| 1 | // Check that cross-DSO diagnostics print the names of both modules |
|---|
| 2 | |
|---|
| 3 | // RUN: %clangxx_cfi_diag -g -DSHARED_LIB -fPIC -shared -o %dynamiclib %s %ld_flags_rpath_so |
|---|
| 4 | // RUN: %clangxx_cfi_diag -g -o %t_exe_suffix %s %ld_flags_rpath_exe |
|---|
| 5 | // RUN: %t_exe_suffix 2>&1 | FileCheck -DDSONAME=%xdynamiclib_namespec %s |
|---|
| 6 | |
|---|
| 7 | // UNSUPPORTED: target={{.*windows-msvc.*}} |
|---|
| 8 | // REQUIRES: cxxabi |
|---|
| 9 | |
|---|
| 10 | #include <dlfcn.h> |
|---|
| 11 | #include <stdio.h> |
|---|
| 12 | |
|---|
| 13 | struct S1 { |
|---|
| 14 | virtual void f1(); |
|---|
| 15 | }; |
|---|
| 16 | |
|---|
| 17 | #ifdef SHARED_LIB |
|---|
| 18 | |
|---|
| 19 | void S1::f1() {} |
|---|
| 20 | |
|---|
| 21 | __attribute__((visibility("default" ))) extern "C" |
|---|
| 22 | void* dso_symbol() { return new S1(); } |
|---|
| 23 | |
|---|
| 24 | #else |
|---|
| 25 | |
|---|
| 26 | int main() { |
|---|
| 27 | void* (*fp)(void) = |
|---|
| 28 | reinterpret_cast<void*(*)(void)>(dlsym(RTLD_DEFAULT, name: "dso_symbol" )); |
|---|
| 29 | if (!fp) { |
|---|
| 30 | perror(s: "failed to resolve dso_symbol" ); |
|---|
| 31 | return 1; |
|---|
| 32 | } |
|---|
| 33 | |
|---|
| 34 | // CHECK: runtime error: control flow integrity check for type 'void *()' failed during indirect function call |
|---|
| 35 | // CHECK: dso_symbol defined here |
|---|
| 36 | // CHECK: check failed in {{.*}}_exe_suffix, destination function located in {{.*}}[[DSONAME]] |
|---|
| 37 | void *S = fp(); // trigger cfi-icall failure |
|---|
| 38 | |
|---|
| 39 | // CHECK: runtime error: control flow integrity check for type 'S1' failed during cast to unrelated type |
|---|
| 40 | // CHECK: invalid vtable |
|---|
| 41 | // CHECK: check failed in {{.*}}_exe_suffix, vtable located in {{.*}}[[DSONAME]] |
|---|
| 42 | S1 *Scast = reinterpret_cast<S1*>(S); // trigger cfi-unrelated-cast failure |
|---|
| 43 | |
|---|
| 44 | return 0; |
|---|
| 45 | } |
|---|
| 46 | |
|---|
| 47 | #endif // SHARED_LIB |
|---|
| 48 | |
|---|
