feat: support debug for gop project

go.mod

@@ -10,7 +10,7 @@ require (
 	github.com/go-delve/gore v0.11.6
 	github.com/go-delve/liner v1.2.3-0.20231231155935-4726ab1d7f62
 	github.com/google/go-dap v0.11.0
-	github.com/goplus/mod v0.12.2
+	github.com/goplus/mod v0.12.3
 	github.com/hashicorp/golang-lru v1.0.2
 	github.com/mattn/go-colorable v0.1.13
 	github.com/mattn/go-isatty v0.0.20

go.sum

@@ -21,8 +21,8 @@ github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
 github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/go-dap v0.11.0 h1:SpAZJL41rOOvd85PuLCCLE1dteTQOyKNnn0H3DBHywo=
 github.com/google/go-dap v0.11.0/go.mod h1:HAeyoSd2WIfTfg+0GRXcFrb+RnojAtGNh+k+XTIxJDE=
-github.com/goplus/mod v0.12.2 h1:5RHUdmXT5jlzOFUAfrx/5uSk4RTphFPFcCbRUt/AIBo=
-github.com/goplus/mod v0.12.2/go.mod h1:ZtlS9wHOcAVxZ/zq7WLdKVes1HG/8Yn3KNuWZGcpeTs=
+github.com/goplus/mod v0.12.3 h1:qLU5/F27CzUTQhCQRN1WruiCepUn5GdLKQTB41OsYfk=
+github.com/goplus/mod v0.12.3/go.mod h1:ZtlS9wHOcAVxZ/zq7WLdKVes1HG/8Yn3KNuWZGcpeTs=
 github.com/hashicorp/golang-lru v1.0.2 h1:dV3g9Z/unq5DpblPpw+Oqcv4dU/1omnb4Ok8iPY6p1c=
 github.com/hashicorp/golang-lru v1.0.2/go.mod h1:iADmTwqILo4mZ8BN3D2Q6+9jd8WM5uGBxy+E8yxSoD4=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=

pkg/proc/bininfo.go

@@ -2182,6 +2182,34 @@ func (bi *BinaryInfo) registerTypeToPackageMap(entry *dwarf.Entry) {
 	bi.PackageMap[name] = []string{path}
 }
 
+// check file is gop or gop classfile
+func isGopFile(file string) bool {
+	fileExt := filepath.Ext(file)
+	return fileExt != "" && fileExt != ".go" && fileExt != ".s"
+}
+
+// gop file relative path to absolute path
+func relPathToAbsPathByPackage(imageMod *gopmod.Module, filePakage string, relPath string) string {
+	absPath := filePakage
+	if imageMod == nil {
+		panic("imageMod is nil")
+	}
+	if filePakage == "main" {
+		filePakage = imageMod.Path()
+	}
+	if imageMod.PkgType(filePakage) != -1 {
+		fileMod, err := imageMod.Lookup(filePakage)
+		if err == nil {
+			absPath = fileMod.ModDir
+		}
+	}
+	absPath = filepath.Join(absPath, relPath)
+	if runtime.GOOS == "windows" {
+		absPath = filepath.ToSlash(absPath)
+	}
+	return absPath
+}
+
 func (bi *BinaryInfo) loadDebugInfoMaps(image *Image, debugInfoBytes, debugLineBytes []byte, wg *sync.WaitGroup, cont func()) {
 	if wg != nil {
 		defer wg.Done()
@@ -2209,6 +2237,8 @@ func (bi *BinaryInfo) loadDebugInfoMaps(image *Image, debugInfoBytes, debugLineB
 
 	reader := image.DwarfReader()
 
+	imageMod := gopmod.Default
+
 	for {
 		entry, err := reader.Next()
 		if err != nil {
@@ -2266,10 +2296,13 @@ func (bi *BinaryInfo) loadDebugInfoMaps(image *Image, debugInfoBytes, debugLineB
 					cu.producer = cu.producer[:semicolon]
 				}
 			}
-
-			imageMod, err := gopmod.Load(image.Path)
-			if err != nil {
-				imageMod = gopmod.Default
+			// load currentImageDir modInfo
+			imageDir := filepath.Dir(image.Path)
+			if imageMod.Path() != imageDir {
+				imageMod, err = gopmod.Load(imageDir)
+				if err != nil {
+					imageMod = gopmod.Default
+				}
 			}
 			if cu.lineInfo != nil {
 				cuName := cu.name
@@ -2279,21 +2312,9 @@ func (bi *BinaryInfo) loadDebugInfoMaps(image *Image, debugInfoBytes, debugLineB
 				// filter test file suffix: support test debug
 				cuName = strings.TrimSuffix(cuName, "_test")
 				for _, fileEntry := range cu.lineInfo.FileNames {
-					fileExt := filepath.Ext(fileEntry.Path)
-					if fileExt != "" && fileExt != ".go" && fileExt != ".s" && !filepath.IsAbs(fileEntry.Path) {
+					if isGopFile(fileEntry.Path) {
 						filePakage := strings.TrimSuffix(cuName, cu.lineInfo.IncludeDirs[fileEntry.DirIdx])
-						absPath := filePakage
-						if filePakage == "main" {
-							filePakage = imageMod.Path()
-						}
-						fileMod, err := imageMod.Lookup(filePakage)
-						if err == nil {
-							absPath = fileMod.ModDir
-						}
-						absPath = filepath.Join(absPath, fileEntry.Path)
-						if runtime.GOOS == "windows" {
-							absPath = filepath.ToSlash(absPath)
-						}
+						absPath := relPathToAbsPathByPackage(imageMod, filePakage, fileEntry.Path)
 						cu.lineInfo.Lookup[absPath] = fileEntry
 						delete(cu.lineInfo.Lookup, fileEntry.Path)
 						fileEntry.Path = absPath

vendor/modules.txt

@@ -33,7 +33,7 @@ github.com/go-delve/liner
 # github.com/google/go-dap v0.11.0
 ## explicit; go 1.13
 github.com/google/go-dap
-# github.com/goplus/mod v0.12.2
+# github.com/goplus/mod v0.12.3
 ## explicit; go 1.16
 github.com/goplus/mod
 github.com/goplus/mod/gopmod