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be886690bd
In the case where just tables are part of the function section, this produces more readable assembly by avoiding switching to the eh section and back to .text. This would also break with non unique section names, as trying to switch to a unique section actually creates a new one. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231677 91177308-0d34-0410-b5e6-96231b3b80d8
62 lines
2.0 KiB
C++
62 lines
2.0 KiB
C++
//===-- lib/CodeGen/AsmPrinter/AsmPrinterHandler.h -------------*- 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 contains a generic interface for AsmPrinter handlers,
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// like debug and EH info emitters.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_CODEGEN_ASMPRINTER_ASMPRINTERHANDLER_H
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#define LLVM_LIB_CODEGEN_ASMPRINTER_ASMPRINTERHANDLER_H
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#include "llvm/Support/DataTypes.h"
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namespace llvm {
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class MachineFunction;
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class MachineInstr;
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class MCSymbol;
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/// \brief Collects and handles AsmPrinter objects required to build debug
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/// or EH information.
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class AsmPrinterHandler {
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public:
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virtual ~AsmPrinterHandler();
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/// \brief For symbols that have a size designated (e.g. common symbols),
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/// this tracks that size.
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virtual void setSymbolSize(const MCSymbol *Sym, uint64_t Size) = 0;
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/// \brief Emit all sections that should come after the content.
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virtual void endModule() = 0;
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/// \brief Gather pre-function debug information.
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/// Every beginFunction(MF) call should be followed by an endFunction(MF)
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/// call.
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virtual void beginFunction(const MachineFunction *MF) = 0;
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// \brief Emit any of function marker (like .cfi_endproc). This is called
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// before endFunction and cannot switch sections.
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virtual void markFunctionEnd();
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/// \brief Gather post-function debug information.
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/// Please note that some AsmPrinter implementations may not call
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/// beginFunction at all.
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virtual void endFunction(const MachineFunction *MF) = 0;
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/// \brief Process beginning of an instruction.
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virtual void beginInstruction(const MachineInstr *MI) = 0;
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/// \brief Process end of an instruction.
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virtual void endInstruction() = 0;
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};
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} // End of namespace llvm
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#endif
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