76 lines
3 KiB
C++
76 lines
3 KiB
C++
/*
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* Copyright (c) 2003-2004 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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* Authors: Gabe Black
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* Ali Saidi
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*/
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#include "arch/alpha/isa_traits.hh"
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#include "arch/alpha/process.hh"
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#include "base/loader/object_file.hh"
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#include "base/misc.hh"
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#include "cpu/thread_context.hh"
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#include "sim/system.hh"
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using namespace AlphaISA;
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using namespace std;
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AlphaLiveProcess::AlphaLiveProcess(const std::string &nm, ObjectFile *objFile,
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System *_system, int stdin_fd, int stdout_fd, int stderr_fd,
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std::vector<std::string> &argv, std::vector<std::string> &envp,
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const std::string &cwd,
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uint64_t _uid, uint64_t _euid, uint64_t _gid, uint64_t _egid,
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uint64_t _pid, uint64_t _ppid)
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: LiveProcess(nm, objFile, _system, stdin_fd, stdout_fd, stderr_fd,
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argv, envp, cwd, _uid, _euid, _gid, _egid, _pid, _ppid)
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{
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brk_point = objFile->dataBase() + objFile->dataSize() + objFile->bssSize();
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brk_point = roundUp(brk_point, VMPageSize);
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// Set up stack. On Alpha, stack goes below text section. This
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// code should get moved to some architecture-specific spot.
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stack_base = objFile->textBase() - (409600+4096);
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// Set up region for mmaps. Tru64 seems to start just above 0 and
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// grow up from there.
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mmap_start = mmap_end = 0x10000;
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// Set pointer for next thread stack. Reserve 8M for main stack.
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next_thread_stack_base = stack_base - (8 * 1024 * 1024);
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}
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void
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AlphaLiveProcess::startup()
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{
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argsInit(MachineBytes, VMPageSize);
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threadContexts[0]->setIntReg(GlobalPointerReg, objFile->globalPointer());
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}
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