The irony is that the constraint that you're talking about went away in the early 1980s when processors with more than just a single accumulator register became popular.
Sinclair QDOS is another, roughly contemporary but a few years earlier, example. The 68008 had far more general-purpose registers than the Z80, so the system call TRAPs in QDOS uniformly return an error code in D0 and up to three results in D1, D2, and D3.
Атаки на контейнерные системы и композиция данных для их обнаружения
Введение В последние годы контейнеризация и контейнерные системы стали конкурентной альтернативой виртуализации и виртуальным операционным системам, поскольку контейнерные системы предлагают более рациональный подход к использованию вычислительных ресурсов. Это достигается за счёт упаковки в образ контейнера только необходимых программных компонентов, что позволяет запустить контейнер с минимальным набором библиотек и утилит. Но при использовании контейнерных систем одно неправильное движение может привести к катастрофическим последствиям. В статье расскажу о некоторых видах атак на контейнеры и способах их обнаружения.
https://habr.com/ru/companies/gaz-is/articles/919418/
#газинформсервис #информационная_безопасность #нейросети #контейнеры #атаки #обнаружение_атак #syscalls #логи
🍖 Ah, the "essential" #guide to the #Windows x86-64 syscall table—because everyone just loves a riveting dive into #hexadecimal soup 🥣. Don't worry, by the time you finish deciphering this, Windows 27 will be out and your newfound #knowledge will be as useful as a floppy disk 📀.
https://j00ru.vexillium.org/syscalls/nt/64/ #Syscalls #Essential #Tech #Humor #HackerNews #ngated
Windows x86-64 System Call Table (XP/2003/Vista/7/8/10/11 and Server)
https://j00ru.vexillium.org/syscalls/nt/64/
#HackerNews #Windows #System #Calls #x86-64 #WindowsXP #Windows10 #TechResearch #Syscalls
How would you prefer to name macros that generate syscalls in assembly?
NetBSD/C/syscalls question. Certain NetBSD syscalls contain a PAD argument:
173 STD RUMP { ssize_t|sys||pread(int fd, void *buf, size_t nbyte, int PAD, off_t offset); }
The syscalls.master documentation states:
PAD argument not part of the C interface, used only for padding
Does this mean that a user-land assembly program must still push an empty argument onto the stack for the PAD argument? Or does it only exist in kernel function declaration for the syscall?
Sometimes..........
#linuxkernel #syscalls #opensourcedevelopment #operatingsystem
Sometimes..........
#linuxkernel #syscalls #opensourcedevelopment #operatingsystem
🤔 Oh, you wanted to know where the #bytes go? Well, let's take a thrilling tour through the #labyrinth of #syscalls, because nothing screams excitement like relentless file paths and arcane #assembly #language. 🚀 Spoiler alert: it's all gloriously tedious, but don't worry, your bytes are probably somewhere safe... or not. 🤷♂️
https://flak.tedunangst.com/post/where-do-the-bytes-go #tech #thrill #HackerNews #ngated
Linux 6.15 will bring open_tree_attr() system call.
"Add open_tree_attr() which allow to atomically create a detached mount tree and set mount options on it. If OPEN_TREE_CLONE is used this will allow the creation of a detached mount with a new set of mount options without it ever being exposed to userspace without that set of mount options applied."
https://lore.kernel.org/all/20250128-work-mnt_idmap-update-v2-v1-3-c25feb0d2eb3@kernel.org/
🎩✨ Behold, the riveting saga of #syscalls on OpenBSD! Because, naturally, manually entering addresses for every build wasn't enough of a party 🚀. Now, watch in awe as one brave soul ports a "real" application to raw syscalls—truly, the Shakespeare of low-level programming! 🐢🔧
https://nullprogram.com/blog/2025/03/06/ #OpenBSD #lowlevelprogramming #technews #softwaredevelopment #codingadventures #HackerNews #ngated
A more robust raw OpenBSD syscall demo
https://nullprogram.com/blog/2025/03/06/
#HackerNews #OpenBSD #Syscalls #Demo #Robustness #Technology #Innovation
Experimented with #ToaruOS today and wrote my first ever syscall. Not just for ToaruOS, but in general.
(I had to make the panic() function non-static for this to work, but it was worth it.)
It’s my first time really tinkering with ToaruOS’s internals at the code level so I’m very proud of myself.
May write a guide for this eventually, lemme know if you wanna see that. It’ll be on my blog.
#OSDev #Programming #Kernel #Development #OperatingSystem #Tech #Technology #Computing #Cool #Syscalls
💥 Want to see how simple ASM can be and dilly-dally some more with syscalls and OS security mechanisms?
Then, "Let's Reflect: Simple ASM Review and OS Security Mechanisms"
🎯 Want to level up your low-level programming?
Check out yet another blog entry: https://dreaming-of-dragons.blogspot.com/2024/12/wherein-we-pause-to-reflect-simple-asm.html
#ASM #ReverseEngineering #Linux #TechBlog #LowLevelProgramming #Syscalls #Security #GDB
This article explains how #macOS handles #exceptions on #Apple Silicon (#arm64), transitions between #user - #kernel mode, dives into #syscalls, #interrupts, and fault handling details, and includes a breakdown with a visual Exception Handling Map. Enjoy!
https://karol-mazurek.medium.com/exceptions-on-macos-2c4bd6a9fd31?sk=v2/fa7393a6-16e7-46d4-84d0-4de300260533
A deep dive into Linux’s new mseal syscall:
https://blog.trailofbits.com/2024/10/25/a-deep-dive-into-linuxs-new-mseal-syscall/
A deep dive into Linux’s new mseal syscall:
https://blog.trailofbits.com/2024/10/25/a-deep-dive-into-linuxs-new-mseal-syscall/
After again struggeling with #emscripten and the wait4 / wait3 #syscalls, and stumbeling across my 1year+ old bug report on that matter, I just said "Fine, I do it myself" and added the two missing c sources to the build process of emscripten's #libc build xDDDDDD Works flawlessly lmao
