// license that can be found in the LICENSE file.

package pprof

import "os"

// peBuildID returns a best effort unique ID for the named executable.
//
// It would be wasteful to calculate the hash of the whole file,
// instead use the binary name and the last modified time for the buildid.
func peBuildID(file string) string {
	s, err := os.Stat(file)
	if err != nil {
		return file
	}

		return
	}
	for err == nil {
		exe := syscall.UTF16ToString(module.ExePath[:])
		b.addMappingEntry(
			uint64(module.ModBaseAddr),
			uint64(module.ModBaseAddr)+uint64(module.ModBaseSize),
			0,
			exe,
			peBuildID(exe),
			false,
		)
		err = windows.Module32Next(snap, &module)
	}
}

func readMainModuleMapping() (start, end uint64, exe, buildID string, err error) {
	exe, err = os.Executable()
	if err != nil {