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 // asm_support.h declares tests next to the #defines. We use asm_support_check.h to (safely) 25 // generate CheckAsmSupportOffsetsAndSizes using gtest's EXPECT for the tests. We also use the 26 // RETURN_TYPE, HEADER and FOOTER defines from asm_support_check.h to try to ensure that any 27 // tests are actually generated. 28 29 // Let CheckAsmSupportOffsetsAndSizes return a size_t (the count). 30 #define ASM_SUPPORT_CHECK_RETURN_TYPE size_t 31 32 // Declare the counter that will be updated per test. 33 #define ASM_SUPPORT_CHECK_HEADER size_t count = 0; 34 35 // Use EXPECT_EQ for tests, and increment the counter. 36 #define ADD_TEST_EQ(x, y) EXPECT_EQ(x, y); count++; 37 38 // Return the counter at the end of CheckAsmSupportOffsetsAndSizes. 39 #define ASM_SUPPORT_CHECK_FOOTER return count; 40 41 // Generate CheckAsmSupportOffsetsAndSizes(). 42 #include "asm_support_check.h" 43 44 namespace art { 45 46 class ArchTest : public CommonRuntimeTest { 47 protected: 48 void SetUpRuntimeOptions(RuntimeOptions *options) OVERRIDE { 49 // Use 64-bit ISA for runtime setup to make method size potentially larger 50 // than necessary (rather than smaller) during CreateCalleeSaveMethod 51 options->push_back(std::make_pair("imageinstructionset", "x86_64")); 52 } 53 54 // Do not do any of the finalization. We don't want to run any code, we don't need the heap 55 // prepared, it actually will be a problem with setting the instruction set to x86_64 in 56 // SetUpRuntimeOptions. 57 void FinalizeSetup() OVERRIDE { 58 ASSERT_EQ(InstructionSet::kX86_64, Runtime::Current()->GetInstructionSet()); 59 } 60 61 static void CheckFrameSize(InstructionSet isa, CalleeSaveType type, uint32_t save_size) 62 NO_THREAD_SAFETY_ANALYSIS { 63 Runtime* const runtime = Runtime::Current(); 64 Thread* const self = Thread::Current(); 65 ScopedObjectAccess soa(self); // So we can create callee-save methods. 66 67 runtime->SetInstructionSet(isa); 68 ArtMethod* save_method = runtime->CreateCalleeSaveMethod(); 69 runtime->SetCalleeSaveMethod(save_method, type); 70 QuickMethodFrameInfo frame_info = runtime->GetRuntimeMethodFrameInfo(save_method); 71 EXPECT_EQ(frame_info.FrameSizeInBytes(), save_size) << "Expected and real size differs for " 72 << type << " core spills=" << std::hex << frame_info.CoreSpillMask() << " fp spills=" 73 << frame_info.FpSpillMask() << std::dec; 74 } 75 }; 76 77 TEST_F(ArchTest, CheckCommonOffsetsAndSizes) { 78 size_t test_count = CheckAsmSupportOffsetsAndSizes(); 79 EXPECT_GT(test_count, 0u); 80 } 81 82 // Grab architecture specific constants. 