diff --git a/bootstrap/bootstrap.go b/bootstrap/bootstrap.go
index bf12cd3..ead22d0 100644
--- a/bootstrap/bootstrap.go
+++ b/bootstrap/bootstrap.go
@@ -155,7 +155,7 @@ type GoBinaryTool interface {
 }
 
 func pluginDeps(ctx blueprint.BottomUpMutatorContext) {
-	if pkg, ok := ctx.Module().(*goPackage); ok {
+	if pkg, ok := ctx.Module().(*GoPackage); ok {
 		if ctx.PrimaryModule() == ctx.Module() {
 			for _, plugin := range pkg.properties.PluginFor {
 				ctx.AddReverseDependency(ctx.Module(), nil, plugin)
@@ -190,18 +190,18 @@ func isGoPluginFor(name string) func(blueprint.Module) bool {
 }
 
 func IsBootstrapModule(module blueprint.Module) bool {
-	_, isPackage := module.(*goPackage)
-	_, isBinary := module.(*goBinary)
+	_, isPackage := module.(*GoPackage)
+	_, isBinary := module.(*GoBinary)
 	return isPackage || isBinary
 }
 
 func isBootstrapBinaryModule(module blueprint.Module) bool {
-	_, isBinary := module.(*goBinary)
+	_, isBinary := module.(*GoBinary)
 	return isBinary
 }
 
-// A goPackage is a module for building Go packages.
-type goPackage struct {
+// A GoPackage is a module for building Go packages.
+type GoPackage struct {
 	blueprint.SimpleName
 	properties struct {
 		Deps      []string
@@ -231,39 +231,39 @@ type goPackage struct {
 	testResultFile []string
 }
 
-var _ goPackageProducer = (*goPackage)(nil)
+var _ goPackageProducer = (*GoPackage)(nil)
 
 func newGoPackageModuleFactory() func() (blueprint.Module, []interface{}) {
 	return func() (blueprint.Module, []interface{}) {
-		module := &goPackage{}
+		module := &GoPackage{}
 		return module, []interface{}{&module.properties, &module.SimpleName.Properties}
 	}
 }
 
-func (g *goPackage) DynamicDependencies(ctx blueprint.DynamicDependerModuleContext) []string {
+func (g *GoPackage) DynamicDependencies(ctx blueprint.DynamicDependerModuleContext) []string {
 	if ctx.Module() != ctx.PrimaryModule() {
 		return nil
 	}
 	return g.properties.Deps
 }
 
-func (g *goPackage) GoPkgPath() string {
+func (g *GoPackage) GoPkgPath() string {
 	return g.properties.PkgPath
 }
 
-func (g *goPackage) GoPkgRoot() string {
+func (g *GoPackage) GoPkgRoot() string {
 	return g.pkgRoot
 }
 
-func (g *goPackage) GoPackageTarget() string {
+func (g *GoPackage) GoPackageTarget() string {
 	return g.archiveFile
 }
 
-func (g *goPackage) GoTestTargets() []string {
+func (g *GoPackage) GoTestTargets() []string {
 	return g.testResultFile
 }
 
-func (g *goPackage) IsPluginFor(name string) bool {
+func (g *GoPackage) IsPluginFor(name string) bool {
 	for _, plugin := range g.properties.PluginFor {
 		if plugin == name {
 			return true
@@ -272,11 +272,11 @@ func (g *goPackage) IsPluginFor(name string) bool {
 	return false
 }
 
-func (g *goPackage) GenerateBuildActions(ctx blueprint.ModuleContext) {
+func (g *GoPackage) GenerateBuildActions(ctx blueprint.ModuleContext) {
 	// Allow the primary builder to create multiple variants.  Any variants after the first
 	// will copy outputs from the first.
 	if ctx.Module() != ctx.PrimaryModule() {
-		primary := ctx.PrimaryModule().(*goPackage)
+		primary := ctx.PrimaryModule().(*GoPackage)
 		g.pkgRoot = primary.pkgRoot
 		g.archiveFile = primary.archiveFile
 		g.testResultFile = primary.testResultFile
@@ -340,8 +340,36 @@ func (g *goPackage) GenerateBuildActions(ctx blueprint.ModuleContext) {
 		srcs, genSrcs)
 }
 
-// A goBinary is a module for building executable binaries from Go sources.
-type goBinary struct {
+func (g *GoPackage) Srcs() []string {
+	return g.properties.Srcs
+}
+
+func (g *GoPackage) LinuxSrcs() []string {
+	return g.properties.Linux.Srcs
+}
+
+func (g *GoPackage) DarwinSrcs() []string {
+	return g.properties.Darwin.Srcs
+}
+
+func (g *GoPackage) TestSrcs() []string {
+	return g.properties.TestSrcs
+}
+
+func (g *GoPackage) LinuxTestSrcs() []string {
+	return g.properties.Linux.TestSrcs
+}
+
+func (g *GoPackage) DarwinTestSrcs() []string {
+	return g.properties.Darwin.TestSrcs
+}
+
+func (g *GoPackage) Deps() []string {
+	return g.properties.Deps
+}
+
+// A GoBinary is a module for building executable binaries from Go sources.
+type GoBinary struct {
 	blueprint.SimpleName
 	properties struct {
 		Deps           []string
@@ -363,32 +391,60 @@ type goBinary struct {
 	installPath string
 }
 
