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/* setjmp for SH4.
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>
#include <jmpbuf-offsets.h>
ENTRY (__sigsetjmp)
/* Save registers */
#ifdef __SH_FPU_ANY__
add #JB_SIZE, r4
fmov.s fr15, @-r4
fmov.s fr14, @-r4
fmov.s fr13, @-r4
fmov.s fr12, @-r4
sts.l fpscr, @-r4
#else
add #(JB_SIZE - 4 * 5), r4
#endif /* __SH_FPU_ANY__ */
stc.l gbr, @-r4
#ifdef PTR_MANGLE
sts pr, r2
PTR_MANGLE (r2, r1)
mov.l r2, @-r4
mov r15, r2
PTR_MANGLE2 (r2, r1)
mov.l r2, @-r4
mov r14, r2
PTR_MANGLE2 (r2, r1)
mov.l r2, @-r4
mov #0, r1
#else
sts.l pr, @-r4
mov.l r15, @-r4
mov.l r14, @-r4
#endif
mov.l r13, @-r4
mov.l r12, @-r4
mov.l r11, @-r4
mov.l r10, @-r4
mov.l r9, @-r4
mov.l r8, @-r4
#if IS_IN (rtld)
/* In ld.so we never save the signal mask. */
rts
mov #0, r0
#else
/* Make a tail call to __sigjmp_save; it takes the same args. */
# ifdef SHARED
mov.l 1f, r1
mova 1f, r0
bra 2f
add r1, r0
.align 2
1:
.long _GLOBAL_OFFSET_TABLE_
2:
mov.l .L1, r1
mov.l @(r0,r1), r1
jmp @r1
nop
.align 2
.L1:
.long C_SYMBOL_NAME(__sigjmp_save@GOT)
# else
mov.l .L1, r1
jmp @r1
nop
.align 2
.L1:
.long C_SYMBOL_NAME(__sigjmp_save)
# endif
#endif
END (__sigsetjmp)
hidden_def (__sigsetjmp)
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