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/* Copyright (C) 1992-2023 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/>. */
#define __ASSEMBLY__
#include <sysdep.h>
#include <pointer_guard.h>
#include <jmpbuf-offsets.h>
.ent __sigsetjmp
.global __sigsetjmp
__sigsetjmp:
ldgp gp, 0(pv)
$sigsetjmp_local:
#ifndef PIC
#define FRAME 16
subq sp, FRAME, sp
.frame sp, FRAME, ra, 0
stq ra, 0(sp)
.mask 0x04000000, -FRAME
#else
#define FRAME 0
.frame sp, FRAME, ra, 0
#endif
#ifdef PROF
.set noat
lda AT, _mcount
jsr AT, (AT), _mcount
.set at
#endif
.prologue 1
stq s0, JB_S0*8(a0)
stq s1, JB_S1*8(a0)
stq s2, JB_S2*8(a0)
stq s3, JB_S3*8(a0)
stq s4, JB_S4*8(a0)
stq s5, JB_S5*8(a0)
#ifdef PTR_MANGLE
PTR_MANGLE(t1, ra, t0)
stq t1, JB_PC*8(a0)
#else
stq ra, JB_PC*8(a0)
#endif
#if defined(PTR_MANGLE) && FRAME == 0
PTR_MANGLE2(t1, sp, t0)
#else
addq sp, FRAME, t1
# ifdef PTR_MANGLE
PTR_MANGLE2(t1, t1, t0)
# endif
#endif
stq t1, JB_SP*8(a0)
#ifdef PTR_MANGLE
PTR_MANGLE2(t1, fp, t0)
stq t1, JB_FP*8(a0)
#else
stq fp, JB_FP*8(a0)
#endif
stt $f2, JB_F2*8(a0)
stt $f3, JB_F3*8(a0)
stt $f4, JB_F4*8(a0)
stt $f5, JB_F5*8(a0)
stt $f6, JB_F6*8(a0)
stt $f7, JB_F7*8(a0)
stt $f8, JB_F8*8(a0)
stt $f9, JB_F9*8(a0)
#ifndef PIC
/* Call to C to (potentially) save our signal mask. */
jsr ra, __sigjmp_save
ldq ra, 0(sp)
addq sp, 16, sp
ret
#elif IS_IN (rtld)
/* In ld.so we never save the signal mask. */
mov 0, v0
ret
#else
/* Tailcall to save the signal mask. */
br $31, __sigjmp_save !samegp
#endif
END(__sigsetjmp)
hidden_def (__sigsetjmp)
/* Put these traditional entry points in the same file so that we can
elide much of the nonsense in trying to jmp to the real function. */
ENTRY(_setjmp)
ldgp gp, 0(pv)
.prologue 1
mov 0, a1
br $sigsetjmp_local
END(_setjmp)
libc_hidden_def (_setjmp)
ENTRY(setjmp)
ldgp gp, 0(pv)
.prologue 1
mov 1, a1
br $sigsetjmp_local
END(setjmp)
weak_extern(_setjmp)
weak_extern(setjmp)
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