gdb/news-xdep.c

   1 /* Low level interface to ptrace, for GDB when running under Unix.
   2    Copyright (C) 1986, 1987, 1989 Free Software Foundation, Inc.
   3
   4    This file is part of GDB.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 59 Temple Place - Suite 330,
  19    Boston, MA 02111-1307, USA.  */
  20
  21 #ifdef __GNUC__
  22 /* Bad implement execle(3). It's depend for "/bin/cc".
  23
  24    main()
  25    {
  26    printf("execle:\n");
  27    execle(FILE, ARGS, envp);
  28    exit(1);
  29    }
  30
  31    GCC:
  32    link a6,#0
  33    pea LC5      ; call printf
  34    jbsr _printf
  35    ;            ; (not popd stack)
  36    pea _envp    ; call execle
  37    clrl sp@-
  38    pea LC4
  39    pea LC4
  40    pea LC4
  41    pea LC3
  42    pea LC6
  43    jbsr _execle
  44    addw #32,sp  ; delayed pop !!
  45
  46    /bin/cc:
  47    link.l       fp,#L23
  48    movem.l      #L24,(sp)
  49    pea  L26             ; call printf
  50    jbsr _printf
  51    addq.l       #4,sp   ; <--- popd stack !!
  52    pea  _envp           ; call execle
  53    clr.l        -(sp)
  54    pea  L32
  55
  56  */
  57
  58 execle (char *name, char *args)
  59 {
  60   register char **env = &args;
  61   while (*env++)
  62     ;
  63   execve (name, (char **) &args, (char **) *env);
  64 }
  65 #endif