binutils-gdb/gdb/news-xdep.c

/* Low level interface to ptrace, for GDB when running under Unix.
   Copyright 1986, 1987, 1989, 2000 Free Software Foundation, Inc.

   This file is part of GDB.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#ifdef __GNUC__
/* Bad implement execle(3). It's depend for "/bin/cc".

   main()
   {
   printf("execle:\n");
   execle(FILE, ARGS, envp);
   exit(1);
   }

   GCC:
   link a6,#0
   pea LC5      ; call printf
   jbsr _printf
   ;            ; (not popd stack)
   pea _envp    ; call execle
   clrl sp@-
   pea LC4
   pea LC4
   pea LC4
   pea LC3
   pea LC6
   jbsr _execle
   addw #32,sp  ; delayed pop !!

   /bin/cc:
   link.l       fp,#L23
   movem.l      #L24,(sp)
   pea  L26             ; call printf
   jbsr _printf
   addq.l       #4,sp   ; <--- popd stack !!
   pea  _envp           ; call execle
   clr.l        -(sp)
   pea  L32

 */

execle (char *name, char *args)
{
  register char **env = &args;
  while (*env++)
    ;
  execve (name, (char **) &args, (char **) *env);
}
#endif