1 files changed, 31 insertions, 2 deletions
diff --git a/libsanitizer/sanitizer_common/sanitizer_suppressions.cc b/libsanitizer/sanitizer_common/sanitizer_suppressions.cc
index 1766fb5a319..ab40598ae8e 100644
--- a/libsanitizer/sanitizer_common/sanitizer_suppressions.cc
+++ b/libsanitizer/sanitizer_common/sanitizer_suppressions.cc
@@ -13,13 +13,15 @@
 
 #include "sanitizer_allocator_internal.h"
 #include "sanitizer_common.h"
+#include "sanitizer_flags.h"
 #include "sanitizer_libc.h"
+#include "sanitizer_placement_new.h"
 
 namespace __sanitizer {
 
 static const char *const kTypeStrings[SuppressionTypeCount] = {
-    "none",   "race", "mutex",           "thread",
-    "signal", "leak", "called_from_lib", "deadlock"};
+    "none", "race",            "mutex",    "thread",    "signal",
+    "leak", "called_from_lib", "deadlock", "vptr_check"};
 
 bool TemplateMatch(char *templ, const char *str) {
   if (str == 0 || str[0] == 0)
@@ -63,6 +65,33 @@ bool TemplateMatch(char *templ, const char *str) {
   return true;
 }
 
+ALIGNED(64) static char placeholder[sizeof(SuppressionContext)];
+static SuppressionContext *suppression_ctx = 0;
+
+SuppressionContext *SuppressionContext::Get() {
+  CHECK(suppression_ctx);
+  return suppression_ctx;
+}
+
+void SuppressionContext::InitIfNecessary() {
+  if (suppression_ctx)
+    return;
+  suppression_ctx = new(placeholder) SuppressionContext;
+  if (common_flags()->suppressions[0] == '\0')
+    return;
+  char *suppressions_from_file;
+  uptr buffer_size;
+  uptr contents_size =
+      ReadFileToBuffer(common_flags()->suppressions, &suppressions_from_file,
+                       &buffer_size, 1 << 26 /* max_len */);
+  if (contents_size == 0) {
+    Printf("%s: failed to read suppressions file '%s'\n", SanitizerToolName,
+           common_flags()->suppressions);
+    Die();
+  }
+  suppression_ctx->Parse(suppressions_from_file);
+}
+
 bool SuppressionContext::Match(const char *str, SuppressionType type,
                                Suppression **s) {
   can_parse_ = false;