1 //===-- ELFDump.cpp - ELF-specific dumper -----------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
11 /// \brief This file implements the ELF-specific dumper for llvm-objdump.
13 //===----------------------------------------------------------------------===//
15 #include "llvm-objdump.h"
16 #include "llvm/Object/ELF.h"
17 #include "llvm/Support/Format.h"
18 #include "llvm/Support/MathExtras.h"
19 #include "llvm/Support/raw_ostream.h"
22 using namespace llvm::object;
25 void printProgramHeaders(
26 const ELFObjectFile<ELFT> *o) {
27 typedef ELFObjectFile<ELFT> ELFO;
28 outs() << "Program Header:\n";
29 for (typename ELFO::Elf_Phdr_Iter pi = o->begin_program_headers(),
30 pe = o->end_program_headers();
36 case ELF::PT_GNU_STACK:
39 case ELF::PT_GNU_EH_FRAME:
40 outs() << "EH_FRAME ";
43 outs() << " UNKNOWN ";
46 const char *Fmt = ELFT::Is64Bits ? "0x%016" PRIx64 " " : "0x%08" PRIx64 " ";
49 << format(Fmt, (uint64_t)pi->p_offset)
51 << format(Fmt, (uint64_t)pi->p_vaddr)
53 << format(Fmt, (uint64_t)pi->p_paddr)
54 << format("align 2**%u\n", CountTrailingZeros_64(pi->p_align))
56 << format(Fmt, (uint64_t)pi->p_filesz)
58 << format(Fmt, (uint64_t)pi->p_memsz)
60 << ((pi->p_flags & ELF::PF_R) ? "r" : "-")
61 << ((pi->p_flags & ELF::PF_W) ? "w" : "-")
62 << ((pi->p_flags & ELF::PF_X) ? "x" : "-")
68 void llvm::printELFFileHeader(const object::ObjectFile *Obj) {
69 // Little-endian 32-bit
70 if (const ELFObjectFile<ELFType<support::little, 4, false> > *ELFObj =
71 dyn_cast<ELFObjectFile<ELFType<support::little, 4, false> > >(Obj))
72 printProgramHeaders(ELFObj);
75 if (const ELFObjectFile<ELFType<support::big, 4, false> > *ELFObj =
76 dyn_cast<ELFObjectFile<ELFType<support::big, 4, false> > >(Obj))
77 printProgramHeaders(ELFObj);
79 // Little-endian 64-bit
80 if (const ELFObjectFile<ELFType<support::little, 8, true> > *ELFObj =
81 dyn_cast<ELFObjectFile<ELFType<support::little, 8, true> > >(Obj))
82 printProgramHeaders(ELFObj);
85 if (const ELFObjectFile<ELFType<support::big, 8, true> > *ELFObj =
86 dyn_cast<ELFObjectFile<ELFType<support::big, 8, true> > >(Obj))
87 printProgramHeaders(ELFObj);