mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
f7291b21ec
...and explicitly mark symbols we export, either for use by executables or for runtime-stdlib interaction. Until the stdlib supports resilience we have to allow programs to link to these SPI symbols.
53 lines
1.7 KiB
C++
53 lines
1.7 KiB
C++
//===--- GlobalObjects.cpp - Statically-initialized objects ---------------===//
|
|
//
|
|
// This source file is part of the Swift.org open source project
|
|
//
|
|
// Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors
|
|
// Licensed under Apache License v2.0 with Runtime Library Exception
|
|
//
|
|
// See http://swift.org/LICENSE.txt for license information
|
|
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// Objects that are allocated at global scope instead of on the heap,
|
|
// and statically initialized to avoid synchronization costs, are
|
|
// defined here.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
#include "../SwiftShims/GlobalObjects.h"
|
|
#include "swift/Runtime/Metadata.h"
|
|
|
|
namespace swift {
|
|
|
|
// _direct type metadata for Swift._EmptyArrayStorage
|
|
SWIFT_RUNTIME_STDLIB_INTERFACE
|
|
extern "C" ClassMetadata _TMCs18_EmptyArrayStorage;
|
|
|
|
SWIFT_RUNTIME_STDLIB_INTERFACE
|
|
extern "C" _SwiftEmptyArrayStorage _swiftEmptyArrayStorage = {
|
|
// HeapObject header;
|
|
{
|
|
&_TMCs18_EmptyArrayStorage, // isa pointer
|
|
},
|
|
|
|
// _SwiftArrayBodyStorage body;
|
|
{
|
|
0, // int count;
|
|
1 // unsigned int _capacityAndFlags; 1 means elementTypeIsBridgedVerbatim
|
|
}
|
|
};
|
|
|
|
SWIFT_RUNTIME_STDLIB_INTERFACE
|
|
extern "C"
|
|
uint64_t _swift_stdlib_HashingDetail_fixedSeedOverride = 0;
|
|
|
|
}
|
|
|
|
namespace llvm { namespace hashing { namespace detail {
|
|
// An extern variable expected by LLVM's hashing templates. We don't link any
|
|
// LLVM libs into the runtime, so define this here.
|
|
size_t fixed_seed_override = 0;
|
|
} } }
|
|
|