process.cc revision 11851
12SN/A/* 210298Salexandru.dutu@amd.com * Copyright (c) 2014 Advanced Micro Devices, Inc. 38852Sandreas.hansson@arm.com * Copyright (c) 2012 ARM Limited 48852Sandreas.hansson@arm.com * All rights reserved 58852Sandreas.hansson@arm.com * 68852Sandreas.hansson@arm.com * The license below extends only to copyright in the software and shall 78852Sandreas.hansson@arm.com * not be construed as granting a license to any other intellectual 88852Sandreas.hansson@arm.com * property including but not limited to intellectual property relating 98852Sandreas.hansson@arm.com * to a hardware implementation of the functionality of the software 108852Sandreas.hansson@arm.com * licensed hereunder. You may use the software subject to the license 118852Sandreas.hansson@arm.com * terms below provided that you ensure that this notice is replicated 128852Sandreas.hansson@arm.com * unmodified and in its entirety in all distributions of the software, 138852Sandreas.hansson@arm.com * modified or unmodified, in source code or in binary form. 148852Sandreas.hansson@arm.com * 151762SN/A * Copyright (c) 2001-2005 The Regents of The University of Michigan 162SN/A * All rights reserved. 172SN/A * 182SN/A * Redistribution and use in source and binary forms, with or without 192SN/A * modification, are permitted provided that the following conditions are 202SN/A * met: redistributions of source code must retain the above copyright 212SN/A * notice, this list of conditions and the following disclaimer; 222SN/A * redistributions in binary form must reproduce the above copyright 232SN/A * notice, this list of conditions and the following disclaimer in the 242SN/A * documentation and/or other materials provided with the distribution; 252SN/A * neither the name of the copyright holders nor the names of its 262SN/A * contributors may be used to endorse or promote products derived from 272SN/A * this software without specific prior written permission. 282SN/A * 292SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 302SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 312SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 322SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 332SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 342SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 352SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 362SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 372SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 382SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 392SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 402665Ssaidi@eecs.umich.edu * 412665Ssaidi@eecs.umich.edu * Authors: Nathan Binkert 422665Ssaidi@eecs.umich.edu * Steve Reinhardt 432665Ssaidi@eecs.umich.edu * Ali Saidi 442SN/A */ 452SN/A 4611793Sbrandon.potter@amd.com#include "sim/process.hh" 4711793Sbrandon.potter@amd.com 488229Snate@binkert.org#include <fcntl.h> 492SN/A#include <unistd.h> 506712Snate@binkert.org 5111800Sbrandon.potter@amd.com#include <array> 5210930Sbrandon.potter@amd.com#include <map> 532SN/A#include <string> 5411800Sbrandon.potter@amd.com#include <vector> 552SN/A 5611793Sbrandon.potter@amd.com#include "base/intmath.hh" 5756SN/A#include "base/loader/object_file.hh" 581158SN/A#include "base/loader/symtab.hh" 59146SN/A#include "base/statistics.hh" 606658Snate@binkert.org#include "config/the_isa.hh" 612680Sktlim@umich.edu#include "cpu/thread_context.hh" 622378SN/A#include "mem/page_table.hh" 638706Sandreas.hansson@arm.com#include "mem/se_translating_port_proxy.hh" 645154Sgblack@eecs.umich.edu#include "params/Process.hh" 6511800Sbrandon.potter@amd.com#include "sim/emul_driver.hh" 6611794Sbrandon.potter@amd.com#include "sim/syscall_desc.hh" 672378SN/A#include "sim/system.hh" 682SN/A 692715Sstever@eecs.umich.edu#if THE_ISA == ALPHA_ISA 702715Sstever@eecs.umich.edu#include "arch/alpha/linux/process.hh" 712715Sstever@eecs.umich.edu#elif THE_ISA == SPARC_ISA 722715Sstever@eecs.umich.edu#include "arch/sparc/linux/process.hh" 732715Sstever@eecs.umich.edu#include "arch/sparc/solaris/process.hh" 742715Sstever@eecs.umich.edu#elif THE_ISA == MIPS_ISA 752715Sstever@eecs.umich.edu#include "arch/mips/linux/process.hh" 765335Shines@cs.fsu.edu#elif THE_ISA == ARM_ISA 775335Shines@cs.fsu.edu#include "arch/arm/linux/process.hh" 7810810Sbr@bsdpad.com#include "arch/arm/freebsd/process.hh" 794157Sgblack@eecs.umich.edu#elif THE_ISA == X86_ISA 804166Sgblack@eecs.umich.edu#include "arch/x86/linux/process.hh" 816691Stjones1@inf.ed.ac.uk#elif THE_ISA == POWER_ISA 826691Stjones1@inf.ed.ac.uk#include "arch/power/linux/process.hh" 8311723Sar4jc@virginia.edu#elif THE_ISA == RISCV_ISA 8411723Sar4jc@virginia.edu#include "arch/riscv/linux/process.hh" 852715Sstever@eecs.umich.edu#else 862715Sstever@eecs.umich.edu#error "THE_ISA not set" 872715Sstever@eecs.umich.edu#endif 882715Sstever@eecs.umich.edu 892715Sstever@eecs.umich.edu 902SN/Ausing namespace std; 912107SN/Ausing namespace TheISA; 922SN/A 932SN/A// current number of allocated processes 942SN/Aint num_processes = 0; 952SN/A 965758Shsul@eecs.umich.edutemplate<class IntType> 9710932Sbrandon.potter@amd.com 985771Shsul@eecs.umich.eduAuxVector<IntType>::AuxVector(IntType type, IntType val) 995758Shsul@eecs.umich.edu{ 1005758Shsul@eecs.umich.edu a_type = TheISA::htog(type); 1015758Shsul@eecs.umich.edu a_val = TheISA::htog(val); 1025758Shsul@eecs.umich.edu} 1035758Shsul@eecs.umich.edu 1048737Skoansin.tan@gmail.comtemplate struct AuxVector<uint32_t>; 1058737Skoansin.tan@gmail.comtemplate struct AuxVector<uint64_t>; 1065758Shsul@eecs.umich.edu 10710930Sbrandon.potter@amd.comstatic int 10810930Sbrandon.potter@amd.comopenFile(const string& filename, int flags, mode_t mode) 10910930Sbrandon.potter@amd.com{ 11010930Sbrandon.potter@amd.com int sim_fd = open(filename.c_str(), flags, mode); 11110930Sbrandon.potter@amd.com if (sim_fd != -1) 11210930Sbrandon.potter@amd.com return sim_fd; 11310930Sbrandon.potter@amd.com fatal("Unable to open %s with mode %O", filename, mode); 11410930Sbrandon.potter@amd.com} 11510930Sbrandon.potter@amd.com 11610930Sbrandon.potter@amd.comstatic int 11710930Sbrandon.potter@amd.comopenInputFile(const string &filename) 11810930Sbrandon.potter@amd.com{ 11910930Sbrandon.potter@amd.com return openFile(filename, O_RDONLY, 0); 12010930Sbrandon.potter@amd.com} 12110930Sbrandon.potter@amd.com 12210930Sbrandon.potter@amd.comstatic int 12310930Sbrandon.potter@amd.comopenOutputFile(const string &filename) 12410930Sbrandon.potter@amd.com{ 12510930Sbrandon.potter@amd.com return