Mercurial > hg > CbC > CbC_gcc
view 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> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 1830386684a0 |
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/* { dg-do run { target i?86-*-* x86_64-*-* } } */ /* { dg-skip-if "PR81693 sp not aligned to 16 bytes" { "*-*-darwin*" } } */ /* { dg-options "-mgeneral-regs-only" } */ extern void exit (int); typedef unsigned int uword_t __attribute__ ((mode (__word__))); #define IP 0x12345671 #define CS 0x12345672 #define FLAGS 0x12345673 #define SP 0x12345674 #define SS 0x12345675 #define STRING(x) XSTRING(x) #define XSTRING(x) #x #define ASMNAME(cname) ASMNAME2 (__USER_LABEL_PREFIX__, cname) #define ASMNAME2(prefix, cname) XSTRING (prefix) cname struct interrupt_frame { uword_t ip; uword_t cs; uword_t flags; uword_t sp; uword_t ss; }; __attribute__((naked, used)) void fn (void) { register uword_t *sp __asm__("sp"); struct interrupt_frame *frame = (struct interrupt_frame *) sp; if (IP != frame->ip) /* BREAK */ __builtin_abort (); if (CS != frame->cs) __builtin_abort (); if (FLAGS != frame->flags) __builtin_abort (); if (SP != frame->sp) __builtin_abort (); if (SS != frame->ss) __builtin_abort (); exit (0); } int main () { asm ("push $" STRING (SS) "; \ push $" STRING (SP) "; \ push $" STRING (FLAGS) "; \ push $" STRING (CS) "; \ push $" STRING (IP) "; \ jmp " ASMNAME ("fn")); return 0; }