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 44namespace art { 45 46class 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 77TEST_F(ArchTest, CheckCommonOffsetsAndSizes) { 78 size_t test_count = CheckAsmSupportOffsetsAndSizes(); 79 EXPECT_GT(test_count, 0u); 80} 81 82// Grab architecture specific constants. 83namespace arm { 84#include "arch/arm/asm_support_arm.h" 85static constexpr size_t kFrameSizeSaveAllCalleeSaves = FRAME_SIZE_SAVE_ALL_CALLEE_SAVES; 86#undef FRAME_SIZE_SAVE_ALL_CALLEE_SAVES 87static constexpr size_t kFrameSizeSaveRefsOnly = FRAME_SIZE_SAVE_REFS_ONLY; 88#undef FRAME_SIZE_SAVE_REFS_ONLY 89static constexpr size_t kFrameSizeSaveRefsAndArgs = FRAME_SIZE_SAVE_REFS_AND_ARGS; 90#undef FRAME_SIZE_SAVE_REFS_AND_ARGS 91static constexpr size_t kFrameSizeSaveEverythingForClinit = FRAME_SIZE_SAVE_EVERYTHING_FOR_CLINIT; 92#undef FRAME_SIZE_SAVE_EVERYTHING_FOR_CLINIT 93static constexpr size_t kFrameSizeSaveEverythingForSuspendCheck = 94 FRAME_SIZE_SAVE_EVERYTHING_FOR_SUSPEND_CHECK; 95#undef FRAME_SIZE_SAVE_EVERYTHING_FOR_SUSPEND_CHECK 96static 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 109namespace arm64 { 110#include "arch/arm64/asm_support_arm64.h" 111static constexpr size_t kFrameSizeSaveAllCalleeSaves = FRAME_SIZE_SAVE_ALL_CALLEE_SAVES; 112#undef FRAME_SIZE_SAVE_ALL_CALLEE_SAVES 113static constexpr size_t kFrameSizeSaveRefsOnly = FRAME_SIZE_SAVE_REFS_ONLY; 114#undef FRAME_SIZE_SAVE_REFS_ONLY 115static constexpr size_t kFrameSizeSaveRefsAndArgs = FRAME_SIZE_SAVE_REFS_AND_ARGS; 116#undef FRAME_SIZE_SAVE_REFS_AND_ARGS 117static constexpr size_t kFrameSizeSaveEverythingForClinit = FRAME_SIZE_SAVE_EVERYTHING_FOR_CLINIT; 118#undef FRAME_SIZE_SAVE_EVERYTHING_FOR_CLINIT 119static constexpr size_t kFrameSizeSaveEverythingForSuspendCheck = 120 FRAME_SIZE_SAVE_EVERYTHING_FOR_SUSPEND_CHECK; 121#undef FRAME_SIZE_SAVE_EVERYTHING_FOR_SUSPEND_CHECK 122static 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 131namespace mips { 132#include "arch/mips/asm_support_mips.h" 133static constexpr size_t kFrameSizeSaveAllCalleeSaves = FRAME_SIZE_SAVE_ALL_CALLEE_SAVES; 134#undef FRAME_SIZE_SAVE_ALL_CALLEE_SAVES 135static constexpr size_t kFrameSizeSaveRefsOnly = FRAME_SIZE_SAVE_REFS_ONLY; 136#undef FRAME_SIZE_SAVE_REFS_ONLY 137static constexpr size_t kFrameSizeSaveRefsAndArgs = FRAME_SIZE_SAVE_REFS_AND_ARGS; 138#undef FRAME_SIZE_SAVE_REFS_AND_ARGS 139static constexpr size_t kFrameSizeSaveEverythingForClinit = FRAME_SIZE_SAVE_EVERYTHING_FOR_CLINIT; 140#undef FRAME_SIZE_SAVE_EVERYTHING_FOR_CLINIT 141static constexpr size_t kFrameSizeSaveEverythingForSuspendCheck = 142 FRAME_SIZE_SAVE_EVERYTHING_FOR_SUSPEND_CHECK; 143#undef FRAME_SIZE_SAVE_EVERYTHING_FOR_SUSPEND_CHECK 144static 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 