| 1 | // Test -fsanitize-coverage=edge,indirect-call,trace-pc |
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| 2 | // RUN: %clangxx_asan -O0 -DTRACE_RT %s -o %t-rt.o -c |
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| 3 | // RUN: %clangxx_asan -O0 -fsanitize-coverage=edge,trace-pc,indirect-calls %s -o %t %t-rt.o |
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| 4 | // RUN: %run %t |
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| 5 | #ifdef TRACE_RT |
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| 6 | int pc_count; |
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| 7 | void *last_callee; |
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| 8 | extern "C" void __sanitizer_cov_trace_pc() { |
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| 9 | pc_count++; |
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| 10 | } |
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| 11 | extern "C" void __sanitizer_cov_trace_pc_indir(void *callee) { |
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| 12 | last_callee = callee; |
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| 13 | } |
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| 14 | #else |
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| 15 | #include <stdio.h> |
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| 16 | #include <assert.h> |
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| 17 | extern int pc_count; |
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| 18 | extern void *last_callee; |
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| 19 | |
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| 20 | __attribute__((noinline)) void foo() { printf(format: "foo\n" ); } |
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| 21 | __attribute__((noinline)) void bar() { printf(format: "bar\n" ); } |
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| 22 | |
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| 23 | int main(int argc, char **argv) { |
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| 24 | void (*f)(void) = argc ? foo : bar; |
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| 25 | int c1 = pc_count; |
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| 26 | f(); |
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| 27 | int c2 = pc_count; |
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| 28 | assert(c1 < c2); |
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| 29 | assert(last_callee == foo); |
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| 30 | } |
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| 31 | #endif |
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| 32 | |
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