config/sol2/crtpg.c

    1.1  mrg /* Register profiling startup and cleanup with Solaris CRTs.
1.1.1.2  mrg    Copyright (C) 2015-2016 Free Software Foundation, Inc.
    1.1  mrg
    1.1  mrg This file is part of GCC.
    1.1  mrg
    1.1  mrg GCC is free software; you can redistribute it and/or modify it under
    1.1  mrg the terms of the GNU General Public License as published by the Free
    1.1  mrg Software Foundation; either version 3, or (at your option) any later
    1.1  mrg version.
    1.1  mrg
    1.1  mrg GCC is distributed in the hope that it will be useful, but WITHOUT ANY
    1.1  mrg WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.1  mrg FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.1  mrg for more details.
    1.1  mrg
    1.1  mrg Under Section 7 of GPL version 3, you are granted additional
    1.1  mrg permissions described in the GCC Runtime Library Exception, version
    1.1  mrg 3.1, as published by the Free Software Foundation.
    1.1  mrg
    1.1  mrg You should have received a copy of the GNU General Public License and
    1.1  mrg a copy of the GCC Runtime Library Exception along with this program;
    1.1  mrg see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
    1.1  mrg <http://www.gnu.org/licenses/>.  */
    1.1  mrg
    1.1  mrg #include <stdlib.h>
    1.1  mrg
    1.1  mrg extern void monstartup (char *, char *);
    1.1  mrg extern void _mcleanup (void);
    1.1  mrg
    1.1  mrg extern char _start[], _etext[];
    1.1  mrg
    1.1  mrg int __start_crt_compiler (int, char **);
    1.1  mrg
    1.1  mrg /* Since Solaris 11.x and Solaris 12, the system-provided CRTs provide a
    1.1  mrg    hook to invoke initialization code early during process startup.
    1.1  mrg    __start_crt_compiler is documented in crt1.o(5).  We use it to perform
    1.1  mrg    initialization for profiling as a substitute for the earlier separate
    1.1  mrg    gcrt1.o.  */
    1.1  mrg
    1.1  mrg int
    1.1  mrg __start_crt_compiler (int argc __attribute__ ((unused)),
    1.1  mrg 		      char **argv __attribute__ ((unused)))
    1.1  mrg {
    1.1  mrg   monstartup (_start, _etext);
    1.1  mrg   atexit (_mcleanup);
    1.1  mrg   return 0;
    1.1  mrg }