1 /* Copyright (C) 1997-2017 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public License as
7 published by the Free Software Foundation; either version 2.1 of the
8 License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library. If not, see
17 <http://www.gnu.org/licenses/>. */
20 #include <jmpbuf-offsets.h>
21 #include <stap-probe.h>
23 /* Keep traditional entry points in with sigsetjmp(). */
33 libc_hidden_def (_setjmp)
39 stp x19, x20, [x0, #JB_X19<<3]
40 stp x21, x22, [x0, #JB_X21<<3]
41 stp x23, x24, [x0, #JB_X23<<3]
42 stp x25, x26, [x0, #JB_X25<<3]
43 stp x27, x28, [x0, #JB_X27<<3]
46 PTR_MANGLE (4, 30, 3, 2)
47 stp x29, x4, [x0, #JB_X29<<3]
49 stp x29, x30, [x0, #JB_X29<<3]
51 /* setjmp probe takes 3 arguments, address of jump buffer
52 first argument (8@x0), return value second argument (-4@x1),
53 and target address (8@x30), respectively. */
54 LIBC_PROBE (setjmp, 3, 8@x0, -4@x1, 8@x30)
55 stp d8, d9, [x0, #JB_D8<<3]
56 stp d10, d11, [x0, #JB_D10<<3]
57 stp d12, d13, [x0, #JB_D12<<3]
58 stp d14, d15, [x0, #JB_D14<<3]
61 PTR_MANGLE (5, 4, 3, 2)
62 str x5, [x0, #JB_SP<<3]
65 str x2, [x0, #JB_SP<<3]
68 /* In ld.so we never save the signal mask */
72 b C_SYMBOL_NAME(__sigjmp_save)
75 hidden_def (__sigsetjmp)