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Use StringRefMemoryObject. NFC.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221502 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2014-11-07 00:52:15 +00:00
parent bb642c4369
commit 751848bb02
1 changed files with 5 additions and 34 deletions
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39
tools/llvm-objdump/MachODump.cpp
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@ -1391,35 +1391,6 @@ const char *SymbolizerSymbolLookUp(void *DisInfo, uint64_t ReferenceValue,
return SymbolName;
}
//
// This is the memory object used by DisAsm->getInstruction() which has its
// BasePC. This then allows the 'address' parameter to getInstruction() to
// be the actual PC of the instruction. Then when a branch dispacement is
// added to the PC of an instruction, the 'ReferenceValue' passed to the
// SymbolizerSymbolLookUp() routine is the correct target addresses. As in
// the case of a fully linked Mach-O file where a section being disassembled
// generally not linked at address zero.
//
class DisasmMemoryObject : public MemoryObject {
const uint8_t *Bytes;
uint64_t Size;
uint64_t BasePC;
public:
DisasmMemoryObject(const uint8_t *bytes, uint64_t size, uint64_t basePC)
: Bytes(bytes), Size(size), BasePC(basePC) {}
uint64_t getBase() const override { return BasePC; }
uint64_t getExtent() const override { return Size; }
int readByte(uint64_t Addr, uint8_t *Byte) const override {
if (Addr - BasePC >= Size)
return -1;
*Byte = Bytes[Addr - BasePC];
return 0;
}
};
/// \brief Emits the comments that are stored in the CommentStream.
/// Each comment in the CommentStream must end with a newline.
static void emitComments(raw_svector_ostream &CommentStream,
@ -1643,8 +1614,8 @@ static void DisassembleInputMachO2(StringRef Filename,
StringRef Bytes;
Sections[SectIdx].getContents(Bytes);
uint64_t SectAddress = Sections[SectIdx].getAddress();
DisasmMemoryObject MemoryObject((const uint8_t *)Bytes.data(), Bytes.size(),
SectAddress);
StringRefMemoryObject MemoryObject(Bytes, SectAddress);
bool symbolTableWorked = false;
// Parse relocations.
@ -1743,9 +1714,9 @@ static void DisassembleInputMachO2(StringRef Filename,
uint64_t Size;
symbolTableWorked = true;
DisasmMemoryObject SectionMemoryObject((const uint8_t *)Bytes.data() +
Start,
End - Start, SectAddress + Start);
StringRef Data(Bytes.data() + Start, End - Start);
StringRefMemoryObject SectionMemoryObject(Data, SectAddress + Start);
DataRefImpl Symb = Symbols[SymIdx].getRawDataRefImpl();
bool isThumb =