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1//2// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.3// See https://llvm.org/LICENSE.txt for license information.4// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception5 6/*7 * objectRRGC.c8 * testObjects9 *10 * Created by Blaine Garst on 10/31/08.11 *12 * Test that the runtime honors the new callouts properly for retain/release and GC13 * CON FIG C rdar://617595914 */15 16 17 18#include <stdio.h>19#include <Block_private.h>20 21 22int AssignCalled = 0;23int DisposeCalled = 0;24 25// local copy instead of libSystem.B.dylib copy26void _Block_object_assign(void *destAddr, const void *object, const int isWeak) {27 //printf("_Block_object_assign(%p, %p, %d) called\n", destAddr, object, isWeak);28 AssignCalled = 1;29}30 31void _Block_object_dispose(const void *object, const int isWeak) {32 //printf("_Block_object_dispose(%p, %d) called\n", object, isWeak);33 DisposeCalled = 1;34}35 36struct MyStruct {37 long isa;38 long field;39};40 41typedef struct MyStruct *__attribute__((NSObject)) MyStruct_t;42 43int main(int argc, char *argv[]) {44 // create a block45 struct MyStruct X;46 MyStruct_t xp = (MyStruct_t)&X;47 xp->field = 10;48 void (^myBlock)(void) = ^{ printf("field is %ld\n", xp->field); };49 // should be a copy helper generated with a calls to above routines50 // Lets find out!51 struct Block_layout *bl = (struct Block_layout *)(void *)myBlock;52 if ((bl->flags & BLOCK_HAS_DESCRIPTOR) != BLOCK_HAS_DESCRIPTOR) {53 printf("using old runtime layout!\n");54 return 1;55 }56 if ((bl->flags & BLOCK_HAS_COPY_DISPOSE) != BLOCK_HAS_COPY_DISPOSE) {57 printf("no copy dispose!!!!\n");58 return 1;59 }60 // call helper routines directly. These will, in turn, we hope, call the stubs above61 long destBuffer[256];62 //printf("destbuffer is at %p, block at %p\n", destBuffer, (void *)bl);63 //printf("dump is %s\n", _Block_dump(myBlock));64 bl->descriptor->copy(destBuffer, bl);65 bl->descriptor->dispose(bl);66 if (AssignCalled == 0) {67 printf("did not call assign helper!\n");68 return 1;69 }70 if (DisposeCalled == 0) {71 printf("did not call dispose helper\n");72 return 1;73 }74 printf("%s: Success!\n", argv[0]);75 return 0;76}77