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-rw-r--r--sysdeps/aarch64/setjmp.S69
1 files changed, 69 insertions, 0 deletions
diff --git a/sysdeps/aarch64/setjmp.S b/sysdeps/aarch64/setjmp.S
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+++ b/sysdeps/aarch64/setjmp.S
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+/* 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)