1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
//===-- 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;
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);
}
|
