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[/] [or1k/] [tags/] [start/] [insight/] [gdb/] [ultra3-xdep.c] - Rev 1765
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/* OBSOLETE /* Host-dependent code for GDB, for NYU Ultra3 running Sym1 OS. */ /* OBSOLETE Copyright 1988, 1989, 1991, 1992, 1993, 1995, 2000 */ /* OBSOLETE Free Software Foundation, Inc. */ /* OBSOLETE Contributed by David Wood (wood@nyu.edu) at New York University. */ /* OBSOLETE */ /* OBSOLETE This file is part of GDB. */ /* OBSOLETE */ /* OBSOLETE This program is free software; you can redistribute it and/or modify */ /* OBSOLETE it under the terms of the GNU General Public License as published by */ /* OBSOLETE the Free Software Foundation; either version 2 of the License, or */ /* OBSOLETE (at your option) any later version. */ /* OBSOLETE */ /* OBSOLETE This program is distributed in the hope that it will be useful, */ /* OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of */ /* OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ /* OBSOLETE GNU General Public License for more details. */ /* OBSOLETE */ /* OBSOLETE You should have received a copy of the GNU General Public License */ /* OBSOLETE along with this program; if not, write to the Free Software */ /* OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, */ /* OBSOLETE Boston, MA 02111-1307, USA. */ */ /* OBSOLETE */ /* OBSOLETE #define DEBUG */ /* OBSOLETE #include "defs.h" */ /* OBSOLETE #include "frame.h" */ /* OBSOLETE #include "inferior.h" */ /* OBSOLETE #include "symtab.h" */ /* OBSOLETE #include "value.h" */ /* OBSOLETE */ /* OBSOLETE #include <sys/types.h> */ /* OBSOLETE #include <sys/param.h> */ /* OBSOLETE #include <signal.h> */ /* OBSOLETE #include <sys/ioctl.h> */ /* OBSOLETE #include <fcntl.h> */ /* OBSOLETE */ /* OBSOLETE #include "gdbcore.h" */ /* OBSOLETE */ /* OBSOLETE #include <sys/file.h> */ /* OBSOLETE #include "gdb_stat.h" */ /* OBSOLETE */ /* OBSOLETE /* Assorted operating system circumventions */ */ /* OBSOLETE */ /* OBSOLETE #ifdef SYM1 */ /* OBSOLETE */ /* OBSOLETE /* FIXME: Kludge this for now. It really should be system call. */ */ /* OBSOLETE int */ /* OBSOLETE getpagesize (void) */ /* OBSOLETE { */ /* OBSOLETE return (8192); */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE /* FIXME: Fake out the fcntl() call, which we don't have. */ */ /* OBSOLETE fcntl (int fd, int cmd, int arg) */ /* OBSOLETE { */ /* OBSOLETE */ /* OBSOLETE switch (cmd) */ /* OBSOLETE { */ /* OBSOLETE case F_GETFL: */ /* OBSOLETE return (O_RDONLY); */ /* OBSOLETE break; */ /* OBSOLETE default: */ /* OBSOLETE printf_unfiltered ("Ultra3's fcntl() failing, cmd = %d.\n", cmd); */ /* OBSOLETE return (-1); */ /* OBSOLETE } */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE */ /* OBSOLETE /* */ /* OBSOLETE * 4.2 Signal support, requires linking with libjobs. */ /* OBSOLETE */ */ /* OBSOLETE static int _SigMask; */ /* OBSOLETE #define sigbit(s) (1L << ((s)-1)) */ /* OBSOLETE */ /* OBSOLETE init_SigMask (void) */ /* OBSOLETE { */ /* OBSOLETE /* Taken from the sym1 kernel in machdep.c:startup() */ */ /* OBSOLETE _SigMask = sigbit (SIGTSTP) | sigbit (SIGTTOU) | sigbit (SIGTTIN) | */ /* OBSOLETE sigbit (SIGCHLD) | sigbit (SIGTINT); */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE sigmask (int signo) */ /* OBSOLETE { */ /* OBSOLETE return (1 << (signo - 1)); */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE sigsetmask (unsigned int sigmask) */ /* OBSOLETE { */ /* OBSOLETE int i, mask = 1; */ /* OBSOLETE int lastmask = _SigMask; */ /* OBSOLETE */ /* OBSOLETE for (i = 0; i < NSIG; i++) */ /* OBSOLETE { */ /* OBSOLETE if (sigmask & mask) */ /* OBSOLETE { */ /* OBSOLETE if (!(_SigMask & mask)) */ /* OBSOLETE { */ /* OBSOLETE sighold (i + 1); */ /* OBSOLETE _SigMask |= mask; */ /* OBSOLETE } */ /* OBSOLETE } */ /* OBSOLETE else if (_SigMask & mask) */ /* OBSOLETE { */ /* OBSOLETE sigrelse (i + 1); */ /* OBSOLETE _SigMask &= ~mask; */ /* OBSOLETE } */ /* OBSOLETE mask <<= 1; */ /* OBSOLETE } */ /* OBSOLETE return (lastmask); */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE sigblock (unsigned int sigmask) */ /* OBSOLETE { */ /* OBSOLETE int i, mask = 1; */ /* OBSOLETE int lastmask = _SigMask; */ /* OBSOLETE */ /* OBSOLETE for (i = 0; i < NSIG; i++) */ /* OBSOLETE { */ /* OBSOLETE if ((sigmask & mask) && !(_SigMask & mask)) */ /* OBSOLETE { */ /* OBSOLETE sighold (i + 1); */ /* OBSOLETE _SigMask |= mask; */ /* OBSOLETE } */ /* OBSOLETE mask <<= 1; */ /* OBSOLETE } */ /* OBSOLETE return (lastmask); */ /* OBSOLETE } */ /* OBSOLETE #endif /* SYM1 */ */ /* OBSOLETE */ /* OBSOLETE */ /* OBSOLETE /* Initialization code for this module. */ */ /* OBSOLETE */ /* OBSOLETE void */ /* OBSOLETE _initialize_ultra3 (void) */ /* OBSOLETE { */ /* OBSOLETE #ifdef SYM1 */ /* OBSOLETE init_SigMask (); */ /* OBSOLETE #endif */ /* OBSOLETE } */