From ad7d294798bac1b8da37cf303e44ade90689bb1c Mon Sep 17 00:00:00 2001 From: Dmitry Vyukov Date: Thu, 5 Apr 2018 12:02:16 +0200 Subject: tools/syz-execprog: dump coverage in text format There is no point in using sancov, it does not do anything other than transforming binary format to a useful text format. Write out text format directly. --- tools/syz-execprog/execprog.go | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/tools/syz-execprog/execprog.go b/tools/syz-execprog/execprog.go index 90c8b32e7..59bb33a21 100644 --- a/tools/syz-execprog/execprog.go +++ b/tools/syz-execprog/execprog.go @@ -7,7 +7,6 @@ package main import ( "bytes" - "encoding/binary" "flag" "fmt" "io/ioutil" @@ -169,18 +168,14 @@ func main() { fmt.Printf("RESULT: no calls executed\n") } if *flagCoverFile != "" { - // Coverage is dumped in sanitizer format. - // github.com/google/sanitizers/tools/sancov command can be used to dump PCs, - // then they can be piped via addr2line to symbolize. for i, inf := range info { fmt.Printf("call #%v: signal %v, coverage %v\n", i, len(inf.Signal), len(inf.Cover)) if len(inf.Cover) == 0 { continue } buf := new(bytes.Buffer) - binary.Write(buf, binary.LittleEndian, uint64(0xC0BFFFFFFFFFFF64)) for _, pc := range inf.Cover { - binary.Write(buf, binary.LittleEndian, cover.RestorePC(pc, 0xffffffff)) + fmt.Fprintf(buf, "0x%x\n", cover.RestorePC(pc, 0xffffffff)) } err := osutil.WriteFile(fmt.Sprintf("%v.%v", *flagCoverFile, i), buf.Bytes()) if err != nil { -- cgit mrf-deployment