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Add setjmp and longjmp functions for tizenrt-artik05x #1825

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2 changes: 1 addition & 1 deletion targets/tizenrt-artik05x/apps/jerryscript/Makefile
Original file line number Diff line number Diff line change
Expand Up @@ -100,7 +100,7 @@ EXTRA_LIBS += libjerry-core.a libjerry-libm.a
LINKLIBS=$(EXTRA_LIBS)


ASRCS =
ASRCS = setjmp.S
CSRCS =
MAINSRC = jerry_main.c

Expand Down
27 changes: 1 addition & 26 deletions targets/tizenrt-artik05x/apps/jerryscript/jerry_main.c
Original file line number Diff line number Diff line change
Expand Up @@ -16,12 +16,12 @@
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <setjmp.h>

#include "jerryscript.h"
#include "jerryscript-ext/handler.h"
#include "jerryscript-port.h"
#include "jmem.h"
#include "setjmp.h"

#include <apps/shell/tash.h> // To register tash command

Expand Down Expand Up @@ -546,28 +546,3 @@ jerry_register_cmd (void) {
tash_cmdlist_install(tash_cmds);
return 0;
}

/**
* Compiler built-in setjmp function.
*
* @return 0 when called the first time
* 1 when returns from a longjmp call
*/
int
setjmp (jmp_buf buf)
{
return __builtin_setjmp (buf);
} /* setjmp */

/**
* Compiler built-in longjmp function.
*
* Note:
* ignores value argument
*/
void
longjmp (jmp_buf buf, int value)
{
/* Must be called with 1. */
__builtin_longjmp (buf, 1);
} /* longjmp */
63 changes: 63 additions & 0 deletions targets/tizenrt-artik05x/apps/jerryscript/setjmp.S
Original file line number Diff line number Diff line change
@@ -0,0 +1,63 @@
/* 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
25 changes: 25 additions & 0 deletions targets/tizenrt-artik05x/apps/jerryscript/setjmp.h
Original file line number Diff line number Diff line change
@@ -0,0 +1,25 @@
/* 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.
*/
#ifndef SETJMP_H
#define SETJMP_H

#include <stdint.h>

typedef uint64_t jmp_buf[14];

int setjmp (jmp_buf env);
void longjmp (jmp_buf env, int val);

#endif /* !SETJMP_H */