-var _ GoBinaryTool = (*goBinary)(nil)
+var _ GoBinaryTool = (*GoBinary)(nil)
 
 func newGoBinaryModuleFactory() func() (blueprint.Module, []interface{}) {
 	return func() (blueprint.Module, []interface{}) {
-		module := &goBinary{}
+		module := &GoBinary{}
 		return module, []interface{}{&module.properties, &module.SimpleName.Properties}
 	}
 }
 
-func (g *goBinary) DynamicDependencies(ctx blueprint.DynamicDependerModuleContext) []string {
+func (g *GoBinary) DynamicDependencies(ctx blueprint.DynamicDependerModuleContext) []string {
 	if ctx.Module() != ctx.PrimaryModule() {
 		return nil
 	}
 	return g.properties.Deps
 }
 
-func (g *goBinary) isGoBinary() {}
-func (g *goBinary) InstallPath() string {
+func (g *GoBinary) isGoBinary() {}
+func (g *GoBinary) InstallPath() string {
 	return g.installPath
 }
 
-func (g *goBinary) GenerateBuildActions(ctx blueprint.ModuleContext) {
+func (g *GoBinary) Srcs() []string {
+	return g.properties.Srcs
+}
+
+func (g *GoBinary) LinuxSrcs() []string {
+	return g.properties.Linux.Srcs
+}
+
+func (g *GoBinary) DarwinSrcs() []string {
+	return g.properties.Darwin.Srcs
+}
+
+func (g *GoBinary) TestSrcs() []string {
+	return g.properties.TestSrcs
+}
+
+func (g *GoBinary) LinuxTestSrcs() []string {
+	return g.properties.Linux.TestSrcs
+}
+
+func (g *GoBinary) DarwinTestSrcs() []string {
+	return g.properties.Darwin.TestSrcs
+}
+
+func (g *GoBinary) Deps() []string {
+	return g.properties.Deps
+}
+
+func (g *GoBinary) GenerateBuildActions(ctx blueprint.ModuleContext) {
 	// Allow the primary builder to create multiple variants.  Any variants after the first
 	// will copy outputs from the first.
 	if ctx.Module() != ctx.PrimaryModule() {
-		primary := ctx.PrimaryModule().(*goBinary)
+		primary := ctx.PrimaryModule().(*GoBinary)
 		g.installPath = primary.installPath
 		return
 	}
@@ -619,7 +675,7 @@ func (s *singleton) GenerateBuildActions(ctx blueprint.SingletonContext) {
 	// Find the module that's marked as the "primary builder", which means it's
 	// creating the binary that we'll use to generate the non-bootstrap
 	// build.ninja file.
-	var primaryBuilders []*goBinary
+	var primaryBuilders []*GoBinary
 	// blueprintTools contains blueprint go binaries that will be built in StageMain
 	var blueprintTools []string
 	// blueprintGoPackages contains all blueprint go packages that can be built in StageMain
@@ -627,14 +683,14 @@ func (s *singleton) GenerateBuildActions(ctx blueprint.SingletonContext) {
 	ctx.VisitAllModulesIf(IsBootstrapModule,
 		func(module blueprint.Module) {
 			if ctx.PrimaryModule(module) == module {
-				if binaryModule, ok := module.(*goBinary); ok {
+				if binaryModule, ok := module.(*GoBinary); ok {
 					blueprintTools = append(blueprintTools, binaryModule.InstallPath())
 					if binaryModule.properties.PrimaryBuilder {
 						primaryBuilders = append(primaryBuilders, binaryModule)
 					}
 				}
 
-				if packageModule, ok := module.(*goPackage); ok {
+				if packageModule, ok := module.(*GoPackage); ok {
 					blueprintGoPackages = append(blueprintGoPackages,
 						packageModule.GoPackageTarget())
 					blueprintGoPackages = append(blueprintGoPackages,
diff --git a/bootstrap/writedocs.go b/bootstrap/writedocs.go
index f7314f7..d172f70 100644
--- a/bootstrap/writedocs.go
+++ b/bootstrap/writedocs.go
@@ -16,16 +16,16 @@ func ModuleTypeDocs(ctx *blueprint.Context, factories map[string]reflect.Value)
 	// Find the module that's marked as the "primary builder", which means it's
 	// creating the binary that we'll use to generate the non-bootstrap
 	// build.ninja file.
-	var primaryBuilders []*goBinary
+	var primaryBuilders []*GoBinary
 	ctx.VisitAllModulesIf(isBootstrapBinaryModule,
 		func(module blueprint.Module) {
-			binaryModule := module.(*goBinary)
+			binaryModule := module.(*GoBinary)
 			if binaryModule.properties.PrimaryBuilder {
 				primaryBuilders = append(primaryBuilders, binaryModule)
 			}
 		})
 
-	var primaryBuilder *goBinary
+	var primaryBuilder *GoBinary
 	switch len(primaryBuilders) {
 	case 0:
 		return nil, fmt.Errorf("no primary builder module present")
@@ -40,7 +40,7 @@ func ModuleTypeDocs(ctx *blueprint.Context, factories map[string]reflect.Value)
 	pkgFiles := make(map[string][]string)
 	ctx.VisitDepsDepthFirst(primaryBuilder, func(module blueprint.Module) {
 		switch m := module.(type) {
-		case (*goPackage):
+		case (*GoPackage):
 			pkgFiles[m.properties.PkgPath] = pathtools.PrefixPaths(m.properties.Srcs,
 				filepath.Join(ctx.SrcDir(), ctx.ModuleDir(m)))
 		default: