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Object FIle Representation At codegen time this is emitted into the ELF file a pair of symbol indices and a weight. In assembly it looks like: .cg_profile a, b, 32 .cg_profile freq, a, 11 .cg_profile freq, b, 20 When writing an ELF file these are put into a SHT_LLVM_CALL_GRAPH_PROFILE (0x6fff4c02) section as (uint32_t, uint32_t, uint64_t) tuples as (from symbol index, to symbol index, weight). Differential Revision: https://reviews.llvm.org/D44965 llvm-svn: 333823
116 lines
3.6 KiB
C++
116 lines
3.6 KiB
C++
//===-- ObjDumper.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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#ifndef LLVM_TOOLS_LLVM_READOBJ_OBJDUMPER_H
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#define LLVM_TOOLS_LLVM_READOBJ_OBJDUMPER_H
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#include <memory>
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#include <system_error>
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namespace llvm {
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namespace object {
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class COFFImportFile;
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class ObjectFile;
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}
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namespace codeview {
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class MergingTypeTableBuilder;
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}
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class ScopedPrinter;
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class ObjDumper {
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public:
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ObjDumper(ScopedPrinter &Writer);
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virtual ~ObjDumper();
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virtual void printFileHeaders() = 0;
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virtual void printSections() = 0;
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virtual void printRelocations() = 0;
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virtual void printSymbols() = 0;
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virtual void printDynamicSymbols() = 0;
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virtual void printUnwindInfo() = 0;
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// Only implemented for ELF at this time.
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virtual void printDynamicRelocations() { }
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virtual void printDynamicTable() { }
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virtual void printNeededLibraries() { }
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virtual void printProgramHeaders() { }
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virtual void printHashTable() { }
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virtual void printGnuHashTable() { }
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virtual void printLoadName() {}
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virtual void printVersionInfo() {}
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virtual void printGroupSections() {}
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virtual void printHashHistogram() {}
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virtual void printCGProfile() {}
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virtual void printNotes() {}
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virtual void printELFLinkerOptions() {}
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// Only implemented for ARM ELF at this time.
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virtual void printAttributes() { }
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// Only implemented for MIPS ELF at this time.
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virtual void printMipsPLTGOT() { }
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virtual void printMipsABIFlags() { }
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virtual void printMipsReginfo() { }
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virtual void printMipsOptions() { }
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// Only implemented for PE/COFF.
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virtual void printCOFFImports() { }
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virtual void printCOFFExports() { }
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virtual void printCOFFDirectives() { }
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virtual void printCOFFBaseReloc() { }
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virtual void printCOFFDebugDirectory() { }
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virtual void printCOFFResources() {}
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virtual void printCOFFLoadConfig() { }
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virtual void printCodeViewDebugInfo() { }
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virtual void
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mergeCodeViewTypes(llvm::codeview::MergingTypeTableBuilder &CVIDs,
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llvm::codeview::MergingTypeTableBuilder &CVTypes) {}
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// Only implemented for MachO.
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virtual void printMachODataInCode() { }
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virtual void printMachOVersionMin() { }
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virtual void printMachODysymtab() { }
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virtual void printMachOSegment() { }
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virtual void printMachOIndirectSymbols() { }
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virtual void printMachOLinkerOptions() { }
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virtual void printStackMap() const = 0;
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protected:
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ScopedPrinter &W;
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};
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std::error_code createCOFFDumper(const object::ObjectFile *Obj,
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ScopedPrinter &Writer,
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std::unique_ptr<ObjDumper> &Result);
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std::error_code createELFDumper(const object::ObjectFile *Obj,
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ScopedPrinter &Writer,
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std::unique_ptr<ObjDumper> &Result);
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std::error_code createMachODumper(const object::ObjectFile *Obj,
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ScopedPrinter &Writer,
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std::unique_ptr<ObjDumper> &Result);
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std::error_code createWasmDumper(const object::ObjectFile *Obj,
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ScopedPrinter &Writer,
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std::unique_ptr<ObjDumper> &Result);
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void dumpCOFFImportFile(const object::COFFImportFile *File,
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ScopedPrinter &Writer);
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void dumpCodeViewMergedTypes(
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ScopedPrinter &Writer, llvm::codeview::MergingTypeTableBuilder &IDTable,
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llvm::codeview::MergingTypeTableBuilder &TypeTable);
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} // namespace llvm
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#endif
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