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Store and free the TargetObjectWriter. 

llvm-svn: 122070
This commit is contained in:
Rafael Espindola 2010-12-17 18:01:31 +00:00
parent 6b5e56c2b1
commit d11460a65b
1 changed files with 26 additions and 13 deletions
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39
llvm/lib/MC/ELFObjectWriter.cpp
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@ -11,6 +11,7 @@
//
//===----------------------------------------------------------------------===//
#include "llvm/ADT/OwningPtr.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/StringMap.h"
@ -148,6 +149,9 @@ namespace {
}
};
/// The target specific ELF writer instance.
llvm::OwningPtr<MCELFObjectTargetWriter> TargetObjectWriter;
SmallPtrSet<const MCSymbol *, 16> UsedInReloc;
SmallPtrSet<const MCSymbol *, 16> WeakrefUsedInReloc;
DenseMap<const MCSymbol *, const MCSymbol *> Renames;
@ -194,10 +198,12 @@ namespace {
const MCFragment &F) const;
public:
ELFObjectWriter(raw_ostream &_OS, bool _Is64Bit, bool IsLittleEndian,
ELFObjectWriter(MCELFObjectTargetWriter *MOTW,
raw_ostream &_OS, bool _Is64Bit, bool IsLittleEndian,
uint16_t _EMachine, bool _HasRelAddend,
Triple::OSType _OSType)
: MCObjectWriter(_OS, IsLittleEndian),
TargetObjectWriter(MOTW),
NeedsGOT(false), NeedsSymtabShndx(false),
Is64Bit(_Is64Bit), HasRelocationAddend(_HasRelAddend),
OSType(_OSType), EMachine(_EMachine) {
@ -375,7 +381,8 @@ namespace {
class X86ELFObjectWriter : public ELFObjectWriter {
public:
X86ELFObjectWriter(raw_ostream &_OS, bool _Is64Bit, bool IsLittleEndian,
X86ELFObjectWriter(MCELFObjectTargetWriter *MOTW,
raw_ostream &_OS, bool _Is64Bit, bool IsLittleEndian,
uint16_t _EMachine, bool _HasRelAddend,
Triple::OSType _OSType);
@ -391,7 +398,8 @@ namespace {
class ARMELFObjectWriter : public ELFObjectWriter {
public:
ARMELFObjectWriter(raw_ostream &_OS, bool _Is64Bit, bool IsLittleEndian,
ARMELFObjectWriter(MCELFObjectTargetWriter *MOTW,
raw_ostream &_OS, bool _Is64Bit, bool IsLittleEndian,
uint16_t _EMachine, bool _HasRelAddend,
Triple::OSType _OSType);
@ -406,7 +414,8 @@ namespace {
class MBlazeELFObjectWriter : public ELFObjectWriter {
public:
MBlazeELFObjectWriter(raw_ostream &_OS, bool _Is64Bit, bool IsLittleEndian,
MBlazeELFObjectWriter(MCELFObjectTargetWriter *MOTW,
raw_ostream &_OS, bool _Is64Bit, bool IsLittleEndian,
uint16_t _EMachine, bool _HasRelAddend,
Triple::OSType _OSType);
@ -1477,13 +1486,14 @@ MCObjectWriter *llvm::createELFObjectWriter(MCELFObjectTargetWriter *MOTW,
switch (EMachine) {
case ELF::EM_386:
case ELF::EM_X86_64:
return new X86ELFObjectWriter(OS, Is64Bit, IsLittleEndian, EMachine,
return new X86ELFObjectWriter(MOTW, OS, Is64Bit, IsLittleEndian, EMachine,
HasRelocationAddend, OSType); break;
case ELF::EM_ARM:
return new ARMELFObjectWriter(OS, Is64Bit, IsLittleEndian, EMachine,
return new ARMELFObjectWriter(MOTW, OS, Is64Bit, IsLittleEndian, EMachine,
HasRelocationAddend, OSType); break;
case ELF::EM_MBLAZE:
return new MBlazeELFObjectWriter(OS, Is64Bit, IsLittleEndian, EMachine,
return new MBlazeELFObjectWriter(MOTW, OS, Is64Bit, IsLittleEndian,
EMachine,
HasRelocationAddend, OSType); break;
default: llvm_unreachable("Unsupported architecture"); break;
}
@ -1493,11 +1503,12 @@ MCObjectWriter *llvm::createELFObjectWriter(MCELFObjectTargetWriter *MOTW,
/// START OF SUBCLASSES for ELFObjectWriter
//===- ARMELFObjectWriter -------------------------------------------===//
ARMELFObjectWriter::ARMELFObjectWriter(raw_ostream &_OS, bool _Is64Bit,
ARMELFObjectWriter::ARMELFObjectWriter(MCELFObjectTargetWriter *MOTW,
raw_ostream &_OS, bool _Is64Bit,
bool _IsLittleEndian,
uint16_t _EMachine, bool _HasRelocationAddend,
Triple::OSType _OSType)
: ELFObjectWriter(_OS, _Is64Bit, _IsLittleEndian, _EMachine,
: ELFObjectWriter(MOTW, _OS, _Is64Bit, _IsLittleEndian, _EMachine,
_HasRelocationAddend, _OSType)
{}
@ -1580,12 +1591,13 @@ unsigned ARMELFObjectWriter::GetRelocType(const MCValue &Target,
//===- MBlazeELFObjectWriter -------------------------------------------===//
MBlazeELFObjectWriter::MBlazeELFObjectWriter(raw_ostream &_OS, bool _Is64Bit,
MBlazeELFObjectWriter::MBlazeELFObjectWriter(MCELFObjectTargetWriter *MOTW,
raw_ostream &_OS, bool _Is64Bit,
bool _IsLittleEndian,
uint16_t _EMachine,
bool _HasRelocationAddend,
Triple::OSType _OSType)
: ELFObjectWriter(_OS, _Is64Bit, _IsLittleEndian, _EMachine,
: ELFObjectWriter(MOTW, _OS, _Is64Bit, _IsLittleEndian, _EMachine,
_HasRelocationAddend, _OSType) {
}
@ -1629,11 +1641,12 @@ unsigned MBlazeELFObjectWriter::GetRelocType(const MCValue &Target,
//===- X86ELFObjectWriter -------------------------------------------===//
X86ELFObjectWriter::X86ELFObjectWriter(raw_ostream &_OS, bool _Is64Bit,
X86ELFObjectWriter::X86ELFObjectWriter(MCELFObjectTargetWriter *MOTW,
raw_ostream &_OS, bool _Is64Bit,
bool _IsLittleEndian,
uint16_t _EMachine, bool _HasRelocationAddend,
Triple::OSType _OSType)
: ELFObjectWriter(_OS, _Is64Bit, _IsLittleEndian, _EMachine,
: ELFObjectWriter(MOTW, _OS, _Is64Bit, _IsLittleEndian, _EMachine,
_HasRelocationAddend, _OSType)
{}