1#!/bin/bash 2 3[ -f testing.sh ] && . testing.sh 4 5#testing "name" "command" "result" "infile" "stdin" 6 7elf=$FILES/elf/ndk-elf-note 8 9# toybox uses Linux kernel architecture names, so rewrite binutils with sed. 10NOSPACE=1 testing "-h" "readelf -hW $elf-full | sed s/AArch64/arm64/g" \ 11"ELF Header: 12 Magic: 7f 45 4c 46 02 01 01 00 00 00 00 00 00 00 00 00 13 Class: ELF64 14 Data: 2's complement, little endian 15 Version: 1 (current) 16 OS/ABI: UNIX - System V 17 ABI Version: 0 18 Type: DYN (Shared object file) 19 Machine: arm64 20 Version: 0x1 21 Entry point address: 0x660 22 Start of program headers: 64 (bytes into file) 23 Start of section headers: 7776 (bytes into file) 24 Flags: 0x0 25 Size of this header: 64 (bytes) 26 Size of program headers: 56 (bytes) 27 Number of program headers: 9 28 Size of section headers: 64 (bytes) 29 Number of section headers: 32 30 Section header string table index: 29 31" "" "" 32 33# We format the key to flags differently and don't include obsolete ones. 34NOSPACE=1 testing "-S" "readelf -SW $elf-full | head -36" \ 35"There are 32 section headers, starting at offset 0x1e60: 36 37Section Headers: 38 [Nr] Name Type Address Off Size ES Flg Lk Inf Al 39 [ 0] NULL 0000000000000000 000000 000000 00 0 0 0 40 [ 1] .interp PROGBITS 0000000000000238 000238 000015 00 A 0 0 1 41 [ 2] .note.android.ident NOTE 0000000000000250 000250 000098 00 A 0 0 4 42 [ 3] .note.gnu.build-id NOTE 00000000000002e8 0002e8 000024 00 A 0 0 4 43 [ 4] .hash HASH 0000000000000310 000310 000048 04 A 5 0 8 44 [ 5] .dynsym DYNSYM 0000000000000358 000358 000138 18 A 6 3 8 45 [ 6] .dynstr STRTAB 0000000000000490 000490 000097 00 A 0 0 1 46 [ 7] .gnu.version VERSYM 0000000000000528 000528 00001a 02 A 5 0 2 47 [ 8] .gnu.version_r VERNEED 0000000000000548 000548 000020 00 A 6 1 8 48 [ 9] .rela.dyn RELA 0000000000000568 000568 000060 18 A 5 0 8 49 [10] .rela.plt RELA 00000000000005c8 0005c8 000048 18 AI 5 19 8 50 [11] .plt PROGBITS 0000000000000610 000610 000050 10 AX 0 0 16 51 [12] .text PROGBITS 0000000000000660 000660 00008c 00 AX 0 0 4 52 [13] .eh_frame_hdr PROGBITS 00000000000006ec 0006ec 000014 00 A 0 0 4 53 [14] .eh_frame PROGBITS 0000000000000700 000700 000030 00 A 0 0 8 54 [15] .preinit_array PREINIT_ARRAY 0000000000010d68 000d68 000010 08 WA 0 0 8 55 [16] .init_array INIT_ARRAY 0000000000010d78 000d78 000010 08 WA 0 0 8 56 [17] .fini_array FINI_ARRAY 0000000000010d88 000d88 000010 08 WA 0 0 8 57 [18] .dynamic DYNAMIC 0000000000010d98 000d98 000210 10 WA 6 0 8 58 [19] .got PROGBITS 0000000000010fa8 000fa8 000058 08 WA 0 0 8 59 [20] .bss NOBITS 0000000000011000 001000 000008 00 WA 0 0 8 60 [21] .comment PROGBITS 0000000000000000 001000 000107 01 MS 0 0 1 61 [22] .debug_pubnames PROGBITS 0000000000000000 001107 00001b 00 0 0 1 62 [23] .debug_info PROGBITS 0000000000000000 001122 00004b 00 0 0 1 63 [24] .debug_abbrev PROGBITS 