mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-12-12 14:06:36 +00:00
106 lines
3.4 KiB
C++
106 lines
3.4 KiB
C++
//===-- ELFDump.cpp - ELF-specific dumper -----------------------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
///
|
|
/// \file
|
|
/// \brief This file implements the ELF-specific dumper for llvm-objdump.
|
|
///
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm-objdump.h"
|
|
#include "llvm/Object/ELFObjectFile.h"
|
|
#include "llvm/Support/Format.h"
|
|
#include "llvm/Support/MathExtras.h"
|
|
#include "llvm/Support/raw_ostream.h"
|
|
|
|
using namespace llvm;
|
|
using namespace llvm::object;
|
|
|
|
template <class ELFT> void printProgramHeaders(const ELFFile<ELFT> *o) {
|
|
typedef ELFFile<ELFT> ELFO;
|
|
outs() << "Program Header:\n";
|
|
auto ProgramHeaderOrError = o->program_headers();
|
|
if (!ProgramHeaderOrError)
|
|
report_fatal_error(
|
|
errorToErrorCode(ProgramHeaderOrError.takeError()).message());
|
|
for (const typename ELFO::Elf_Phdr &Phdr : *ProgramHeaderOrError) {
|
|
switch (Phdr.p_type) {
|
|
case ELF::PT_DYNAMIC:
|
|
outs() << " DYNAMIC ";
|
|
break;
|
|
case ELF::PT_GNU_EH_FRAME:
|
|
outs() << "EH_FRAME ";
|
|
break;
|
|
case ELF::PT_GNU_RELRO:
|
|
outs() << " RELRO ";
|
|
break;
|
|
case ELF::PT_GNU_STACK:
|
|
outs() << " STACK ";
|
|
break;
|
|
case ELF::PT_INTERP:
|
|
outs() << " INTERP ";
|
|
break;
|
|
case ELF::PT_LOAD:
|
|
outs() << " LOAD ";
|
|
break;
|
|
case ELF::PT_NOTE:
|
|
outs() << " NOTE ";
|
|
break;
|
|
case ELF::PT_OPENBSD_BOOTDATA:
|
|
outs() << " OPENBSD_BOOTDATA ";
|
|
break;
|
|
case ELF::PT_OPENBSD_RANDOMIZE:
|
|
outs() << " OPENBSD_RANDOMIZE ";
|
|
break;
|
|
case ELF::PT_OPENBSD_WXNEEDED:
|
|
outs() << " OPENBSD_WXNEEDED ";
|
|
break;
|
|
case ELF::PT_PHDR:
|
|
outs() << " PHDR ";
|
|
break;
|
|
case ELF::PT_TLS:
|
|
outs() << " TLS ";
|
|
break;
|
|
default:
|
|
outs() << " UNKNOWN ";
|
|
}
|
|
|
|
const char *Fmt = ELFT::Is64Bits ? "0x%016" PRIx64 " " : "0x%08" PRIx64 " ";
|
|
|
|
outs() << "off " << format(Fmt, (uint64_t)Phdr.p_offset) << "vaddr "
|
|
<< format(Fmt, (uint64_t)Phdr.p_vaddr) << "paddr "
|
|
<< format(Fmt, (uint64_t)Phdr.p_paddr)
|
|
<< format("align 2**%u\n",
|
|
countTrailingZeros<uint64_t>(Phdr.p_align))
|
|
<< " filesz " << format(Fmt, (uint64_t)Phdr.p_filesz)
|
|
<< "memsz " << format(Fmt, (uint64_t)Phdr.p_memsz) << "flags "
|
|
<< ((Phdr.p_flags & ELF::PF_R) ? "r" : "-")
|
|
<< ((Phdr.p_flags & ELF::PF_W) ? "w" : "-")
|
|
<< ((Phdr.p_flags & ELF::PF_X) ? "x" : "-") << "\n";
|
|
}
|
|
outs() << "\n";
|
|
}
|
|
|
|
void llvm::printELFFileHeader(const object::ObjectFile *Obj) {
|
|
// Little-endian 32-bit
|
|
if (const ELF32LEObjectFile *ELFObj = dyn_cast<ELF32LEObjectFile>(Obj))
|
|
printProgramHeaders(ELFObj->getELFFile());
|
|
|
|
// Big-endian 32-bit
|
|
if (const ELF32BEObjectFile *ELFObj = dyn_cast<ELF32BEObjectFile>(Obj))
|
|
printProgramHeaders(ELFObj->getELFFile());
|
|
|
|
// Little-endian 64-bit
|
|
if (const ELF64LEObjectFile *ELFObj = dyn_cast<ELF64LEObjectFile>(Obj))
|
|
printProgramHeaders(ELFObj->getELFFile());
|
|
|
|
// Big-endian 64-bit
|
|
if (const ELF64BEObjectFile *ELFObj = dyn_cast<ELF64BEObjectFile>(Obj))
|
|
printProgramHeaders(ELFObj->getELFFile());
|
|
}
|