openFile(filename, O_WRONLY | O_CREAT | O_TRUNC, 0664); 12610930Sbrandon.potter@amd.com} 12710930Sbrandon.potter@amd.com 12811851Sbrandon.potter@amd.comProcess::Process(ProcessParams * params, ObjectFile * obj_file) 1297532Ssteve.reinhardt@amd.com : SimObject(params), system(params->system), 13010559Sandreas.hansson@arm.com brk_point(0), stack_base(0), stack_size(0), stack_min(0), 1318852Sandreas.hansson@arm.com max_stack_size(params->max_stack_size), 13210559Sandreas.hansson@arm.com next_thread_stack_base(0), 13310299Salexandru.dutu@amd.com useArchPT(params->useArchPT), 13410554Salexandru.dutu@amd.com kvmInSE(params->kvmInSE), 13510299Salexandru.dutu@amd.com pTable(useArchPT ? 13611813Sbaz21@cam.ac.uk static_cast<PageTableBase *>(new ArchPageTable(name(), params->pid, 13711813Sbaz21@cam.ac.uk system)) : 13811813Sbaz21@cam.ac.uk static_cast<PageTableBase *>(new FuncPageTable(name(), params->pid))), 1398852Sandreas.hansson@arm.com initVirtMem(system->getSystemPort(), this, 14010929Sbrandon.potter@amd.com SETranslatingPortProxy::Always), 14110930Sbrandon.potter@amd.com fd_array(make_shared<array<FDEntry, NUM_FDS>>()), 14210930Sbrandon.potter@amd.com imap {{"", -1}, 14310930Sbrandon.potter@amd.com {"cin", STDIN_FILENO}, 14410930Sbrandon.potter@amd.com {"stdin", STDIN_FILENO}}, 14510930Sbrandon.potter@amd.com oemap{{"", -1}, 14610930Sbrandon.potter@amd.com {"cout", STDOUT_FILENO}, 14710930Sbrandon.potter@amd.com {"stdout", STDOUT_FILENO}, 14810930Sbrandon.potter@amd.com {"cerr", STDERR_FILENO}, 14911801Sbrandon.potter@amd.com {"stderr", STDERR_FILENO}}, 15011851Sbrandon.potter@amd.com objFile(obj_file), 15111851Sbrandon.potter@amd.com argv(params->cmd), envp(params->env), cwd(params->cwd), 15211851Sbrandon.potter@amd.com executable(params->executable), 15311801Sbrandon.potter@amd.com _uid(params->uid), _euid(params->euid), 15411801Sbrandon.potter@amd.com _gid(params->gid), _egid(params->egid), 15511851Sbrandon.potter@amd.com _pid(params->pid), _ppid(params->ppid), 15611851Sbrandon.potter@amd.com drivers(params->drivers) 1572SN/A{ 15810930Sbrandon.potter@amd.com int sim_fd; 15910930Sbrandon.potter@amd.com std::map<string,int>::iterator it; 1605154Sgblack@eecs.umich.edu 16110930Sbrandon.potter@amd.com // Search through the input options and set fd if match is found; 16210930Sbrandon.potter@amd.com // otherwise, open an input file and seek to location. 16310932Sbrandon.potter@amd.com FDEntry *fde_stdin = getFDEntry(STDIN_FILENO); 16410930Sbrandon.potter@amd.com if ((it = imap.find(params->input)) != imap.end()) 16510930Sbrandon.potter@amd.com sim_fd = it->second; 16610930Sbrandon.potter@amd.com else 16710930Sbrandon.potter@amd.com sim_fd = openInputFile(params->input); 16810930Sbrandon.potter@amd.com fde_stdin->set(sim_fd, params->input, O_RDONLY, -1, false); 1695154Sgblack@eecs.umich.edu 17010930Sbrandon.potter@amd.com // Search through the output/error options and set fd if match is found; 17110930Sbrandon.potter@amd.com // otherwise, open an output file and seek to location. 