| 1 | // RUN: %clang_dfsan %s -o %t |
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| 2 | // RUN: %run %t |
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| 3 | // |
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| 4 | #include <sanitizer/dfsan_interface.h> |
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| 5 | |
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| 6 | #include <assert.h> |
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| 7 | #include <stdio.h> |
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| 8 | #include <string.h> |
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| 9 | |
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| 10 | int foo(int a, int b) { |
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| 11 | return a + b; |
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| 12 | } |
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| 13 | |
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| 14 | int main(int argc, char *argv[]) { |
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| 15 | int a = 10; |
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| 16 | int b = 20; |
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| 17 | dfsan_set_label(label: 8, addr: &a, size: sizeof(a)); |
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| 18 | dfsan_set_label(label: 128, addr: &b, size: sizeof(b)); |
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| 19 | int c = foo(a, b); |
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| 20 | printf(format: "A: 0x%x\n" , dfsan_get_label(data: a)); |
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| 21 | printf(format: "B: 0x%x\n" , dfsan_get_label(data: b)); |
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| 22 | dfsan_label l = dfsan_get_label(data: c); |
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| 23 | printf(format: "C: 0x%x\n" , l); |
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| 24 | assert(l == 136); // OR of the other two labels. |
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| 25 | } |
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| 26 | |
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