mirror of https://github.com/icedland/iced.git
242 lines
7.8 KiB
C#
242 lines
7.8 KiB
C#
/*
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Copyright (C) 2018-2019 de4dot@gmail.com
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#if !NO_ENCODER
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using System;
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using Iced.Intel;
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using Xunit;
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namespace Iced.UnitTests.Intel.EncoderTests {
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public sealed class BlockEncoderTest16_jmp : BlockEncoderTest {
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const int bitness = 16;
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const ulong origRip = 0x8000;
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const ulong newRip = 0xF000;
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[Fact]
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void Jmp_fwd() {
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var originalData = new byte[] {
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/*0000*/ 0xB0, 0x00,// mov al,0
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/*0002*/ 0xEB, 0x07,// jmp short 800Bh
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/*0004*/ 0xB0, 0x01,// mov al,1
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/*0006*/ 0xE9, 0x02, 0x00,// jmp near ptr 800Bh
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/*0009*/ 0xB0, 0x02,// mov al,2
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/*000B*/ 0x90,// nop
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};
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var newData = new byte[] {
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/*0000*/ 0xB0, 0x00,// mov al,0
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/*0002*/ 0xEB, 0x06,// jmp short 0F00Ah
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/*0004*/ 0xB0, 0x01,// mov al,1
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/*0006*/ 0xEB, 0x02,// jmp short 0F00Ah
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/*0008*/ 0xB0, 0x02,// mov al,2
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/*000A*/ 0x90,// nop
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};
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var expectedInstructionOffsets = new uint[] {
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0x0000,
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0x0002,
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0x0004,
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0x0006,
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0x0008,
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0x000A,
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};
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var expectedRelocInfos = Array.Empty<RelocInfo>();
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const BlockEncoderOptions options = BlockEncoderOptions.None;
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EncodeBase(bitness, origRip, originalData, newRip, newData, options, decoderOptions, expectedInstructionOffsets, expectedRelocInfos);
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}
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[Fact]
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void Jmp_bwd() {
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var originalData = new byte[] {
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/*0000*/ 0x90,// nop
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/*0001*/ 0xB0, 0x00,// mov al,0
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/*0003*/ 0xEB, 0xFB,// jmp short 8000h
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/*0005*/ 0xB0, 0x01,// mov al,1
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/*0007*/ 0xE9, 0xF6, 0xFF,// jmp near ptr 8000h
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/*000A*/ 0xB0, 0x02,// mov al,2
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};
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var newData = new byte[] {
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/*0000*/ 0x90,// nop
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/*0001*/ 0xB0, 0x00,// mov al,0
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/*0003*/ 0xEB, 0xFB,// jmp short 0F000h
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/*0005*/ 0xB0, 0x01,// mov al,1
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/*0007*/ 0xEB, 0xF7,// jmp short 0F000h
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/*0009*/ 0xB0, 0x02,// mov al,2
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};
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var expectedInstructionOffsets = new uint[] {
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0x0000,
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0x0001,
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0x0003,
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0x0005,
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0x0007,
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0x0009,
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};
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var expectedRelocInfos = Array.Empty<RelocInfo>();
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const BlockEncoderOptions options = BlockEncoderOptions.None;
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EncodeBase(bitness, origRip, originalData, newRip, newData, options, decoderOptions, expectedInstructionOffsets, expectedRelocInfos);
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}
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[Fact]
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void Jmp_other_short_os() {
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var originalData = new byte[] {
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/*0000*/ 0xB0, 0x00,// mov al,0
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/*0002*/ 0x66, 0xEB, 0x0A,// jmp short 0000800Fh
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/*0005*/ 0xB0, 0x01,// mov al,1
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/*0007*/ 0x66, 0xE9, 0x02, 0x00, 0x00, 0x00,// jmp near ptr 0000800Fh
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/*000D*/ 0xB0, 0x02,// mov al,2
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};
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var newData = new byte[] {
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/*0000*/ 0xB0, 0x00,// mov al,0
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/*0002*/ 0x66, 0xEB, 0x0B,// jmp short 0000800Fh
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/*0005*/ 0xB0, 0x01,// mov al,1
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/*0007*/ 0x66, 0xEB, 0x06,// jmp short 0000800Fh
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/*000A*/ 0xB0, 0x02,// mov al,2
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};
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var expectedInstructionOffsets = new uint[] {
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0x0000,
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0x0002,
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0x0005,
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0x0007,
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0x000A,
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};
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var expectedRelocInfos = Array.Empty<RelocInfo>();
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const BlockEncoderOptions options = BlockEncoderOptions.None;
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EncodeBase(bitness, origRip, originalData, origRip - 1, newData, options, decoderOptions, expectedInstructionOffsets, expectedRelocInfos);
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}
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[Fact]
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void Jmp_other_near_os() {
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var originalData = new byte[] {
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/*0000*/ 0xB0, 0x00,// mov al,0
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/*0002*/ 0x66, 0xEB, 0x0A,// jmp short 0000800Fh
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/*0005*/ 0xB0, 0x01,// mov al,1
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/*0007*/ 0x66, 0xE9, 0x02, 0x00, 0x00, 0x00,// jmp near ptr 0000800Fh
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/*000D*/ 0xB0, 0x02,// mov al,2
