glibc/ports/sysdeps/aarch64/setjmp.S

58 lines
1.6 KiB
ArmAsm

/* Copyright (C) 1997-2013 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
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
#include <jmpbuf-offsets.h>
/* Keep traditional entry points in with sigsetjmp(). */
ENTRY (setjmp)
mov x1, #1
b 1f
END (setjmp)
ENTRY (_setjmp)
mov x1, #0
b 1f
END (_setjmp)
libc_hidden_def (_setjmp)
ENTRY (__sigsetjmp)
1:
stp x19, x20, [x0, #JB_X19<<3]
stp x21, x22, [x0, #JB_X21<<3]
stp x23, x24, [x0, #JB_X23<<3]
stp x25, x26, [x0, #JB_X25<<3]
stp x27, x28, [x0, #JB_X27<<3]
stp x29, x30, [x0, #JB_X29<<3]
stp d8, d9, [x0, #JB_D8<<3]
stp d10, d11, [x0, #JB_D10<<3]
stp d12, d13, [x0, #JB_D12<<3]
stp d14, d15, [x0, #JB_D14<<3]
mov x2, sp
str x2, [x0, #JB_SP<<3]
#if defined NOT_IN_libc && defined IS_IN_rtld
/* In ld.so we never save the signal mask */
mov w0, #0
RET
#else
b C_SYMBOL_NAME(__sigjmp_save)
#endif
END (__sigsetjmp)
hidden_def (__sigsetjmp)