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- #!/bin/bash
- [ -f testing.sh ] && . testing.sh
- #testing "name" "command" "result" "infile" "stdin"
- elf=$FILES/elf/ndk-elf-note
- # toybox uses Linux kernel architecture names, so rewrite binutils with sed.
- NOSPACE=1 testing "-h" "readelf -hW $elf-full | sed s/AArch64/arm64/g" \
- "ELF Header:
- Magic: 7f 45 4c 46 02 01 01 00 00 00 00 00 00 00 00 00
- Class: ELF64
- Data: 2's complement, little endian
- Version: 1 (current)
- OS/ABI: UNIX - System V
- ABI Version: 0
- Type: DYN (Shared object file)
- Machine: arm64
- Version: 0x1
- Entry point address: 0x660
- Start of program headers: 64 (bytes into file)
- Start of section headers: 7776 (bytes into file)
- Flags: 0x0
- Size of this header: 64 (bytes)
- Size of program headers: 56 (bytes)
- Number of program headers: 9
- Size of section headers: 64 (bytes)
- Number of section headers: 32
- Section header string table index: 29
- " "" ""
- # We format the key to flags differently and don't include obsolete ones.
- NOSPACE=1 testing "-S" "readelf -SW $elf-full | head -36" \
- "There are 32 section headers, starting at offset 0x1e60:
- Section Headers:
- [Nr] Name Type Address Off Size ES Flg Lk Inf Al
- [ 0] NULL 0000000000000000 000000 000000 00 0 0 0
- [ 1] .interp PROGBITS 0000000000000238 000238 000015 00 A 0 0 1
- [ 2] .note.android.ident NOTE 0000000000000250 000250 000098 00 A 0 0 4
- [ 3] .note.gnu.build-id NOTE 00000000000002e8 0002e8 000024 00 A 0 0 4
- [ 4] .hash HASH 0000000000000310 000310 000048 04 A 5 0 8
- [ 5] .dynsym DYNSYM 0000000000000358 000358 000138 18 A 6 3 8
- [ 6] .dynstr STRTAB 0000000000000490 000490 000097 00 A 0 0 1
- [ 7] .gnu.version VERSYM 0000000000000528 000528 00001a 02 A 5 0 2
- [ 8] .gnu.version_r VERNEED 0000000000000548 000548 000020 00 A 6 1 8
- [ 9] .rela.dyn RELA 0000000000000568 000568 000060 18 A 5 0 8
- [10] .rela.plt RELA 00000000000005c8 0005c8 000048 18 AI 5 19 8
- [11] .plt PROGBITS 0000000000000610 000610 000050 10 AX 0 0 16
- [12] .text PROGBITS 0000000000000660 000660 00008c 00 AX 0 0 4
- [13] .eh_frame_hdr PROGBITS 00000000000006ec 0006ec 000014 00 A 0 0 4
- [14] .eh_frame PROGBITS 0000000000000700 000700 000030 00 A 0 0 8
- [15] .preinit_array PREINIT_ARRAY 0000000000010d68 000d68 000010 08 WA 0 0 8
- [16] .init_array INIT_ARRAY 0000000000010d78 000d78 000010 08 WA 0 0 8
- [17] .fini_array FINI_ARRAY 0000000000010d88 000d88 000010 08 WA 0 0 8
- [18] .dynamic DYNAMIC 0000000000010d98 000d98 000210 10 WA 6 0 8
- [19] .got PROGBITS 0000000000010fa8 000fa8 000058 08 WA 0 0 8
- [20] .bss NOBITS 0000000000011000 001000 000008 00 WA 0 0 8
- [21] .comment PROGBITS 0000000000000000 001000 000107 01 MS 0 0 1
- [22] .debug_pubnames PROGBITS 0000000000000000 001107 00001b 00 0 0 1
- [23] .debug_info PROGBITS 0000000000000000 001122 00004b 00 0 0 1
- [24] .debug_abbrev PROGBITS 0000000000000000 00116d 000037 00 0 0 1
- [25] .debug_line PROGBITS 0000000000000000 0011a4 00003f 00 0 0 1
- [26] .debug_str PROGBITS 0000000000000000 0011e3 000138 01 MS 0 0 1
- [27] .debug_macinfo PROGBITS 0000000000000000 00131b 000001 00 0 0 1
- [28] .debug_pubtypes PROGBITS 0000000000000000 00131c 00001a 00 0 0 1
