768 lines
23 KiB
C++
768 lines
23 KiB
C++
/*
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* Copyright (c) 2014 Advanced Micro Devices, Inc.
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* Copyright (c) 2012 ARM Limited
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* All rights reserved
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*
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* The license below extends only to copyright in the software and shall
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* not be construed as granting a license to any other intellectual
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* property including but not limited to intellectual property relating
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* to a hardware implementation of the functionality of the software
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* licensed hereunder. You may use the software subject to the license
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* terms below provided that you ensure that this notice is replicated
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* unmodified and in its entirety in all distributions of the software,
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* modified or unmodified, in source code or in binary form.
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*
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* Copyright (c) 2001-2005 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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* Authors: Nathan Binkert
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* Steve Reinhardt
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* Ali Saidi
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*/
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#include "sim/process.hh"
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#include <fcntl.h>
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#include <unistd.h>
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#include <array>
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#include <map>
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#include <string>
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#include <vector>
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#include "base/intmath.hh"
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#include "base/loader/object_file.hh"
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#include "base/loader/symtab.hh"
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#include "base/statistics.hh"
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#include "config/the_isa.hh"
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#include "cpu/thread_context.hh"
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#include "mem/page_table.hh"
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#include "mem/se_translating_port_proxy.hh"
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#include "params/LiveProcess.hh"
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#include "params/Process.hh"
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#include "sim/emul_driver.hh"
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#include "sim/syscall_desc.hh"
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#include "sim/system.hh"
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#if THE_ISA == ALPHA_ISA
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#include "arch/alpha/linux/process.hh"
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#elif THE_ISA == SPARC_ISA
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#include "arch/sparc/linux/process.hh"
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#include "arch/sparc/solaris/process.hh"
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#elif THE_ISA == MIPS_ISA
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#include "arch/mips/linux/process.hh"
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#elif THE_ISA == ARM_ISA
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#include "arch/arm/linux/process.hh"
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#include "arch/arm/freebsd/process.hh"
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#elif THE_ISA == X86_ISA
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#include "arch/x86/linux/process.hh"
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#elif THE_ISA == POWER_ISA
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#include "arch/power/linux/process.hh"
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#elif THE_ISA == RISCV_ISA
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#include "arch/riscv/linux/process.hh"
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#else
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#error "THE_ISA not set"
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#endif
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using namespace std;
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using namespace TheISA;
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// current number of allocated processes
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int num_processes = 0;
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template<class IntType>
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AuxVector<IntType>::AuxVector(IntType type, IntType val)
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{
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a_type = TheISA::htog(type);
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a_val = TheISA::htog(val);
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}
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template struct AuxVector<uint32_t>;
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template struct AuxVector<uint64_t>;
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static int
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openFile(const string& filename, int flags, mode_t mode)
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{
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int sim_fd = open(filename.c_str(), flags, mode);
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if (sim_fd != -1)
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return sim_fd;
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fatal("Unable to open %s with mode %O", filename, mode);
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}
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static int
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openInputFile(const string &filename)
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{
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return openFile(filename, O_RDONLY, 0);
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}
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static int
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openOutputFile(const string &filename)
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{
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return openFile(filename, O_WRONLY | O_CREAT | O_TRUNC, 0664);
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}
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Process::Process(ProcessParams * params)
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: SimObject(params), system(params->system),
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brk_point(0), stack_base(0), stack_size(0), stack_min(0),
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max_stack_size(params->max_stack_size),
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next_thread_stack_base(0),
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useArchPT(params->useArchPT),
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kvmInSE(params->kvmInSE),
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pTable(useArchPT ?
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static_cast<PageTableBase *>(new ArchPageTable(name(), _pid, system)) :
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static_cast<PageTableBase *>(new FuncPageTable(name(), _pid))),
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initVirtMem(system->getSystemPort(), this,
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SETranslatingPortProxy::Always),
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fd_array(make_shared<array<FDEntry, NUM_FDS>>()),
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imap {{"", -1},
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{"cin", STDIN_FILENO},
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{"stdin", STDIN_FILENO}},
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oemap{{"", -1},
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{"cout", STDOUT_FILENO},
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{"stdout", STDOUT_FILENO},
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{"cerr", STDERR_FILENO},
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{"stderr", STDERR_FILENO}},
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_uid(params->uid), _euid(params->euid),
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_gid(params->gid), _egid(params->egid),
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_pid(params->pid), _ppid(params->ppid)
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{
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int sim_fd;
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std::map<string,int>::iterator it;
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// Search through the input options and set fd if match is found;
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// otherwise, open an input file and seek to location.
