Add name mangling function for LLVM.
Change-Id: I0fb352e946ef4be532fec540362468dba7a8138b
diff --git a/src/compiler_llvm/utils_llvm.cc b/src/compiler_llvm/utils_llvm.cc
new file mode 100644
index 0000000..1a8e8a2
--- /dev/null
+++ b/src/compiler_llvm/utils_llvm.cc
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "utils_llvm.h"
+
+#include "class_loader.h"
+#include "object.h"
+#include "object_utils.h"
+
+namespace art {
+
+std::string MangleForLLVM(const std::string& s) {
+ std::string result;
+ size_t char_count = CountModifiedUtf8Chars(s.c_str());
+ const char* cp = &s[0];
+ for (size_t i = 0; i < char_count; ++i) {
+ uint16_t ch = GetUtf16FromUtf8(&cp);
+ if (ch == '$' || ch == '<' || ch == '>' || ch > 127) {
+ StringAppendF(&result, "_0%04x", ch);
+ } else {
+ switch (ch) {
+ case '_':
+ result += "_1";
+ break;
+ case ';':
+ result += "_2";
+ break;
+ case '[':
+ result += "_3";
+ break;
+ case '/':
+ result += "_";
+ break;
+ default:
+ result.push_back(ch);
+ break;
+ }
+ }
+ }
+ return result;
+}
+
+std::string LLVMShortName(const Method* m) {
+ MethodHelper mh(m);
+ std::string class_name(mh.GetDeclaringClassDescriptor());
+ // Remove the leading 'L' and trailing ';'...
+ CHECK_EQ(class_name[0], 'L') << class_name;
+ CHECK_EQ(class_name[class_name.size() - 1], ';') << class_name;
+ class_name.erase(0, 1);
+ class_name.erase(class_name.size() - 1, 1);
+
+ std::string method_name(mh.GetName());
+
+ std::string short_name;
+ short_name += "Art_";
+ short_name += MangleForLLVM(class_name);
+ short_name += "_";
+ short_name += MangleForLLVM(method_name);
+ return short_name;
+}
+
+std::string LLVMLongName(const Method* m) {
+ std::string long_name;
+ long_name += LLVMShortName(m);
+ long_name += "__";
+
+ std::string signature(MethodHelper(m).GetSignature());
+ signature.erase(0, 1);
+ signature.erase(signature.begin() + signature.find(')'), signature.end());
+
+ long_name += MangleForLLVM(signature);
+
+ return long_name;
+}
+
+} // namespace art