System Call flow in Kernel Space

All QuestionsCategory: Operating SystemSystem Call flow in Kernel Space
Anonymous asked 3 years ago
1 Answers
Anonymous answered 3 years ago
  • Lookup ISR table with predefined offset
  • Jump to the common system call handler
  • Retrieve system call no. from a specific register
  • Lookup system call table with calculated offset
  • Jump to a system call, as per address available in sys call table
  • Retrieve the parameters from registers
  • Execute the system calls
  • Return the result through the designated register.