StrixOS/build_soong
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Memory mapped coverage (take 2)

Browse Source 
Add a build variable, CLANG_COVERAGE_CONTINUOUS_MODE, instead of
selecting based on paths.

Test: CLANG_COVERAGE_CONTINUOUS_MODE=true m and verify continuous mode works

Change-Id: I731172fc1f00e1cabff8efcf8b99f9a48210b446
This commit is contained in:
Pirama Arumuga Nainar
2022-01-26 22:14:32 -08:00
parent 7010c53c50
commit b37ae58a3d
4 changed files with 24 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
cc/coverage.go
View File

@@ -77,6 +77,10 @@ func (cov *coverage) deps(ctx DepsContext, deps Deps) Deps {
return deps
}
func EnableContinuousCoverage(ctx android.BaseModuleContext) bool {
return ctx.DeviceConfig().ClangCoverageContinuousMode()
}
func (cov *coverage) flags(ctx ModuleContext, flags Flags, deps PathDeps) (Flags, PathDeps) {
clangCoverage := ctx.DeviceConfig().ClangCoverageEnabled()
gcovCoverage := ctx.DeviceConfig().GcovCoverageEnabled()
@@ -101,6 +105,9 @@ func (cov *coverage) flags(ctx ModuleContext, flags Flags, deps PathDeps) (Flags
// Override -Wframe-larger-than. We can expect frame size increase after
// coverage instrumentation.
flags.Local.CFlags = append(flags.Local.CFlags, "-Wno-frame-larger-than=")
if EnableContinuousCoverage(ctx) {
flags.Local.CommonFlags = append(flags.Local.CommonFlags, "-mllvm", "-runtime-counter-relocation")
}
}
}
@@ -152,6 +159,9 @@ func (cov *coverage) flags(ctx ModuleContext, flags Flags, deps PathDeps) (Flags
flags.Local.LdFlags = append(flags.Local.LdFlags, "-Wl,--wrap,getenv")
} else if clangCoverage {
flags.Local.LdFlags = append(flags.Local.LdFlags, profileInstrFlag)
if EnableContinuousCoverage(ctx) {
flags.Local.LdFlags = append(flags.Local.LdFlags, "-Wl,-mllvm=-runtime-counter-relocation")
}
coverage := ctx.GetDirectDepWithTag(getClangProfileLibraryName(ctx), CoverageDepTag).(*Module)
deps.WholeStaticLibs = append(deps.WholeStaticLibs, coverage.OutputFile().Path())