iced/Iced.UnitTests/Intel/EncoderTests/BlockEncoderTest16_call.cs

/*
Copyright (C) 2018-2019 de4dot@gmail.com

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a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
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the following conditions:

The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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*/

#if !NO_ENCODER
using System;
using Iced.Intel;
using Xunit;

namespace Iced.UnitTests.Intel.EncoderTests {
	public sealed class BlockEncoderTest16_call : BlockEncoderTest {
		const int bitness = 16;
		const ulong origRip = 0x8000;
		const ulong newRip = 0xF000;

		[Fact]
		void Call_near_fwd() {
			var originalData = new byte[] {
				/*0000*/ 0xE8, 0x08, 0x00,// call 800Bh
				/*0003*/ 0xB0, 0x00,// mov al,0
				/*0005*/ 0x66, 0xB8, 0x78, 0x56, 0x34, 0x12,// mov eax,12345678h
				/*000B*/ 0x90,// nop
			};
			var newData = new byte[] {
				/*0000*/ 0xE8, 0x08, 0x00,// call 0F00Bh
				/*0003*/ 0xB0, 0x00,// mov al,0
				/*0005*/ 0x66, 0xB8, 0x78, 0x56, 0x34, 0x12,// mov eax,12345678h
				/*000B*/ 0x90,// nop
			};
			var expectedInstructionOffsets = new uint[] {
				0x0000,
				0x0003,
				0x0005,
				0x000B,
			};
			var expectedRelocInfos = Array.Empty<RelocInfo>();
			const BlockEncoderOptions options = BlockEncoderOptions.None;
			EncodeBase(bitness, origRip, originalData, newRip, newData, options, decoderOptions, expectedInstructionOffsets, expectedRelocInfos);
		}

		[Fact]
		void Call_near_bwd() {
			var originalData = new byte[] {
				/*0000*/ 0x90,// nop
				/*0001*/ 0xE8, 0xFC, 0xFF,// call 8000h
				/*0004*/ 0xB0, 0x00,// mov al,0
				/*0006*/ 0x66, 0xB8, 0x78, 0x56, 0x34, 0x12,// mov eax,12345678h
			};
			var newData = new byte[] {
				/*0000*/ 0x90,// nop
				/*0001*/ 0xE8, 0xFC, 0xFF,// call 0F000h
				/*0004*/ 0xB0, 0x00,// mov al,0
				/*0006*/ 0x66, 0xB8, 0x78, 0x56, 0x34, 0x12,// mov eax,12345678h
			};
			var expectedInstructionOffsets = new uint[] {
				0x0000,
				0x0001,
				0x0004,
				0x0006,
			};
			var expectedRelocInfos = Array.Empty<RelocInfo>();
			const BlockEncoderOptions options = BlockEncoderOptions.None;
			EncodeBase(bitness, origRip, originalData, newRip, newData, options, decoderOptions, expectedInstructionOffsets, expectedRelocInfos);
		}

		[Fact]
		void Call_near_other_near() {
			var originalData = new byte[] {
				/*0000*/ 0xE8, 0x08, 0x00,// call 800Bh
				/*0003*/ 0xB0, 0x00,// mov al,0
				/*0005*/ 0x66, 0xB8, 0x78, 0x56, 0x34, 0x12,// mov eax,12345678h
			};
			var newData = new byte[] {
				/*0000*/ 0xE8, 0x09, 0x00,// call 800Bh
				/*0003*/ 0xB0, 0x00,// mov al,0
				/*0005*/ 0x66, 0xB8, 0x78, 0x56, 0x34, 0x12,// mov eax,12345678h
			};
			var expectedInstructionOffsets = new uint[] {
				0x0000,
				0x0003,
				0x0005,
			};
			var expectedRelocInfos = Array.Empty<RelocInfo>();
			const BlockEncoderOptions options = BlockEncoderOptions.None;
			EncodeBase(bitness, origRip, originalData, origRip - 1, newData, options, decoderOptions, expectedInstructionOffsets, expectedRelocInfos);
		}

		[Fact]
		void Call_near_other_near_os() {
			var originalData = new byte[] {
				/*0000*/ 0x66, 0xE8, 0x08, 0x00, 0x00, 0x00,// call 0000800Eh
				/*0006*/ 0xB0, 0x00,// mov al,0
				/*0008*/ 0x66, 0xB8, 0x78, 0x56, 0x34, 0x12,// mov eax,12345678h
			};
			var newData = new byte[] {
				/*0000*/ 0x66, 0xE8, 0x08, 0x90, 0xFF, 0xFF,// call 0000800Eh
				/*0006*/ 0xB0, 0x00,// mov al,0
				/*0008*/ 0x66, 0xB8, 0x78, 0x56, 0x34, 0x12,// mov eax,12345678h
			};
			var expectedInstructionOffsets = new uint[] {
				0x0000,
				0x0006,
				0x0008,
			};
			var expectedRelocInfos = Array.Empty<RelocInfo>();
			const BlockEncoderOptions options = BlockEncoderOptions.None;
			EncodeBase(bitness, origRip, originalData, newRip, newData, options, decoderOptions, expectedInstructionOffsets, expectedRelocInfos);
		}
	}
}
#endif