diff options
Diffstat (limited to 'kernel/arch/m32r/include/asm/ptrace.h')
| -rw-r--r-- | kernel/arch/m32r/include/asm/ptrace.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/kernel/arch/m32r/include/asm/ptrace.h b/kernel/arch/m32r/include/asm/ptrace.h new file mode 100644 index 000000000..fa58ccfff --- /dev/null +++ b/kernel/arch/m32r/include/asm/ptrace.h @@ -0,0 +1,44 @@ +/* + * 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 */ |