pkg/ipc: move fallback coverage into executor

It seems to explode linux corpus.
So make it freebsd-specific.

1 files changed, 0 insertions, 14 deletions

diff --git a/pkg/ipc/ipc.go b/pkg/ipc/ipc.go
index a28eedcfa..8abf54054 100644
--- a/pkg/ipc/ipc.go
+++ b/pkg/ipc/ipc.go
@@ -477,20 +477,6 @@ func (env *Env) readOutCoverage(p *prog.Prog) (info []CallInfo, err0 error) {
 		}
 		info[callIndex].Comps = compMap
 	}
-	if env.config.Flags&FlagSignal != 0 {
-		// This is fallback coverage used when no real coverage available.
-		// We use syscall number or-ed with returned errno value as signal.
-		// At least this gives us all combinations of syscall+errno.
-		for i := range info {
-			ci := &info[i]
-			if len(ci.Signal) != 0 {
-				continue
-			}
-			num := p.Calls[i].Meta.ID
-			sig := uint32(num<<16) | uint32(ci.Errno)&0x3ff
-			ci.Signal = []uint32{sig}
-		}
-	}
 	return
 }