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authorPatryk Niedźwiedziński <pniedzwiedzinski19@gmail.com>2021-04-17 10:28:11 +0200
committerPatryk Niedźwiedziński <pniedzwiedzinski19@gmail.com>2021-04-17 10:28:11 +0200
commitb1ddaa81f28b8bbc62d6d50526e0935b173099eb (patch)
treee606c194f8eecdedf3f710ed097cadfe97d60122 /stdio/stdin-init.S
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Init
Diffstat (limited to 'stdio/stdin-init.S')
-rw-r--r--stdio/stdin-init.S34
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
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+/*-*- 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