- [29] .shstrtab STRTAB 0000000000000000 001d0c 000151 00 0 0 1
- [30] .symtab SYMTAB 0000000000000000 001338 0007e0 18 31 68 8
- [31] .strtab STRTAB 0000000000000000 001b18 0001f4 00 0 0 1
- " "" ""
- testing "-l" "readelf -lW $elf-short" "
- Elf file type is DYN (Shared object file)
- Entry point 0x1001
- There are 10 program headers, starting at offset 52
- Program Headers:
- Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align
- PHDR 0x000034 0x00000034 0x00000034 0x00140 0x00140 R 0x4
- INTERP 0x000174 0x00000174 0x00000174 0x00013 0x00013 R 0x1
- [Requesting program interpreter: /system/bin/linker]
- LOAD 0x000000 0x00000000 0x00000000 0x00404 0x00404 R 0x1000
- LOAD 0x001000 0x00001000 0x00001000 0x00140 0x00140 R E 0x1000
- LOAD 0x002000 0x00002000 0x00002000 0x00144 0x00144 RW 0x1000
- DYNAMIC 0x002018 0x00002018 0x00002018 0x00100 0x00100 RW 0x4
- GNU_RELRO 0x002000 0x00002000 0x00002000 0x00144 0x01000 R 0x1
- GNU_STACK 0x000000 0x00000000 0x00000000 0x00000 0x00000 RW 0
- NOTE 0x000188 0x00000188 0x00000188 0x00038 0x00038 R 0x4
- EXIDX 0x0001c0 0x000001c0 0x000001c0 0x00030 0x00030 R 0x4
- Section to Segment mapping:
- Segment Sections...
- 00
- 01 .interp
- 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
- 03 .text .plt
- 04 .preinit_array .init_array .fini_array .dynamic .got .got.plt
- 05 .dynamic
- 06 .preinit_array .init_array .fini_array .dynamic .got .got.plt
- 07
- 08 .note.android.ident .note.gnu.build-id
- 09 .ARM.exidx
- " "" ""
- # binutils doesn't line up the column headers for 64-bit ELF files.
- # TODO: binutils readelf lies about trailing NULL entires binutils ld produces
- NOSPACE=1 toyonly testing "-d" "readelf -dW $elf-full" "
- Dynamic section at offset 0xd98 contains 33 entries:
- Tag Type Name/Value
- 0x0000000000000001 (NEEDED) Shared library: [libc.so]
- 0x0000000000000001 (NEEDED) Shared library: [libm.so]
- 0x0000000000000001 (NEEDED) Shared library: [libdl.so]
- 0x0000000000000020 (PREINIT_ARRAY) 0x10d68
- 0x0000000000000021 (PREINIT_ARRAYSZ) 0x10
- 0x0000000000000019 (INIT_ARRAY) 0x10d78
- 0x000000000000001b (INIT_ARRAYSZ) 16 (bytes)
- 0x000000000000001a (FINI_ARRAY) 0x10d88
- 0x000000000000001c (FINI_ARRAYSZ) 16 (bytes)
- 0x0000000000000004 (HASH) 0x310
- 0x0000000000000005 (STRTAB) 0x490
- 0x0000000000000006 (SYMTAB) 0x358
- 0x000000000000000a (STRSZ) 151 (bytes)
- 0x000000000000000b (SYMENT) 24 (bytes)
- 0x0000000000000015 (DEBUG) 0x0
- 0x0000000000000003 (PLTGOT) 0x10fa8
- 0x0000000000000002 (PLTRELSZ) 72 (bytes)
- 0x0000000000000014 (PLTREL) RELA
- 0x0000000000000017 (JMPREL) 0x5c8
- 0x0000000000000007 (RELA) 0x568
- 0x0000000000000008 (RELASZ) 96 (bytes)
- 0x0000000000000009 (RELAENT) 24 (bytes)
- 0x000000000000001e (FLAGS) BIND_NOW
- 0x000000006ffffffb (FLAGS_1) Flags: NOW
- 0x000000006ffffffe (VERNEED) 0x548
- 0x000000006fffffff (VERNEEDNUM) 1
- 0x000000006ffffff0 (VERSYM) 0x528
- 0x000000006ffffff9 (RELACOUNT) 4
- 0x0000000000000000 (NULL) 0x0
- 0x0000000000000000 (NULL) 0x0
- 0x0000000000000000 (NULL) 0x0
- 0x0000000000000000 (NULL) 0x0
- 0x0000000000000000 (NULL) 0x0
- " "" ""
- # toybox does a better job of decoding Android's ELF notes than binutils.
