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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "jni_macro_assembler.h"
#include <algorithm>
#include <vector>
#ifdef ART_ENABLE_CODEGEN_arm
#include "arm/jni_macro_assembler_arm_vixl.h"
#endif
#ifdef ART_ENABLE_CODEGEN_arm64
#include "arm64/jni_macro_assembler_arm64.h"
#endif
#ifdef ART_ENABLE_CODEGEN_riscv64
#include "riscv64/jni_macro_assembler_riscv64.h"
#endif
#ifdef ART_ENABLE_CODEGEN_x86
#include "x86/jni_macro_assembler_x86.h"
#endif
#ifdef ART_ENABLE_CODEGEN_x86_64
#include "x86_64/jni_macro_assembler_x86_64.h"
#endif
#include "base/casts.h"
#include "base/globals.h"
#include "base/memory_region.h"
#include "gc_root.h"
#include "stack_reference.h"
namespace art HIDDEN {
using MacroAsm32UniquePtr = std::unique_ptr<JNIMacroAssembler<PointerSize::k32>>;
template <>
MacroAsm32UniquePtr JNIMacroAssembler<PointerSize::k32>::Create(
ArenaAllocator* allocator,
InstructionSet instruction_set,
const InstructionSetFeatures* instruction_set_features) {
// TODO: Remove the parameter from API (not needed after Mips target was removed).
UNUSED(instruction_set_features);
switch (instruction_set) {
#ifdef ART_ENABLE_CODEGEN_arm
case InstructionSet::kArm:
case InstructionSet::kThumb2:
return MacroAsm32UniquePtr(new (allocator) arm::ArmVIXLJNIMacroAssembler(allocator));
#endif
#ifdef ART_ENABLE_CODEGEN_x86
case InstructionSet::kX86:
return MacroAsm32UniquePtr(new (allocator) x86::X86JNIMacroAssembler(allocator));
#endif
default:
UNUSED(allocator);
LOG(FATAL) << "Unknown/unsupported 4B InstructionSet: " << instruction_set;
UNREACHABLE();
}
}
using MacroAsm64UniquePtr = std::unique_ptr<JNIMacroAssembler<PointerSize::k64>>;
template <>
MacroAsm64UniquePtr JNIMacroAssembler<PointerSize::k64>::Create(
ArenaAllocator* allocator,
InstructionSet instruction_set,
const InstructionSetFeatures* instruction_set_features) {
// TODO: Remove the parameter from API (not needed after Mips64 target was removed).
UNUSED(instruction_set_features);
switch (instruction_set) {
#ifdef ART_ENABLE_CODEGEN_arm64
case InstructionSet::kArm64:
return MacroAsm64UniquePtr(new (allocator) arm64::Arm64JNIMacroAssembler(allocator));
#endif
#ifdef ART_ENABLE_CODEGEN_riscv64
case InstructionSet::kRiscv64:
return MacroAsm64UniquePtr(new (allocator) riscv64::Riscv64JNIMacroAssembler(allocator));
#endif
#ifdef ART_ENABLE_CODEGEN_x86_64
case InstructionSet::kX86_64:
return MacroAsm64UniquePtr(new (allocator) x86_64::X86_64JNIMacroAssembler(allocator));
#endif
default:
UNUSED(allocator);
LOG(FATAL) << "Unknown/unsupported 8B InstructionSet: " << instruction_set;
UNREACHABLE();
}
}
template <PointerSize kPointerSize>
void JNIMacroAssembler<kPointerSize>::LoadGcRootWithoutReadBarrier(ManagedRegister dest,
ManagedRegister base,
MemberOffset offs) {
static_assert(sizeof(uint32_t) == sizeof(GcRoot<mirror::Object>));
Load(dest, base, offs, sizeof(uint32_t));
}
template
void JNIMacroAssembler<PointerSize::k32>::LoadGcRootWithoutReadBarrier(ManagedRegister dest,
ManagedRegister base,
MemberOffset offs);
template
void JNIMacroAssembler<PointerSize::k64>::LoadGcRootWithoutReadBarrier(ManagedRegister dest,
ManagedRegister base,
MemberOffset offs);
template <PointerSize kPointerSize>
void JNIMacroAssembler<kPointerSize>::LoadStackReference(ManagedRegister dest, FrameOffset offs) {
static_assert(sizeof(uint32_t) == sizeof(StackReference<mirror::Object>));
Load(dest, offs, sizeof(uint32_t));
}
template
void JNIMacroAssembler<PointerSize::k32>::LoadStackReference(ManagedRegister dest,
FrameOffset offs);
template
void JNIMacroAssembler<PointerSize::k64>::LoadStackReference(ManagedRegister dest,
FrameOffset offs);
} // namespace art
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