1 // Copyright 2021 Chaos Mesh Authors. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 // 15 16 package time 17 18 import ( 19 "github.com/pkg/errors" 20 21 "github.com/chaos-mesh/chaos-mesh/pkg/mapreader" 22 "github.com/chaos-mesh/chaos-mesh/pkg/ptrace" 23 ) 24 25 const varLength = 8 26 27 func (it *FakeImage) SetVarUint64(program *ptrace.TracedProgram, entry *mapreader.Entry, symbol string, value uint64) error { 28 if offset, ok := it.offset[symbol]; ok { 29 err := program.WriteUint64ToAddr(entry.StartAddress+uint64(offset), value) 30 return err 31 } 32 33 return errors.New("symbol not found") 34 } 35