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
getClassStr(int clazz)20 char 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
getEndiannessStr(int endianness)31 char 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
getOSABIStr(int abi)42 char 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
getObjectTypeStr(uint16_t type)64 char 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
getMachineStr(uint16_t machine)81 char 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_MIPS: return "MIPS";
88 }
89 }
90
getVersionStr(uint32_t version)91 char const *ELFHeaderHelperMixin::getVersionStr(uint32_t version) {
92 switch (version) {
93 default: return "Invalid version";
94 case EV_CURRENT: return "Current version";
95 }
96 }
97