diff options
Diffstat (limited to 'sys/include/arch/amd64/frame.h')
| -rw-r--r-- | sys/include/arch/amd64/frame.h | 56 |
1 files changed, 1 insertions, 55 deletions
diff --git a/sys/include/arch/amd64/frame.h b/sys/include/arch/amd64/frame.h index 15c4143..6d04fdf 100644 --- a/sys/include/arch/amd64/frame.h +++ b/sys/include/arch/amd64/frame.h @@ -56,59 +56,5 @@ struct trapframe { uint64_t rsp; uint64_t ss; }; -#else -/* - * XXX: Before this macro is invoked, - * you should determine if an error - * code will be present already on the - * stack. If not, push a null qword as - * padding (e.g push $0). - * - * There *must* be a value used - * as an error code whether that be - * a real error code or just padding. - * - * Failing to do so will result in - * undefined behaviour. - * - */ -.macro push_trapframe trapno - push %r15 - push %r14 - push %r13 - push %r12 - push %r11 - push %r10 - push %r9 - push %r8 - push %rbp - push %rdi - push %rsi - push %rbx - push %rdx - push %rcx - push %rax - push \trapno -.endm - -.macro pop_trapframe - add $8, %rsp /* Trapno */ - pop %rax - pop %rcx - pop %rdx - pop %rbx - pop %rsi - pop %rdi - pop %rbp - pop %r8 - pop %r9 - pop %r10 - pop %r12 - pop %r13 - pop %r14 - pop %r15 - add $8, %rsp /* Pop error code */ - iretq -.endm -#endif /* !defined(__ASSEMBLER__) */ +#endif /* !defined(__ASSEMBLER__) */ #endif /* !_AMD64_FRAME_H_ */ |