/* * 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 <linux/linkage.h> #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) extern asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit); extern NORET_TYPE void die(const char *, struct pt_regs *) ATTRIB_NORET; static inline void die_if_kernel(const char *str, struct pt_regs *regs) { if (unlikely(!user_mode(regs))) die(str, regs); } #endif #endif /* _ASM_PTRACE_H */