| 1 | // RUN: %clang_dfsan %s -fsanitize-ignorelist=%S/Inputs/flags_abilist.txt -mllvm -dfsan-debug-nonzero-labels -o %t && DFSAN_OPTIONS=warn_unimplemented=1 %run %t 2>&1 | FileCheck %s |
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| 2 | // RUN: %clang_dfsan %s -fsanitize-ignorelist=%S/Inputs/flags_abilist.txt -mllvm -dfsan-debug-nonzero-labels -o %t && DFSAN_OPTIONS=warn_unimplemented=0 %run %t 2>&1 | count 0 |
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| 3 | // RUN: %clang_dfsan %s -fsanitize-ignorelist=%S/Inputs/flags_abilist.txt -mllvm -dfsan-debug-nonzero-labels -o %t && DFSAN_OPTIONS=warn_nonzero_labels=1 %run %t 2>&1 | FileCheck --check-prefix=CHECK-NONZERO %s |
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| 4 | |
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| 5 | // Tests that flags work correctly. |
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| 6 | |
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| 7 | #include <sanitizer/dfsan_interface.h> |
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| 8 | |
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| 9 | int f(int i) { |
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| 10 | return i; |
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| 11 | } |
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| 12 | |
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| 13 | int main(void) { |
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| 14 | int i = 1; |
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| 15 | dfsan_label i_label = 2; |
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| 16 | dfsan_set_label(label: i_label, addr: &i, size: sizeof(i)); |
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| 17 | |
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| 18 | // CHECK: WARNING: DataFlowSanitizer: call to uninstrumented function f |
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| 19 | // CHECK-NOT: WARNING: DataFlowSanitizer: saw nonzero label |
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| 20 | // CHECK-NONZERO: WARNING: DataFlowSanitizer: saw nonzero label |
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| 21 | f(i); |
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| 22 | |
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| 23 | return 0; |
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| 24 | } |
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| 25 | |
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