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-rw-r--r--src/common/demangle.cpp37
1 files changed, 37 insertions, 0 deletions
diff --git a/src/common/demangle.cpp b/src/common/demangle.cpp
new file mode 100644
index 000000000..f4246f666
--- /dev/null
+++ b/src/common/demangle.cpp
@@ -0,0 +1,37 @@
+// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/demangle.h"
+#include "common/scope_exit.h"
+
+namespace llvm {
+char* itaniumDemangle(const char* mangled_name, char* buf, size_t* n, int* status);
+}
+
+namespace Common {
+
+std::string DemangleSymbol(const std::string& mangled) {
+ auto is_itanium = [](const std::string& name) -> bool {
+ // A valid Itanium encoding requires 1-4 leading underscores, followed by 'Z'.
+ auto pos = name.find_first_not_of('_');
+ return pos > 0 && pos <= 4 && pos < name.size() && name[pos] == 'Z';
+ };
+
+ if (mangled.empty()) {
+ return mangled;
+ }
+
+ char* demangled = nullptr;
+ SCOPE_EXIT({ std::free(demangled); });
+
+ if (is_itanium(mangled)) {
+ demangled = llvm::itaniumDemangle(mangled.c_str(), nullptr, nullptr, nullptr);
+ }
+
+ if (!demangled) {
+ return mangled;
+ }
+ return demangled;
+}
+
+} // namespace Common