forked from OSchip/llvm-project
48 lines
1.3 KiB
C++
48 lines
1.3 KiB
C++
// Check that cross-DSO diagnostics print the names of both modules
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// RUN: %clangxx_cfi_diag -g -DSHARED_LIB -fPIC -shared -o %dynamiclib %s %ld_flags_rpath_so
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// RUN: %clangxx_cfi_diag -g -o %t_exe_suffix %s %ld_flags_rpath_exe
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// RUN: %t_exe_suffix 2>&1 | FileCheck -DDSONAME=%xdynamiclib_namespec %s
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// UNSUPPORTED: windows-msvc
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// REQUIRES: cxxabi
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#include <dlfcn.h>
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#include <stdio.h>
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struct S1 {
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virtual void f1();
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};
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#ifdef SHARED_LIB
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void S1::f1() {}
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__attribute__((visibility("default"))) extern "C"
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void* dso_symbol() { return new S1(); }
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#else
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int main() {
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void* (*fp)(void) =
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reinterpret_cast<void*(*)(void)>(dlsym(RTLD_DEFAULT, "dso_symbol"));
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if (!fp) {
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perror("failed to resolve dso_symbol");
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return 1;
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}
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// CHECK: runtime error: control flow integrity check for type 'void *()' failed during indirect function call
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// CHECK: dso_symbol defined here
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// CHECK: check failed in {{.*}}_exe_suffix, destination function located in {{.*}}[[DSONAME]]
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void *S = fp(); // trigger cfi-icall failure
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// CHECK: runtime error: control flow integrity check for type 'S1' failed during cast to unrelated type
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// CHECK: invalid vtable
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// CHECK: check failed in {{.*}}_exe_suffix, vtable located in {{.*}}[[DSONAME]]
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S1 *Scast = reinterpret_cast<S1*>(S); // trigger cfi-unrelated-cast failure
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return 0;
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}
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#endif // SHARED_LIB
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