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Add wrappers to get defined symbols from bytecode
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17770 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -346,6 +346,30 @@ bool llvm::GetBytecodeDependentLibraries(const std::string &fname,
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}
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}
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namespace {
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void getSymbols(Module*M, std::vector<std::string>& symbols) {
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// Loop over global variables
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for (Module::giterator GI = M->gbegin(), GE=M->gend(); GI != GE; ++GI) {
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if (GI->hasInitializer()) {
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std::string name ( GI->getName() );
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if (!name.empty()) {
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symbols.push_back(name);
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}
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}
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}
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//Loop over functions
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for (Module::iterator FI = M->begin(), FE=M->end(); FI != FE; ++FI) {
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if (!FI->isExternal()) {
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std::string name ( FI->getName() );
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if (!name.empty()) {
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symbols.push_back(name);
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}
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}
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}
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}
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}
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// Get just the externally visible defined symbols from the bytecode
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// Get just the externally visible defined symbols from the bytecode
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bool llvm::GetBytecodeSymbols(const sys::Path& fName,
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bool llvm::GetBytecodeSymbols(const sys::Path& fName,
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std::vector<std::string>& symbols) {
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std::vector<std::string>& symbols) {
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@ -355,25 +379,8 @@ bool llvm::GetBytecodeSymbols(const sys::Path& fName,
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// Get the module from the provider
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// Get the module from the provider
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Module* M = AMP->releaseModule();
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Module* M = AMP->releaseModule();
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// Loop over global variables
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// Get the symbols
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for (Module::giterator GI = M->gbegin(), GE=M->gend(); GI != GE; ++GI) {
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getSymbols(M, symbols);
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if (GI->hasInitializer()) {
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std::string name ( GI->getName() );
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if (!name.empty()) {
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symbols.push_back(name);
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}
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}
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}
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//Loop over functions
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for (Module::iterator FI = M->begin(), FE=M->end(); FI != FE; ++FI) {
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if (!FI->isExternal()) {
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std::string name ( FI->getName() );
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if (!name.empty()) {
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symbols.push_back(name);
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}
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}
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}
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// Done with the module
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// Done with the module
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delete M;
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delete M;
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@ -384,4 +391,26 @@ bool llvm::GetBytecodeSymbols(const sys::Path& fName,
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}
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}
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}
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}
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bool llvm::GetBytecodeSymbols(const unsigned char*Buffer, unsigned Length,
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const std::string& ModuleID,
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std::vector<std::string>& symbols) {
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try {
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std::auto_ptr<ModuleProvider>
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AMP(getBytecodeBufferModuleProvider(Buffer, Length, ModuleID));
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// Get the module from the provider
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Module* M = AMP->releaseModule();
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// Get the symbols
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getSymbols(M, symbols);
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// Done with the module
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delete M;
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return true;
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} catch (...) {
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return false;
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}
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}
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// vim: sw=2 ai
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// vim: sw=2 ai
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