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150
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1 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fsyntax-only -verify %s
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2 // RUN: %clang_cc1 -triple i386-unknown-linux-gnu -fsyntax-only -verify %s
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3 // RUN: %clang_cc1 -triple x86_64-pc-win32 -fsyntax-only -verify %s
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4 // RUN: %clang_cc1 -triple i386-pc-win32 -fsyntax-only -verify %s
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5 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnux32 -fsyntax-only -verify %s
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207
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6 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fsyntax-only -verify %s -DNOCALLERSAVE=1
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150
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7
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8 struct a {
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9 int b;
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10 };
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11
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12 struct a test __attribute__((interrupt)); // expected-warning {{'interrupt' attribute only applies to non-K&R-style functions}}
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13
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14 __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}}
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15 __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}}
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16 __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}}
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17 __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}}
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18 #ifdef _LP64
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19 // expected-error-re@+6 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned long' type as the second parameter}}
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20 #elif defined(__x86_64__)
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21 // expected-error-re@+4 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned long long' type as the second parameter}}
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22 #else
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23 // expected-error-re@+2 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned int' type as the second parameter}}
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24 #endif
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25 __attribute__((interrupt)) void foo5(void *a, float b) {}
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26 #ifdef _LP64
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27 // expected-error-re@+6 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned long' type as the second parameter}}
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28 #elif defined(__x86_64__)
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29 // expected-error-re@+4 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned long long' type as the second parameter}}
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30 #else
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31 // expected-error-re@+2 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned int' type as the second parameter}}
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32 #endif
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33 __attribute__((interrupt)) void foo6(float *a, int b) {}
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34
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35 #ifdef _LP64
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36 // expected-error-re@+4 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned long' type as the second parameter}}
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37 #elif defined(__x86_64__)
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38 // expected-error-re@+2 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned long long' type as the second parameter}}
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39 #endif
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40 __attribute__((interrupt)) void foo7(int *a, unsigned b) {}
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41 __attribute__((interrupt)) void foo8(int *a) {}
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42
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207
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43 #ifdef _LP64
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44 typedef unsigned long Arg2Type;
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45 #elif defined(__x86_64__)
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46 typedef unsigned long long Arg2Type;
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47 #else
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48 typedef unsigned int Arg2Type;
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49 #endif
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50 #ifndef NOCALLERSAVE
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51 __attribute__((no_caller_saved_registers))
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52 #else
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53 // expected-note@+3 {{'foo9' declared here}}
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54 // expected-warning@+4 {{interrupt service routine should only call a function with attribute 'no_caller_saved_registers'}}
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55 #endif
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56 void foo9(int *a, Arg2Type b) {}
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57 __attribute__((interrupt)) void fooA(int *a, Arg2Type b) {
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58 foo9(a, b);
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59 }
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150
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60 void g(void (*fp)(int *));
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61 int main(int argc, char **argv) {
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62 void *ptr = (void *)&foo7;
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63 g(foo8);
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64
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65 (void)ptr;
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66 #ifndef __x86_64__
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67 // expected-error@+2 {{interrupt service routine cannot be called directly}}
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68 #endif
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69 foo7((int *)argv, argc);
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70 foo8((int *)argv); // expected-error {{interrupt service routine cannot be called directly}}
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71 return 0;
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72 }
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73
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