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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.
*/
#ifndef ART_RUNTIME_DEX_INSTRUCTION_INL_H_
#define ART_RUNTIME_DEX_INSTRUCTION_INL_H_
#include "dex_instruction.h"
namespace art {
//------------------------------------------------------------------------------
// VRegA
//------------------------------------------------------------------------------
inline int8_t Instruction::VRegA_10t(uint16_t inst_data) const {
DCHECK_EQ(FormatOf(Opcode()), k10t);
return static_cast<int8_t>(InstAA(inst_data));
}
inline uint8_t Instruction::VRegA_10x(uint16_t inst_data) const {
DCHECK_EQ(FormatOf(Opcode()), k10x);
return InstAA(inst_data);
}
inline uint4_t Instruction::VRegA_11n(uint16_t inst_data) const {
DCHECK_EQ(FormatOf(Opcode()), k11n);
return InstA(inst_data);
}
inline uint8_t Instruction::VRegA_11x(uint16_t inst_data) const {
DCHECK_EQ(FormatOf(Opcode()), k11x);
return InstAA(inst_data);
}
inline uint4_t Instruction::VRegA_12x(uint16_t inst_data) const {
DCHECK_EQ(FormatOf(Opcode()), k12x);
return InstA(inst_data);
}
inline int16_t Instruction::VRegA_20t() const {
DCHECK_EQ(FormatOf(Opcode()), k20t);
return static_cast<int16_t>(Fetch16(1));
}
inline uint8_t Instruction::VRegA_21c(uint16_t inst_data) const {
DCHECK_EQ(FormatOf(Opcode()), k21c);
return InstAA(inst_data);
}
inline uint8_t Instruction::VRegA_21h(uint16_t inst_data) const {
DCHECK_EQ(FormatOf(Opcode()), k21h);
return InstAA(inst_data);
}
inline uint8_t Instruction::VRegA_21s(uint16_t inst_data) const {
DCHECK_EQ(FormatOf(Opcode()), k21s);
return InstAA(inst_data);
}
inline uint8_t Instruction::VRegA_21t(uint16_t inst_data) const {
DCHECK_EQ(FormatOf(Opcode()), k21t);
return InstAA(inst_data);
}
inline uint8_t Instruction::VRegA_22b(uint16_t inst_data) const {
DCHECK_EQ(FormatOf(Opcode()), k22b);
return InstAA(inst_data);
}
inline uint4_t Instruction::VRegA_22c(uint16_t inst_data) const {
DCHECK_EQ(FormatOf(Opcode()), k22c);
return InstA(inst_data);
}
inline uint4_t Instruction::VRegA_22s(uint16_t inst_data) const {
DCHECK_EQ(FormatOf(Opcode()), k22s);
return InstA(inst_data);
}
inline uint4_t Instruction::VRegA_22t(uint16_t inst_data) const {
DCHECK_EQ(FormatOf(Opcode()), k22t);
return InstA(inst_data);
}
inline uint8_t Instruction::VRegA_22x(uint16_t inst_data) const {
DCHECK_EQ(FormatOf(Opcode()), k22x);
return InstAA(inst_data);
}
inline uint8_t Instruction::VRegA_23x(uint16_t inst_data) const {
DCHECK_EQ(FormatOf(Opcode()), k23x);
return InstAA(inst_data);
}
inline int32_t Instruction::VRegA_30t() const {
DCHECK_EQ(FormatOf(Opcode()), k30t);
return static_cast<int32_t>(Fetch32(1));
}
inline uint8_t Instruction::VRegA_31c(uint16_t inst_data) const {
DCHECK_EQ(FormatOf(Opcode()), k31c);
return InstAA(inst_data);
}
inline uint8_t Instruction::VRegA_31i(uint16_t inst_data) const {
DCHECK_EQ(FormatOf(Opcode()), k31i);
return InstAA(inst_data);
}
inline uint8_t Instruction::VRegA_31t(uint16_t inst_data) const {
DCHECK_EQ(FormatOf(Opcode()), k31t);
return InstAA(inst_data);
}
inline uint16_t Instruction::VRegA_32x() const {
DCHECK_EQ(FormatOf(Opcode()), k32x);
return Fetch16(1);
}
inline uint4_t Instruction::VRegA_35c(uint16_t inst_data) const {
DCHECK_EQ(FormatOf(Opcode()), k35c);
return InstB(inst_data); // This is labeled A in the spec.
