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https://github.com/Zenithsiz/ftmemsim-valgrind.git
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78 lines
2.9 KiB
C
78 lines
2.9 KiB
C
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/*--------------------------------------------------------------------*/
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/*--- Create/destroy signal delivery frames. ---*/
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/*--- pub_core_sigframe.h ---*/
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/*--------------------------------------------------------------------*/
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/*
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This file is part of Valgrind, a dynamic binary instrumentation
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framework.
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Copyright (C) 2000-2017 Julian Seward
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jseward@acm.org
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <http://www.gnu.org/licenses/>.
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The GNU General Public License is contained in the file COPYING.
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*/
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#ifndef __PUB_CORE_SIGFRAME_H
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#define __PUB_CORE_SIGFRAME_H
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#include "pub_core_basics.h" // VG_ macro
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#include "pub_core_vki.h" // vki_sigset_t et al.
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//--------------------------------------------------------------------
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// PURPOSE: This module creates and destroys signal delivery frames
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// for client threads, saving/restoring the thread CPU state in the
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// frame appropriately.
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//--------------------------------------------------------------------
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/* This is an arbitrary si_code that we only use internally for SIGSEGV.
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It corresponds to the value SI_KERNEL on Linux, but that's not really
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of any significance. */
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#define VKI_SEGV_MADE_UP_GPF 0x80
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/* Create a signal frame for thread 'tid'. */
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extern
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void VG_(sigframe_create) ( ThreadId tid,
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Bool on_altstack,
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Addr sp_top_of_frame,
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const vki_siginfo_t *siginfo,
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const struct vki_ucontext *uc,
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void *handler,
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UInt flags,
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const vki_sigset_t *mask,
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void *restorer );
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/* Remove a signal frame from thread 'tid's stack, and
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restore the CPU state from it. */
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#ifdef VGO_freebsd
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extern
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void VG_(sigframe_destroy)( ThreadId tid );
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#else
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extern
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void VG_(sigframe_destroy)( ThreadId tid, Bool isRT );
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#endif
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#if defined(VGO_solaris)
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extern
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void VG_(sigframe_return)(ThreadId tid, const vki_ucontext_t *uc);
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#endif
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#endif // __PUB_CORE_SIGFRAME_H
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/*--------------------------------------------------------------------*/
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/*--- end pub_core_sigframe.h ---*/
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/*--------------------------------------------------------------------*/
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