1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
// Copyright 2016 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cc
import (
"fmt"
"strings"
"github.com/google/blueprint"
"android/soong/android"
"android/soong/cc/config"
)
func init() {
android.RegisterModuleType("ndk_prebuilt_library", ndkPrebuiltLibraryFactory)
android.RegisterModuleType("ndk_prebuilt_object", ndkPrebuiltObjectFactory)
android.RegisterModuleType("ndk_prebuilt_static_stl", ndkPrebuiltStaticStlFactory)
android.RegisterModuleType("ndk_prebuilt_shared_stl", ndkPrebuiltSharedStlFactory)
}
// NDK prebuilt libraries.
//
// These differ from regular prebuilts in that they aren't stripped and usually aren't installed
// either (with the exception of the shared STLs, which are installed to the app's directory rather
// than to the system image).
func getNdkLibDir(ctx android.ModuleContext, toolchain config.Toolchain, version string) android.SourcePath {
suffix := ""
// Most 64-bit NDK prebuilts store libraries in "lib64", except for arm64 which is not a
// multilib toolchain and stores the libraries in "lib".
if toolchain.Is64Bit() && ctx.Arch().ArchType != android.Arm64 {
suffix = "64"
}
return android.PathForSource(ctx, fmt.Sprintf("prebuilts/ndk/current/platforms/android-%s/arch-%s/usr/lib%s",
version, toolchain.Name(), suffix))
}
func ndkPrebuiltModuleToPath(ctx android.ModuleContext, toolchain config.Toolchain,
ext string, version string) android.Path {
// NDK prebuilts are named like: ndk_NAME.EXT.SDK_VERSION.
// We want to translate to just NAME.EXT
name := strings.Split(strings.TrimPrefix(ctx.ModuleName(), "ndk_"), ".")[0]
dir := getNdkLibDir(ctx, toolchain, version)
return dir.Join(ctx, name+ext)
}
type ndkPrebuiltObjectLinker struct {
objectLinker
}
func (*ndkPrebuiltObjectLinker) linkerDeps(ctx BaseModuleContext, deps Deps) Deps {
// NDK objects can't have any dependencies
return deps
}
func ndkPrebuiltObjectFactory() (blueprint.Module, []interface{}) {
module := newBaseModule(android.DeviceSupported, android.MultilibBoth)
module.linker = &ndkPrebuiltObjectLinker{
objectLinker: objectLinker{
baseLinker: NewBaseLinker(),
},
}
module.Properties.HideFromMake = true
return module.Init()
}
func (c *ndkPrebuiltObjectLinker) link(ctx ModuleContext, flags Flags,
deps PathDeps, objFiles android.Paths) android.Path {
// A null build step, but it sets up the output path.
if !strings.HasPrefix(ctx.ModuleName(), "ndk_crt") {
ctx.ModuleErrorf("NDK prebuilts must have an ndk_crt prefixed name")
}
return ndkPrebuiltModuleToPath(ctx, flags.Toolchain, objectExtension, ctx.sdkVersion())
}
type ndkPrebuiltLibraryLinker struct {
*libraryDecorator
}
func (ndk *ndkPrebuiltLibraryLinker) linkerProps() []interface{} {
return append(ndk.libraryDecorator.linkerProps(), &ndk.Properties, &ndk.flagExporter.Properties)
}
func (*ndkPrebuiltLibraryLinker) linkerDeps(ctx BaseModuleContext, deps Deps) Deps {
// NDK libraries can't have any dependencies
return deps
}
func ndkPrebuiltLibraryFactory() (blueprint.Module, []interface{}) {
module, library := NewLibrary(android.DeviceSupported, true, false)
linker := &ndkPrebuiltLibraryLinker{
libraryDecorator: library,
}
module.compiler = nil
module.linker = linker
module.installer = nil
module.stl = nil
module.Properties.HideFromMake = true
return module.Init()
}
func (ndk *ndkPrebuiltLibraryLinker) link(ctx ModuleContext, flags Flags,
deps PathDeps, objFiles android.Paths) android.Path {
// A null build step, but it sets up the output path.
ndk.exportIncludes(ctx, "-isystem")
return ndkPrebuiltModuleToPath(ctx, flags.Toolchain, flags.Toolchain.ShlibSuffix(),
ctx.sdkVersion())
}
// The NDK STLs are slightly different from the prebuilt system libraries:
// * Are not specific to each platform version.
// * The libraries are not in a predictable location for each STL.
type ndkPrebuiltStlLinker struct {
ndkPrebuiltLibraryLinker
}
func ndkPrebuiltSharedStlFactory() (blueprint.Module, []interface{}) {
module, library := NewLibrary(android.DeviceSupported, true, false)
linker := &ndkPrebuiltStlLinker{
ndkPrebuiltLibraryLinker: ndkPrebuiltLibraryLinker{
libraryDecorator: library,
},
}
module.compiler = nil
module.linker = linker
module.installer = nil
module.Properties.HideFromMake = true
return module.Init()
}
func ndkPrebuiltStaticStlFactory() (blueprint.Module, []interface{}) {
module, library := NewLibrary(android.DeviceSupported, false, true)
linker := &ndkPrebuiltStlLinker{
ndkPrebuiltLibraryLinker: ndkPrebuiltLibraryLinker{
libraryDecorator: library,
},
}
module.compiler = nil
module.linker = linker
module.installer = nil
module.Properties.HideFromMake = true
return module.Init()
}
func getNdkStlLibDir(ctx android.ModuleContext, toolchain config.Toolchain, stl string) android.SourcePath {
gccVersion := toolchain.GccVersion()
var libDir string
switch stl {
case "libstlport":
libDir = "cxx-stl/stlport/libs"
case "libc++":
libDir = "cxx-stl/llvm-libc++/libs"
case "libgnustl":
libDir = fmt.Sprintf("cxx-stl/gnu-libstdc++/%s/libs", gccVersion)
}
if libDir != "" {
ndkSrcRoot := "prebuilts/ndk/current/sources"
return android.PathForSource(ctx, ndkSrcRoot).Join(ctx, libDir, ctx.Arch().Abi[0])
}
ctx.ModuleErrorf("Unknown NDK STL: %s", stl)
return android.PathForSource(ctx, "")
}
func (ndk *ndkPrebuiltStlLinker) link(ctx ModuleContext, flags Flags,
deps PathDeps, objFiles android.Paths) android.Path {
// A null build step, but it sets up the output path.
if !strings.HasPrefix(ctx.ModuleName(), "ndk_lib") {
ctx.ModuleErrorf("NDK prebuilts must have an ndk_lib prefixed name")
}
ndk.exportIncludes(ctx, "-I")
libName := strings.TrimPrefix(ctx.ModuleName(), "ndk_")
libExt := flags.Toolchain.ShlibSuffix()
if ndk.Properties.BuildStatic {
libExt = staticLibraryExtension
}
stlName := strings.TrimSuffix(libName, "_shared")
stlName = strings.TrimSuffix(stlName, "_static")
libDir := getNdkStlLibDir(ctx, flags.Toolchain, stlName)
return libDir.Join(ctx, libName+libExt)
}
|
