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 73testing "-l" "readelf -lW $elf-short" " 74Elf file type is DYN (Shared object file) 75Entry point 0x1001 76There are 10 program headers, starting at offset 52 77 78Program Headers: 79 Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align 80 PHDR 0x000034 0x00000034 0x00000034 0x00140 0x00140 R 0x4 81 INTERP 0x000174 0x00000174 0x00000174 0x00013 0x00013 R 0x1 82 [Requesting program interpreter: /system/bin/linker] 83 LOAD 0x000000 0x00000000 0x00000000 0x00404 0x00404 R 0x1000 84 LOAD 0x001000 0x00001000 0x00001000 0x00140 0x00140 R E 0x1000 85 LOAD 0x002000 0x00002000 0x00002000 0x00144 0x00144 RW 0x1000 86 DYNAMIC 0x002018 0x00002018 0x00002018 0x00100 0x00100 RW 0x4 87 GNU_RELRO 0x002000 0x00002000 0x00002000 0x00144 0x01000 R 0x1 88 GNU_STACK 0x000000 0x00000000 0x00000000 0x00000 0x00000 RW 0 89 NOTE 0x000188 0x00000188 0x00000188 0x00038 0x00038 R 0x4 90 EXIDX 0x0001c0 0x000001c0 0x000001c0 0x00030 0x00030 R 0x4 91 92 Section to Segment mapping: 93 Segment Sections... 94 00 95 01 .interp 96 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 97 03 .text .plt 98 04 .preinit_array .init_array .fini_array .dynamic .got .got.plt 99 05 .dynamic 100 06 .preinit_array .init_array .fini_array .dynamic .got .got.plt 101 07 102 08 .note.android.ident .note.gnu.build-id 103 09 .ARM.exidx 104" "" "" 105 106# binutils doesn't line up the column headers for 64-bit ELF files. 107# TODO: binutils readelf lies about trailing NULL entires binutils ld produces 108NOSPACE=1 toyonly testing "-d" "readelf -dW $elf-full" " 109Dynamic section at offset 0xd98 contains 33 entries: 110 Tag Type Name/Value 111 0x0000000000000001 (NEEDED) Shared library: [libc.so] 112 0x0000000000000001 (NEEDED) Shared library: [libm.so] 113 0x0000000000000001 (NEEDED) Shared library: [libdl.so] 114 0x0000000000000020 (PREINIT_ARRAY) 0x10d68 115 0x0000000000000021 (PREINIT_ARRAYSZ) 0x10 116 0x0000000000000019 (INIT_ARRAY) 0x10d78 117 0x000000000000001b (INIT_ARRAYSZ) 16 (bytes) 118 0x000000000000001a (FINI_ARRAY) 0x10d88 119 0x000000000000001c (FINI_ARRAYSZ) 16 (bytes) 120 0x0000000000000004 (HASH) 0x310 121 0x0000000000000005 (STRTAB) 0x490 122 0x0000000000000006 (SYMTAB) 0x358 123 0x000000000000000a (STRSZ) 151 (bytes) 124 0x000000000000000b (SYMENT) 24 (bytes) 125 0x0000000000000015 (DEBUG) 0x0 126 0x0000000000000003 (PLTGOT) 0x10fa8 127 0x0000000000000002 (PLTRELSZ) 72 (bytes) 128 0x0000000000000014 (PLTREL) RELA 129 0x0000000000000017 (JMPREL) 0x5c8 130 0x0000000000000007 (RELA) 0x568 131 0x0000000000000008 (RELASZ) 96 (bytes) 132 0x0000000000000009 (RELAENT) 24 (bytes) 133 0x000000000000001e (FLAGS) BIND_NOW 134 0x000000006ffffffb (FLAGS_1) Flags: NOW 135 0x000000006ffffffe (VERNEED) 0x548 136 0x000000006fffffff (VERNEEDNUM) 1 137 0x000000006ffffff0 (VERSYM) 0x528 138 0x000000006ffffff9 (RELACOUNT) 4 139 0x0000000000000000 (NULL) 0x0 140 0x0000000000000000 (NULL) 0x0 141 0x0000000000000000 (NULL) 0x0 142 0x0000000000000000 (NULL) 0x0 143 0x0000000000000000 (NULL) 0x0 144" "" "" 145 146# toybox does a better job of decoding Android's ELF notes than binutils. 