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76 lines
2.2 KiB
76 lines
2.2 KiB
4 months ago
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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/*
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* objectassign.c
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* testObjects
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*
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* Created by Blaine Garst on 10/28/08.
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*
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* This just tests that the compiler is issuing the proper helper routines
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* CONFIG C rdar://6175959
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*/
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#include <stdio.h>
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#include <Block_private.h>
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int AssignCalled = 0;
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int DisposeCalled = 0;
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// local copy instead of libSystem.B.dylib copy
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void _Block_object_assign(void *destAddr, const void *object, const int isWeak) {
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//printf("_Block_object_assign(%p, %p, %d) called\n", destAddr, object, isWeak);
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AssignCalled = 1;
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}
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void _Block_object_dispose(const void *object, const int isWeak) {
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//printf("_Block_object_dispose(%p, %d) called\n", object, isWeak);
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DisposeCalled = 1;
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}
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struct MyStruct {
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long isa;
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long field;
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};
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typedef struct MyStruct *__attribute__((NSObject)) MyStruct_t;
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int main(int argc, char *argv[]) {
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if (__APPLE_CC__ < 5627) {
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printf("need compiler version %d, have %d\n", 5627, __APPLE_CC__);
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return 0;
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}
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// create a block
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struct MyStruct X;
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MyStruct_t xp = (MyStruct_t)&X;
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xp->field = 10;
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void (^myBlock)(void) = ^{ printf("field is %ld\n", xp->field); };
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// should be a copy helper generated with a calls to above routines
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// Lets find out!
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struct Block_layout *bl = (struct Block_layout *)(void *)myBlock;
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if ((bl->flags & BLOCK_HAS_COPY_DISPOSE) != BLOCK_HAS_COPY_DISPOSE) {
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printf("no copy dispose!!!!\n");
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return 1;
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}
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// call helper routines directly. These will, in turn, we hope, call the stubs above
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long destBuffer[256];
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//printf("destbuffer is at %p, block at %p\n", destBuffer, (void *)bl);
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//printf("dump is %s\n", _Block_dump(myBlock));
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bl->descriptor->copy(destBuffer, bl);
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bl->descriptor->dispose(bl);
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if (AssignCalled == 0) {
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printf("did not call assign helper!\n");
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return 1;
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}
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if (DisposeCalled == 0) {
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printf("did not call dispose helper\n");
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return 1;
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}
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printf("%s: Success!\n", argv[0]);
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return 0;
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}
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