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Print more information about relocations.

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With this patch llvm-readobj now prints if a relocation is pcrel, its length,
if it is extern and if it is scattered.

It also refactors the code a bit to use bit fields instead of shifts and
masks all over the place.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179294 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2013-04-11 16:31:37 +00:00
parent c37cb66e6e
commit 4edf092787
5 changed files with 124 additions and 90 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
tools/llvm-readobj/MachODumper.cpp
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@ -330,20 +330,28 @@ void MachODumper::printRelocation(section_iterator SecI,
relocation_iterator RelI) {
uint64_t Offset;
SmallString<32> RelocName;
int64_t Info;
StringRef SymbolName;
SymbolRef Symbol;
if (error(RelI->getOffset(Offset))) return;
if (error(RelI->getTypeName(RelocName))) return;
if (error(RelI->getAdditionalInfo(Info))) return;
if (error(RelI->getSymbol(Symbol))) return;
if (error(Symbol.getName(SymbolName))) return;
DataRefImpl DR = RelI->getRawDataRefImpl();
const MachOObjectFileBase::RelocationEntry *RE = Obj->getRelocation(DR);
bool IsScattered = Obj->isScattered(RE);
raw_ostream& OS = W.startLine();
OS << W.hex(Offset)
<< " " << RelocName
<< " " << Obj->isPCRel(RE)
<< " " << Obj->getLength(RE);
if (IsScattered)
OS << " n/a";
else
OS << " " << RE->External;
OS << " " << RelocName
<< " " << IsScattered
<< " " << (SymbolName.size() > 0 ? SymbolName : "-")
<< " " << W.hex(Info)
<< "\n";
}