systems-programming

• 01-elf-and-binary-formats
• ELF File Format
• Dynamic Linking and ld.so
• Loading and Startup: _start → main
• 02-system-call-abi
• x86-64 System Call ABI
• ARM64 System Call ABI
• Anatomy of glibc Syscall Wrappers
• 03-processes-and-memory
• Process Memory Layout
• malloc Internals: ptmalloc2
• ASLR and Security Hardening
• 04-signals-and-exceptions
• User-Space Signal Handling
• ptrace and Debugging Interfaces
• 05-io-and-file-systems
• Buffered I/O (stdio)
• io_uring: Revolutionary Asynchronous IO
• epoll and Event-Driven Programming
• 06-ipc-and-synchronization
• futex: The Kernel Hop in Userspace Locks
• Pipes and socketpair
• Shared Memory and Semaphores
• 07-toolchain-and-compilation
• GCC and Clang Internals
• Linker Scripts and Relocations
• Make / CMake / Meson Build Systems
• 08-performance-and-debugging
• Deep Dive into perf
• Valgrind and Sanitizers in Practice
• ftrace and bpftrace User-Space Tracing