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 * objectassign.c 9 * testObjects 10 * 11 * Created by Blaine Garst on 10/28/08. 12 * 13 * This just tests that the compiler is issuing the proper helper routines 14 * CONFIG C rdar://6175959 15 */ 16 17 18 #include <stdio.h> 19 #include <Block_private.h> 20 21 22 int AssignCalled = 0; 23 int DisposeCalled = 0; 24 25 // local copy instead of libSystem.B.dylib copy 26 void _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 31 void _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 36 struct MyStruct { 37 long isa; 38 long field; 39 }; 40 41 typedef struct MyStruct *__attribute__((NSObject)) MyStruct_t; 42 43 int main(int argc, char *argv[]) { 44 if (__APPLE_CC__ < 5627) { 45 printf("need compiler version %d, have %d\n", 5627, __APPLE_CC__); 46 return 0; 47 } 48 // create a block 49 struct MyStruct X; 50 MyStruct_t xp = (MyStruct_t)&X; 51 xp->field = 10; 52 void (^myBlock)(void) = ^{ printf("field is %ld\n", xp->field); }; 53 // should be a copy helper generated with a calls to above routines 54 // Lets find out! 55 struct Block_layout *bl = (struct Block_layout *)(void *)myBlock; 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 above 61 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