83 namespace arm { 84 #include "arch/arm/asm_support_arm.h" 85 static constexpr size_t kFrameSizeSaveAllCalleeSaves = FRAME_SIZE_SAVE_ALL_CALLEE_SAVES; 86 #undef FRAME_SIZE_SAVE_ALL_CALLEE_SAVES 87 static constexpr size_t kFrameSizeSaveRefsOnly = FRAME_SIZE_SAVE_REFS_ONLY; 88 #undef FRAME_SIZE_SAVE_REFS_ONLY 89 static constexpr size_t kFrameSizeSaveRefsAndArgs = FRAME_SIZE_SAVE_REFS_AND_ARGS; 90 #undef FRAME_SIZE_SAVE_REFS_AND_ARGS 91 static constexpr size_t kFrameSizeSaveEverythingForClinit = FRAME_SIZE_SAVE_EVERYTHING_FOR_CLINIT; 92 #undef FRAME_SIZE_SAVE_EVERYTHING_FOR_CLINIT 93 static constexpr size_t kFrameSizeSaveEverythingForSuspendCheck = 94 FRAME_SIZE_SAVE_EVERYTHING_FOR_SUSPEND_CHECK; 95 #undef FRAME_SIZE_SAVE_EVERYTHING_FOR_SUSPEND_CHECK 96 static constexpr size_t kFrameSizeSaveEverything = FRAME_SIZE_SAVE_EVERYTHING; 97 #undef FRAME_SIZE_SAVE_EVERYTHING 98 #undef BAKER_MARK_INTROSPECTION_FIELD_LDR_NARROW_ENTRYPOINT_OFFSET 99 #undef BAKER_MARK_INTROSPECTION_GC_ROOT_LDR_WIDE_ENTRYPOINT_OFFSET 100 #undef BAKER_MARK_INTROSPECTION_GC_ROOT_LDR_NARROW_ENTRYPOINT_OFFSET 101 #undef BAKER_MARK_INTROSPECTION_ARRAY_SWITCH_OFFSET 102 #undef BAKER_MARK_INTROSPECTION_FIELD_LDR_WIDE_OFFSET 103 #undef BAKER_MARK_INTROSPECTION_FIELD_LDR_NARROW_OFFSET 104 #undef BAKER_MARK_INTROSPECTION_ARRAY_LDR_OFFSET 105 #undef BAKER_MARK_INTROSPECTION_GC_ROOT_LDR_WIDE_OFFSET 106 #undef BAKER_MARK_INTROSPECTION_GC_ROOT_LDR_NARROW_OFFSET 107 } // namespace arm 108 109 namespace arm64 { 110 #include "arch/arm64/asm_support_arm64.h" 111 static constexpr size_t kFrameSizeSaveAllCalleeSaves = FRAME_SIZE_SAVE_ALL_CALLEE_SAVES; 112 #undef FRAME_SIZE_SAVE_ALL_CALLEE_SAVES 113 static constexpr size_t kFrameSizeSaveRefsOnly = FRAME_SIZE_SAVE_REFS_ONLY; 114 #undef FRAME_SIZE_SAVE_REFS_ONLY 115 static constexpr size_t kFrameSizeSaveRefsAndArgs = FRAME_SIZE_SAVE_REFS_AND_ARGS; 116 #undef FRAME_SIZE_SAVE_REFS_AND_ARGS 117 static constexpr size_t kFrameSizeSaveEverythingForClinit = FRAME_SIZE_SAVE_EVERYTHING_FOR_CLINIT; 118 #undef FRAME_SIZE_SAVE_EVERYTHING_FOR_CLINIT 119 static constexpr size_t kFrameSizeSaveEverythingForSuspendCheck = 120 FRAME_SIZE_SAVE_EVERYTHING_FOR_SUSPEND_CHECK; 121 #undef FRAME_SIZE_SAVE_EVERYTHING_FOR_SUSPEND_CHECK 122 static constexpr size_t kFrameSizeSaveEverything = FRAME_SIZE_SAVE_EVERYTHING; 123 #undef FRAME_SIZE_SAVE_EVERYTHING 124 #undef BAKER_MARK_INTROSPECTION_ARRAY_SWITCH_OFFSET 125 #undef BAKER_MARK_INTROSPECTION_GC_ROOT_ENTRYPOINT_OFFSET 126 #undef BAKER_MARK_INTROSPECTION_FIELD_LDR_OFFSET 127 #undef BAKER_MARK_INTROSPECTION_ARRAY_LDR_OFFSET 128 #undef BAKER_MARK_INTROSPECTION_GC_ROOT_LDR_OFFSET 129 } // namespace arm64 