diff options
Diffstat (limited to 'sysdeps/aarch64/setjmp.S')
-rw-r--r-- | sysdeps/aarch64/setjmp.S | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/sysdeps/aarch64/setjmp.S b/sysdeps/aarch64/setjmp.S new file mode 100644 index 0000000000..5822abd872 --- /dev/null +++ b/sysdeps/aarch64/setjmp.S @@ -0,0 +1,69 @@ +/* Copyright (C) 1997-2014 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] + +#ifdef PTR_MANGLE + PTR_MANGLE (x4, x30, x3, x2) + stp x29, x4, [x0, #JB_X29<<3] +#else + stp x29, x30, [x0, #JB_X29<<3] +#endif + 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] +#ifdef PTR_MANGLE + mov x4, sp + PTR_MANGLE (x5, x4, x3, x2) + str x5, [x0, #JB_SP<<3] +#else + mov x2, sp + str x2, [x0, #JB_SP<<3] +#endif +#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) |