1 // 2 // The LLVM Compiler Infrastructure 3 // 4 // This file is distributed under the University of Illinois Open Source 5 // License. See LICENSE.TXT for details. 6 7 /* 8 * objectRRGC.c 9 * testObjects 10 * 11 * Created by Blaine Garst on 10/31/08. 12 * 13 * Test that the runtime honors the new callouts properly for retain/release and GC 14 * CON FIG C rdar://6175959 15 */ 16 17 18 19 #include <stdio.h> 20 #include <Block_private.h> 21 22 23 int AssignCalled = 0; 24 int DisposeCalled = 0; 25 26 // local copy instead of libSystem.B.dylib copy 27 void _Block_object_assign(void *destAddr, const void *object, const int isWeak) { 28 //printf("_Block_object_assign(%p, %p, %d) called\n", destAddr, object, isWeak); 29 AssignCalled = 1; 30 } 31 32 void _Block_object_dispose(const void *object, const int isWeak) { 33 //printf("_Block_object_dispose(%p, %d) called\n", object, isWeak); 34 DisposeCalled = 1; 35 } 36 37 struct MyStruct { 38 long isa; 39 long field; 40 }; 41 42 typedef struct MyStruct *__attribute__((NSObject)) MyStruct_t; 43 44 int main(int argc, char *argv[]) { 45 // create a block 46 struct MyStruct X; 47 MyStruct_t xp = (MyStruct_t)&X; 48 xp->field = 10; 49 void (^myBlock)(void) = ^{ printf("field is %ld\n", xp->field); }; 50 // should be a copy helper generated with a calls to above routines 51 // Lets find out! 52 struct Block_layout *bl = (struct Block_layout *)(void *)myBlock; 53 if ((bl->flags & BLOCK_HAS_DESCRIPTOR) != BLOCK_HAS_DESCRIPTOR) { 54 printf("using old runtime layout!\n"); 55 return 1; 56 } 57 if ((bl->flags & BLOCK_HAS_COPY_DISPOSE) != BLOCK_HAS_COPY_DISPOSE) { 58 printf("no copy dispose!!!!\n"); 59 return 1; 60 } 61 // call helper routines directly. These will, in turn, we hope, call the stubs above 62 long destBuffer[256]; 63 //printf("destbuffer is at %p, block at %p\n", destBuffer, (void *)bl); 64 //printf("dump is %s\n", _Block_dump(myBlock)); 65 bl->descriptor->copy(destBuffer, bl); 66 bl->descriptor->dispose(bl); 67 if (AssignCalled == 0) { 68 printf("did not call assign helper!\n"); 69 return 1; 70 } 71 if (DisposeCalled == 0) { 72 printf("did not call dispose helper\n"); 73 return 1; 74 } 75 printf("%s: Success!\n", argv[0]); 76 return 0; 77 } 78