152namespace mips64 { 153#include "arch/mips64/asm_support_mips64.h" 154static constexpr size_t kFrameSizeSaveAllCalleeSaves = FRAME_SIZE_SAVE_ALL_CALLEE_SAVES; 155#undef FRAME_SIZE_SAVE_ALL_CALLEE_SAVES 156static constexpr size_t kFrameSizeSaveRefsOnly = FRAME_SIZE_SAVE_REFS_ONLY; 157#undef FRAME_SIZE_SAVE_REFS_ONLY 158static constexpr size_t kFrameSizeSaveRefsAndArgs = FRAME_SIZE_SAVE_REFS_AND_ARGS; 159#undef FRAME_SIZE_SAVE_REFS_AND_ARGS 160static constexpr size_t kFrameSizeSaveEverythingForClinit = FRAME_SIZE_SAVE_EVERYTHING_FOR_CLINIT; 161#undef FRAME_SIZE_SAVE_EVERYTHING_FOR_CLINIT 162static constexpr size_t kFrameSizeSaveEverythingForSuspendCheck = 163 FRAME_SIZE_SAVE_EVERYTHING_FOR_SUSPEND_CHECK; 164#undef FRAME_SIZE_SAVE_EVERYTHING_FOR_SUSPEND_CHECK 165static 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 173namespace x86 { 174#include "arch/x86/asm_support_x86.h" 175static constexpr size_t kFrameSizeSaveAllCalleeSaves = FRAME_SIZE_SAVE_ALL_CALLEE_SAVES; 176#undef FRAME_SIZE_SAVE_ALL_CALLEE_SAVES 177static constexpr size_t kFrameSizeSaveRefsOnly = FRAME_SIZE_SAVE_REFS_ONLY; 178#undef FRAME_SIZE_SAVE_REFS_ONLY 179static constexpr size_t kFrameSizeSaveRefsAndArgs = FRAME_SIZE_SAVE_REFS_AND_ARGS; 180#undef FRAME_SIZE_SAVE_REFS_AND_ARGS 181static constexpr size_t kFrameSizeSaveEverythingForClinit = FRAME_SIZE_SAVE_EVERYTHING_FOR_CLINIT; 182#undef FRAME_SIZE_SAVE_EVERYTHING_FOR_CLINIT 183static constexpr size_t kFrameSizeSaveEverythingForSuspendCheck = 184 FRAME_SIZE_SAVE_EVERYTHING_FOR_SUSPEND_CHECK; 185#undef FRAME_SIZE_SAVE_EVERYTHING_FOR_SUSPEND_CHECK 186static constexpr size_t kFrameSizeSaveEverything = FRAME_SIZE_SAVE_EVERYTHING; 187#undef FRAME_SIZE_SAVE_EVERYTHING 188} // namespace x86 189 190namespace x86_64 { 191#include "arch/x86_64/asm_support_x86_64.h" 192static constexpr size_t kFrameSizeSaveAllCalleeSaves = FRAME_SIZE_SAVE_ALL_CALLEE_SAVES; 193#undef FRAME_SIZE_SAVE_ALL_CALLEE_SAVES 194static constexpr size_t kFrameSizeSaveRefsOnly = FRAME_SIZE_SAVE_REFS_ONLY; 195#undef FRAME_SIZE_SAVE_REFS_ONLY 196static constexpr size_t kFrameSizeSaveRefsAndArgs = FRAME_SIZE_SAVE_REFS_AND_ARGS; 197#undef FRAME_SIZE_SAVE_REFS_AND_ARGS 198static constexpr size_t kFrameSizeSaveEverythingForClinit = FRAME_SIZE_SAVE_EVERYTHING_FOR_CLINIT; 199#undef FRAME_SIZE_SAVE_EVERYTHING_FOR_CLINIT 200static constexpr size_t kFrameSizeSaveEverythingForSuspendCheck = 201 FRAME_SIZE_SAVE_EVERYTHING_FOR_SUSPEND_CHECK; 202#undef FRAME_SIZE_SAVE_EVERYTHING_FOR_SUSPEND_CHECK 203static 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 } 229TEST_ARCH(Arm, arm) 230TEST_ARCH(Arm64, arm64) 231TEST_ARCH(Mips, mips) 232TEST_ARCH(Mips64, mips64) 233TEST_ARCH(X86, x86) 234TEST_ARCH(X86_64, x86_64) 235 236} // namespace art 237