| // 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 |
| |
| 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, err error) { |
| return 0, 0, errors.New("not implemented") |
| } |
