67 lines
2.6 KiB
ArmAsm
67 lines
2.6 KiB
ArmAsm
/*-*- 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
|