1 /* Functions specific to running gdb native on a Motorola Delta Series sysV68.
2 Copyright (C) 1993, Free Software Foundation, Inc.
4 This file is part of GDB.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21 #include <sys/signal.h> /* for MAXSIG in sys/user.h */
22 #include <sys/types.h> /* for ushort in sys/dir.h */
23 #include <sys/dir.h> /* for struct direct in sys/user.h */
28 #if !defined (offsetof)
29 #define offsetof(TYPE, MEMBER) ((unsigned long) &((TYPE *)0)->MEMBER)
32 /* Return the address in the core dump or inferior of register REGNO.
33 BLOCKEND is the address of the end of the user structure. */
36 register_addr (regno
, blockend
)
40 static int sysv68reg
[] =
41 { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, -1, 15, 16 };
43 if (regno
>= 0 && regno
< sizeof(sysv68reg
) / sizeof(sysv68reg
[0]))
44 return blockend
+ sysv68reg
[regno
] * 4;
45 else if (regno
< FPC_REGNUM
)
46 return offsetof (struct user
, u_fpu
.regs
.reg
[regno
- FP0_REGNUM
][0]);
47 else if (regno
== FPC_REGNUM
)
48 return offsetof (struct user
, u_fpu
.regs
.control
);
49 else if (regno
== FPS_REGNUM
)
50 return offsetof (struct user
, u_fpu
.regs
.status
);
51 else if (regno
== FPI_REGNUM
)
52 return offsetof (struct user
, u_fpu
.regs
.iaddr
);
55 fprintf_unfiltered (gdb_stderr
, "\
56 Internal error: invalid register number %d in REGISTER_U_ADDR\n",
62 CORE_ADDR kernel_u_addr
;
64 /* Read the value of the u area from the kernel. */
66 _initialize_delta68_nat ()
72 if (nlist ("/sysV68", nl
) == 0 && nl
[0].n_scnum
!= 0)
73 kernel_u_addr
= nl
[0].n_value
;
76 perror ("Cannot get kernel u area address");
83 #ifdef MCT_TEXT /* in sys/signal.h on sysV68 R3V7.1 */
84 memctl(0, 4096, MCT_TEXT
);
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