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FDEntry *fde_stdin = getFDEntry(STDIN_FILENO);
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if ((it = imap.find(params->input)) != imap.end())
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sim_fd = it->second;
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else
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sim_fd = openInputFile(params->input);
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fde_stdin->set(sim_fd, params->input, O_RDONLY, -1, false);
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// Search through the output/error options and set fd if match is found;
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// otherwise, open an output file and seek to location.
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FDEntry *fde_stdout = getFDEntry(STDOUT_FILENO);
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if ((it = oemap.find(params->output)) != oemap.end())
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sim_fd = it->second;
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else
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sim_fd = openOutputFile(params->output);
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fde_stdout->set(sim_fd, params->output, O_WRONLY | O_CREAT | O_TRUNC,
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0664, false);
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FDEntry *fde_stderr = getFDEntry(STDERR_FILENO);
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if (params->output == params->errout)
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// Reuse the same file descriptor if these match.
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sim_fd = fde_stdout->fd;
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else if ((it = oemap.find(params->errout)) != oemap.end())
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sim_fd = it->second;
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else
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sim_fd = openOutputFile(params->errout);
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fde_stderr->set(sim_fd, params->errout, O_WRONLY | O_CREAT | O_TRUNC,
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0664, false);
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mmap_end = 0;
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nxm_start = nxm_end = 0;
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// other parameters will be initialized when the program is loaded
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}
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void
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Process::regStats()
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{
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SimObject::regStats();
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using namespace Stats;
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num_syscalls
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.name(name() + ".num_syscalls")
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.desc("Number of system calls")
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;
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}
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void
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Process::inheritFDArray(Process *p)
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{
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fd_array = p->fd_array;
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}
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ThreadContext *
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Process::findFreeContext()
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{
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for (int id : contextIds) {
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ThreadContext *tc = system->getThreadContext(id);
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if (tc->status() == ThreadContext::Halted)
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return tc;
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}
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return NULL;
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}
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void
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Process::initState()
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{
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if (contextIds.empty())
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fatal("Process %s is not associated with any HW contexts!\n", name());
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// first thread context for this process... initialize & enable
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ThreadContext *tc = system->getThreadContext(contextIds[0]);
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// mark this context as active so it will start ticking.
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tc->activate();
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pTable->initState(tc);
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}
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DrainState
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Process::drain()
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{
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findFileOffsets();
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return DrainState::Drained;
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}
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int
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Process::allocFD(int sim_fd, const string& filename, int flags, int mode,
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bool pipe)
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{
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for (int free_fd = 0; free_fd < fd_array->size(); free_fd++) {
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FDEntry *fde = getFDEntry(free_fd);
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if (fde->isFree()) {
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fde->set(sim_fd, filename, flags, mode, pipe);
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return free_fd;
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}
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}
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fatal("Out of target file descriptors");
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}
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void
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Process::resetFDEntry(int tgt_fd)
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{
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FDEntry *fde = getFDEntry(tgt_fd);
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assert(fde->fd > -1);
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fde->reset();
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}
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int
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Process::getSimFD(int tgt_fd)
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{
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FDEntry *entry = getFDEntry(tgt_fd);
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return entry ? entry->fd : -1;
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}
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FDEntry *
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Process::getFDEntry(int tgt_fd)
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{
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assert(0 <= tgt_fd && tgt_fd < fd_array->size());
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return &(*fd_array)[tgt_fd];
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}
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int
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Process::getTgtFD(int sim_fd)
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{
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for (int index = 0; index < fd_array->size(); index++)
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if ((*fd_array)[index].fd == sim_fd)
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return index;
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return -1;
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}
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void
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Process::allocateMem(Addr vaddr, int64_t size, bool clobber)
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{
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int npages = divCeil(size, (int64_t)PageBytes);
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Addr paddr = system->allocPhysPages(npages);
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pTable->map(vaddr, paddr, size,
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clobber ? PageTableBase::Clobber : PageTableBase::Zero);
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}
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bool
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Process::fixupStackFault(Addr vaddr)
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{
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// Check if this is already on the stack and there's just no page there
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// yet.
