[mirror_ubuntu-focal-kernel.git] / arch / alpha / include / asm / ptrace.h

#ifndef _ASMAXP_PTRACE_H
#define _ASMAXP_PTRACE_H

#include <uapi/asm/ptrace.h>


#define arch_has_single_step()		(1)
#define user_mode(regs) (((regs)->ps & 8) != 0)
#define instruction_pointer(regs) ((regs)->pc)
#define profile_pc(regs) instruction_pointer(regs)
#define current_user_stack_pointer() rdusp()

#define task_pt_regs(task) \
  ((struct pt_regs *) (task_stack_page(task) + 2*PAGE_SIZE) - 1)

#define current_pt_regs() \
  ((struct pt_regs *) ((char *)current_thread_info() + 2*PAGE_SIZE) - 1)
#define signal_pt_regs current_pt_regs

#define force_successful_syscall_return() (current_pt_regs()->r0 = 0)

static inline unsigned long regs_return_value(struct pt_regs *regs)
{
	return regs->r0;
}

#endif
Commit	Line	Data
1da177e4 LT	1	#ifndef _ASMAXP_PTRACE_H
	2	#define _ASMAXP_PTRACE_H
	3
96433f6e	4	#include <uapi/asm/ptrace.h>
1da177e4	5
481bed45	6
fd341abb	7	#define arch_has_single_step() (1)
1da177e4 LT	8	#define user_mode(regs) (((regs)->ps & 8) != 0)
	9	#define instruction_pointer(regs) ((regs)->pc)
	10	#define profile_pc(regs) instruction_pointer(regs)
1ca97bb5	11	#define current_user_stack_pointer() rdusp()
1da177e4	12
e52f4ca2	13	#define task_pt_regs(task) \
27f45130	14	((struct pt_regs ) (task_stack_page(task) + 2PAGE_SIZE) - 1)
1da177e4	15
be53db6e AV	16	#define current_pt_regs() \
be53db6e AV	17	((struct pt_regs ) ((char )current_thread_info() + 2*PAGE_SIZE) - 1)
22062a96	18	#define signal_pt_regs current_pt_regs
be53db6e AV	19
be53db6e AV	20	#define force_successful_syscall_return() (current_pt_regs()->r0 = 0)
1da177e4	21
a9302e84	22	static inline unsigned long regs_return_value(struct pt_regs *regs)
	23	{
	24	return regs->r0;
	25	}
	26
1da177e4	27	#endif