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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "base/native_library.h" | 5 #include "base/native_library.h" |
| 6 | 6 |
| 7 #include <dlfcn.h> | 7 #include <dlfcn.h> |
| 8 #include <mach-o/getsect.h> | 8 #include <mach-o/getsect.h> |
| 9 | 9 |
| 10 #include "base/file_util.h" | 10 #include "base/file_util.h" |
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| 49 !file_util::DirectoryExists(library_path)) { | 49 !file_util::DirectoryExists(library_path)) { |
| 50 void* dylib = dlopen(library_path.value().c_str(), RTLD_LAZY); | 50 void* dylib = dlopen(library_path.value().c_str(), RTLD_LAZY); |
| 51 if (!dylib) | 51 if (!dylib) |
| 52 return NULL; | 52 return NULL; |
| 53 NativeLibrary native_lib = new NativeLibraryStruct(); | 53 NativeLibrary native_lib = new NativeLibraryStruct(); |
| 54 native_lib->type = DYNAMIC_LIB; | 54 native_lib->type = DYNAMIC_LIB; |
| 55 native_lib->dylib = dylib; | 55 native_lib->dylib = dylib; |
| 56 native_lib->objc_status = OBJC_UNKNOWN; | 56 native_lib->objc_status = OBJC_UNKNOWN; |
| 57 return native_lib; | 57 return native_lib; |
| 58 } | 58 } |
| 59 base::mac::ScopedCFTypeRef<CFURLRef> url( | 59 base::ScopedCFTypeRef<CFURLRef> url(CFURLCreateFromFileSystemRepresentation( |
| 60 CFURLCreateFromFileSystemRepresentation( | 60 kCFAllocatorDefault, |
| 61 kCFAllocatorDefault, | 61 (const UInt8*)library_path.value().c_str(), |
| 62 (const UInt8*)library_path.value().c_str(), | 62 library_path.value().length(), |
| 63 library_path.value().length(), | 63 true)); |
| 64 true)); | |
| 65 if (!url) | 64 if (!url) |
| 66 return NULL; | 65 return NULL; |
| 67 CFBundleRef bundle = CFBundleCreate(kCFAllocatorDefault, url.get()); | 66 CFBundleRef bundle = CFBundleCreate(kCFAllocatorDefault, url.get()); |
| 68 if (!bundle) | 67 if (!bundle) |
| 69 return NULL; | 68 return NULL; |
| 70 | 69 |
| 71 NativeLibrary native_lib = new NativeLibraryStruct(); | 70 NativeLibrary native_lib = new NativeLibraryStruct(); |
| 72 native_lib->type = BUNDLE; | 71 native_lib->type = BUNDLE; |
| 73 native_lib->bundle = bundle; | 72 native_lib->bundle = bundle; |
| 74 native_lib->bundle_resource_ref = CFBundleOpenBundleResourceMap(bundle); | 73 native_lib->bundle_resource_ref = CFBundleOpenBundleResourceMap(bundle); |
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| 96 delete library; | 95 delete library; |
| 97 } | 96 } |
| 98 | 97 |
| 99 // static | 98 // static |
| 100 void* GetFunctionPointerFromNativeLibrary(NativeLibrary library, | 99 void* GetFunctionPointerFromNativeLibrary(NativeLibrary library, |
| 101 const char* name) { | 100 const char* name) { |
| 102 void* function_pointer = NULL; | 101 void* function_pointer = NULL; |
| 103 | 102 |
| 104 // Get the function pointer using the right API for the type. | 103 // Get the function pointer using the right API for the type. |
| 105 if (library->type == BUNDLE) { | 104 if (library->type == BUNDLE) { |
| 106 base::mac::ScopedCFTypeRef<CFStringRef> symbol_name( | 105 base::ScopedCFTypeRef<CFStringRef> symbol_name(CFStringCreateWithCString( |
| 107 CFStringCreateWithCString(kCFAllocatorDefault, name, | 106 kCFAllocatorDefault, name, kCFStringEncodingUTF8)); |
| 108 kCFStringEncodingUTF8)); | |
| 109 function_pointer = CFBundleGetFunctionPointerForName(library->bundle, | 107 function_pointer = CFBundleGetFunctionPointerForName(library->bundle, |
| 110 symbol_name); | 108 symbol_name); |
| 111 } else { | 109 } else { |
| 112 function_pointer = dlsym(library->dylib, name); | 110 function_pointer = dlsym(library->dylib, name); |
| 113 } | 111 } |
| 114 | 112 |
| 115 // If this library hasn't been tested for having ObjC, use the function | 113 // If this library hasn't been tested for having ObjC, use the function |
| 116 // pointer to look up the section information for the library. | 114 // pointer to look up the section information for the library. |
| 117 if (function_pointer && library->objc_status == OBJC_UNKNOWN) | 115 if (function_pointer && library->objc_status == OBJC_UNKNOWN) |
| 118 library->objc_status = GetObjCStatusForImage(function_pointer); | 116 library->objc_status = GetObjCStatusForImage(function_pointer); |
| 119 | 117 |
| 120 return function_pointer; | 118 return function_pointer; |
| 121 } | 119 } |
| 122 | 120 |
| 123 // static | 121 // static |
| 124 string16 GetNativeLibraryName(const string16& name) { | 122 string16 GetNativeLibraryName(const string16& name) { |
| 125 return name + ASCIIToUTF16(".dylib"); | 123 return name + ASCIIToUTF16(".dylib"); |
| 126 } | 124 } |
| 127 | 125 |
| 128 } // namespace base | 126 } // namespace base |
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