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: ASAN_OPTIONS=verbosity=1 %run %t 2>&1 | FileCheck %s
11
12// GNU driver doesn't handle .so files properly.
13// REQUIRES: x86_64-supported-target, asan-64-bits, Clang
14#if BUILD_SO
15int G;
16int *getG() {
17  return &G;
18}
19#else
20#include <stdio.h>
21extern int *getG();
22int 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