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Diffstat (limited to 'compiler/optimizing/optimizing_cfi_test.cc')
-rw-r--r--compiler/optimizing/optimizing_cfi_test.cc151
1 files changed, 119 insertions, 32 deletions
diff --git a/compiler/optimizing/optimizing_cfi_test.cc b/compiler/optimizing/optimizing_cfi_test.cc
index 05c6b2ca57..34f1fe5949 100644
--- a/compiler/optimizing/optimizing_cfi_test.cc
+++ b/compiler/optimizing/optimizing_cfi_test.cc
@@ -23,6 +23,8 @@
#include "optimizing/code_generator.h"
#include "optimizing/optimizing_unit_test.h"
#include "utils/assembler.h"
+#include "utils/arm/assembler_thumb2.h"
+#include "utils/mips/assembler_mips.h"
#include "optimizing/optimizing_cfi_test_expected.inc"
@@ -36,52 +38,62 @@ class OptimizingCFITest : public CFITest {
// Enable this flag to generate the expected outputs.
static constexpr bool kGenerateExpected = false;
- void TestImpl(InstructionSet isa, const char* isa_str,
- const std::vector<uint8_t>& expected_asm,
- const std::vector<uint8_t>& expected_cfi) {
+ OptimizingCFITest()
+ : pool_(),
+ allocator_(&pool_),
+ opts_(),
+ isa_features_(),
+ graph_(nullptr),
+ code_gen_(),
+ blocks_(allocator_.Adapter()) {}
+
+ void SetUpFrame(InstructionSet isa) {
// Setup simple context.
- ArenaPool pool;
- ArenaAllocator allocator(&pool);
- CompilerOptions opts;
- std::unique_ptr<const InstructionSetFeatures> isa_features;
std::string error;
- isa_features.reset(InstructionSetFeatures::FromVariant(isa, "default", &error));
- HGraph* graph = CreateGraph(&allocator);
+ isa_features_.reset(InstructionSetFeatures::FromVariant(isa, "default", &error));
+ graph_ = CreateGraph(&allocator_);
// Generate simple frame with some spills.
- std::unique_ptr<CodeGenerator> code_gen(
- CodeGenerator::Create(graph, isa, *isa_features.get(), opts));
+ code_gen_.reset(CodeGenerator::Create(graph_, isa, *isa_features_, opts_));
+ code_gen_->GetAssembler()->cfi().SetEnabled(true);
const int frame_size = 64;
int core_reg = 0;
int fp_reg = 0;
for (int i = 0; i < 2; i++) { // Two registers of each kind.
for (; core_reg < 32; core_reg++) {
- if (code_gen->IsCoreCalleeSaveRegister(core_reg)) {
+ if (code_gen_->IsCoreCalleeSaveRegister(core_reg)) {
auto location = Location::RegisterLocation(core_reg);
- code_gen->AddAllocatedRegister(location);
+ code_gen_->AddAllocatedRegister(location);
core_reg++;
break;
}
}
for (; fp_reg < 32; fp_reg++) {
- if (code_gen->IsFloatingPointCalleeSaveRegister(fp_reg)) {
+ if (code_gen_->IsFloatingPointCalleeSaveRegister(fp_reg)) {
auto location = Location::FpuRegisterLocation(fp_reg);
- code_gen->AddAllocatedRegister(location);
+ code_gen_->AddAllocatedRegister(location);
fp_reg++;
break;
}
}
}
- ArenaVector<HBasicBlock*> blocks(allocator.Adapter());
- code_gen->block_order_ = &blocks;
- code_gen->ComputeSpillMask();
- code_gen->SetFrameSize(frame_size);
- code_gen->GenerateFrameEntry();
- code_gen->GenerateFrameExit();
+ code_gen_->block_order_ = &blocks_;
+ code_gen_->ComputeSpillMask();
+ code_gen_->SetFrameSize(frame_size);
+ code_gen_->GenerateFrameEntry();
+ }
+
+ void Finish() {
+ code_gen_->GenerateFrameExit();
+ code_gen_->Finalize(&code_allocator_);
+ }
+
+ void Check(InstructionSet isa,
+ const char* isa_str,
+ const std::vector<uint8_t>& expected_asm,
+ const std::vector<uint8_t>& expected_cfi) {
// Get the outputs.
