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d85fc6e0b1
dead IsPCRel argument. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98117 91177308-0d34-0410-b5e6-96231b3b80d8
132 lines
4.0 KiB
C++
132 lines
4.0 KiB
C++
//===--- lib/CodeGen/DwarfPrinter.h - Dwarf Printer -------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// Emit general DWARF directives.
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//
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//===----------------------------------------------------------------------===//
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#ifndef CODEGEN_ASMPRINTER_DWARFPRINTER_H__
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#define CODEGEN_ASMPRINTER_DWARFPRINTER_H__
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#include "llvm/CodeGen/MachineLocation.h"
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#include "llvm/Support/Compiler.h"
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#include "llvm/Support/FormattedStream.h"
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#include <vector>
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namespace llvm {
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class AsmPrinter;
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class MachineFunction;
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class MachineModuleInfo;
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class Module;
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class MCAsmInfo;
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class TargetData;
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class TargetRegisterInfo;
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class GlobalValue;
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class MCSymbol;
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class Twine;
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class DwarfPrinter {
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protected:
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~DwarfPrinter() {}
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//===-------------------------------------------------------------==---===//
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// Core attributes used by the DWARF printer.
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//
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/// O - Stream to .s file.
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raw_ostream &O;
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/// Asm - Target of Dwarf emission.
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AsmPrinter *Asm;
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/// MAI - Target asm information.
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const MCAsmInfo *MAI;
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/// TD - Target data.
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const TargetData *TD;
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/// RI - Register Information.
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const TargetRegisterInfo *RI;
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/// M - Current module.
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Module *M;
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/// MF - Current machine function.
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const MachineFunction *MF;
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/// MMI - Collected machine module information.
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MachineModuleInfo *MMI;
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/// SubprogramCount - The running count of functions being compiled.
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unsigned SubprogramCount;
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DwarfPrinter(raw_ostream &OS, AsmPrinter *A, const MCAsmInfo *T);
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public:
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//===------------------------------------------------------------------===//
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// Accessors.
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//
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const AsmPrinter *getAsm() const { return Asm; }
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MachineModuleInfo *getMMI() const { return MMI; }
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const MCAsmInfo *getMCAsmInfo() const { return MAI; }
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const TargetData *getTargetData() const { return TD; }
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/// getDWLabel - Return the MCSymbol corresponding to the assembler temporary
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/// label with the specified stem and unique ID.
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MCSymbol *getDWLabel(const char *Name, unsigned ID) const;
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/// getTempLabel - Return an assembler temporary label with the specified
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/// name.
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MCSymbol *getTempLabel(const char *Name) const;
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/// SizeOfEncodedValue - Return the size of the encoding in bytes.
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unsigned SizeOfEncodedValue(unsigned Encoding) const;
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/// EmitEncodingByte - Emit a .byte 42 directive that corresponds to an
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/// encoding. If verbose assembly output is enabled, we output comments
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/// describing the encoding. Desc is a string saying what the encoding is
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/// specifying (e.g. "LSDA").
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void EmitEncodingByte(unsigned Val, const char *Desc);
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/// EmitCFAByte - Emit a .byte 42 directive for a DW_CFA_xxx value.
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void EmitCFAByte(unsigned Val);
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/// EmitSLEB128 - emit the specified signed leb128 value.
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void EmitSLEB128(int Value, const char *Desc) const;
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/// EmitULEB128 - emit the specified unsigned leb128 value.
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void EmitULEB128(unsigned Value, const char *Desc = 0,
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unsigned PadTo = 0) const;
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/// EmitReference - Emit a reference to a label.
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///
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void EmitReference(const MCSymbol *Sym, unsigned Encoding) const;
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void EmitReference(const GlobalValue *GV, unsigned Encoding) const;
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/// EmitDifference - Emit the difference between two labels.
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void EmitDifference(const MCSymbol *LabelHi, const MCSymbol *LabelLo,
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bool IsSmall = false);
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/// EmitSectionOffset - Emit Label-Section or use a special purpose directive
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/// to emit a section offset if the target has one.
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void EmitSectionOffset(const MCSymbol *Label, const MCSymbol *Section,
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bool IsSmall = false, bool isEH = false);
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/// EmitFrameMoves - Emit frame instructions to describe the layout of the
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/// frame.
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void EmitFrameMoves(const char *BaseLabel, unsigned BaseLabelID,
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const std::vector<MachineMove> &Moves, bool isEH);
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};
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} // end llvm namespace
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#endif
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