8a4fcdee4d
By delegating actually calling usage() elsewhere, we can remove a dependency from the commands themselves, and also make testing easier since we won't exit() every time we call a command with bad arguments. Change-Id: I6b8e2cb77ce0456b16673f10349362cc53218bba Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/27565 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com> Tested-by: kokoro <noreply+kokoro@google.com>
58 lines
2.2 KiB
C++
58 lines
2.2 KiB
C++
/*
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* Copyright (c) 2003-2005 The Regents of The University of Michigan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <iostream>
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#include "args.hh"
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#include "command.hh"
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#include "dispatch_table.hh"
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namespace
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{
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// For testing purposes.
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bool
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do_sum(const DispatchTable &dt, Args &args)
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{
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uint64_t a, b, c, d, e, f;
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if (!args.pop(a) || !args.pop(b) || !args.pop(c, 0) ||
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!args.pop(d, 0) || !args.pop(e, 0) || !args.pop(f, 0))
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return false;
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unsigned sum = (*dt.m5_sum)(a, b, c, d, e, f);
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std::cout << "Sum is " << sum << "." << std::endl;
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return true;
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}
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Command sum = {
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"sum", 2, 6, do_sum, "<a> <b> [c [d [e [f]]]]\n"
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" Sum a-f (defaults are 0), for testing purposes" };
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} // anonymous namespace
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