// // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception /* * objectRRGC.c * testObjects * * Created by Blaine Garst on 10/31/08. * * Test that the runtime honors the new callouts properly for retain/release and GC * CON FIG C rdar://6175959 */ #include #include int AssignCalled = 0; int DisposeCalled = 0; // local copy instead of libSystem.B.dylib copy void _Block_object_assign(void *destAddr, const void *object, const int isWeak) { //printf("_Block_object_assign(%p, %p, %d) called\n", destAddr, object, isWeak); AssignCalled = 1; } void _Block_object_dispose(const void *object, const int isWeak) { //printf("_Block_object_dispose(%p, %d) called\n", object, isWeak); DisposeCalled = 1; } struct MyStruct { long isa; long field; }; typedef struct MyStruct *__attribute__((NSObject)) MyStruct_t; int main(int argc, char *argv[]) { // create a block struct MyStruct X; MyStruct_t xp = (MyStruct_t)&X; xp->field = 10; void (^myBlock)(void) = ^{ printf("field is %ld\n", xp->field); }; // should be a copy helper generated with a calls to above routines // Lets find out! struct Block_layout *bl = (struct Block_layout *)(void *)myBlock; if ((bl->flags & BLOCK_HAS_DESCRIPTOR) != BLOCK_HAS_DESCRIPTOR) { printf("using old runtime layout!\n"); return 1; } if ((bl->flags & BLOCK_HAS_COPY_DISPOSE) != BLOCK_HAS_COPY_DISPOSE) { printf("no copy dispose!!!!\n"); return 1; } // call helper routines directly. These will, in turn, we hope, call the stubs above long destBuffer[256]; //printf("destbuffer is at %p, block at %p\n", destBuffer, (void *)bl); //printf("dump is %s\n", _Block_dump(myBlock)); bl->descriptor->copy(destBuffer, bl); bl->descriptor->dispose(bl); if (AssignCalled == 0) { printf("did not call assign helper!\n"); return 1; } if (DisposeCalled == 0) { printf("did not call dispose helper\n"); return 1; } printf("%s: Success!\n", argv[0]); return 0; }