* adding special code in cmd/link.
 * However, it will be called for every Go programs which has cgo.
 * Inside _rt0_ppc64_aix_lib(), runtime.isarchive is checked in order
 * to know if this program is a c-archive or a simple cgo program.
 * If it's not set, _rt0_ppc64_ax_lib() returns directly.
 */
static void libinit() {
	_rt0_ppc64_aix_lib();

	MOVD R14, R3 // argc
	MOVD R15, R4 // argv
	BL _main(SB)


DEFINE_PPC64X_FUNCDESC(main, _main)
TEXT _main(SB),NOSPLIT,$-8
	MOVD $runtime·rt0_go(SB), R12
	MOVD R12, CTR
	BR (CTR)


TEXT _rt0_ppc64_aix_lib(SB),NOSPLIT,$-8
	// Start with standard C stack frame layout and linkage.
	MOVD	LR, R0
	MOVD	R0, 16(R1) // Save LR in caller's frame.
	MOVW	CR, R0	   // Save CR in caller's frame
	MOVD	R0, 8(R1)