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 }; 10 11 struct a test __attribute__((interrupt)); // expected-warning {{'interrupt' attribute only applies to non-K&R-style functions}} 12 13 __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}} 14 __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}} 15 __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}} 16 __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}} 17 #ifdef _LP64 18 // expected-error-re@+6 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned long' type as the second parameter}} 19 #elif defined(__x86_64__) 20 // expected-error-re@+4 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned long long' type as the second parameter}} 21 #else 22 // expected-error-re@+2 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned int' type as the second parameter}} 23 #endif 24 __attribute__((interrupt)) void foo5(void *a, float b) {} 25 #ifdef _LP64 26 // expected-error-re@+6 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned long' type as the second parameter}} 27 #elif defined(__x86_64__) 28 // expected-error-re@+4 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned long long' type as the second parameter}} 29 #else 30 // expected-error-re@+2 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned int' type as the second parameter}} 31 #endif 32 __attribute__((interrupt)) void foo6(float *a, int b) {} 33 34 #ifdef _LP64 35 // expected-error-re@+4 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned long' type as the second parameter}} 36 #elif defined(__x86_64__) 37 // expected-error-re@+2 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned long long' type as the second parameter}} 38 #endif 39 __attribute__((interrupt)) void foo7(int *a, unsigned b) {} 40 __attribute__((interrupt)) void foo8(int *a) {} 41 42 void g(void (*fp)(int *)); 43 int main(int argc, char **argv) { 44 void *ptr = (void *)&foo7; 45 g(foo8); 46 47 (void)ptr; 48 #ifndef __x86_64__ 49 // expected-error@+2 {{interrupt service routine cannot be called directly}} 50 #endif 51 foo7((int *)argv, argc); 52 foo8((int *)argv); // expected-error {{interrupt service routine cannot be called directly}} 53 return 0; 54 } 55 56
