##########################################################

##  ntapi: Native API core library                      ##

##  Copyright (C) 2013--2021  Z. Gilboa                 ##

##  Released under GPLv2 and GPLv3; see COPYING.NTAPI.  ##

##########################################################

.section .text

.global __tt_fork_v1

.global __tt_fork_child_entry_point

.global __tt_fork_child_entry_point_adj

__tt_fork_v1:

__tt_fork_save_regs:

	push	%rbp

	push	%rcx

	push	%rdx

	push	%rbx

	push	%rsi

	push	%rdi

	push	%r8

	push	%r9

	push	%r10

	push	%r11

	push	%r12

	push	%r13

	push	%r14

	push	%r15

	sub 0x40,%rsp

	mov	%rsp, %rdx

	and     $0xf, %rdx

	test	%rdx, %rdx

	jne	__tt_fork_impl_adj_call

__tt_fork_impl_call:

	mov	%rsp, %rcx

	call __tt_fork_impl_v1

	add 0x40,%rsp

	pop	%r15

	pop	%r14

	pop	%r13

	pop	%r12

	pop	%r11

	pop	%r10

	pop	%r9

	pop	%r8

	pop	%rdi

	pop	%rsi

	pop	%rbx

	pop	%rdx

	pop	%rcx

	pop	%rbp

	ret

__tt_fork_impl_adj_call:

	push %rdi

	mov	%rsp, %rcx

	call __tt_fork_impl_v1

	pop	%rdi

	add 0x40,%rsp

	pop	%r15

	pop	%r14

	pop	%r13

	pop	%r12

	pop	%r11

	pop	%r10

	pop	%r9

	pop	%r8

	pop	%rdi

	pop	%rsi

	pop	%rbx

	pop	%rdx

	pop	%rcx

	pop	%rbp

	ret

__tt_fork_child_entry_point:

	xor	%rax, %rax

	mov	%rcx, %rsp

	add 0x40,%rsp

	pop	%r15

	pop	%r14

	pop	%r13

	pop	%r12

	pop	%r11

	pop	%r10

	pop	%r9

	pop	%r8

	pop	%rdi

	pop	%rsi

	pop	%rbx

	pop	%rdx

	pop	%rcx

	pop	%rbp

	ret

__tt_fork_child_entry_point_adj:

	xor	%rax, %rax

	mov	%rcx, %rsp

	pop	%rdi

	add 0x40,%rsp

	pop	%r15

	pop	%r14

	pop	%r13

	pop	%r12

	pop	%r11

	pop	%r10

	pop	%r9

	pop	%r8

	pop	%rdi

	pop	%rsi

	pop	%rbx

	pop	%rdx

	pop	%rcx

	pop	%rbp

	ret