diff options
| author | Frederich Munch <colsebas@hotmail.com> | 2017-07-12 21:22:45 +0000 |
|---|---|---|
| committer | Frederich Munch <colsebas@hotmail.com> | 2017-07-12 21:22:45 +0000 |
| commit | 9d9b7c829a664f4ddc323e291364251edd8d936f (patch) | |
| tree | 1a8e90514a01592c89faa07c3a172a071cb43d25 /unittests | |
| parent | 16be511cb4b929b4a0727e2878c7d7e6e549122d (diff) | |
Allow clients to specify search order of DynamicLibraries.
Summary: Different JITs and other clients of LLVM may have different needs in how symbol resolution should occur.
Reviewers: v.g.vassilev, lhames, karies
Reviewed By: v.g.vassilev
Subscribers: pcanal, llvm-commits
Differential Revision: https://reviews.llvm.org/D33529
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307849 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'unittests')
| -rw-r--r-- | unittests/Support/DynamicLibrary/DynamicLibraryTest.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/unittests/Support/DynamicLibrary/DynamicLibraryTest.cpp b/unittests/Support/DynamicLibrary/DynamicLibraryTest.cpp index c54e1b7eed24..370e1c5ed5e8 100644 --- a/unittests/Support/DynamicLibrary/DynamicLibraryTest.cpp +++ b/unittests/Support/DynamicLibrary/DynamicLibraryTest.cpp @@ -77,6 +77,7 @@ TEST(DynamicLibrary, Overload) { EXPECT_TRUE(DL.isValid()); EXPECT_TRUE(Err.empty()); + // Test overloading local symbols does not occur by default GS = FuncPtr<GetString>(DynamicLibrary::SearchForAddressOfSymbol("TestA")); EXPECT_TRUE(GS != nullptr && GS == &TestA); EXPECT_EQ(StdString(GS()), "ProcessCall"); @@ -85,6 +86,12 @@ TEST(DynamicLibrary, Overload) { EXPECT_TRUE(GS != nullptr && GS == &TestA); EXPECT_EQ(StdString(GS()), "ProcessCall"); + // Test overloading by forcing library priority when searching for a symbol + DynamicLibrary::SearchOrder = DynamicLibrary::SO_LoadedFirst; + GS = FuncPtr<GetString>(DynamicLibrary::SearchForAddressOfSymbol("TestA")); + EXPECT_TRUE(GS != nullptr && GS != &TestA); + EXPECT_EQ(StdString(GS()), "LibCall"); + DynamicLibrary::AddSymbol("TestA", PtrFunc(&OverloadTestA)); GS = FuncPtr<GetString>(DL.getAddressOfSymbol("TestA")); EXPECT_TRUE(GS != nullptr && GS != &OverloadTestA); @@ -95,6 +102,9 @@ TEST(DynamicLibrary, Overload) { } EXPECT_TRUE(FuncPtr<GetString>(DynamicLibrary::SearchForAddressOfSymbol( "TestA")) == nullptr); + + // Check serach ordering is reset to default after call to llvm_shutdown + EXPECT_TRUE(DynamicLibrary::SearchOrder == DynamicLibrary::SO_Linker); } TEST(DynamicLibrary, Shutdown) { |