#ifndef LLVM_TARGET_TARGETLOWERINGOBJECTFILE_H
#define LLVM_TARGET_TARGETLOWERINGOBJECTFILE_H
-#include "llvm/ADT/StringRef.h"
+#include "llvm/Module.h"
+#include "llvm/MC/MCObjectFileInfo.h"
#include "llvm/MC/SectionKind.h"
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/StringRef.h"
namespace llvm {
class MachineModuleInfo;
class Mangler;
class MCAsmInfo;
+ class MCContext;
class MCExpr;
class MCSection;
class MCSectionMachO;
class MCSymbol;
- class MCContext;
+ class MCStreamer;
+ class NamedMDNode;
class GlobalValue;
class TargetMachine;
-class TargetLoweringObjectFile {
+class TargetLoweringObjectFile : public MCObjectFileInfo {
MCContext *Ctx;
TargetLoweringObjectFile(const TargetLoweringObjectFile&); // DO NOT IMPLEMENT
void operator=(const TargetLoweringObjectFile&); // DO NOT IMPLEMENT
-protected:
-
- TargetLoweringObjectFile();
-
- /// TextSection - Section directive for standard text.
- ///
- const MCSection *TextSection;
-
- /// DataSection - Section directive for standard data.
- ///
- const MCSection *DataSection;
- /// BSSSection - Section that is default initialized to zero.
- const MCSection *BSSSection;
-
- /// ReadOnlySection - Section that is readonly and can contain arbitrary
- /// initialized data. Targets are not required to have a readonly section.
- /// If they don't, various bits of code will fall back to using the data
- /// section for constants.
- const MCSection *ReadOnlySection;
-
- /// StaticCtorSection - This section contains the static constructor pointer
- /// list.
- const MCSection *StaticCtorSection;
-
- /// StaticDtorSection - This section contains the static destructor pointer
- /// list.
- const MCSection *StaticDtorSection;
-
- /// LSDASection - If exception handling is supported by the target, this is
- /// the section the Language Specific Data Area information is emitted to.
- const MCSection *LSDASection;
-
- /// EHFrameSection - If exception handling is supported by the target, this is
- /// the section the EH Frame is emitted to.
- const MCSection *EHFrameSection;
-
- // Dwarf sections for debug info. If a target supports debug info, these must
- // be set.
- const MCSection *DwarfAbbrevSection;
- const MCSection *DwarfInfoSection;
- const MCSection *DwarfLineSection;
- const MCSection *DwarfFrameSection;
- const MCSection *DwarfPubNamesSection;
- const MCSection *DwarfPubTypesSection;
- const MCSection *DwarfDebugInlineSection;
- const MCSection *DwarfStrSection;
- const MCSection *DwarfLocSection;
- const MCSection *DwarfARangesSection;
- const MCSection *DwarfRangesSection;
- const MCSection *DwarfMacroInfoSection;
-
- /// SupportsWeakEmptyEHFrame - True if target object file supports a
- /// weak_definition of constant 0 for an omitted EH frame.
- bool SupportsWeakOmittedEHFrame;
-
- /// IsFunctionEHSymbolGlobal - This flag is set to true if the ".eh" symbol
- /// for a function should be marked .globl.
- bool IsFunctionEHSymbolGlobal;
-
- /// IsFunctionEHFrameSymbolPrivate - This flag is set to true if the
- /// "EH_frame" symbol for EH information should be an assembler temporary (aka
- /// private linkage, aka an L or .L label) or false if it should be a normal
- /// non-.globl label. This defaults to true.
- bool IsFunctionEHFrameSymbolPrivate;
public:
-
MCContext &getContext() const { return *Ctx; }
+
+ TargetLoweringObjectFile() : MCObjectFileInfo(), Ctx(0) {}
virtual ~TargetLoweringObjectFile();
/// Initialize - this method must be called before any actual lowering is
/// done. This specifies the current context for codegen, and gives the
/// lowering implementations a chance to set up their default sections.
