proto_other.go

     1  // Copyright 2022 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  //go:build !windows && !darwin
     6  
     7  package pprof
     8  
     9  import (
    10  	"errors"
    11  	"os"
    12  )
    13  
    14  // readMapping reads /proc/self/maps and writes mappings to b.pb.
    15  // It saves the address ranges of the mappings in b.mem for use
    16  // when emitting locations.
    17  func (b *profileBuilder) readMapping() {
    18  	data, _ := os.ReadFile("/proc/self/maps")
    19  	parseProcSelfMaps(data, b.addMapping)
    20  	if len(b.mem) == 0 { // pprof expects a map entry, so fake one.
    21  		b.addMappingEntry(0, 0, 0, "", "", true)
    22  		// TODO(hyangah): make addMapping return *memMap or
    23  		// take a memMap struct, and get rid of addMappingEntry
    24  		// that takes a bunch of positional arguments.
    25  	}
    26  }
    27  
    28  func readMainModuleMapping() (start, end uint64, exe, buildID string, err error) {
    29  	return 0, 0, "", "", errors.New("not implemented")
    30  }
    31
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