glibc/sysdeps/csky/abiv2/setjmp.S

/* setjmp for C-SKY ABIV2.
   Copyright (C) 2018-2021 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>

ENTRY (setjmp)
	movi	a1, 1
	br	__sigsetjmp
END (setjmp)

ENTRY (_setjmp)
	movi	a1, 0
	br	__sigsetjmp
END (_setjmp)

libc_hidden_def (_setjmp)

ENTRY (__sigsetjmp)
	mov	a2, a0
	/* Save registers.  */

#ifdef PTR_MANGLE
	PTR_MANGLE (t0, sp, a3)
	stw	t0, (a2, 0)
	PTR_MANGLE2 (t0, lr, a3)
	stw	t0, (a2, 4)
#else
	stw	sp, (a2, 0)
	stw	lr, (a2, 4)
#endif
	stw	r4, (a2, 8)
	stw	r5, (a2, 12)
	stw	r6, (a2, 16)
	stw	r7, (a2, 20)
	stw	r8, (a2, 24)
	stw	r9, (a2, 28)
	stw	r10, (a2, 32)
	stw	r11, (a2, 36)
	stw	r16, (a2, 40)
	stw	r17, (a2, 44)
	stw	r26, (a2, 48)
	stw	r27, (a2, 52)
	stw	r28, (a2, 56)
	stw	r29, (a2, 60)
	stw	r30, (a2, 64)
	stw	r31, (a2, 68)
	addi	a2, 72

#ifdef __PIC__
	grs	t1, .Lgetpc
.Lgetpc:
	lrw	t0, .Lgetpc@GOTPC
	addu	t1, t0
	lrw	a2, __sigjmp_save@PLT
	ldr.w	a2, (t1, a2 << 0)
	jmp	a2
#else
	jmpi	__sigjmp_save
#endif /* !__PIC__ */
END (__sigsetjmp)

hidden_def (__sigsetjmp)