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/*
* ========================
* ===== ===============
* ====== ================
* ====== ================
* ====== ==== ==== ==
* ====== === == = =
* ====== === = == =
* = === === = == ====
* = === === = == = =
* == ===== ==== ==
* ========================
*
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 2022 Joe
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the organization nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY JOE ''AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL JOE BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* asm-cgi-example: src/c_infos.S
* Sun May 22 18:13:05 CEST 2022
* Joe
*/
.text
.extern getcwd
.extern u_strlen
.globl c_infos
c_infos:
xorq %rax, %rax
xorq $buff, %rdi
xorq $0x80, %rsi
movw $0x146, %ax /* SYS_getcwd */
callq getcwd
cmp $0x0, %rax
je err
movq %rax, %rdi
callq u_strlen
movq %rax, %rdx
movq %rdi, %rsi
xorq %rdi, %rdi
xorq %rax, %rax
movb $0x1, %dil
movb $0x4, %al /* SYS_write */
syscall
retq
err:
xorq %rax, %rax
xorq %rdi, %rdi
movb $0x1, %dil
movb $0x1, %al
syscall
.bss
buff: .zero 0x80
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