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32 lines
806 B
32 lines
806 B
4 months ago
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// Test -fsanitize-coverage=edge,indirect-call,trace-pc
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// RUN: %clangxx_asan -O0 -DTRACE_RT %s -o %t-rt.o -c
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// RUN: %clangxx_asan -O0 -fsanitize-coverage=edge,trace-pc,indirect-calls %s -o %t %t-rt.o
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// RUN: %run %t
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#ifdef TRACE_RT
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int pc_count;
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void *last_callee;
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extern "C" void __sanitizer_cov_trace_pc() {
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pc_count++;
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}
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extern "C" void __sanitizer_cov_trace_pc_indir(void *callee) {
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last_callee = callee;
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}
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#else
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#include <stdio.h>
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#include <assert.h>
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extern int pc_count;
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extern void *last_callee;
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__attribute__((noinline)) void foo() { printf("foo\n"); }
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__attribute__((noinline)) void bar() { printf("bar\n"); }
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int main(int argc, char **argv) {
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void (*f)(void) = argc ? foo : bar;
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int c1 = pc_count;
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f();
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int c2 = pc_count;
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assert(c1 < c2);
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assert(last_callee == foo);
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}
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#endif
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