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| //
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
/*
* objectassign.c
* testObjects
*
* Created by Blaine Garst on 10/28/08.
*
* This just tests that the compiler is issuing the proper helper routines
* CONFIG 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[]) {
if (__APPLE_CC__ < 5627) {
printf("need compiler version %d, have %d\n", 5627, __APPLE_CC__);
return 0;
}
// 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_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;
}
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