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19eaf54bc9
* Add missing Linux headers. Closes #9837 * Update existing headers to latest Linux. * Consolidate headers that are the same for multiple Zig target CPU architectures. For example, Linux has only an x86 directory for both x86_64 and x86 CPU architectures. Now Zig only ships an x86 directory for Linux headers, and will emit the proper corresponding -isystem flags. * tools/update-linux-headers.zig is now available for upgrading to newer Linux headers, and the update process is now documented on the wiki.
28 lines
No EOL
995 B
C
Vendored
28 lines
No EOL
995 B
C
Vendored
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Amit Bhor, Sameer Dhavale: Codito Technologies 2004
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*/
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#ifndef _ASM_ARC_SIGNAL_H
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#define _ASM_ARC_SIGNAL_H
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/*
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* This is much needed for ARC sigreturn optimization.
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* This allows uClibc to piggback the addr of a sigreturn stub in sigaction,
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* which allows sigreturn based re-entry into kernel after handling signal.
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* W/o this kernel needs to "synthesize" the sigreturn trampoline on user
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* mode stack which in turn forces the following:
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* -TLB Flush (after making the stack page executable)
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* -Cache line Flush (to make I/D Cache lines coherent)
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*/
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#define SA_RESTORER 0x04000000
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#include <asm-generic/signal.h>
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#endif /* _ASM_ARC_SIGNAL_H */ |