projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 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 | ||
| 1da177e4 | 12 | |
| 1da177e4 LT |
13 | /* 0 - 31 are integer registers, 32 - 63 are fp registers. */ |
| 14 | #define FPR_BASE 32 | |
| 15 | #define PC 64 | |
| 16 | #define CAUSE 65 | |
| 17 | #define BADVADDR 66 | |
| 18 | #define MMHI 67 | |
| 19 | #define MMLO 68 | |
| 20 | #define FPC_CSR 69 | |
| 21 | #define FPC_EIR 70 | |
| e50c0a8f RB |
22 | #define DSP_BASE 71 /* 3 more hi / lo register pairs */ |
| 23 | #define DSP_CONTROL 77 | |
| 9693a853 | 24 | #define ACX 78 |
| 1da177e4 LT |
25 | |
| 26 | /* | |
| 27 | * This struct defines the way the registers are stored on the stack during a | |
| 28 | * system call/exception. As usual the registers k0/k1 aren't being saved. | |
| 29 | */ | |
| 30 | struct pt_regs { | |
| 875d43e7 | 31 | #ifdef CONFIG_32BIT |
| 1da177e4 LT |
32 | /* Pad bytes for argument save space on the stack. */ |
| 33 | unsigned long pad0[6]; | |
| 34 | #endif | |
| 35 | ||
| 36 | /* Saved main processor registers. */ | |
| 37 | unsigned long regs[32]; | |
| 38 | ||
| 39 | /* Saved special registers. */ | |
| 40 | unsigned long cp0_status; | |
| 1da177e4 | 41 | unsigned long hi; |
| e50c0a8f | 42 | unsigned long lo; |
| 9693a853 FBH |
43 | #ifdef CONFIG_CPU_HAS_SMARTMIPS |
| 44 | unsigned long acx; | |
| 45 | #endif | |
| 1da177e4 LT |
46 | unsigned long cp0_badvaddr; |
| 47 | unsigned long cp0_cause; | |
| 48 | unsigned long cp0_epc; | |
| 41c594ab RB |
49 | #ifdef CONFIG_MIPS_MT_SMTC |
| 50 | unsigned long cp0_tcstatus; | |
| 41c594ab | 51 | #endif /* CONFIG_MIPS_MT_SMTC */ |
| 0e90f49b | 52 | } __attribute__ ((aligned (8))); |
| 1da177e4 LT |
53 | |
| 54 | /* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */ | |
| ea3d710f DJ |
55 | #define PTRACE_GETREGS 12 |
| 56 | #define PTRACE_SETREGS 13 | |
| 57 | #define PTRACE_GETFPREGS 14 | |
| 58 | #define PTRACE_SETFPREGS 15 | |
| 1da177e4 LT |
59 | /* #define PTRACE_GETFPXREGS 18 */ |
| 60 | /* #define PTRACE_SETFPXREGS 19 */ | |
| 61 | ||
| 62 | #define PTRACE_OLDSETOPTIONS 21 | |
| 63 | ||
| 64 | #define PTRACE_GET_THREAD_AREA 25 | |
| 65 | #define PTRACE_SET_THREAD_AREA 26 | |
| 66 | ||
| ea3d710f DJ |
67 | /* Calls to trace a 64bit program from a 32bit program. */ |
| 68 | #define PTRACE_PEEKTEXT_3264 0xc0 | |
| 69 | #define PTRACE_PEEKDATA_3264 0xc1 | |
| 70 | #define PTRACE_POKETEXT_3264 0xc2 | |
| 71 | #define PTRACE_POKEDATA_3264 0xc3 | |
| 72 | #define PTRACE_GET_THREAD_AREA_3264 0xc4 | |
| 73 | ||
| 1da177e4 LT |
74 | #ifdef __KERNEL__ |
| 75 | ||
| 76 | #include <linux/linkage.h> | |
| 8f9a2b32 | 77 | #include <asm/isadep.h> |
| 1da177e4 LT |
78 | |
| 79 | /* | |
| 80 | * Does the process account for user or for system time? | |
| 81 | */ | |
| 82 | #define user_mode(regs) (((regs)->cp0_status & KU_MASK) == KU_USER) | |
| 83 | ||
| 84 | #define instruction_pointer(regs) ((regs)->cp0_epc) | |
| 85 | #define profile_pc(regs) instruction_pointer(regs) | |
| 86 | ||
| 1da177e4 LT |
87 | extern asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit); |
| 88 | ||
| eae23f2c | 89 | extern NORET_TYPE void die(const char *, const struct pt_regs *) ATTRIB_NORET; |
| 2d911e9a | 90 | |
| eae23f2c | 91 | static inline void die_if_kernel(const char *str, const struct pt_regs *regs) |
| 2d911e9a RB |
92 | { |
| 93 | if (unlikely(!user_mode(regs))) | |
| 94 | die(str, regs); | |
| 95 | } | |
| 96 | ||
| 1da177e4 LT |
97 | #endif |
| 98 | ||
| 99 | #endif /* _ASM_PTRACE_H */ |