| // RUN: %empty-directory(%t) |
| // RUN: %build-irgen-test-overlays |
| // RUN: %target-swift-frontend -emit-module -enable-library-evolution -emit-module-path=%t/resilient_struct.swiftmodule -I %t %S/../Inputs/resilient_struct.swift |
| // RUN: %target-swift-frontend(mock-sdk: -sdk %S/Inputs -I %t) -emit-module-path %t/resilient_class.swiftmodule -enable-library-evolution %S/../Inputs/resilient_class.swift |
| // RUN: %target-swift-frontend(mock-sdk: -sdk %S/Inputs -I %t) -emit-module-path %t/resilient_objc_class.swiftmodule -enable-library-evolution %S/../Inputs/resilient_objc_class.swift |
| // RUN: %target-swift-frontend(mock-sdk: -sdk %S/Inputs -I %t) -I %t -emit-ir -enable-library-evolution -target %target-next-stable-abi-triple %s > %t/out |
| // RUN: %FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-%target-ptrsize --check-prefix=CHECK-%target-runtime -DINT=i%target-ptrsize < %t/out |
| // RUN: %FileCheck %s --check-prefix=NEGATIVE < %t/out |
| |
| import Foundation |
| import resilient_class |
| import resilient_objc_class |
| |
| // REQUIRES: objc_interop |
| // REQUIRES: swift_stable_abi |
| |
| // -- Nominal type descriptor for ResilientSubclass |
| // the interesting part is the 'extra class flags' field has a value of 1. |
| |
| // CHECK-LABEL: @"$s31class_update_callback_with_stub17ResilientSubclassCMn" = constant <{ |
| // -- flags |
| // CHECK-SAME: i32 1644232784, |
| // -- parent |
| // CHECK-SAME: @"$s31class_update_callback_with_stubMXM" |
| // -- name |
| // CHECK-SAME: @1 |
| // -- access function |
| // CHECK-SAME: @"$s31class_update_callback_with_stub17ResilientSubclassCMa" |
| // -- field descriptor |
| // CHECK-SAME: @"$s31class_update_callback_with_stub17ResilientSubclassCMF" |
| // -- superclass |
| // CHECK-SAME: @"symbolic{{[^"]*}}15resilient_class22ResilientOutsideParentC" |
| // -- metadata bounds |
| // CHECK-SAME: @"$s31class_update_callback_with_stub17ResilientSubclassCMo" |
| // -- extra class flags -- has Objective-C resilient class stub |
| // CHECK-SAME: i32 1, |
| // -- number of immediate members |
| // CHECK-SAME: i32 0, |
| // -- number of fields |
| // CHECK-SAME: i32 0, |
| // -- field offset vector offset |
| // CHECK-SAME: i32 0, |
| // -- resilient superclass |
| // CHECK-SAME: @"got.$s15resilient_class22ResilientOutsideParentCMn" |
| // -- singleton metadata initialization |
| // CHECK-SAME: @"$s31class_update_callback_with_stub17ResilientSubclassCMl" |
| // -- resilient class metadata pattern |
| // CHECK-SAME: @"$s31class_update_callback_with_stub17ResilientSubclassCMP" |
| // -- metadata completion callback |
| // CHECK-SAME: @"$s31class_update_callback_with_stub17ResilientSubclassCMr" |
| // -- method override |
| // CHECK-SAME: @"got.$s15resilient_class22ResilientOutsideParentCMn" |
| // CHECK-SAME: @"got.$s15resilient_class22ResilientOutsideParentCACycfCTq" |
| // CHECK-SAME: @"$s31class_update_callback_with_stub17ResilientSubclassCACycfC" |
| // -- class stub |
| // CHECK-SAME: @"$s31class_update_callback_with_stub17ResilientSubclassCMt" |
| // CHECK-SAME: }>, section "__TEXT,__const", align 4 |
| |
| |
