| 1 | /* Definitions for running gdb on a host machine running any flavor of SVR4. |
| 2 | Copyright 1991, 1992 Free Software Foundation, Inc. |
| 3 | Written by Fred Fish at Cygnus Support (fnf@cygnus.com). |
| 4 | |
| 5 | This file is part of GDB. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 2 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ |
| 20 | |
| 21 | /* Use SVR4 style shared library support */ |
| 22 | |
| 23 | #define SVR4_SHARED_LIBS |
| 24 | |
| 25 | /* SVR4 has /proc support, so use it instead of ptrace. */ |
| 26 | |
| 27 | #define USE_PROC_FS |
| 28 | |
| 29 | /* SVR4 has termio facilities. */ |
| 30 | |
| 31 | #define HAVE_TERMIO |
| 32 | |
| 33 | /* SVR4 has mmap facilities */ |
| 34 | |
| 35 | #define HAVE_MMAP |
| 36 | |
| 37 | /* TIOCGETC and TIOCGLTC are picked up somewhere, but struct tchars |
| 38 | and struct ltchars are not. This makes problems for inflow.c. |
| 39 | It is unknown at this time if this is a generic SVR4 problem or |
| 40 | one just limited to the initial SVR4 port host machine. */ |
| 41 | |
| 42 | #define TIOCGETC_BROKEN |
| 43 | #define TIOCGLTC_BROKEN |
| 44 | |
| 45 | /* SVR4 is a derivative of System V Release 3 (USG) */ |
| 46 | |
| 47 | #define USG |
| 48 | |
| 49 | /* Get rid of any system-imposed stack limit if possible. */ |
| 50 | |
| 51 | /* #define SET_STACK_LIMIT_HUGE */ |
| 52 | |
| 53 | /* SVR4 machines can easily do attach and detach via /proc (procfs.c) |
| 54 | support */ |
| 55 | |
| 56 | #define ATTACH_DETACH |
| 57 | |
| 58 | /* If we are using SVR4 /proc instead of ptrace, use CREATE_INFERIOR_HOOK |
| 59 | to do internal /proc initialization. */ |
| 60 | |
| 61 | #ifdef USE_PROC_FS |
| 62 | #define CREATE_INFERIOR_HOOK(pid) inferior_proc_init(pid) |
| 63 | #endif |
| 64 | |
| 65 | /* Use setpgid(0,0) to run inferior in a separate process group */ |
| 66 | |
| 67 | #define NEED_POSIX_SETPGID |
| 68 | |
| 69 | /* If gdb's signal handling changes (due to a "handle" command), then |
| 70 | this macro expands to an action to perform to notify other parts of |
| 71 | gdb that might care, that signal handling has changed. For hosts using |
| 72 | the /proc interface, gdb has more control over which signals cause the |
| 73 | inferior to stop and which do not. In some cases, it is desirable to |
| 74 | have signals delivered directly to the inferior without involving the |
| 75 | debugger at all. */ |
| 76 | |
| 77 | #ifdef USE_PROC_FS |
| 78 | #define NOTICE_SIGNAL_HANDLING_CHANGE proc_signal_handling_change() |
| 79 | #endif |
| 80 | |
| 81 | /* We have to include these files now, so that GDB will not make |
| 82 | competing definitions in defs.h. */ |
| 83 | #include <limits.h> |