about linux kernel

[YongseopKim]

Linux Standard Base Specification

• https://refspecs.linuxbase.org/LSB_3.0.0/LSB-Core-generic/LSB-Core-generic/generic-lsb.html
• Base Lib
  • libc
  • libm: math
  • libpthread
  • libdl
  • librt: Shared Memory Objects, Clock, Timers
• Util Lib
  • libz: zip
  • libutil

ld: linker

• https://linux.die.net/man/1/ld
• ld combines a number of object and archive files, relocates their data and ties up symbol references.

vdso & vvar: https://lwn.net/Articles/615809/

• vdso: a memory region belonging to the address space of every user-mode process
• vvar: The values of the vvar variables are set from the values of other kernel variables not accessible to user-space code.

vectors

• https://stackoverflow.com/questions/19859019/what-vectors-mean-in-smaps
• [vectors] indicates a page used by the VDSO mechanism.