1 // Test if asan works with prelink. 2 // It does not actually use prelink, but relies on ld's flag -Ttext-segment 3 // or gold's flag -Ttext (we try the first flag first, if that fails we 4 // try the second flag). 5 // 6 // RUN: %clangxx_asan -c %s -o %t.o 7 // RUN: %clangxx_asan -DBUILD_SO=1 -fPIC -shared %s -o %t.so -Wl,-Ttext-segment=0x3600000000 ||\ 8 // RUN: %clangxx_asan -DBUILD_SO=1 -fPIC -shared %s -o %t.so -Wl,-Ttext=0x3600000000 9 // RUN: %clangxx_asan %t.o %t.so -Wl,-R. -o %t 10 // RUN: %env_asan_opts=verbosity=1 %run %t 2>&1 | FileCheck %s 11 12 // GNU driver doesn't handle .so files properly. 13 // REQUIRES: x86_64-target-arch, Clang 14 #if BUILD_SO 15 int G; 16 int *getG() { 17 return &G; 18 } 19 #else 20 #include <stdio.h> 21 extern int *getG(); 22 int main(int argc, char **argv) { 23 long p = (long)getG(); 24 printf("SO mapped at %lx\n", p & ~0xffffffffUL); 25 *getG() = 0; 26 } 27 #endif 28 // CHECK: 0x003000000000, 0x004fffffffff{{.*}} MidMem 29 // CHECK: SO mapped at 3600000000 30
