diff options
Diffstat (limited to 'stdio/unlocked/putchar_unlocked.S')
| -rw-r--r-- | stdio/unlocked/putchar_unlocked.S | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/stdio/unlocked/putchar_unlocked.S b/stdio/unlocked/putchar_unlocked.S new file mode 100644 index 0000000..df0b807 --- /dev/null +++ b/stdio/unlocked/putchar_unlocked.S @@ -0,0 +1,29 @@ +/*-*- 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/macros.internal.h" +.source __FILE__ + +putchar_unlocked: + push %rbp + mov %rsp,%rbp + .profilable # note: no consensus for threads exists in abis + call putchar + pop %rbp + ret + .endfn putchar_unlocked,globl |