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authorWaldemar Brodkorb <wbx@uclibc-ng.org>2016-10-04 06:51:35 +0200
committerWaldemar Brodkorb <wbx@openadk.org>2017-02-01 17:48:38 +0100
commitdba942c80dc2cfa5768a856fff98e22a755fdd27 (patch)
tree371e775cb6dfec085945f6834aeb9d3b6de36fbe /libc/sysdeps/linux/aarch64/jmpbuf-offsets.h
parent9b457baf8d46329f7d7ee2aa084022bb0df88551 (diff)
add experimental aarch64 support
Ported over from GNU C Library and runtime tested in Qemu.
Diffstat (limited to 'libc/sysdeps/linux/aarch64/jmpbuf-offsets.h')
-rw-r--r--libc/sysdeps/linux/aarch64/jmpbuf-offsets.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/aarch64/jmpbuf-offsets.h b/libc/sysdeps/linux/aarch64/jmpbuf-offsets.h
new file mode 100644
index 000000000..ab00cef26
--- /dev/null
+++ b/libc/sysdeps/linux/aarch64/jmpbuf-offsets.h
@@ -0,0 +1,57 @@
+/* Copyright (C) 2006-2016 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/>. */
+
+#define JB_X19 0
+#define JB_X20 1
+#define JB_X21 2
+#define JB_X22 3
+#define JB_X23 4
+#define JB_X24 5
+#define JB_X25 6
+#define JB_X26 7
+#define JB_X27 8
+#define JB_X28 9
+#define JB_X29 10
+#define JB_LR 11
+#define JB_SP 13
+
+#define JB_D8 14
+#define JB_D9 15
+#define JB_D10 16
+#define JB_D11 17
+#define JB_D12 18
+#define JB_D13 19
+#define JB_D14 20
+#define JB_D15 21
+
+#ifndef __ASSEMBLER__
+#include <setjmp.h>
+#include <stdint.h>
+#include <sysdep.h>
+
+static inline uintptr_t __attribute__ ((unused))
+_jmpbuf_sp (__jmp_buf jmpbuf)
+{
+ uintptr_t sp = jmpbuf[JB_SP];
+ return sp;
+}
+#endif
+
+/* Helper for generic ____longjmp_chk(). */
+#define JB_FRAME_ADDRESS(buf) \
+ ((void *) _jmpbuf_sp (buf))