diff options
Diffstat (limited to 'stdio/stdin-init.S')
| -rw-r--r-- | stdio/stdin-init.S | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/stdio/stdin-init.S b/stdio/stdin-init.S new file mode 100644 index 0000000..4609537 --- /dev/null +++ b/stdio/stdin-init.S @@ -0,0 +1,34 @@ +/*-*- 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/sysv/consts/o.h" +#include "libc/dce.h" +#include "libc/calls/calls.h" +#include "libc/sysv/consts/fileno.h" +#include "libc/macros.internal.h" +.source __FILE__ + + .init.start 400,_init_stdin + ezlea __stdin,ax + mov O_RDONLY,%edx + mov %edx,4(%rax) #→ f.iomode + ezlea __stdin_buf,cx + mov %rcx,24(%rax) #→ f.buf + movl $BUFSIZ,32(%rax) #→ f.size + mov %rax,stdin(%rip) + .init.end 400,_init_stdin,globl,hidden |