1// Copyright 2019, VIXL authors 2// All rights reserved. 3// 4// Redistribution and use in source and binary forms, with or without 5// modification, are permitted provided that the following conditions are met: 6// 7// * Redistributions of source code must retain the above copyright notice, 8// this list of conditions and the following disclaimer. 9// * Redistributions in binary form must reproduce the above copyright notice, 10// this list of conditions and the following disclaimer in the documentation 11// and/or other materials provided with the distribution. 12// * Neither the name of ARM Limited nor the names of its contributors may be 13// used to endorse or promote products derived from this software without 14// specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS CONTRIBUTORS "AS IS" AND 17// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE 20// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 23// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 27#define TEST(name) TEST_(AARCH64_DISASM_##name) 28 29#define SETUP_COMMON() \ 30 MacroAssembler masm; \ 31 masm.GetCPUFeatures()->Combine(CPUFeatures::All()); \ 32 Decoder decoder; \ 33 Disassembler disasm; \ 34 decoder.AppendVisitor(&disasm) 35 36#ifdef VIXL_INCLUDE_SIMULATOR_AARCH64 37// Run tests with the simulator. 38#define SETUP() \ 39 SETUP_COMMON(); \ 40 masm.SetGenerateSimulatorCode(true) 41 42#else // ifdef VIXL_INCLUDE_SIMULATOR_AARCH64. 43#define SETUP() \ 44 SETUP_COMMON(); \ 45 masm.SetGenerateSimulatorCode(false) 46 47#endif // ifdef VIXL_INCLUDE_SIMULATOR_AARCH64. 48 49// A conservative limit for the size of the code that we generate in these 50// tests. 51#define MAX_SIZE_GENERATED 1024 52 53#define DISASSEMBLE() \ 54 do { \ 55 printf("----\n"); \ 56 PrintDisassembler print_disasm(stdout); \ 57 Instruction* dis_start = \ 58 masm.GetBuffer()->GetStartAddress<Instruction*>(); \ 59 Instruction* dis_end = masm.GetBuffer()->GetEndAddress<Instruction*>(); \ 60 print_disasm.DisassembleBuffer(dis_start, dis_end); \ 61 } while (0) 62 63#define COMPARE(ASM, EXP) \ 64 do { \ 65 masm.Reset(); \ 66 { \ 67 ExactAssemblyScope guard(&masm, \ 68 MAX_SIZE_GENERATED, \ 69 ExactAssemblyScope::kMaximumSize); \ 70 masm.ASM; \ 71 } \ 72 masm.FinalizeCode(); \ 73 decoder.Decode(masm.GetBuffer()->GetStartAddress<Instruction*>()); \ 74 uint32_t encoding = *masm.GetBuffer()->GetStartAddress<uint32_t*>(); \ 75 if (strcmp(disasm.GetOutput(), EXP) != 0) { \ 76 printf("\nEncoding: %08" PRIx32 "\nExpected: %s\nFound: %s\n", \ 77 encoding, \ 78 EXP, \ 79 disasm.GetOutput()); \ 80 abort(); \ 81 } \ 82 if (Test::disassemble()) DISASSEMBLE(); \ 83 } while (0) 84 85#define COMPARE_PREFIX(ASM, EXP) \ 86 do { \ 87 masm.Reset(); \ 88 { \ 89 ExactAssemblyScope guard(&masm, \ 90 MAX_SIZE_GENERATED, \ 91 ExactAssemblyScope::kMaximumSize); \ 92 masm.ASM; \ 93 } \ 94 masm.FinalizeCode(); \ 95 decoder.Decode(masm.GetBuffer()->GetStartAddress<Instruction*>()); \ 96 uint32_t encoding = *masm.GetBuffer()->GetStartAddress<uint32_t*>(); \ 97 if (strncmp(disasm.GetOutput(), EXP, strlen(EXP)) != 0) { \ 98 printf("\nEncoding: %08" PRIx32 "\nExpected: %s\nFound: %s\n", \ 99 encoding, \ 100 EXP, \ 101 disasm.GetOutput()); \ 102 abort(); \ 103 } \ 104 if (Test::disassemble()) DISASSEMBLE(); \ 105 } while (0) 106 107#define COMPARE_MACRO_BASE(ASM, EXP) \ 108 masm.Reset(); \ 109 masm.ASM; \ 110 masm.FinalizeCode(); \ 111 std::string res; \ 112 \ 113 Instruction* instruction = \ 114 masm.GetBuffer()->GetStartAddress<Instruction*>(); \ 115 Instruction* end = masm.GetCursorAddress<Instruction*>(); \ 116 while (instruction != end) { \ 117 decoder.Decode(instruction); \ 118 res.append(disasm.GetOutput()); \ 119 instruction = instruction->GetNextInstruction(); \ 120 if (instruction != end) { \ 121 res.append("\n"); \ 122 } \ 123 } 124 125#define COMPARE_MACRO(ASM, EXP) \ 126 do { \ 127 COMPARE_MACRO_BASE(ASM, EXP) \ 128 if (strcmp(res.c_str(), EXP) != 0) { \ 129 printf("Expected: %s\nFound: %s\n", EXP, res.c_str()); \ 130 abort(); \ 131 } \ 132 if (Test::disassemble()) DISASSEMBLE(); \ 133 } while (0) 134 135#define COMPARE_MACRO_PREFIX(ASM, EXP) \ 136 do { \ 137 COMPARE_MACRO_BASE(ASM, EXP) \ 138 if (strncmp(res.c_str(), EXP, strlen(EXP)) != 0) { \ 139 printf("Expected (prefix): %s\nFound: %s\n", EXP, res.c_str()); \ 140 abort(); \ 141 } \ 142 if (Test::disassemble()) DISASSEMBLE(); \ 143 } while (0) 144 145#define CLEANUP() 146