1/*
2 * Copyright 2011, The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "ELFHeader.h"
18#include "ELF.h"
19
20char const *ELFHeaderHelperMixin::getClassStr(int clazz) {
21  switch (clazz) {
22  default:
23#define CASE_PAIR(A, B) case A: return B;
24  CASE_PAIR(ELFCLASSNONE, "Invalid class")
25  CASE_PAIR(ELFCLASS32, "32bit")
26  CASE_PAIR(ELFCLASS64, "64bit")
27#undef CASE_PAIR
28  }
29}
30
31char const *ELFHeaderHelperMixin::getEndiannessStr(int endianness) {
32  switch (endianness) {
33  default:
34#define CASE_PAIR(A, B) case A: return B;
35  CASE_PAIR(ELFDATANONE, "Invalid endianness")
36  CASE_PAIR(ELFDATA2LSB, "Little endian")
37  CASE_PAIR(ELFDATA2MSB, "Big endian")
38#undef CASE_PAIR
39  }
40}
41
42char const *ELFHeaderHelperMixin::getOSABIStr(int abi) {
43  if (abi >= 64 && abi <= 255) {
44    return "Architecture specific";
45  }
46
47  switch (abi) {
48  default: return "Unknown OS ABI";
49#define CASE_PAIR(A, B) case A: return B;
50  CASE_PAIR(ELFOSABI_NONE, "No extensions or not specified")
51  CASE_PAIR(ELFOSABI_HPUX, "HP-UX")
52  CASE_PAIR(ELFOSABI_NETBSD, "NetBSD")
53  CASE_PAIR(ELFOSABI_LINUX, "Linux")
54  CASE_PAIR(ELFOSABI_SOLARIS, "Solaris")
55  CASE_PAIR(ELFOSABI_AIX, "AIX")
56  CASE_PAIR(ELFOSABI_FREEBSD, "FreeBSD")
57  CASE_PAIR(ELFOSABI_TRU64, "Tru64")
58  CASE_PAIR(ELFOSABI_MODESTO, "Modesto")
59  CASE_PAIR(ELFOSABI_OPENBSD, "OpenBSD")
60#undef CASE_PAIR
61  }
62}
63
64char const *ELFHeaderHelperMixin::getObjectTypeStr(uint16_t type) {
65  switch (type) {
66  default: return "No file type";
67
68  case ET_REL:  return "Relocatable file";
69  case ET_EXEC: return "Executable file";
70  case ET_DYN:  return "Shared object file";
71  case ET_CORE: return "Core file";
72
73  case ET_LOOS: case ET_HIOS:
74    return "Operating system-specific";
75
76  case ET_LOPROC: case ET_HIPROC:
77    return "Processor-specific";
78  }
79}
80
81char const *ELFHeaderHelperMixin::getMachineStr(uint16_t machine) {
82  switch (machine) {
83    default: return "No machine or unknown";
84    case EM_386: return "Intel 80386 (X86)";
85    case EM_X86_64: return "AMD x86-64 architecture";
86    case EM_ARM: return "Advanced RISC Machine (ARM)";
87    case EM_AARCH64: return "Advanced RISC Machine (ARM) V8";
88    case EM_MIPS: return "MIPS";
89  }
90}
91
92char const *ELFHeaderHelperMixin::getVersionStr(uint32_t version) {
93  switch (version) {
94    default: return "Invalid version";
95    case EV_CURRENT: return "Current version";
96  }
97}
98