130 131 namespace mips { 132 #include "arch/mips/asm_support_mips.h" 133 static constexpr size_t kFrameSizeSaveAllCalleeSaves = FRAME_SIZE_SAVE_ALL_CALLEE_SAVES; 134 #undef FRAME_SIZE_SAVE_ALL_CALLEE_SAVES 135 static constexpr size_t kFrameSizeSaveRefsOnly = FRAME_SIZE_SAVE_REFS_ONLY; 136 #undef FRAME_SIZE_SAVE_REFS_ONLY 137 static constexpr size_t kFrameSizeSaveRefsAndArgs = FRAME_SIZE_SAVE_REFS_AND_ARGS; 138 #undef FRAME_SIZE_SAVE_REFS_AND_ARGS 139 static constexpr size_t kFrameSizeSaveEverythingForClinit = FRAME_SIZE_SAVE_EVERYTHING_FOR_CLINIT; 140 #undef FRAME_SIZE_SAVE_EVERYTHING_FOR_CLINIT 141 static constexpr size_t kFrameSizeSaveEverythingForSuspendCheck = 142 FRAME_SIZE_SAVE_EVERYTHING_FOR_SUSPEND_CHECK; 143 #undef FRAME_SIZE_SAVE_EVERYTHING_FOR_SUSPEND_CHECK 144 static constexpr size_t kFrameSizeSaveEverything = FRAME_SIZE_SAVE_EVERYTHING; 145 #undef FRAME_SIZE_SAVE_EVERYTHING 146 #undef BAKER_MARK_INTROSPECTION_REGISTER_COUNT 147 #undef BAKER_MARK_INTROSPECTION_FIELD_ARRAY_ENTRY_SIZE 148 #undef BAKER_MARK_INTROSPECTION_GC_ROOT_ENTRIES_OFFSET 149 #undef BAKER_MARK_INTROSPECTION_GC_ROOT_ENTRY_SIZE 150 } // namespace mips 151 152 namespace mips64 { 153 #include "arch/mips64/asm_support_mips64.h" 154 static constexpr size_t kFrameSizeSaveAllCalleeSaves = FRAME_SIZE_SAVE_ALL_CALLEE_SAVES; 155 #undef FRAME_SIZE_SAVE_ALL_CALLEE_SAVES 156 static constexpr size_t kFrameSizeSaveRefsOnly = FRAME_SIZE_SAVE_REFS_ONLY; 157 #undef FRAME_SIZE_SAVE_REFS_ONLY 158 static constexpr size_t kFrameSizeSaveRefsAndArgs = FRAME_SIZE_SAVE_REFS_AND_ARGS; 159 #undef FRAME_SIZE_SAVE_REFS_AND_ARGS 160 static constexpr size_t kFrameSizeSaveEverythingForClinit = FRAME_SIZE_SAVE_EVERYTHING_FOR_CLINIT; 161 #undef FRAME_SIZE_SAVE_EVERYTHING_FOR_CLINIT 162 static constexpr size_t kFrameSizeSaveEverythingForSuspendCheck = 163 FRAME_SIZE_SAVE_EVERYTHING_FOR_SUSPEND_CHECK; 164 #undef FRAME_SIZE_SAVE_EVERYTHING_FOR_SUSPEND_CHECK 165 static constexpr size_t kFrameSizeSaveEverything = FRAME_SIZE_SAVE_EVERYTHING; 166 #undef FRAME_SIZE_SAVE_EVERYTHING 167 #undef BAKER_MARK_INTROSPECTION_REGISTER_COUNT 168 #undef BAKER_MARK_INTROSPECTION_FIELD_ARRAY_ENTRY_SIZE 169 #undef BAKER_MARK_INTROSPECTION_GC_ROOT_ENTRIES_OFFSET 170 #undef BAKER_MARK_INTROSPECTION_GC_ROOT_ENTRY_SIZE 171 } // namespace mips64 172 173 namespace x86 { 174 #include "arch/x86/asm_support_x86.h" 175 static constexpr size_t kFrameSizeSaveAllCalleeSaves = FRAME_SIZE_SAVE_ALL_CALLEE_SAVES; 176 #undef FRAME_SIZE_SAVE_ALL_CALLEE_SAVES 177 static constexpr size_t kFrameSizeSaveRefsOnly = FRAME_SIZE_SAVE_REFS_ONLY; 178 #undef FRAME_SIZE_SAVE_REFS_ONLY 179 static