forked from OSchip/llvm-project
74 lines
3.8 KiB
C
74 lines
3.8 KiB
C
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fsyntax-only -verify %s
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// RUN: %clang_cc1 -triple i386-unknown-linux-gnu -fsyntax-only -verify %s
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// RUN: %clang_cc1 -triple x86_64-pc-win32 -fsyntax-only -verify %s
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// RUN: %clang_cc1 -triple i386-pc-win32 -fsyntax-only -verify %s
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnux32 -fsyntax-only -verify %s
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fsyntax-only -verify %s -DNOCALLERSAVE=1
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struct a {
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int b;
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};
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struct a test __attribute__((interrupt)); // expected-warning {{'interrupt' attribute only applies to non-K&R-style functions}}
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__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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__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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__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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__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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#ifdef _LP64
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// 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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#elif defined(__x86_64__)
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// 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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#else
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// 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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#endif
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__attribute__((interrupt)) void foo5(void *a, float b) {}
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#ifdef _LP64
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// 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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#elif defined(__x86_64__)
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// 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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#else
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// 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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#endif
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__attribute__((interrupt)) void foo6(float *a, int b) {}
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#ifdef _LP64
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// 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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#elif defined(__x86_64__)
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// 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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#endif
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__attribute__((interrupt)) void foo7(int *a, unsigned b) {}
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__attribute__((interrupt)) void foo8(int *a) {}
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#ifdef _LP64
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typedef unsigned long Arg2Type;
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#elif defined(__x86_64__)
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typedef unsigned long long Arg2Type;
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#else
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typedef unsigned int Arg2Type;
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#endif
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#ifndef NOCALLERSAVE
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__attribute__((no_caller_saved_registers))
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#else
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// expected-note@+3 {{'foo9' declared here}}
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// expected-warning@+4 {{interrupt service routine should only call a function with attribute 'no_caller_saved_registers'}}
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#endif
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void foo9(int *a, Arg2Type b) {}
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__attribute__((interrupt)) void fooA(int *a, Arg2Type b) {
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foo9(a, b);
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}
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void g(void (*fp)(int *));
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int main(int argc, char **argv) {
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void *ptr = (void *)&foo7;
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g(foo8);
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(void)ptr;
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#ifndef __x86_64__
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// expected-error@+2 {{interrupt service routine cannot be called directly}}
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#endif
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foo7((int *)argv, argc);
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foo8((int *)argv); // expected-error {{interrupt service routine cannot be called directly}}
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return 0;
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}
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