0xd9, 0x2b], "fldcw [ebx]"); // test_display(&[0xd9, 0x33], "fnstenv ptr [ebx]"); test_display(&[0xd9, 0x33], "fnstenv [ebx]"); // test_display(&[0xd9, 0x3b], "fnstcw word ptr [ebx]"); test_display(&[0xd9, 0x3b], "fnstcw [ebx]"); // test_display(&[0xd9, 0xc3], "fld st, st(3)"); test_display(&[0xd9, 0xc3], "fld st(0), st(3)"); // test_display(&[0xd9, 0xcb], "fxch st, st(3)"); test_display(&[0xd9, 0xcb], "fxch st(0), st(3)"); test_display(&[0xd9, 0xd0], "fnop"); test_invalid(&[0xd9, 0xd1]); test_invalid(&[0xd9, 0xd2]); test_invalid(&[0xd9, 0xd3]); test_invalid(&[0xd9, 0xd4]); test_invalid(&[0xd9, 0xd5]); test_invalid(&[0xd9, 0xd6]); test_invalid(&[0xd9, 0xd7]); // undocumented save for intel xed // test_display(&[0xd9, 0xdb], "fstpnce st(3), st"); test_display(&[0xd9, 0xdb], "fstpnce st(3), st(0)"); test_display(&[0xd9, 0xe0], "fchs"); test_display(&[0xd9, 0xe1], "fabs"); test_invalid(&[0xd9, 0xe2]); test_invalid(&[0xd9, 0xe3]); test_display(&[0xd9, 0xe4], "ftst"); test_display(&[0xd9, 0xe5], "fxam"); test_invalid(&[0xd9, 0xe6]); test_invalid(&[0xd9, 0xe7]); test_display(&[0xd9, 0xe8], "fld1"); test_display(&[0xd9, 0xe9], "fldl2t"); test_display(&[0xd9, 0xea], "fldl2e"); test_display(&[0xd9, 0xeb], "fldpi"); test_display(&[0xd9, 0xec], "fldlg2"); test_display(&[0xd9, 0xed], "fldln2"); test_display(&[0xd9, 0xee], "fldz"); test_invalid(&[0xd9, 0xef]); test_display(&[0xd9, 0xf0], "f2xm1"); test_display(&[0xd9, 0xf1], "fyl2x"); test_display(&[0xd9, 0xf2], "fptan"); test_display(&[0xd9, 0xf3], "fpatan"); test_display(&[0xd9, 0xf4], "fxtract"); test_display(&[0xd9, 0xf5], "fprem1"); test_display(&[0xd9, 0xf6], "fdecstp"); test_display(&[0xd9, 0xf7], "fincstp"); test_display(&[0xd9, 0xf8], "fprem"); test_display(&[0xd9, 0xf9], "fyl2xp1"); test_display(&[0xd9, 0xfa], "fsqrt"); test_display(&[0xd9, 0xfb], "fsincos"); test_display(&[0xd9, 0xfc], "frndint"); test_display(&[0xd9, 0xfd], "fscale"); test_display(&[0xd9, 0xfe], "fsin"); test_display(&[0xd9, 0xff], "fcos"); // test_display(&[0xda, 0x03], "fiadd st, dword ptr [ebx]"); test_display(&[0xda, 0x03], "fiadd st(0), [ebx]"); // test_display(&[0xda, 0x0b], "fimul st, dword ptr [ebx]"); test_display(&[0xda, 0x0b], "fimul st(0), [ebx]"); // test_display(&[0xda, 0x13], "ficom st, dword ptr [ebx]"); test_display(&[0xda, 0x13], "ficom st(0), [ebx]"); // test_display(&[0xda, 0x1b], "ficomp st, dword ptr [ebx]"); test_display(&[0xda, 0x1b], "ficomp st(0), [ebx]"); // test_display(&[0xda, 0x23], "fisub st, dword ptr [ebx]"); test_display(&[0xda, 0x23], "fisub st(0), [ebx]"); // test_display(&[0xda, 0x2b], "fisubr st, dword ptr [ebx]"); test_display(&[0xda, 0x2b], "fisubr st(0), [ebx]"); // test_display(&[0xda, 0x33], "fidiv st, dword ptr [ebx]"); test_display(&[0xda, 0x33], "fidiv st(0), [ebx]"); // test_display(&[0xda, 0x3b], "fidivr st, dword ptr [ebx]"); test_display(&[0xda, 0x3b], "fidivr st(0), [ebx]"); // test_display(&[0xda, 0xc3], "fcmovb st, st(3)"); test_display(&[0xda, 0xc3], "fcmovb st(0), st(3)"); // test_display(&[0xda, 0xcb], "fcmove st, st(3)"); test_display(&[0xda, 0xcb], "fcmove st(0), st(3)"); // test_display(&[0xda, 0xd3], "fcmovbe st, st(3)"); test_display(&[0xda, 0xd3], "fcmovbe st(0), st(3)"); // test_display(&[0xda, 0xdb], "fcmovu st, st(3)"); test_display(&[0xda, 0xdb], "fcmovu st(0), st(3)"); test_invalid(&[0xda, 0xe0]); test_invalid(&[0xda, 0xe1]); test_invalid(&[0xda, 0xe2]); test_invalid(&[0xda, 0xe3]); test_invalid(&[0xda, 0xe4]); test_invalid(&[0xda, 0xe5]); test_invalid(&[0xda, 0xe6]); test_invalid(&[0xda, 0xe7]); test_invalid(&[0xda, 0xe8]); test_display(&[0xda, 0xe9], "fucompp"); test_invalid(&[0xda, 0xea]); test_invalid(&[0xda, 0xeb]); test_invalid(&[0xda, 0xec]); test_invalid(&[0xda, 0xed]); test_invalid(&[0xda, 0xee]); test_invalid(&[0xda, 0xef]); test_invalid(&[0xda, 0xf0]); test_invalid(&[0xda, 0xf1]); test_invalid(&[0xda, 0xf2]); test_invalid(&[0xda, 0xf3]); test_invalid(&[0xda, 0xf4]); test_invalid(&[0xda, 0xf5]); test_invalid(&[0xda, 0xf6]); test_invalid(&[0xda, 0xf7]); test_invalid(&[0xda, 0xf8]); test_invalid(&[0xda, 0xf9]); test_invalid(&[0xda, 0xfa]); test_invalid(&[0xda, 0xfb]); test_invalid(&[0xda, 0xfc]); test_invalid(&[0xda, 0xfd]); test_invalid(&[0xda, 0xfe]); test_invalid(&[0xda, 0xff]); // test_display(&[0xdb, 0x03], "fild st, dword ptr [ebx]"); test_display(&[0xdb, 0x03], "fild st(0), [ebx]"); // test_display(&[0xdb, 0x0b], "fisttp dword ptr [ebx], st"); test_display(&[0xdb, 0x0b], "fisttp [ebx], st(0)"); // test_display(&[0xdb, 0x13], "fist dword ptr [ebx], st"); test_display(&[0xdb, 0x13], "fist [ebx], st(0)"); // test_display(&[0xdb, 0x1b], "fistp dword ptr [ebx], st"); test_display(&[0xdb, 0x1b], "fistp [ebx], st(0)"); test_invalid(&[0xdb, 0x20]); test_invalid(&[0xdb, 0x21]); test_invalid(&[0xdb, 0x22]); test_invalid(&[0xdb, 0x23]); test_invalid(&[0xdb, 0x24]); test_invalid(&[0xdb, 0x25]); test_invalid(&[0xdb, 0x26]); test_invalid(&[0xdb, 0x27]); // test_display(&[0xdb, 0x2b], "fld st, ptr [ebx]"); test_display(&[0xdb, 0x2b], "fld st(0), [ebx]"); test_invalid(&[0xdb, 0x30]); test_invalid(&[0xdb, 0x31]); test_invalid(&[0xdb, 0x32]); test_invalid(&[0xdb, 0x33]); test_invalid(&[0xdb, 0x34]); test_invalid(&[0xdb, 0x35]); test_invalid(&[0xdb, 0x36]); test_invalid(&[0xdb, 0x37]); // test_display(&[0xdb, 0x3b], "fstp ptr [ebx], st"); test_display(&[0xdb, 0x3b], "fstp [ebx], st(0)"); // test_display(&[0xdb, 0xc3], "fcmovnb st, st(3)"); test_display(&[0xdb, 0xc3], "fcmovnb