| 1 | // RUN: %clang_cc1 %s -verify -fsyntax-only -triple i686-pc-linux |
|---|
| 2 | |
|---|
| 3 | int a __attribute__((naked)); // expected-warning {{'naked' attribute only applies to functions}} |
|---|
| 4 | |
|---|
| 5 | __attribute__((naked)) int t0(void) { |
|---|
| 6 | __asm__ volatile("mov r0, #0"); |
|---|
| 7 | } |
|---|
| 8 | |
|---|
| 9 | void t1() __attribute__((naked)); |
|---|
| 10 | |
|---|
| 11 | void t2() __attribute__((naked(2))); // expected-error {{'naked' attribute takes no arguments}} |
|---|
| 12 | |
|---|
| 13 | __attribute__((naked)) int t3() { // expected-note{{attribute is here}} |
|---|
| 14 | return 42; // expected-error{{non-ASM statement in naked function is not supported}} |
|---|
| 15 | } |
|---|
| 16 | |
|---|
| 17 | __attribute__((naked)) int t4() { |
|---|
| 18 | asm("movl $42, %eax"); |
|---|
| 19 | asm("retl"); |
|---|
| 20 | } |
|---|
| 21 | |
|---|
| 22 | __attribute__((naked)) int t5(int x) { |
|---|
| 23 | asm("movl x, %eax"); |
|---|
| 24 | asm("retl"); |
|---|
| 25 | } |
|---|
| 26 | |
|---|
| 27 | __attribute__((naked)) void t6() { |
|---|
| 28 | ; |
|---|
| 29 | } |
|---|
| 30 | |
|---|
| 31 | __attribute__((naked)) void t7() { |
|---|
| 32 | asm("movl $42, %eax"); |
|---|
| 33 | ; |
|---|
| 34 | } |
|---|
| 35 | |
|---|
| 36 | extern int x, y; |
|---|
| 37 | |
|---|
| 38 | __attribute__((naked)) void t8(int z) { // expected-note{{attribute is here}} |
|---|
| 39 | __asm__ ("movl $42, %1" |
|---|
| 40 | : "=r"(x), |
|---|
| 41 | "=r"(z) // expected-error{{parameter references not allowed in naked functions}} |
|---|
| 42 | ); |
|---|
| 43 | } |
|---|
| 44 | |
|---|
| 45 | __attribute__((naked)) void t9(int z) { // expected-note{{attribute is here}} |
|---|
| 46 | __asm__ ("movl %eax, %1" |
|---|
| 47 | : : "r"(x), |
|---|
| 48 | "r"(z) // expected-error{{parameter references not allowed in naked functions}} |
|---|
| 49 | ); |
|---|
| 50 | } |
|---|
| 51 | |
|---|
| 52 | __attribute__((naked)) void t10() { // expected-note{{attribute is here}} |
|---|
| 53 | int a; // expected-error{{non-ASM statement in naked function is not supported}} |
|---|
| 54 | } |
|---|
| 55 | |
|---|
| 56 | __attribute__((naked)) void t11() { // expected-note{{attribute is here}} |
|---|
| 57 | register int a asm("eax") = x; // expected-error{{non-ASM statement in naked function is not supported}} |
|---|
| 58 | } |
|---|
| 59 | |
|---|
| 60 | __attribute__((naked)) void t12() { // expected-note{{attribute is here}} |
|---|
| 61 | register int a asm("eax"), b asm("ebx") = x; // expected-error{{non-ASM statement in naked function is not supported}} |
|---|
| 62 | } |
|---|
| 63 | |
|---|
| 64 | __attribute__((naked)) void t13() { |
|---|
| 65 | register int a asm("eax"); |
|---|
| 66 | register int b asm("ebx"), c asm("ecx"); |
|---|
| 67 | } |
|---|
| 68 | |
|---|
| 69 | |
|---|