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150
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1 // RUN: %clang_cc1 %s -verify -fsyntax-only -triple i686-pc-linux
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2
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3 int a __attribute__((naked)); // expected-warning {{'naked' attribute only applies to functions}}
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4
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5 __attribute__((naked)) int t0(void) {
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6 __asm__ volatile("mov r0, #0");
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7 }
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8
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9 void t1() __attribute__((naked));
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10
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11 void t2() __attribute__((naked(2))); // expected-error {{'naked' attribute takes no arguments}}
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12
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13 __attribute__((naked)) int t3() { // expected-note{{attribute is here}}
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14 return 42; // expected-error{{non-ASM statement in naked function is not supported}}
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15 }
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16
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17 __attribute__((naked)) int t4() {
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18 asm("movl $42, %eax");
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19 asm("retl");
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20 }
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21
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22 __attribute__((naked)) int t5(int x) {
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23 asm("movl x, %eax");
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24 asm("retl");
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25 }
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26
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27 __attribute__((naked)) void t6() {
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28 ;
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29 }
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30
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31 __attribute__((naked)) void t7() {
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32 asm("movl $42, %eax");
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33 ;
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34 }
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35
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36 extern int x, y;
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37
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38 __attribute__((naked)) void t8(int z) { // expected-note{{attribute is here}}
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39 __asm__ ("movl $42, %1"
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40 : "=r"(x),
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41 "=r"(z) // expected-error{{parameter references not allowed in naked functions}}
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42 );
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43 }
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44
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45 __attribute__((naked)) void t9(int z) { // expected-note{{attribute is here}}
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46 __asm__ ("movl %eax, %1"
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47 : : "r"(x),
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48 "r"(z) // expected-error{{parameter references not allowed in naked functions}}
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49 );
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50 }
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51
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52 __attribute__((naked)) void t10() { // expected-note{{attribute is here}}
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53 int a; // expected-error{{non-ASM statement in naked function is not supported}}
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54 }
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55
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56 __attribute__((naked)) void t11() { // expected-note{{attribute is here}}
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57 register int a asm("eax") = x; // expected-error{{non-ASM statement in naked function is not supported}}
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58 }
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59
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60 __attribute__((naked)) void t12() { // expected-note{{attribute is here}}
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61 register int a asm("eax"), b asm("ebx") = x; // expected-error{{non-ASM statement in naked function is not supported}}
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62 }
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63
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64 __attribute__((naked)) void t13() {
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65 register int a asm("eax");
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66 register int b asm("ebx"), c asm("ecx");
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67 }
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68
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