Home | History | Annotate | Download | only in llvm-c
      1 /*===-- llvm-c/Support.h - Support C Interface --------------------*- C -*-===*\
      2 |*                                                                            *|
      3 |*                     The LLVM Compiler Infrastructure                       *|
      4 |*                                                                            *|
      5 |* This file is distributed under the University of Illinois Open Source      *|
      6 |* License. See LICENSE.TXT for details.                                      *|
      7 |*                                                                            *|
      8 |*===----------------------------------------------------------------------===*|
      9 |*                                                                            *|
     10 |* This file defines the C interface to the LLVM support library.             *|
     11 |*                                                                            *|
     12 \*===----------------------------------------------------------------------===*/
     13 
     14 #ifndef LLVM_C_SUPPORT_H
     15 #define LLVM_C_SUPPORT_H
     16 
     17 #include "llvm-c/Types.h"
     18 #include "llvm/Support/DataTypes.h"
     19 
     20 #ifdef __cplusplus
     21 extern "C" {
     22 #endif
     23 
     24 /**
     25  * This function permanently loads the dynamic library at the given path.
     26  * It is safe to call this function multiple times for the same library.
     27  *
     28  * @see sys::DynamicLibrary::LoadLibraryPermanently()
     29   */
     30 LLVMBool LLVMLoadLibraryPermanently(const char* Filename);
     31 
     32 /**
     33  * This function parses the given arguments using the LLVM command line parser.
     34  * Note that the only stable thing about this function is its signature; you
     35  * cannot rely on any particular set of command line arguments being interpreted
     36  * the same way across LLVM versions.
     37  *
     38  * @see llvm::cl::ParseCommandLineOptions()
     39  */
     40 void LLVMParseCommandLineOptions(int argc, const char *const *argv,
     41                                  const char *Overview);
     42 
     43 /**
     44  * This function will search through all previously loaded dynamic
     45  * libraries for the symbol \p symbolName. If it is found, the address of
     46  * that symbol is returned. If not, null is returned.
     47  *
     48  * @see sys::DynamicLibrary::SearchForAddressOfSymbol()
     49  */
     50 void *LLVMSearchForAddressOfSymbol(const char *symbolName);
     51 
     52 /**
     53  * This functions permanently adds the symbol \p symbolName with the
     54  * value \p symbolValue.  These symbols are searched before any
     55  * libraries.
     56  *
     57  * @see sys::DynamicLibrary::AddSymbol()
     58  */
     59 void LLVMAddSymbol(const char *symbolName, void *symbolValue);
     60 
     61 #ifdef __cplusplus
     62 }
     63 #endif
     64 
     65 #endif
     66