- virtual void Initialize(MCContext &ctx, const TargetMachine &TM) {
- Ctx = &ctx;
- }
-
- bool isFunctionEHSymbolGlobal() const {
- return IsFunctionEHSymbolGlobal;
- }
- bool isFunctionEHFrameSymbolPrivate() const {
- return IsFunctionEHFrameSymbolPrivate;
- }
- bool getSupportsWeakOmittedEHFrame() const {
- return SupportsWeakOmittedEHFrame;
- }
+ virtual void Initialize(MCContext &ctx, const TargetMachine &TM);
- const MCSection *getTextSection() const { return TextSection; }
- const MCSection *getDataSection() const { return DataSection; }
- const MCSection *getBSSSection() const { return BSSSection; }
- const MCSection *getStaticCtorSection() const { return StaticCtorSection; }
- const MCSection *getStaticDtorSection() const { return StaticDtorSection; }
- const MCSection *getLSDASection() const { return LSDASection; }
- const MCSection *getEHFrameSection() const { return EHFrameSection; }
- const MCSection *getDwarfAbbrevSection() const { return DwarfAbbrevSection; }
- const MCSection *getDwarfInfoSection() const { return DwarfInfoSection; }
- const MCSection *getDwarfLineSection() const { return DwarfLineSection; }
- const MCSection *getDwarfFrameSection() const { return DwarfFrameSection; }
- const MCSection *getDwarfPubNamesSection() const{return DwarfPubNamesSection;}
- const MCSection *getDwarfPubTypesSection() const{return DwarfPubTypesSection;}
- const MCSection *getDwarfDebugInlineSection() const {
- return DwarfDebugInlineSection;
- }
- const MCSection *getDwarfStrSection() const { return DwarfStrSection; }
- const MCSection *getDwarfLocSection() const { return DwarfLocSection; }
- const MCSection *getDwarfARangesSection() const { return DwarfARangesSection;}
- const MCSection *getDwarfRangesSection() const { return DwarfRangesSection; }
- const MCSection *getDwarfMacroInfoSection() const {
- return DwarfMacroInfoSection;
+ virtual void emitPersonalityValue(MCStreamer &Streamer,
+ const TargetMachine &TM,
+ const MCSymbol *Sym) const;
+
+ /// emitModuleFlags - Emit the module flags that the platform cares about.
+ virtual void emitModuleFlags(MCStreamer &,
+ ArrayRef<Module::ModuleFlagEntry>,
+ Mangler *, const TargetMachine &) const {
}
-
+
/// shouldEmitUsedDirectiveFor - This hook allows targets to selectively
/// decide not to emit the UsedDirective for some symbols in llvm.used.
/// FIXME: REMOVE this (rdar://7071300)
const TargetMachine &TM) const {
return SectionForGlobal(GV, getKindForGlobal(GV, TM), Mang, TM);
}
-
-
-
+
/// getExplicitSectionGlobal - Targets should implement this method to assign
/// a section to globals with an explicit section specfied. The
/// implementation of this method can assume that GV->hasSection() is true.
return 0;
}
- /// getSymbolForDwarfGlobalReference - Return an MCExpr to use for a reference
+ /// getExprForDwarfGlobalReference - Return an MCExpr to use for a reference
/// to the specified global variable from exception handling information.
///
virtual const MCExpr *
- getSymbolForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
- MachineModuleInfo *MMI, unsigned Encoding) const;
+ getExprForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
+ MachineModuleInfo *MMI, unsigned Encoding,
+ MCStreamer &Streamer) const;
- virtual const MCExpr *
- getSymbolForDwarfReference(const MCSymbol *Sym, MachineModuleInfo *MMI,
- unsigned Encoding) const;
+ // getCFIPersonalitySymbol - The symbol that gets passed to .cfi_personality.
+ virtual MCSymbol *
+ getCFIPersonalitySymbol(const GlobalValue *GV, Mangler *Mang,
+ MachineModuleInfo *MMI) const;
- virtual unsigned getPersonalityEncoding() const;
- virtual unsigned getLSDAEncoding() const;
- virtual unsigned getFDEEncoding() const;
- virtual unsigned getTTypeEncoding() const;
+ ///
+ const MCExpr *
+ getExprForDwarfReference(const MCSymbol *Sym, unsigned Encoding,
+ MCStreamer &Streamer) const;
+
+ virtual const MCSection *
+ getStaticCtorSection(unsigned Priority = 65535) const {
+ (void)Priority;
+ return StaticCtorSection;
+ }
+ virtual const MCSection *
+ getStaticDtorSection(unsigned Priority = 65535) const {
+ (void)Priority;
+ return StaticDtorSection;
+ }
protected:
virtual const MCSection *
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