1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include <stdint.h> 18 19 #include "art_method-inl.h" 20 #include "base/callee_save_type.h" 21 #include "common_runtime_test.h" 22 #include "quick/quick_method_frame_info.h" 23 24 25 // asm_support.h declares tests next to the #defines. We use asm_support_check.h to (safely) 26 // generate CheckAsmSupportOffsetsAndSizes using gtest's EXPECT for the tests. We also use the 27 // RETURN_TYPE, HEADER and FOOTER defines from asm_support_check.h to try to ensure that any 28 // tests are actually generated. 29 30 // Let CheckAsmSupportOffsetsAndSizes return a size_t (the count). 31 #define ASM_SUPPORT_CHECK_RETURN_TYPE size_t 32 33 // Declare the counter that will be updated per test. 34 #define ASM_SUPPORT_CHECK_HEADER size_t count = 0; 35 36 // Use EXPECT_EQ for tests, and increment the counter. 37 #define ADD_TEST_EQ(x, y) EXPECT_EQ(x, y); count++; 38 39 // Return the counter at the end of CheckAsmSupportOffsetsAndSizes. 40 #define ASM_SUPPORT_CHECK_FOOTER return count; 41 42 // Generate CheckAsmSupportOffsetsAndSizes(). 43 #include "asm_support_check.h" 44 45 namespace art { 46 47 class ArchTest : public CommonRuntimeTest { 48 protected: 49 void SetUpRuntimeOptions(RuntimeOptions *options) OVERRIDE { 50 // Use 64-bit ISA for runtime setup to make method size potentially larger 51 // than necessary (rather than smaller) during CreateCalleeSaveMethod 52 options->push_back(std::make_pair("imageinstructionset", "x86_64")); 53 } 54 55 // Do not do any of the finalization. We don't want to run any code, we don't need the heap 56 // prepared, it actually will be a problem with setting the instruction set to x86_64 in 57 // SetUpRuntimeOptions. 58 void FinalizeSetup() OVERRIDE { 59 ASSERT_EQ(InstructionSet::kX86_64, Runtime::Current()->GetInstructionSet()); 60 } 61 62 static void CheckFrameSize(InstructionSet isa, CalleeSaveType type, uint32_t save_size) 63 NO_THREAD_SAFETY_ANALYSIS { 64 Runtime* const runtime = Runtime::Current(); 65 Thread* const self = Thread::Current(); 66 ScopedObjectAccess soa(self); // So we can create callee-save methods. 67 68 runtime->SetInstructionSet(isa); 69 ArtMethod* save_method = runtime->CreateCalleeSaveMethod(); 70 runtime->SetCalleeSaveMethod(save_method, type); 71 QuickMethodFrameInfo frame_info = runtime->GetRuntimeMethodFrameInfo(save_method); 72 EXPECT_EQ(frame_info.FrameSizeInBytes(), save_size) << "Expected and real size differs for " 73 << type << " core spills=" << std::hex << frame_info.CoreSpillMask() << " fp spills=" 74 << frame_info.FpSpillMask() << std::dec; 75 } 76 }; 77 78 TEST_F(ArchTest, CheckCommonOffsetsAndSizes) { 79 size_t test_count = CheckAsmSupportOffsetsAndSizes(); 80 EXPECT_GT(test_count, 0u); 81 } 82 83 // Grab architecture specific constants. 