/* * Copyright (c) 2007,2009 Apple Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ #if defined(__x86_64__) #include <architecture/i386/asm_help.h> #define MCONTEXT_SS_RAX 16 #define MCONTEXT_SS_RBX 24 #define MCONTEXT_SS_RCX 32 #define MCONTEXT_SS_RDX 40 #define MCONTEXT_SS_RDI 48 #define MCONTEXT_SS_RSI 56 #define MCONTEXT_SS_RBP 64 #define MCONTEXT_SS_RSP 72 #define MCONTEXT_SS_R8 80 #define MCONTEXT_SS_RIP 144 #define MCONTEXT_SS_RFLAGS 152 TEXT LABEL(_getcontext) /* struct ucontext_t * $rdi */ push %rbp movq %rsp, %rbp movq %rsp, %rsi CALL_EXTERN(_getmcontext) /* getmcontext(uctx, sp) */ pop %rbp #if DEBUG movq $0, MCONTEXT_SS_RAX(%rax) movq $0, MCONTEXT_SS_RDX(%rax) movq $0, MCONTEXT_SS_RCX(%rax) movq $0, MCONTEXT_SS_RDI(%rax) movq $0, MCONTEXT_SS_RSI(%rax) movq $0, MCONTEXT_SS_R8(%rax) movq $0, MCONTEXT_SS_R8+8(%rax) movq $0, MCONTEXT_SS_R8+16(%rax) movq $0, MCONTEXT_SS_R8+24(%rax) movq $0, MCONTEXT_SS_RFLAGS(%rax) #endif movq %rbp, MCONTEXT_SS_RBP(%rax) movq %rbx, MCONTEXT_SS_RBX(%rax) movq %r12, MCONTEXT_SS_R8+32(%rax) movq %r13, MCONTEXT_SS_R8+40(%rax) movq %r14, MCONTEXT_SS_R8+48(%rax) movq %r15, MCONTEXT_SS_R8+56(%rax) movq (%rsp), %rcx /* return address */ movq %rcx, MCONTEXT_SS_RIP(%rax) leaq 8(%rsp), %rcx movq %rcx, MCONTEXT_SS_RSP(%rax) xorl %eax, %eax ret #endif /* __x86_64__ */