1 // Test that we can properly report an ODR violation 2 // between an instrumented global and a non-instrumented global. 3 4 // RUN: %clang_asan %s -fPIC -shared -o %t-1.so -DFILE1 5 // RUN: %clang_asan %s -fPIC -shared -o %t-2.so -DFILE2 6 // RUN: %clang_asan %s -fPIE %t-1.so %t-2.so -Wl,-R`pwd` -o %t 7 // RUN: not %run %t 2>&1 | FileCheck %s 8 // 9 // REQUIRES: x86_64-target-arch 10 // 11 // CHECK: The following global variable is not properly aligned. 12 // CHECK: ERROR: AddressSanitizer: odr-violation 13 #if defined(FILE1) 14 __attribute__((aligned(8))) int x; 15 __attribute__((aligned(1))) char y; 16 // The gold linker puts ZZZ at the start of bss (where it is aligned) 17 // unless we have a large alternative like Displace: 18 __attribute__((aligned(1))) char Displace[105]; 19 __attribute__((aligned(1))) char ZZZ[100]; 20 #elif defined(FILE2) 21 int ZZZ = 1; 22 #else 23 extern int ZZZ; 24 int main() { 25 return ZZZ; 26 } 27 #endif 28 29
