File: arm-interrupt-attr.c

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-16
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 1,496,368 kB
  • sloc: cpp: 5,593,980; ansic: 986,873; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,547; xml: 953; cs: 573; fortran: 567
file content (52 lines) | stat: -rw-r--r-- 1,999 bytes parent folder | download | duplicates (6)
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
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
// RUN: %clang_cc1 %s -triple arm-apple-darwin  -target-feature +vfp2 -verify -fsyntax-only
// RUN: %clang_cc1 %s -triple thumb-apple-darwin  -target-feature +vfp3 -verify -fsyntax-only
// RUN: %clang_cc1 %s -triple armeb-none-eabi  -target-feature +vfp4 -verify -fsyntax-only
// RUN: %clang_cc1 %s -triple thumbeb-none-eabi  -target-feature +neon -verify -fsyntax-only
// RUN: %clang_cc1 %s -triple thumbeb-none-eabi -target-feature +neon -target-feature +soft-float -DSOFT -verify -fsyntax-only

__attribute__((interrupt(IRQ))) void foo() {} // expected-error {{'interrupt' attribute requires a string}}
__attribute__((interrupt("irq"))) void foo1() {} // expected-warning {{'interrupt' attribute argument not supported: irq}}

__attribute__((interrupt("IRQ", 1))) void foo2() {} // expected-error {{'interrupt' attribute takes no more than 1 argument}}

__attribute__((interrupt("IRQ"))) void foo3() {}
__attribute__((interrupt("FIQ"))) void foo4() {}
__attribute__((interrupt("SWI"))) void foo5() {}
__attribute__((interrupt("ABORT"))) void foo6() {}
__attribute__((interrupt("UNDEF"))) void foo7() {}

__attribute__((interrupt)) void foo8() {}
__attribute__((interrupt())) void foo9() {}
__attribute__((interrupt(""))) void foo10() {}

#ifndef SOFT
// expected-note@+2 {{'callee1' declared here}}
#endif
void callee1();
__attribute__((interrupt("IRQ"))) void callee2();
void caller1() {
  callee1();
  callee2();
}

#ifndef SOFT
__attribute__((interrupt("IRQ"))) void caller2() {
  callee1(); // expected-warning {{call to function without interrupt attribute could clobber interruptee's VFP registers}}
  callee2();
}

void (*callee3)();
__attribute__((interrupt("IRQ"))) void caller3() {
  callee3(); // expected-warning {{call to function without interrupt attribute could clobber interruptee's VFP registers}}
}
#else
__attribute__((interrupt("IRQ"))) void caller2() {
  callee1();
  callee2();
}

void (*callee3)();
__attribute__((interrupt("IRQ"))) void caller3() {
  callee3();
}
#endif