forked from OSchip/llvm-project
89 lines
2.5 KiB
C++
89 lines
2.5 KiB
C++
//=== MachOWriter.h - Target-independent Mach-O writer support --*- 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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// This file defines the MachOWriter class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef MACHOWRITER_H
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#define MACHOWRITER_H
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#include "llvm/CodeGen/MachineFunctionPass.h"
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#include "llvm/Target/TargetMachine.h"
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namespace llvm {
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class GlobalVariable;
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class Mangler;
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class MCCodeEmitter;
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class MCContext;
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class MCStreamer;
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/// MachOWriter - This class implements the common target-independent code for
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/// writing Mach-O files. Targets should derive a class from this to
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/// parameterize the output format.
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///
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class MachOWriter : public MachineFunctionPass {
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static char ID;
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protected:
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/// Output stream to send the resultant object file to.
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///
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formatted_raw_ostream &O;
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/// Target machine description.
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///
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TargetMachine &TM;
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/// Target Asm Printer information.
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///
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const MCAsmInfo *MAI;
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/// MCCE - The MCCodeEmitter object that we are exposing to emit machine
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/// code for functions to the .o file.
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MCCodeEmitter *MCCE;
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/// OutContext - This is the context for the output file that we are
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/// streaming. This owns all of the global MC-related objects for the
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/// generated translation unit.
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MCContext &OutContext;
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/// OutStreamer - This is the MCStreamer object for the file we are
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/// generating. This contains the transient state for the current
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/// translation unit that we are generating (such as the current section
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/// etc).
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MCStreamer &OutStreamer;
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/// Name-mangler for global names.
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///
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Mangler *Mang;
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/// doInitialization - Emit the file header and all of the global variables
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/// for the module to the Mach-O file.
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bool doInitialization(Module &M);
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/// doFinalization - Now that the module has been completely processed, emit
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/// the Mach-O file to 'O'.
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bool doFinalization(Module &M);
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bool runOnMachineFunction(MachineFunction &MF);
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public:
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explicit MachOWriter(formatted_raw_ostream &O, TargetMachine &TM,
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const MCAsmInfo *T, MCCodeEmitter *MCE);
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virtual ~MachOWriter();
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virtual const char *getPassName() const {
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return "Mach-O Writer";
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}
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};
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}
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#endif
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