147toyonly testing "-n" "readelf -nW $elf-short" " 148Displaying notes found in: .note.android.ident 149 Owner Data size Description 150 Android 0x00000004 NT_VERSION API level 28 151 152Displaying notes found in: .note.gnu.build-id 153 Owner Data size Description 154 GNU 0x00000010 NT_GNU_BUILD_ID da6a5f4ca8da163b9339326e626d8a3c 155" "" "" 156 157testing "-p" "readelf -p22 $elf-short" " 158String dump of section '.shstrtab': 159 [ 1] .preinit_array 160 [ 10] .init_array 161 [ 1c] .fini_array 162 [ 28] .ARM.exidx 163 [ 33] .text 164 [ 39] .got 165 [ 3e] .note.android.ident 166 [ 52] .got.plt 167 [ 5b] .rel.plt 168 [ 64] .ARM.attributes 169 [ 74] .dynstr 170 [ 7c] .gnu.version_r 171 [ 8b] .interp 172 [ 93] .relr.dyn 173 [ 9d] .rel.dyn 174 [ a6] .gnu.version 175 [ b3] .dynsym 176 [ bb] .gnu.hash 177 [ c5] .note.gnu.build-id 178 [ d8] .dynamic 179 [ e1] .shstrtab 180 [ eb] .gnu_debugdata 181 182" "" "" 183 184testing "-x" "readelf -x22 $elf-short" " 185Hex dump of section '.shstrtab': 186 0x00000000 002e7072 65696e69 745f6172 72617900 ..preinit_array. 187 0x00000010 2e696e69 745f6172 72617900 2e66696e .init_array..fin 188 0x00000020 695f6172 72617900 2e41524d 2e657869 i_array..ARM.exi 189 0x00000030 6478002e 74657874 002e676f 74002e6e dx..text..got..n 190 0x00000040 6f74652e 616e6472 6f69642e 6964656e ote.android.iden 191 0x00000050 74002e67 6f742e70 6c74002e 72656c2e t..got.plt..rel. 192 0x00000060 706c7400 2e41524d 2e617474 72696275 plt..ARM.attribu 193 0x00000070 74657300 2e64796e 73747200 2e676e75 tes..dynstr..gnu 194 0x00000080 2e766572 73696f6e 5f72002e 696e7465 .version_r..inte 195 0x00000090 7270002e 72656c72 2e64796e 002e7265 rp..relr.dyn..re 196 0x000000a0 6c2e6479 6e002e67 6e752e76 65727369 l.dyn..gnu.versi 197 0x000000b0 6f6e002e 64796e73 796d002e 676e752e on..dynsym..gnu. 198 0x000000c0 68617368 002e6e6f 74652e67 6e752e62 hash..note.gnu.b 199 0x000000d0 75696c64 2d696400 2e64796e 616d6963 uild-id..dynamic 200 0x000000e0 002e7368 73747274 6162002e 676e755f ..shstrtab..gnu_ 201 0x000000f0 64656275 67646174 61000000 000000 debugdata...... 202 203" "" "" 204 205# TODO: remove the sed when we handle symbol versions 206testing "-s" "readelf -s $elf-short | sed s/@.*//" " 207Symbol table '.dynsym' contains 11 entries: 208 Num: Value Size Type Bind Vis Ndx Name 209 0: 00000000 0 NOTYPE LOCAL DEFAULT UND 210 1: 00000000 0 FUNC GLOBAL DEFAULT UND __libc_init 211 2: 00000000 0 FUNC GLOBAL DEFAULT UND __stack_chk_fail 212 3: 00000000 0 OBJECT GLOBAL DEFAULT UND __stack_chk_guard 213 4: 00000000 0 FUNC GLOBAL DEFAULT UND memset 214 5: 000010d8 12 FUNC GLOBAL DEFAULT 13 __aeabi_memclr 215 6: 000010d8 12 FUNC GLOBAL DEFAULT 13 __aeabi_memclr4 216 7: 000010d8 12 FUNC GLOBAL DEFAULT 13 __aeabi_memclr8 217 8: 000010c8 16 FUNC GLOBAL DEFAULT 13 __aeabi_memset 218 9: 000010c8 16 FUNC GLOBAL DEFAULT 13 __aeabi_memset4 219 10: 000010c8 16 FUNC GLOBAL DEFAULT 13 __aeabi_memset8 220" "" "" 221