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4a1968f4 AC |
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 } */ |