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swift_allocObject should be exposed as a visible runtime entry.

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This commit is contained in:
Roman Levenstein
2016-02-25 08:46:57 -08:00
parent 2ff5755dc3
commit dbf233318b
3 changed files with 19 additions and 1 deletions
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6
include/swift/Runtime/HeapObject.h
View File

@@ -60,6 +60,12 @@ HeapObject *swift_allocObject(HeapMetadata const *metadata,
size_t requiredAlignmentMask)
SWIFT_CC(RegisterPreservingCC);
SWIFT_RUNTIME_EXPORT
extern "C"
HeapObject *(*SWIFT_CC(RegisterPreservingCC) _swift_allocObject)(
HeapMetadata const *metadata,
size_t requiredSize,
size_t requiredAlignmentMask);
/// Initializes the object header of a stack allocated object.
///

2
include/swift/Runtime/RuntimeFunctions.def
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@@ -67,7 +67,7 @@ FUNCTION(ProjectBox, swift_projectBox, DefaultCC,
// RefCounted *swift_allocObject(Metadata *type, size_t size, size_t alignMask);
FUNCTION_WITH_GLOBAL_SYMBOL_AND_IMPL(AllocObject, swift_allocObject,
_swift_allocObject, swift_allocObject, RegisterPreservingCC,
_swift_allocObject, _swift_allocObject_, RegisterPreservingCC,
RETURNS(RefCountedPtrTy),
ARGS(TypeMetadataPtrTy, SizeTy, SizeTy),
ATTRS(NoUnwind))

12
stdlib/public/runtime/HeapObject.cpp
View File

@@ -42,11 +42,23 @@
using namespace swift;
SWIFT_RT_ENTRY_VISIBILITY
extern "C"
HeapObject *
swift::swift_allocObject(HeapMetadata const *metadata,
size_t requiredSize,
size_t requiredAlignmentMask)
SWIFT_CC(RegisterPreservingCC_IMPL) {
return SWIFT_RT_ENTRY_REF(swift_allocObject)(metadata, requiredSize,
requiredAlignmentMask);
}
SWIFT_RT_ENTRY_IMPL_VISIBILITY
extern "C"
HeapObject *
SWIFT_RT_ENTRY_IMPL(swift_allocObject)(HeapMetadata const *metadata,
size_t requiredSize,
size_t requiredAlignmentMask)
SWIFT_CC(RegisterPreservingCC_IMPL) {
assert(isAlignmentMask(requiredAlignmentMask));
auto object = reinterpret_cast<HeapObject *>(
SWIFT_RT_ENTRY_CALL(swift_slowAlloc)(requiredSize,