From 436c65e51f7e14201f902c57fb6a069860126477 Mon Sep 17 00:00:00 2001 From: iximeow Date: Fri, 13 Dec 2019 14:39:47 -0800 Subject: vex --- test/test.rs | 128 +++++++++++++++++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 120 insertions(+), 8 deletions(-) (limited to 'test') diff --git a/test/test.rs b/test/test.rs index cc865d9..8452e89 100644 --- a/test/test.rs +++ b/test/test.rs @@ -8,14 +8,26 @@ use yaxpeax_x86::{Instruction, InstDecoder, decode_one}; fn decode(bytes: &[u8]) -> Option { let mut instr = Instruction::invalid(); - match decode_one(bytes.iter().map(|x| *x).take(16).collect::>(), &mut instr) { + match decode_one(&InstDecoder::default(), bytes.iter().map(|x| *x).take(16).collect::>(), &mut instr) { + Some(()) => Some(instr), + None => None + } +} + +fn decode_as(decoder: &InstDecoder, bytes: &[u8]) -> Option { + let mut instr = Instruction::invalid(); + match decode_one(decoder, bytes.iter().map(|x| *x).take(16).collect::>(), &mut instr) { Some(()) => Some(instr), None => None } } fn test_invalid(data: &[u8]) { - if let Some(inst) = InstDecoder::default().decode(data.into_iter().cloned()) { + test_invalid_under(&InstDecoder::default(), data); +} + +fn test_invalid_under(decoder: &InstDecoder, data: &[u8]) { + if let Some(inst) = decoder.decode(data.into_iter().cloned()) { assert_eq!(inst.opcode, yaxpeax_x86::Opcode::Invalid); } else { // this is fine @@ -23,11 +35,15 @@ fn test_invalid(data: &[u8]) { } 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 InstDecoder::default().decode(data.into_iter().map(|x| *x)) { + match decoder.decode(data.into_iter().map(|x| *x)) { Some(instr) => { let text = format!("{}", instr); assert!( @@ -231,8 +247,16 @@ fn test_push_pop() { } #[test] +fn test_bmi1() { + let bmi1 = InstDecoder::default(); + let no_bmi1 = InstDecoder::default().without_bmi1(); + test_display_under(&bmi1, &[0x41, 0x0f, 0xbc, 0xd3], "tzcnt edx, r11d"); + test_display_under(&no_bmi1, &[0x41, 0x0f, 0xbc, 0xd3], "bsf edx, r11d"); +} + +#[test] fn test_bitwise() { - test_display(&[0x41, 0x0f, 0xbc, 0xd3], "bsf edx, r11d"); + test_display_under(&InstDecoder::minimal(), &[0x41, 0x0f, 0xbc, 0xd3], "bsf edx, r11d"); test_display(&[0x48, 0x0f, 0xa3, 0xd0], "bt rax, rdx"); test_display(&[0x48, 0x0f, 0xab, 0xd0], "bts rax, rdx"); } @@ -265,8 +289,96 @@ fn evex() { } #[test] -#[ignore] -fn vex() { +fn test_vex() { + test_display(&[0xc5, 0xf8, 0x10, 0x00], "vmovups xmm0, [rax]"); + test_display(&[0xc5, 0x78, 0x10, 