st(0), st(3)"); // test_display(&[0xdb, 0xcb], "fcmovne st, st(3)"); test_display(&[0xdb, 0xcb], "fcmovne st(0), st(3)"); // test_display(&[0xdb, 0xd3], "fcmovnbe st, st(3)"); test_display(&[0xdb, 0xd3], "fcmovnbe st(0), st(3)"); // test_display(&[0xdb, 0xdb], "fcmovnu st, st(3)"); test_display(&[0xdb, 0xdb], "fcmovnu st(0), st(3)"); test_display(&[0xdb, 0xe0], "feni8087_nop"); test_display(&[0xdb, 0xe1], "fdisi8087_nop"); test_display(&[0xdb, 0xe2], "fnclex"); test_display(&[0xdb, 0xe3], "fninit"); test_display(&[0xdb, 0xe4], "fsetpm287_nop"); test_invalid(&[0xdb, 0xe5]); test_invalid(&[0xdb, 0xe6]); test_invalid(&[0xdb, 0xe7]); // test_display(&[0xdb, 0xeb], "fucomi st, st(3)"); test_display(&[0xdb, 0xeb], "fucomi st(0), st(3)"); // test_display(&[0xdb, 0xf3], "fcomi st, st(3)"); test_display(&[0xdb, 0xf3], "fcomi st(0), st(3)"); test_invalid(&[0xdb, 0xf8]); test_invalid(&[0xdb, 0xf9]); test_invalid(&[0xdb, 0xfa]); test_invalid(&[0xdb, 0xfb]); test_invalid(&[0xdb, 0xfc]); test_invalid(&[0xdb, 0xfd]); test_invalid(&[0xdb, 0xfe]); test_invalid(&[0xdb, 0xff]); // test_display(&[0xdc, 0x03], "fadd st, qword ptr [ebx]"); test_display(&[0xdc, 0x03], "fadd st(0), [ebx]"); // test_display(&[0xdc, 0x0b], "fmul st, qword ptr [ebx]"); test_display(&[0xdc, 0x0b], "fmul st(0), [ebx]"); // test_display(&[0xdc, 0x13], "fcom st, qword ptr [ebx]"); test_display(&[0xdc, 0x13], "fcom st(0), [ebx]"); // test_display(&[0xdc, 0x1b], "fcomp st, qword ptr [ebx]"); test_display(&[0xdc, 0x1b], "fcomp st(0), [ebx]"); // test_display(&[0xdc, 0x23], "fsub st, qword ptr [ebx]"); test_display(&[0xdc, 0x23], "fsub st(0), [ebx]"); // test_display(&[0xdc, 0x2b], "fsubr st, qword ptr [ebx]"); test_display(&[0xdc, 0x2b], "fsubr st(0), [ebx]"); // test_display(&[0xdc, 0x33], "fdiv st, qword ptr [ebx]"); test_display(&[0xdc, 0x33], "fdiv st(0), [ebx]"); // test_display(&[0xdc, 0x3b], "fdivr st, qword ptr [ebx]"); test_display(&[0xdc, 0x3b], "fdivr st(0), [ebx]"); // test_display(&[0xdc, 0xc3], "fadd st(3), st"); test_display(&[0xdc, 0xc3], "fadd st(3), st(0)"); // test_display(&[0xdc, 0xcb], "fmul st(3), st"); test_display(&[0xdc, 0xcb], "fmul st(3), st(0)"); // test_display(&[0xdc, 0xd3], "fcom st, st(3)"); test_display(&[0xdc, 0xd3], "fcom st(0), st(3)"); // test_display(&[0xdc, 0xdb], "fcomp st, st(3)"); test_display(&[0xdc, 0xdb], "fcomp st(0), st(3)"); // test_display(&[0xdc, 0xe3], "fsubr st(3), st"); test_display(&[0xdc, 0xe3], "fsubr st(3), st(0)"); // test_display(&[0xdc, 0xeb], "fsub st(3), st"); test_display(&[0xdc, 0xeb], "fsub st(3), st(0)"); // test_display(&[0xdc, 0xf3], "fdivr st(3), st"); test_display(&[0xdc, 0xf3], "fdivr st(3), st(0)"); // test_display(&[0xdc, 0xfb], "fdiv