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0eef1c005d
This requires exposing some of the current function state from DwarfDebug. I hope there's not too much of that to expose as I go through all the functions, but it still seems nicer to expose singular data down to multiple consumers, than have consumers expose raw mapping data structures up to DwarfDebug for building subprograms. Part of a series of refactoring to allow subprograms in both the skeleton and dwo CUs under Fission. llvm-svn: 219060
76 lines
2.5 KiB
C++
76 lines
2.5 KiB
C++
//===-- llvm/CodeGen/DwarfCompileUnit.h - Dwarf Compile Unit ---*- 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 support for writing dwarf compile unit.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_CODEGEN_ASMPRINTER_DWARFCOMPILEUNIT_H
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#define LLVM_LIB_CODEGEN_ASMPRINTER_DWARFCOMPILEUNIT_H
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#include "DwarfUnit.h"
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#include "llvm/Support/Dwarf.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/IR/DebugInfo.h"
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namespace llvm {
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class AsmPrinter;
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class DIE;
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class DwarfDebug;
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class DwarfFile;
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class MCSymbol;
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class DwarfCompileUnit : public DwarfUnit {
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/// The attribute index of DW_AT_stmt_list in the compile unit DIE, avoiding
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/// the need to search for it in applyStmtList.
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unsigned stmtListIndex;
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public:
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DwarfCompileUnit(unsigned UID, DICompileUnit Node, AsmPrinter *A,
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DwarfDebug *DW, DwarfFile *DWU);
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void initStmtList(MCSymbol *DwarfLineSectionSym);
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/// Apply the DW_AT_stmt_list from this compile unit to the specified DIE.
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void applyStmtList(DIE &D);
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/// getOrCreateGlobalVariableDIE - get or create global variable DIE.
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DIE *getOrCreateGlobalVariableDIE(DIGlobalVariable GV);
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/// addLabelAddress - Add a dwarf label attribute data and value using
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/// either DW_FORM_addr or DW_FORM_GNU_addr_index.
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void addLabelAddress(DIE &Die, dwarf::Attribute Attribute,
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const MCSymbol *Label);
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/// addLocalLabelAddress - Add a dwarf label attribute data and value using
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/// DW_FORM_addr only.
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void addLocalLabelAddress(DIE &Die, dwarf::Attribute Attribute,
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const MCSymbol *Label);
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DwarfCompileUnit &getCU() override { return *this; }
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unsigned getOrCreateSourceID(StringRef FileName, StringRef DirName) override;
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/// addRange - Add an address range to the list of ranges for this unit.
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void addRange(RangeSpan Range);
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void attachLowHighPC(DIE &D, const MCSymbol *Begin, const MCSymbol *End);
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/// \brief Find DIE for the given subprogram and attach appropriate
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/// DW_AT_low_pc and DW_AT_high_pc attributes. If there are global
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/// variables in this scope then create and insert DIEs for these
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/// variables.
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DIE &updateSubprogramScopeDIE(DISubprogram SP);
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};
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} // end llvm namespace
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#endif
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