6a49dee3f3
When restoring from a checkpoint, the simulation used to use file handles from the checkpoint. This disallows multiple separate restore simulations from using separate input and output files and directories, and plays havoc when the checkpointed file locations may have changed. Add handling to allow the command line specified files to be used as input/output for the restored simulation (Note: this is the similar functionality to FS mode for output and error).
772 lines
23 KiB
C++
772 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 <fcntl.h>
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#include <unistd.h>
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#include <cstdio>
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#include <map>
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#include <string>
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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/intmath.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/multi_level_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/debug.hh"
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#include "sim/process.hh"
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#include "sim/process_impl.hh"
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#include "sim/stats.hh"
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#include "sim/syscall_emul.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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M5_pid(system->allocatePID()),
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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(), M5_pid, system)) :
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static_cast<PageTableBase *>(new FuncPageTable(name(), M5_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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{
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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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SERIALIZE_SCALAR(M5_pid);
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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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UNSERIALIZE_OPT_SCALAR(M5_pid);
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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);
|
|
return true;
|
|
}
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// LiveProcess member definitions
|
|
//
|
|
////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
LiveProcess::LiveProcess(LiveProcessParams *params, ObjectFile *_objFile)
|
|
: Process(params), objFile(_objFile),
|
|
argv(params->cmd), envp(params->env), cwd(params->cwd),
|
|
executable(params->executable),
|
|
__uid(params->uid), __euid(params->euid),
|
|
__gid(params->gid), __egid(params->egid),
|
|
__pid(params->pid), __ppid(params->ppid),
|
|
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);
|
|
}
|