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Diffstat (limited to 'include/asm-mips/ptrace.h')
| -rw-r--r-- | include/asm-mips/ptrace.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/include/asm-mips/ptrace.h b/include/asm-mips/ptrace.h new file mode 100644 index 000000000000..d3c46d633826 --- /dev/null +++ b/include/asm-mips/ptrace.h @@ -0,0 +1,79 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 1994, 95, 96, 97, 98, 99, 2000 by Ralf Baechle + * Copyright (C) 1999, 2000 Silicon Graphics, Inc. + */ +#ifndef _ASM_PTRACE_H +#define _ASM_PTRACE_H + +#include <linux/config.h> + +#include <asm/isadep.h> + +/* 0 - 31 are integer registers, 32 - 63 are fp registers. */ +#define FPR_BASE 32 +#define PC 64 +#define CAUSE 65 +#define BADVADDR 66 +#define MMHI 67 +#define MMLO 68 +#define FPC_CSR 69 +#define FPC_EIR 70 + +/* + * This struct defines the way the registers are stored on the stack during a + * system call/exception. As usual the registers k0/k1 aren't being saved. + */ +struct pt_regs { +#ifdef CONFIG_MIPS32 + /* Pad bytes for argument save space on the stack. */ + unsigned long pad0[6]; +#endif + + /* Saved main processor registers. */ + unsigned long regs[32]; + + /* Saved special registers. */ + unsigned long cp0_status; + unsigned long lo; + unsigned long hi; + unsigned long cp0_badvaddr; + unsigned long cp0_cause; + unsigned long cp0_epc; +}; + +/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */ +/* #define PTRACE_GETREGS 12 */ +/* #define PTRACE_SETREGS 13 */ +/* #define PTRACE_GETFPREGS 14 */ +/* #define PTRACE_SETFPREGS 15 */ +/* #define PTRACE_GETFPXREGS 18 */ +/* #define PTRACE_SETFPXREGS 19 */ + +#define PTRACE_OLDSETOPTIONS 21 + +#define PTRACE_GET_THREAD_AREA 25 +#define PTRACE_SET_THREAD_AREA 26 + +#ifdef __KERNEL__ + +#include <linux/linkage.h> + +/* + * Does the process account for user or for system time? + */ +#define user_mode(regs) (((regs)->cp0_status & KU_MASK) == KU_USER) + +#define instruction_pointer(regs) ((regs)->cp0_epc) +#define profile_pc(regs) instruction_pointer(regs) + +extern void show_regs(struct pt_regs *); + +extern asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit); + +#endif + +#endif /* _ASM_PTRACE_H */ |