1 // RUN: %clangxx_cfi_dso -DSHARED_LIB -fPIC -g -fsanitize-stats -shared -o %t.so %s 2 // RUN: %clangxx_cfi_dso -g -fsanitize-stats -o %t %s %t.so 3 // RUN: env SANITIZER_STATS_PATH=%t.stats %t 4 // RUN: sanstats %t.stats | FileCheck %s 5 6 // CFI-icall is not implemented in thinlto mode => ".cfi" suffixes are missing 7 // in sanstats output. 8 // XFAIL: thinlto 9 10 struct ABase {}; 11 12 struct A : ABase { 13 virtual void vf() {} 14 void nvf() {} 15 }; 16 17 extern "C" void vcall(A *a); 18 extern "C" void nvcall(A *a); 19 20 #ifdef SHARED_LIB 21 22 extern "C" __attribute__((noinline)) void vcall(A *a) { 23 // CHECK: stats.cpp:[[@LINE+1]] vcall.cfi cfi-vcall 37 24 a->vf(); 25 } 26 27 extern "C" __attribute__((noinline)) void nvcall(A *a) { 28 // CHECK: stats.cpp:[[@LINE+1]] nvcall.cfi cfi-nvcall 51 29 a->nvf(); 30 } 31 32 #else 33 34 extern "C" __attribute__((noinline)) A *dcast(A *a) { 35 // CHECK: stats.cpp:[[@LINE+1]] dcast.cfi cfi-derived-cast 24 36 return (A *)(ABase *)a; 37 } 38 39 extern "C" __attribute__((noinline)) A *ucast(A *a) { 40 // CHECK: stats.cpp:[[@LINE+1]] ucast.cfi cfi-unrelated-cast 81 41 return (A *)(char *)a; 42 } 43 44 extern "C" __attribute__((noinline)) void unreachable(A *a) { 45 // CHECK-NOT: unreachable 46 a->vf(); 47 } 48 49 int main() { 50 A a; 51 for (unsigned i = 0; i != 37; ++i) 52 vcall(&a); 53 for (unsigned i = 0; i != 51; ++i) 54 nvcall(&a); 55 for (unsigned i = 0; i != 24; ++i) 56 dcast(&a); 57 for (unsigned i = 0; i != 81; ++i) 58 ucast(&a); 59 for (unsigned i = 0; i != 0; ++i) 60 unreachable(&a); 61 } 62 63 #endif 64