- toyonly testing "-n" "readelf -nW $elf-short" "
- Displaying notes found in: .note.android.ident
- Owner Data size Description
- Android 0x00000004 NT_VERSION API level 28
- Displaying notes found in: .note.gnu.build-id
- Owner Data size Description
- GNU 0x00000010 NT_GNU_BUILD_ID da6a5f4ca8da163b9339326e626d8a3c
- " "" ""
- testing "-p" "readelf -p22 $elf-short" "
- String dump of section '.shstrtab':
- [ 1] .preinit_array
- [ 10] .init_array
- [ 1c] .fini_array
- [ 28] .ARM.exidx
- [ 33] .text
- [ 39] .got
- [ 3e] .note.android.ident
- [ 52] .got.plt
- [ 5b] .rel.plt
- [ 64] .ARM.attributes
- [ 74] .dynstr
- [ 7c] .gnu.version_r
- [ 8b] .interp
- [ 93] .relr.dyn
- [ 9d] .rel.dyn
- [ a6] .gnu.version
- [ b3] .dynsym
- [ bb] .gnu.hash
- [ c5] .note.gnu.build-id
- [ d8] .dynamic
- [ e1] .shstrtab
- [ eb] .gnu_debugdata
- " "" ""
- testing "-x" "readelf -x22 $elf-short" "
- Hex dump of section '.shstrtab':
- 0x00000000 002e7072 65696e69 745f6172 72617900 ..preinit_array.
- 0x00000010 2e696e69 745f6172 72617900 2e66696e .init_array..fin
- 0x00000020 695f6172 72617900 2e41524d 2e657869 i_array..ARM.exi
- 0x00000030 6478002e 74657874 002e676f 74002e6e dx..text..got..n
- 0x00000040 6f74652e 616e6472 6f69642e 6964656e ote.android.iden
- 0x00000050 74002e67 6f742e70 6c74002e 72656c2e t..got.plt..rel.
- 0x00000060 706c7400 2e41524d 2e617474 72696275 plt..ARM.attribu
- 0x00000070 74657300 2e64796e 73747200 2e676e75 tes..dynstr..gnu
- 0x00000080 2e766572 73696f6e 5f72002e 696e7465 .version_r..inte
- 0x00000090 7270002e 72656c72 2e64796e 002e7265 rp..relr.dyn..re
- 0x000000a0 6c2e6479 6e002e67 6e752e76 65727369 l.dyn..gnu.versi
- 0x000000b0 6f6e002e 64796e73 796d002e 676e752e on..dynsym..gnu.
- 0x000000c0 68617368 002e6e6f 74652e67 6e752e62 hash..note.gnu.b
- 0x000000d0 75696c64 2d696400 2e64796e 616d6963 uild-id..dynamic
- 0x000000e0 002e7368 73747274 6162002e 676e755f ..shstrtab..gnu_
- 0x000000f0 64656275 67646174 61000000 000000 debugdata......
- " "" ""
- # TODO: remove the sed when we handle symbol versions
- testing "-s" "readelf -s $elf-short | sed s/@.*//" "
- Symbol table '.dynsym' contains 11 entries:
- Num: Value Size Type Bind Vis Ndx Name
- 0: 00000000 0 NOTYPE LOCAL DEFAULT UND
- 1: 00000000 0 FUNC GLOBAL DEFAULT UND __libc_init
- 2: 00000000 0 FUNC GLOBAL DEFAULT UND __stack_chk_fail
- 3: 00000000 0 OBJECT GLOBAL DEFAULT UND __stack_chk_guard
- 4: 00000000 0 FUNC GLOBAL DEFAULT UND memset
- 5: 000010d8 12 FUNC GLOBAL DEFAULT 13 __aeabi_memclr
- 6: 000010d8 12 FUNC GLOBAL DEFAULT 13 __aeabi_memclr4
- 7: 000010d8 12 FUNC GLOBAL DEFAULT 13 __aeabi_memclr8
- 8: 000010c8 16 FUNC GLOBAL DEFAULT 13 __aeabi_memset
- 9: 000010c8 16 FUNC GLOBAL DEFAULT 13 __aeabi_memset4
- 10: 000010c8 16 FUNC GLOBAL DEFAULT 13 __aeabi_memset8
- " "" ""
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