glibc/sysdeps/sh/sh4/__longjmp.S

75 lines
1.7 KiB
ArmAsm

/* longjmp for SH.
Copyright (C) 1999-2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <sysdep.h>
#include <pointer_guard.h>
#define _SETJMP_H
#define _ASM
#include <bits/setjmp.h>
/* __longjmp(jmpbuf, val) */
ENTRY (__longjmp)
mov.l @r4+, r8
mov.l @r4+, r9
mov.l @r4+, r10
mov.l @r4+, r11
mov.l @r4+, r12
mov r5, r0 /* get the return value in place */
tst r0, r0
bf.s 1f
mov.l @r4+, r13
mov #1,r0 /* can't let setjmp() return zero! */
1:
#ifdef PTR_DEMANGLE
mov.l @r4+, r2
PTR_DEMANGLE (r2, r1)
mov r2, r14
mov.l @r4+, r2
PTR_DEMANGLE2 (r2, r1)
# ifdef CHECK_SP
CHECK_SP (r2)
# endif
mov r2, r15
mov.l @r4+, r2
PTR_DEMANGLE2 (r2, r1)
lds r2, pr
mov #0, r1
#else
mov.l @r4+, r14
# ifdef CHECK_SP
mov.l @r4, r2
CHECK_SP (r2)
# endif
mov.l @r4+, r15
lds.l @r4+, pr
#endif
#ifdef __SH_FPU_ANY__
ldc.l @r4+, gbr
lds.l @r4+, fpscr
fmov.s @r4+, fr12
fmov.s @r4+, fr13
fmov.s @r4+, fr14
rts
fmov.s @r4+, fr15
#else
rts
ldc.l @r4+, gbr
#endif /* !__SH_FPU_ANY__ */
END (__longjmp)