diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/torture/pr25967-2.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/torture/pr25967-2.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/torture/pr25967-2.c b/gcc/testsuite/gcc.dg/torture/pr25967-2.c new file mode 100644 index 00000000000..4a0dd78c0ad --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr25967-2.c @@ -0,0 +1,58 @@ +/* { dg-do run { target i?86-*-* x86_64-*-* } } */ +/* { 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; +} |