-/* Host-dependent code for GDB, for NYU Ultra3 running Sym1 OS.
- Copyright (C) 1988, 1989, 1991, 1992 Free Software Foundation, Inc.
- Contributed by David Wood (wood@nyu.edu) at New York University.
-
-This file is part of GDB.
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-#define DEBUG
-#include "defs.h"
-#include "frame.h"
-#include "inferior.h"
-#include "symtab.h"
-#include "value.h"
-
-#include <sys/types.h>
-#include <sys/param.h>
-#include <signal.h>
-#include <sys/ioctl.h>
-#include <fcntl.h>
-
-#include "gdbcore.h"
-
-#include <sys/file.h>
-#include <sys/stat.h>
-
-/* Assumes support for AMD's Binary Compatibility Standard
- for ptrace(). If you define ULTRA3, the ultra3 extensions to
- ptrace() are used allowing the reading of more than one register
- at a time.
-
- This file assumes KERNEL_DEBUGGING is turned off. This means
- that if the user/gdb tries to read gr64-gr95 or any of the
- protected special registers we silently return -1 (see the
- CANNOT_STORE/FETCH_REGISTER macros). */
-#define ULTRA3
-
-#if !defined (offsetof)
-# define offsetof(TYPE, MEMBER) ((unsigned long) &((TYPE *)0)->MEMBER)
-#endif
-
-extern int errno;
-struct ptrace_user pt_struct;
-
-/*
- * Takes a register number as defined in tm.h via REGISTER_NAMES, and maps
- * it to an offset in a struct ptrace_user defined by AMD's BCS.
- * That is, it defines the mapping between gdb register numbers and items in
- * a struct ptrace_user.
- * A register protection scheme is set up here. If a register not
- * available to the user is specified in 'regno', then an address that
- * will cause ptrace() to fail is returned.
- */
-unsigned int
-register_addr (regno,blockend)
- unsigned int regno;
- char *blockend;
-{
- if ((regno >= LR0_REGNUM) && (regno < LR0_REGNUM + 128)) {
- return(offsetof(struct ptrace_user,pt_lr[regno-LR0_REGNUM]));
- } else if ((regno >= GR96_REGNUM) && (regno < GR96_REGNUM + 32)) {
- return(offsetof(struct ptrace_user,pt_gr[regno-GR96_REGNUM]));
- } else {
- switch (regno) {
- case GR1_REGNUM: return(offsetof(struct ptrace_user,pt_gr1));
- case CPS_REGNUM: return(offsetof(struct ptrace_user,pt_psr));
- case NPC_REGNUM: return(offsetof(struct ptrace_user,pt_pc0));
- case PC_REGNUM: return(offsetof(struct ptrace_user,pt_pc1));
- case PC2_REGNUM: return(offsetof(struct ptrace_user,pt_pc2));
- case IPC_REGNUM: return(offsetof(struct ptrace_user,pt_ipc));
- case IPA_REGNUM: return(offsetof(struct ptrace_user,pt_ipa));
- case IPB_REGNUM: return(offsetof(struct ptrace_user,pt_ipb));
- case Q_REGNUM: return(offsetof(struct ptrace_user,pt_q));
- case BP_REGNUM: return(offsetof(struct ptrace_user,pt_bp));
- case FC_REGNUM: return(offsetof(struct ptrace_user,pt_fc));
- default:
- fprintf_filtered(stderr,"register_addr():Bad register %s (%d)\n",
- reg_names[regno],regno);
- return(0xffffffff); /* Should make ptrace() fail */
- }
- }
-}
-
-
-/* Assorted operating system circumventions */
-
-#ifdef SYM1
-
-/* FIXME: Kludge this for now. It really should be system call. */
-int
-getpagesize()
-{ return(8192); }
-
-/* FIXME: Fake out the fcntl() call, which we don't have. */
-fcntl(fd, cmd, arg)
-int fd, cmd, arg;
-{
-
- switch (cmd) {
- case F_GETFL: return(O_RDONLY); break;
- default:
- printf("Ultra3's fcntl() failing, cmd = %d.\n",cmd);
- return(-1);
- }
-}
-
-
-/*
- * 4.2 Signal support, requires linking with libjobs.
- */
-static int _SigMask;
-#define sigbit(s) (1L << ((s)-1))
-
-init_SigMask()
-{
- /* Taken from the sym1 kernel in machdep.c:startup() */
- _SigMask = sigbit (SIGTSTP) | sigbit (SIGTTOU) | sigbit (SIGTTIN) |
- sigbit (SIGCHLD) | sigbit (SIGTINT);
-}
-
-sigmask(signo)
- int signo;
-{
- return (1 << (signo-1));
-}
-
-sigsetmask(sigmask)
-unsigned int sigmask;
-{
- int i, mask = 1;
- int lastmask = _SigMask;
-
- for (i=0 ; i<NSIG ; i++) {
- if (sigmask & mask) {
- if (!(_SigMask & mask)) {
- sighold(i+1);
- _SigMask |= mask;
- }
- } else if (_SigMask & mask) {
- sigrelse(i+1);
- _SigMask &= ~mask;
- }
- mask <<= 1;
- }
- return (lastmask);
-}
-
-sigblock(sigmask)
-unsigned int sigmask;
-{
- int i, mask = 1;
- int lastmask = _SigMask;
-
- for (i=0 ; i<NSIG ; i++) {
- if ((sigmask & mask) && !(_SigMask & mask)) {
- sighold(i+1);
- _SigMask |= mask;
- }
- mask <<= 1;
- }
- return (lastmask);
-}
-#endif /* SYM1 */
-
-
-/* Initialization code for this module. */
-
-_initialize_ultra3 ()
-{
-#ifdef SYM1
- init_SigMask();
-#endif
-}
+/* 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 } */
projects / deliverable / binutils-gdb.git / blobdiff