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Don't assume availability of .gosymtab / .gopclntab

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This commit is contained in:
Derek Parker 2014-08-07 17:57:58 -05:00
parent 4dfa249d78
commit 54e15f9d06
1 changed files with 18 additions and 8 deletions
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26
proctl/proctl_linux_amd64.go
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@ -565,16 +565,26 @@ func (dbp *DebuggedProcess) parseDebugFrame(wg *sync.WaitGroup) {
func (dbp *DebuggedProcess) obtainGoSymbols(wg *sync.WaitGroup) {
defer wg.Done()
symdat, err := dbp.Executable.Section(".gosymtab").Data()
if err != nil {
fmt.Println("could not get .gosymtab section", err)
os.Exit(1)
var (
symdat []byte
pclndat []byte
err error
)
if sec := dbp.Executable.Section(".gosymtab"); sec != nil {
symdat, err = sec.Data()
if err != nil {
fmt.Println("could not get .gosymtab section", err)
os.Exit(1)
}
}
pclndat, err := dbp.Executable.Section(".gopclntab").Data()
if err != nil {
fmt.Println("could not get .gopclntab section", err)
os.Exit(1)
if sec := dbp.Executable.Section(".gopclntab"); sec != nil {
pclndat, err = sec.Data()
if err != nil {
fmt.Println("could not get .gopclntab section", err)
os.Exit(1)
}
}
pcln := gosym.NewLineTable(pclndat, dbp.Executable.Section(".text").Addr)