/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8     -*-│
│vi: set et ft=asm ts=8 tw=8 fenc=utf-8                                     :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney                              │
│                                                                              │
│ Permission to use, copy, modify, and/or distribute this software for         │
│ any purpose with or without fee is hereby granted, provided that the         │
│ above copyright notice and this permission notice appear in all copies.      │
│                                                                              │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL                │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED                │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE             │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL         │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR        │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER               │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
│ PERFORMANCE OF THIS SOFTWARE.                                                │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/dce.h"
#include "libc/macros.h"
#include "libc/notice.inc"
#include "libc/sysv/consts/prot.h"
#include "libc/sysv/consts/map.h"
#include "libc/dce.h"
.text.startup
.source	__FILE__

/	Stack frame that owns process from spawn to exit.
/
/	@param	edi is argc
/	@param	rsi is argv
/	@param	rdx is environ
/	@param	rcx is auxv
/	@noreturn
_executive:
	push	%rbp
	mov	%rsp,%rbp
	ezlea	_base,bx
	mov	%edi,%r12d
	mov	%rsi,%r13
	mov	%rdx,%r14
	mov	%rcx,%r15
	call	_spawn
	mov	%r12d,%edi
	mov	%r13,%rsi
	mov	%r14,%rdx
	mov	%r15,%rcx
	.weak	main
	call	main
	xchg	%eax,%edi
	call	exit
	.endfn	_executive,weak,hidden
	ud2

#ifdef __PG__
	.init.start 800,_init_ftrace
	push	%rdi
	push	%rsi
	mov	%r12d,%edi
	mov	%r13,%rsi
	call	ftrace_init
	mov	%eax,%r12d
	pop	%rsi
	pop	%rdi
	.init.end 800,_init_ftrace
#endif