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Create a bp2build converter for ndk_prebuilt_*_stl

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This module type will be converted to a cc_prebuilt_* bazel target. It
will provide
1. a prebuilt (.a/.so) file
2. headers (as -isystem)

Test: added a bp2build unit test
Bug: 298088835
Change-Id: Ib58cc7f6fde8f4ca34516f6f18a4c048a02a049a
This commit is contained in:
Spandan Das 2023-09-12 21:42:31 +00:00
parent 6e332d2266
commit e12d252e22
3 changed files with 157 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

50
bp2build/cc_prebuilt_library_conversion_test.go
View file

@ -17,6 +17,7 @@ import (
"fmt"
"testing"
"android/soong/android"
"android/soong/cc"
)
@ -360,3 +361,52 @@ cc_prebuilt_library {
},
})
}
func TestPrebuiltNdkStlConversion(t *testing.T) {
registerNdkStlModuleTypes := func(ctx android.RegistrationContext) {
ctx.RegisterModuleType("ndk_prebuilt_static_stl", cc.NdkPrebuiltStaticStlFactory)
ctx.RegisterModuleType("ndk_prebuilt_shared_stl", cc.NdkPrebuiltSharedStlFactory)
}
RunBp2BuildTestCase(t, registerNdkStlModuleTypes, Bp2buildTestCase{
Description: "TODO",
Blueprint: `
ndk_prebuilt_static_stl {
name: "ndk_libfoo_static",
export_include_dirs: ["dir1", "dir2"],
}
ndk_prebuilt_shared_stl {
name: "ndk_libfoo_shared",
export_include_dirs: ["dir1", "dir2"],
}`,
ExpectedBazelTargets: []string{
MakeBazelTarget("cc_prebuilt_library_static", "ndk_libfoo_static", AttrNameToString{
"static_library": `select({
"//build/bazel/platforms/os_arch:android_arm": "current/sources/cxx-stl/llvm-libc++/libs/armeabi-v7a/libfoo_static.a",
"//build/bazel/platforms/os_arch:android_arm64": "current/sources/cxx-stl/llvm-libc++/libs/arm64-v8a/libfoo_static.a",
"//build/bazel/platforms/os_arch:android_riscv64": "current/sources/cxx-stl/llvm-libc++/libs/riscv64/libfoo_static.a",
"//build/bazel/platforms/os_arch:android_x86": "current/sources/cxx-stl/llvm-libc++/libs/x86/libfoo_static.a",
"//build/bazel/platforms/os_arch:android_x86_64": "current/sources/cxx-stl/llvm-libc++/libs/x86_64/libfoo_static.a",
"//conditions:default": None,
})`,
"export_system_includes": `[
"dir1",
"dir2",
]`,
}),
MakeBazelTarget("cc_prebuilt_library_shared", "ndk_libfoo_shared", AttrNameToString{
"shared_library": `select({
"//build/bazel/platforms/os_arch:android_arm": "current/sources/cxx-stl/llvm-libc++/libs/armeabi-v7a/libfoo_shared.so",
"//build/bazel/platforms/os_arch:android_arm64": "current/sources/cxx-stl/llvm-libc++/libs/arm64-v8a/libfoo_shared.so",
"//build/bazel/platforms/os_arch:android_riscv64": "current/sources/cxx-stl/llvm-libc++/libs/riscv64/libfoo_shared.so",
"//build/bazel/platforms/os_arch:android_x86": "current/sources/cxx-stl/llvm-libc++/libs/x86/libfoo_shared.so",
"//build/bazel/platforms/os_arch:android_x86_64": "current/sources/cxx-stl/llvm-libc++/libs/x86_64/libfoo_shared.so",
"//conditions:default": None,
})`,
"export_system_includes": `[
"dir1",
"dir2",
]`,
}),
},
})
}

35
cc/cc.go
View file

@ -879,16 +879,16 @@ type Module struct {
installer installer
bazelHandler BazelHandler
features []feature
stl *stl
sanitize *sanitize
coverage *coverage
fuzzer *fuzzer
sabi *sabi
vndkdep *vndkdep
lto *lto
afdo *afdo
pgo *pgo
features []feature
stl *stl
sanitize *sanitize
coverage *coverage
fuzzer *fuzzer
sabi *sabi
vndkdep *vndkdep
lto *lto
afdo *afdo
pgo *pgo
orderfile *orderfile
library libraryInterface
@ -1104,6 +1104,16 @@ func (c *Module) CcLibraryInterface() bool {
return false
}
func (c *Module) IsNdkPrebuiltStl() bool {
if c.linker == nil {
return false
}
if _, ok := c.linker.(*ndkPrebuiltStlLinker); ok {
return true
}
return false
}
func (c *Module) RlibStd() bool {
panic(fmt.Errorf("RlibStd called on non-Rust module: %q", c.BaseModuleName()))
}
@ -4158,6 +4168,7 @@ const (
headerLibrary
testBin // testBinary already declared
ndkLibrary
ndkPrebuiltStl
)
func (c *Module) typ() moduleType {
@ -4196,6 +4207,8 @@ func (c *Module) typ() moduleType {
return sharedLibrary
} else if c.isNDKStubLibrary() {
return ndkLibrary
} else if c.IsNdkPrebuiltStl() {
return ndkPrebuiltStl
}
return unknownType
}
@ -4240,6 +4253,8 @@ func (c *Module) ConvertWithBp2build(ctx android.TopDownMutatorContext) {
} else {
sharedOrStaticLibraryBp2Build(ctx, c, false)
}
case ndkPrebuiltStl:
ndkPrebuiltStlBp2build(ctx, c)
default:
ctx.MarkBp2buildUnconvertible(bp2build_metrics_proto.UnconvertedReasonType_TYPE_UNSUPPORTED, "")
}

