Internals of a Linux system call

Question

What happens (in detail) when a thread makes a system call by raising interrupt 80? What work does Linux do to the thread\'s stack and other state? What changes are done to the

Answer 1

This should help people who seek for answers to what happens when the syscall instruction is executed which transfers the control to the kernel (user mode to kernel mode). This is based upon x86_64 architecture.

https://0xax.gitbooks.io/linux-insides/content/SysCall/syscall-2.html