File: arm-interrupt-attr.c

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (26 lines) | stat: -rw-r--r-- 1,332 bytes parent folder | download | duplicates (5)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
// RUN: %clang_cc1 %s -triple arm-none-eabi -verify -fsyntax-only
// RUN: %clang_cc1 %s -triple arm-none-eabi -target-feature +vfp2 -verify -fsyntax-only


#ifdef __ARM_FP
__attribute__((interrupt("IRQ"))) void float_irq(void); // expected-warning {{interrupt service routine with vfp enabled may clobber the interruptee's vfp state}}
#else // !defined(__ARM_FP)
__attribute__((interrupt("irq"))) void foo1(void) {} // expected-warning {{'interrupt' attribute argument not supported: irq}}
__attribute__((interrupt(IRQ))) void foo(void) {} // expected-error {{'interrupt' attribute requires a string}}
__attribute__((interrupt("IRQ", 1))) void foo2(void) {} // expected-error {{'interrupt' attribute takes no more than 1 argument}}
__attribute__((interrupt("IRQ"))) void foo3(void) {}
__attribute__((interrupt("FIQ"))) void foo4(void) {}
__attribute__((interrupt("SWI"))) void foo5(void) {}
__attribute__((interrupt("ABORT"))) void foo6(void) {}
__attribute__((interrupt("UNDEF"))) void foo7(void) {}
__attribute__((interrupt)) void foo8(void) {}
__attribute__((interrupt())) void foo9(void) {}
__attribute__((interrupt(""))) void foo10(void) {}

__attribute__((interrupt("IRQ"))) void callee(void) {}

void caller(void)
{
    callee(); // expected-error {{interrupt service routine cannot be called directly}}
}
#endif // __ARM_FP