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if (vaddr >= stack_min && vaddr < stack_base) {
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allocateMem(roundDown(vaddr, PageBytes), PageBytes);
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return true;
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}
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// We've accessed the next page of the stack, so extend it to include
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// this address.
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if (vaddr < stack_min && vaddr >= stack_base - max_stack_size) {
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while (vaddr < stack_min) {
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stack_min -= TheISA::PageBytes;
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if (stack_base - stack_min > max_stack_size)
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fatal("Maximum stack size exceeded\n");
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allocateMem(stack_min, TheISA::PageBytes);
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inform("Increasing stack size by one page.");
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};
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return true;
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}
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return false;
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}
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void
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Process::fixFileOffsets()
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{
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auto seek = [] (FDEntry *fde)
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{
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if (lseek(fde->fd, fde->fileOffset, SEEK_SET) < 0)
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fatal("Unable to see to location in %s", fde->filename);
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};
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std::map<string,int>::iterator it;
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// Search through the input options and set fd if match is found;
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// otherwise, open an input file and seek to location.
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FDEntry *fde_stdin = getFDEntry(STDIN_FILENO);
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// Check if user has specified a different input file, and if so, use it
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// instead of the file specified in the checkpoint. This also resets the
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// file offset from the checkpointed value
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string new_in = ((ProcessParams*)params())->input;
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if (new_in != fde_stdin->filename) {
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warn("Using new input file (%s) rather than checkpointed (%s)\n",
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new_in, fde_stdin->filename);
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fde_stdin->filename = new_in;
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fde_stdin->fileOffset = 0;
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}
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if ((it = imap.find(fde_stdin->filename)) != imap.end()) {
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fde_stdin->fd = it->second;
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} else {
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fde_stdin->fd = openInputFile(fde_stdin->filename);
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seek(fde_stdin);
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}
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// Search through the output/error options and set fd if match is found;
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// otherwise, open an output file and seek to location.
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FDEntry *fde_stdout = getFDEntry(STDOUT_FILENO);
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// Check if user has specified a different output file, and if so, use it
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// instead of the file specified in the checkpoint. This also resets the
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// file offset from the checkpointed value
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string new_out = ((ProcessParams*)params())->output;
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if (new_out != fde_stdout->filename) {
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warn("Using new output file (%s) rather than checkpointed (%s)\n",
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new_out, fde_stdout->filename);
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fde_stdout->filename = new_out;
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fde_stdout->fileOffset = 0;
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}
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if ((it = oemap.find(fde_stdout->filename)) != oemap.end()) {
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fde_stdout->fd = it->second;
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} else {
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fde_stdout->fd = openOutputFile(fde_stdout->filename);
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seek(fde_stdout);
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}
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FDEntry *fde_stderr = getFDEntry(STDERR_FILENO);
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// Check if user has specified a different error file, and if so, use it
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// instead of the file specified in the checkpoint. This also resets the
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// file offset from the checkpointed value
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string new_err = ((ProcessParams*)params())->errout;
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if (new_err != fde_stderr->filename) {
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warn("Using new error file (%s) rather than checkpointed (%s)\n",
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new_err, fde_stderr->filename);
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fde_stderr->filename = new_err;
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fde_stderr->fileOffset = 0;
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}
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if (fde_stdout->filename == fde_stderr->filename) {
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// Reuse the same file descriptor if these match.
