mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-03-20 11:32:33 +00:00
Split MCELFStreamer into a header file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169603 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Logan Chien
parent
f722b007b2
commit
645016533d
109
include/llvm/MC/MCELFStreamer.h
Normal file
109
include/llvm/MC/MCELFStreamer.h
Normal file
@ -0,0 +1,109 @@
|
||||
//===- MCELFStreamer.h - MCStreamer ELF Object File Interface ---*- C++ -*-===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is distributed under the University of Illinois Open Source
|
||||
// License. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
#ifndef LLVM_MC_MCELFSTREAMER_H
|
||||
#define LLVM_MC_MCELFSTREAMER_H
|
||||
|
||||
#include "llvm/ADT/SmallPtrSet.h"
|
||||
#include "llvm/MC/MCDirectives.h"
|
||||
#include "llvm/MC/MCObjectStreamer.h"
|
||||
#include "llvm/MC/SectionKind.h"
|
||||
|
||||
#include <vector>
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
namespace llvm {
|
||||
class MCAsmBackend;
|
||||
class MCAssembler;
|
||||
class MCCodeEmitter;
|
||||
class MCExpr;
|
||||
class MCInst;
|
||||
class MCSymbol;
|
||||
class MCSymbolData;
|
||||
class raw_ostream;
|
||||
|
||||
class MCELFStreamer : public MCObjectStreamer {
|
||||
public:
|
||||
MCELFStreamer(MCContext &Context, MCAsmBackend &TAB,
|
||||
raw_ostream &OS, MCCodeEmitter *Emitter)
|
||||
: MCObjectStreamer(Context, TAB, OS, Emitter) {}
|
||||
|
||||
MCELFStreamer(MCContext &Context, MCAsmBackend &TAB,
|
||||
raw_ostream &OS, MCCodeEmitter *Emitter,
|
||||
MCAssembler *Assembler)
|
||||
: MCObjectStreamer(Context, TAB, OS, Emitter, Assembler) {}
|
||||
|
||||
virtual ~MCELFStreamer();
|
||||
|
||||
/// @name MCStreamer Interface
|
||||
/// @{
|
||||
|
||||
virtual void InitSections();
|
||||
virtual void ChangeSection(const MCSection *Section);
|
||||
virtual void EmitLabel(MCSymbol *Symbol);
|
||||
virtual void EmitAssemblerFlag(MCAssemblerFlag Flag);
|
||||
virtual void EmitThumbFunc(MCSymbol *Func);
|
||||
virtual void EmitAssignment(MCSymbol *Symbol, const MCExpr *Value);
|
||||
virtual void EmitWeakReference(MCSymbol *Alias, const MCSymbol *Symbol);
|
||||
virtual void EmitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute);
|
||||
virtual void EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue);
|
||||
virtual void EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
|
||||
unsigned ByteAlignment);
|
||||
virtual void BeginCOFFSymbolDef(const MCSymbol *Symbol);
|
||||
virtual void EmitCOFFSymbolStorageClass(int StorageClass);
|
||||
virtual void EmitCOFFSymbolType(int Type);
|
||||
virtual void EndCOFFSymbolDef();
|
||||
|
||||
virtual void EmitELFSize(MCSymbol *Symbol, const MCExpr *Value);
|
||||
|
||||
virtual void EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,
|
||||
unsigned ByteAlignment);
|
||||
|
||||
virtual void EmitZerofill(const MCSection *Section, MCSymbol *Symbol = 0,
|
||||
uint64_t Size = 0, unsigned ByteAlignment = 0);
|
||||
virtual void EmitTBSSSymbol(const MCSection *Section, MCSymbol *Symbol,
|
||||
uint64_t Size, unsigned ByteAlignment = 0);
|
||||
virtual void EmitValueImpl(const MCExpr *Value, unsigned Size,
|
||||
unsigned AddrSpace);
|
||||
|
||||
virtual void EmitFileDirective(StringRef Filename);
|
||||
|
||||
virtual void EmitTCEntry(const MCSymbol &S);
|
||||
|
||||
virtual void FinishImpl();
|
||||
/// @}
|
||||
|
||||
private:
|
||||
virtual void EmitInstToFragment(const MCInst &Inst);
|
||||
virtual void EmitInstToData(const MCInst &Inst);
|
||||
|
||||
void fixSymbolsInTLSFixups(const MCExpr *expr);
|
||||
|
||||
struct LocalCommon {
|
||||
MCSymbolData *SD;
|
||||
uint64_t Size;
|
||||
unsigned ByteAlignment;
|
||||
};
|
||||
|
||||
std::vector<LocalCommon> LocalCommons;
|
||||
|
||||