| // -- Symbols for full stubs; the address point is one word in, and defined below |
| |
| // CHECK-LABEL: @"$s31class_update_callback_with_stub17ResilientSubclassCMt" = |
| // CHECK-SAME: internal global %objc_full_class_stub { |
| // CHECK-SAME: [[INT]] 0, |
| // CHECK-SAME: [[INT]] 1, |
| // CHECK-SAME: %objc_class* (%objc_class*, i8*)* {{.*}}@"$s31class_update_callback_with_stub17ResilientSubclassCMU{{(\.ptrauth)?}}" |
| // CHECK-SAME: } |
| |
| // CHECK-LABEL: @"$s31class_update_callback_with_stub25ResilientNSObjectSubclassCMt" = |
| // CHECK-SAME: internal global %objc_full_class_stub { |
| // CHECK-SAME: [[INT]] 0, |
| // CHECK-SAME: [[INT]] 1, |
| // CHECK-SAME: %objc_class* (%objc_class*, i8*)* {{.*}}@"$s31class_update_callback_with_stub25ResilientNSObjectSubclassCMU{{(\.ptrauth)?}}" |
| // CHECK-SAME: } |
| |
| // CHECK-LABEL: @"$s31class_update_callback_with_stub27FixedLayoutNSObjectSubclassCMt" = |
| // CHECK-SAME: internal global %objc_full_class_stub { |
| // CHECK-SAME: [[INT]] 0, |
| // CHECK-SAME: [[INT]] 1, |
| // CHECK-SAME: %objc_class* (%objc_class*, i8*)* {{.*}}@"$s31class_update_callback_with_stub27FixedLayoutNSObjectSubclassCMU{{(\.ptrauth)?}}" |
| // CHECK-SAME: } |
| |
| |
| // -- Categories reference the stubs |
| |
| // CHECK-LABEL: @"_CATEGORY__TtC31class_update_callback_with_stub17ResilientSubclass_$_class_update_callback_with_stub" = internal constant |
| // CHECK-SAME: @"$s31class_update_callback_with_stub17ResilientSubclassCMs" |
| |
| // CHECK-LABEL: @"_CATEGORY__TtC31class_update_callback_with_stub25ResilientNSObjectSubclass_$_class_update_callback_with_stub" = internal constant |
| // CHECK-SAME: @"$s31class_update_callback_with_stub25ResilientNSObjectSubclassCMs" |
| |
| // CHECK-LABEL: @"_CATEGORY__TtC31class_update_callback_with_stub27FixedLayoutNSObjectSubclass_$_class_update_callback_with_stub" = internal constant |
| // CHECK-SAME: @"$s31class_update_callback_with_stub27FixedLayoutNSObjectSubclassCMs" |
| |
| // -- But not if the entire inheritance chain is in a single module |
| |
| // CHECK-LABEL: @"_CATEGORY__TtC15resilient_class22ResilientOutsideParent_$_class_update_callback_with_stub" = internal constant |
| // CHECK-SAME: @"$s15resilient_class22ResilientOutsideParentCN" |
| |
| |
| // -- Class stubs do not appear in the class list |
| |
| // NEGATIVE-NOT: @objc_classes = |
| |
| // -- ... but they do appear in the stub list |
| |
| // CHECK-LABEL: @objc_class_stubs = internal global |
| // CHECK-SAME: @"$s31class_update_callback_with_stub25ResilientNSObjectSubclassCMt" |
| // CHECK-SAME: , section "__DATA,__objc_stublist,regular,no_dead_strip" |
| |
| // -- The category list |
| |
| // CHECK-LABEL: @objc_categories = internal global |
| // CHECK-SAME: @"_CATEGORY__TtC15resilient_class22ResilientOutsideParent_$_class_update_callback_with_stub" |
| // CHECK-SAME: , section "__DATA,__objc_catlist,regular,no_dead_strip" |
| |
| // CHECK-LABEL: @objc_categories_stubs = internal global |
| // CHECK-SAME: @"_CATEGORY__TtC31class_update_callback_with_stub17ResilientSubclass_$_class_update_callback_with_stub" |
