| // Copyright 2022 The Go Authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style | |
| // license that can be found in the LICENSE file. | |
| //go:build !windows && !darwin | |
| package pprof | |
| import ( | |
| "errors" | |
| "os" | |
| ) | |
| // readMapping reads /proc/self/maps and writes mappings to b.pb. | |
| // It saves the address ranges of the mappings in b.mem for use | |
| // when emitting locations. | |
| func (b *profileBuilder) readMapping() { | |
| data, _ := os.ReadFile("/proc/self/maps") | |
| parseProcSelfMaps(data, b.addMapping) | |
| if len(b.mem) == 0 { // pprof expects a map entry, so fake one. | |
| b.addMappingEntry(0, 0, 0, "", "", true) | |
| // TODO(hyangah): make addMapping return *memMap or | |
| // take a memMap struct, and get rid of addMappingEntry | |
| // that takes a bunch of positional arguments. | |
| } | |
| } | |
| func readMainModuleMapping() (start, end uint64, exe, buildID string, err error) { | |
| return 0, 0, "", "", errors.New("not implemented") | |
| } | |