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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASMAXP_PTRACE_H
#define _ASMAXP_PTRACE_H
#include <uapi/asm/ptrace.h>
#include <asm/irqflags.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 force_successful_syscall_return() \
(current_thread_info()->syscall_meta \
|= ALPHA_SYSCALL_META_FORCE_SUCCESS)
static inline unsigned long regs_return_value(struct pt_regs *regs)
{
return regs->r0;
}
unsigned long user_stack_pointer(struct pt_regs *regs);
static __always_inline bool regs_irqs_disabled(struct pt_regs *regs)
{
return arch_irqs_disabled_flags(regs->ps);
}
/* Syscall emulation defines */
#define PTRACE_SYSEMU 0x1d
#define PTRACE_SYSEMU_SINGLESTEP 0x1e
#endif
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