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https://github.com/jart/cosmopolitan.git
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da36e7e256
Buffering now has optimal performance, bugs have been fixed, and some missing apis have been introduced. This implementation is also now more production worthy since it's less brittle now in terms of system errors. That's going to help redbean since lua i/o is all based on stdio. See #97
38 lines
2.3 KiB
ArmAsm
38 lines
2.3 KiB
ArmAsm
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
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│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/sysv/consts/o.h"
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#include "libc/dce.h"
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#include "libc/calls/calls.h"
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#include "libc/sysv/consts/fileno.h"
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#include "libc/macros.internal.h"
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.source __FILE__
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.init.start 400,_init_stderr
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ezlea __stderr,ax
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push $_IOLBF
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pop (%rax) #→ f.fd
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push STDERR_FILENO
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pop 12(%rax)
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mov O_WRONLY,%edx
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mov %edx,4(%rax) #→ f.iomode
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ezlea __stderr_buf,cx
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mov %rcx,24(%rax) #→ f.buf
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movl $BUFSIZ,32(%rax) #→ f.size
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mov %rax,stderr(%rip)
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.init.end 400,_init_stderr,globl,hidden
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