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
foo1(void)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}}
foo2(void)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}}
foo3(void * a,unsigned b,int c)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}}
foo4(int a)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
foo5(void * a,float b)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
foo6(float * a,int b)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
foo7(int * a,unsigned b)39 __attribute__((interrupt)) void foo7(int *a, unsigned b) {}
foo8(int * a)40 __attribute__((interrupt)) void foo8(int *a) {}
41
42 void g(void (*fp)(int *));
main(int argc,char ** argv)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