From 7fa0696eb7844517cddd1100f74f73a21a3d7eb6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alex=20M=C3=A1rquez=20P=C3=A9rez=20Mu=C3=B1=C3=ADz=20D?=
 =?UTF-8?q?=C3=ADaz=20P=C3=BAras=20Thaureaux?= <alexmarquez@google.com>
Date: Mon, 25 Oct 2021 10:28:33 -0400
Subject: [PATCH] cc_prebuilt_library_shared converted via bp2build

Bug: b/203699063
Test: bp2build/cc_prebuilt_library_shared_test.go
Test: USE_BAZEL_ANALYSIS=1 m nothing
Test: mixed_{libc,droid}.sh
Change-Id: I4c58224e88c31507a4b285f8c55bdc066bd47232
---
 bp2build/cc_prebuilt_library_shared_test.go | 65 +++++++++++++++++++++
 cc/prebuilt.go                              | 39 +++++++++++++
 2 files changed, 104 insertions(+)
 create mode 100644 bp2build/cc_prebuilt_library_shared_test.go

diff --git a/bp2build/cc_prebuilt_library_shared_test.go b/bp2build/cc_prebuilt_library_shared_test.go
new file mode 100644
index 000000000..97545c886
--- /dev/null
+++ b/bp2build/cc_prebuilt_library_shared_test.go
@@ -0,0 +1,65 @@
+package bp2build
+
+import (
+	"testing"
+
+	"android/soong/cc"
+)
+
+func TestSharedPrebuiltLibrary(t *testing.T) {
+	runBp2BuildTestCaseSimple(t,
+		bp2buildTestCase{
+			description:                        "prebuilt library shared simple",
+			moduleTypeUnderTest:                "cc_prebuilt_library_shared",
+			moduleTypeUnderTestFactory:         cc.PrebuiltSharedLibraryFactory,
+			moduleTypeUnderTestBp2BuildMutator: cc.PrebuiltLibrarySharedBp2Build,
+			filesystem: map[string]string{
+				"libf.so": "",
+			},
+			blueprint: `
+cc_prebuilt_library_shared {
+	name: "libtest",
+	srcs: ["libf.so"],
+	bazel_module: { bp2build_available: true },
+}`,
+			expectedBazelTargets: []string{
+				`prebuilt_library_shared(
+    name = "libtest",
+    shared_library = "libf.so",
+)`,
+			},
+		})
+}
+
+func TestSharedPrebuiltLibraryWithArchVariance(t *testing.T) {
+	runBp2BuildTestCaseSimple(t,
+		bp2buildTestCase{
+			description:                        "prebuilt library shared with arch variance",
+			moduleTypeUnderTest:                "cc_prebuilt_library_shared",
+			moduleTypeUnderTestFactory:         cc.PrebuiltSharedLibraryFactory,
+			moduleTypeUnderTestBp2BuildMutator: cc.PrebuiltLibrarySharedBp2Build,
+			filesystem: map[string]string{
+				"libf.so": "",
+				"libg.so": "",
+			},
+			blueprint: `
+cc_prebuilt_library_shared {
+	name: "libtest",
+	arch: {
+		arm64: { srcs: ["libf.so"], },
+		arm: { srcs: ["libg.so"], },
+	},
+	bazel_module: { bp2build_available: true },
+}`,
+			expectedBazelTargets: []string{
+				`prebuilt_library_shared(
+    name = "libtest",
+    shared_library = select({
+        "//build/bazel/platforms/arch:arm": "libg.so",
+        "//build/bazel/platforms/arch:arm64": "libf.so",
+        "//conditions:default": None,
+    }),
+)`,
+			},
+		})
+}
diff --git a/cc/prebuilt.go b/cc/prebuilt.go
index 4a2c451f5..3401e3658 100644
--- a/cc/prebuilt.go
+++ b/cc/prebuilt.go
@@ -18,6 +18,7 @@ import (
 	"path/filepath"
 
 	"android/soong/android"
+	"android/soong/bazel"
 )
 
 func init() {
@@ -31,6 +32,8 @@ func RegisterPrebuiltBuildComponents(ctx android.RegistrationContext) {
 	ctx.RegisterModuleType("cc_prebuilt_test_library_shared", PrebuiltSharedTestLibraryFactory)
 	ctx.RegisterModuleType("cc_prebuilt_object", prebuiltObjectFactory)
 	ctx.RegisterModuleType("cc_prebuilt_binary", prebuiltBinaryFactory)
+
+	android.RegisterBp2BuildMutator("cc_prebuilt_library_shared", PrebuiltLibrarySharedBp2Build)
 }
 
 type prebuiltLinkerInterface interface {
@@ -309,6 +312,42 @@ func NewPrebuiltStaticLibrary(hod android.HostOrDeviceSupported) (*Module, *libr
 	return module, library
 }
 
+type bazelPrebuiltLibrarySharedAttributes struct {
+	Shared_library bazel.LabelAttribute
+}
+
+func PrebuiltLibrarySharedBp2Build(ctx android.TopDownMutatorContext) {
+	module, ok := ctx.Module().(*Module)
+	if !ok {
+		// Not a cc module
+		return
+	}
+	if !module.ConvertWithBp2build(ctx) {
+		return
+	}
+	if ctx.ModuleType() != "cc_prebuilt_library_shared" {
+		return
+	}
+
+	prebuiltLibrarySharedBp2BuildInternal(ctx, module)
+}
+
+func prebuiltLibrarySharedBp2BuildInternal(ctx android.TopDownMutatorContext, module *Module) {
+	prebuiltAttrs := Bp2BuildParsePrebuiltLibraryProps(ctx, module)
+
+	attrs := &bazelPrebuiltLibrarySharedAttributes{
+		Shared_library: prebuiltAttrs.Src,
+	}
+
+	props := bazel.BazelTargetModuleProperties{
+		Rule_class:        "prebuilt_library_shared",
+		Bzl_load_location: "//build/bazel/rules:prebuilt_library_shared.bzl",
+	}
+
+	name := android.RemoveOptionalPrebuiltPrefix(module.Name())
+	ctx.CreateBazelTargetModule(props, android.CommonAttributes{Name: name}, attrs)
+}
+
 type prebuiltObjectProperties struct {
 	Srcs []string `android:"path,arch_variant"`
 }