| /* |
| * linux/include/asm-m32r/ptrace.h |
| * |
| * 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. |
| * |
| * M32R version: |
| * Copyright (C) 2001-2002, 2004 Hirokazu Takata <takata at linux-m32r.org> |
| */ |
| #ifndef _ASM_M32R_PTRACE_H |
| #define _ASM_M32R_PTRACE_H |
| |
| |
| #include <asm/m32r.h> /* M32R_PSW_BSM, M32R_PSW_BPM */ |
| #include <uapi/asm/ptrace.h> |
| |
| #define arch_has_single_step() (1) |
| |
| struct task_struct; |
| extern void init_debug_traps(struct task_struct *); |
| #define arch_ptrace_attach(child) \ |
| init_debug_traps(child) |
| |
| #if defined(CONFIG_ISA_M32R2) || defined(CONFIG_CHIP_VDEC2) |
| #define user_mode(regs) ((M32R_PSW_BPM & (regs)->psw) != 0) |
| #elif defined(CONFIG_ISA_M32R) |
| #define user_mode(regs) ((M32R_PSW_BSM & (regs)->psw) != 0) |
| #else |
| #error unknown isa configuration |
| #endif |
| |
| #define instruction_pointer(regs) ((regs)->bpc) |
| #define profile_pc(regs) instruction_pointer(regs) |
| #define user_stack_pointer(regs) ((regs)->spu) |
| |
| extern void withdraw_debug_trap(struct pt_regs *regs); |
| |
| #define task_pt_regs(task) \ |
| ((struct pt_regs *)(task_stack_page(task) + THREAD_SIZE) - 1) |
| #define current_pt_regs() ((struct pt_regs *) \ |
| ((unsigned long)current_thread_info() + THREAD_SIZE) - 1) |
| |
| #endif /* _ASM_M32R_PTRACE_H */ |
