Add name mangling function for LLVM.
Change-Id: I0fb352e946ef4be532fec540362468dba7a8138b
diff --git a/build/Android.common.mk b/build/Android.common.mk
index ba421cb..d28cc83 100644
--- a/build/Android.common.mk
+++ b/build/Android.common.mk
@@ -219,7 +219,8 @@
src/compiler_llvm/frontend.cc \
src/compiler_llvm/ir_builder.cc \
src/compiler_llvm/inferred_reg_category_map.cc \
- src/compiler_llvm/method_compiler.cc
+ src/compiler_llvm/method_compiler.cc \
+ src/compiler_llvm/utils_llvm.cc
else
LIBART_COMMON_SRC_FILES += \
src/compiler/Dataflow.cc \
@@ -285,6 +286,11 @@
src/utils_test.cc \
src/zip_archive_test.cc
+ifeq ($(ART_USE_LLVM_COMPILER),true)
+TEST_COMMON_SRC_FILES += \
+ src/compiler_llvm/utils_llvm_test.cc
+endif
+
TEST_TARGET_SRC_FILES := \
$(TEST_COMMON_SRC_FILES)
diff --git a/src/compiler_llvm/utils_llvm.cc b/src/compiler_llvm/utils_llvm.cc
new file mode 100644
index 0000000..1a8e8a2
--- /dev/null
+++ b/src/compiler_llvm/utils_llvm.cc
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "utils_llvm.h"
+
+#include "class_loader.h"
+#include "object.h"
+#include "object_utils.h"
+
+namespace art {
+
+std::string MangleForLLVM(const std::string& s) {
+ std::string result;
+ size_t char_count = CountModifiedUtf8Chars(s.c_str());
+ const char* cp = &s[0];
+ for (size_t i = 0; i < char_count; ++i) {
+ uint16_t ch = GetUtf16FromUtf8(&cp);
+ if (ch == '$' || 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
diff --git a/src/compiler_llvm/utils_llvm.h b/src/compiler_llvm/utils_llvm.h
new file mode 100644
index 0000000..a1624d7
--- /dev/null
+++ b/src/compiler_llvm/utils_llvm.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2011 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.
+ */
+
+#ifndef ART_SRC_UTILS_LLVM_H_
+#define ART_SRC_UTILS_LLVM_H_
+
+#include "object.h"
+
+#include <string>
+
+namespace art {
+
+// Performs LLVM name mangling (similar to MangleForJni with additional '<' and
+// '>' being mangled).
+std::string MangleForLLVM(const std::string& s);
+
+// Returns the LLVM function name for the non-overloaded method 'm'.
+std::string LLVMShortName(const Method* m);
+
+// Returns the LLVM function name for the overloaded method 'm'.
+std::string LLVMLongName(const Method* m);
+
+} // namespace art
+
+#endif // ART_SRC_UTILS_LLVM_H_
diff --git a/src/compiler_llvm/utils_llvm_test.cc b/src/compiler_llvm/utils_llvm_test.cc
new file mode 100644
index 0000000..f5a2c0e
--- /dev/null
+++ b/src/compiler_llvm/utils_llvm_test.cc
@@ -0,0 +1,82 @@
+/*
+ * 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 "object.h"
+#include "common_test.h"
+#include "utils_llvm.h"
+
+namespace art {
+
+class UtilsLLVMTest : public CommonTest {
+};
+
+TEST_F(UtilsLLVMTest, MangleForLLVM) {
+ // Unit test inheritted from MangleForJni
+ EXPECT_EQ("hello_00024world", MangleForLLVM("hello$world"));
+ EXPECT_EQ("hello_000a9world", MangleForLLVM("hello\xc2\xa9world"));
+ EXPECT_EQ("hello_1world", MangleForLLVM("hello_world"));
+ EXPECT_EQ("Ljava_lang_String_2", MangleForLLVM("Ljava/lang/String;"));
+ EXPECT_EQ("_3C", MangleForLLVM("[C"));
+
+ // MangleForLLVM()-specific unit test
+ EXPECT_EQ("_0003cinit_0003e", MangleForLLVM("<init>"));
+ EXPECT_EQ("_0003cclinit_0003e", MangleForLLVM("<clinit>"));
+}
+
+TEST_F(UtilsLLVMTest, LLVMShortName_LLVMLongName) {
+ Class* c = class_linker_->FindSystemClass("Ljava/lang/String;");
+ ASSERT_TRUE(c != NULL);
+ Method* m;
+
+ // Unit test inheritted from MangleForJni
+ m = c->FindVirtualMethod("charAt", "(I)C");
+ ASSERT_TRUE(m != NULL);
+ EXPECT_EQ("Art_java_lang_String_charAt", LLVMShortName(m));
+ EXPECT_EQ("Art_java_lang_String_charAt__I", LLVMLongName(m));
+
+ m = c->FindVirtualMethod("indexOf", "(Ljava/lang/String;I)I");
+ ASSERT_TRUE(m != NULL);
+ EXPECT_EQ("Art_java_lang_String_indexOf", LLVMShortName(m));
+ EXPECT_EQ("Art_java_lang_String_indexOf__Ljava_lang_String_2I", LLVMLongName(m));
+
+ m = c->FindDirectMethod("copyValueOf", "([CII)Ljava/lang/String;");
+ ASSERT_TRUE(m != NULL);
+ EXPECT_EQ("Art_java_lang_String_copyValueOf", LLVMShortName(m));
+ EXPECT_EQ("Art_java_lang_String_copyValueOf___3CII", LLVMLongName(m));
+
+ // MangleForLLVM()-specific unit test
+ m = c->FindDirectMethod("<init>", "()V");
+ ASSERT_TRUE(m != NULL);
+ EXPECT_EQ("Art_java_lang_String__0003cinit_0003e", LLVMShortName(m));
+ EXPECT_EQ("Art_java_lang_String__0003cinit_0003e__", LLVMLongName(m));
+
+ m = c->FindDirectMethod("<init>", "([C)V");
+ ASSERT_TRUE(m != NULL);
+ EXPECT_EQ("Art_java_lang_String__0003cinit_0003e", LLVMShortName(m));
+ EXPECT_EQ("Art_java_lang_String__0003cinit_0003e___3C", LLVMLongName(m));
+
+ m = c->FindDirectMethod("<init>", "([CII)V");
+ ASSERT_TRUE(m != NULL);
+ EXPECT_EQ("Art_java_lang_String__0003cinit_0003e", LLVMShortName(m));
+ EXPECT_EQ("Art_java_lang_String__0003cinit_0003e___3CII", LLVMLongName(m));
+
+ m = c->FindDirectMethod("<init>", "(Ljava/lang/String;)V");
+ ASSERT_TRUE(m != NULL);
+ EXPECT_EQ("Art_java_lang_String__0003cinit_0003e", LLVMShortName(m));
+ EXPECT_EQ("Art_java_lang_String__0003cinit_0003e__Ljava_lang_String_2", LLVMLongName(m));
+}
+
+} // namespace art