/// \brief HHVM calling convention for invoking C/C++ helpers.
HHVM_C = 82,
+ /// X86_INTR - x86 hardware interrupt context. Callee may take one or two
+ /// parameters, where the 1st represents a pointer to hardware context frame
+ /// and the 2nd represents hardware error code, the presence of the later
+ /// depends on the interrupt vector taken. Valid for both 32- and 64-bit
+ /// subtargets.
+ X86_INTR = 83,
+
/// The highest possible calling convention ID. Must be some 2^k - 1.
MaxID = 1023
};