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ABI

General Details

This article describes the calling conventions with respect to js-ctypes while programming x86 and x86-64/x64/AMD64 architectures. A calling convention is an implementation-level (low-level) scheme regarding how subroutines receive parameters from their caller and how they revert.

http://en.wikipedia.org/wiki/X86_calling_conventions

ABI

ABI stands for  "Application Binary Interface".

http://en.wikipedia.org/wiki/Application_binary_interface

OS Specific

Windows

Details with Respect to js-ctypes

This explains how to use it in the js-ctypes scope.

Three different ABIs exist: ctypes.default_abi, ctypes.stdcall_abi, and ctypes.winapi_abi.

ctypes.default_abi

Corresponds to cdecl; standard libraries use this ABI. You can also use this for various system calls,including those on Mac OS X and Linux.

ctypes.thiscall_abi

  More information is available at Bugzilla :: 552533.

ctypes.stdcall_abi

Used for calling functions declared with stdcall on Windows. These functions' names are automatically mangled for you by js-ctypes.

ctypes.winapi_abi

Used for calling Windows system functions. These are declared as stdcall on Windows, but do not have mangled names like those used by stdcall_abi above.

OS Specific

WIN32 and OS2

Callbacks in js-ctypes under these opearting systems use a different ABI then declare regular functions.

If you just use any of the three ABI's ctypes.default_abi/ctypes.winapi_abi/ctypes.stdcall_abi everywhere, since Firefox XX, js-ctypes will implicity convert it to what it should be https://dxr.mozilla.org/mozilla-central/source/js/src/ctypes/CTypes.cpp#6091

Other

All other operating systems, including 64-bit Windows (WIN64), use ctypes.default_abi as it's calling convention for all things, callbacks and function declaration.

Method overview

String toSource()
String toString()

Methods

toSource()

Returns the string "ctypes.***_abi".

String toSource()
Parameters

None.

Return value

A JavaScript expression that evaluates to the ABI.

toString()

Returns a string identifying the ABI.

String toString();
 
Parameters

None.

Return value

A string identifying the ABI.

See Also

Document Tags and Contributors

 Contributors to this page: Noitidart, PushpitaPikuDey, arai
 Last updated by: Noitidart,