From c1f7035c319aa51fa60d0e038e1bbbb41ac588ea Mon Sep 17 00:00:00 2001
From: Oliver Nguyen <olivernguyen@google.com>
Date: Fri, 6 Dec 2019 15:58:04 -0800
Subject: [PATCH] Set Clang coverage environment variables.

Bug: 143977934
Test: m CLANG_COVERAGE=true and check LLVM_PROFILE_FILE is set
Change-Id: I5aea5a38b9bec1670bf9c8d11d9c466c3b83e4d8
---
 rootdir/Android.mk         | 6 ++++++
 rootdir/init.environ.rc.in | 1 +
 2 files changed, 7 insertions(+)

diff --git a/rootdir/Android.mk b/rootdir/Android.mk
index 994d9aeda..9f9a2c3d6 100644
--- a/rootdir/Android.mk
+++ b/rootdir/Android.mk
@@ -67,6 +67,11 @@ ifeq ($(NATIVE_COVERAGE),true)
   EXPORT_GLOBAL_GCOV_OPTIONS := export GCOV_PREFIX /data/misc/trace
 endif
 
+EXPORT_GLOBAL_CLANG_COVERAGE_OPTIONS :=
+ifeq ($(CLANG_COVERAGE),true)
+  EXPORT_GLOBAL_CLANG_COVERAGE_OPTIONS := export LLVM_PROFILE_FILE /data/misc/trace/clang-%p-%m.profraw
+endif
+
 # Put it here instead of in init.rc module definition,
 # because init.rc is conditionally included.
 #
@@ -146,6 +151,7 @@ $(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/init.environ.rc.in
 	$(hide) sed -i -e 's?%SYSTEMSERVERCLASSPATH%?$(PRODUCT_SYSTEM_SERVER_CLASSPATH)?g' $@
 	$(hide) sed -i -e 's?%EXPORT_GLOBAL_ASAN_OPTIONS%?$(EXPORT_GLOBAL_ASAN_OPTIONS)?g' $@
 	$(hide) sed -i -e 's?%EXPORT_GLOBAL_GCOV_OPTIONS%?$(EXPORT_GLOBAL_GCOV_OPTIONS)?g' $@
+	$(hide) sed -i -e 's?%EXPORT_GLOBAL_CLANG_COVERAGE_OPTIONS%?$(EXPORT_GLOBAL_CLANG_COVERAGE_OPTIONS)?g' $@
 	$(hide) sed -i -e 's?%EXPORT_GLOBAL_HWASAN_OPTIONS%?$(EXPORT_GLOBAL_HWASAN_OPTIONS)?g' $@
 
 # Append PLATFORM_VNDK_VERSION to base name.
diff --git a/rootdir/init.environ.rc.in b/rootdir/init.environ.rc.in
index 50005d994..fdaaf1abe 100644
--- a/rootdir/init.environ.rc.in
+++ b/rootdir/init.environ.rc.in
@@ -15,4 +15,5 @@ on early-init
     export SYSTEMSERVERCLASSPATH %SYSTEMSERVERCLASSPATH%
     %EXPORT_GLOBAL_ASAN_OPTIONS%
     %EXPORT_GLOBAL_GCOV_OPTIONS%
+    %EXPORT_GLOBAL_CLANG_COVERAGE_OPTIONS%
     %EXPORT_GLOBAL_HWASAN_OPTIONS%