1/* setjmp for RISC-V.
2   Copyright (C) 1996-2018 Free Software Foundation, Inc.
3
4   The GNU C Library is free software; you can redistribute it and/or
5   modify it under the terms of the GNU Lesser General Public
6   License as published by the Free Software Foundation; either
7   version 2.1 of the License, or (at your option) any later version.
8
9   The GNU C Library is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12   Lesser General Public License for more details.
13
14   You should have received a copy of the GNU Lesser General Public
15   License along with the GNU C Library.  If not, see
16   <http://www.gnu.org/licenses/>.  */
17
18#include <sysdep.h>
19#include <sys/asm.h>
20
21ENTRY (_setjmp)
22  li	a1, 0
23  j	HIDDEN_JUMPTARGET (__sigsetjmp)
24END (_setjmp)
25ENTRY (setjmp)
26  li	a1, 1
27  /* Fallthrough */
28END (setjmp)
29ENTRY (__sigsetjmp)
30	REG_S ra,  0*SZREG(a0)
31	REG_S s0,  1*SZREG(a0)
32	REG_S s1,  2*SZREG(a0)
33	REG_S s2,  3*SZREG(a0)
34	REG_S s3,  4*SZREG(a0)
35	REG_S s4,  5*SZREG(a0)
36	REG_S s5,  6*SZREG(a0)
37	REG_S s6,  7*SZREG(a0)
38	REG_S s7,  8*SZREG(a0)
39	REG_S s8,  9*SZREG(a0)
40	REG_S s9, 10*SZREG(a0)
41	REG_S s10,11*SZREG(a0)
42	REG_S s11,12*SZREG(a0)
43	REG_S sp, 13*SZREG(a0)
44
45#ifndef __riscv_float_abi_soft
46	FREG_S fs0, 14*SZREG+ 0*SZFREG(a0)
47	FREG_S fs1, 14*SZREG+ 1*SZFREG(a0)
48	FREG_S fs2, 14*SZREG+ 2*SZFREG(a0)
49	FREG_S fs3, 14*SZREG+ 3*SZFREG(a0)
50	FREG_S fs4, 14*SZREG+ 4*SZFREG(a0)
51	FREG_S fs5, 14*SZREG+ 5*SZFREG(a0)
52	FREG_S fs6, 14*SZREG+ 6*SZFREG(a0)
53	FREG_S fs7, 14*SZREG+ 7*SZFREG(a0)
54	FREG_S fs8, 14*SZREG+ 8*SZFREG(a0)
55	FREG_S fs9, 14*SZREG+ 9*SZFREG(a0)
56	FREG_S fs10,14*SZREG+10*SZFREG(a0)
57	FREG_S fs11,14*SZREG+11*SZFREG(a0)
58#endif
59
60#if !IS_IN_libc && IS_IN_rtld
61  /* In ld.so we never save the signal mask.  */
62  li a0, 0
63  ret
64#else
65  /* Make a tail call to __sigjmp_save; it takes the same args.  */
66  j __sigjmp_save
67#endif
68
69
70END (__sigsetjmp)
71
72hidden_def (__sigsetjmp)
73weak_alias (_setjmp, __GI__setjmp)
74