forked from OSchip/llvm-project
68 lines
1.6 KiB
C++
68 lines
1.6 KiB
C++
//===- Driver.h -----------------------------------------------------------===//
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//
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// The LLVM Linker
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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 LLD_ELF_DRIVER_H
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#define LLD_ELF_DRIVER_H
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#include "lld/Core/LLVM.h"
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#include "llvm/Option/ArgList.h"
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namespace lld {
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namespace elf2 {
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class LinkerDriver;
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extern LinkerDriver *Driver;
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class InputFile;
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// Entry point of the ELF linker.
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void link(ArrayRef<const char *> Args);
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LLVM_ATTRIBUTE_NORETURN void error(Twine Msg);
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void error(std::error_code EC, Twine Prefix);
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void error(std::error_code EC);
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template <typename T> void error(const ErrorOr<T> &V, Twine Prefix) {
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error(V.getError(), Prefix);
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}
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template <typename T> void error(const ErrorOr<T> &V) { error(V.getError()); }
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class ArgParser {
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public:
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// Parses command line options.
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llvm::opt::InputArgList parse(ArrayRef<const char *> Args);
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};
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class LinkerDriver {
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public:
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void link(ArrayRef<const char *> Args);
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private:
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ArgParser Parser;
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// Opens a file. Path has to be resolved already.
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MemoryBufferRef openFile(StringRef Path);
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// Driver is the owner of all opened files.
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// InputFiles have MemoryBufferRefs to them.
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std::vector<std::unique_ptr<MemoryBuffer>> OwningMBs;
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};
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// Create enum with OPT_xxx values for each option in Options.td
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enum {
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OPT_INVALID = 0,
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#define OPTION(_1, _2, ID, _4, _5, _6, _7, _8, _9, _10, _11) OPT_##ID,
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#include "Options.inc"
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#undef OPTION
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};
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} // namespace elf2
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} // namespace lld
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#endif
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