Blaine Garst | 86d0ba4 | 2010-08-04 23:34:21 +0000 | [diff] [blame] | 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 | } |