mirror of https://gitee.com/openkylin/linux.git
45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
/*
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* linux/include/asm-m32r/ptrace.h
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* M32R version:
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* Copyright (C) 2001-2002, 2004 Hirokazu Takata <takata at linux-m32r.org>
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*/
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#ifndef _ASM_M32R_PTRACE_H
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#define _ASM_M32R_PTRACE_H
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#include <asm/m32r.h> /* M32R_PSW_BSM, M32R_PSW_BPM */
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#include <uapi/asm/ptrace.h>
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#define arch_has_single_step() (1)
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struct task_struct;
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extern void init_debug_traps(struct task_struct *);
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#define arch_ptrace_attach(child) \
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init_debug_traps(child)
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#if defined(CONFIG_ISA_M32R2) || defined(CONFIG_CHIP_VDEC2)
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#define user_mode(regs) ((M32R_PSW_BPM & (regs)->psw) != 0)
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#elif defined(CONFIG_ISA_M32R)
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#define user_mode(regs) ((M32R_PSW_BSM & (regs)->psw) != 0)
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#else
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#error unknown isa configuration
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#endif
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#define instruction_pointer(regs) ((regs)->bpc)
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#define profile_pc(regs) instruction_pointer(regs)
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#define user_stack_pointer(regs) ((regs)->spu)
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extern void withdraw_debug_trap(struct pt_regs *regs);
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#define task_pt_regs(task) \
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((struct pt_regs *)(task_stack_page(task) + THREAD_SIZE) - 1)
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#define current_pt_regs() ((struct pt_regs *) \
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((unsigned long)current_thread_info() + THREAD_SIZE) - 1)
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#endif /* _ASM_M32R_PTRACE_H */
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