SmallPtrSet<MCSymbol *, 16> BindingExplicitlySet;
|
||||
|
||||
|
||||
void SetSection(StringRef Section, unsigned Type, unsigned Flags,
|
||||
SectionKind Kind);
|
||||
void SetSectionData();
|
||||
void SetSectionText();
|
||||
void SetSectionBss();
|
||||
};
|
||||
|
||||
} // end namespace llvm
|
||||
|
||||
#endif
|
||||
@ -11,7 +11,8 @@
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
#include "llvm/MC/MCStreamer.h"
|
||||
#include "llvm/MC/MCELFStreamer.h"
|
||||
|
||||
#include "MCELF.h"
|
||||
#include "llvm/ADT/SmallPtrSet.h"
|
||||
#include "llvm/ADT/StringExtras.h"
|
||||
@ -35,117 +36,37 @@
|
||||
|
||||
using namespace llvm;
|
||||
|
||||
namespace {
|
||||
class MCELFStreamer : public MCObjectStreamer {
|
||||
public:
|
||||
MCELFStreamer(MCContext &Context, MCAsmBackend &TAB,
|
||||
raw_ostream &OS, MCCodeEmitter *Emitter)
|
||||
: MCObjectStreamer(Context, TAB, OS, Emitter) {}
|
||||
|
||||
MCELFStreamer(MCContext &Context, MCAsmBackend &TAB,
|
||||
raw_ostream &OS, MCCodeEmitter *Emitter,
|
||||
MCAssembler *Assembler)
|
||||
: MCObjectStreamer(Context, TAB, OS, Emitter, Assembler) {}
|
||||
inline void MCELFStreamer::SetSection(StringRef Section, unsigned Type,
|
||||
unsigned Flags, SectionKind Kind) {
|
||||
SwitchSection(getContext().getELFSection(Section, Type, Flags, Kind));
|
||||
}
|
||||
|
||||
inline void MCELFStreamer::SetSectionData() {
|
||||
SetSection(".data",
|
||||
ELF::SHT_PROGBITS,
|
||||
ELF::SHF_WRITE | ELF::SHF_ALLOC,
|
||||
SectionKind::getDataRel());
|
||||
EmitCodeAlignment(4, 0);
|
||||
}
|
||||
|
||||
~MCELFStreamer() {}
|
||||
inline void MCELFStreamer::SetSectionText() {
|
||||
SetSection(".text",
|
||||
ELF::SHT_PROGBITS,
|
||||
ELF::SHF_EXECINSTR | ELF::SHF_ALLOC,
|
||||
SectionKind::getText());
|
||||
EmitCodeAlignment(4, 0);
|
||||
}
|
||||
|
||||
/// @name MCStreamer Interface
|
||||
/// @{
|
||||
inline void MCELFStreamer::SetSectionBss() {
|
||||
SetSection(".bss",
|
||||
ELF::SHT_NOBITS,
|
||||
ELF::SHF_WRITE | ELF::SHF_ALLOC,
|
||||
SectionKind::getBSS());
|
||||
EmitCodeAlignment(4, 0);
|
||||
}
|
||||
|
||||
virtual void InitSections();
|
||||
virtual void ChangeSection(const MCSection *Section);
|
||||
virtual void EmitLabel(MCSymbol *Symbol);
|
||||
virtual void EmitAssemblerFlag(MCAssemblerFlag Flag);
|
||||
virtual void EmitThumbFunc(MCSymbol *Func);
|
||||
virtual void EmitAssignment(MCSymbol *Symbol, const MCExpr *Value);
|
||||
virtual void EmitWeakReference(MCSymbol *Alias, const MCSymbol *Symbol);
|
||||
virtual void EmitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute);
|
||||
virtual void EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue) {
|
||||
llvm_unreachable("ELF doesn't support this directive");
|
||||
}
|
||||
virtual void EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
|
||||
unsigned ByteAlignment);
|
||||
virtual void BeginCOFFSymbolDef(const MCSymbol *Symbol) {
|
||||
llvm_unreachable("ELF doesn't support this directive");
|
||||
}
|
||||
|
||||
virtual void EmitCOFFSymbolStorageClass(int StorageClass) {
|
||||
llvm_unreachable("ELF doesn't support this directive");
|
||||
}
|
||||
|
||||
virtual void EmitCOFFSymbolType(int Type) {
|
||||
llvm_unreachable("ELF doesn't support this directive");
|
||||
}
|
||||
|
||||
virtual void EndCOFFSymbolDef() {
|
||||
llvm_unreachable("ELF doesn't support this directive");
|
||||
}
|
||||
|
||||
virtual void EmitELFSize(MCSymbol *Symbol, const MCExpr *Value) {
|
||||
MCSymbolData &SD = getAssembler().getOrCreateSymbolData(*Symbol);
|
||||
SD.setSize(Value);
|
||||
}
|
||||
|
||||
virtual void EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,
|
||||
unsigned ByteAlignment);
|
||||
|
||||
virtual void EmitZerofill(const MCSection *Section, MCSymbol *Symbol = 0,
|
||||
uint64_t Size = 0, unsigned ByteAlignment = 0) {
