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, Boston, MA 02111-1307, USA.  */
  19
  20 #ifdef __GNUC__
  21 /* Bad implement execle(3). It's depend for "/bin/cc".
  22
  23    main()
  24    {
  25      printf("execle:\n");
  26      execle(FILE, ARGS, envp);
  27      exit(1);
  28    }
  29
  30    GCC:
  31    link a6,#0
  32    pea LC5      ; call printf
  33    jbsr _printf
  34    ;            ; (not popd stack)
  35    pea _envp    ; call execle
  36    clrl sp@-
  37    pea LC4
  38    pea LC4
  39    pea LC4
  40    pea LC3
  41    pea LC6
  42    jbsr _execle
  43    addw #32,sp  ; delayed pop !!
  44
  45    /bin/cc:
  46    link.l       fp,#L23
  47    movem.l      #L24,(sp)
  48    pea  L26             ; call printf
  49    jbsr _printf
  50    addq.l       #4,sp   ; <--- popd stack !!
  51    pea  _envp           ; call execle
  52    clr.l        -(sp)
  53    pea  L32
  54
  55    */
  56
  57 execle(name, args)
  58      char *name, *args;
  59 {
  60   register char **env = &args;
  61   while (*env++)
  62     ;
  63   execve(name, (char **)&args, (char **)*env);
  64 }
  65 #endif