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
_Block_object_assign(void * destAddr,const void * object,const int isWeak)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
_Block_object_dispose(const void * object,const int isWeak)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
main(int argc,char * argv[])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