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llvm-mirror/lib/Target/ARM/MCTargetDesc/ARMTargetStreamer.cpp
Weiming Zhao d9cb22f267 [ARM] [MC] Refactor the constant pool classes
ARMTargetStreamer implements ConstantPool and AssmeblerConstantPools
to keep track of assembler-generated constant pools that are used for
ldr-pseudo.

When implementing ldr-pseudo for AArch64, these two classes can be reused.
So this patch factors them out from ARM target to the general MC lib.

llvm-svn: 211198
2014-06-18 18:17:25 +00:00

118 lines
3.9 KiB
C++

//===- ARMTargetStreamer.cpp - ARMTargetStreamer class --*- C++ -*---------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the ARMTargetStreamer class.
//
//===----------------------------------------------------------------------===//
#include "llvm/ADT/MapVector.h"
#include "llvm/MC/ConstantPools.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCStreamer.h"
using namespace llvm;
//
// ARMTargetStreamer Implemenation
//
ARMTargetStreamer::ARMTargetStreamer(MCStreamer &S)
: MCTargetStreamer(S), ConstantPools(new AssemblerConstantPools()) {}
ARMTargetStreamer::~ARMTargetStreamer() {}
// The constant pool handling is shared by all ARMTargetStreamer
// implementations.
const MCExpr *ARMTargetStreamer::addConstantPoolEntry(const MCExpr *Expr) {
return ConstantPools->addEntry(Streamer, Expr);
}
void ARMTargetStreamer::emitCurrentConstantPool() {
ConstantPools->emitForCurrentSection(Streamer);
}
// finish() - write out any non-empty assembler constant pools.
void ARMTargetStreamer::finish() { ConstantPools->emitAll(Streamer); }
// The remaining callbacks should be handled separately by each
// streamer.
void ARMTargetStreamer::emitFnStart() {
llvm_unreachable("unimplemented");
}
void ARMTargetStreamer::emitFnEnd() {
llvm_unreachable("unimplemented");
}
void ARMTargetStreamer::emitCantUnwind() {
llvm_unreachable("unimplemented");
}
void ARMTargetStreamer::emitPersonality(const MCSymbol *Personality) {
llvm_unreachable("unimplemented");
}
void ARMTargetStreamer::emitPersonalityIndex(unsigned Index) {
llvm_unreachable("unimplemented");
}
void ARMTargetStreamer::emitHandlerData() {
llvm_unreachable("unimplemented");
}
void ARMTargetStreamer::emitSetFP(unsigned FpReg, unsigned SpReg,
int64_t Offset) {
llvm_unreachable("unimplemented");
}
void ARMTargetStreamer::emitMovSP(unsigned Reg, int64_t Offset) {
llvm_unreachable("unimplemented");
}
void ARMTargetStreamer::emitPad(int64_t Offset) {
llvm_unreachable("unimplemented");
}
void
ARMTargetStreamer::emitRegSave(const SmallVectorImpl<unsigned> &RegList,
bool isVector) {
llvm_unreachable("unimplemented");
}
void ARMTargetStreamer::emitUnwindRaw(
int64_t StackOffset, const SmallVectorImpl<uint8_t> &Opcodes) {
llvm_unreachable("unimplemented");
}
void ARMTargetStreamer::switchVendor(StringRef Vendor) {
llvm_unreachable("unimplemented");
}
void ARMTargetStreamer::emitAttribute(unsigned Attribute, unsigned Value) {
llvm_unreachable("unimplemented");
}
void ARMTargetStreamer::emitTextAttribute(unsigned Attribute,
StringRef String) {
llvm_unreachable("unimplemented");
}
void ARMTargetStreamer::emitIntTextAttribute(unsigned Attribute,
unsigned IntValue,
StringRef StringValue) {
llvm_unreachable("unimplemented");
}
void ARMTargetStreamer::emitArch(unsigned Arch) {
llvm_unreachable("unimplemented");
}
void ARMTargetStreamer::emitObjectArch(unsigned Arch) {
llvm_unreachable("unimplemented");
}
void ARMTargetStreamer::emitFPU(unsigned FPU) {
llvm_unreachable("unimplemented");
}
void ARMTargetStreamer::finishAttributeSection() {
llvm_unreachable("unimplemented");
}
void ARMTargetStreamer::emitInst(uint32_t Inst, char Suffix) {
llvm_unreachable("unimplemented");
}
void ARMTargetStreamer::AnnotateTLSDescriptorSequence(
const MCSymbolRefExpr *SRE) {
llvm_unreachable("unimplemented");
}
void ARMTargetStreamer::emitThumbSet(MCSymbol *Symbol, const MCExpr *Value) {
llvm_unreachable("unimplemented");
}