}
inline uint8_t Instruction::VRegA_3rc(uint16_t inst_data) const {
DCHECK_EQ(FormatOf(Opcode()), k3rc);
return InstAA(inst_data);
}
inline uint8_t Instruction::VRegA_51l(uint16_t inst_data) const {
DCHECK_EQ(FormatOf(Opcode()), k51l);
return InstAA(inst_data);
}
//------------------------------------------------------------------------------
// VRegB
//------------------------------------------------------------------------------
inline int4_t Instruction::VRegB_11n(uint16_t inst_data) const {
DCHECK_EQ(FormatOf(Opcode()), k11n);
return static_cast<int4_t>((InstB(inst_data) << 28) >> 28);
}
inline uint4_t Instruction::VRegB_12x(uint16_t inst_data) const {
DCHECK_EQ(FormatOf(Opcode()), k12x);
return InstB(inst_data);
}
inline uint16_t Instruction::VRegB_21c() const {
DCHECK_EQ(FormatOf(Opcode()), k21c);
return Fetch16(1);
}
inline uint16_t Instruction::VRegB_21h() const {
DCHECK_EQ(FormatOf(Opcode()), k21h);
return Fetch16(1);
}
inline int16_t Instruction::VRegB_21s() const {
DCHECK_EQ(FormatOf(Opcode()), k21s);
return static_cast<int16_t>(Fetch16(1));
}
inline int16_t Instruction::VRegB_21t() const {
DCHECK_EQ(FormatOf(Opcode()), k21t);
return static_cast<int16_t>(Fetch16(1));
}
inline uint8_t Instruction::VRegB_22b() const {
DCHECK_EQ(FormatOf(Opcode()), k22b);
return static_cast<uint8_t>(Fetch16(1) & 0xff);
}
inline uint4_t Instruction::VRegB_22c(uint16_t inst_data) const {
DCHECK_EQ(FormatOf(Opcode()), k22c);
return InstB(inst_data);
}
inline uint4_t Instruction::VRegB_22s(uint16_t inst_data) const {
DCHECK_EQ(FormatOf(Opcode()), k22s);
return InstB(inst_data);
}
inline uint4_t Instruction::VRegB_22t(uint16_t inst_data) const {
DCHECK_EQ(FormatOf(Opcode()), k22t);
return InstB(inst_data);
}
inline uint16_t Instruction::VRegB_22x() const {
DCHECK_EQ(FormatOf(Opcode()), k22x);
return Fetch16(1);
}
inline uint8_t Instruction::VRegB_23x() const {
DCHECK_EQ(FormatOf(Opcode()), k23x);
return static_cast<uint8_t>(Fetch16(1) & 0xff);
}
inline uint32_t Instruction::VRegB_31c() const {
DCHECK_EQ(FormatOf(Opcode()), k31c);
return Fetch32(1);
}
inline int32_t Instruction::VRegB_31i() const {
DCHECK_EQ(FormatOf(Opcode()), k31i);
return static_cast<int32_t>(Fetch32(1));
}
inline int32_t Instruction::VRegB_31t() const {
DCHECK_EQ(FormatOf(Opcode()), k31t);
return static_cast<int32_t>(Fetch32(1));
}
inline uint16_t Instruction::VRegB_32x() const {
DCHECK_EQ(FormatOf(Opcode()), k32x);
return Fetch16(2);
}
inline uint16_t Instruction::VRegB_35c() const {
DCHECK_EQ(FormatOf(Opcode()), k35c);
return Fetch16(1);
}
inline uint16_t Instruction::VRegB_3rc() const {
DCHECK_EQ(FormatOf(Opcode()), k3rc);
return Fetch16(1);
}
inline uint64_t Instruction::VRegB_51l() const {
DCHECK_EQ(FormatOf(Opcode()), k51l);
uint64_t vB_wide = Fetch32(1) | ((uint64_t) Fetch32(3) << 32);
return vB_wide;
}
//------------------------------------------------------------------------------
// VRegC
//------------------------------------------------------------------------------
inline int8_t Instruction::VRegC_22b() const {
DCHECK_EQ(FormatOf(Opcode()), k22b);
return static_cast<int8_t>(Fetch16(1) >> 8);
}
inline uint16_t Instruction::VRegC_22c() const {
DCHECK_EQ(FormatOf(Opcode()), k22c);
return Fetch16(1);
}
inline int16_t Instruction::VRegC_22s() const {
DCHECK_EQ(FormatOf(Opcode()), k22s);
return static_cast<int16_t>(Fetch16(1));
}
inline int16_t Instruction::VRegC_22t() const {
DCHECK_EQ(FormatOf(Opcode()), k22t);
return static_cast<int16_t>(Fetch16(1));
}
inline uint8_t Instruction::VRegC_23x() const {
DCHECK_EQ(FormatOf(Opcode()), k23x);
return static_cast<uint8_t>(Fetch16(1) >> 8);
}
inline uint4_t Instruction::VRegC_35c() const {
DCHECK_EQ(FormatOf(Opcode()), k35c);
return static_cast<uint4_t>(Fetch16(2) & 0x0f);
}
inline uint16_t Instruction::VRegC_3rc() const {
DCHECK_EQ(FormatOf(Opcode()), k3rc);
return Fetch16(2);
}
inline void Instruction::GetArgs(uint32_t arg[5], uint16_t inst_data) const {
DCHECK_EQ(FormatOf(Opcode()), k35c);
/*
* Note that the fields mentioned in the spec don't appear in
* their "usual" positions here compared to most formats. This
* was done so that the field names for the argument count and
* reference index match between this format and the corresponding
* range formats (3rc and friends).
*
* Bottom line: The argument count is always in vA, and the
* method constant (or equivalent) is always in vB.
*/
uint16_t regList = Fetch16(2);
uint4_t count = InstB(inst_data); // This is labeled A in the spec.
DCHECK_LE(count, 5U) << "Invalid arg count in 35c (" << count << ")";
/*
* Copy the argument registers into the arg[] array, and
* also copy the first argument (if any) into vC. (The
* DecodedInstruction structure doesn't have separate
* fields for {vD, vE, vF, vG}, so there's no need to make
* copies of those.) Note that cases 5..2 fall through.
*/
switch (count) {
case 5: arg[4] = InstA(inst_data);
case 4: arg[3] = (regList >> 12) & 0x0f;
case 3: arg[2] = (regList >> 8) & 0x0f;
case 2: arg[1] = (regList >> 4) & 0x0f;
case 1: arg[0] = regList & 0x0f; break;
default: // case 0
break; // Valid, but no need to do anything.
}
}
} // namespace art
#endif // ART_RUNTIME_DEX_INSTRUCTION_INL_H_