1 /* Native-dependent code for BSD Unix running on i386's, for GDB.
2 Copyright 1988, 1989, 1991, 1992 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
21 #include <machine/reg.h>
23 /* this table must line up with REGISTER_NAMES in tm-i386.h */
24 /* symbols like 'tEAX' come from <machine/reg.h> */
25 static int tregmap
[] =
27 tEAX
, tECX
, tEDX
, tEBX
,
28 tESP
, tEBP
, tESI
, tEDI
,
29 tEIP
, tEFLAGS
, tCS
, tSS
33 static int sregmap
[] =
35 sEAX
, sECX
, sEDX
, sEBX
,
36 sESP
, sEBP
, sESI
, sEDI
,
37 sEIP
, sEFLAGS
, sCS
, sSS
41 /* NetBSD has decided to collapse the s* and t* symbols. So if the s*
42 ones aren't around, use the t* ones for sregmap too. */
44 static int sregmap
[] =
46 tEAX
, tECX
, tEDX
, tEBX
,
47 tESP
, tEBP
, tESI
, tEDI
,
48 tEIP
, tEFLAGS
, tCS
, tSS
52 /* blockend is the value of u.u_ar0, and points to the
53 place where ES is stored. */
56 i386_register_u_addr (blockend
, regnum
)
60 /* The following condition is a kludge to get at the proper register map
61 depending upon the state of pcb_flag.
62 The proper condition would be
63 if (u.u_pcb.pcb_flag & FM_TRAP)
64 but that would require a ptrace call here and wouldn't work
67 if (blockend
< 0x1fcc)
68 return (blockend
+ 4 * tregmap
[regnum
]);
70 return (blockend
+ 4 * sregmap
[regnum
]);
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