st(3), st"); test_display(&[0xdc, 0xfb], "fdiv st(3), st(0)"); // test_display(&[0xdd, 0x03], "fld st, qword ptr [ebx]"); test_display(&[0xdd, 0x03], "fld st(0), [ebx]"); // test_display(&[0xdd, 0x0b], "fisttp qword ptr [ebx], st"); test_display(&[0xdd, 0x0b], "fisttp [ebx], st(0)"); // test_display(&[0xdd, 0x13], "fst qword ptr [ebx], st"); test_display(&[0xdd, 0x13], "fst [ebx], st(0)"); // test_display(&[0xdd, 0x1b], "fstp qword ptr [ebx], st"); test_display(&[0xdd, 0x1b], "fstp [ebx], st(0)"); // test_display(&[0xdd, 0x23], "frstor ptr [ebx]"); test_display(&[0xdd, 0x23], "frstor [ebx]"); test_invalid(&[0xdd, 0x28]); test_invalid(&[0xdd, 0x29]); test_invalid(&[0xdd, 0x2a]); test_invalid(&[0xdd, 0x2b]); test_invalid(&[0xdd, 0x2c]); test_invalid(&[0xdd, 0x2d]); test_invalid(&[0xdd, 0x2e]); test_invalid(&[0xdd, 0x2f]); // test_display(&[0xdd, 0x33], "fnsave ptr [ebx]"); test_display(&[0xdd, 0x33], "fnsave [ebx]"); // test_display(&[0xdd, 0x3b], "fnstsw word ptr [ebx]"); test_display(&[0xdd, 0x3b], "fnstsw [ebx]"); test_display(&[0xdd, 0xc3], "ffree st(3)"); // test_display(&[0xdd, 0xcb], "fxch st, st(3)"); test_display(&[0xdd, 0xcb], "fxch st(0), st(3)"); // test_display(&[0xdd, 0xd3], "fst st(3), st"); test_display(&[0xdd, 0xd3], "fst st(3), st(0)"); // test_display(&[0xdd, 0xdb], "fstp st(3), st"); test_display(&[0xdd, 0xdb], "fstp st(3), st(0)"); // test_display(&[0xdd, 0xe3], "fucom st, st(3)"); test_display(&[0xdd, 0xe3], "fucom st(0), st(3)"); // test_display(&[0xdd, 0xeb], "fucomp st, st(3)"); test_display(&[0xdd, 0xeb], "fucomp st(0), st(3)"); test_invalid(&[0xdd, 0xf0]); test_invalid(&[0xdd, 0xf1]); test_invalid(&[0xdd, 0xf2]); test_invalid(&[0xdd, 0xf3]); test_invalid(&[0xdd, 0xf4]); test_invalid(&[0xdd, 0xf5]); test_invalid(&[0xdd, 0xf6]); test_invalid(&[0xdd, 0xf7]); test_invalid(&[0xdd, 0xf8]); test_invalid(&[0xdd, 0xf9]); test_invalid(&[0xdd, 0xfa]); test_invalid(&[0xdd, 0xfb]); test_invalid(&[0xdd, 0xfc]); test_invalid(&[0xdd, 0xfd]); test_invalid(&[0xdd, 0xfe]); test_invalid(&[0xdd, 0xff]); // test_display(&[0xde, 0x03], "fiadd st, word ptr [ebx]"); test_display(&[0xde, 0x03], "fiadd st(0), [ebx]"); // test_display(&[0xde, 0x0b], "fimul st, word ptr [ebx]"); test_display(&[0xde, 0x0b], "fimul st(0), [ebx]"); // test_display(&[0xde, 0x13], "ficom st, word ptr [ebx]"); test_display(&[0xde, 0x13], "ficom st(0), [ebx]"); // test_display(&[0xde, 0x1b], "ficomp st, word ptr [ebx]"); test_display(&[0xde, 0x1b], "ficomp st(0), [ebx]"); // test_display(&[0xde, 0x23], "fisub st, word ptr [ebx]"); test_display(&[0xde, 0x23], "fisub st(0), [ebx]"); // test_display(&[0xde, 0x2b], "fisubr st, word ptr [ebx]"); test_display(&[0xde, 0x2b], "fisubr st(0), [ebx]"); // test_display(&[0xde, 