|
||||
llvm_unreachable("ELF doesn't support this directive");
|
||||
}
|
||||
virtual void EmitTBSSSymbol(const MCSection *Section, MCSymbol *Symbol,
|
||||
uint64_t Size, unsigned ByteAlignment = 0) {
|
||||
llvm_unreachable("ELF doesn't support this directive");
|
||||
}
|
||||
virtual void EmitValueImpl(const MCExpr *Value, unsigned Size,
|
||||
unsigned AddrSpace);
|
||||
|
||||
virtual void EmitFileDirective(StringRef Filename);
|
||||
|
||||
virtual void EmitTCEntry(const MCSymbol &S);
|
||||
|
||||
virtual void FinishImpl();
|
||||
|
||||
private:
|
||||
virtual void EmitInstToFragment(const MCInst &Inst);
|
||||
virtual void EmitInstToData(const MCInst &Inst);
|
||||
|
||||
void fixSymbolsInTLSFixups(const MCExpr *expr);
|
||||
|
||||
struct LocalCommon {
|
||||
MCSymbolData *SD;
|
||||
uint64_t Size;
|
||||
unsigned ByteAlignment;
|
||||
};
|
||||
std::vector<LocalCommon> LocalCommons;
|
||||
|
||||
SmallPtrSet<MCSymbol *, 16> BindingExplicitlySet;
|
||||
/// @}
|
||||
void SetSection(StringRef Section, unsigned Type, unsigned Flags,
|
||||
SectionKind Kind) {
|
||||
SwitchSection(getContext().getELFSection(Section, Type, Flags, Kind));
|
||||
}
|
||||
|
||||
void SetSectionData() {
|
||||
SetSection(".data", ELF::SHT_PROGBITS,
|
||||
ELF::SHF_WRITE |ELF::SHF_ALLOC,
|
||||
SectionKind::getDataRel());
|
||||
EmitCodeAlignment(4, 0);
|
||||
}
|
||||
void SetSectionText() {
|
||||
SetSection(".text", ELF::SHT_PROGBITS,
|
||||
ELF::SHF_EXECINSTR |
|
||||
ELF::SHF_ALLOC, SectionKind::getText());
|
||||
EmitCodeAlignment(4, 0);
|
||||
}
|
||||
void SetSectionBss() {
|
||||
SetSection(".bss", ELF::SHT_NOBITS,
|
||||
ELF::SHF_WRITE |
|
||||
ELF::SHF_ALLOC, SectionKind::getBSS());
|
||||
EmitCodeAlignment(4, 0);
|
||||
}
|
||||
};
|
||||
MCELFStreamer::~MCELFStreamer() {
|
||||
}
|
||||
|
||||
void MCELFStreamer::InitSections() {
|
||||
@ -341,6 +262,11 @@ void MCELFStreamer::EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
|
||||
SD.setSize(MCConstantExpr::Create(Size, getContext()));
|
||||
}
|
||||
|
||||
void MCELFStreamer::EmitELFSize(MCSymbol *Symbol, const MCExpr *Value) {
|
||||
MCSymbolData &SD = getAssembler().getOrCreateSymbolData(*Symbol);
|
||||
SD.setSize(Value);
|
||||
}
|
||||
|
||||
void MCELFStreamer::EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,
|
||||
unsigned ByteAlignment) {
|
||||
// FIXME: Should this be caught and done earlier?
|
||||
@ -487,3 +413,33 @@ MCStreamer *llvm::createELFStreamer(MCContext &Context, MCAsmBackend &MAB,
|
||||
S->getAssembler().setNoExecStack(true);
|
||||
return S;
|
||||
}
|
||||
|
||||
void MCELFStreamer::EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue) {
|
||||
llvm_unreachable("ELF doesn't support this directive");
|
||||
}
|
||||
|
||||
void MCELFStreamer::BeginCOFFSymbolDef(const MCSymbol *Symbol) {
|
||||
llvm_unreachable("ELF doesn't support this directive");
|
||||
}
|
||||
|
||||
void MCELFStreamer::EmitCOFFSymbolStorageClass(int StorageClass) {
|
||||
llvm_unreachable("ELF doesn't support this directive");
|
||||
}
|
||||
|
||||
void MCELFStreamer::EmitCOFFSymbolType(int Type) {
|
||||
llvm_unreachable("ELF doesn't support this directive");
|
||||
}
|
||||
|
||||
void MCELFStreamer::EndCOFFSymbolDef() {
|
||||
llvm_unreachable("ELF doesn't support this directive");
|
||||
}
|
||||
|
||||
void MCELFStreamer::EmitZerofill(const MCSection *Section, MCSymbol *Symbol,
|
||||
uint64_t Size, unsigned ByteAlignment) {
|
||||
llvm_unreachable("ELF doesn't support this directive");
|
||||
}
|
||||
|
||||
void MCELFStreamer::EmitTBSSSymbol(const MCSection *Section, MCSymbol *Symbol,
|
||||
uint64_t Size, unsigned ByteAlignment) {
|
||||
llvm_unreachable("ELF doesn't support this directive");
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user