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[/] [or1k/] [trunk/] [insight/] [gdb/] [ultra3-xdep.c] - Blame information for rev 1765

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1 578 markom 
/* OBSOLETE /* Host-dependent code for GDB, for NYU Ultra3 running Sym1 OS. */
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/* OBSOLETE    Copyright 1988, 1989, 1991, 1992, 1993, 1995, 2000 */
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/* OBSOLETE    Free Software Foundation, Inc. */
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/* OBSOLETE    Contributed by David Wood (wood@nyu.edu) at New York University. */
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/* OBSOLETE  */
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/* OBSOLETE    This file is part of GDB. */
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/* OBSOLETE  */
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/* OBSOLETE    This program is free software; you can redistribute it and/or modify */
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/* OBSOLETE    it under the terms of the GNU General Public License as published by */
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/* OBSOLETE    the Free Software Foundation; either version 2 of the License, or */
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/* OBSOLETE    (at your option) any later version. */
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/* OBSOLETE  */
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/* OBSOLETE    This program is distributed in the hope that it will be useful, */
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/* OBSOLETE    but WITHOUT ANY WARRANTY; without even the implied warranty of */
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/* OBSOLETE    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the */
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/* OBSOLETE    GNU General Public License for more details. */
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/* OBSOLETE  */
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/* OBSOLETE    You should have received a copy of the GNU General Public License */
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/* OBSOLETE    along with this program; if not, write to the Free Software */
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/* OBSOLETE    Foundation, Inc., 59 Temple Place - Suite 330, */
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/* OBSOLETE    Boston, MA 02111-1307, USA.  */ */
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/* OBSOLETE  */
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/* OBSOLETE #define DEBUG */
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/* OBSOLETE #include "defs.h" */
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/* OBSOLETE #include "frame.h" */
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/* OBSOLETE #include "inferior.h" */
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/* OBSOLETE #include "symtab.h" */
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/* OBSOLETE #include "value.h" */
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/* OBSOLETE  */
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/* OBSOLETE #include <sys/types.h> */
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/* OBSOLETE #include <sys/param.h> */
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/* OBSOLETE #include <signal.h> */
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/* OBSOLETE #include <sys/ioctl.h> */
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/* OBSOLETE #include <fcntl.h> */
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/* OBSOLETE  */
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/* OBSOLETE #include "gdbcore.h" */
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/* OBSOLETE  */
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/* OBSOLETE #include <sys/file.h> */
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/* OBSOLETE #include "gdb_stat.h" */
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/* OBSOLETE  */
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/* OBSOLETE /* Assorted operating system circumventions */ */
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/* OBSOLETE  */
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/* OBSOLETE #ifdef SYM1 */
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/* OBSOLETE  */
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/* OBSOLETE /* FIXME: Kludge this for now. It really should be system call. */ */
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/* OBSOLETE int */
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/* OBSOLETE getpagesize (void) */
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/* OBSOLETE { */
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/* OBSOLETE   return (8192); */
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/* OBSOLETE } */
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/* OBSOLETE  */
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/* OBSOLETE /* FIXME: Fake out the fcntl() call, which we don't have.  */ */
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/* OBSOLETE fcntl (int fd, int cmd, int arg) */
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/* OBSOLETE { */
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/* OBSOLETE  */
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/* OBSOLETE   switch (cmd) */
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/* OBSOLETE     { */
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/* OBSOLETE     case F_GETFL: */
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/* OBSOLETE       return (O_RDONLY); */
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/* OBSOLETE       break; */
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/* OBSOLETE     default: */
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/* OBSOLETE       printf_unfiltered ("Ultra3's fcntl() failing, cmd = %d.\n", cmd); */
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/* OBSOLETE       return (-1); */
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/* OBSOLETE     } */
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/* OBSOLETE } */
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/* OBSOLETE  */
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/* OBSOLETE  */
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/* OBSOLETE /*  */
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/* OBSOLETE  * 4.2 Signal support, requires linking with libjobs. */
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/* OBSOLETE  */ */
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/* OBSOLETE static int _SigMask; */
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/* OBSOLETE #define sigbit(s)       (1L << ((s)-1)) */
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/* OBSOLETE  */
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/* OBSOLETE init_SigMask (void) */
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/* OBSOLETE { */
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/* OBSOLETE   /* Taken from the sym1 kernel in machdep.c:startup() */ */
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/* OBSOLETE   _SigMask = sigbit (SIGTSTP) | sigbit (SIGTTOU) | sigbit (SIGTTIN) | */
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/* OBSOLETE     sigbit (SIGCHLD) | sigbit (SIGTINT); */
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/* OBSOLETE } */
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/* OBSOLETE  */
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/* OBSOLETE sigmask (int signo) */
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/* OBSOLETE { */
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/* OBSOLETE   return (1 << (signo - 1)); */
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/* OBSOLETE } */
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/* OBSOLETE  */
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/* OBSOLETE sigsetmask (unsigned int sigmask) */
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/* OBSOLETE { */
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/* OBSOLETE   int i, mask = 1; */
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/* OBSOLETE   int lastmask = _SigMask; */
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/* OBSOLETE  */
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/* OBSOLETE   for (i = 0; i < NSIG; i++) */
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/* OBSOLETE     { */
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/* OBSOLETE       if (sigmask & mask) */
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/* OBSOLETE     { */
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/* OBSOLETE       if (!(_SigMask & mask)) */
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/* OBSOLETE         { */
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/* OBSOLETE           sighold (i + 1); */
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/* OBSOLETE           _SigMask |= mask; */
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/* OBSOLETE         } */
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/* OBSOLETE     } */
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/* OBSOLETE       else if (_SigMask & mask) */
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/* OBSOLETE     { */
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/* OBSOLETE       sigrelse (i + 1); */
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/* OBSOLETE       _SigMask &= ~mask; */
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/* OBSOLETE     } */
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/* OBSOLETE       mask <<= 1; */
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/* OBSOLETE     } */
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/* OBSOLETE   return (lastmask); */
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/* OBSOLETE } */
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/* OBSOLETE  */
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/* OBSOLETE sigblock (unsigned int sigmask) */
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/* OBSOLETE { */
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/* OBSOLETE   int i, mask = 1; */
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/* OBSOLETE   int lastmask = _SigMask; */
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/* OBSOLETE  */
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/* OBSOLETE   for (i = 0; i < NSIG; i++) */
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/* OBSOLETE     { */
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/* OBSOLETE       if ((sigmask & mask) && !(_SigMask & mask)) */
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/* OBSOLETE     { */
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/* OBSOLETE       sighold (i + 1); */
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/* OBSOLETE       _SigMask |= mask; */
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/* OBSOLETE     } */
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/* OBSOLETE       mask <<= 1; */
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/* OBSOLETE     } */
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/* OBSOLETE   return (lastmask); */
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/* OBSOLETE } */
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/* OBSOLETE #endif /* SYM1 */ */
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/* OBSOLETE  */
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/* OBSOLETE  */
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/* OBSOLETE /* Initialization code for this module.  */ */
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/* OBSOLETE  */
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/* OBSOLETE void */
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/* OBSOLETE _initialize_ultra3 (void) */
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/* OBSOLETE { */
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/* OBSOLETE #ifdef SYM1 */
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/* OBSOLETE   init_SigMask (); */
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/* OBSOLETE #endif */
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/* OBSOLETE } */

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