| 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465 |
- /*
- * Copyright (C) 2011-2017 Intel Corporation. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
- #include "linux/linux-regs.h"
- .file "lowlib.S"
- .text
- DECLARE_LOCAL_FUNC get_bp
- mov %xbp, %xax
- ret
- #define reg_xax (0 * SE_WORDSIZE)
- #define reg_xbx (1 * SE_WORDSIZE)
- #define reg_xcx (2 * SE_WORDSIZE)
- #define reg_xdx (3 * SE_WORDSIZE)
- #define reg_xsi (4 * SE_WORDSIZE)
- #define reg_xdi (5 * SE_WORDSIZE)
- #define reg_xbp (6 * SE_WORDSIZE)
- #define reg_xsp (7 * SE_WORDSIZE)
- #define reg_xip (8 * SE_WORDSIZE)
- DECLARE_LOCAL_FUNC load_regs
- mov naked_arg0, %xdx
- mov reg_xax(%xdx), %xax
- mov reg_xbx(%xdx), %xbx
- mov reg_xcx(%xdx), %xcx
- mov reg_xsi(%xdx), %xsi
- mov reg_xdi(%xdx), %xdi
- mov reg_xbp(%xdx), %xbp
- mov reg_xsp(%xdx), %xsp
- mov reg_xax(%xdx), %xax
- push reg_xip(%xdx)
- mov reg_xdx(%xdx), %xdx
- ret
|
