Use old unwinder for R cc modules
Modules linking against VNDK R have been using libgcc_stripped and
libunwind_llvm as their unwinder. This change uses those old unwinder
libraries if current module's VNDK version is R.
Bug: 178470649
Test: soong test
Change-Id: I86d0600b2fb09cd9828c0a5b1157558711b0ec86
diff --git a/cc/stl.go b/cc/stl.go
index 594231d..4f8865f 100644
--- a/cc/stl.go
+++ b/cc/stl.go
@@ -140,6 +140,17 @@
}
func staticUnwinder(ctx android.BaseModuleContext) string {
+ vndkVersion := ctx.Module().(*Module).VndkVersion()
+
+ // Modules using R vndk use different unwinder
+ if vndkVersion == "30" {
+ if ctx.Arch().ArchType == android.Arm {
+ return "libunwind_llvm"
+ } else {
+ return "libgcc_stripped"
+ }
+ }
+
return "libunwind"
}