-
Notifications
You must be signed in to change notification settings - Fork 1.3k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Mohsin Qureshi
committed
Apr 17, 2024
1 parent
66b2665
commit 92b8d40
Showing
11 changed files
with
97 additions
and
62 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| /* | ||
| * Copyright (C) 2022-2024 Apple Inc. All rights reserved. | ||
| * | ||
| * Redistribution and use in source and binary forms, with or without | ||
| * modification, are permitted provided that the following conditions | ||
| * are met: | ||
| * 1. Redistributions of source code must retain the above copyright | ||
| * notice, this list of conditions and the following disclaimer. | ||
| * 2. Redistributions in binary form must reproduce the above copyright | ||
| * notice, this list of conditions and the following disclaimer in the | ||
| * documentation and/or other materials provided with the distribution. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY | ||
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR | ||
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | ||
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | ||
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | ||
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | ||
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| */ | ||
|
|
||
| #include "config.h" | ||
| #include "JSCBytecodeCacheVersion.h" | ||
|
|
||
| #include <wtf/text/SuperFastHash.h> | ||
|
|
||
| #if OS(DARWIN) | ||
| #include <dlfcn.h> | ||
| #include <mach-o/dyld.h> | ||
| #include <uuid/uuid.h> | ||
| #include <wtf/DataLog.h> | ||
| #include <wtf/NeverDestroyed.h> | ||
| #include <wtf/spi/darwin/dyldSPI.h> | ||
| #endif | ||
|
|
||
| namespace JSC { | ||
|
|
||
| namespace JSCBytecodeCacheVersionInternal { | ||
| static constexpr bool verbose = false; | ||
| } | ||
|
|
||
| uint32_t computeJSCBytecodeCacheVersion() | ||
| { | ||
| #if OS(DARWIN) | ||
| static LazyNeverDestroyed<uint32_t> cacheVersion; | ||
| static std::once_flag onceFlag; | ||
| std::call_once(onceFlag, [] { | ||
| void* jsFunctionAddr = bitwise_cast<void*>(&computeJSCBytecodeCacheVersion); | ||
|
|
||
| uuid_t uuid; | ||
| if (const mach_header* header = dyld_image_header_containing_address(jsFunctionAddr); header && _dyld_get_image_uuid(header, uuid)) { | ||
| uuid_string_t uuidString = { }; | ||
| uuid_unparse(uuid, uuidString); | ||
| cacheVersion.construct(SuperFastHash::computeHash(uuidString)); | ||
| dataLogLnIf(JSCBytecodeCacheVersionInternal::verbose, "UUID of JavaScriptCore.framework:", uuidString); | ||
| return; | ||
| } | ||
|
|
||
| cacheVersion.construct(0); | ||
| dataLogLnIf(JSCBytecodeCacheVersionInternal::verbose, "Failed to get UUID for JavaScriptCore framework"); | ||
| }); | ||
| return cacheVersion.get(); | ||
| #else | ||
| static constexpr uint32_t precomputedCacheVersion = SuperFastHash::computeHash(__TIMESTAMP__); | ||
| return precomputedCacheVersion; | ||
| #endif | ||
| } | ||
|
|
||
| } // namespace JSC |
This file was deleted.
Oops, something went wrong.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters