Memory mapped coverage (take 2)
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
diff --git a/cc/coverage.go b/cc/coverage.go
index f2b5425..d0902ea 100644
--- a/cc/coverage.go
+++ b/cc/coverage.go
@@ -77,6 +77,10 @@
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 @@
// 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 @@
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())