Read and print user input with x86 assembly (GNU/Linux)
来源： https://stackoverflow.com/questions/23468176/read-and-print-user-input-with-x86-assembly-gnu-linux
nasm
How to open a file in assembler and modify it?
来源： https://stackoverflow.com/questions/8312290/how-to-open-a-file-in-assembler-and-modify-it
How to open a file in assembler and modify it?
来源： https://stackoverflow.com/questions/8312290/how-to-open-a-file-in-assembler-and-modify-it
How to link Windows universal CRT to obj file compiled with nasm
来源： https://stackoverflow.com/questions/43239199/how-to-link-windows-universal-crt-to-obj-file-compiled-with-nasm
Debugging NASM in VS code
来源： https://stackoverflow.com/questions/63188810/debugging-nasm-in-vs-code
Debugging NASM in VS code
来源： https://stackoverflow.com/questions/63188810/debugging-nasm-in-vs-code
Move 32bit register into a 8 bit register
问题 Im trying to move edx into al but i get this error lib/io/print.asm:50: error: invalid combination of opcode and operands this is the code mov edx, 0x41 mov al, edx thanks in advance 回答1: The problem is the second line: mov al, edx The edx register is 32-bits, but al is 8-bit, so you can't directly move one into the other. If you want to move the low 8 bits of edx into dl , do this: mov al, dl Or perhaps you want to move all of edx into eax , like this: mov eax, edx The difference is the
Move 32bit register into a 8 bit register
问题 Im trying to move edx into al but i get this error lib/io/print.asm:50: error: invalid combination of opcode and operands this is the code mov edx, 0x41 mov al, edx thanks in advance 回答1: The problem is the second line: mov al, edx The edx register is 32-bits, but al is 8-bit, so you can't directly move one into the other. If you want to move the low 8 bits of edx into dl , do this: mov al, dl Or perhaps you want to move all of edx into eax , like this: mov eax, edx The difference is the
nasm system calls Linux
问题 I have got a question about linux x86 system calls in assembly. When I am creating a new assembly program with nasm on linux, I'd like to know which system calls I have to use for doing a specific task (for example reading a file, writing output, or simple exiting...). I know some syscall because I've read them on some examples taken around internet (such as eax=0, ebx=1 int 0x80 exit with return value of 1), but nothing more... How could I know if there are other arguments for exit syscall?
OpenSSL 3.0 版本已经发布VS2019编译源码教程
1 OpenSSL 3.0版本在2020年五月发布 OpenSSL3.0 在2020年5月发布了第一个版本，随即在六月份又发布了一些alpha版本，版本修正了一些bug，增加了一些协议支持，继续支持国密sm2 ，sm3 ，sm4（从1.1.1版本开始支持）。 3.0版本完全兼容1.1.1版本接口，但低级别的MD2, MD4, MD5, MDC2,SHA1, SHA224, SHA256, SHA384, SHA512，AES,DES，ECDH，DSA，ECDSA，RSA接口都会被警告将要被弃用。但文档中没有提及要用什么接口替换，估计是全部用EVP接口替换，我在项目中基本都替换为了EVP接口。 2 OpenSSL 3.0版本使用VS2019编译过程 2.1 OpenSSL3.0 源码下载 源码可以到官方网站或者直接使用git进行下载 下载地址 ffmpeg.vip 或者使用git下载版本库上最新源码 git clone git://git.openssl.org/openssl.git 2.2 依赖工具安装 安装 perl 脚本解释器 下载 http://openssl.vip/download 安装 nasm 汇编器 下载地址 http://openssl.vip/download 默认会安装到用户目录 C:\Users\用户名\AppData\Local\bin