1// Copyright 2017 Google Inc. All rights reserved.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15package cc
16
17import (
18	"strings"
19
20	"android/soong/android"
21)
22
23const (
24	llndkLibrariesTxt       = "llndk.libraries.txt"
25	vndkCoreLibrariesTxt    = "vndkcore.libraries.txt"
26	vndkSpLibrariesTxt      = "vndksp.libraries.txt"
27	vndkPrivateLibrariesTxt = "vndkprivate.libraries.txt"
28	vndkProductLibrariesTxt = "vndkproduct.libraries.txt"
29)
30
31func VndkLibrariesTxtModules(vndkVersion string, ctx android.BaseModuleContext) []string {
32	// Snapshot vndks have their own *.libraries.VER.txt files.
33	// Note that snapshots don't have "vndkcorevariant.libraries.VER.txt"
34	result := []string{
35		insertVndkVersion(vndkCoreLibrariesTxt, vndkVersion),
36		insertVndkVersion(vndkSpLibrariesTxt, vndkVersion),
37		insertVndkVersion(vndkPrivateLibrariesTxt, vndkVersion),
38		insertVndkVersion(vndkProductLibrariesTxt, vndkVersion),
39		insertVndkVersion(llndkLibrariesTxt, vndkVersion),
40	}
41
42	return result
43}
44
45type VndkProperties struct {
46	Vndk struct {
47		// declared as a VNDK or VNDK-SP module. The vendor variant
48		// will be installed in /system instead of /vendor partition.
49		//
50		// `vendor_available` and `product_available` must be explicitly
51		// set to either true or false together with `vndk: {enabled: true}`.
52		Enabled *bool
53
54		// declared as a VNDK-SP module, which is a subset of VNDK.
55		//
56		// `vndk: { enabled: true }` must set together.
57		//
58		// All these modules are allowed to link to VNDK-SP or LL-NDK
59		// modules only. Other dependency will cause link-type errors.
60		//
61		// If `support_system_process` is not set or set to false,
62		// the module is VNDK-core and can link to other VNDK-core,
63		// VNDK-SP or LL-NDK modules only.
64		Support_system_process *bool
65
66		// declared as a VNDK-private module.
67		// This module still creates the vendor and product variants refering
68		// to the `vendor_available: true` and `product_available: true`
69		// properties. However, it is only available to the other VNDK modules
70		// but not to the non-VNDK vendor or product modules.
71		Private *bool
72
73		// Extending another module
74		Extends *string
75	}
76}
77
78func insertVndkVersion(filename string, vndkVersion string) string {
79	if index := strings.LastIndex(filename, "."); index != -1 {
80		return filename[:index] + "." + vndkVersion + filename[index:]
81	}
82	return filename
83}
84