gdb/ultra3-xdep.c

   1 /* OBSOLETE /* Host-dependent code for GDB, for NYU Ultra3 running Sym1 OS. */
   2 /* OBSOLETE    Copyright 1988, 1989, 1991, 1992, 1993, 1995, 2000 */
   3 /* OBSOLETE    Free Software Foundation, Inc. */
   4 /* OBSOLETE    Contributed by David Wood (wood@nyu.edu) at New York University. */
   5 /* OBSOLETE  */
   6 /* OBSOLETE    This file is part of GDB. */
   7 /* OBSOLETE  */
   8 /* OBSOLETE    This program is free software; you can redistribute it and/or modify */
   9 /* OBSOLETE    it under the terms of the GNU General Public License as published by */
  10 /* OBSOLETE    the Free Software Foundation; either version 2 of the License, or */
  11 /* OBSOLETE    (at your option) any later version. */
  12 /* OBSOLETE  */
  13 /* OBSOLETE    This program is distributed in the hope that it will be useful, */
  14 /* OBSOLETE    but WITHOUT ANY WARRANTY; without even the implied warranty of */
  15 /* OBSOLETE    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the */
  16 /* OBSOLETE    GNU General Public License for more details. */
  17 /* OBSOLETE  */
  18 /* OBSOLETE    You should have received a copy of the GNU General Public License */
  19 /* OBSOLETE    along with this program; if not, write to the Free Software */
  20 /* OBSOLETE    Foundation, Inc., 59 Temple Place - Suite 330, */
  21 /* OBSOLETE    Boston, MA 02111-1307, USA.  */ */
  22 /* OBSOLETE  */
  23 /* OBSOLETE #define DEBUG */
  24 /* OBSOLETE #include "defs.h" */
  25 /* OBSOLETE #include "frame.h" */
  26 /* OBSOLETE #include "inferior.h" */
  27 /* OBSOLETE #include "symtab.h" */
  28 /* OBSOLETE #include "value.h" */
  29 /* OBSOLETE  */
  30 /* OBSOLETE #include <sys/types.h> */
  31 /* OBSOLETE #include <sys/param.h> */
  32 /* OBSOLETE #include <signal.h> */
  33 /* OBSOLETE #include <sys/ioctl.h> */
  34 /* OBSOLETE #include <fcntl.h> */
  35 /* OBSOLETE  */
  36 /* OBSOLETE #include "gdbcore.h" */
  37 /* OBSOLETE  */
  38 /* OBSOLETE #include <sys/file.h> */
  39 /* OBSOLETE #include "gdb_stat.h" */
  40 /* OBSOLETE  */
  41 /* OBSOLETE /* Assorted operating system circumventions */ */
  42 /* OBSOLETE  */
  43 /* OBSOLETE #ifdef SYM1 */
  44 /* OBSOLETE  */
  45 /* OBSOLETE /* FIXME: Kludge this for now. It really should be system call. */ */
  46 /* OBSOLETE int */
  47 /* OBSOLETE getpagesize (void) */
  48 /* OBSOLETE { */
  49 /* OBSOLETE   return (8192); */
  50 /* OBSOLETE } */
  51 /* OBSOLETE  */
  52 /* OBSOLETE /* FIXME: Fake out the fcntl() call, which we don't have.  */ */
  53 /* OBSOLETE fcntl (int fd, int cmd, int arg) */
  54 /* OBSOLETE { */
  55 /* OBSOLETE  */
  56 /* OBSOLETE   switch (cmd) */
  57 /* OBSOLETE     { */
  58 /* OBSOLETE     case F_GETFL: */
  59 /* OBSOLETE       return (O_RDONLY); */
  60 /* OBSOLETE       break; */
  61 /* OBSOLETE     default: */