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fde_stderr->fd = fde_stdout->fd;
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} else if ((it = oemap.find(fde_stderr->filename)) != oemap.end()) {
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fde_stderr->fd = it->second;
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} else {
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fde_stderr->fd = openOutputFile(fde_stderr->filename);
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seek(fde_stderr);
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}
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for (int tgt_fd = 3; tgt_fd < fd_array->size(); tgt_fd++) {
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FDEntry *fde = getFDEntry(tgt_fd);
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if (fde->fd == -1)
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continue;
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if (fde->isPipe) {
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if (fde->filename == "PIPE-WRITE")
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continue;
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assert(fde->filename == "PIPE-READ");
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int fds[2];
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if (pipe(fds) < 0)
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fatal("Unable to create new pipe");
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fde->fd = fds[0];
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FDEntry *fde_write = getFDEntry(fde->readPipeSource);
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assert(fde_write->filename == "PIPE-WRITE");
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fde_write->fd = fds[1];
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} else {
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fde->fd = openFile(fde->filename.c_str(), fde->flags, fde->mode);
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seek(fde);
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}
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}
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}
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void
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Process::findFileOffsets()
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{
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for (auto& fde : *fd_array) {
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if (fde.fd != -1)
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fde.fileOffset = lseek(fde.fd, 0, SEEK_CUR);
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}
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}
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void
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Process::setReadPipeSource(int read_pipe_fd, int source_fd)
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{
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FDEntry *fde = getFDEntry(read_pipe_fd);
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assert(source_fd >= -1);
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fde->readPipeSource = source_fd;
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}
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void
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Process::serialize(CheckpointOut &cp) const
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{
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SERIALIZE_SCALAR(brk_point);
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SERIALIZE_SCALAR(stack_base);
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SERIALIZE_SCALAR(stack_size);
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SERIALIZE_SCALAR(stack_min);
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SERIALIZE_SCALAR(next_thread_stack_base);
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SERIALIZE_SCALAR(mmap_end);
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SERIALIZE_SCALAR(nxm_start);
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SERIALIZE_SCALAR(nxm_end);
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pTable->serialize(cp);
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for (int x = 0; x < fd_array->size(); x++) {
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(*fd_array)[x].serializeSection(cp, csprintf("FDEntry%d", x));
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}
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}
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void
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Process::unserialize(CheckpointIn &cp)
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{
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UNSERIALIZE_SCALAR(brk_point);
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UNSERIALIZE_SCALAR(stack_base);
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UNSERIALIZE_SCALAR(stack_size);
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UNSERIALIZE_SCALAR(stack_min);
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UNSERIALIZE_SCALAR(next_thread_stack_base);
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UNSERIALIZE_SCALAR(mmap_end);
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UNSERIALIZE_SCALAR(nxm_start);
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UNSERIALIZE_SCALAR(nxm_end);
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pTable->unserialize(cp);
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for (int x = 0; x < fd_array->size(); x++) {
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FDEntry *fde = getFDEntry(x);
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fde->unserializeSection(cp, csprintf("FDEntry%d", x));
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}
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fixFileOffsets();
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// The above returns a bool so that you could do something if you don't
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// find the param in the checkpoint if you wanted to, like set a default
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// but in this case we'll just stick with the instantiated value if not
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// found.
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}
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bool
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Process::map(Addr vaddr, Addr paddr, int size, bool cacheable)
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{
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pTable->map(vaddr, paddr, size,
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cacheable ? PageTableBase::Zero : PageTableBase::Uncacheable);
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return true;
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}
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////////////////////////////////////////////////////////////////////////
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//
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// LiveProcess member definitions
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//
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////////////////////////////////////////////////////////////////////////
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LiveProcess::LiveProcess(LiveProcessParams *params, ObjectFile *_objFile)
|
|
: Process(params), objFile(_objFile),
|
|
argv(params->cmd), envp(params->env), cwd(params->cwd),
|
|
executable(params->executable),
|
|
drivers(params->drivers)
|
|
{
|
|
|
|
// load up symbols, if any... these may be used for debugging or
|
|
// profiling.
|
|
if (!debugSymbolTable) {
|
|
debugSymbolTable = new SymbolTable();
|
|
if (!objFile->loadGlobalSymbols(debugSymbolTable) ||
|
|
!objFile->loadLocalSymbols(debugSymbolTable) ||
|
|
!objFile->loadWeakSymbols(debugSymbolTable)) {
|
|
// didn't load any symbols
|
|
delete debugSymbolTable;
|
|
debugSymbolTable = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
LiveProcess::syscall(int64_t callnum, ThreadContext *tc)
|
|
{
|
|
num_syscalls++;
|
|
|
|
SyscallDesc *desc = getDesc(callnum);
|
|
if (desc == NULL)
|
|
fatal("Syscall %d out of range", callnum);
|
|
|
|
desc->doSyscall(callnum, this, tc);
|
|
}
|
|
|
|
IntReg
|
|
LiveProcess::getSyscallArg(ThreadContext *tc, int &i, int width)
|
|
{
|
|
return getSyscallArg(tc, i);
|
|
}
|
|
|
|
|
|
EmulatedDriver *
|
|
LiveProcess::findDriver(std::string filename)
|
|
{
|
|
for (EmulatedDriver *d : drivers) {
|
|
if (d->match(filename))
|
|
return d;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
void
|
|
LiveProcess::updateBias()
|
|
{
|
|
ObjectFile *interp = objFile->getInterpreter();
|
|
|
|
if (!interp || !interp->relocatable())
|
|
return;
|
|
|
|
// Determine how large the interpreters footprint will be in the process
|
|
// address space.
