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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/Support/DataTypes.h"
18 #include "llvm-c/Types.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