__libc_start_main 是什么

Name

__libc_start_main – initialization routine

Synopsis

int __libc_start_main(int (main) (int, char , char ), int argc, char * ubp_av, void (init) (void), void (*fini) (void), void (*rtld_fini) (void), void ( stack_end));

Description

The __libc_start_main() function shall initialize the process, call the main function with appropriate arguments, and handle the return from main().

__libc_start_main() is not in the source standard; it is only in the binary standard.

from:

http://refspecs.linuxbase.org/LSB_3.0.0/LSB-PDA/LSB-PDA/baselib—libc-start-main-.html