gf/g/errors/gerror/gerror_stack.go

package gerror

import "runtime"

// stack represents a stack of program counters.
type stack []uintptr

func callers() *stack {
	const depth = 32
	var pcs [depth]uintptr
	n := runtime.Callers(3, pcs[:])
	var st stack = pcs[0:n]
	return &st
}