From dba942c80dc2cfa5768a856fff98e22a755fdd27 Mon Sep 17 00:00:00 2001 From: Waldemar Brodkorb Date: Tue, 4 Oct 2016 06:51:35 +0200 Subject: add experimental aarch64 support Ported over from GNU C Library and runtime tested in Qemu. --- libc/sysdeps/linux/aarch64/jmpbuf-unwind.h | 34 ++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 libc/sysdeps/linux/aarch64/jmpbuf-unwind.h (limited to 'libc/sysdeps/linux/aarch64/jmpbuf-unwind.h') diff --git a/libc/sysdeps/linux/aarch64/jmpbuf-unwind.h b/libc/sysdeps/linux/aarch64/jmpbuf-unwind.h new file mode 100644 index 000000000..77bad1d41 --- /dev/null +++ b/libc/sysdeps/linux/aarch64/jmpbuf-unwind.h @@ -0,0 +1,34 @@ +/* Copyright (C) 2005-2016 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 + . */ + +#include +#include +#include +#include + +/* Test if longjmp to JMPBUF would unwind the frame + containing a local variable at ADDRESS. */ +#define _JMPBUF_UNWINDS(jmpbuf, address, demangle) \ + ((void *) (address) < (void *) demangle (jmpbuf[JB_SP])) + +#define _JMPBUF_CFA_UNWINDS_ADJ(jmpbuf, context, adj) \ + _JMPBUF_UNWINDS_ADJ (jmpbuf, (void *) _Unwind_GetCFA (context), adj) + +#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \ + ((uintptr_t) (_address) - (_adj) < _jmpbuf_sp (_jmpbuf) - (_adj)) + -- cgit v1.2.3