//go:build gc.boehm

package runtime

import "unsafe"

func markGlobals() {
	for i := uintptr(0); i < gcGlobalRootCount(); i++ {
		addr := gcGlobalRoot(uintptr(i))
		// GC_push_all queues one range per call and overflows Boehm's mark
		// stack for programs with thousands of roots. Scan each range now.
		libgc_push_all_eager(uintptr(addr), uintptr(addr)+gcGlobalRootSize(i))
	}
}

// These functions are generated by the compiler from the pointer layouts of
// mutable globals. Each range contains only pointer slots.
func gcGlobalRootCount() uintptr
func gcGlobalRoot(index uintptr) unsafe.Pointer
func gcGlobalRootSize(index uintptr) uintptr