17210932Sbrandon.potter@amd.com FDEntry *fde_stdout = getFDEntry(STDOUT_FILENO); 17310930Sbrandon.potter@amd.com if ((it = oemap.find(params->output)) != oemap.end()) 17410930Sbrandon.potter@amd.com sim_fd = it->second; 1755154Sgblack@eecs.umich.edu else 17610930Sbrandon.potter@amd.com sim_fd = openOutputFile(params->output); 17710930Sbrandon.potter@amd.com fde_stdout->set(sim_fd, params->output, O_WRONLY | O_CREAT | O_TRUNC, 17810930Sbrandon.potter@amd.com 0664, false); 1795154Sgblack@eecs.umich.edu 18010932Sbrandon.potter@amd.com FDEntry *fde_stderr = getFDEntry(STDERR_FILENO); 18110930Sbrandon.potter@amd.com if (params->output == params->errout) 18210930Sbrandon.potter@amd.com // Reuse the same file descriptor if these match. 18310930Sbrandon.potter@amd.com sim_fd = fde_stdout->fd; 18410930Sbrandon.potter@amd.com else if ((it = oemap.find(params->errout)) != oemap.end()) 18510930Sbrandon.potter@amd.com sim_fd = it->second; 1865154Sgblack@eecs.umich.edu else 18710930Sbrandon.potter@amd.com sim_fd = openOutputFile(params->errout); 18810930Sbrandon.potter@amd.com fde_stderr->set(sim_fd, params->errout, O_WRONLY | O_CREAT | O_TRUNC, 18910930Sbrandon.potter@amd.com 0664, false); 1902SN/A 19111386Ssteve.reinhardt@amd.com mmap_end = 0; 1921514SN/A nxm_start = nxm_end = 0; 1932SN/A // other parameters will be initialized when the program is loaded 19411851Sbrandon.potter@amd.com 19511851Sbrandon.potter@amd.com // load up symbols, if any... these may be used for debugging or 19611851Sbrandon.potter@amd.com // profiling. 19711851Sbrandon.potter@amd.com if (!debugSymbolTable) { 19811851Sbrandon.potter@amd.com debugSymbolTable = new SymbolTable(); 19911851Sbrandon.potter@amd.com if (!objFile->loadGlobalSymbols(debugSymbolTable) || 20011851Sbrandon.potter@amd.com !objFile->loadLocalSymbols(debugSymbolTable) || 20111851Sbrandon.potter@amd.com !objFile->loadWeakSymbols(debugSymbolTable)) { 20211851Sbrandon.potter@amd.com // didn't load any symbols 20311851Sbrandon.potter@amd.com delete debugSymbolTable; 20411851Sbrandon.potter@amd.com debugSymbolTable = NULL; 20511851Sbrandon.potter@amd.com } 20611851Sbrandon.potter@amd.com } 2072SN/A} 2082SN/A 2092378SN/A 2102SN/Avoid 2112SN/AProcess::regStats() 2122SN/A{ 21311522Sstephan.diestelhorst@arm.com SimObject::regStats(); 21411522Sstephan.diestelhorst@arm.com 215729SN/A using namespace Stats; 2162SN/A 2172SN/A num_syscalls 2188240Snate@binkert.org .name(name() + ".num_syscalls") 2192SN/A .desc("Number of system calls") 2202SN/A ; 2212SN/A} 2222SN/A 22310930Sbrandon.potter@amd.comvoid 22410932Sbrandon.potter@amd.comProcess::inheritFDArray(Process *p) 2252SN/A{ 22610930Sbrandon.potter@amd.com fd_array = p->fd_array; 2272SN/A} 2282SN/A 2295713Shsul@eecs.umich.eduThreadContext * 2305713Shsul@eecs.umich.eduProcess::findFreeContext() 2312SN/A{ 23210929Sbrandon.potter@amd.com for (int id : contextIds) { 23310929Sbrandon.potter@amd.com ThreadContext *tc = system->getThreadContext(id); 23410929Sbrandon.potter@amd.com if (tc->status() == ThreadContext::Halted) 2355713Shsul@eecs.umich.edu return tc; 2365512SMichael.Adler@intel.com } 2375713Shsul@eecs.umich.edu return NULL; 2382SN/A} 2392SN/A 2401395SN/Avoid 2417532Ssteve.reinhardt@amd.comProcess::initState() 2421395SN/A{ 2435713Shsul@eecs.umich.edu if (contextIds.empty()) 2445713Shsul@eecs.umich.edu fatal("Process %s is not associated with any HW contexts!\n", name()); 2452378SN/A 2462680Sktlim@umich.edu // first thread context for this process... initialize & enable 2475713Shsul@eecs.umich.edu ThreadContext *tc = system->getThreadContext(contextIds[0]); 2481395SN/A 2491634SN/A // mark this context as active so it will start ticking. 