73 lines · cpp
1// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fsyntax-only -verify %s2// RUN: %clang_cc1 -triple i386-unknown-linux-gnu -fsyntax-only -verify %s3// RUN: %clang_cc1 -triple x86_64-pc-win32 -fsyntax-only -verify %s4// RUN: %clang_cc1 -triple i386-pc-win32 -fsyntax-only -verify %s5// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnux32 -fsyntax-only -verify %s6 7struct a {8 int b;9 static void foo(int *a) __attribute__((interrupt)) {}10 void *operator new(__SIZE_TYPE__) throw() __attribute__((interrupt)) { return 0; } // expected-warning {{'interrupt' attribute only applies to non-K&R-style functions}}11};12 13struct a test __attribute__((interrupt)); // expected-warning {{'interrupt' attribute only applies to non-K&R-style functions}}14 15__attribute__((interrupt)) int foo1(void) { return 0; } // expected-error-re {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'void' return type}}16__attribute__((interrupt)) void foo2(void) {} // expected-error-re {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have only a pointer parameter optionally followed by an integer parameter}}17__attribute__((interrupt)) void foo3(void *a, unsigned b, int c) {} // expected-error-re {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have only a pointer parameter optionally followed by an integer parameter}}18__attribute__((interrupt)) void foo4(int a) {} // expected-error-re {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a pointer as the first parameter}}19#ifdef _LP6420// expected-error-re@+6 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned long' type as the second parameter}}21#elif defined(__x86_64__)22// expected-error-re@+4 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned long long' type as the second parameter}}23#else24// expected-error-re@+2 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned int' type as the second parameter}}25#endif26__attribute__((interrupt)) void foo5(void *a, float b) {}27#ifdef _LP6428// expected-error-re@+6 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned long' type as the second parameter}}29#elif defined(__x86_64__)30// expected-error-re@+4 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned long long' type as the second parameter}}31#else32// expected-error-re@+2 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned int' type as the second parameter}}33#endif34__attribute__((interrupt)) void foo6(float *a, int b) {}35 36#ifdef _LP6437// expected-error-re@+4 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned long' type as the second parameter}}38#elif defined(__x86_64__)39// expected-error-re@+2 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned long long' type as the second parameter}}40#endif41__attribute__((interrupt)) void foo7(int *a, unsigned b) {}42__attribute__((interrupt)) void foo8(int *a) {}43template<typename T>44__attribute__((interrupt)) void foo9(T *a) {}45 46template <typename T>47void bar(T *a) {48 foo9(a); // expected-error {{interrupt service routine cannot be called directly}}49}50 51template <typename Fn>52void bar1(Fn F) {53 F(0);54}55__attribute__((interrupt)) void foo(int *) {}56 57void g(void (*fp)(int *));58int main(int argc, char **argv) {59 void *ptr = (void *)&foo7;60 g(foo8);61 (void)ptr;62 a::foo(ptr); // expected-error {{interrupt service routine cannot be called directly}}63 bar1(foo);64#ifndef __x86_64__65 // expected-error@+2 {{interrupt service routine cannot be called directly}}66#endif67 foo7((int *)argv, argc);68 foo8((int *)argv); // expected-error {{interrupt service routine cannot be called directly}}69 bar(argv); // expected-note {{in instantiation of function template specialization 'bar<char *>' requested here}}70 return 0;71}72 73