blob: 95c5839ac4657dac29ebc30c03d05774ea677c8b [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 1994, 95, 96, 97, 98, 99, 2000 by Ralf Baechle
7 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
8 */
9#ifndef _ASM_PTRACE_H
10#define _ASM_PTRACE_H
11
12#include <linux/config.h>
13
14#include <asm/isadep.h>
15
16/* 0 - 31 are integer registers, 32 - 63 are fp registers. */
17#define FPR_BASE 32
18#define PC 64
19#define CAUSE 65
20#define BADVADDR 66
21#define MMHI 67
22#define MMLO 68
23#define FPC_CSR 69
24#define FPC_EIR 70
Ralf Baechlee50c0a82005-05-31 11:49:19 +000025#define DSP_BASE 71 /* 3 more hi / lo register pairs */
26#define DSP_CONTROL 77
Linus Torvalds1da177e2005-04-16 15:20:36 -070027
28/*
29 * This struct defines the way the registers are stored on the stack during a
30 * system call/exception. As usual the registers k0/k1 aren't being saved.
31 */
32struct pt_regs {
Ralf Baechle875d43e2005-09-03 15:56:16 -070033#ifdef CONFIG_32BIT
Linus Torvalds1da177e2005-04-16 15:20:36 -070034 /* Pad bytes for argument save space on the stack. */
35 unsigned long pad0[6];
36#endif
37
38 /* Saved main processor registers. */
39 unsigned long regs[32];
40
41 /* Saved special registers. */
42 unsigned long cp0_status;
Linus Torvalds1da177e2005-04-16 15:20:36 -070043 unsigned long hi;
Ralf Baechlee50c0a82005-05-31 11:49:19 +000044 unsigned long lo;
Linus Torvalds1da177e2005-04-16 15:20:36 -070045 unsigned long cp0_badvaddr;
46 unsigned long cp0_cause;
47 unsigned long cp0_epc;
48};
49
50/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
Daniel Jacobowitzea3d7102005-09-28 18:11:15 -040051#define PTRACE_GETREGS 12
52#define PTRACE_SETREGS 13
53#define PTRACE_GETFPREGS 14
54#define PTRACE_SETFPREGS 15
Linus Torvalds1da177e2005-04-16 15:20:36 -070055/* #define PTRACE_GETFPXREGS 18 */
56/* #define PTRACE_SETFPXREGS 19 */
57
58#define PTRACE_OLDSETOPTIONS 21
59
60#define PTRACE_GET_THREAD_AREA 25
61#define PTRACE_SET_THREAD_AREA 26
62
Daniel Jacobowitzea3d7102005-09-28 18:11:15 -040063/* Calls to trace a 64bit program from a 32bit program. */
64#define PTRACE_PEEKTEXT_3264 0xc0
65#define PTRACE_PEEKDATA_3264 0xc1
66#define PTRACE_POKETEXT_3264 0xc2
67#define PTRACE_POKEDATA_3264 0xc3
68#define PTRACE_GET_THREAD_AREA_3264 0xc4
69
Linus Torvalds1da177e2005-04-16 15:20:36 -070070#ifdef __KERNEL__
71
72#include <linux/linkage.h>
73
74/*
75 * Does the process account for user or for system time?
76 */
77#define user_mode(regs) (((regs)->cp0_status & KU_MASK) == KU_USER)
78
79#define instruction_pointer(regs) ((regs)->cp0_epc)
80#define profile_pc(regs) instruction_pointer(regs)
81
82extern void show_regs(struct pt_regs *);
83
84extern asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit);
85
86#endif
87
88#endif /* _ASM_PTRACE_H */