0x0f], "vmovups xmm9, [rdi]"); + test_display(&[0xc5, 0xf8, 0x10, 0xcf], "vmovups xmm1, xmm7"); + test_display(&[0xc5, 0xf9, 0x10, 0x0f], "vmovupd xmm1, [rdi]"); + test_display(&[0xc5, 0xfa, 0x7e, 0x10], "vmovq xmm2, [rax]"); + test_display(&[0xc5, 0xfc, 0x10, 0x0f], "vmovups ymm1, [rdi]"); + test_display(&[0xc5, 0xfd, 0x10, 0x0f], "vmovupd ymm1, [rdi]"); + test_display(&[0xc5, 0xfe, 0x10, 0x0f], "vmovss ymm1, [rdi]"); + test_display(&[0xc5, 0xff, 0x10, 0xcf], "vmovsd xmm1, xmm0, xmm7"); + test_display(&[0xc5, 0xff, 0x10, 0x00], "vmovsd xmm0, [rax]"); + test_invalid(&[0x4f, 0xc5, 0xf8, 0x10, 0x00]); + test_invalid(&[0xf0, 0xc5, 0xf8, 0x10, 0x00]); + test_display(&[0xc4, 0x02, 0x71, 0x00, 0x00], "vpshufb xmm9, xmm1, [r8]"); + test_display(&[0xc4, 0x02, 0x75, 0x00, 0x00], "vpshufb ymm9, ymm1, [r8]"); + test_display(&[0xc4, 0x02, 0x71, 0x00, 0xcd], "vpshufb xmm9, xmm1, xmm13"); + test_display(&[0xc4, 0x02, 0x75, 0x00, 0xcd], "vpshufb ymm9, ymm1, ymm13"); + test_display(&[0xc4, 0x02, 0x71, 0x01, 0x00], "vphaddw xmm9, xmm1, [r8]"); + test_display(&[0xc4, 0x02, 0x75, 0x01, 0x00], "vphaddw ymm9, ymm1, [r8]"); + test_display(&[0xc4, 0x02, 0x71, 0x01, 0xcd], "vphaddw xmm9, xmm1, xmm13"); + test_display(&[0xc4, 0x02, 0x75, 0x01, 0xcd], "vphaddw ymm9, ymm1, ymm13"); + test_display(&[0xc4, 0x02, 0x71, 0x02, 0x00], "vphaddd xmm9, xmm1, [r8]"); + test_display(&[0xc4, 0x02, 0x75, 0x02, 0x00], "vphaddd ymm9, ymm1, [r8]"); + test_display(&[0xc4, 0x02, 0x71, 0x02, 0xcd], "vphaddd xmm9, xmm1, xmm13"); + test_display(&[0xc4, 0x02, 0x75, 0x02, 0xcd], "vphaddd ymm9, ymm1, ymm13"); + test_display(&[0xc4, 0x02, 0x71, 0x03, 0x00], "vphaddsw xmm9, xmm1, [r8]"); + test_display(&[0xc4, 0x02, 0x75, 0x03, 0x00], "vphaddsw ymm9, ymm1, [r8]"); + test_display(&[0xc4, 0x02, 0x71, 0x03, 0xcd], "vphaddsw xmm9, xmm1, xmm13"); + test_display(&[0xc4, 0x02, 0x75, 0x03, 0xcd], "vphaddsw ymm9, ymm1, ymm13"); + test_display(&[0xc4, 0x02, 0x71, 0x04, 0x00], "vphaddubsw xmm9, xmm1, [r8]"); + test_display(&[0xc4, 0x02, 0x75, 0x04, 0x00], "vphaddubsw ymm9, ymm1, [r8]"); + test_display(&[0xc4, 0x02, 0x71, 0x04, 0xcd], "vphaddubsw xmm9, xmm1, xmm13"); + test_display(&[0xc4, 0x02, 0x75, 0x04, 0xcd], "vphaddubsw ymm9, ymm1, ymm13"); + test_display(&[0xc4, 0x02, 0x71, 0x05, 0x00], "vphsubw xmm9, xmm1, [r8]"); + test_display(&[0xc4, 0x02, 0x75, 0x05, 0x00], "vphsubw ymm9, ymm1, [r8]"); + test_display(&[0xc4, 0x02, 0x71, 0x05, 0xcd], "vphsubw xmm9, xmm1, xmm13"); + test_display(&[0xc4, 