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Diffstat (limited to 'contrib/llvm/tools/llvm-objdump/ELFDump.cpp')
-rw-r--r-- | contrib/llvm/tools/llvm-objdump/ELFDump.cpp | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/contrib/llvm/tools/llvm-objdump/ELFDump.cpp b/contrib/llvm/tools/llvm-objdump/ELFDump.cpp new file mode 100644 index 0000000..bd15231 --- /dev/null +++ b/contrib/llvm/tools/llvm-objdump/ELFDump.cpp @@ -0,0 +1,100 @@ +//===-- 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/ELF.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 ELFObjectFile<ELFT> *o) { + typedef ELFObjectFile<ELFT> ELFO; + outs() << "Program Header:\n"; + for (typename ELFO::Elf_Phdr_Iter pi = o->begin_program_headers(), + pe = o->end_program_headers(); + pi != pe; ++pi) { + switch (pi->p_type) { + case ELF::PT_LOAD: + outs() << " LOAD "; + break; + case ELF::PT_GNU_STACK: + outs() << " STACK "; + break; + case ELF::PT_GNU_EH_FRAME: + outs() << "EH_FRAME "; + break; + case ELF::PT_INTERP: + outs() << " INTERP "; + break; + case ELF::PT_DYNAMIC: + outs() << " DYNAMIC "; + 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)pi->p_offset) + << "vaddr " + << format(Fmt, (uint64_t)pi->p_vaddr) + << "paddr " + << format(Fmt, (uint64_t)pi->p_paddr) + << format("align 2**%u\n", CountTrailingZeros_64(pi->p_align)) + << " filesz " + << format(Fmt, (uint64_t)pi->p_filesz) + << "memsz " + << format(Fmt, (uint64_t)pi->p_memsz) + << "flags " + << ((pi->p_flags & ELF::PF_R) ? "r" : "-") + << ((pi->p_flags & ELF::PF_W) ? "w" : "-") + << ((pi->p_flags & ELF::PF_X) ? "x" : "-") + << "\n"; + } + outs() << "\n"; +} + +void llvm::printELFFileHeader(const object::ObjectFile *Obj) { + // Little-endian 32-bit + if (const ELFObjectFile<ELFType<support::little, 4, false> > *ELFObj = + dyn_cast<ELFObjectFile<ELFType<support::little, 4, false> > >(Obj)) + printProgramHeaders(ELFObj); + + // Big-endian 32-bit + if (const ELFObjectFile<ELFType<support::big, 4, false> > *ELFObj = + dyn_cast<ELFObjectFile<ELFType<support::big, 4, false> > >(Obj)) + printProgramHeaders(ELFObj); + + // Little-endian 64-bit + if (const ELFObjectFile<ELFType<support::little, 8, true> > *ELFObj = + dyn_cast<ELFObjectFile<ELFType<support::little, 8, true> > >(Obj)) + printProgramHeaders(ELFObj); + + // Big-endian 64-bit + if (const ELFObjectFile<ELFType<support::big, 8, true> > *ELFObj = + dyn_cast<ELFObjectFile<ELFType<support::big, 8, true> > >(Obj)) + printProgramHeaders(ELFObj); +} |