ebf09360ec
Split up the CRuntimeFile into one part for output types that need an entry point and another part for output types that use stubs. Add file 'test/mach-o/Inputs/libSystem.yaml' for use by test cases that use -dylib and therefore may now need the helper symbol in libSystem.dylib. llvm-svn: 215602
68 lines
1.6 KiB
C++
68 lines
1.6 KiB
C++
//===- lib/ReaderWriter/MachO/ExecutableAtoms.hpp -------------------------===//
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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_READER_WRITER_MACHO_EXECUTABLE_ATOMS_H
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#define LLD_READER_WRITER_MACHO_EXECUTABLE_ATOMS_H
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#include "llvm/Support/MachO.h"
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#include "lld/Core/DefinedAtom.h"
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#include "lld/Core/File.h"
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#include "lld/Core/LinkingContext.h"
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#include "lld/Core/Reference.h"
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#include "lld/Core/Simple.h"
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#include "lld/Core/UndefinedAtom.h"
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#include "lld/ReaderWriter/MachOLinkingContext.h"
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namespace lld {
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namespace mach_o {
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//
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// CEntryFile adds an UndefinedAtom for "_main" so that the Resolving
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// phase will fail if "_main" is undefined.
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//
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class CEntryFile : public SimpleFile {
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public:
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CEntryFile(const MachOLinkingContext &context)
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: SimpleFile("C entry"),
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_undefMain(*this, context.entrySymbolName()) {
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this->addAtom(_undefMain);
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}
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private:
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SimpleUndefinedAtom _undefMain;
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};
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//
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// StubHelperFile adds an UndefinedAtom for "dyld_stub_binder" so that
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// the Resolveing phase will fail if "dyld_stub_binder" is undefined.
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//
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class StubHelperFile : public SimpleFile {
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public:
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StubHelperFile(const MachOLinkingContext &context)
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: SimpleFile("stub runtime"),
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_undefBinder(*this, context.binderSymbolName()) {
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this->addAtom(_undefBinder);
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}
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private:
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SimpleUndefinedAtom _undefBinder;
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};
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} // namespace mach_o
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} // namespace lld
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#endif // LLD_READER_WRITER_MACHO_EXECUTABLE_ATOMS_H
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