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author | JozanLeClerc <JozanLeClerc@noemail.net> | 2020-11-21 15:53:19 +0000 |
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committer | JozanLeClerc <JozanLeClerc@noemail.net> | 2020-11-21 15:53:19 +0000 |
commit | 5ba3ccb008eb3365d5c0f89a865ae6dd1341ed98 (patch) | |
tree | e1f0d52bb2d0018ab23f3d8ddfe34b937265ed02 /src | |
parent | Removed shit (diff) | |
download | bsdsetsid-5ba3ccb008eb3365d5c0f89a865ae6dd1341ed98.tar.gz bsdsetsid-5ba3ccb008eb3365d5c0f89a865ae6dd1341ed98.tar.bz2 bsdsetsid-5ba3ccb008eb3365d5c0f89a865ae6dd1341ed98.tar.xz bsdsetsid-5ba3ccb008eb3365d5c0f89a865ae6dd1341ed98.tar.zst bsdsetsid-5ba3ccb008eb3365d5c0f89a865ae6dd1341ed98.zip |
Makefile update
FossilOrigin-Name: 465d9c763cb3e3c955c03cd315dc6be6e2550b5a
Diffstat (limited to 'src')
-rw-r--r-- | src/c_bsdsetsid.S | 2 | ||||
-rw-r--r-- | src/u_hexdec.S | 72 | ||||
-rw-r--r-- | src/u_strncmp.S | 56 |
3 files changed, 129 insertions, 1 deletions
diff --git a/src/c_bsdsetsid.S b/src/c_bsdsetsid.S index 2c2d158..9f0e420 100644 --- a/src/c_bsdsetsid.S +++ b/src/c_bsdsetsid.S @@ -69,7 +69,7 @@ c_parent: c_child: xor %rax, %rax - mov $0x93, %rax /* SYS_setsid */ + movb $0x93, %al /* SYS_setsid */ syscall test %rax, %rax js e_setsid diff --git a/src/u_hexdec.S b/src/u_hexdec.S new file mode 100644 index 0000000..a362ba6 --- /dev/null +++ b/src/u_hexdec.S @@ -0,0 +1,72 @@ +/* + * ======================== + * ===== =============== + * ====== ================ + * ====== ================ + * ====== ==== ==== == + * ====== === == = = + * ====== === = == = + * = === === = == ==== + * = === === = == = = + * == ===== ==== == + * ======================== + * + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 2020 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. + * + * bsdsetsid: src/u_hexdec.S + * 2020-11-21 14:00 + * Joe + * + * General error handling happen here. + */ + +.text +.globl u_hexdec + +u_hexdec: + xor %r10, %r10 + xor %r9, %r9 + xor %r8, %r8 + mov $0xa, %rbx + clc +.u.repeat: + xor %rdx, %rdx + idiv %rbx + or $0x0, %dl + mov $0x8, %rcx +.u.shift: + rcrb $0x1, %dl + rcr $0x1, %r10 + rcr $0x1, %r9 + rcr $0x1, %r8 + dec %rcx + and %rcx, %rcx + jnz .u.shift + and %rax, %rax + jnz .u.repeat + ret diff --git a/src/u_strncmp.S b/src/u_strncmp.S new file mode 100644 index 0000000..9c90cd0 --- /dev/null +++ b/src/u_strncmp.S @@ -0,0 +1,56 @@ +/* + * ======================== + * ===== =============== + * ====== ================ + * ====== ================ + * ====== ==== ==== == + * ====== === == = = + * ====== === = == = + * = === === = == ==== + * = === === = == = = + * == ===== ==== == + * ======================== + * + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 2020 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. + * + * bsdsetsid: src/u_strncmp.S + * 2020-11-21 14:02 + * Joe + * + * General error handling happen here. + */ + +.text +.globl u_strncmp + +u_strncmp: +# xor %rcx, %rcx +# dec %rdx +#.u.loop +# cmpb (%rsi) + ret |