// badVoidPointerTypedef handles the "void *" HANDLE type, but other
	// handles are defined as
	//
	// struct <name>__{int unused;}; typedef struct <name>__ *name;
	//
	// by the DECLARE_HANDLE macro in STRICT mode. The macro is declared in
	// the Windows ntdef.h header,
	//
	// https://github.com/tpn/winsdk-10/blob/master/Include/10.0.16299.0/shared/ntdef.h#L779
	if goos != "windows" {
		return false
	}

	MOVQ	r13-(12*8+8)(SP), R13
	MOVQ	r14-(13*8+8)(SP), R14
	MOVQ	r15-(14*8+8)(SP), R15

	RET

// runtime.debugCallCheck assumes that functions defined with the
// DEBUG_CALL_FN macro are safe points to inject calls.
#define DEBUG_CALL_FN(NAME,MAXSIZE)		\
TEXT NAME(SB),WRAPPER,$MAXSIZE-0;		\
	NO_LOCAL_POINTERS;			\
	MOVQ	$0, R12;				\
	BYTE	$0xcc;				\
	MOVQ	$1, R12;				\