1 /* Functions specific to running gdb native on a Motorola Delta Series sysV68.
2 Copyright 1993, 1996, 1998, 2000 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,
19 Boston, MA 02111-1307, USA. */
22 #include <sys/signal.h> /* for MAXSIG in sys/user.h */
23 #include <sys/types.h> /* for ushort in sys/dir.h */
24 #include <sys/dir.h> /* for struct direct in sys/user.h */
29 #if !defined (offsetof)
30 #define offsetof(TYPE, MEMBER) ((unsigned long) &((TYPE *)0)->MEMBER)
33 /* Return the address in the core dump or inferior of register REGNO.
34 BLOCKEND is the address of the end of the user structure. */
37 register_addr (int regno
, CORE_ADDR blockend
)
39 static int sysv68reg
[] =
40 {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, -1, 15, 16};
42 if (regno
>= 0 && regno
< sizeof (sysv68reg
) / sizeof (sysv68reg
[0]))
43 return blockend
+ sysv68reg
[regno
] * 4;
44 else if (regno
< FPC_REGNUM
)
45 return offsetof (struct user
, u_fpu
.regs
.reg
[regno
- FP0_REGNUM
][0]);
46 else if (regno
== FPC_REGNUM
)
47 return offsetof (struct user
, u_fpu
.regs
.control
);
48 else if (regno
== FPS_REGNUM
)
49 return offsetof (struct user
, u_fpu
.regs
.status
);
50 else if (regno
== FPI_REGNUM
)
51 return offsetof (struct user
, u_fpu
.regs
.iaddr
);
54 fprintf_unfiltered (gdb_stderr
, "\
55 Internal error: invalid register number %d in REGISTER_U_ADDR\n",
61 CORE_ADDR kernel_u_addr
;
63 /* Read the value of the u area from the kernel. */
65 _initialize_delta68_nat (void)
71 if (nlist ("/sysV68", nl
) == 0 && nl
[0].n_scnum
!= 0)
72 kernel_u_addr
= nl
[0].n_value
;
75 perror ("Cannot get kernel u area address");
80 clear_insn_cache (void)
82 #ifdef MCT_TEXT /* in sys/signal.h on sysV68 R3V7.1 */
83 memctl (0, 4096, MCT_TEXT
);
89 return sizeof (struct user
);
This page took 0.030997 seconds and 4 git commands to generate.