0000000000000000 00116d 000037 00 0 0 1 64 [25] .debug_line PROGBITS 0000000000000000 0011a4 00003f 00 0 0 1 65 [26] .debug_str PROGBITS 0000000000000000 0011e3 000138 01 MS 0 0 1 66 [27] .debug_macinfo PROGBITS 0000000000000000 00131b 000001 00 0 0 1 67 [28] .debug_pubtypes PROGBITS 0000000000000000 00131c 00001a 00 0 0 1 68 [29] .shstrtab STRTAB 0000000000000000 001d0c 000151 00 0 0 1 69 [30] .symtab SYMTAB 0000000000000000 001338 0007e0 18 31 68 8 70 [31] .strtab STRTAB 0000000000000000 001b18 0001f4 00 0 0 1 71" "" "" 72 73# Verify many section header flags display properly. 74NOSPACE=1 testing "-S flags" "readelf -SW $elf-shflags | head -32" \ 75"There are 28 section headers, starting at offset 0xc74: 76 77Section Headers: 78 [Nr] Name Type Address Off Size ES Flg Lk Inf Al 79 [ 0] NULL 00000000 000000 000000 00 0 0 0 80 [ 1] .interp PROGBITS 000001b4 0001b4 000013 00 A 0 0 1 81 [ 2] .note.android.ident NOTE 000001c8 0001c8 000018 00 A 0 0 4 82 [ 3] .note.gnu.build-id NOTE 000001e0 0001e0 000020 00 A 0 0 4 83 [ 4] .dynsym DYNSYM 00000200 000200 000060 10 A 8 1 4 84 [ 5] .gnu.version VERSYM 00000260 000260 00000c 02 A 4 0 2 85 [ 6] .gnu.version_r VERNEED 0000026c 00026c 000020 00 A 8 1 4 86 [ 7] .gnu.hash GNU_HASH 0000028c 00028c 000018 00 A 4 0 4 87 [ 8] .dynstr STRTAB 000002a4 0002a4 000064 00 A 0 0 1 88 [ 9] .rel.dyn ANDROID_REL 00000308 000308 00000d 01 A 4 0 4 89 [10] .relr.dyn RELR 00000318 000318 00000c 04 A 0 0 4 90 [11] .ARM.exidx ARM_EXIDX 00000324 000324 000028 00 AL 14 0 4 91 [12] .rel.plt REL 0000034c 00034c 000020 08 AI 4 19 4 92 [13] .rodata PROGBITS 0000036c 00036c 000015 01 AMS 0 0 1 93 [14] .text PROGBITS 00001384 000384 0001c4 00 AX 0 0 4 94 [15] .plt PROGBITS 00001550 000550 000060 00 AX 0 0 16 95 [16] .tdata PROGBITS 000025c0 0005c0 000000 00 WAT 0 0 32 96 [17] .dynamic DYNAMIC 000025c0 0005c0 0000d0 08 WA 8 0 4 97 [18] .got PROGBITS 00002690 000690 000010 00 WA 0 0 4 98 [19] .got.plt PROGBITS 000026a0 0006a0 00001c 00 WA 0 0 4 99 [20] .data PROGBITS 000036bc 0006bc 00000c 00 WA 0 0 4 100 [21] .comment PROGBITS 00000000 0006c8 0000cc 01 MS 0 0 1 101 [22] .ARM.attributes ATTRIBUTES 00000000 000794 000042 00 0 0 1 102 [23] .debug_frame PROGBITS 00000000 0007d8 00007a 00 C 0 0 4 103 [24] .symtab SYMTAB 00000000 000854 000220 10 26 27 4 104 [25] .shstrtab STRTAB 00000000 000a74 00010e 00 0 0 1 105 [26] .strtab STRTAB 00000000 000b82 0000de 00 0 0 1 106 [27] .gnu_debuglink PROGBITS 00000000 000c60 000014 00 0 0 4 107" "" "" 108 109testing "-l" "readelf -lW $elf-short" " 110Elf file type is DYN (Shared object file) 111Entry point 0x1001 112There are 10 program headers, starting at offset 52 113 114Program Headers: 115 Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align 116 PHDR 0x000034 0x00000034 0x00000034 0x00140 0x00140 R 0x4 117 INTERP 0x000174 0x00000174 0x00000174 0x00013 0x00013 R 0x1 118 [Requesting program interpreter: /system/bin/linker] 119 LOAD 0x000000 0x00000000 0x00000000 0x00404 0x00404 R 0x1000 120 LOAD 0x001000 0x00001000 0x00001000 0x00140 0x00140 R E 0x1000 121 LOAD 0x002000 0x00002000 0x00002000 0x00144 0x00144 RW 0x1000 122 DYNAMIC 0x002018 0x00002018 0x00002018 0x00100 0x00100 RW 0x4 123 GNU_RELRO 0x002000 0x00002000 0x00002000 0x00144 0x01000 R 0x1 124 GNU_STACK 0x000000 0x00000000 0x00000000 0x00000 0x00000 RW 0 125 NOTE 0x000188 0x00000188 0x00000188 0x00038 0x00038 R 0x4 126 EXIDX 0x0001c0 0x000001c0 0x000001c0 0x00030 0x00030 R 0x4 127 128 Section to Segment mapping: 129 Segment Sections... 130 00 131 01 .interp 132 02 .interp .note.android.ident .note.gnu.build-id .ARM.exidx .dynsym .gnu.version .gnu.version_r .gnu.hash .dynstr .rel.dyn .relr.dyn .rel.plt 133 03 .text .plt 134 04 .preinit_array .init_array .fini_array .dynamic .got .got.plt 135 05 .dynamic 136 06 .preinit_array .init_array .fini_array .dynamic .got .got.plt 137 07 138 08 .note.android.ident .note.gnu.build-id 139 09 .ARM.exidx 140" "" "" 141 142# binutils doesn't line up the column headers for 64-bit ELF files. 143# TODO: binutils readelf lies about trailing NULL entires binutils ld produces 144NOSPACE=1 toyonly testing "-d" "readelf -dW $elf-full" " 145Dynamic section at offset 0xd98 contains 33 entries: 146 Tag Type Name/Value 147 0x0000000000000001 (NEEDED) Shared library: [libc.so] 148 0x0000000000000001 (NEEDED) Shared library: [libm.so] 149 0x0000000000000001 (NEEDED) Shared library: [libdl.so] 150 0x0000000000000020 (PREINIT_ARRAY) 0x10d68 151 0x0000000000000021 (PREINIT_ARRAYSZ) 0x10 152 0x0000000000000019 (INIT_ARRAY) 0x10d78 153 0x000000000000001b (INIT_ARRAYSZ) 16 (bytes) 154 0x000000000000001a (FINI_ARRAY) 0x10d88 155 0x000000000000001c (FINI_ARRAYSZ) 16 (bytes) 156 0x0000000000000004 (HASH) 0x310 157 0x0000000000000005 (STRTAB) 0x490 158 0x0000000000000006 (SYMTAB) 0x358 159 0x000000000000000a (STRSZ) 151 (bytes) 160 0x000000000000000b (SYMENT) 24 (bytes) 161 0x0000000000000015 (DEBUG) 0x0 162 0x0000000000000003 (PLTGOT) 0x10fa8 163 0x0000000000000002 (PLTRELSZ) 72 (bytes) 164 0x0000000000000014 (PLTREL) RELA 165 0x0000000000000017 (JMPREL) 0x5c8 166 0x0000000000000007 (RELA) 0x568 167 0x0000000000000008 (RELASZ) 96 (bytes) 168 0x0000000000000009 (RELAENT) 24 (bytes) 169 0x000000000000001e (FLAGS) BIND_NOW 170 0x000000006ffffffb (FLAGS_1) Flags: NOW 171 0x000000006ffffffe (VERNEED) 0x548 172 0x000000006fffffff (VERNEEDNUM) 1 173 0x000000006ffffff0 (VERSYM) 0x528 174 0x000000006ffffff9 (RELACOUNT) 4 175 0x0000000000000000 (NULL) 0x0 176 0x0000000000000000 (NULL) 0x0 177 0x0000000000000000 (NULL) 0x0 178 0x0000000000000000 (NULL) 0x0 179 0x0000000000000000 (NULL) 0x0 180" "" "" 181 182# toybox does a better job of decoding Android's ELF notes than binutils. 