2024-09-09 08:52:07 +00:00
|
|
|
/*
|
|
|
|
|
* Copyright 2004-2008 Analog Devices Inc.
|
|
|
|
|
*
|
|
|
|
|
* Licensed under the GPL-2 or later.
|
|
|
|
|
*/
|
|
|
|
|
#ifndef _BFIN_PTRACE_H
|
|
|
|
|
#define _BFIN_PTRACE_H
|
|
|
|
|
|
2024-09-09 08:57:42 +00:00
|
|
|
#include <uapi/asm/ptrace.h>
|
2024-09-09 08:52:07 +00:00
|
|
|
|
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
|
|
|
|
|
|
/* user_mode returns true if only one bit is set in IPEND, other than the
|
|
|
|
|
master interrupt enable. */
|
|
|
|
|
#define user_mode(regs) (!(((regs)->ipend & ~0x10) & (((regs)->ipend & ~0x10) - 1)))
|
|
|
|
|
|
|
|
|
|
#define arch_has_single_step() (1)
|
|
|
|
|
/* common code demands this function */
|
|
|
|
|
#define ptrace_disable(child) user_disable_single_step(child)
|
2024-09-09 08:57:42 +00:00
|
|
|
#define current_user_stack_pointer() rdusp()
|
2024-09-09 08:52:07 +00:00
|
|
|
|
|
|
|
|
extern int is_user_addr_valid(struct task_struct *child,
|
|
|
|
|
unsigned long start, unsigned long len);
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Get the address of the live pt_regs for the specified task.
|
|
|
|
|
* These are saved onto the top kernel stack when the process
|
|
|
|
|
* is not running.
|
|
|
|
|
*
|
|
|
|
|
* Note: if a user thread is execve'd from kernel space, the
|
|
|
|
|
* kernel stack will not be empty on entry to the kernel, so
|
|
|
|
|
* ptracing these tasks will fail.
|
|
|
|
|
*/
|
|
|
|
|
#define task_pt_regs(task) \
|
|
|
|
|
(struct pt_regs *) \
|
|
|
|
|
((unsigned long)task_stack_page(task) + \
|
|
|
|
|
(THREAD_SIZE - sizeof(struct pt_regs)))
|
|
|
|
|
|
|
|
|
|
#include <asm-generic/ptrace.h>
|
|
|
|
|
|
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
|
|
|
#endif /* _BFIN_PTRACE_H */
|
