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135 lines
4.1 KiB
135 lines
4.1 KiB
//===-- llvm/MC/MCInst.h - MCInst class -------------------------*- C++ -*-===// |
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// |
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// The LLVM Compiler Infrastructure |
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// |
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// This file is distributed under the University of Illinois Open Source |
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// License. See LICENSE.TXT for details. |
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// |
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//===----------------------------------------------------------------------===// |
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// |
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// This file contains the declaration of the MCInst and MCOperand classes, which |
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// is the basic representation used to represent low-level machine code |
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// instructions. |
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// |
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//===----------------------------------------------------------------------===// |
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/* Capstone Disassembly Engine */ |
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/* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013-2015 */ |
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#ifndef CS_MCINST_H |
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#define CS_MCINST_H |
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#include "include/capstone/capstone.h" |
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typedef struct MCInst MCInst; |
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typedef struct cs_struct cs_struct; |
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typedef struct MCOperand MCOperand; |
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/// MCOperand - Instances of this class represent operands of the MCInst class. |
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/// This is a simple discriminated union. |
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struct MCOperand { |
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enum { |
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kInvalid = 0, ///< Uninitialized. |
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kRegister, ///< Register operand. |
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kImmediate, ///< Immediate operand. |
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kFPImmediate, ///< Floating-point immediate operand. |
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} MachineOperandType; |
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unsigned char Kind; |
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union { |
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unsigned RegVal; |
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int64_t ImmVal; |
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double FPImmVal; |
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}; |
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}; |
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bool MCOperand_isValid(const MCOperand *op); |
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bool MCOperand_isReg(const MCOperand *op); |
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bool MCOperand_isImm(const MCOperand *op); |
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bool MCOperand_isFPImm(const MCOperand *op); |
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bool MCOperand_isInst(const MCOperand *op); |
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/// getReg - Returns the register number. |
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unsigned MCOperand_getReg(const MCOperand *op); |
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/// setReg - Set the register number. |
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void MCOperand_setReg(MCOperand *op, unsigned Reg); |
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int64_t MCOperand_getImm(MCOperand *op); |
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void MCOperand_setImm(MCOperand *op, int64_t Val); |
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double MCOperand_getFPImm(const MCOperand *op); |
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void MCOperand_setFPImm(MCOperand *op, double Val); |
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const MCInst *MCOperand_getInst(const MCOperand *op); |
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void MCOperand_setInst(MCOperand *op, const MCInst *Val); |
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// create Reg operand in the next slot |
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void MCOperand_CreateReg0(MCInst *inst, unsigned Reg); |
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// create Reg operand use the last-unused slot |
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MCOperand *MCOperand_CreateReg1(MCInst *inst, unsigned Reg); |
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// create Imm operand in the next slot |
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void MCOperand_CreateImm0(MCInst *inst, int64_t Val); |
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// create Imm operand in the last-unused slot |
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MCOperand *MCOperand_CreateImm1(MCInst *inst, int64_t Val); |
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/// MCInst - Instances of this class represent a single low-level machine |
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/// instruction. |
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struct MCInst { |
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unsigned OpcodePub; |
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uint8_t size; // number of operands |
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bool has_imm; // indicate this instruction has an X86_OP_IMM operand - used for ATT syntax |
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uint8_t op1_size; // size of 1st operand - for X86 Intel syntax |
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unsigned Opcode; |
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MCOperand Operands[48]; |
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cs_insn *flat_insn; // insn to be exposed to public |
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uint64_t address; // address of this insn |
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cs_struct *csh; // save the main csh |
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uint8_t x86opsize; // opsize for [mem] operand |
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// (Optional) instruction prefix, which can be up to 4 bytes. |
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// A prefix byte gets value 0 when irrelevant. |
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// This is copied from cs_x86 struct |
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uint8_t x86_prefix[4]; |
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uint8_t imm_size; // immediate size for X86_OP_IMM operand |
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bool writeback; // writeback for ARM |
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// operand access index for list of registers sharing the same access right (for ARM) |
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uint8_t ac_idx; |
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uint8_t popcode_adjust; // Pseudo X86 instruction adjust |
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char assembly[8]; // for special instruction, so that we dont need printer |
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unsigned char evm_data[32]; // for EVM PUSH operand |
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}; |
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void MCInst_Init(MCInst *inst); |
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void MCInst_clear(MCInst *inst); |
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// do not free operand after inserting |
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void MCInst_insert0(MCInst *inst, int index, MCOperand *Op); |
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void MCInst_setOpcode(MCInst *inst, unsigned Op); |
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unsigned MCInst_getOpcode(const MCInst*); |
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void MCInst_setOpcodePub(MCInst *inst, unsigned Op); |
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unsigned MCInst_getOpcodePub(const MCInst*); |
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MCOperand *MCInst_getOperand(MCInst *inst, unsigned i); |
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unsigned MCInst_getNumOperands(const MCInst *inst); |
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// This addOperand2 function doesnt free Op |
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void MCInst_addOperand2(MCInst *inst, MCOperand *Op); |
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#endif
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