Files
intel-linux-sgx/sdk/trts/linux/thunk.S
Li, Xun 4589daddd5 Linux 2.9 Open Source Gold Release
Fixed bugs.

Signed-off-by: Li, Xun <xun.li@intel.com>
2020-03-10 12:47:50 +08:00

69 lines
2.6 KiB
ArmAsm

/*
* Copyright (C) 2011-2020 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.
*
*/
.macro DEFINE_THUNK indirect_register, thunk_name
.globl \thunk_name
.hidden \thunk_name
.type \thunk_name, @function
\thunk_name:
.cfi_startproc
jmp *%\indirect_register
.cfi_endproc
.endm
.text
.globl __x86_return_thunk
.hidden __x86_return_thunk
.type __x86_return_thunk, @function
.section .nipx,"ax",@progbits
__x86_return_thunk:
.cfi_startproc
ret
.cfi_endproc
DEFINE_THUNK rax, __x86_indirect_thunk_rax
DEFINE_THUNK rbx, __x86_indirect_thunk_rbx
DEFINE_THUNK rcx, __x86_indirect_thunk_rcx
DEFINE_THUNK rdx, __x86_indirect_thunk_rdx
DEFINE_THUNK rbp, __x86_indirect_thunk_rbp
DEFINE_THUNK rsi, __x86_indirect_thunk_rsi
DEFINE_THUNK rdi, __x86_indirect_thunk_rdi
DEFINE_THUNK r8, __x86_indirect_thunk_r8
DEFINE_THUNK r9, __x86_indirect_thunk_r9
DEFINE_THUNK r10, __x86_indirect_thunk_r10
DEFINE_THUNK r11, __x86_indirect_thunk_r11
DEFINE_THUNK r12, __x86_indirect_thunk_r12
DEFINE_THUNK r13, __x86_indirect_thunk_r13
DEFINE_THUNK r14, __x86_indirect_thunk_r14
DEFINE_THUNK r15, __x86_indirect_thunk_r15