82
cc/ndk_prebuilt.go
View file

@ -15,9 +15,11 @@
package cc
import (
"path/filepath"
"strings"
"android/soong/android"
"android/soong/bazel"
)
func init() {
@ -64,6 +66,7 @@ func NdkPrebuiltSharedStlFactory() android.Module {
module.Properties.Sdk_version = StringPtr("minimum")
module.Properties.AlwaysSdk = true
module.stl.Properties.Stl = StringPtr("none")
module.bazelable = true
return module.Init()
}
@ -84,6 +87,7 @@ func NdkPrebuiltStaticStlFactory() android.Module {
module.Properties.AlwaysSdk = true
module.Properties.Sdk_version = StringPtr("current")
module.stl.Properties.Stl = StringPtr("none")
module.bazelable = true
return module.Init()
}
@ -131,3 +135,81 @@ func (ndk *ndkPrebuiltStlLinker) link(ctx ModuleContext, flags Flags,
return lib
}
var (
archToAbiDirMap = map[string]string{
"android_arm": "armeabi-v7a",
"android_arm64": "arm64-v8a",
"android_riscv64": "riscv64",
"android_x86": "x86",
"android_x86_64": "x86_64",
}
)
// stlSrcBp2build returns a bazel label for the checked-in .so/.a file
// It contains a select statement for each ABI
func stlSrcBp2build(ctx android.TopDownMutatorContext, c *Module) bazel.LabelAttribute {
libName := strings.TrimPrefix(c.Name(), "ndk_")
libExt := ".so" // TODO - b/201079053: Support windows
if ctx.ModuleType() == "ndk_prebuilt_static_stl" {
libExt = ".a"
}
src := bazel.LabelAttribute{}
for arch, abiDir := range archToAbiDirMap {
srcPath := filepath.Join(libDir, abiDir, libName+libExt)
src.SetSelectValue(
bazel.OsArchConfigurationAxis,
arch,
android.BazelLabelForModuleSrcSingle(ctx, srcPath),
)
}
return src
}
// stlIncludesBp2build returns the includes exported by the STL
func stlIncludesBp2build(c *Module) bazel.StringListAttribute {
linker, _ := c.linker.(*ndkPrebuiltStlLinker)
includeDirs := append(
[]string{},
linker.libraryDecorator.flagExporter.Properties.Export_include_dirs...,
)
includeDirs = append(
includeDirs,
linker.libraryDecorator.flagExporter.Properties.Export_system_include_dirs...,
)
return bazel.MakeStringListAttribute(android.FirstUniqueStrings(includeDirs))
}
func ndkPrebuiltStlBp2build(ctx android.TopDownMutatorContext, c *Module) {
if ctx.ModuleType() == "ndk_prebuilt_static_stl" {
ndkPrebuiltStaticStlBp2build(ctx, c)
} else {
ndkPrebuiltSharedStlBp2build(ctx, c)
}
}
func ndkPrebuiltStaticStlBp2build(ctx android.TopDownMutatorContext, c *Module) {
props := bazel.BazelTargetModuleProperties{
Rule_class: "cc_prebuilt_library_static",
Bzl_load_location: "//build/bazel/rules/cc:cc_prebuilt_library_static.bzl",
}
attrs := &bazelPrebuiltLibraryStaticAttributes{
Static_library: stlSrcBp2build(ctx, c),
Export_system_includes: stlIncludesBp2build(c), // The exports are always as system
}
// TODO: min_sdk_version
ctx.CreateBazelTargetModule(props, android.CommonAttributes{Name: c.Name()}, attrs)
}
func ndkPrebuiltSharedStlBp2build(ctx android.TopDownMutatorContext, c *Module) {
props := bazel.BazelTargetModuleProperties{
Rule_class: "cc_prebuilt_library_shared",
Bzl_load_location: "//build/bazel/rules/cc:cc_prebuilt_library_shared.bzl",
}
attrs := &bazelPrebuiltLibrarySharedAttributes{
Shared_library: stlSrcBp2build(ctx, c),
Export_system_includes: stlIncludesBp2build(c), // The exports are always as system
}
// TODO: min_sdk_version
ctx.CreateBazelTargetModule(props, android.CommonAttributes{Name: c.Name()}, attrs)
}