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This section pertain only to Win32. On Win64 there is a single native calling convention. All convention specifiers are ignored on this platform.
When a subprogram F (caller) calls a subprogram G (callee), there are several ways to push G’s parameters on the stack and there are several possible scenarios to clean up the stack upon G’s return. A calling convention is an agreed upon software protocol whereby the responsibilities between the caller (F) and the callee (G) are clearly defined. Several calling conventions are available for Windows:
| • C Calling Convention: | ||
| • Stdcall Calling Convention: | ||
| • Win32 Calling Convention: | ||
| • DLL Calling Convention: | ||