I have a simple (probably the simplest) bootloader. Very similar to this and this. The code is shown below [org 0x7c00] mov ah, 0x0e mov al, 'h' int 0x10 jmp $ times 510-($-$$) db 0 dw 0xaa55 The code is…
I tried to implement the quicksort in x86-64 Assembler, on Linux. Since I'm not fully comfortable with it yet, I wrote the partition algorithm in C. It seems to work but something must be off, because adding a call to…
I'm assembling an x86-64 program on Ubuntu with NASM: nasm -f elf64 -g -F dwarf -o foo.o foo.asm ld -o foo foo.o Source: section .text global _start _start: mov rax, 60 ;SYS_exit mov rdi, 0 ;EXIT_SUCCESS syscall Debugging the program…
For sake of this question, I have a hello world python script called script.py. def hello_world(): print("hello world") if __name__ == "__main__": hello_world() And have a corresponding Dockerfile: FROM python:3.8-alpine WORKDIR /app COPY requirements.txt requirements.txt RUN python3 -m pip install…
I've written this implementation of a double buffer: // ping_pong_buffer.hpp #include <vector> #include <mutex> #include <condition_variable> template <typename T> class ping_pong_buffer { public: using single_buffer_type = std::vector<T>; using pointer = typename single_buffer_type::pointer; using const_pointer = typename single_buffer_type::const_pointer; ping_pong_buffer(std::size_t size) :…
The error code from my compiler Undefined symbols for architecture x86_64: "_OBJC_CLASS_$_GTMOAuth2KeychainCompatibility", referenced from: objc-class-ref in GoogleSignIn(GIDAuthStateMigration_bdf842e92d17b12b5f020e0e721bd017.o) "_OBJC_CLASS_$_OIDServiceConfiguration", referenced from: objc-class-ref in GoogleSignIn(GIDSignIn_f05654be6d1b2af59ab6df426a0c4eb9.o) "_OIDResponseTypeCode", referenced from: -[GIDSignIn authenticateInteractivelyWithOptions:] in GoogleSignIn(GIDSignIn_f05654be6d1b2af59ab6df426a0c4eb9.o) "_OBJC_CLASS_$_OIDAuthorizationService", referenced from: objc-class-ref in GoogleSignIn(GIDAuthentication_7b83cc27af8929ec7e4c9760d73a0f31.o) "_OBJC_CLASS_$_OIDURLQueryComponent", referenced from: objc-class-ref…
I was studying re-entrancy in programming. On this site of IBM (really good one). I have founded a code, copied below. It's the first code that comes rolling down the website. The code tries showing the issues involving shared access…
I am trying to run a simple program on CentOS. The program: using System; namespace helloworld { class Program { static void Main(string[] args) { Console.WriteLine("Hello World!"); returnHello(); } static string returnHello() { return "hwdy ha"; } } } My…