1 files changed, 92 insertions, 0 deletions
diff --git a/compiler/elf_writer_test.cc b/compiler/elf_writer_test.cc
new file mode 100644
index 0000000..d4486d2
--- /dev/null
+++ b/compiler/elf_writer_test.cc
@@ -0,0 +1,92 @@
+/*
+ * 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.
+ */
+
+#include "common_test.h"
+
+#include "oat.h"
+#include "elf_file.h"
+
+namespace art {
+
+class ElfWriterTest : public CommonTest {
+
+ protected:
+  virtual void SetUp() {
+    ReserveImageSpace();
+    CommonTest::SetUp();
+  }
+};
+
+#define EXPECT_ELF_FILE_ADDRESS(ef, value, name, build_map) \
+  EXPECT_EQ(value, reinterpret_cast<void*>(ef->FindSymbolAddress(::llvm::ELF::SHT_DYNSYM, name, build_map))); \
+  EXPECT_EQ(value, ef->FindDynamicSymbolAddress(name)); \
+
+TEST_F(ElfWriterTest, dlsym) {
+  std::string elf_filename;
+  if (IsHost()) {
+    const char* host_dir = getenv("ANDROID_HOST_OUT");
+    CHECK(host_dir != NULL);
+    elf_filename = StringPrintf("%s/framework/core.oat", host_dir);
+  } else {
+    elf_filename = "/data/art-test/core.oat";
+  }
+  LOG(INFO) << "elf_filename=" << elf_filename;
+
+  UnreserveImageSpace();
+  void* dl_oat_so = dlopen(elf_filename.c_str(), RTLD_NOW);
+  ASSERT_TRUE(dl_oat_so != NULL) << dlerror();
+  void* dl_oatdata = dlsym(dl_oat_so, "oatdata");
+  ASSERT_TRUE(dl_oatdata != NULL);
+
+  OatHeader* dl_oat_header = reinterpret_cast<OatHeader*>(dl_oatdata);
+  ASSERT_TRUE(dl_oat_header->IsValid());
+  void* dl_oatexec = dlsym(dl_oat_so, "oatexec");
+  ASSERT_TRUE(dl_oatexec != NULL);
+  ASSERT_LT(dl_oatdata, dl_oatexec);
+
+  void* dl_oatlastword = dlsym(dl_oat_so, "oatlastword");
+  ASSERT_TRUE(dl_oatlastword != NULL);
+  ASSERT_LT(dl_oatexec, dl_oatlastword);
+
+  ASSERT_EQ(0, dlclose(dl_oat_so));
+
+  UniquePtr<File> file(OS::OpenFile(elf_filename.c_str(), false));
+  ASSERT_TRUE(file.get() != NULL);
+  {
+    UniquePtr<ElfFile> ef(ElfFile::Open(file.get(), false, false));
+    CHECK(ef.get() != NULL);
+    EXPECT_ELF_FILE_ADDRESS(ef, dl_oatdata, "oatdata", false);
+    EXPECT_ELF_FILE_ADDRESS(ef, dl_oatexec, "oatexec", false);
+    EXPECT_ELF_FILE_ADDRESS(ef, dl_oatlastword, "oatlastword", false);
+  }
+  {
+    UniquePtr<ElfFile> ef(ElfFile::Open(file.get(), false, false));
+    CHECK(ef.get() != NULL);
+    EXPECT_ELF_FILE_ADDRESS(ef, dl_oatdata, "oatdata", true);
+    EXPECT_ELF_FILE_ADDRESS(ef, dl_oatexec, "oatexec", true);
+    EXPECT_ELF_FILE_ADDRESS(ef, dl_oatlastword, "oatlastword", true);
+  }
+  {
+    UniquePtr<ElfFile> ef(ElfFile::Open(file.get(), false, true));
+    CHECK(ef.get() != NULL);
+    ef->Load();
+    EXPECT_EQ(dl_oatdata, ef->FindDynamicSymbolAddress("oatdata"));
+    EXPECT_EQ(dl_oatexec, ef->FindDynamicSymbolAddress("oatexec"));
+    EXPECT_EQ(dl_oatlastword, ef->FindDynamicSymbolAddress("oatlastword"));
+  }
+}
+
+}  // namespace art