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[deliverable/binutils-gdb.git] / gdb / ppc-linux-nat.c
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1/* PPC linux native support.
2 Copyright (C) 1988, 1989, 1991, 1992, 1994, 1996 Free Software Foundation, Inc.
3
4 This file is part of GDB.
5
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.
10
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.
15
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. */
19
20#include "defs.h"
21#include "frame.h"
22#include "inferior.h"
23#include "gdbcore.h"
24
25#include <sys/types.h>
26#include <sys/param.h>
27#include <signal.h>
28#include <sys/user.h>
29#include <sys/ioctl.h>
30#include <sys/wait.h>
31#include <fcntl.h>
32#include <sys/procfs.h>
33
34int
35kernel_u_size ()
36{
37 return (sizeof (struct user));
38}
39
40static int regmap[] =
41{PT_R0, PT_R1, PT_R2, PT_R3, PT_R4, PT_R5, PT_R6, PT_R7,
42 PT_R8, PT_R9, PT_R10, PT_R11, PT_R12, PT_R13, PT_R14, PT_R15,
43 PT_R16, PT_R17, PT_R18, PT_R19, PT_R20, PT_R21, PT_R22, PT_R23,
44 PT_R24, PT_R25, PT_R26, PT_R27, PT_R28, PT_R29, PT_R30, PT_R31,
45 PT_FPR0, PT_FPR0 + 2, PT_FPR0 + 4, PT_FPR0 + 6, PT_FPR0 + 8, PT_FPR0 + 10, PT_FPR0 + 12, PT_FPR0 + 14,
46 PT_FPR0 + 16, PT_FPR0 + 18, PT_FPR0 + 20, PT_FPR0 + 22, PT_FPR0 + 24, PT_FPR0 + 26, PT_FPR0 + 28, PT_FPR0 + 30,
47 PT_FPR0 + 32, PT_FPR0 + 34, PT_FPR0 + 36, PT_FPR0 + 38, PT_FPR0 + 40, PT_FPR0 + 42, PT_FPR0 + 44, PT_FPR0 + 46,
48 PT_FPR0 + 48, PT_FPR0 + 50, PT_FPR0 + 52, PT_FPR0 + 54, PT_FPR0 + 56, PT_FPR0 + 58, PT_FPR0 + 60, PT_FPR0 + 62,
49 PT_NIP, PT_MSR, PT_CCR, PT_LNK, PT_CTR, PT_XER, PT_MQ};
50
51int
52ppc_register_u_addr (int ustart, int regnum)
53{
54 return (ustart + 4 * regmap[regnum]);
55}
56
57supply_gregset (gregset_t * gregsetp)
58{
59 int regi;
60 register greg_t *regp = (greg_t *) gregsetp;
61
62 for (regi = 0; regi < 32; regi++)
63 supply_register (regi, (char *) (regp + regi));
64
65 for (regi = FIRST_UISA_SP_REGNUM; regi <= LAST_UISA_SP_REGNUM; regi++)
66 supply_register (regi, (char *) (regp + regmap[regi]));
67}
68
69supply_fpregset (fpregset_t * fpregsetp)
70{
71 int regi;
72 for (regi = 0; regi < 32; regi++)
73 {
74 supply_register (FP0_REGNUM + regi, (char *) (*fpregsetp + regi));
75 }
76}
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