183toyonly testing "-n" "readelf -nW $elf-short" " 184Displaying notes found in: .note.android.ident 185 Owner Data size Description 186 Android 0x00000004 NT_VERSION API level 28 187 188Displaying notes found in: .note.gnu.build-id 189 Owner Data size Description 190 GNU 0x00000010 NT_GNU_BUILD_ID da6a5f4ca8da163b9339326e626d8a3c 191" "" "" 192 193testing "-p" "readelf -p22 $elf-short" " 194String dump of section '.shstrtab': 195 [ 1] .preinit_array 196 [ 10] .init_array 197 [ 1c] .fini_array 198 [ 28] .ARM.exidx 199 [ 33] .text 200 [ 39] .got 201 [ 3e] .note.android.ident 202 [ 52] .got.plt 203 [ 5b] .rel.plt 204 [ 64] .ARM.attributes 205 [ 74] .dynstr 206 [ 7c] .gnu.version_r 207 [ 8b] .interp 208 [ 93] .relr.dyn 209 [ 9d] .rel.dyn 210 [ a6] .gnu.version 211 [ b3] .dynsym 212 [ bb] .gnu.hash 213 [ c5] .note.gnu.build-id 214 [ d8] .dynamic 215 [ e1] .shstrtab 216 [ eb] .gnu_debugdata 217 218" "" "" 219 220testing "-x" "readelf -x22 $elf-short" " 221Hex dump of section '.shstrtab': 222 0x00000000 002e7072 65696e69 745f6172 72617900 ..preinit_array. 223 0x00000010 2e696e69 745f6172 72617900 2e66696e .init_array..fin 224 0x00000020 695f6172 72617900 2e41524d 2e657869 i_array..ARM.exi 225 0x00000030 6478002e 74657874 002e676f 74002e6e dx..text..got..n 226 0x00000040 6f74652e 616e6472 6f69642e 6964656e ote.android.iden 227 0x00000050 74002e67 6f742e70 6c74002e 72656c2e t..got.plt..rel. 228 0x00000060 706c7400 2e41524d 2e617474 72696275 plt..ARM.attribu 229 0x00000070 74657300 2e64796e 73747200 2e676e75 tes..dynstr..gnu 230 0x00000080 2e766572 73696f6e 5f72002e 696e7465 .version_r..inte 231 0x00000090 7270002e 72656c72 2e64796e 002e7265 rp..relr.dyn..re 232 0x000000a0 6c2e6479 6e002e67 6e752e76 65727369 l.dyn..gnu.versi 233 0x000000b0 6f6e002e 64796e73 796d002e 676e752e on..dynsym..gnu. 234 0x000000c0 68617368 002e6e6f 74652e67 6e752e62 hash..note.gnu.b 235 0x000000d0 75696c64 2d696400 2e64796e 616d6963 uild-id..dynamic 236 0x000000e0 002e7368 73747274 6162002e 676e755f ..shstrtab..gnu_ 237 0x000000f0 64656275 67646174 61000000 000000 debugdata...... 238 239" "" "" 240 241# TODO: remove the sed when we handle symbol versions 242testing "-s" "readelf -s $elf-short | sed s/@.*//" " 243Symbol table '.dynsym' contains 11 entries: 244 Num: Value Size Type Bind Vis Ndx Name 245 0: 00000000 0 NOTYPE LOCAL DEFAULT UND 246 1: 00000000 0 FUNC GLOBAL DEFAULT UND __libc_init 247 2: 00000000 0 FUNC GLOBAL DEFAULT UND __stack_chk_fail 248 3: 00000000 0 OBJECT GLOBAL DEFAULT UND __stack_chk_guard 249 4: 00000000 0 FUNC GLOBAL DEFAULT UND memset 250 5: 000010d8 12 FUNC GLOBAL DEFAULT 13 __aeabi_memclr 251 6: 000010d8 12 FUNC GLOBAL DEFAULT 13 __aeabi_memclr4 252 7: 000010d8 12 FUNC GLOBAL DEFAULT 13 __aeabi_memclr8 253 8: 000010c8 16 FUNC GLOBAL DEFAULT 13 __aeabi_memset 254 9: 000010c8 16 FUNC GLOBAL DEFAULT 13 __aeabi_memset4 255 10: 000010c8 16 FUNC GLOBAL DEFAULT 13 __aeabi_memset8 256" "" "" 257