0x33], "fidiv st, word ptr [ebx]"); test_display(&[0xde, 0x33], "fidiv st(0), [ebx]"); // test_display(&[0xde, 0x3b], "fidivr st, word ptr [ebx]"); test_display(&[0xde, 0x3b], "fidivr st(0), [ebx]"); // test_display(&[0xde, 0xc3], "faddp st(3), st"); test_display(&[0xde, 0xc3], "faddp st(3), st(0)"); // test_display(&[0xde, 0xcb], "fmulp st(3), st"); test_display(&[0xde, 0xcb], "fmulp st(3), st(0)"); // test_display(&[0xde, 0xd3], "fcomp st, st(3)"); test_display(&[0xde, 0xd3], "fcomp st(0), st(3)"); test_invalid(&[0xde, 0xd8]); test_display(&[0xde, 0xd9], "fcompp"); test_invalid(&[0xde, 0xda]); test_invalid(&[0xde, 0xdb]); test_invalid(&[0xde, 0xdc]); test_invalid(&[0xde, 0xdd]); test_invalid(&[0xde, 0xde]); test_invalid(&[0xde, 0xdf]); // test_display(&[0xde, 0xe3], "fsubrp st(3), st"); test_display(&[0xde, 0xe3], "fsubrp st(3), st(0)"); // test_display(&[0xde, 0xeb], "fsubp st(3), st"); test_display(&[0xde, 0xeb], "fsubp st(3), st(0)"); // test_display(&[0xde, 0xf3], "fdivrp st(3), st"); test_display(&[0xde, 0xf3], "fdivrp st(3), st(0)"); // test_display(&[0xde, 0xfb], "fdivp st(3), st"); test_display(&[0xde, 0xfb], "fdivp st(3), st(0)"); // test_display(&[0xdf, 0x03], "fild st, word ptr [ebx]"); test_display(&[0xdf, 0x03], "fild st(0), [ebx]"); // test_display(&[0xdf, 0x0b], "fisttp word ptr [ebx], st"); test_display(&[0xdf, 0x0b], "fisttp [ebx], st(0)"); // test_display(&[0xdf, 0x13], "fist word ptr [ebx], st"); test_display(&[0xdf, 0x13], "fist [ebx], st(0)"); // test_display(&[0xdf, 0x1b], "fistp word ptr [ebx], st"); test_display(&[0xdf, 0x1b], "fistp [ebx], st(0)"); // test_display(&[0xdf, 0x23], "fbld st, ptr [ebx]"); test_display(&[0xdf, 0x23], "fbld st(0), [ebx]"); // test_display(&[0xdf, 0x2b], "fild st, qword ptr [ebx]"); test_display(&[0xdf, 0x2b], "fild st(0), [ebx]"); // test_display(&[0xdf, 0x33], "fbstp ptr [ebx], st"); test_display(&[0xdf, 0x33], "fbstp [ebx], st(0)"); // test_display(&[0xdf, 0x3b], "fistp qword ptr [ebx], st"); test_display(&[0xdf, 0x3b], "fistp [ebx], st(0)"); // test_display(&[0xdf, 0xc3], "ffreep st(3)"); test_display(&[0xdf, 0xc3], "ffreep st(3)"); // test_display(&[0xdf, 0xcb], "fxch st, st(3)"); test_display(&[0xdf, 0xcb], "fxch st(0), st(3)"); // test_display(&[0xdf, 0xd3], "fstp st(3), st"); test_display(&[0xdf, 0xd3], "fstp st(3), st(0)"); // test_display(&[0xdf, 0xdb], "fstp st(3), st"); test_display(&[0xdf, 0xdb], "fstp st(3), st(0)"); test_display(&[0xdf, 0xe0], "fnstsw ax"); test_invalid(&[0xdf, 0xe1]); test_invalid(&[0xdf, 0xe2]); test_invalid(&[0xdf, 0xe3]); test_invalid(&[0xdf, 0xe4]); test_invalid(&[0xdf, 0xe5]); test_invalid(&[0xdf, 0xe6]); test_invalid(&[0xdf, 0xe7]); // test_display(&[0xdf, 0xeb], "fucomip st, st(3)"); test_display(&[0xdf, 