Merge "bp2build: Add support for cc_binary."

This commit is contained in:
Liz Kammer
2021-10-20 14:02:39 +00:00
committed by Gerrit Code Review
4 changed files with 607 additions and 9 deletions

View File

@@ -20,6 +20,7 @@ import (
"github.com/google/blueprint"
"android/soong/android"
"android/soong/bazel"
)
type BinaryLinkerProperties struct {
@@ -62,7 +63,7 @@ func init() {
func RegisterBinaryBuildComponents(ctx android.RegistrationContext) {
ctx.RegisterModuleType("cc_binary", BinaryFactory)
ctx.RegisterModuleType("cc_binary_host", binaryHostFactory)
ctx.RegisterModuleType("cc_binary_host", BinaryHostFactory)
}
// cc_binary produces a binary that is runnable on a device.
@@ -72,7 +73,7 @@ func BinaryFactory() android.Module {
}
// cc_binary_host produces a binary that is runnable on a host.
func binaryHostFactory() android.Module {
func BinaryHostFactory() android.Module {
module, _ := NewBinary(android.HostSupported)
return module.Init()
}
@@ -541,3 +542,125 @@ func (binary *binaryDecorator) verifyHostBionicLinker(ctx ModuleContext, in, lin
},
})
}
func init() {
android.RegisterBp2BuildMutator("cc_binary", BinaryBp2build)
android.RegisterBp2BuildMutator("cc_binary_host", BinaryHostBp2build)
}
func BinaryBp2build(ctx android.TopDownMutatorContext) {
binaryBp2build(ctx, "cc_binary")
}
func BinaryHostBp2build(ctx android.TopDownMutatorContext) {
binaryBp2build(ctx, "cc_binary_host")
}
func binaryBp2build(ctx android.TopDownMutatorContext, typ string) {
m, ok := ctx.Module().(*Module)
if !ok {
// Not a cc module
return
}
if !m.ConvertWithBp2build(ctx) {
return
}
if ctx.ModuleType() != typ {
return
}
var compatibleWith bazel.StringListAttribute
if typ == "cc_binary_host" {
//incompatible with android OS
compatibleWith.SetSelectValue(bazel.OsConfigurationAxis, android.Android.Name, []string{"@platforms//:incompatible"})
compatibleWith.SetSelectValue(bazel.OsConfigurationAxis, bazel.ConditionsDefaultConfigKey, []string{})
}
compilerAttrs := bp2BuildParseCompilerProps(ctx, m)
linkerAttrs := bp2BuildParseLinkerProps(ctx, m)
attrs := &binaryAttributes{
binaryLinkerAttrs: bp2buildBinaryLinkerProps(ctx, m),
Srcs: compilerAttrs.srcs,
Srcs_c: compilerAttrs.cSrcs,
Srcs_as: compilerAttrs.asSrcs,
Copts: compilerAttrs.copts,
Cppflags: compilerAttrs.cppFlags,
Conlyflags: compilerAttrs.conlyFlags,
Asflags: compilerAttrs.asFlags,
Deps: linkerAttrs.implementationDeps,
Dynamic_deps: linkerAttrs.implementationDynamicDeps,
Whole_archive_deps: linkerAttrs.wholeArchiveDeps,
System_deps: linkerAttrs.systemDynamicDeps,
Local_includes: compilerAttrs.localIncludes,
Absolute_includes: compilerAttrs.absoluteIncludes,
Linkopts: linkerAttrs.linkopts,
Link_crt: linkerAttrs.linkCrt,
Use_libcrt: linkerAttrs.useLibcrt,
Rtti: compilerAttrs.rtti,
Stl: compilerAttrs.stl,
Cpp_std: compilerAttrs.cppStd,
Additional_linker_inputs: linkerAttrs.additionalLinkerInputs,
Strip: stripAttributes{
Keep_symbols: linkerAttrs.stripKeepSymbols,
Keep_symbols_and_debug_frame: linkerAttrs.stripKeepSymbolsAndDebugFrame,
Keep_symbols_list: linkerAttrs.stripKeepSymbolsList,
All: linkerAttrs.stripAll,
None: linkerAttrs.stripNone,
},
Target_compatible_with: compatibleWith,
Features: linkerAttrs.features,
}
ctx.CreateBazelTargetModule(bazel.BazelTargetModuleProperties{
Rule_class: "cc_binary",
Bzl_load_location: "//build/bazel/rules:cc_binary.bzl",
},
android.CommonAttributes{Name: m.Name()},
attrs)
}
// binaryAttributes contains Bazel attributes corresponding to a cc binary
type binaryAttributes struct {
binaryLinkerAttrs
Srcs bazel.LabelListAttribute
Srcs_c bazel.LabelListAttribute
Srcs_as bazel.LabelListAttribute
Copts bazel.StringListAttribute
Cppflags bazel.StringListAttribute
Conlyflags bazel.StringListAttribute
Asflags bazel.StringListAttribute
Deps bazel.LabelListAttribute
Dynamic_deps bazel.LabelListAttribute
Whole_archive_deps bazel.LabelListAttribute
System_deps bazel.LabelListAttribute
Local_includes bazel.StringListAttribute
Absolute_includes bazel.StringListAttribute
Linkopts bazel.StringListAttribute
Additional_linker_inputs bazel.LabelListAttribute
Link_crt bazel.BoolAttribute
Use_libcrt bazel.BoolAttribute
Rtti bazel.BoolAttribute
Stl *string
Cpp_std *string
Strip stripAttributes
Features bazel.StringListAttribute
Target_compatible_with bazel.StringListAttribute
}

