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

/* SPDX-License-Identifier: GPL-2.0 */
#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
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
1da177e4 LT	2	#ifndef _ASMAXP_PTRACE_H
	3	#define _ASMAXP_PTRACE_H
	4
96433f6e	5	#include <uapi/asm/ptrace.h>
1da177e4	6
481bed45	7
fd341abb	8	#define arch_has_single_step() (1)
1da177e4 LT	9	#define user_mode(regs) (((regs)->ps & 8) != 0)
	10	#define instruction_pointer(regs) ((regs)->pc)
	11	#define profile_pc(regs) instruction_pointer(regs)
1ca97bb5	12	#define current_user_stack_pointer() rdusp()
1da177e4	13
e52f4ca2	14	#define task_pt_regs(task) \
27f45130	15	((struct pt_regs ) (task_stack_page(task) + 2PAGE_SIZE) - 1)
1da177e4	16
be53db6e AV	17	#define current_pt_regs() \
be53db6e AV	18	((struct pt_regs ) ((char )current_thread_info() + 2*PAGE_SIZE) - 1)
22062a96	19	#define signal_pt_regs current_pt_regs
be53db6e AV	20
be53db6e AV	21	#define force_successful_syscall_return() (current_pt_regs()->r0 = 0)
1da177e4	22
a9302e84	23	static inline unsigned long regs_return_value(struct pt_regs *regs)
	24	{
	25	return regs->r0;
	26	}
	27
1da177e4	28	#endif