0x02, 0x75, 0x05, 0xcd], "vphsubw ymm9, ymm1, ymm13"); + test_display(&[0xc4, 0x02, 0x71, 0x06, 0x00], "vphsubd xmm9, xmm1, [r8]"); + test_display(&[0xc4, 0x02, 0x75, 0x06, 0x00], "vphsubd ymm9, ymm1, [r8]"); + test_display(&[0xc4, 0x02, 0x71, 0x06, 0xcd], "vphsubd xmm9, xmm1, xmm13"); + test_display(&[0xc4, 0x02, 0x75, 0x06, 0xcd], "vphsubd ymm9, ymm1, ymm13"); + test_display(&[0xc4, 0x02, 0x71, 0x07, 0x00], "vphsubsw xmm9, xmm1, [r8]"); + test_display(&[0xc4, 0x02, 0x75, 0x07, 0x00], "vphsubsw ymm9, ymm1, [r8]"); + test_display(&[0xc4, 0x02, 0x71, 0x07, 0xcd], "vphsubsw xmm9, xmm1, xmm13"); + test_display(&[0xc4, 0x02, 0x75, 0x07, 0xcd], "vphsubsw ymm9, ymm1, ymm13"); + test_display(&[0xc4, 0x02, 0x71, 0x08, 0x00], "vpsignb xmm9, xmm1, [r8]"); + test_display(&[0xc4, 0x02, 0x75, 0x08, 0x00], "vpsignb ymm9, ymm1, [r8]"); + test_display(&[0xc4, 0x02, 0x71, 0x08, 0xcd], "vpsignb xmm9, xmm1, xmm13"); + test_display(&[0xc4, 0x02, 0x75, 0x08, 0xcd], "vpsignb ymm9, ymm1, ymm13"); + test_display(&[0xc4, 0x02, 0x71, 0x09, 0x00], "vpsignw xmm9, xmm1, [r8]"); + test_display(&[0xc4, 0x02, 0x75, 0x09, 0x00], "vpsignw ymm9, ymm1, [r8]"); + test_display(&[0xc4, 0x02, 0x71, 0x09, 0xcd], "vpsignw xmm9, xmm1, xmm13"); + test_display(&[0xc4, 0x02, 0x75, 0x09, 0xcd], "vpsignw ymm9, ymm1, ymm13"); + test_display(&[0xc4, 0x02, 0x71, 0x0a, 0x00], "vpsignd xmm9, xmm1, [r8]"); + test_display(&[0xc4, 0x02, 0x75, 0x0a, 0x00], "vpsignd ymm9, ymm1, [r8]"); + test_display(&[0xc4, 0x02, 0x71, 0x0a, 0xcd], "vpsignd xmm9, xmm1, xmm13"); + test_display(&[0xc4, 0x02, 0x75, 0x0a, 0xcd], "vpsignd ymm9, ymm1, ymm13"); + test_display(&[0xc4, 0x02, 0x71, 0x0b, 0x00], "vpmulhrsw xmm9, xmm1, [r8]"); + test_display(&[0xc4, 0x02, 0x75, 0x0b, 0x00], "vpmulhrsw ymm9, ymm1, [r8]"); + test_display(&[0xc4, 0x02, 0x71, 0x0b, 0xcd], "vpmulhrsw xmm9, xmm1, xmm13"); + test_display(&[0xc4, 0x02, 0x75, 0x0b, 0xcd], "vpmulhrsw ymm9, ymm1, ymm13"); + test_display(&[0xc4, 0x02, 0x71, 0x0c, 0x00], "vpermilps xmm9, xmm1, [r8]"); + test_display(&[0xc4, 0x02, 0x75, 0x0c, 0x00], "vpermilps ymm9, ymm1, [r8]"); + test_display(&[0xc4, 0x02, 0x71, 0x0c, 0xcd], "vpermilps xmm9, xmm1, xmm13"); + test_display(&[0xc4, 0x02, 0x75, 0x0c, 0xcd], "vpermilps ymm9, ymm1, ymm13"); + test_display(&[0xc4, 0x02, 0x71, 0x0d, 0x00], "vpermilpd xmm9, xmm1, [r8]"); + test_display(&[0xc4, 0x02, 0x75, 0x0d, 0x00], "vpermilpd ymm9, ymm1, [r8]"); + test_display(&[0xc4, 0x02, 0x71, 0x0d, 0xcd], "vpermilpd