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d410da3564
VALGRIND_DISABLE_ADDR_ERROR_REPORTING_IN_RANGE and VALGRIND_ENABLE_ADDR_ERROR_REPORTING_IN_RANGE and supporting machinery for managing whole-address-space sparse mappings. n-i-bz. In support of https://bugzilla.mozilla.org/show_bug.cgi?id=970643 git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13884
42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
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/* Check some aspects of the use of the
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VALGRIND_ENABLE_ADDR_ERROR_REPORTING_IN_RANGE and
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VALGRIND_DISABLE_ADDR_ERROR_REPORTING_IN_RANGE macros. */
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#include <stdio.h>
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#include <stdlib.h>
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#include "../memcheck.h"
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int main ( void )
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{
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volatile int* volatile mem
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= (volatile int* volatile)malloc(1000 * sizeof(int));
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free((void*)mem);
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// Check that we get an invalid access complaint
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fprintf(stderr, "\nDoing invalid access. Expect complaint.\n\n");
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mem[123] = 0;
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// Now disable error reporting in the range
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fprintf(stderr, "\nDisabling address error reporting for the range.\n\n");
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VALGRIND_DISABLE_ADDR_ERROR_REPORTING_IN_RANGE(mem, 1000 * sizeof(int));
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// Check that we get an invalid access complaint
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fprintf(stderr, "\nDoing invalid another access. Expect no complaint.\n\n");
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mem[456] = 0;
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// Re-enable reporting on the first byte of one word from the ignore range
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fprintf(stderr, "\nPartially reenabling address error reporting.\n\n");
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VALGRIND_ENABLE_ADDR_ERROR_REPORTING_IN_RANGE(&mem[789], 1);
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// Check that we get an invalid access complaint
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fprintf(stderr, "\nDoing a third access. Expect complaint.\n\n");
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mem[789] = 0;
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// And now quit and expect to see a warning about two remaining ranges
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fprintf(stderr, "\nExiting. Expect warnings of 2 remaining ranges.\n\n");
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return 0;
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}
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