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macho-dump: Add support for --dump-section-data and tweak a few format strings.

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llvm-svn: 120219
This commit is contained in:
Daniel Dunbar 2010-11-27 13:58:16 +00:00
parent 83224fc391
commit e308b8edab
3 changed files with 25 additions and 5 deletions
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2
llvm/include/llvm/Object/MachOObject.h
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@ -102,6 +102,8 @@ public:
return Is64Bit ? macho::Header64Size : macho::Header32Size;
}
StringRef getData(size_t Offset, size_t Size) const;
/// @}
/// @name String Table Data
/// @{

4
llvm/lib/Object/MachOObject.cpp
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@ -125,6 +125,10 @@ MachOObject *MachOObject::LoadFromBuffer(MemoryBuffer *Buffer,
return Object.take();
}
StringRef MachOObject::getData(size_t Offset, size_t Size) const {
return Buffer->getBuffer().substr(Offset,Size);
}
void MachOObject::RegisterStringTable(macho::SymtabLoadCommand &SLC) {
HasStringTable = true;
StringTable = Buffer->getBuffer().substr(SLC.StringTableOffset,

24
llvm/tools/macho-dump/macho-dump.cpp
View File

@ -12,6 +12,7 @@
//===----------------------------------------------------------------------===//
#include "llvm/Object/MachOObject.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Format.h"
@ -101,7 +102,7 @@ static int DumpSectionData(MachOObject &Obj, unsigned Index, StringRef Name,
outs() << " ('alignment', " << Align << ")\n";
outs() << " ('reloc_offset', " << RelocationTableOffset << ")\n";
outs() << " ('num_reloc', " << NumRelocationTableEntries << ")\n";
outs() << " ('flags', " << format("%#x", Flags) << ")\n";
outs() << " ('flags', " << format("0x%x", Flags) << ")\n";
outs() << " ('reserved1', " << Reserved1 << ")\n";
outs() << " ('reserved2', " << Reserved2 << ")\n";
if (Reserved3 != ~0ULL)
@ -120,11 +121,24 @@ static int DumpSectionData(MachOObject &Obj, unsigned Index, StringRef Name,
}
outs() << " # Relocation " << i << "\n";
outs() << " (('word-0', " << format("%#x", RE->Word0) << "),\n";
outs() << " ('word-1', " << format("%#x", RE->Word1) << ")),\n";
outs() << " (('word-0', " << format("0x%x", RE->Word0) << "),\n";
outs() << " ('word-1', " << format("0x%x", RE->Word1) << ")),\n";
}
outs() << " ])\n";
// Dump the section data, if requested.
if (ShowSectionData) {
outs() << " ('_section_data', '";
StringRef Data = Obj.getData(Offset, Size);
for (unsigned i = 0; i != Data.size(); ++i) {
if (i && (i % 4) == 0)
outs() << ' ';
outs() << hexdigit((Data[i] >> 4) & 0xF, /*LowerCase=*/true);
outs() << hexdigit((Data[i] >> 0) & 0xF, /*LowerCase=*/true);
}
outs() << "')\n";
}
return Res;
}
@ -207,7 +221,7 @@ static void DumpSymbolTableEntryData(MachOObject &Obj,
uint16_t Flags, uint64_t Value) {
outs() << " # Symbol " << Index << "\n";
outs() << " (('n_strx', " << StringIndex << ")\n";
outs() << " ('n_type', " << format("%#x", Type) << ")\n";
outs() << " ('n_type', " << format("0x%x", Type) << ")\n";
outs() << " ('n_sect', " << uint32_t(SectionIndex) << ")\n";
outs() << " ('n_desc', " << Flags << ")\n";
outs() << " ('n_value', " << Value << ")\n";
@ -307,7 +321,7 @@ static int DumpDysymtabCommand(MachOObject &Obj,
outs() << " # Indirect Symbol " << i << "\n";
outs() << " (('symbol_index', "
<< format("%#x", ISTE->Index) << "),),\n";
<< format("0x%x", ISTE->Index) << "),),\n";
}
outs() << " ])\n";