| /* ptrace.h: ptrace() relevant definitions |
| * |
| * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. |
| * Written by David Howells (dhowells@redhat.com) |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version |
| * 2 of the License, or (at your option) any later version. |
| */ |
| #ifndef _ASM_PTRACE_H |
| #define _ASM_PTRACE_H |
| |
| #include <asm/irq_regs.h> |
| #include <uapi/asm/ptrace.h> |
| |
| #define in_syscall(regs) (((regs)->tbr & TBR_TT) == TBR_TT_TRAP0) |
| #ifndef __ASSEMBLY__ |
| |
| struct task_struct; |
| |
| /* |
| * we dedicate GR28 to keeping a pointer to the current exception frame |
| * - gr28 is destroyed on entry to the kernel from userspace |
| */ |
| register struct pt_regs *__frame asm("gr28"); |
| |
| #define user_mode(regs) (!((regs)->psr & PSR_S)) |
| #define instruction_pointer(regs) ((regs)->pc) |
| #define user_stack_pointer(regs) ((regs)->sp) |
| #define current_pt_regs() (__frame) |
| |
| extern unsigned long user_stack(const struct pt_regs *); |
| #define profile_pc(regs) ((regs)->pc) |
| |
| #define task_pt_regs(task) ((task)->thread.frame0) |
| |
| #define arch_has_single_step() (1) |
| |
| #endif /* !__ASSEMBLY__ */ |
| #endif /* _ASM_PTRACE_H */ |