0xeb], "fucomip st(0), st(3)"); // test_display(&[0xdf, 0xf3], "fcomip st, st(3)"); test_display(&[0xdf, 0xf3], "fcomip st(0), st(3)"); test_invalid(&[0xdf, 0xf8]); test_invalid(&[0xdf, 0xf9]); test_invalid(&[0xdf, 0xfa]); test_invalid(&[0xdf, 0xfb]); test_invalid(&[0xdf, 0xfc]); test_invalid(&[0xdf, 0xfd]); test_invalid(&[0xdf, 0xfe]); test_invalid(&[0xdf, 0xff]); } #[test] fn test_mishegos_finds() { test_display(&[0x65, 0x67, 0x65, 0x65, 0x0f, 0x0e], "femms"); test_display(&[0x26, 0x66, 0x67, 0x0f, 0x38, 0xdf, 0xe4], "aesdeclast xmm4, xmm4"); test_display(&[0x65, 0x66, 0x66, 0x64, 0x0f, 0x38, 0xdb, 0x0f], "aesimc xmm1, fs:[edi]"); test_invalid(&[0xf3, 0xf2, 0x0f, 0xae, 0x8f, 0x54, 0x3c, 0x58, 0xb7]); /* test_display(&[652e662e0f3814ff], "blendvps"); test_display(&[66666565450f3acf2b4b], "gf2 "); */ // might just be yax trying to do a f20f decode when it should not be f2 // impossible instruction if operands could be read: lock is illegal here. // test_display(&[f06565f2640f16], "???"); // test_display(&[0x0f, 0x38, 0xf6, 0x8c, 0x98, 0x4d, 0x33, 0xf5, 0xd3, ], "wrssd"); test_display(&[0x26, 0x36, 0x0f, 0x0f, 0x70, 0xfb, 0x0c], "pi2fw mm6, ss:[eax - 0x5]"); test_display(&[0x0f, 0xc7, 0x0f], "cmpxchg8b [edi]"); test_display(&[0x66, 0x3e, 0x26, 0x2e, 0x2e, 0x0f, 0x38, 0x2a, 0x2b], "movntdqa xmm5, cs:[ebx]"); test_display(&[0x66, 0x2e, 0x67, 0x0f, 0x3a, 0x0d, 0xb8, 0xf0, 0x2f, 0x7c], "blendpd xmm7, cs:[bx + si + 0x2ff0], 0x7c"); test_display(&[0x66, 0x66, 0x64, 0x3e, 0x0f, 0x38, 0x23, 0x9d, 0x69, 0x0f, 0xa8, 0x2d], "pmovsxwd xmm3, [ebp + 0x2da80f69]"); test_display(&[0x2e, 0x66, 0x26, 0x64, 0x0f, 0x3a, 0x21, 0x0b, 0xb1], "insertps xmm1, fs:[ebx], -0x4f"); test_display(&[0x66, 0x26, 0x0f, 0x3a, 0x42, 0x96, 0x74, 0x29, 0x96, 0xf9, 0x6a], "mpsadbw xmm2, es:[esi - 0x669d68c], 0x6a"); test_display(&[0x67, 0x26, 0x66, 0x65, 0x0f, 0x38, 0x3f, 0x9d, 0xcc, 0x03], "pmaxud xmm3, gs:[di + 0x3cc]"); test_display(&[0x36, 0x36, 0x2e, 0x0f, 0x38, 0xf9, 0x55, 0x3e], "movdiri cs:[ebp + 0x3e], edx"); test_invalid(&[0x66, 0x2e, 0x64, 0x66, 0x0f, 0x38, 0xf8, 0xe2]); test_display(&[0x67, 0x66, 0x65, 0x3e, 0x0f, 0x6d, 0xd1], "punpckhqdq xmm2, xmm1"); test_display(&[0x2e, 0x66, 0x0f, 0x3a, 0x0d, 0x40, 0x2d, 0x57], "blendpd xmm0, cs:[eax + 0x2d], 0x57"); test_display(&[0xf2, 0x3e, 0x26, 0x67, 0x0f, 0xf0, 0xa0, 0x1b, 0x5f], "lddqu xmm4, es:[bx + si + 0x5f1b]"); test_display(&[0x2e, 0x3e, 0x66, 0x3e, 0x0f, 0x3a, 0x41, 0x30, 0x48], "dppd xmm6, [eax], 0x48"); test_display(&[0x2e, 0x36, 0x0f, 0x18, 0xe7], "nop edi"); test_display(&[0x65, 0xf0, 0x87, 0x0f], "lock xchg gs:[edi], ecx"); test_display(&[0x66, 0x0f, 0x3a, 0x44, 0x88, 0xb3, 0xad, 0x26, 0x35, 0x75], "pclmulqdq xmm1, [eax + 0x3526adb3], 