CALL linkage conventions

This topic describes the program call linkage conventions supported by Language Environment:
  • The standard Language Environment linkage, used by all Language Environment-conforming languages
  • FASTLINK linkage, used by default with z/OS® C++ and High Performance Compiled Java™ (HPCJ)
  • Extra Performance Linkage (XPLINK) produced by the z/OS XL C and C++ compilers to provide optimal performance for a certain class of applications