1 /* { dg-do run { target i?86-*-* x86_64-*-* } } */ 2 /* { dg-skip-if "PR81210 sp not aligned to 16 bytes" { *-*-darwin* } } */ 3 /* { dg-options "-mgeneral-regs-only" } */ 4 5 extern void exit (int); 6 7 typedef unsigned int uword_t __attribute__ ((mode (__word__))); 8 9 #define ERROR 0x12345670 10 #define IP 0x12345671 11 #define CS 0x12345672 12 #define FLAGS 0x12345673 13 #define SP 0x12345674 14 #define SS 0x12345675 15 16 #define STRING(x) XSTRING(x) 17 #define XSTRING(x) #x 18 #define ASMNAME(cname) ASMNAME2 (__USER_LABEL_PREFIX__, cname) 19 #define ASMNAME2(prefix, cname) XSTRING (prefix) cname 20 21 struct interrupt_frame 22 { 23 uword_t ip; 24 uword_t cs; 25 uword_t flags; 26 uword_t sp; 27 uword_t ss; 28 }; 29 30 __attribute__((interrupt, used)) 31 void fn(struct interrupt_frame * frame,uword_t error)32fn (struct interrupt_frame *frame, uword_t error) 33 { 34 if (ERROR != error) 35 __builtin_abort (); 36 if (IP != frame->ip) 37 __builtin_abort (); 38 if (CS != frame->cs) 39 __builtin_abort (); 40 if (FLAGS != frame->flags) 41 __builtin_abort (); 42 if (SP != frame->sp) 43 __builtin_abort (); 44 if (SS != frame->ss) 45 __builtin_abort (); 46 47 exit (0); 48 } 49 50 int main()51main () 52 { 53 asm ("push $" STRING (SS) "; \ 54 push $" STRING (SP) "; \ 55 push $" STRING (FLAGS) "; \ 56 push $" STRING (CS) "; \ 57 push $" STRING (IP) "; \ 58 push $" STRING (ERROR) "; \ 59 jmp " ASMNAME ("fn")); 60 return 0; 61 } 62