25010407Smitch.hayenga@arm.com tc->activate(); 25110298Salexandru.dutu@amd.com 25210298Salexandru.dutu@amd.com pTable->initState(tc); 2531395SN/A} 2542SN/A 25510913Sandreas.sandberg@arm.comDrainState 25610913Sandreas.sandberg@arm.comProcess::drain() 25710905Sandreas.sandberg@arm.com{ 25810932Sbrandon.potter@amd.com findFileOffsets(); 25910913Sandreas.sandberg@arm.com return DrainState::Drained; 26010905Sandreas.sandberg@arm.com} 26110905Sandreas.sandberg@arm.com 2622SN/Aint 26310932Sbrandon.potter@amd.comProcess::allocFD(int sim_fd, const string& filename, int flags, int mode, 26410932Sbrandon.potter@amd.com bool pipe) 2652SN/A{ 26610930Sbrandon.potter@amd.com for (int free_fd = 0; free_fd < fd_array->size(); free_fd++) { 26710932Sbrandon.potter@amd.com FDEntry *fde = getFDEntry(free_fd); 26810930Sbrandon.potter@amd.com if (fde->isFree()) { 26910930Sbrandon.potter@amd.com fde->set(sim_fd, filename, flags, mode, pipe); 2701970SN/A return free_fd; 2711970SN/A } 2722SN/A } 2732SN/A 27410930Sbrandon.potter@amd.com fatal("Out of target file descriptors"); 2751970SN/A} 2762SN/A 2771970SN/Avoid 27810932Sbrandon.potter@amd.comProcess::resetFDEntry(int tgt_fd) 2791970SN/A{ 28010932Sbrandon.potter@amd.com FDEntry *fde = getFDEntry(tgt_fd); 28110930Sbrandon.potter@amd.com assert(fde->fd > -1); 2821970SN/A 28310930Sbrandon.potter@amd.com fde->reset(); 2842SN/A} 2852SN/A 2862SN/Aint 28710932Sbrandon.potter@amd.comProcess::getSimFD(int tgt_fd) 2882SN/A{ 28910932Sbrandon.potter@amd.com FDEntry *entry = getFDEntry(tgt_fd); 29010930Sbrandon.potter@amd.com return entry ? entry->fd : -1; 2912SN/A} 2922SN/A 29310930Sbrandon.potter@amd.comFDEntry * 29410932Sbrandon.potter@amd.comProcess::getFDEntry(int tgt_fd) 2955282Srstrong@cs.ucsd.edu{ 29610930Sbrandon.potter@amd.com assert(0 <= tgt_fd && tgt_fd < fd_array->size()); 29710930Sbrandon.potter@amd.com return &(*fd_array)[tgt_fd]; 29810929Sbrandon.potter@amd.com} 2995282Srstrong@cs.ucsd.edu 30010929Sbrandon.potter@amd.comint 30110932Sbrandon.potter@amd.comProcess::getTgtFD(int sim_fd) 30210929Sbrandon.potter@amd.com{ 30310930Sbrandon.potter@amd.com for (int index = 0; index < fd_array->size(); index++) 30410930Sbrandon.potter@amd.com if ((*fd_array)[index].fd == sim_fd) 30510929Sbrandon.potter@amd.com return index; 30610929Sbrandon.potter@amd.com return -1; 3075282Srstrong@cs.ucsd.edu} 3087487Ssteve.reinhardt@amd.com 3098601Ssteve.reinhardt@amd.comvoid 3108601Ssteve.reinhardt@amd.comProcess::allocateMem(Addr vaddr, int64_t size, bool clobber) 3118601Ssteve.reinhardt@amd.com{ 31210318Sandreas.hansson@arm.com int npages = divCeil(size, (int64_t)PageBytes); 3138601Ssteve.reinhardt@amd.com Addr paddr = system->allocPhysPages(npages); 31411294Sandreas.hansson@arm.com pTable->map(vaddr, paddr, size, 31511294Sandreas.hansson@arm.com clobber ? PageTableBase::Clobber : PageTableBase::Zero); 3168601Ssteve.reinhardt@amd.com} 3178601Ssteve.reinhardt@amd.com 3184434Ssaidi@eecs.umich.edubool 3198539Sgblack@eecs.umich.eduProcess::fixupStackFault(Addr vaddr) 3204434Ssaidi@eecs.umich.edu{ 3218539Sgblack@eecs.umich.edu // Check if this is already on the stack and there's just no page there 3228539Sgblack@eecs.umich.edu // yet. 3234434Ssaidi@eecs.umich.edu if (vaddr >= stack_min && vaddr < stack_base) { 32410318Sandreas.hansson@arm.com allocateMem(roundDown(vaddr, PageBytes), PageBytes); 3254434Ssaidi@eecs.umich.edu return true; 3264434Ssaidi@eecs.umich.edu } 3274434Ssaidi@eecs.umich.edu 3288539Sgblack@eecs.umich.edu // We've accessed the next page of the stack, so extend it to include 3298539Sgblack@eecs.umich.edu // this address. 