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Diffstat (limited to 'arch/mips/include/asm/ptrace.h')
| -rw-r--r-- | arch/mips/include/asm/ptrace.h | 87 | 
1 files changed, 87 insertions, 0 deletions
| diff --git a/arch/mips/include/asm/ptrace.h b/arch/mips/include/asm/ptrace.h new file mode 100644 index 000000000..5659c0c87 --- /dev/null +++ b/arch/mips/include/asm/ptrace.h @@ -0,0 +1,87 @@ +/* + * 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 + +/* 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 +#define DSP_BASE	71		/* 3 more hi / lo register pairs */ +#define DSP_CONTROL	77 +#define ACX		78 + +/* + * 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_32BIT +	/* 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 hi; +	unsigned long lo; +#ifdef CONFIG_CPU_HAS_SMARTMIPS +	unsigned long acx; +#endif +	unsigned long cp0_badvaddr; +	unsigned long cp0_cause; +	unsigned long cp0_epc; +#ifdef CONFIG_MIPS_MT_SMTC +	unsigned long cp0_tcstatus; +#endif /* CONFIG_MIPS_MT_SMTC */ +} __attribute__ ((aligned (8))); + +/* 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 + +/* Calls to trace a 64bit program from a 32bit program.  */ +#define PTRACE_PEEKTEXT_3264	0xc0 +#define PTRACE_PEEKDATA_3264	0xc1 +#define PTRACE_POKETEXT_3264	0xc2 +#define PTRACE_POKEDATA_3264	0xc3 +#define PTRACE_GET_THREAD_AREA_3264	0xc4 + +#ifdef __KERNEL__ + +#include <asm/isadep.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) + +#endif + +#endif /* _ASM_PTRACE_H */ |