mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-14 11:32:34 +00:00
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++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// ELF support for MC-JIT runtime dynamic linker.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_RUNTIME_DYLD_ELF_H
|
|
#define LLVM_RUNTIME_DYLD_ELF_H
|
|
|
|
#include "RuntimeDyldImpl.h"
|
|
|
|
using namespace llvm;
|
|
|
|
namespace llvm {
|
|
|
|
namespace {
|
|
// Helper for extensive error checking in debug builds.
|
|
error_code Check(error_code Err) {
|
|
if (Err) {
|
|
report_fatal_error(Err.message());
|
|
}
|
|
return Err;
|
|
}
|
|
} // end anonymous namespace
|
|
|
|
class RuntimeDyldELF : public RuntimeDyldImpl {
|
|
protected:
|
|
void resolveX86_64Relocation(const SectionEntry &Section,
|
|
uint64_t Offset,
|
|
uint64_t Value,
|
|
uint32_t Type,
|
|
int64_t Addend);
|
|
|
|
void resolveX86Relocation(const SectionEntry &Section,
|
|
uint64_t Offset,
|
|
uint32_t Value,
|
|
uint32_t Type,
|
|
int32_t Addend);
|
|
|
|
void resolveARMRelocation(const SectionEntry &Section,
|
|
uint64_t Offset,
|
|
uint32_t Value,
|
|
uint32_t Type,
|
|
int32_t Addend);
|
|
|
|
void resolveMIPSRelocation(const SectionEntry &Section,
|
|
uint64_t Offset,
|
|
uint32_t Value,
|
|
uint32_t Type,
|
|
int32_t Addend);
|
|
|
|
void resolvePPC64Relocation(const SectionEntry &Section,
|
|
uint64_t Offset,
|
|
uint64_t Value,
|
|
uint32_t Type,
|
|
int64_t Addend);
|
|
|
|
virtual void resolveRelocation(const SectionEntry &Section,
|
|
uint64_t Offset,
|
|
uint64_t Value,
|
|
uint32_t Type,
|
|
int64_t Addend);
|
|
|
|
virtual void processRelocationRef(const ObjRelocationInfo &Rel,
|
|
ObjectImage &Obj,
|
|
ObjSectionToIDMap &ObjSectionToID,
|
|
const SymbolTableMap &Symbols,
|
|
StubMap &Stubs);
|
|
|
|
unsigned getCommonSymbolAlignment(const SymbolRef &Sym);
|
|
|
|
virtual ObjectImage *createObjectImage(ObjectBuffer *InputBuffer);
|
|
|
|
uint64_t findPPC64TOC() const;
|
|
void findOPDEntrySection(ObjectImage &Obj,
|
|
ObjSectionToIDMap &LocalSections,
|
|
RelocationValueRef &Rel);
|
|
|
|
public:
|
|
RuntimeDyldELF(RTDyldMemoryManager *mm)
|
|
: RuntimeDyldImpl(mm) {}
|
|
|
|
virtual ~RuntimeDyldELF();
|
|
|
|
bool isCompatibleFormat(const ObjectBuffer *Buffer) const;
|
|
};
|
|
|
|
} // end namespace llvm
|
|
|
|
#endif
|