View File

@@ -117,7 +117,13 @@ type depsPartition struct {
type bazelLabelForDepsFn func(android.TopDownMutatorContext, []string) bazel.LabelList
func partitionExportedAndImplementationsDeps(ctx android.TopDownMutatorContext, allDeps, exportedDeps []string, fn bazelLabelForDepsFn) depsPartition {
func maybePartitionExportedAndImplementationsDeps(ctx android.TopDownMutatorContext, exportsDeps bool, allDeps, exportedDeps []string, fn bazelLabelForDepsFn) depsPartition {
if !exportsDeps {
return depsPartition{
implementation: fn(ctx, allDeps),
}
}
implementation, export := android.FilterList(allDeps, exportedDeps)
return depsPartition{
@@ -128,7 +134,12 @@ func partitionExportedAndImplementationsDeps(ctx android.TopDownMutatorContext,
type bazelLabelForDepsExcludesFn func(android.TopDownMutatorContext, []string, []string) bazel.LabelList
func partitionExportedAndImplementationsDepsExcludes(ctx android.TopDownMutatorContext, allDeps, excludes, exportedDeps []string, fn bazelLabelForDepsExcludesFn) depsPartition {
func maybePartitionExportedAndImplementationsDepsExcludes(ctx android.TopDownMutatorContext, exportsDeps bool, allDeps, excludes, exportedDeps []string, fn bazelLabelForDepsExcludesFn) depsPartition {
if !exportsDeps {
return depsPartition{
implementation: fn(ctx, allDeps, excludes),
}
}
implementation, export := android.FilterList(allDeps, exportedDeps)
return depsPartition{
@@ -145,11 +156,11 @@ func bp2buildParseStaticOrSharedProps(ctx android.TopDownMutatorContext, module
attrs.Srcs.SetSelectValue(axis, config, android.BazelLabelForModuleSrc(ctx, props.Srcs))
attrs.System_dynamic_deps.SetSelectValue(axis, config, bazelLabelForSharedDeps(ctx, props.System_shared_libs))
staticDeps := partitionExportedAndImplementationsDeps(ctx, props.Static_libs, props.Export_static_lib_headers, bazelLabelForStaticDeps)
staticDeps := maybePartitionExportedAndImplementationsDeps(ctx, true, props.Static_libs, props.Export_static_lib_headers, bazelLabelForStaticDeps)
attrs.Deps.SetSelectValue(axis, config, staticDeps.export)
attrs.Implementation_deps.SetSelectValue(axis, config, staticDeps.implementation)
sharedDeps := partitionExportedAndImplementationsDeps(ctx, props.Shared_libs, props.Export_shared_lib_headers, bazelLabelForSharedDeps)
sharedDeps := maybePartitionExportedAndImplementationsDeps(ctx, true, props.Shared_libs, props.Export_shared_lib_headers, bazelLabelForSharedDeps)
attrs.Dynamic_deps.SetSelectValue(axis, config, sharedDeps.export)
attrs.Implementation_dynamic_deps.SetSelectValue(axis, config, sharedDeps.implementation)
@@ -465,6 +476,7 @@ func bp2BuildParseLinkerProps(ctx android.TopDownMutatorContext, module *Module)
// Use a single variable to capture usage of nocrt in arch variants, so there's only 1 error message for this module
var disallowedArchVariantCrt bool
isBinary := module.Binary()
for axis, configToProps := range module.GetArchVariantProperties(ctx, &BaseLinkerProperties{}) {
for config, props := range configToProps {
@@ -474,7 +486,7 @@ func bp2BuildParseLinkerProps(ctx android.TopDownMutatorContext, module *Module)
// Excludes to parallel Soong:
// https://cs.android.com/android/platform/superproject/+/master:build/soong/cc/linker.go;l=247-249;drc=088b53577dde6e40085ffd737a1ae96ad82fc4b0
staticLibs := android.FirstUniqueStrings(baseLinkerProps.Static_libs)
staticDeps := partitionExportedAndImplementationsDepsExcludes(ctx, staticLibs, baseLinkerProps.Exclude_static_libs, baseLinkerProps.Export_static_lib_headers, bazelLabelForStaticDepsExcludes)
