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https://github.com/c64scene-ar/llvm-6502.git
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a307a1cf85
Some ELF relocations require adding the a value to the original contents of the object buffer at the specified location. In order to properly handle multiple applications of a relocation, the RuntimeDyld code should be grabbing the original value from the object buffer and writing a new value into the loaded section buffer. This patch changes the parameters passed to resolveRelocations to accommodate this need. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167304 91177308-0d34-0410-b5e6-96231b3b80d8
98 lines
3.1 KiB
C++
98 lines
3.1 KiB
C++
//===-- RuntimeDyldELF.h - Run-time dynamic linker for MC-JIT ---*- 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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// ELF support for MC-JIT runtime dynamic linker.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_RUNTIME_DYLD_ELF_H
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#define LLVM_RUNTIME_DYLD_ELF_H
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#include "RuntimeDyldImpl.h"
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using namespace llvm;
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namespace llvm {
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namespace {
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// Helper for extensive error checking in debug builds.
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error_code Check(error_code Err) {
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if (Err) {
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report_fatal_error(Err.message());
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}
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return Err;
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}
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} // end anonymous namespace
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class RuntimeDyldELF : public RuntimeDyldImpl {
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protected:
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void resolveX86_64Relocation(const SectionEntry &Section,
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uint64_t Offset,
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uint64_t Value,
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uint32_t Type,
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int64_t Addend);
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void resolveX86Relocation(const SectionEntry &Section,
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uint64_t Offset,
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uint32_t Value,
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uint32_t Type,
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int32_t Addend);
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void resolveARMRelocation(const SectionEntry &Section,
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uint64_t Offset,
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uint32_t Value,
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uint32_t Type,
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int32_t Addend);
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void resolveMIPSRelocation(const SectionEntry &Section,
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uint64_t Offset,
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uint32_t Value,
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uint32_t Type,
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int32_t Addend);
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void resolvePPC64Relocation(const SectionEntry &Section,
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uint64_t Offset,
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uint64_t Value,
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uint32_t Type,
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int64_t Addend);
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virtual void resolveRelocation(const SectionEntry &Section,
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uint64_t Offset,
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uint64_t Value,
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uint32_t Type,
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int64_t Addend);
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virtual void processRelocationRef(const ObjRelocationInfo &Rel,
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ObjectImage &Obj,
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ObjSectionToIDMap &ObjSectionToID,
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const SymbolTableMap &Symbols,
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StubMap &Stubs);
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unsigned getCommonSymbolAlignment(const SymbolRef &Sym);
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virtual ObjectImage *createObjectImage(ObjectBuffer *InputBuffer);
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uint64_t findPPC64TOC() const;
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void findOPDEntrySection(ObjectImage &Obj,
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ObjSectionToIDMap &LocalSections,
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RelocationValueRef &Rel);
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public:
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RuntimeDyldELF(RTDyldMemoryManager *mm)
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: RuntimeDyldImpl(mm) {}
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virtual ~RuntimeDyldELF();
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bool isCompatibleFormat(const ObjectBuffer *Buffer) const;
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};
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} // end namespace llvm
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#endif
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