84 namespace arm { 85 #include "arch/arm/asm_support_arm.h" 86 static constexpr size_t kFrameSizeSaveAllCalleeSaves = FRAME_SIZE_SAVE_ALL_CALLEE_SAVES; 87 #undef FRAME_SIZE_SAVE_ALL_CALLEE_SAVES 88 static constexpr size_t kFrameSizeSaveRefsOnly = FRAME_SIZE_SAVE_REFS_ONLY; 89 #undef FRAME_SIZE_SAVE_REFS_ONLY 90 static constexpr size_t kFrameSizeSaveRefsAndArgs = FRAME_SIZE_SAVE_REFS_AND_ARGS; 91 #undef FRAME_SIZE_SAVE_REFS_AND_ARGS 92 static constexpr size_t kFrameSizeSaveEverything = FRAME_SIZE_SAVE_EVERYTHING; 93 #undef FRAME_SIZE_SAVE_EVERYTHING 94 #undef BAKER_MARK_INTROSPECTION_FIELD_LDR_NARROW_ENTRYPOINT_OFFSET 95 #undef BAKER_MARK_INTROSPECTION_GC_ROOT_LDR_WIDE_ENTRYPOINT_OFFSET 96 #undef BAKER_MARK_INTROSPECTION_GC_ROOT_LDR_NARROW_ENTRYPOINT_OFFSET 97 #undef BAKER_MARK_INTROSPECTION_ARRAY_SWITCH_OFFSET 98 #undef BAKER_MARK_INTROSPECTION_FIELD_LDR_WIDE_OFFSET 99 #undef BAKER_MARK_INTROSPECTION_FIELD_LDR_NARROW_OFFSET 100 #undef BAKER_MARK_INTROSPECTION_ARRAY_LDR_OFFSET 101 #undef BAKER_MARK_INTROSPECTION_GC_ROOT_LDR_WIDE_OFFSET 102 #undef BAKER_MARK_INTROSPECTION_GC_ROOT_LDR_NARROW_OFFSET 103 } // namespace arm 104 105 namespace arm64 { 106 #include "arch/arm64/asm_support_arm64.h" 107 static constexpr size_t kFrameSizeSaveAllCalleeSaves = FRAME_SIZE_SAVE_ALL_CALLEE_SAVES; 108 #undef FRAME_SIZE_SAVE_ALL_CALLEE_SAVES 109 static constexpr size_t kFrameSizeSaveRefsOnly = FRAME_SIZE_SAVE_REFS_ONLY; 110 #undef FRAME_SIZE_SAVE_REFS_ONLY 111 static constexpr size_t kFrameSizeSaveRefsAndArgs = FRAME_SIZE_SAVE_REFS_AND_ARGS; 112 #undef FRAME_SIZE_SAVE_REFS_AND_ARGS 113 static constexpr size_t kFrameSizeSaveEverything = FRAME_SIZE_SAVE_EVERYTHING; 114 #undef FRAME_SIZE_SAVE_EVERYTHING 115 #undef BAKER_MARK_INTROSPECTION_ARRAY_SWITCH_OFFSET 116 #undef BAKER_MARK_INTROSPECTION_GC_ROOT_ENTRYPOINT_OFFSET 117 #undef BAKER_MARK_INTROSPECTION_FIELD_LDR_OFFSET 118 #undef BAKER_MARK_INTROSPECTION_ARRAY_LDR_OFFSET 119 #undef BAKER_MARK_INTROSPECTION_GC_ROOT_LDR_OFFSET 120 } // namespace arm64 121 122 namespace mips { 123 #include "arch/mips/asm_support_mips.h" 124 static constexpr size_t kFrameSizeSaveAllCalleeSaves = FRAME_SIZE_SAVE_ALL_CALLEE_SAVES; 125 #undef FRAME_SIZE_SAVE_ALL_CALLEE_SAVES 126 static constexpr size_t kFrameSizeSaveRefsOnly = FRAME_SIZE_SAVE_REFS_ONLY; 127 #undef FRAME_SIZE_SAVE_REFS_ONLY 128 static constexpr size_t kFrameSizeSaveRefsAndArgs = FRAME_SIZE_SAVE_REFS_AND_ARGS; 129 #undef FRAME_SIZE_SAVE_REFS_AND_ARGS 130 static constexpr size_t kFrameSizeSaveEverything = FRAME_SIZE_SAVE_EVERYTHING; 131 #undef