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annotate gcc/testsuite/gcc.dg/torture/pr25967-2.c @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 1830386684a0
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /* { dg-do run { target i?86-*-* x86_64-*-* } } */
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1830386684a0 gcc-9.2.0
anatofuz
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2 /* { dg-skip-if "PR81693 sp not aligned to 16 bytes" { "*-*-darwin*" } } */
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3 /* { dg-options "-mgeneral-regs-only" } */
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4
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5 extern void exit (int);
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6
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7 typedef unsigned int uword_t __attribute__ ((mode (__word__)));
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8
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9 #define IP 0x12345671
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10 #define CS 0x12345672
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11 #define FLAGS 0x12345673
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12 #define SP 0x12345674
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13 #define SS 0x12345675
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14
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15 #define STRING(x) XSTRING(x)
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16 #define XSTRING(x) #x
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17 #define ASMNAME(cname) ASMNAME2 (__USER_LABEL_PREFIX__, cname)
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18 #define ASMNAME2(prefix, cname) XSTRING (prefix) cname
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19
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20 struct interrupt_frame
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21 {
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22 uword_t ip;
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23 uword_t cs;
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24 uword_t flags;
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25 uword_t sp;
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26 uword_t ss;
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27 };
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28
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29 __attribute__((naked, used))
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30 void
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31 fn (void)
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32 {
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33 register uword_t *sp __asm__("sp");
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34 struct interrupt_frame *frame = (struct interrupt_frame *) sp;
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35 if (IP != frame->ip) /* BREAK */
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36 __builtin_abort ();
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37 if (CS != frame->cs)
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38 __builtin_abort ();
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39 if (FLAGS != frame->flags)
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40 __builtin_abort ();
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41 if (SP != frame->sp)
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42 __builtin_abort ();
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43 if (SS != frame->ss)
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44 __builtin_abort ();
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45
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46 exit (0);
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47 }
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48
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49 int
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50 main ()
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51 {
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52 asm ("push $" STRING (SS) "; \
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53 push $" STRING (SP) "; \
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54 push $" STRING (FLAGS) "; \
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55 push $" STRING (CS) "; \
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56 push $" STRING (IP) "; \
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57 jmp " ASMNAME ("fn"));
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58 return 0;
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59 }