0x75"); test_display(&[0x0f, 0xff, 0x6b, 0xac], "ud0 ebp, [ebx - 0x54]"); test_display(&[0xf2, 0xf2, 0x2e, 0x36, 0x0f, 0x38, 0xf8, 0x83, 0x09, 0x1c, 0x9d, 0x3f], "enqcmd eax, ss:[ebx + 0x3f9d1c09]"); test_display(&[0x3e, 0x64, 0xf3, 0x64, 0x0f, 0x38, 0xf8, 0x72, 0x54], "enqcmds esi, fs:[edx + 0x54]"); test_invalid(&[0xf3, 0x0f, 0x38, 0xf8, 0xf3]); test_display(&[0xf3, 0x64, 0x2e, 0x65, 0x0f, 0x38, 0xdc, 0xe8], "loadiwkey xmm5, xmm0"); test_invalid(&[0xf3, 0x2e, 0x0f, 0x6a, 0x18]); } #[test] fn test_cet() { // see // https://software.intel.com/sites/default/files/managed/4d/2a/control-flow-enforcement-technology-preview.pdf // includes encodings: // wruss{d,q} 066 f 38 f5 // wrss{d,q} 0f 38 f6 // rstorssp f3 0f 01 /5 // saveprevssp f3 0f 01 ea // rdssp{d,q} f3 0f 1e // incssp{d,q} f3 0f ae /5 // test_display(&[0x0f, 0x38, 0xf6, 0x8c, 0x98, 0x4d, 0x33, 0xf5, 0xd3, ], "wrssd [eax + ebx * 4 - 0x2c0accb3], ecx"); // setssbsy f3 0f 01 e8 // clrssbsy f3 0f ae /6 // endbr64 f3 0f ae fa // endbr32 f3 0f ae fb test_display(&[0xf3, 0x0f, 0xae, 0xe9], "incssp ecx"); test_display(&[0x3e, 0x0f, 0x38, 0xf6, 0x23], "wrss [ebx], esp"); test_display(&[0x66, 0x0f, 0x38, 0xf5, 0x47, 0xe9], "wruss [edi - 0x17], eax"); test_invalid(&[0x0f, 0x38, 0xf5, 0x47, 0xe9]); test_invalid(&[0x66, 0x3e, 0x65, 0x3e, 0x0f, 0x38, 0xf5, 0xf0]); test_display(&[0xf3, 0x0f, 0x01, 0xe8], "setssbsy"); test_display(&[0xf3, 0x0f, 0x01, 0xea], "saveprevssp"); test_display(&[0x66, 0xf3, 0x0f, 0x01, 0xe8], "setssbsy"); test_display(&[0x66, 0xf3, 0x0f, 0x01, 0xea], "saveprevssp"); test_display(&[0xf3, 0x66, 0x0f, 0x01, 0xe8], "setssbsy"); test_display(&[0xf3, 0x66, 0x0f, 0x01, 0xea], "saveprevssp"); test_display(&[0xf3, 0x0f, 0x01, 0x29], "rstorssp [ecx]"); test_display(&[0xf3, 0x66, 0x0f, 0x01, 0x29], "rstorssp [ecx]"); test_display(&[0xf3, 0x0f, 0xae, 0x30], "clrssbsy [eax]"); } #[test] fn test_sse4a() { fn test_instr(bytes: &[u8], text: &'static str) { test_display_under(&InstDecoder::minimal().with_sse4a(), bytes, text); test_display_under(&InstDecoder::default(), bytes, text); test_invalid_under(&InstDecoder::minimal(), bytes); } test_instr(&[0xf2, 0x0f, 0x2b, 0x06], "movntsd [esi], xmm0"); test_invalid(&[0xf2, 0x0f, 0x2b, 0xc6]); test_instr(&[0xf3, 0x0f, 0x2b, 0x06], "movntss [esi], xmm0"); test_invalid(&[0xf3, 0x0f, 0xba, 0xc6]); test_instr(&[0x66, 0xf2, 0x0f, 0x79, 0xcf], "insertq xmm1, xmm7"); test_invalid(&[0x66, 0xf2, 0x0f, 0x79, 0x0f]); test_instr(&[0xf2, 0x0f, 0x79, 0xcf], "insertq xmm1, xmm7"); test_instr(&[0xf2, 0x0f, 0x78, 0xf1, 0x4e, 0x76], "insertq xmm6, xmm1, 0x4e, 0x76"); test_invalid(&[0xf2, 0x0f, 0x79, 0x0f]); test_instr(&[0x66, 0x0f, 0x79, 0xcf], "extrq xmm1, xmm7"); test_invalid(&[0x66, 0x0f, 0x79, 