derek.holloway
7502bf64a4
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43 lines
1.1 KiB
C++
43 lines
1.1 KiB
C++
// RUN: %clangxx_msan -DERROR %s -o %t && not %run %t 2>&1 | \
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// RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-NOCB
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// RUN: %clangxx_msan -DERROR -DMSANCB_SET %s -o %t && not %run %t 2>&1 | \
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// RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-CB
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// RUN: %clangxx_msan -DERROR -DMSANCB_SET -DMSANCB_CLEAR %s -o %t && not %run %t 2>&1 | \
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// RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-NOCB
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// RUN: %clangxx_msan -DMSANCB_SET %s -o %t && %run %t 2>&1 | \
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// RUN: FileCheck %s --check-prefixes=SUCCEED,CHECK-NOCB
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#include <sanitizer/msan_interface.h>
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#include <stdio.h>
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#include <stdlib.h>
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void cb(void) {
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fprintf(stderr, "msan-death-callback\n");
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}
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int main(int argc, char **argv) {
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int *volatile p = (int *)malloc(sizeof(int));
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*p = 42;
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free(p);
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#ifdef MSANCB_SET
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__msan_set_death_callback(cb);
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#endif
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#ifdef MSANCB_CLEAR
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__msan_set_death_callback(0);
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#endif
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#ifdef ERROR
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if (*p)
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exit(0);
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#endif
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// CHECK-CB: msan-death-callback
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// CHECK-NOCB-NOT: msan-death-callback
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// CHECK-NOT: done
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// SUCCEED: done
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fprintf(stderr, "done\n");
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return 0;
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}
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