Pass -mllvm flags for memtag-stack correctly to linker
Bug: 309446520
Change-Id: I08519db0323a754c66acaa0ace5c41d962809ac6
diff --git a/cc/sanitize.go b/cc/sanitize.go
index db046ec..fe7bb94 100644
--- a/cc/sanitize.go
+++ b/cc/sanitize.go
@@ -82,7 +82,8 @@
"-fno-sanitize-recover=integer,undefined"}
hwasanGlobalOptions = []string{"heap_history_size=1023", "stack_history_size=512",
"export_memory_stats=0", "max_malloc_fill_size=131072", "malloc_fill_byte=0"}
- memtagStackCommonFlags = []string{"-march=armv8-a+memtag", "-mllvm", "-dom-tree-reachability-max-bbs-to-explore=128"}
+ memtagStackCommonFlags = []string{"-march=armv8-a+memtag"}
+ memtagStackLlvmFlags = []string{"-dom-tree-reachability-max-bbs-to-explore=128"}
hostOnlySanitizeFlags = []string{"-fno-sanitize-recover=all"}
deviceOnlySanitizeFlags = []string{"-fsanitize-trap=all"}
@@ -879,6 +880,13 @@
flags.Local.CFlags = append(flags.Local.CFlags, memtagStackCommonFlags...)
flags.Local.AsFlags = append(flags.Local.AsFlags, memtagStackCommonFlags...)
flags.Local.LdFlags = append(flags.Local.LdFlags, memtagStackCommonFlags...)
+
+ for _, flag := range memtagStackLlvmFlags {
+ flags.Local.CFlags = append(flags.Local.CFlags, "-mllvm", flag)
+ }
+ for _, flag := range memtagStackLlvmFlags {
+ flags.Local.LdFlags = append(flags.Local.LdFlags, "-Wl,-mllvm,"+flag)
+ }
}
if (Bool(sanProps.Memtag_heap) || Bool(sanProps.Memtag_stack) || Bool(sanProps.Memtag_globals)) && ctx.binary() {