pkg/cover: split into ELF-dependent/independent parts

1 files changed, 35 insertions, 0 deletions

diff --git a/pkg/cover/backend/backend.go b/pkg/cover/backend/backend.go
new file mode 100644
index 000000000..c99e40893
--- /dev/null
+++ b/pkg/cover/backend/backend.go
@@ -0,0 +1,35 @@
+// Copyright 2020 syzkaller project authors. All rights reserved.
+// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
+
+package backend
+
+import (
+	"github.com/google/syzkaller/pkg/symbolizer"
+	"github.com/google/syzkaller/sys/targets"
+)
+
+type Impl struct {
+	Units     []*CompileUnit
+	Symbols   []*Symbol
+	Frames    []symbolizer.Frame
+	Symbolize func(pcs []uint64) ([]symbolizer.Frame, error)
+}
+
+type CompileUnit struct {
+	Name string
+	Path string
+	PCs  []uint64
+}
+
+type Symbol struct {
+	Unit       *CompileUnit
+	Name       string
+	Start      uint64
+	End        uint64
+	PCs        []uint64
+	Symbolized bool
+}
+
+func Make(target *targets.Target, kernelObject, srcDir, buildDir string) (*Impl, error) {
+	return makeELF(target, kernelObject, srcDir, buildDir)
+}