#ifndef LLVM_TARGET_ASM_INFO_H
#define LLVM_TARGET_ASM_INFO_H
+#include "llvm/MC/MachineLocation.h"
#include "llvm/MC/MCDirectives.h"
#include <cassert>
+#include <vector>
namespace llvm {
class MCExpr;
enum ExceptionsType { None, DwarfCFI, SjLj, ARM, Win64 };
}
+ namespace LCOMM {
+ enum LCOMMType { None, NoAlignment, ByteAlignment };
+ }
+
/// MCAsmInfo - This class is intended to be used as a base class for asm
/// properties and features specific to the target.
class MCAsmInfo {
//===------------------------------------------------------------------===//
// Properties to be set by the target writer, used to configure asm printer.
//
-
+
/// PointerSize - Pointer size in bytes.
/// Default is 4.
unsigned PointerSize;
const char *InlineAsmStart; // Defaults to "#APP\n"
const char *InlineAsmEnd; // Defaults to "#NO_APP\n"
+ /// Code16Directive, Code32Directive, Code64Directive - These are assembly
+ /// directives that tells the assembler to interpret the following
+ /// instructions differently.
+ const char *Code16Directive; // Defaults to ".code16"
+ const char *Code32Directive; // Defaults to ".code32"
+ const char *Code64Directive; // Defaults to ".code64"
+
/// AssemblerDialect - Which dialect of an assembler variant to use.
unsigned AssemblerDialect; // Defaults to 0
/// symbol names. This defaults to true.
bool AllowPeriodsInName;
+ /// AllowUTF8 - This is true if the assembler accepts UTF-8 input.
+ // FIXME: Make this a more general encoding setting?
+ bool AllowUTF8;
+
+ /// UseDataRegionDirectives - This is true if data region markers should
+ /// be printed as ".data_region/.end_data_region" directives. If false,
+ /// use "$d/$a" labels instead.
+ bool UseDataRegionDirectives;
+
//===--- Data Emission Directives -------------------------------------===//
/// ZeroDirective - this should be set to the directive used to get some
const char *Data32bitsDirective; // Defaults to "\t.long\t"
const char *Data64bitsDirective; // Defaults to "\t.quad\t"
+ /// GPRel64Directive - if non-null, a directive that is used to emit a word
+ /// which should be relocated as a 64-bit GP-relative offset, e.g. .gpdword
+ /// on Mips.
+ const char *GPRel64Directive; // Defaults to NULL.
+
/// GPRel32Directive - if non-null, a directive that is used to emit a word
/// which should be relocated as a 32-bit GP-relative offset, e.g. .gpword
/// on Mips or .gprel32 on Alpha.
/// .long a - b
bool HasAggressiveSymbolFolding; // Defaults to true.
- /// HasLCOMMDirective - This is true if the target supports the .lcomm
- /// directive.
- bool HasLCOMMDirective; // Defaults to false.
+ /// LCOMMDirectiveType - Describes if the target supports the .lcomm
+ /// directive and whether it has an alignment parameter.
+ LCOMM::LCOMMType LCOMMDirectiveType; // Defaults to LCOMM::None.
/// COMMDirectiveAlignmentIsInBytes - True is COMMDirective's optional
/// alignment is to be specified in bytes instead of log2(n).
const char* DwarfSectionOffsetDirective; // Defaults to NULL
/// DwarfRequiresRelocationForSectionOffset - True if we need to produce a
- // relocation when we want a section offset in dwarf.
+ /// relocation when we want a section offset in dwarf.
bool DwarfRequiresRelocationForSectionOffset; // Defaults to true;
- // DwarfUsesLabelOffsetDifference - True if Dwarf2 output can
- // use EmitLabelOffsetDifference.
- bool DwarfUsesLabelOffsetForRanges;
+ /// DwarfUsesRelocationsAcrossSections - True if Dwarf2 output generally
+ /// uses relocations for references to other .debug_* sections.
+ // FIXME: Can we replace DwarfRequiresRelocationForSectionOffset
+ // with this?
+ bool DwarfUsesRelocationsAcrossSections;
+
+ /// DwarfUsesRelocationsForStringPool - True if this Dwarf output must use
+ /// relocations to refer to entries in the string pool.
+ bool DwarfUsesRelocationsForStringPool;
/// DwarfRegNumForCFI - True if dwarf register numbers are printed
/// instead of symbolic register names in .cfi_* directives.
bool DwarfRegNumForCFI; // Defaults to false;
- //===--- CBE Asm Translation Table -----------------------------------===//
+ //===--- Prologue State ----------------------------------------------===//
- const char *const *AsmTransCBE; // Defaults to empty
+ std::vector<MachineMove> InitialFrameState;
public:
explicit MCAsmInfo();
const char *getData64bitsDirective(unsigned AS = 0) const {
return AS == 0 ? Data64bitsDirective : getDataASDirective(64, AS);
}
+ const char *getGPRel64Directive() const { return GPRel64Directive; }
const char *getGPRel32Directive() const { return GPRel32Directive; }
/// getNonexecutableStackSection - Targets can implement this method to
const char *getInlineAsmEnd() const {
return InlineAsmEnd;
}
+ const char *getCode16Directive() const {
+ return Code16Directive;
+ }
+ const char *getCode32Directive() const {
+ return Code32Directive;
+ }
+ const char *getCode64Directive() const {
+ return Code64Directive;
+ }
unsigned getAssemblerDialect() const {
return AssemblerDialect;
}
bool doesAllowPeriodsInName() const {
return AllowPeriodsInName;
}
+ bool doesAllowUTF8() const {
+ return AllowUTF8;
+ }
+ bool doesSupportDataRegionDirectives() const {
+ return UseDataRegionDirectives;
+ }
const char *getZeroDirective() const {
return ZeroDirective;
}
bool hasAggressiveSymbolFolding() const {
return HasAggressiveSymbolFolding;
}
- bool hasLCOMMDirective() const { return HasLCOMMDirective; }
+ LCOMM::LCOMMType getLCOMMDirectiveType() const {
+ return LCOMMDirectiveType;
+ }
bool hasDotTypeDotSizeDirective() const {return HasDotTypeDotSizeDirective;}
bool getCOMMDirectiveAlignmentIsInBytes() const {
return COMMDirectiveAlignmentIsInBytes;
ExceptionsType == ExceptionHandling::ARM ||
ExceptionsType == ExceptionHandling::Win64);
}
- bool doesDwarfUsesInlineInfoSection() const {
+ bool doesDwarfUseInlineInfoSection() const {
return DwarfUsesInlineInfoSection;
}
const char *getDwarfSectionOffsetDirective() const {
bool doesDwarfRequireRelocationForSectionOffset() const {
return DwarfRequiresRelocationForSectionOffset;
}
- bool doesDwarfUsesLabelOffsetForRanges() const {
- return DwarfUsesLabelOffsetForRanges;
+ bool doesDwarfUseRelocationsAcrossSections() const {
+ return DwarfUsesRelocationsAcrossSections;
+ }
+ bool doesDwarfUseRelocationsForStringPool() const {
+ return DwarfUsesRelocationsForStringPool;
}
bool useDwarfRegNumForCFI() const {
return DwarfRegNumForCFI;
}
- const char *const *getAsmCBE() const {
- return AsmTransCBE;
+
+ void addInitialFrameState(MCSymbol *label, const MachineLocation &D,
+ const MachineLocation &S) {
+ InitialFrameState.push_back(MachineMove(label, D, S));
+ }
+ const std::vector<MachineMove> &getInitialFrameState() const {
+ return InitialFrameState;
}
};
}
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