1 /* Parameters for hosting on an RS6000, for GDB, the GNU debugger. 2 Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 3 2000, 2001 Free Software Foundation, Inc. 4 Contributed by IBM Corporation. 5 6 This file is part of GDB. 7 8 This program is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 2 of the License, or 11 (at your option) any later version. 12 13 This program is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with this program; if not, write to the Free Software 20 Foundation, Inc., 59 Temple Place - Suite 330, 21 Boston, MA 02111-1307, USA. */ 22 23 /* The following text is taken from config/rs6000.mh: 24 * # The IBM version of /usr/include/rpc/rpc.h has a bug -- it says 25 * # `extern fd_set svc_fdset;' without ever defining the type fd_set. 26 * # Unfortunately this occurs in the vx-share code, which is not configured 27 * # like the rest of GDB (e.g. it doesn't include "defs.h"). 28 * # We circumvent this bug by #define-ing fd_set here, but undefining it in 29 * # the xm-rs6000.h file before ordinary modules try to use it. FIXME, IBM! 30 * MH_CFLAGS='-Dfd_set=int' 31 * So, here we do the undefine...which has to occur before we include 32 * <sys/select.h> below. 33 */ 34 #undef fd_set 35 36 #include <sys/select.h> 37 38 /* Big end is at the low address */ 39 40 /* At least as of AIX 3.2, we have termios. */ 41 #define HAVE_TERMIOS 1 42 /* #define HAVE_TERMIO 1 */ 43 44 #define USG 1 45 46 #define FIVE_ARG_PTRACE 47 48 /* This system requires that we open a terminal with O_NOCTTY for it to 49 not become our controlling terminal. */ 50 51 #define USE_O_NOCTTY 52 53 /* Brain death inherited from PC's pervades. */ 54 #undef NULL 55 #define NULL 0 56 57 /* The IBM compiler requires this in order to properly compile alloca(). */ 58 #pragma alloca 59 60 /* There is no vfork. */ 61 62 #define vfork fork 63 64 /* Signal handler for SIGWINCH `window size changed'. */ 65 66 #define SIGWINCH_HANDLER aix_resizewindow 67 extern void aix_resizewindow (int); 68 69 /* This doesn't seem to be declared in any header file I can find. */ 70 char *termdef (int, int); 71 72 /* `lines_per_page' and `chars_per_line' are local to utils.c. Rectify this. */ 73 74 #define SIGWINCH_HANDLER_BODY \ 75 \ 76 /* Respond to SIGWINCH `window size changed' signal, and reset GDB's \ 77 window settings appropriately. */ \ 78 \ 79 void \ 80 aix_resizewindow (signo) \ 81 int signo; \ 82 { \ 83 int fd = fileno (stdout); \ 84 if (isatty (fd)) { \ 85 int val; \ 86 \ 87 val = atoi (termdef (fd, 'l')); \ 88 if (val > 0) \ 89 lines_per_page = val; \ 90 val = atoi (termdef (fd, 'c')); \ 91 if (val > 0) \ 92 chars_per_line = val; \ 93 } \ 94 } 95