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- /*
- * 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 */
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