Always generate profiling debug info
The additional debug info is used for sampling PGO. This does not affect
the size of final stripped binaries.
Also removed `-gmlt` flag in pgo.go, since it's actually a lower level
of debug option than the default (-g).
Test: build, verify final binaries are identical size
Bug: 79161490
Change-Id: Ie4cf4998695f78a50a7ac7a7a0853c625cbd8880
diff --git a/cc/config/global.go b/cc/config/global.go
index a170652..e5cb7ee 100644
--- a/cc/config/global.go
+++ b/cc/config/global.go
@@ -46,6 +46,7 @@
"-O2",
"-g",
+ "-fdebug-info-for-profiling",
"-fno-strict-aliasing",
diff --git a/cc/pgo.go b/cc/pgo.go
index 439d2f7..3cf550a 100644
--- a/cc/pgo.go
+++ b/cc/pgo.go
@@ -41,7 +41,6 @@
var pgoProfileProjectsConfigKey = android.NewOnceKey("PgoProfileProjects")
const profileInstrumentFlag = "-fprofile-generate=/data/local/tmp"
-const profileSamplingFlag = "-gmlt -fdebug-info-for-profiling"
const profileUseInstrumentFormat = "-fprofile-use=%s"
const profileUseSamplingFormat = "-fprofile-sample-accurate -fprofile-sample-use=%s"
@@ -100,9 +99,6 @@
}
func (props *PgoProperties) addSamplingProfileGatherFlags(ctx ModuleContext, flags Flags) Flags {
flags.Local.CFlags = append(flags.Local.CFlags, props.Pgo.Cflags...)
-
- flags.Local.CFlags = append(flags.Local.CFlags, profileSamplingFlag)
- flags.Local.LdFlags = append(flags.Local.LdFlags, profileSamplingFlag)
return flags
}