|
|
Addr interp_mapsize = roundUp(interp->mapSize(), TheISA::PageBytes);
|
|
|
|
// We are allocating the memory area; set the bias to the lowest address
|
|
// in the allocated memory region.
|
|
Addr ld_bias = mmapGrowsDown() ? mmap_end - interp_mapsize : mmap_end;
|
|
|
|
// Adjust the process mmap area to give the interpreter room; the real
|
|
// execve system call would just invoke the kernel's internal mmap
|
|
// functions to make these adjustments.
|
|
mmap_end = mmapGrowsDown() ? ld_bias : mmap_end + interp_mapsize;
|
|
|
|
interp->updateBias(ld_bias);
|
|
}
|
|
|
|
|
|
ObjectFile *
|
|
LiveProcess::getInterpreter()
|
|
{
|
|
return objFile->getInterpreter();
|
|
}
|
|
|
|
|
|
Addr
|
|
LiveProcess::getBias()
|
|
{
|
|
ObjectFile *interp = getInterpreter();
|
|
|
|
return interp ? interp->bias() : objFile->bias();
|
|
}
|
|
|
|
|
|
Addr
|
|
LiveProcess::getStartPC()
|
|
{
|
|
ObjectFile *interp = getInterpreter();
|
|
|
|
return interp ? interp->entryPoint() : objFile->entryPoint();
|
|
}
|
|
|
|
|
|
LiveProcess *
|
|
LiveProcess::create(LiveProcessParams * params)
|
|
{
|
|
LiveProcess *process = NULL;
|
|
|
|
// If not specified, set the executable parameter equal to the
|
|
// simulated system's zeroth command line parameter
|
|
if (params->executable == "") {
|
|
params->executable = params->cmd[0];
|
|
}
|
|
|
|
ObjectFile *objFile = createObjectFile(params->executable);
|
|
if (objFile == NULL) {
|
|
fatal("Can't load object file %s", params->executable);
|
|
}
|
|
|
|
#if THE_ISA == ALPHA_ISA
|
|
if (objFile->getArch() != ObjectFile::Alpha)
|
|
fatal("Object file architecture does not match compiled ISA (Alpha).");
|
|
|
|
switch (objFile->getOpSys()) {
|
|
case ObjectFile::UnknownOpSys:
|
|
warn("Unknown operating system; assuming Linux.");
|
|
// fall through
|
|
case ObjectFile::Linux:
|
|
process = new AlphaLinuxProcess(params, objFile);
|
|
break;
|
|
|
|
default:
|
|
fatal("Unknown/unsupported operating system.");
|
|
}
|
|
#elif THE_ISA == SPARC_ISA
|
|
if (objFile->getArch() != ObjectFile::SPARC64 &&
|
|
objFile->getArch() != ObjectFile::SPARC32)
|
|
fatal("Object file architecture does not match compiled ISA (SPARC).");
|
|
switch (objFile->getOpSys()) {
|
|
case ObjectFile::UnknownOpSys:
|
|
warn("Unknown operating system; assuming Linux.");
|
|
// fall through
|
|
case ObjectFile::Linux:
|
|
if (objFile->getArch() == ObjectFile::SPARC64) {
|
|
process = new Sparc64LinuxProcess(params, objFile);
|
|
} else {
|
|
process = new Sparc32LinuxProcess(params, objFile);
|
|
}
|
|
break;
|
|
|
|
|
|
case ObjectFile::Solaris:
|
|
process = new SparcSolarisProcess(params, objFile);
|
|
break;
|
|
|
|
default:
|
|
fatal("Unknown/unsupported operating system.");
|
|
}
|
|
#elif THE_ISA == X86_ISA
|
|
if (objFile->getArch() != ObjectFile::X86_64 &&
|
|
objFile->getArch() != ObjectFile::I386)
|
|
fatal("Object file architecture does not match compiled ISA (x86).");
|
|
switch (objFile->getOpSys()) {
|
|
case ObjectFile::UnknownOpSys:
|
|
warn("Unknown operating system; assuming Linux.");
|
|
// fall through
