Files
jerryscript/targets/tizenrt-artik05x/apps/jerryscript/setjmp.S
T
Sanggyu Lee 1501699f48 Add setjmp and longjmp functions for tizenrt-artik05x (#1825)
This patch is based on nuttx-stm32f4 implementation.
However, I removed vldm and vstm since artik05x has no FPU.
It fixes the following error on running some testcases under tests/jerry/fail:

System Information:
        Versionarm_dataabort:
        Data abort. PC: 0410d9d8 DFAR: 0a00001d DFSR: 00000008
        up_assert: Assertion failed at file:armv7-r/arm_dataabort.c
        line: 111 task: appmain

JerryScript-DCO-1.0-Signed-off-by: Sanggyu Lee sg5.lee@samsung.com
2017-05-16 09:57:32 +02:00

64 lines
1.3 KiB
ArmAsm

/* Copyright JS Foundation and other contributors, http://js.foundation
*
* Licensed 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.
*/
.syntax unified
.macro func _name
.global \_name
.type \_name, %function
\_name:
.endm
.macro endfunc _name
.size \_name, .-\_name
.endm
/**
* setjmp (jmp_buf env)
*
* See also:
* longjmp
*
* @return 0 - if returns from direct call,
* nonzero - if returns after longjmp.
*/
func setjmp
stmia r0!, {r4 - r11, lr}
str sp, [r0], #4
mov r0, #0
bx lr
endfunc setjmp
/**
* longjmp (jmp_buf env, int val)
*
* Note:
* if val is not 0, then it would be returned from setjmp,
* otherwise - 0 would be returned.
*
* See also:
* setjmp
*/
func longjmp
ldmia r0!, {r4 - r11, lr}
ldr sp, [r0]
add r0, r0, #4
mov r0, r1
cmp r0, #0
bne 1f
mov r0, #1
1:
bx lr
endfunc longjmp