73 lines
2.2 KiB
Go
73 lines
2.2 KiB
Go
// Copyright 2020 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package rust
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import (
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"github.com/google/blueprint"
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"android/soong/cc"
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)
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var CovLibraryName = "libprofile-extras"
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type coverage struct {
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Properties cc.CoverageProperties
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// Whether binaries containing this module need --coverage added to their ldflags
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linkCoverage bool
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}
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func (cov *coverage) props() []interface{} {
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return []interface{}{&cov.Properties}
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}
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func (cov *coverage) deps(ctx DepsContext, deps Deps) Deps {
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if cov.Properties.NeedCoverageVariant {
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ctx.AddVariationDependencies([]blueprint.Variation{
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{Mutator: "link", Variation: "static"},
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}, cc.CoverageDepTag, CovLibraryName)
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}
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return deps
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}
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func (cov *coverage) flags(ctx ModuleContext, flags Flags, deps PathDeps) (Flags, PathDeps) {
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if !ctx.DeviceConfig().NativeCoverageEnabled() {
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return flags, deps
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}
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if cov.Properties.CoverageEnabled {
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flags.Coverage = true
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coverage := ctx.GetDirectDepWithTag(CovLibraryName, cc.CoverageDepTag).(cc.LinkableInterface)
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flags.RustFlags = append(flags.RustFlags,
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"-Z profile", "-g", "-C opt-level=0", "-C link-dead-code")
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flags.LinkFlags = append(flags.LinkFlags,
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"--coverage", "-g", coverage.OutputFile().Path().String(), "-Wl,--wrap,getenv")
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deps.StaticLibs = append(deps.StaticLibs, coverage.OutputFile().Path())
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}
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return flags, deps
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}
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func (cov *coverage) begin(ctx BaseModuleContext) {
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if ctx.Host() {
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// Host coverage not yet supported.
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} else {
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// Update useSdk and sdkVersion args if Rust modules become SDK aware.
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cov.Properties = cc.SetCoverageProperties(ctx, cov.Properties, ctx.RustModule().nativeCoverage(), false, "")
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}
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}
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