93 lines
3.0 KiB
ArmAsm
93 lines
3.0 KiB
ArmAsm
/****************************************************************************
|
|
* libs/libc/machine/sim/arch_setjmp_arm64.S
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership. The
|
|
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations
|
|
* under the License.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
#include <arch/setjmp.h>
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
#if defined(CONFIG_HOST_MACOS)
|
|
#define SYMBOL(x) _##x
|
|
#else
|
|
#define SYMBOL(x) x
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
.text
|
|
.globl SYMBOL(setjmp)
|
|
.align 4
|
|
|
|
SYMBOL(setjmp):
|
|
|
|
stp x19, x20, [x0, JB_X19_X20]
|
|
stp x21, x22, [x0, JB_X21_X22]
|
|
stp x23, x24, [x0, JB_X23_X24]
|
|
stp x25, x26, [x0, JB_X25_X26]
|
|
stp x27, x28, [x0, JB_X27_X28]
|
|
stp x29, lr, [x0, JB_X29_XLR]
|
|
mov x1, sp /* STP can't access SP */
|
|
stp fp, x1, [x0, JB_XFP_XSP]
|
|
stp d8, d9, [x0, JB_D08_D09]
|
|
stp d10, d11, [x0, JB_D10_D11]
|
|
stp d12, d13, [x0, JB_D12_D13]
|
|
stp d14, d15, [x0, JB_D14_D15]
|
|
|
|
mov x0,#0 /* return value */
|
|
ret
|
|
|
|
.text
|
|
.globl SYMBOL(longjmp)
|
|
.align 4
|
|
|
|
SYMBOL(longjmp):
|
|
|
|
ldp x19, x20, [x0, JB_X19_X20]
|
|
ldp x21, x22, [x0, JB_X21_X22]
|
|
ldp x23, x24, [x0, JB_X23_X24]
|
|
ldp x25, x26, [x0, JB_X25_X26]
|
|
ldp x27, x28, [x0, JB_X27_X28]
|
|
ldp x29, lr, [x0, JB_X29_XLR]
|
|
ldp fp, x2, [x0, JB_XFP_XSP]
|
|
ldp d8, d9, [x0, JB_D08_D09]
|
|
ldp d10, d11, [x0, JB_D10_D11]
|
|
ldp d12, d13, [x0, JB_D12_D13]
|
|
ldp d14, d15, [x0, JB_D14_D15]
|
|
mov sp, x2 /* LDP can't access SP */
|
|
|
|
mov x0, x1
|
|
cmp x0, #0
|
|
b.ne 1f /* return 1, if val is 0 */
|
|
|
|
mov x0,#1 /* return value */
|
|
|
|
1:
|
|
ret
|
|
|
|
.end
|