| // CHECK-SAME: @"_CATEGORY__TtC31class_update_callback_with_stub25ResilientNSObjectSubclass_$_class_update_callback_with_stub" |
| // CHECK-SAME: @"_CATEGORY__TtC31class_update_callback_with_stub27FixedLayoutNSObjectSubclass_$_class_update_callback_with_stub" |
| // CHECK-SAME: , section "__DATA,__objc_catlist2,regular,no_dead_strip" |
| |
| |
| // -- Address point for class stubs |
| |
| // CHECK: @"$s31class_update_callback_with_stub17ResilientSubclassCMs" = alias %objc_class_stub, bitcast (i8* getelementptr inbounds (i8, i8* bitcast (%objc_full_class_stub* @"$s31class_update_callback_with_stub17ResilientSubclassCMt" to i8*), [[INT]] {{4|8}}) to %objc_class_stub*) |
| // CHECK: @"$s31class_update_callback_with_stub25ResilientNSObjectSubclassCMs" = alias %objc_class_stub, bitcast (i8* getelementptr inbounds (i8, i8* bitcast (%objc_full_class_stub* @"$s31class_update_callback_with_stub25ResilientNSObjectSubclassCMt" to i8*), [[INT]] {{4|8}}) to %objc_class_stub*) |
| |
| |
| // -- Class symbol for NSObject-derived class points at the class stub |
| // CHECK: @"OBJC_CLASS_$__TtC31class_update_callback_with_stub25ResilientNSObjectSubclass" = alias %objc_class_stub, {{.*}} @"$s31class_update_callback_with_stub25ResilientNSObjectSubclassCMt" |
| |
| |
| // -- Metadata update callbacks referenced from class stubs |
| |
| // CHECK-LABEL: define internal %objc_class* @"$s31class_update_callback_with_stub17ResilientSubclassCMU"(%objc_class* %0, i8* %1) |
| // CHECK: entry: |
| // CHECK-NEXT: [[RESPONSE:%.*]] = call swiftcc %swift.metadata_response @"$s31class_update_callback_with_stub17ResilientSubclassCMa"([[INT]] 0) |
| // CHECK-NEXT: [[METADATA:%.*]] = extractvalue %swift.metadata_response [[RESPONSE]], 0 |
| // CHECK-NEXT: [[CLASS:%.*]] = bitcast %swift.type* [[METADATA]] to %objc_class* |
| // CHECK-NEXT: ret %objc_class* [[CLASS]] |
| // CHECK-NEXT: } |
| |
| // CHECK-LABEL: define internal %objc_class* @"$s31class_update_callback_with_stub25ResilientNSObjectSubclassCMU"(%objc_class* %0, i8* %1) |
| // CHECK: entry: |
| // CHECK-NEXT: [[RESPONSE:%.*]] = call swiftcc %swift.metadata_response @"$s31class_update_callback_with_stub25ResilientNSObjectSubclassCMa"([[INT]] 0) |
| // CHECK-NEXT: [[METADATA:%.*]] = extractvalue %swift.metadata_response [[RESPONSE]], 0 |
| // CHECK-NEXT: [[CLASS:%.*]] = bitcast %swift.type* [[METADATA]] to %objc_class* |
| // CHECK-NEXT: ret %objc_class* [[CLASS]] |
| // CHECK-NEXT: } |
| |
| open class ResilientSubclass : ResilientOutsideParent {} |
| open class ResilientNSObjectSubclass : ResilientNSObjectOutsideParent {} |
| |
| // Note: @_fixed_layout on a class only applies to the storage layout and |
| // not metadata, which remains resilient. |
| |
| @_fixed_layout |
| open class FixedLayoutNSObjectSubclass : FixedLayoutNSObjectOutsideParent {} |
| |
| extension ResilientSubclass { |
| @objc public func objcMethod() {} |
| } |
| |
| extension ResilientNSObjectSubclass { |
| @objc public func objcMethod() {} |
| } |
| |
| extension FixedLayoutNSObjectSubclass { |
| @objc public func objcMethod() {} |
| } |
| |
| extension ResilientOutsideParent { |
| @objc public func anObjcMethod() {} |
| } |