1 ELF32_CHECKSUM(3ELF) ELF Library Functions ELF32_CHECKSUM(3ELF) 2 3 4 5 NAME 6 elf32_checksum, elf64_checksum - return checksum of elf image 7 8 SYNOPSIS 9 cc [ flag ... ] file ... -lelf [ library ... ] 10 #include <libelf.h> 11 12 long elf32_checksum(Elf *elf); 13 14 15 long elf64_checksum(Elf *elf); 16 17 18 DESCRIPTION 19 The elf32_checksum() function returns a simple checksum of selected 20 sections of the image identified by elf. The value is typically used as 21 the .dynamic tag DT_CHECKSUM, recorded in dynamic executables and 22 shared objects. 23 24 25 Selected sections of the image are used to calculate the checksum in 26 order that its value is not affected by utilities such as strip(1). 27 28 29 For the 64-bit class, replace 32 with 64 as appropriate. 30 31 ATTRIBUTES 32 See attributes(5) for descriptions of the following attributes: 33 34 35 36 37 +--------------------+-----------------+ 38 | ATTRIBUTE TYPE | ATTRIBUTE VALUE | 39 +--------------------+-----------------+ 40 |Interface Stability | Stable | 41 +--------------------+-----------------+ 42 |MT-Level | MT-Safe | 43 +--------------------+-----------------+ 44 45 SEE ALSO 46 elf(3ELF), elf_version(3ELF), gelf(3ELF), libelf(3LIB), attributes(5) 47 48 49 50 July 11, 2001 ELF32_CHECKSUM(3ELF)