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9599f4edb3
Introduce an extension to support passing linker options to the linker. These would be ignored by older linkers, but newer linkers which support this feature would be able to process the linker. Emit a special discarded section `.linker-option`. The content of this section is a pair of strings (key, value). The key is a type identifier for the parameter. This allows for an argument free parameter that will be processed by the linker with the value being the parameter. As an example, `lib` identifies a library to be linked against, traditionally the `-l` argument for Unix-based linkers with the parameter being the library name. Thanks to James Henderson, Cary Coutant, Rafael Espinolda, Sean Silva for the valuable discussion on the design of this feature. llvm-svn: 323783
115 lines
3.6 KiB
C++
115 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 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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