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Implement _setjmp / longjmp on ARM

svn path=/trunk/; revision=67511
This commit is contained in:
Timo Kreuzer 2015-05-02 14:07:28 +00:00
parent dbdef0de20
commit 9806b6c055
1 changed files with 62 additions and 0 deletions
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reactos/lib/sdk/crt/setjmp/arm/setjmp.s Normal file
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/*
* COPYRIGHT: BSD - See COPYING.ARM in the top level directory
* PROJECT: ReactOS CRT library
* PURPOSE: Implementation of _setjmp / longjmp
* PROGRAMMER: Timo Kreuzer (timo.kreuzer@reactos.org)
*/
/* INCLUDES ******************************************************************/
#include <kxarm.h>
/* CODE **********************************************************************/
TEXTAREA
LEAF_ENTRY _setjmp
mov r1, sp
/* Store r1 (->Frame) and r4 - r11 */
stmia r0!, {r1,r4-r11}
/* Store r1 (->Sp), lr (->Pc), fp (->Fpscr) */
stmia r0!, {r1,lr,fp}
/* Store NEON registers */
vst1.64 {d0}, [r0]!
vst1.64 {d1}, [r0]!
vst1.64 {d2}, [r0]!
vst1.64 {d3}, [r0]!
vst1.64 {d4}, [r0]!
vst1.64 {d5}, [r0]!
vst1.64 {d6}, [r0]!
vst1.64 {d7}, [r0]!
/* Return 0 */
mov r0, #0
bx lr
LEAF_END _setjmp
LEAF_ENTRY longjmp
ldmia r0!, {r1,r4-r11}
ldmia r0!, {r1,lr,fp}
mov sp, r1
/* Load NEON registers */
vld1.64 {d0}, [r0]!
vld1.64 {d1}, [r0]!
vld1.64 {d2}, [r0]!
vld1.64 {d3}, [r0]!
vld1.64 {d4}, [r0]!
vld1.64 {d5}, [r0]!
vld1.64 {d6}, [r0]!
vld1.64 {d7}, [r0]!
/* Return 1 */
mov r0, #1
bx lr
LEAF_END longjmp
END
/* EOF */