mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-11-03 14:21:30 +00:00
765aab84d6
This reverts commit r233055. It still causes buildbot failures (gcc running out of memory on several platforms, and a self-host failure on arm), although less than the previous time. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@233068 91177308-0d34-0410-b5e6-96231b3b80d8
70 lines
2.4 KiB
C++
70 lines
2.4 KiB
C++
//===-- ARMAsmBackend.h - ARM Assembler Backend -----------------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_LIB_TARGET_ARM_ARMASMBACKEND_H
|
|
#define LLVM_LIB_TARGET_ARM_ARMASMBACKEND_H
|
|
|
|
#include "MCTargetDesc/ARMFixupKinds.h"
|
|
#include "llvm/MC/MCAsmBackend.h"
|
|
#include "llvm/MC/MCSubtargetInfo.h"
|
|
|
|
using namespace llvm;
|
|
|
|
namespace {
|
|
|
|
class ARMAsmBackend : public MCAsmBackend {
|
|
const MCSubtargetInfo *STI;
|
|
bool isThumbMode; // Currently emitting Thumb code.
|
|
bool IsLittleEndian; // Big or little endian.
|
|
public:
|
|
ARMAsmBackend(const Target &T, StringRef TT, bool IsLittle)
|
|
: MCAsmBackend(), STI(ARM_MC::createARMMCSubtargetInfo(TT, "", "")),
|
|
isThumbMode(TT.startswith("thumb")), IsLittleEndian(IsLittle) {}
|
|
|
|
~ARMAsmBackend() override { delete STI; }
|
|
|
|
unsigned getNumFixupKinds() const override {
|
|
return ARM::NumTargetFixupKinds;
|
|
}
|
|
|
|
bool hasNOP() const { return (STI->getFeatureBits() & ARM::HasV6T2Ops) != 0; }
|
|
|
|
const MCFixupKindInfo &getFixupKindInfo(MCFixupKind Kind) const override;
|
|
|
|
/// processFixupValue - Target hook to process the literal value of a fixup
|
|
/// if necessary.
|
|
void processFixupValue(const MCAssembler &Asm, const MCAsmLayout &Layout,
|
|
const MCFixup &Fixup, const MCFragment *DF,
|
|
const MCValue &Target, uint64_t &Value,
|
|
bool &IsResolved) override;
|
|
|
|
void applyFixup(const MCFixup &Fixup, char *Data, unsigned DataSize,
|
|
uint64_t Value, bool IsPCRel) const override;
|
|
|
|
bool mayNeedRelaxation(const MCInst &Inst) const override;
|
|
|
|
bool fixupNeedsRelaxation(const MCFixup &Fixup, uint64_t Value,
|
|
const MCRelaxableFragment *DF,
|
|
const MCAsmLayout &Layout) const override;
|
|
|
|
void relaxInstruction(const MCInst &Inst, MCInst &Res) const override;
|
|
|
|
bool writeNopData(uint64_t Count, MCObjectWriter *OW) const override;
|
|
|
|
void handleAssemblerFlag(MCAssemblerFlag Flag) override;
|
|
|
|
unsigned getPointerSize() const { return 4; }
|
|
bool isThumb() const { return isThumbMode; }
|
|
void setIsThumb(bool it) { isThumbMode = it; }
|
|
bool isLittle() const { return IsLittleEndian; }
|
|
};
|
|
} // end anonymous namespace
|
|
|
|
#endif
|