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132 lines
3.1 KiB
132 lines
3.1 KiB
/*
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* Copyright 2002-2019 Intel Corporation.
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*
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* This software is provided to you as Sample Source Code as defined in the accompanying
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* End User License Agreement for the Intel(R) Software Development Products ("Agreement")
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* section 1.L.
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*
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* This software and the related documents are provided as is, with no express or implied
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* warranties, other than those that are expressly stated in the License.
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*/
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/*
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* This test verifies that the functionality of realloc() function. It
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* also verifies that the memory allocated by realloc() can be freed by
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* Pin's free() function.
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*/
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#include <iostream>
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#include <vector>
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#include <stdlib.h>
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#include "pin.H"
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using std::dec;
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using std::hex;
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extern "C" void *memalign(size_t, size_t);
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extern "C" void *realloc(void *, size_t);
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static BOOL TestRealloc(void *, size_t);
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int main(int argc, char * argv[])
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{
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PIN_Init(argc, argv);
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// Test realloc to larger and smaller sizes
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void * ptr1 = malloc(20);
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if (ptr1 == NULL)
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{
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std::cerr << "Malloc failed\n";
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exit(-1);
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}
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std::cerr << "Malloc : " << hex << ptr1 << dec << std::endl;
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if (TestRealloc(ptr1, 20))
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{
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std::cerr << "Realloc of simple malloc failed\n";
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return -1;
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}
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// Test realloc of small chunk aligned at small value
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void * ptr2 = memalign(32, 400);
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if (ptr2 == NULL)
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{
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std::cerr << "Memalign failed\n";
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exit(-1);
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}
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std::cerr << "Memalign : " << hex << ptr2 << dec << std::endl;
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if (TestRealloc(ptr2, 400))
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{
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std::cerr << "Realloc of small chunk aligned at small boundary failed\n";
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return -1;
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}
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// Test realloc of small chunk aligned at large value
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void * ptr3 = memalign(2048, 400);
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if (ptr3 == NULL)
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{
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std::cerr << "Memalign failed\n";
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exit(-1);
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}
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std::cerr << "Memalign : " << hex << ptr3 << dec << std::endl;
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if (TestRealloc(ptr3, 400))
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{
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std::cerr << "Realloc of small chunk aligned at large boundary failed\n";
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return -1;
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}
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// Test realloc of large chunk aligned at large value
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void * ptr4 = memalign(2048, 400000);
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if (ptr4 == NULL)
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{
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std::cerr << "Memalign failed\n";
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exit(-1);
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}
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std::cerr << "Memalign : " << hex << ptr4 << dec << std::endl;
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if (TestRealloc(ptr4, 400000))
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{
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std::cerr << "Realloc of large chunk aligned at large boundary failed\n";
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return -1;
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}
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// Never returns
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PIN_StartProgram();
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}
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BOOL TestRealloc(void * ptr, size_t sz)
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{
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// Reallocate ptr to a larger size
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void * tmp = realloc(ptr, sz+21000);
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if (tmp == NULL)
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{
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std::cerr << "Realloc to larger size failed\n";
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return 1;
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}
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ptr = tmp;
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std::cerr << "Realloc to larger size : " << hex << ptr << dec << std::endl;
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// Reallocate ptr to a half the original size
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tmp = realloc(ptr, sz/2);
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if (tmp == NULL)
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{
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std::cerr << "Realloc to smaller size failed\n";
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return 1;
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}
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ptr = tmp;
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std::cerr << "Realloc to smaller size : " << hex << ptr << dec << std::endl;
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free(ptr);
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return 0;
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}
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