/* SPDX-License-Identifier: GPL-2.0-only */ /* * Save registers before calling assembly functions. This avoids * disturbance of register allocation in some inline assembly constructs. * Copyright 2001,2002 by Andi Kleen, SuSE Labs. */ #include #include "calling.h" #include #include /* rdi: arg1 ... normal C conventions. rax is saved/restored. */ .macro THUNK name, func SYM_FUNC_START_NOALIGN(\name) pushq %rbp movq %rsp, %rbp pushq %rdi pushq %rsi pushq %rdx pushq %rcx pushq %rax pushq %r8 pushq %r9 pushq %r10 pushq %r11 call \func jmp __thunk_restore SYM_FUNC_END(\name) _ASM_NOKPROBE(\name) .endm THUNK preempt_schedule_thunk, preempt_schedule THUNK preempt_schedule_notrace_thunk, preempt_schedule_notrace EXPORT_SYMBOL(preempt_schedule_thunk) EXPORT_SYMBOL(preempt_schedule_notrace_thunk) SYM_CODE_START_LOCAL_NOALIGN(__thunk_restore) popq %r11 popq %r10 popq %r9 popq %r8 popq %rax popq %rcx popq %rdx popq %rsi popq %rdi popq %rbp RET _ASM_NOKPROBE(__thunk_restore) SYM_CODE_END(__thunk_restore)