1 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fsyntax-only -verify %s 2 // RUN: %clang_cc1 -triple i386-unknown-linux-gnu -fsyntax-only -verify %s 3 // RUN: %clang_cc1 -triple x86_64-pc-win32 -fsyntax-only -verify %s 4 // RUN: %clang_cc1 -triple i386-pc-win32 -fsyntax-only -verify %s 5 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnux32 -fsyntax-only -verify %s 6 7 struct 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 13 struct 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 _LP64 20 // 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 #else 24 // expected-error-re@+2 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned int' type as the second parameter}} 25 #endif 26 __attribute__((interrupt)) void foo5(void *a, float b) {} 27 #ifdef _LP64 28 // 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 #else 32 // expected-error-re@+2 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned int' type as the second parameter}} 33 #endif 34 __attribute__((interrupt)) void foo6(float *a, int b) {} 35 36 #ifdef _LP64 37 // 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 #endif 41 __attribute__((interrupt)) void foo7(int *a, unsigned b) {} 42 __attribute__((interrupt)) void foo8(int *a) {} 43 template<typename T> 44 __attribute__((interrupt)) void foo9(T *a) {} 45 46 template <typename T> 47 void bar(T *a) { 48 foo9(a); // expected-error {{interrupt service routine cannot be called directly}} 49 } 50 51 template <typename Fn> 52 void bar1(Fn F) { 53 F(0); 54 } 55 __attribute__((interrupt)) void foo(int *) {} 56 57 void g(void (*fp)(int *)); 58 int 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 #endif 67 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