forked from OSchip/llvm-project
33 lines
697 B
C
33 lines
697 B
C
// RUN: %clang_dfsan %s -fsanitize-ignorelist=%S/Inputs/flags_abilist.txt -DFORCE_ZERO_LABELS -o %t && %run %t
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// RUN: %clang_dfsan %s -o %t && %run %t
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//
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// REQUIRES: x86_64-target-arch
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#include <sanitizer/dfsan_interface.h>
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#include <assert.h>
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int function_to_force_zero(int i, int* out) {
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*out = i;
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return i;
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}
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int main(void) {
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int i = 1;
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dfsan_label i_label = 2;
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dfsan_set_label(i_label, &i, sizeof(i));
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int out = 0;
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int ret = function_to_force_zero(i, &out);
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#ifdef FORCE_ZERO_LABELS
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assert(dfsan_get_label(out) == 0);
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assert(dfsan_get_label(ret) == 0);
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#else
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assert(dfsan_get_label(out) == i_label);
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assert(dfsan_get_label(ret) == i_label);
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#endif
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return 0;
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}
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