A Discrete-Event Network Simulator
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breakpoint.h
Go to the documentation of this file.
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/*
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* Copyright (c) 2006,2007 INESC Porto, INRIA
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*
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* SPDX-License-Identifier: GPL-2.0-only
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*
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* Author: Gustavo Carneiro <gjc@inescporto.pt>
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* Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
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*/
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#ifndef BREAKPOINT_H
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#define BREAKPOINT_H
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/**
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* \file
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* \ingroup breakpoint
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* NS_BREAKPOINT() macro definition and ns3::BreakpointFallback
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* function declaration.
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*/
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namespace
ns3
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{
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/* Hacker macro to place breakpoints for selected machines.
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* Actual use is strongly discouraged of course ;)
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* Copied from GLib 2.12.9.
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* Modified by the GLib Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GLib Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GLib at ftp://ftp.gtk.org/pub/gtk/.
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*/
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/**
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* \ingroup debugging
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* \defgroup breakpoint Breakpoints
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*
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* \brief Trigger a debugger breakpoint.
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*/
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/**
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* \ingroup breakpoint
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*
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* Inserts a breakpoint instruction (or equivalent system call) into
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* the code for selected machines. When an NS_ASSERT cannot verify
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* its condition, this macro is used. Falls back to calling
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* ns3::BreakpointFallback() for architectures where breakpoint assembly
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* instructions are not supported.
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*/
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#if (defined(__i386__) || defined(__amd64__) || defined(__x86_64__)) && defined(__GNUC__) && \
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__GNUC__ >= 2
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#define NS_BREAKPOINT() \
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do \
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{ \
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__asm__ __volatile__("int $03"); \
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} while (false)
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#elif defined(_MSC_VER) && defined(_M_IX86)
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#define NS_BREAKPOINT() \
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do \
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{ \
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__asm int 3h \
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} while (false)
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#elif defined(__alpha__) && !defined(__osf__) && defined(__GNUC__) && __GNUC__ >= 2
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#define NS_BREAKPOINT() \
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do \
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{ \
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__asm__ __volatile__("bpt"); \
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} while (false)
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#else
/* !__i386__ && !__alpha__ */
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#define NS_BREAKPOINT() ns3::BreakpointFallback()
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#endif
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/**
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* \ingroup breakpoint
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*
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* \brief fallback breakpoint function
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*
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* This function is used by the NS_BREAKPOINT() macro as a fallback
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* for when breakpoint assembly instructions are not available. It
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* attempts to halt program execution either by a raising SIGTRAP, on
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* unix systems, or by dereferencing a null pointer.
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*
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* Normally you should not call this function directly.
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*/
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void
BreakpointFallback
();
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}
// namespace ns3
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#endif
/* BREAKPOINT_H */
ns3::BreakpointFallback
void BreakpointFallback()
fallback breakpoint function
Definition
breakpoint.cc:43
ns3
Every class exported by the ns3 library is enclosed in the ns3 namespace.
src
core
model
breakpoint.h
Generated on Fri Nov 8 2024 13:58:59 for ns-3 by
1.11.0