[Sanitizer] Specify a default value for each common runtime flag

llvm-svn: 194479

2 files changed, 18 insertions, 2 deletions

diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_flags.cc b/compiler-rt/lib/sanitizer_common/sanitizer_flags.cc
index d0e7d54a6db..ba23ea04bc2 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_flags.cc
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_flags.cc
@@ -18,16 +18,31 @@
 
 namespace __sanitizer {
 
+void SetCommonFlagDefaults() {
+  CommonFlags *f = common_flags();
+  f->symbolize = true;
+  f->external_symbolizer_path = "";
+  f->strip_path_prefix = "";
+  f->fast_unwind_on_fatal = false;
+  f->fast_unwind_on_malloc = true;
+  f->handle_ioctl = false;
+  f->malloc_context_size = 1;
+  f->log_path = "stderr";
+  f->verbosity = 0;
+  f->detect_leaks = false;
+  f->leak_check_at_exit = true;
+  f->allocator_may_return_null = false;
+}
+
 void ParseCommonFlagsFromString(const char *str) {
   CommonFlags *f = common_flags();
   ParseFlag(str, &f->symbolize, "symbolize");
   ParseFlag(str, &f->external_symbolizer_path, "external_symbolizer_path");
-  ParseFlag(str, &f->malloc_context_size, "malloc_context_size");
   ParseFlag(str, &f->strip_path_prefix, "strip_path_prefix");
   ParseFlag(str, &f->fast_unwind_on_fatal, "fast_unwind_on_fatal");
   ParseFlag(str, &f->fast_unwind_on_malloc, "fast_unwind_on_malloc");
-  ParseFlag(str, &f->symbolize, "symbolize");
   ParseFlag(str, &f->handle_ioctl, "handle_ioctl");
+  ParseFlag(str, &f->malloc_context_size, "malloc_context_size");
   ParseFlag(str, &f->log_path, "log_path");
   ParseFlag(str, &f->verbosity, "verbosity");
   ParseFlag(str, &f->detect_leaks, "detect_leaks");
diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_flags.h b/compiler-rt/lib/sanitizer_common/sanitizer_flags.h
index efea6fea48d..b8a6b15d8bb 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_flags.h
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_flags.h
@@ -58,6 +58,7 @@ inline CommonFlags *common_flags() {
   return &f;
 }
 
+void SetCommonFlagDefaults();
 void ParseCommonFlagsFromString(const char *str);
 
 }  // namespace __sanitizer