diff options
Diffstat (limited to 'clang/test/Sema/attr-x86-interrupt.c')
| -rw-r--r-- | clang/test/Sema/attr-x86-interrupt.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/clang/test/Sema/attr-x86-interrupt.c b/clang/test/Sema/attr-x86-interrupt.c new file mode 100644 index 00000000000..0785fdfcb1b --- /dev/null +++ b/clang/test/Sema/attr-x86-interrupt.c @@ -0,0 +1,55 @@ +// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fsyntax-only -verify %s +// RUN: %clang_cc1 -triple i386-unknown-linux-gnu -fsyntax-only -verify %s +// RUN: %clang_cc1 -triple x86_64-pc-win32 -fsyntax-only -verify %s +// RUN: %clang_cc1 -triple i386-pc-win32 -fsyntax-only -verify %s +// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnux32 -fsyntax-only -verify %s + +struct a { + int b; +}; + +struct a test __attribute__((interrupt)); // expected-warning {{'interrupt' attribute only applies to non-K&R-style functions}} + +__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}} +__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}} +__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}} +__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}} +#ifdef _LP64 +// expected-error-re@+6 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned long' type as the second parameter}} +#elif defined(__x86_64__) +// expected-error-re@+4 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned long long' type as the second parameter}} +#else +// expected-error-re@+2 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned int' type as the second parameter}} +#endif +__attribute__((interrupt)) void foo5(void *a, float b) {} +#ifdef _LP64 +// expected-error-re@+6 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned long' type as the second parameter}} +#elif defined(__x86_64__) +// expected-error-re@+4 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned long long' type as the second parameter}} +#else +// expected-error-re@+2 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned int' type as the second parameter}} +#endif +__attribute__((interrupt)) void foo6(float *a, int b) {} + +#ifdef _LP64 +// expected-error-re@+4 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned long' type as the second parameter}} +#elif defined(__x86_64__) +// expected-error-re@+2 {{{{(x86|x86-64)}} 'interrupt' attribute only applies to functions that have a 'unsigned long long' type as the second parameter}} +#endif +__attribute__((interrupt)) void foo7(int *a, unsigned b) {} +__attribute__((interrupt)) void foo8(int *a) {} + +void g(void (*fp)(int *)); +int main(int argc, char **argv) { + void *ptr = (void *)&foo7; + g(foo8); + + (void)ptr; +#ifndef __x86_64__ + // expected-error@+2 {{interrupt service routine cannot be called directly}} +#endif + foo7((int *)argv, argc); + foo8((int *)argv); // expected-error {{interrupt service routine cannot be called directly}} + return 0; +} + |