|
|
case ObjectFile::Linux:
|
|
if (objFile->getArch() == ObjectFile::X86_64) {
|
|
process = new X86_64LinuxProcess(params, objFile);
|
|
} else {
|
|
process = new I386LinuxProcess(params, objFile);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
fatal("Unknown/unsupported operating system.");
|
|
}
|
|
#elif THE_ISA == MIPS_ISA
|
|
if (objFile->getArch() != ObjectFile::Mips)
|
|
fatal("Object file architecture does not match compiled ISA (MIPS).");
|
|
switch (objFile->getOpSys()) {
|
|
case ObjectFile::UnknownOpSys:
|
|
warn("Unknown operating system; assuming Linux.");
|
|
// fall through
|
|
case ObjectFile::Linux:
|
|
process = new MipsLinuxProcess(params, objFile);
|
|
break;
|
|
|
|
default:
|
|
fatal("Unknown/unsupported operating system.");
|
|
}
|
|
#elif THE_ISA == ARM_ISA
|
|
ObjectFile::Arch arch = objFile->getArch();
|
|
if (arch != ObjectFile::Arm && arch != ObjectFile::Thumb &&
|
|
arch != ObjectFile::Arm64)
|
|
fatal("Object file architecture does not match compiled ISA (ARM).");
|
|
switch (objFile->getOpSys()) {
|
|
case ObjectFile::UnknownOpSys:
|
|
warn("Unknown operating system; assuming Linux.");
|
|
// fall through
|
|
case ObjectFile::Linux:
|
|
if (arch == ObjectFile::Arm64) {
|
|
process = new ArmLinuxProcess64(params, objFile,
|
|
objFile->getArch());
|
|
} else {
|
|
process = new ArmLinuxProcess32(params, objFile,
|
|
objFile->getArch());
|
|
}
|
|
break;
|
|
case ObjectFile::FreeBSD:
|
|
if (arch == ObjectFile::Arm64) {
|
|
process = new ArmFreebsdProcess64(params, objFile,
|
|
objFile->getArch());
|
|
} else {
|
|
process = new ArmFreebsdProcess32(params, objFile,
|
|
objFile->getArch());
|
|
}
|
|
break;
|
|
case ObjectFile::LinuxArmOABI:
|
|
fatal("M5 does not support ARM OABI binaries. Please recompile with an"
|
|
" EABI compiler.");
|
|
default:
|
|
fatal("Unknown/unsupported operating system.");
|
|
}
|
|
#elif THE_ISA == POWER_ISA
|
|
if (objFile->getArch() != ObjectFile::Power)
|
|
fatal("Object file architecture does not match compiled ISA (Power).");
|
|
switch (objFile->getOpSys()) {
|
|
case ObjectFile::UnknownOpSys:
|
|
warn("Unknown operating system; assuming Linux.");
|
|
// fall through
|
|
case ObjectFile::Linux:
|
|
process = new PowerLinuxProcess(params, objFile);
|
|
break;
|
|
|
|
default:
|
|
fatal("Unknown/unsupported operating system.");
|
|
}
|
|
#elif THE_ISA == RISCV_ISA
|
|
if (objFile->getArch() != ObjectFile::Riscv)
|
|
fatal("Object file architecture does not match compiled ISA (RISCV).");
|
|
switch (objFile->getOpSys()) {
|
|
case ObjectFile::UnknownOpSys:
|
|
warn("Unknown operating system; assuming Linux.");
|
|
// fall through
|
|
case ObjectFile::Linux:
|
|
process = new RiscvLinuxProcess(params, objFile);
|
|
break;
|
|
default:
|
|
fatal("Unknown/unsupported operating system.");
|
|
}
|
|
#else
|
|
#error "THE_ISA not set"
|
|
#endif
|
|
|
|
if (process == NULL)
|
|
fatal("Unknown error creating process object.");
|
|
return process;
|
|
}
|
|
|
|
LiveProcess *
|
|
LiveProcessParams::create()
|
|
{
|
|
return LiveProcess::create(this);
|
|
}
|