0x0f]); test_instr(&[0x66, 0x0f, 0x78, 0xc1, 0x4e, 0x76], "extrq xmm1, 0x4e, 0x76"); test_invalid(&[0x66, 0x0f, 0x78, 0xc9, 0x4e, 0x76]); } #[test] fn test_3dnow() { test_display(&[0x0f, 0x0f, 0xe0, 0x8a], "pfnacc mm4, mm0"); test_display(&[0x0f, 0x0f, 0x38, 0x8e], "pfpnacc mm7, [eax]"); test_display(&[0x65, 0x67, 0x65, 0x65, 0x0f, 0x0e], "femms"); test_display(&[0x3e, 0xf3, 0x2e, 0xf2, 0x0f, 0x0f, 0x64, 0x93, 0x93, 0xa4], "pfmax mm4, cs:[ebx + edx * 4 - 0x6d]"); test_display(&[0x26, 0x36, 0x0f, 0x0f, 0x70, 0xfb, 0x0c], "pi2fw mm6, ss:[eax - 0x5]"); test_display(&[0x66, 0x0f, 0x0f, 0xc6, 0xb7], "pmulhrw mm0, mm6"); test_display(&[0x0f, 0x0f, 0xc6, 0xb7], "pmulhrw mm0, mm6"); } // first appeared in tremont #[test] fn test_direct_stores() { test_display(&[0x36, 0x36, 0x2e, 0x0f, 0x38, 0xf9, 0x55, 0x3e, ], "movdiri cs:[ebp + 0x3e], edx"); test_invalid(&[0x36, 0x26, 0x66, 0x0f, 0x38, 0xf8, 0xad, 0x0b, 0x08, 0x29, 0x07]); } #[test] fn test_key_locker() { test_display(&[0xf3, 0x64, 0x2e, 0x65, 0x0f, 0x38, 0xdc, 0xe8], "loadiwkey xmm5, xmm0"); test_display(&[0xf3, 0x0f, 0x38, 0xfa, 0xde], "encodekey128 ebx, esi"); test_display(&[0xf3, 0x0f, 0x38, 0xfb, 0xde], "encodekey256 ebx, esi"); } // these uinter test cases come from llvm: // https://reviews.llvm.org/differential/changeset/?ref=2226860 #[test] fn test_uintr() { test_display(&[0xf3, 0x0f, 0x01, 0xec], "uiret"); test_display(&[0xf3, 0x0f, 0x01, 0xed], "testui"); test_display(&[0xf3, 0x0f, 0x01, 0xee], "clui"); test_display(&[0xf3, 0x0f, 0x01, 0xef], "stui"); test_display(&[0xf3, 0x0f, 0xc7, 0xf0], "senduipi eax"); test_display(&[0xf3, 0x0f, 0xc7, 0xf2], "senduipi edx"); } // started shipping in sapphire rapids #[test] fn test_enqcmd() { test_display(&[0xf2, 0xf2, 0x2e, 0x36, 0x0f, 0x38, 0xf8, 0x83, 0x09, 0x1c, 0x9d, 0x3f], "enqcmd eax, ss:[ebx + 0x3f9d1c09]"); test_display(&[0x3e, 0x64, 0xf3, 0x64, 0x0f, 0x38, 0xf8, 0x72, 0x54], "enqcmds esi, fs:[edx + 0x54]"); } #[test] fn test_gfni() { test_display(&[0x3e, 0x64, 0x64, 0x66, 0x0f, 0x3a, 0xcf, 0xba, 0x13, 0x23, 0x04, 0xba, 0x6b], "gf2p8affineinvqb xmm7, fs:[edx - 0x45fbdced], 0x6b"); test_display(&[0x66, 0x36, 0x0f, 0x3a, 0xce, 0x8c, 0x56, 0x9e, 0x82, 0xd1, 0xbe, 0xad], "gf2p8affineqb xmm1, ss:[esi + edx * 2 - 0x412e7d62], 0xad"); test_display(&[0x66, 0x0f, 0x38, 0xcf, 0x1c, 0x54], "gf2p8mulb xmm3, [esp + edx * 2]"); } #[test] fn test_tdx() { test_display(&[0x66, 0x0f, 0x01, 0xcc], "tdcall"); test_display(&[0x66, 0x0f, 0x01, 0xcd], "seamret"); test_display(&[0x66, 0x0f, 0x01, 0xce], "seamops"); test_display(&[0x66, 0x0f, 0x01, 0xcf], "seamcall"); } #[test] fn test_tsxldtrk() { test_display(&[0xf2, 0x0f, 0x01, 0xe8], "xsusldtrk"); test_display(&[0xf2, 0x0f, 0x01, 0xe9], "xresldtrk"); }