| 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 |