- InternalCodeAllocator code_allocator;
- code_gen->Finalize(&code_allocator);
- const std::vector<uint8_t>& actual_asm = code_allocator.GetMemory();
- Assembler* opt_asm = code_gen->GetAssembler();
+ const std::vector<uint8_t>& actual_asm = code_allocator_.GetMemory();
+ Assembler* opt_asm = code_gen_->GetAssembler();
const std::vector<uint8_t>& actual_cfi = *(opt_asm->cfi().data());
if (kGenerateExpected) {
@@ -92,6 +104,19 @@ class OptimizingCFITest : public CFITest {
}
}
+ void TestImpl(InstructionSet isa, const char*
+ isa_str,
+ const std::vector<uint8_t>& expected_asm,
+ const std::vector<uint8_t>& expected_cfi) {
+ SetUpFrame(isa);
+ Finish();
+ Check(isa, isa_str, expected_asm, expected_cfi);
+ }
+
+ CodeGenerator* GetCodeGenerator() {
+ return code_gen_.get();
+ }
+
private:
class InternalCodeAllocator : public CodeAllocator {
public:
@@ -109,21 +134,83 @@ class OptimizingCFITest : public CFITest {
DISALLOW_COPY_AND_ASSIGN(InternalCodeAllocator);
};
+
+ ArenaPool pool_;
+ ArenaAllocator allocator_;
+ CompilerOptions opts_;
+ std::unique_ptr<const InstructionSetFeatures> isa_features_;
+ HGraph* graph_;
+ std::unique_ptr<CodeGenerator> code_gen_;
+ ArenaVector<HBasicBlock*> blocks_;
+ InternalCodeAllocator code_allocator_;
};
-#define TEST_ISA(isa) \
- TEST_F(OptimizingCFITest, isa) { \
- std::vector<uint8_t> expected_asm(expected_asm_##isa, \
- expected_asm_##isa + arraysize(expected_asm_##isa)); \
- std::vector<uint8_t> expected_cfi(expected_cfi_##isa, \
- expected_cfi_##isa + arraysize(expected_cfi_##isa)); \
- TestImpl(isa, #isa, expected_asm, expected_cfi); \
+#define TEST_ISA(isa) \
+ TEST_F(OptimizingCFITest, isa) { \
+ std::vector<uint8_t> expected_asm( \
+ expected_asm_##isa, \
+ expected_asm_##isa + arraysize(expected_asm_##isa)); \
+ std::vector<uint8_t> expected_cfi( \
+ expected_cfi_##isa, \
+ expected_cfi_##isa + arraysize(expected_cfi_##isa)); \
+ TestImpl(isa, #isa, expected_asm, expected_cfi); \
}
TEST_ISA(kThumb2)
TEST_ISA(kArm64)
TEST_ISA(kX86)
TEST_ISA(kX86_64)
+TEST_ISA(kMips)
+TEST_ISA(kMips64)
+
+TEST_F(OptimizingCFITest, kThumb2Adjust) {
+ std::vector<uint8_t> expected_asm(
+ expected_asm_kThumb2_adjust,
+ expected_asm_kThumb2_adjust + arraysize(expected_asm_kThumb2_adjust));
+ std::vector<uint8_t> expected_cfi(
+ expected_cfi_kThumb2_adjust,
+ expected_cfi_kThumb2_adjust + arraysize(expected_cfi_kThumb2_adjust));
+ SetUpFrame(kThumb2);
+#define __ down_cast<arm::Thumb2Assembler*>(GetCodeGenerator()->GetAssembler())->
+ Label target;
+ __ CompareAndBranchIfZero(arm::R0, &target);
+ // Push the target out of range of CBZ.
+ for (size_t i = 0; i != 65; ++i) {
+ __ ldr(arm::R0, arm::Address(arm::R0));
+ }
+ __ Bind(&target);
+#undef __
+ Finish();
+ Check(kThumb2, "kThumb2_adjust", expected_asm, expected_cfi);
+}
+
+TEST_F(OptimizingCFITest, kMipsAdjust) {
+ // One NOP in delay slot, 1 << 15 NOPS have size 1 << 17 which exceeds 18-bit signed maximum.
+ static constexpr size_t kNumNops = 1u + (1u << 15);
+ std::vector<uint8_t> expected_asm(
+ expected_asm_kMips_adjust_head,
+ expected_asm_kMips_adjust_head + arraysize(expected_asm_kMips_adjust_head));
+ expected_asm.resize(expected_asm.size() + kNumNops * 4u, 0u);
+ expected_asm.insert(
+ expected_asm.end(),
+ expected_asm_kMips_adjust_tail,
+ expected_asm_kMips_adjust_tail + arraysize(expected_asm_kMips_adjust_tail));
+ std::vector<uint8_t> expected_cfi(
+ expected_cfi_kMips_adjust,
+ expected_cfi_kMips_adjust + arraysize(expected_cfi_kMips_adjust));
+ SetUpFrame(kMips);
+#define __ down_cast<mips::MipsAssembler*>(GetCodeGenerator()->GetAssembler())->
+ mips::MipsLabel target;
+ __ Beqz(mips::A0, &target);
+ // Push the target out of range of BEQZ.
+ for (size_t i = 0; i != kNumNops; ++i) {
+ __ Nop();
+ }
+ __ Bind(&target);
+#undef __
+ Finish();
+ Check(kMips, "kMips_adjust", expected_asm, expected_cfi);
+}
#endif // __ANDROID__
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-03 17:39:23 +0000