https://github.com/jasonyangshadow/elf_reader
elf header info reader
https://github.com/jasonyangshadow/elf_reader
Last synced: about 2 months ago
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elf header info reader
- Host: GitHub
- URL: https://github.com/jasonyangshadow/elf_reader
- Owner: JasonYangShadow
- License: gpl-3.0
- Created: 2020-02-08T07:29:37.000Z (over 5 years ago)
- Default Branch: master
- Last Pushed: 2020-02-11T11:15:11.000Z (over 5 years ago)
- Last Synced: 2025-02-01T12:28:36.383Z (4 months ago)
- Language: C
- Size: 19.5 KB
- Stars: 0
- Watchers: 2
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
## ELF header reader
read needed libraries and rpath info from elf header.
## Compile:
```
make
```
## Run:
```
./elf_reader shared_object/executables
```
## Example:
```
command:
readelf -d /bin/ls
output:
Dynamic section at offset 0x1fa38 contains 28 entries:
Tag Type Name/Value
0x0000000000000001 (NEEDED) Shared library: [libselinux.so.1]
0x0000000000000001 (NEEDED) Shared library: [libc.so.6]
0x000000000000000c (INIT) 0x3758
0x000000000000000d (FINI) 0x1636c
0x0000000000000019 (INIT_ARRAY) 0x21eff0
0x000000000000001b (INIT_ARRAYSZ) 8 (bytes)
0x000000000000001a (FINI_ARRAY) 0x21eff8
0x000000000000001c (FINI_ARRAYSZ) 8 (bytes)
0x000000006ffffef5 (GNU_HASH) 0x298
0x0000000000000005 (STRTAB) 0x1180
0x0000000000000006 (SYMTAB) 0x388
0x000000000000000a (STRSZ) 1666 (bytes)
0x000000000000000b (SYMENT) 24 (bytes)
0x0000000000000015 (DEBUG) 0x0
0x0000000000000003 (PLTGOT) 0x21fc38
0x0000000000000002 (PLTRELSZ) 2664 (bytes)
0x0000000000000014 (PLTREL) RELA
0x0000000000000017 (JMPREL) 0x2cf0
0x0000000000000007 (RELA) 0x19a0
0x0000000000000008 (RELASZ) 4944 (bytes)
0x0000000000000009 (RELAENT) 24 (bytes)
0x000000000000001e (FLAGS) BIND_NOW
0x000000006ffffffb (FLAGS_1) Flags: NOW PIE
0x000000006ffffffe (VERNEED) 0x1930
0x000000006fffffff (VERNEEDNUM) 1
0x000000006ffffff0 (VERSYM) 0x1802
0x000000006ffffff9 (RELACOUNT) 193
0x0000000000000000 (NULL) 0x0
command:
./elf_reader /bin/ls
output:
rpath:
libs needed: libselinux.so.1:libc.so.6
```