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Remove unused GetAddressOfSymbol()

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Thanks Daniel Dunbar!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48340 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2008-03-13 16:55:34 +00:00
parent a56516ee08
commit a13341737d
2 changed files with 3 additions and 31 deletions
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27
include/llvm/System/DynamicLibrary.h
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@ -38,19 +38,13 @@ namespace sys {
public: public:
/// Construct a DynamicLibrary that represents the currently executing /// Construct a DynamicLibrary that represents the currently executing
/// program. The program must have been linked with -export-dynamic or /// program. The program must have been linked with -export-dynamic or
/// -dlopen self for this to work. Any symbols retrieved with the /// -dlopen self for this to work.
/// GetAddressOfSymbol function will refer to the program not to any
/// library.
/// @throws std::string indicating why the program couldn't be opened. /// @throws std::string indicating why the program couldn't be opened.
/// @brief Open program as dynamic library. /// @brief Open program as dynamic library.
DynamicLibrary(); DynamicLibrary();
/// After destruction, the symbols of the library will no longer be /// After destruction, the symbols of the library will no longer be
/// available to the program. It is important to make sure the lifespan /// available to the program.
/// of a DynamicLibrary exceeds the lifetime of the pointers returned
/// by the GetAddressOfSymbol otherwise the program may walk off into
/// uncharted territory.
/// @see GetAddressOfSymbol.
/// @brief Closes the DynamicLibrary /// @brief Closes the DynamicLibrary
~DynamicLibrary(); ~DynamicLibrary();
@ -91,27 +85,10 @@ namespace sys {
AddSymbol(symbolName.c_str(), symbolValue); AddSymbol(symbolName.c_str(), symbolValue);
} }
/// @}
/// @name Accessors
/// @{
public:
/// Looks up a \p symbolName in the DynamicLibrary and returns its address
/// if it exists. If the symbol does not exist, returns (void*)0.
/// @returns the address of the symbol or 0.
/// @brief Get the address of a symbol in the DynamicLibrary.
void* GetAddressOfSymbol(const char* symbolName);
/// @brief Convenience function for C++ophiles.
void* GetAddressOfSymbol(const std::string& symbolName) {
return GetAddressOfSymbol(symbolName.c_str());
}
/// @} /// @}
/// @name Implementation /// @name Implementation
/// @{ /// @{
protected: protected:
void* handle; // Opaque handle for information about the library
DynamicLibrary(const DynamicLibrary&); ///< Do not implement DynamicLibrary(const DynamicLibrary&); ///< Do not implement
DynamicLibrary& operator=(const DynamicLibrary&); ///< Do not implement DynamicLibrary& operator=(const DynamicLibrary&); ///< Do not implement
/// @} /// @}

7
lib/System/DynamicLibrary.cpp
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@ -50,7 +50,7 @@ using namespace llvm::sys;
//static std::vector<lt_dlhandle> OpenedHandles; //static std::vector<lt_dlhandle> OpenedHandles;
static std::vector<void *> OpenedHandles; static std::vector<void *> OpenedHandles;
DynamicLibrary::DynamicLibrary() : handle(0) {} DynamicLibrary::DynamicLibrary() {}
DynamicLibrary::~DynamicLibrary() { DynamicLibrary::~DynamicLibrary() {
while(!OpenedHandles.empty()) { while(!OpenedHandles.empty()) {
@ -158,11 +158,6 @@ void* DynamicLibrary::SearchForAddressOfSymbol(const char* symbolName) {
return 0; return 0;
} }
void *DynamicLibrary::GetAddressOfSymbol(const char *symbolName) {
assert(handle != 0 && "Invalid DynamicLibrary handle");
return dlsym(handle, symbolName);
}
#endif // LLVM_ON_WIN32 #endif // LLVM_ON_WIN32
DEFINING_FILE_FOR(SystemDynamicLibrary) DEFINING_FILE_FOR(SystemDynamicLibrary)