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};
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var newData = new byte[] {
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/*0000*/ 0xB0, 0x00,// mov al,0
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/*0002*/ 0x66, 0xE9, 0x07, 0xF0, 0xFF, 0xFF,// jmp near ptr 0000800Fh
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/*0008*/ 0xB0, 0x01,// mov al,1
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/*000A*/ 0x66, 0xE9, 0xFF, 0xEF, 0xFF, 0xFF,// jmp near ptr 0000800Fh
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/*0010*/ 0xB0, 0x02,// mov al,2
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};
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var expectedInstructionOffsets = new uint[] {
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0x0000,
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0x0002,
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0x0008,
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0x000A,
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0x0010,
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};
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var expectedRelocInfos = Array.Empty<RelocInfo>();
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const BlockEncoderOptions options = BlockEncoderOptions.None;
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EncodeBase(bitness, origRip, originalData, origRip + 0x1000, newData, options, decoderOptions, expectedInstructionOffsets, expectedRelocInfos);
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}
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[Fact]
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void Jmp_other_short() {
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var originalData = new byte[] {
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/*0000*/ 0xB0, 0x00,// mov al,0
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/*0002*/ 0xEB, 0x07,// jmp short 800Bh
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/*0004*/ 0xB0, 0x01,// mov al,1
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/*0006*/ 0xE9, 0x02, 0x00,// jmp near ptr 800Bh
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/*0009*/ 0xB0, 0x02,// mov al,2
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};
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var newData = new byte[] {
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/*0000*/ 0xB0, 0x00,// mov al,0
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/*0002*/ 0xEB, 0x08,// jmp short 800Bh
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/*0004*/ 0xB0, 0x01,// mov al,1
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/*0006*/ 0xEB, 0x04,// jmp short 800Bh
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/*0008*/ 0xB0, 0x02,// mov al,2
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};
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var expectedInstructionOffsets = new uint[] {
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0x0000,
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0x0002,
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0x0004,
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0x0006,
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0x0008,
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};
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var expectedRelocInfos = Array.Empty<RelocInfo>();
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const BlockEncoderOptions options = BlockEncoderOptions.None;
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EncodeBase(bitness, origRip, originalData, origRip - 1, newData, options, decoderOptions, expectedInstructionOffsets, expectedRelocInfos);
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}
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[Fact]
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void Jmp_other_near() {
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var originalData = new byte[] {
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/*0000*/ 0xB0, 0x00,// mov al,0
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/*0002*/ 0xEB, 0x07,// jmp short 800Bh
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/*0004*/ 0xB0, 0x01,// mov al,1
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/*0006*/ 0xE9, 0x02, 0x00,// jmp near ptr 800Bh
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/*0009*/ 0xB0, 0x02,// mov al,2
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};
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var newData = new byte[] {
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/*0000*/ 0xB0, 0x00,// mov al,0
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/*0002*/ 0xE9, 0x06, 0xF0,// jmp near ptr 800Bh
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/*0005*/ 0xB0, 0x01,// mov al,1
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/*0007*/ 0xE9, 0x01, 0xF0,// jmp near ptr 800Bh
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/*000A*/ 0xB0, 0x02,// mov al,2
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};
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var expectedInstructionOffsets = new uint[] {
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0x0000,
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0x0002,
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0x0005,
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0x0007,
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0x000A,
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};
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var expectedRelocInfos = Array.Empty<RelocInfo>();
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const BlockEncoderOptions options = BlockEncoderOptions.None;
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EncodeBase(bitness, origRip, originalData, origRip + 0x1000, newData, options, decoderOptions, expectedInstructionOffsets, expectedRelocInfos);
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}
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[Fact]
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void Jmp_fwd_no_opt() {
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var originalData = new byte[] {
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/*0000*/ 0xB0, 0x00,// mov al,0
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/*0002*/ 0xEB, 0x07,// jmp short 800Bh
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/*0004*/ 0xB0, 0x01,// mov al,1
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/*0006*/ 0xE9, 0x02, 0x00,// jmp near ptr 800Bh
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/*0009*/ 0xB0, 0x02,// mov al,2
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/*000B*/ 0x90,// nop
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};
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var newData = new byte[] {
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/*0000*/ 0xB0, 0x00,// mov al,0
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/*0002*/ 0xEB, 0x07,// jmp short 800Bh
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/*0004*/ 0xB0, 0x01,// mov al,1
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/*0006*/ 0xE9, 0x02, 0x00,// jmp near ptr 800Bh
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/*0009*/ 0xB0, 0x02,// mov al,2
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/*000B*/ 0x90,// nop
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};
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var expectedInstructionOffsets = new uint[] {
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0x0000,
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0x0002,
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0x0004,
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0x0006,
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0x0009,
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0x000B,
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};
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var expectedRelocInfos = Array.Empty<RelocInfo>();
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const BlockEncoderOptions options = BlockEncoderOptions.DontFixBranches;
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EncodeBase(bitness, origRip, originalData, newRip, newData, options, decoderOptions, expectedInstructionOffsets, expectedRelocInfos);
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}
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}
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}
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#endif
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