xmm9, xmm1, xmm13"); + test_display(&[0xc4, 0x02, 0x75, 0x0d, 0xcd], "vpermilpd ymm9, ymm1, ymm13"); + test_invalid(&[0xc4, 0x02, 0x71, 0x0e, 0x00]); + test_display(&[0xc4, 0x02, 0x79, 0x0e, 0x00], "vtestps xmm8, [r8]"); + test_display(&[0xc4, 0x02, 0x7d, 0x0e, 0x00], "vtestps ymm8, [r8]"); + test_display(&[0xc4, 0x02, 0x79, 0x0e, 0xcd], "vtestps xmm9, xmm13"); + test_display(&[0xc4, 0x02, 0x7d, 0x0e, 0xcd], "vtestps ymm9, ymm13"); + test_invalid(&[0xc4, 0x02, 0x71, 0x0f, 0x00]); + test_display(&[0xc4, 0x02, 0x79, 0x0f, 0x00], "vtestpd xmm8, [r8]"); + test_display(&[0xc4, 0x02, 0x7d, 0x0f, 0x00], "vtestpd ymm8, [r8]"); + test_display(&[0xc4, 0x02, 0x79, 0x0f, 0xcd], "vtestpd xmm9, xmm13"); + test_display(&[0xc4, 0x02, 0x7d, 0x0f, 0xcd], "vtestpd ymm9, ymm13"); + test_display(&[0xc4, 0xe2, 0x65, 0x90, 0x04, 0x51], "vpgatherdd ymm0, [rcx + ymm2 * 2], ymm3"); + test_display(&[0xc4, 0xe2, 0xe5, 0x90, 0x04, 0x51], "vpgatherdq ymm0, [rcx + ymm2 * 2], ymm3"); + test_display(&[0xc4, 0xe2, 0x65, 0x91, 0x04, 0x51], "vpgatherqd ymm0, [rcx + ymm2 * 2], ymm3"); + test_display(&[0xc4, 0xe2, 0xe5, 0x91, 0x04, 0x51], "vpgatherqq ymm0, [rcx + ymm2 * 2], ymm3"); + test_display(&[0xc4, 0x02, 0x09, 0x9d, 0xcd], "vfnmadd132ss xmm9, xmm14, xmm11"); + test_display(&[0xc4, 0x02, 0x89, 0x9d, 0xcd], "vfnmadd132ss xmm9, xmm14, xmm11"); +// ... + test_display(&[0xc4, 0xe3, 0x79, 0x14, 0x00, 0xd0], "vpextrb rax, xmm2, 0x0a"); + test_display(&[0xc4, 0xe3, 0x79, 0x14, 0x00, 0x0a], "vpextrb [rax], xmm2, 0x0a"); + test_invalid(&[0xc4, 0xe3, 0xf9, 0x14, 0x00, 0xd0]); + test_invalid(&[0xc4, 0xe3, 0xf9, 0x14, 0x00, 0x0a]); } #[test] @@ -293,13 +405,13 @@ fn prefixed_0f() { test_display(&[0x0f, 0x12, 0xcf], "movhlps xmm1, xmm7"); test_display(&[0x0f, 0x16, 0x0f], "movhps xmm1, [rdi]"); test_display(&[0x0f, 0x16, 0xcf], "movlhps xmm1, xmm7"); -// test_display(&[0x0f, 0x12, 0xc0], "movhlps xmm0, xmm0"); + test_display(&[0x0f, 0x12, 0xc0], "movhlps xmm0, xmm0"); test_invalid(&[0x0f, 0x13, 0xc0]); test_display(&[0x0f, 0x13, 0x00], "movlps [rax], xmm0"); test_display(&[0x0f, 0x14, 0x08], "unpcklps xmm1, [rax]"); test_display(&[0x0f, 0x15, 0x08], "unpckhps xmm1, [rax]"); test_display(&[0x0f, 0x16, 0x0f], "movhps xmm1, [rdi]"); -// test_display(&[0x0f, 0x16, 0xc0], "movlhps xmm0, xmm0"); + test_display(&[0x0f, 0x16, 0xc0], "movlhps xmm0, xmm0"); test_invalid(&[0x0f, 0x17, 0xc0]); test_display(&[0x0f, 0x17, 0x00], "movhps [rax], xmm0"); test_invalid(&[0x0f, 0x18, 0xc0]); -- cgit v1.1