Fangrui Song aa708763d3 [MC] Add parameter Address to MCInstPrinter::printInst
printInst prints a branch/call instruction as `b offset` (there are many
variants on various targets) instead of `b address`.

It is a convention to use address instead of offset in most external
symbolizers/disassemblers. This difference makes `llvm-objdump -d`
output unsatisfactory.

Add `uint64_t Address` to printInst(), so that it can pass the argument to
printInstruction(). `raw_ostream &OS` is moved to the last to be
consistent with other print* methods.

The next step is to pass `Address` to printInstruction() (generated by
tablegen from the instruction set description). We can gradually migrate
targets to print addresses instead of offsets.

In any case, downstream projects which don't know `Address` can pass 0 as
the argument.

Reviewed By: jhenderson

Differential Revision: https://reviews.llvm.org/D72172
2020-01-06 20:42:22 -08:00

77 lines
3.4 KiB
C++

//===- PPCInstPrinter.h - Convert PPC MCInst to assembly syntax -*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This class prints an PPC MCInst to a .s file.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_POWERPC_MCTARGETDESC_PPCINSTPRINTER_H
#define LLVM_LIB_TARGET_POWERPC_MCTARGETDESC_PPCINSTPRINTER_H
#include "llvm/ADT/Triple.h"
#include "llvm/MC/MCInstPrinter.h"
namespace llvm {
class PPCInstPrinter : public MCInstPrinter {
Triple TT;
private:
bool showRegistersWithPercentPrefix(const char *RegName) const;
bool showRegistersWithPrefix() const;
const char *getVerboseConditionRegName(unsigned RegNum,
unsigned RegEncoding) const;
public:
PPCInstPrinter(const MCAsmInfo &MAI, const MCInstrInfo &MII,
const MCRegisterInfo &MRI, Triple T)
: MCInstPrinter(MAI, MII, MRI), TT(T) {}
void printRegName(raw_ostream &OS, unsigned RegNo) const override;
void printInst(const MCInst *MI, uint64_t Address, StringRef Annot,
const MCSubtargetInfo &STI, raw_ostream &O) override;
// Autogenerated by tblgen.
void printInstruction(const MCInst *MI, raw_ostream &O);
static const char *getRegisterName(unsigned RegNo);
bool printAliasInstr(const MCInst *MI, raw_ostream &OS);
void printCustomAliasOperand(const MCInst *MI, unsigned OpIdx,
unsigned PrintMethodIdx,
raw_ostream &OS);
void printOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printPredicateOperand(const MCInst *MI, unsigned OpNo,
raw_ostream &O, const char *Modifier = nullptr);
void printATBitsAsHint(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printU1ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printU2ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printU3ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printU4ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printS5ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printU5ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printU6ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printU7ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printU8ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printU10ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printU12ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printS16ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printU16ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printBranchOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printAbsBranchOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printTLSCall(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printcrbitm(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printMemRegImm(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printMemRegReg(const MCInst *MI, unsigned OpNo, raw_ostream &O);
};
} // end namespace llvm
#endif