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author | Stan Shebs <shebs@codesourcery.com> | 1999-04-16 01:35:26 +0000 |
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committer | Stan Shebs <shebs@codesourcery.com> | 1999-04-16 01:35:26 +0000 |
commit | c906108c21474dfb4ed285bcc0ac6fe02cd400cc (patch) | |
tree | a0015aa5cedc19ccbab307251353a41722a3ae13 /gdb/ultra3-xdep.c | |
parent | cd946cff9ede3f30935803403f06f6ed30cad136 (diff) | |
download | fsf-binutils-gdb-c906108c21474dfb4ed285bcc0ac6fe02cd400cc.zip fsf-binutils-gdb-c906108c21474dfb4ed285bcc0ac6fe02cd400cc.tar.gz fsf-binutils-gdb-c906108c21474dfb4ed285bcc0ac6fe02cd400cc.tar.bz2 |
Initial creation of sourceware repositorygdb-4_18-branchpoint
Diffstat (limited to 'gdb/ultra3-xdep.c')
-rw-r--r-- | gdb/ultra3-xdep.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/gdb/ultra3-xdep.c b/gdb/ultra3-xdep.c new file mode 100644 index 0000000..57bab86 --- /dev/null +++ b/gdb/ultra3-xdep.c @@ -0,0 +1,128 @@ +/* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 "gdb_stat.h" + +/* 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_unfiltered("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. */ + +void +_initialize_ultra3 () +{ +#ifdef SYM1 + init_SigMask(); +#endif +} |