constexpr size_t kFrameSizeSaveRefsAndArgs = FRAME_SIZE_SAVE_REFS_AND_ARGS; 180 #undef FRAME_SIZE_SAVE_REFS_AND_ARGS 181 static constexpr size_t kFrameSizeSaveEverythingForClinit = FRAME_SIZE_SAVE_EVERYTHING_FOR_CLINIT; 182 #undef FRAME_SIZE_SAVE_EVERYTHING_FOR_CLINIT 183 static constexpr size_t kFrameSizeSaveEverythingForSuspendCheck = 184 FRAME_SIZE_SAVE_EVERYTHING_FOR_SUSPEND_CHECK; 185 #undef FRAME_SIZE_SAVE_EVERYTHING_FOR_SUSPEND_CHECK 186 static constexpr size_t kFrameSizeSaveEverything = FRAME_SIZE_SAVE_EVERYTHING; 187 #undef FRAME_SIZE_SAVE_EVERYTHING 188 } // namespace x86 189 190 namespace x86_64 { 191 #include "arch/x86_64/asm_support_x86_64.h" 192 static constexpr size_t kFrameSizeSaveAllCalleeSaves = FRAME_SIZE_SAVE_ALL_CALLEE_SAVES; 193 #undef FRAME_SIZE_SAVE_ALL_CALLEE_SAVES 194 static constexpr size_t kFrameSizeSaveRefsOnly = FRAME_SIZE_SAVE_REFS_ONLY; 195 #undef FRAME_SIZE_SAVE_REFS_ONLY 196 static constexpr size_t kFrameSizeSaveRefsAndArgs = FRAME_SIZE_SAVE_REFS_AND_ARGS; 197 #undef FRAME_SIZE_SAVE_REFS_AND_ARGS 198 static constexpr size_t kFrameSizeSaveEverythingForClinit = FRAME_SIZE_SAVE_EVERYTHING_FOR_CLINIT; 199 #undef FRAME_SIZE_SAVE_EVERYTHING_FOR_CLINIT 200 static constexpr size_t kFrameSizeSaveEverythingForSuspendCheck = 201 FRAME_SIZE_SAVE_EVERYTHING_FOR_SUSPEND_CHECK; 202 #undef FRAME_SIZE_SAVE_EVERYTHING_FOR_SUSPEND_CHECK 203 static constexpr size_t kFrameSizeSaveEverything = FRAME_SIZE_SAVE_EVERYTHING; 204 #undef FRAME_SIZE_SAVE_EVERYTHING 205 } // namespace x86_64 206 207 // Check architecture specific constants are sound. 208 #define TEST_ARCH(Arch, arch) \ 209 TEST_F(ArchTest, Arch) { \ 210 CheckFrameSize(InstructionSet::k##Arch, \ 211 CalleeSaveType::kSaveAllCalleeSaves, \ 212 arch::kFrameSizeSaveAllCalleeSaves); \ 213 CheckFrameSize(InstructionSet::k##Arch, \ 214 CalleeSaveType::kSaveRefsOnly, \ 215 arch::kFrameSizeSaveRefsOnly); \ 216 CheckFrameSize(InstructionSet::k##Arch, \ 217 CalleeSaveType::kSaveRefsAndArgs, \ 218 arch::kFrameSizeSaveRefsAndArgs); \ 219 CheckFrameSize(InstructionSet::k##Arch, \ 220 CalleeSaveType::kSaveEverything, \ 221 arch::kFrameSizeSaveEverything); \ 222 CheckFrameSize(InstructionSet::k##Arch, \ 223 CalleeSaveType::kSaveEverythingForClinit, \ 224 arch::kFrameSizeSaveEverythingForClinit); \ 225 CheckFrameSize(InstructionSet::k##Arch, \ 226 CalleeSaveType::kSaveEverythingForSuspendCheck, \ 227 arch::kFrameSizeSaveEverythingForSuspendCheck); \ 228 } 229 TEST_ARCH(Arm, arm) 230 TEST_ARCH(Arm64, arm64) 231 TEST_ARCH(Mips, mips) 232 TEST_ARCH(Mips64, mips64) 233 TEST_ARCH(X86, x86) 234 TEST_ARCH(X86_64, x86_64) 235 236 } // namespace art 237
