Glibc and System Call Layer

• Introduction
  • Acknowledgements
• Basics of a Linux System
  • Introduction
  • Programs and Compilation
  • Libraries
  • System Calls
  • Kernel
  • Conclusion
  • References
• Working with glibc
  • Introduction
  • Why this chapter
  • What is glibc
  • Download and extract glibc
  • Walkthrough glibc
  • Reading some functions of glibc
  • Compiling and installing glibc
  • Using new glibc
  • Conclusion
• System Calls On x86_64 from User Space
  • Setting Up Arguements
  • Calling the System Call
  • Retrieving the Return Value
• Setting Up Arguments
  • Introduction
  • Walk through open system call in glibc
  • Check Arguements Using gdb
• Calling System Calls
  • Glibc syscall() interface
  • syscall assembly instruction
  • Difference between syscall() glibc interface and syscall assembly instruction
  • Conclusion
• Return Values
  • Introduction
  • How system calls return value?
  • Printing Error Value
  • Conclusion