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170b9caf33
1. interrupt/signal handlers can not have parameters 2. interrupt/signal handlers must be 'void' type
23 lines
1.1 KiB
C
23 lines
1.1 KiB
C
// RUN: %clang_cc1 %s -triple avr-unknown-unknown -verify -fsyntax-only
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struct a { int b; };
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struct a test __attribute__((interrupt)); // expected-warning {{'interrupt' attribute only applies to functions}}
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__attribute__((interrupt(12))) void foo(void) { } // expected-error {{'interrupt' attribute takes no arguments}}
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__attribute__((interrupt)) int fooa(void) { return 0; } // expected-warning {{'interrupt' attribute only applies to functions that have a 'void' return type}}
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__attribute__((interrupt)) void foob(int a) {} // expected-warning {{'interrupt' attribute only applies to functions that have no parameters}}
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__attribute__((signal)) int fooc(void) { return 0; } // expected-warning {{'signal' attribute only applies to functions that have a 'void' return type}}
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__attribute__((signal)) void food(int a) {} // expected-warning {{'signal' attribute only applies to functions that have no parameters}}
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__attribute__((interrupt)) void fooe(void) {}
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__attribute__((interrupt)) void foof() {}
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__attribute__((signal)) void foog(void) {}
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__attribute__((signal)) void fooh() {}
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