uptr stack_top, stack_bottom;
} __msan_stack_bounds;
+static THREADLOCAL bool is_in_symbolizer;
+
extern "C" const int __msan_track_origins;
int __msan_get_track_origins() {
return __msan_track_origins;
return result;
}
+void EnterSymbolizer() { is_in_symbolizer = true; }
+void ExitSymbolizer() { is_in_symbolizer = false; }
+bool IsInSymbolizer() { return is_in_symbolizer; }
+
static Flags msan_flags;
Flags *flags() {
f->verbosity = 0;
f->strip_path_prefix = "";
+ // Override from user-specified string.
+ if (__msan_default_options)
+ ParseFlagsFromString(f, __msan_default_options());
ParseFlagsFromString(f, options);
}
u32 __msan_get_umr_origin() {
return __msan_origin_tls;
}
+
+#if !SANITIZER_SUPPORTS_WEAK_HOOKS
+extern "C" {
+SANITIZER_WEAK_ATTRIBUTE SANITIZER_INTERFACE_ATTRIBUTE
+const char* __msan_default_options() { return ""; }
+} // extern "C"
+#endif
+
const char *End() { return Default(); }
};
+struct SymbolizerScope {
+ SymbolizerScope() { EnterSymbolizer(); }
+ ~SymbolizerScope() { ExitSymbolizer(); }
+};
+
+static void PrintStack(const uptr *trace, uptr size) {
+ SymbolizerScope sym_scope;
+ StackTrace::PrintStack(trace, size, true, flags()->strip_path_prefix, 0);
+}
+
static void DescribeOrigin(u32 origin) {
Decorator d;
if (flags()->verbosity)
const uptr *trace = StackDepotGet(origin, &size);
Printf(" %sUninitialized value was created by a heap allocation%s\n",
d.Origin(), d.End());
- StackTrace::PrintStack(trace, size, true, flags()->strip_path_prefix, 0);
+ PrintStack(trace, size);
}
}
if (!stack->size || !IsSymbolizerAvailable()) return;
AddressInfo ai;
uptr pc = StackTrace::GetPreviousInstructionPc(stack->trace[0]);
- SymbolizeCode(pc, &ai, 1);
+ {
+ SymbolizerScope sym_scope;
+ SymbolizeCode(pc, &ai, 1);
+ }
ReportErrorSummary(error_type,
StripPathPrefix(ai.file, flags()->strip_path_prefix),
ai.line, ai.function);
Printf("%s", d.Warning());
Report(" WARNING: Use of uninitialized value\n");
Printf("%s", d.End());
- StackTrace::PrintStack(stack->trace, stack->size, true,
- flags()->strip_path_prefix, 0);
+ PrintStack(stack->trace, stack->size);
if (origin) {
DescribeOrigin(origin);
}
GenericScopedLock<StaticSpinMutex> lock(&report_mu);
Printf(" WARNING: Expected use of uninitialized value not found\n");
- StackTrace::PrintStack(stack->trace, stack->size, true,
- flags()->strip_path_prefix, 0);
+ PrintStack(stack->trace, stack->size);
}
void ReportAtExitStatistics() {