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- /* Native-dependent code for BSD Unix running on i386's, for GDB.
- Copyright 1988, 1989, 1991, 1992 Free Software Foundation, Inc.
-
- 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #include "defs.h"
- #include <machine/reg.h>
-
- /* this table must line up with REGISTER_NAMES in tm-i386.h */
- /* symbols like 'tEAX' come from <machine/reg.h> */
- static int tregmap[] =
- {
- tEAX, tECX, tEDX, tEBX,
- tESP, tEBP, tESI, tEDI,
- tEIP, tEFLAGS, tCS, tSS
- };
- static int sregmap[] =
- {
- sEAX, sECX, sEDX, sEBX,
- sESP, sEBP, sESI, sEDI,
- sEIP, sEFLAGS, sCS, sSS
- };
-
- /* blockend is the value of u.u_ar0, and points to the
- place where ES is stored. */
-
- int
- i386_register_u_addr (blockend, regnum)
- int blockend;
- int regnum;
- {
- /* The following condition is a kludge to get at the proper register map
- depending upon the state of pcb_flag.
- The proper condition would be
- if (u.u_pcb.pcb_flag & FM_TRAP)
- but that would require a ptrace call here and wouldn't work
- for corefiles. */
-
- if (blockend < 0x1fcc)
- return (blockend + 4 * tregmap[regnum]);
- else
- return (blockend + 4 * sregmap[regnum]);
- }
-