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https://github.com/c64scene-ar/llvm-6502.git
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71d94f8055
(instead of basenames) from DWARF. Use this behavior in llvm-dwarfdump tool. Reviewed by Benjamin Kramer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160496 91177308-0d34-0410-b5e6-96231b3b80d8
95 lines
2.9 KiB
C++
95 lines
2.9 KiB
C++
//===-- DIContext.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 defines DIContext, an abstract data structure that holds
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// debug information data.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_DEBUGINFO_DICONTEXT_H
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#define LLVM_DEBUGINFO_DICONTEXT_H
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#include "llvm/ADT/SmallString.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/DataTypes.h"
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namespace llvm {
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class raw_ostream;
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/// DILineInfo - a format-neutral container for source line information.
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class DILineInfo {
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SmallString<16> FileName;
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SmallString<16> FunctionName;
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uint32_t Line;
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uint32_t Column;
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public:
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DILineInfo()
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: FileName("<invalid>"), FunctionName("<invalid>"),
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Line(0), Column(0) {}
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DILineInfo(const SmallString<16> &fileName,
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const SmallString<16> &functionName,
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uint32_t line, uint32_t column)
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: FileName(fileName), FunctionName(functionName),
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Line(line), Column(column) {}
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const char *getFileName() { return FileName.c_str(); }
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const char *getFunctionName() { return FunctionName.c_str(); }
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uint32_t getLine() const { return Line; }
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uint32_t getColumn() const { return Column; }
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bool operator==(const DILineInfo &RHS) const {
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return Line == RHS.Line && Column == RHS.Column &&
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FileName.equals(RHS.FileName) &&
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FunctionName.equals(RHS.FunctionName);
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}
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bool operator!=(const DILineInfo &RHS) const {
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return !(*this == RHS);
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}
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};
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/// DILineInfoSpecifier - controls which fields of DILineInfo container
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/// should be filled with data.
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class DILineInfoSpecifier {
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const uint32_t Flags; // Or'ed flags that set the info we want to fetch.
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public:
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enum Specification {
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FileLineInfo = 1 << 0,
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AbsoluteFilePath = 1 << 1,
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FunctionName = 1 << 2
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};
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// Use file/line info by default.
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DILineInfoSpecifier(uint32_t flags = FileLineInfo) : Flags(flags) {}
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bool needs(Specification spec) const {
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return (Flags & spec) > 0;
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}
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};
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class DIContext {
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public:
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virtual ~DIContext();
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/// getDWARFContext - get a context for binary DWARF data.
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static DIContext *getDWARFContext(bool isLittleEndian,
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StringRef infoSection,
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StringRef abbrevSection,
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StringRef aRangeSection = StringRef(),
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StringRef lineSection = StringRef(),
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StringRef stringSection = StringRef());
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virtual void dump(raw_ostream &OS) = 0;
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virtual DILineInfo getLineInfoForAddress(uint64_t address,
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DILineInfoSpecifier specifier = DILineInfoSpecifier()) = 0;
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};
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}
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#endif
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