| /* { dg-do run { target i?86-*-* x86_64-*-* } } */ |
| /* { dg-options "-g -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; |
| } |
| |
| /* { dg-final { gdb-test 34 "frame->ip" "0x12345671" } } */ |
| /* { dg-final { gdb-test 34 "frame->cs" "0x12345672" } } */ |
| /* { dg-final { gdb-test 34 "frame->flags" "0x12345673" } } */ |
| /* { dg-final { gdb-test 34 "frame->sp" "0x12345674" } } */ |
| /* { dg-final { gdb-test 34 "frame->ss" "0x12345675" } } */ |