staticDeps := maybePartitionExportedAndImplementationsDepsExcludes(ctx, !isBinary, staticLibs, baseLinkerProps.Exclude_static_libs, baseLinkerProps.Export_static_lib_headers, bazelLabelForStaticDepsExcludes)
deps.SetSelectValue(axis, config, staticDeps.export)
implementationDeps.SetSelectValue(axis, config, staticDeps.implementation)
@@ -491,12 +503,12 @@ func bp2BuildParseLinkerProps(ctx android.TopDownMutatorContext, module *Module)
systemSharedDeps.SetSelectValue(axis, config, bazelLabelForSharedDeps(ctx, systemSharedLibs))
sharedLibs := android.FirstUniqueStrings(baseLinkerProps.Shared_libs)
sharedDeps := partitionExportedAndImplementationsDepsExcludes(ctx, sharedLibs, baseLinkerProps.Exclude_shared_libs, baseLinkerProps.Export_shared_lib_headers, bazelLabelForSharedDepsExcludes)
sharedDeps := maybePartitionExportedAndImplementationsDepsExcludes(ctx, !isBinary, sharedLibs, baseLinkerProps.Exclude_shared_libs, baseLinkerProps.Export_shared_lib_headers, bazelLabelForSharedDepsExcludes)
dynamicDeps.SetSelectValue(axis, config, sharedDeps.export)
implementationDynamicDeps.SetSelectValue(axis, config, sharedDeps.implementation)
headerLibs := android.FirstUniqueStrings(baseLinkerProps.Header_libs)
hDeps := partitionExportedAndImplementationsDeps(ctx, headerLibs, baseLinkerProps.Export_header_lib_headers, bazelLabelForHeaderDeps)
hDeps := maybePartitionExportedAndImplementationsDeps(ctx, !isBinary, headerLibs, baseLinkerProps.Export_header_lib_headers, bazelLabelForHeaderDeps)
headerDeps.SetSelectValue(axis, config, hDeps.export)
implementationHeaderDeps.SetSelectValue(axis, config, hDeps.implementation)
@@ -512,6 +524,10 @@ func bp2BuildParseLinkerProps(ctx android.TopDownMutatorContext, module *Module)
var linkerFlags []string
if len(baseLinkerProps.Ldflags) > 0 {
linkerFlags = append(linkerFlags, baseLinkerProps.Ldflags...)
// binaries remove static flag if -shared is in the linker flags
if module.Binary() && android.InList("-shared", linkerFlags) {
axisFeatures = append(axisFeatures, "-static_flag")
}
}
if baseLinkerProps.Version_script != nil {
label := android.BazelLabelForModuleSrcSingle(ctx, *baseLinkerProps.Version_script)
@@ -746,3 +762,29 @@ func bazelLabelForHeaderDeps(ctx android.TopDownMutatorContext, modules []string
func bazelLabelForSharedDepsExcludes(ctx android.TopDownMutatorContext, modules, excludes []string) bazel.LabelList {
return android.BazelLabelForModuleDepsExcludesWithFn(ctx, modules, excludes, bazelLabelForSharedModule)
}
type binaryLinkerAttrs struct {
Linkshared *bool
}
func bp2buildBinaryLinkerProps(ctx android.TopDownMutatorContext, m *Module) binaryLinkerAttrs {
attrs := binaryLinkerAttrs{}
archVariantProps := m.GetArchVariantProperties(ctx, &BinaryLinkerProperties{})
for axis, configToProps := range archVariantProps {
for _, p := range configToProps {
props := p.(*BinaryLinkerProperties)
staticExecutable := props.Static_executable
if axis == bazel.NoConfigAxis {
if linkBinaryShared := !proptools.Bool(staticExecutable); !linkBinaryShared {
attrs.Linkshared = &linkBinaryShared
}
} else if staticExecutable != nil {
// TODO(b/202876379): Static_executable is arch-variant; however, linkshared is a
// nonconfigurable attribute. Only 4 AOSP modules use this feature, defer handling
ctx.ModuleErrorf("bp2build cannot migrate a module with arch/target-specific static_executable values")
}
}
}
return attrs
}