1 //===- support.go - Bindings for support ----------------------------------===// 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 bindings for the support component. 11 // 12 //===----------------------------------------------------------------------===// 13 14 package llvm 15 16 /* 17 #include "llvm-c/Support.h" 18 #include "SupportBindings.h" 19 #include <stdlib.h> 20 */ 21 import "C" 22 23 import ( 24 "errors" 25 "unsafe" 26 ) 27 28 // Loads a dynamic library such that it may be used as an LLVM plugin. 29 // See llvm::sys::DynamicLibrary::LoadLibraryPermanently. 30 func LoadLibraryPermanently(lib string) error { 31 var errstr *C.char 32 libstr := C.CString(lib) 33 defer C.free(unsafe.Pointer(libstr)) 34 C.LLVMLoadLibraryPermanently2(libstr, &errstr) 35 if errstr != nil { 36 err := errors.New(C.GoString(errstr)) 37 C.free(unsafe.Pointer(errstr)) 38 return err 39 } 40 return nil 41 } 42 43 // Parse the given arguments using the LLVM command line parser. 44 // See llvm::cl::ParseCommandLineOptions. 45 func ParseCommandLineOptions(args []string, overview string) { 46 argstrs := make([]*C.char, len(args)) 47 for i, arg := range args { 48 argstrs[i] = C.CString(arg) 49 defer C.free(unsafe.Pointer(argstrs[i])) 50 } 51 overviewstr := C.CString(overview) 52 defer C.free(unsafe.Pointer(overviewstr)) 53 C.LLVMParseCommandLineOptions(C.int(len(args)), &argstrs[0], overviewstr) 54 } 55
