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111
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1 /* { dg-do run } */
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2 /* { dg-options "-O" } */
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3
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4 #if defined(__x86_64__)
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5 # define CHAIN "%r10"
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6 #elif defined(__i386__)
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7 # define CHAIN "%ecx"
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8 #elif defined(__aarch64__)
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9 # define CHAIN "x18"
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10 #elif defined(__alpha__)
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11 # define CHAIN "$1"
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12 #elif defined(__arm__)
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13 # define CHAIN "ip"
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14 #elif defined(__powerpc__)
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15 # define CHAIN "11"
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16 #elif defined(__s390__)
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17 # define CHAIN "%r0"
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18 #elif defined(__sparc__)
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19 # ifdef __arch64__
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20 # define CHAIN "%g5"
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21 # else
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22 # define CHAIN "%g2"
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23 # endif
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24 #endif
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25
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26 #ifdef CHAIN
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27 void *__attribute__((noinline, noclone)) foo(void)
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28 {
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29 register void *chain __asm__(CHAIN);
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30 return chain;
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31 }
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32
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33 void * (*ptr)(void) = foo;
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34 extern void abort(void);
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35
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36 int main()
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37 {
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38 char c;
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39 void *x = __builtin_call_with_static_chain(ptr(), &c);
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40 if (x != &c)
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41 abort();
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42 return 0;
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43 }
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44 #else
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45 int main() { return 0; }
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46 #endif
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