  62 /* OBSOLETE       printf_unfiltered ("Ultra3's fcntl() failing, cmd = %d.\n", cmd); */
  63 /* OBSOLETE       return (-1); */
  64 /* OBSOLETE     } */
  65 /* OBSOLETE } */
  66 /* OBSOLETE  */
  67 /* OBSOLETE  */
  68 /* OBSOLETE /*  */
  69 /* OBSOLETE  * 4.2 Signal support, requires linking with libjobs. */
  70 /* OBSOLETE  */ */
  71 /* OBSOLETE static int _SigMask; */
  72 /* OBSOLETE #define sigbit(s)       (1L << ((s)-1)) */
  73 /* OBSOLETE  */
  74 /* OBSOLETE init_SigMask (void) */
  75 /* OBSOLETE { */
  76 /* OBSOLETE   /* Taken from the sym1 kernel in machdep.c:startup() */ */
  77 /* OBSOLETE   _SigMask = sigbit (SIGTSTP) | sigbit (SIGTTOU) | sigbit (SIGTTIN) | */
  78 /* OBSOLETE     sigbit (SIGCHLD) | sigbit (SIGTINT); */
  79 /* OBSOLETE } */
  80 /* OBSOLETE  */
  81 /* OBSOLETE sigmask (int signo) */
  82 /* OBSOLETE { */
  83 /* OBSOLETE   return (1 << (signo - 1)); */
  84 /* OBSOLETE } */
  85 /* OBSOLETE  */
  86 /* OBSOLETE sigsetmask (unsigned int sigmask) */
  87 /* OBSOLETE { */
  88 /* OBSOLETE   int i, mask = 1; */
  89 /* OBSOLETE   int lastmask = _SigMask; */
  90 /* OBSOLETE  */
  91 /* OBSOLETE   for (i = 0; i < NSIG; i++) */
  92 /* OBSOLETE     { */
  93 /* OBSOLETE       if (sigmask & mask) */
  94 /* OBSOLETE     { */
  95 /* OBSOLETE       if (!(_SigMask & mask)) */
  96 /* OBSOLETE         { */
  97 /* OBSOLETE           sighold (i + 1); */
  98 /* OBSOLETE           _SigMask |= mask; */
  99 /* OBSOLETE         } */
 100 /* OBSOLETE     } */
 101 /* OBSOLETE       else if (_SigMask & mask) */
 102 /* OBSOLETE     { */
 103 /* OBSOLETE       sigrelse (i + 1); */
 104 /* OBSOLETE       _SigMask &= ~mask; */
 105 /* OBSOLETE     } */
 106 /* OBSOLETE       mask <<= 1; */
 107 /* OBSOLETE     } */
 108 /* OBSOLETE   return (lastmask); */
 109 /* OBSOLETE } */
 110 /* OBSOLETE  */
 111 /* OBSOLETE sigblock (unsigned int sigmask) */
 112 /* OBSOLETE { */
 113 /* OBSOLETE   int i, mask = 1; */
 114 /* OBSOLETE   int lastmask = _SigMask; */
 115 /* OBSOLETE  */
 116 /* OBSOLETE   for (i = 0; i < NSIG; i++) */
 117 /* OBSOLETE     { */
 118 /* OBSOLETE       if ((sigmask & mask) && !(_SigMask & mask)) */
 119 /* OBSOLETE     { */
 120 /* OBSOLETE       sighold (i + 1); */
 121 /* OBSOLETE       _SigMask |= mask; */
 122 /* OBSOLETE     } */
 123 /* OBSOLETE       mask <<= 1; */
 124 /* OBSOLETE     } */
 125 /* OBSOLETE   return (lastmask); */
 126 /* OBSOLETE } */
 127 /* OBSOLETE #endif /* SYM1 */ */
 128 /* OBSOLETE  */
 129 /* OBSOLETE  */
 130 /* OBSOLETE /* Initialization code for this module.  */ */
 131 /* OBSOLETE  */
 132 /* OBSOLETE void */
 133 /* OBSOLETE _initialize_ultra3 (void) */
 134 /* OBSOLETE { */
 135 /* OBSOLETE #ifdef SYM1 */
 136 /* OBSOLETE   init_SigMask (); */
 137 /* OBSOLETE #endif */
 138 /* OBSOLETE } */