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Justine Tunney 2020-06-15 07:18:57 -07:00
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libc/stdio/g_stderr_init.S Normal file
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/*-*- mode:asm; 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 │
│ │
│ This program is free software; you can redistribute it and/or modify │
│ it under the terms of the GNU General Public License as published by │
│ the Free Software Foundation; version 2 of the License. │
│ │
│ This program is distributed in the hope that it will be useful, but │
│ WITHOUT ANY WARRANTY; without even the implied warranty of │
│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
│ General Public License for more details. │
│ │
│ You should have received a copy of the GNU General Public License │
│ along with this program; if not, write to the Free Software │
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/sysv/consts/o.h"
#include "libc/dce.h"
#include "libc/calls/calls.h"
#include "libc/sysv/consts/fileno.h"
#include "libc/macros.h"
.yoink __FILE__
.init.start 400,_init_g_stderr
lea g_stderr(%rip),%rax
push $_IOLBF
pop (%rax) #→ f.fd
push STDERR_FILENO
pop 12(%rax)
mov O_WRONLY,%edx
mov %edx,4(%rax) #→ f.iomode
lea g_stderr_buf(%rip),%rcx
mov %rcx,24(%rax) #→ f.buf
movl $BUFSIZ,32(%rax) #→ f.size
lea fwritebuf(%rip),%rcx
lea fswritebuf(%rip),%rdx
testb IsMetal()
cmove %rcx,%rdx
mov %rdx,48(%rax) #→ f.writer
mov %rax,stderr(%rip)
.init.end 400,_init_g_stderr,globl,hidden