FRAME_SIZE_SAVE_EVERYTHING 132 } // namespace mips 133 134 namespace mips64 { 135 #include "arch/mips64/asm_support_mips64.h" 136 static constexpr size_t kFrameSizeSaveAllCalleeSaves = FRAME_SIZE_SAVE_ALL_CALLEE_SAVES; 137 #undef FRAME_SIZE_SAVE_ALL_CALLEE_SAVES 138 static constexpr size_t kFrameSizeSaveRefsOnly = FRAME_SIZE_SAVE_REFS_ONLY; 139 #undef FRAME_SIZE_SAVE_REFS_ONLY 140 static constexpr size_t kFrameSizeSaveRefsAndArgs = FRAME_SIZE_SAVE_REFS_AND_ARGS; 141 #undef FRAME_SIZE_SAVE_REFS_AND_ARGS 142 static constexpr size_t kFrameSizeSaveEverything = FRAME_SIZE_SAVE_EVERYTHING; 143 #undef FRAME_SIZE_SAVE_EVERYTHING 144 } // namespace mips64 145 146 namespace x86 { 147 #include "arch/x86/asm_support_x86.h" 148 static constexpr size_t kFrameSizeSaveAllCalleeSaves = FRAME_SIZE_SAVE_ALL_CALLEE_SAVES; 149 #undef FRAME_SIZE_SAVE_ALL_CALLEE_SAVES 150 static constexpr size_t kFrameSizeSaveRefsOnly = FRAME_SIZE_SAVE_REFS_ONLY; 151 #undef FRAME_SIZE_SAVE_REFS_ONLY 152 static constexpr size_t kFrameSizeSaveRefsAndArgs = FRAME_SIZE_SAVE_REFS_AND_ARGS; 153 #undef FRAME_SIZE_SAVE_REFS_AND_ARGS 154 static constexpr size_t kFrameSizeSaveEverything = FRAME_SIZE_SAVE_EVERYTHING; 155 #undef FRAME_SIZE_SAVE_EVERYTHING 156 } // namespace x86 157 158 namespace x86_64 { 159 #include "arch/x86_64/asm_support_x86_64.h" 160 static constexpr size_t kFrameSizeSaveAllCalleeSaves = FRAME_SIZE_SAVE_ALL_CALLEE_SAVES; 161 #undef FRAME_SIZE_SAVE_ALL_CALLEE_SAVES 162 static constexpr size_t kFrameSizeSaveRefsOnly = FRAME_SIZE_SAVE_REFS_ONLY; 163 #undef FRAME_SIZE_SAVE_REFS_ONLY 164 static constexpr size_t kFrameSizeSaveRefsAndArgs = FRAME_SIZE_SAVE_REFS_AND_ARGS; 165 #undef FRAME_SIZE_SAVE_REFS_AND_ARGS 166 static constexpr size_t kFrameSizeSaveEverything = FRAME_SIZE_SAVE_EVERYTHING; 167 #undef FRAME_SIZE_SAVE_EVERYTHING 168 } // namespace x86_64 169 170 // Check architecture specific constants are sound. 171 #define TEST_ARCH(Arch, arch) \ 172 TEST_F(ArchTest, Arch) { \ 173 CheckFrameSize(InstructionSet::k##Arch, \ 174 CalleeSaveType::kSaveAllCalleeSaves, \ 175 arch::kFrameSizeSaveAllCalleeSaves); \ 176 CheckFrameSize(InstructionSet::k##Arch, \ 177 CalleeSaveType::kSaveRefsOnly, \ 178 arch::kFrameSizeSaveRefsOnly); \ 179 CheckFrameSize(InstructionSet::k##Arch, \ 180 CalleeSaveType::kSaveRefsAndArgs, \ 181 arch::kFrameSizeSaveRefsAndArgs); \ 182 CheckFrameSize(InstructionSet::k##Arch, \ 183 CalleeSaveType::kSaveEverything, \ 184 arch::kFrameSizeSaveEverything); \ 185 } 186 TEST_ARCH(Arm, arm) 187 TEST_ARCH(Arm64, arm64) 188 TEST_ARCH(Mips, mips) 189 TEST_ARCH(Mips64, mips64) 190 TEST_ARCH(X86, x86) 191 TEST_ARCH(X86_64, x86_64) 192 193 } // namespace art 194
