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/sys/ucontext.h | 53 +++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 libc/sysdeps/linux/aarch64/sys/ucontext.h (limited to 'libc/sysdeps/linux/aarch64/sys/ucontext.h') diff --git a/libc/sysdeps/linux/aarch64/sys/ucontext.h b/libc/sysdeps/linux/aarch64/sys/ucontext.h new file mode 100644 index 000000000..d17458896 --- /dev/null +++ b/libc/sysdeps/linux/aarch64/sys/ucontext.h @@ -0,0 +1,53 @@ +/* Copyright (C) 1998-2016 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 + . */ + +/* System V/AArch64 ABI compliant context switching support. */ + +#ifndef _SYS_UCONTEXT_H +#define _SYS_UCONTEXT_H 1 + +#include +#include + +#include + +typedef elf_greg_t greg_t; + +/* Container for all general registers. */ +typedef elf_gregset_t gregset_t; + +/* Structure to describe FPU registers. */ +typedef elf_fpregset_t fpregset_t; + +/* Context to describe whole processor state. This only describes + the core registers; coprocessor registers get saved elsewhere + (e.g. in uc_regspace, or somewhere unspecified on the stack + during non-RT signal handlers). */ +typedef struct sigcontext mcontext_t; + +/* Userlevel context. */ +typedef struct ucontext + { + unsigned long uc_flags; + struct ucontext *uc_link; + stack_t uc_stack; + __sigset_t uc_sigmask; + mcontext_t uc_mcontext; + } ucontext_t; + +#endif /* sys/ucontext.h */ -- cgit v1.2.3