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authorAndrew Kelley <andrew@ziglang.org>2019-07-15 20:46:12 -0400
committerGitHub <noreply@github.com>2019-07-15 20:46:12 -0400
commit3f4abe97bdbe666dbb3532c14a97e414aae4caca (patch)
treeba08f2f14e79a8c8f7e83cea0344826fefffd9a2 /lib/libc/include/aarch64_be-linux-gnu/sys/ucontext.h
parent33eaaadd01b20d1327b67758664ce1265216e471 (diff)
parentaff90c22520bbbadd56fbfd1378f161ee8a3cdb2 (diff)
downloadzig-3f4abe97bdbe666dbb3532c14a97e414aae4caca.tar.gz
zig-3f4abe97bdbe666dbb3532c14a97e414aae4caca.zip
Merge pull request #2892 from ziglang/install-with-zig-build
move some of the installation from cmake to zig build
Diffstat (limited to 'lib/libc/include/aarch64_be-linux-gnu/sys/ucontext.h')
-rw-r--r--lib/libc/include/aarch64_be-linux-gnu/sys/ucontext.h78
1 files changed, 78 insertions, 0 deletions
diff --git a/lib/libc/include/aarch64_be-linux-gnu/sys/ucontext.h b/lib/libc/include/aarch64_be-linux-gnu/sys/ucontext.h
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@@ -0,0 +1,78 @@
+/* Copyright (C) 1998-2019 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/>. */
+
+/* System V/AArch64 ABI compliant context switching support. */
+
+#ifndef _SYS_UCONTEXT_H
+#define _SYS_UCONTEXT_H 1
+
+#include <features.h>
+
+#include <bits/types/sigset_t.h>
+#include <bits/types/stack_t.h>
+
+#ifdef __USE_MISC
+# define __ctx(fld) fld
+#else
+# define __ctx(fld) __ ## fld
+#endif
+
+#ifdef __USE_MISC
+# include <sys/procfs.h>
+
+
+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;
+#endif
+
+/* 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
+ {
+ unsigned long long int __ctx(fault_address);
+ unsigned long long int __ctx(regs)[31];
+ unsigned long long int __ctx(sp);
+ unsigned long long int __ctx(pc);
+ unsigned long long int __ctx(pstate);
+ /* This field contains extension records for additional processor
+ state such as the FP/SIMD state. It has to match the definition
+ of the corresponding field in the sigcontext struct, see the
+ arch/arm64/include/uapi/asm/sigcontext.h linux header for details. */
+ unsigned char __reserved[4096] __attribute__ ((__aligned__ (16)));
+ } mcontext_t;
+
+/* Userlevel context. */
+typedef struct ucontext_t
+ {
+ unsigned long __ctx(uc_flags);
+ struct ucontext_t *uc_link;
+ stack_t uc_stack;
+ sigset_t uc_sigmask;
+ mcontext_t uc_mcontext;
+ } ucontext_t;
+
+#undef __ctx
+
+#endif /* sys/ucontext.h */ \ No newline at end of file