1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
/*
* 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 <stdio.h>
#include <Block_private.h>
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;
}
|