3305154Sgblack@eecs.umich.edu if (vaddr < stack_min && vaddr >= stack_base - max_stack_size) { 3315154Sgblack@eecs.umich.edu while (vaddr < stack_min) { 3325154Sgblack@eecs.umich.edu stack_min -= TheISA::PageBytes; 3338539Sgblack@eecs.umich.edu if (stack_base - stack_min > max_stack_size) 3345154Sgblack@eecs.umich.edu fatal("Maximum stack size exceeded\n"); 3358601Ssteve.reinhardt@amd.com allocateMem(stack_min, TheISA::PageBytes); 3365823Ssaidi@eecs.umich.edu inform("Increasing stack size by one page."); 3375154Sgblack@eecs.umich.edu }; 3384434Ssaidi@eecs.umich.edu return true; 3394434Ssaidi@eecs.umich.edu } 3404434Ssaidi@eecs.umich.edu return false; 3414434Ssaidi@eecs.umich.edu} 3424434Ssaidi@eecs.umich.edu 3435282Srstrong@cs.ucsd.eduvoid 34410932Sbrandon.potter@amd.comProcess::fixFileOffsets() 3457487Ssteve.reinhardt@amd.com{ 34610930Sbrandon.potter@amd.com auto seek = [] (FDEntry *fde) 34710930Sbrandon.potter@amd.com { 34810930Sbrandon.potter@amd.com if (lseek(fde->fd, fde->fileOffset, SEEK_SET) < 0) 34910930Sbrandon.potter@amd.com fatal("Unable to see to location in %s", fde->filename); 35010930Sbrandon.potter@amd.com }; 3515282Srstrong@cs.ucsd.edu 35210930Sbrandon.potter@amd.com std::map<string,int>::iterator it; 3535282Srstrong@cs.ucsd.edu 35410930Sbrandon.potter@amd.com // Search through the input options and set fd if match is found; 35510930Sbrandon.potter@amd.com // otherwise, open an input file and seek to location. 35610932Sbrandon.potter@amd.com FDEntry *fde_stdin = getFDEntry(STDIN_FILENO); 35711785Sjthestness@gmail.com 35811785Sjthestness@gmail.com // Check if user has specified a different input file, and if so, use it 35911785Sjthestness@gmail.com // instead of the file specified in the checkpoint. This also resets the 36011785Sjthestness@gmail.com // file offset from the checkpointed value 36111785Sjthestness@gmail.com string new_in = ((ProcessParams*)params())->input; 36211785Sjthestness@gmail.com if (new_in != fde_stdin->filename) { 36311785Sjthestness@gmail.com warn("Using new input file (%s) rather than checkpointed (%s)\n", 36411785Sjthestness@gmail.com new_in, fde_stdin->filename); 36511785Sjthestness@gmail.com fde_stdin->filename = new_in; 36611785Sjthestness@gmail.com fde_stdin->fileOffset = 0; 36711785Sjthestness@gmail.com } 36811785Sjthestness@gmail.com 36910930Sbrandon.potter@amd.com if ((it = imap.find(fde_stdin->filename)) != imap.end()) { 37010930Sbrandon.potter@amd.com fde_stdin->fd = it->second; 37110930Sbrandon.potter@amd.com } else { 37210930Sbrandon.potter@amd.com fde_stdin->fd = openInputFile(fde_stdin->filename); 37310930Sbrandon.potter@amd.com seek(fde_stdin); 3745282Srstrong@cs.ucsd.edu } 3755282Srstrong@cs.ucsd.edu 37610930Sbrandon.potter@amd.com // Search through the output/error options and set fd if match is found; 37710930Sbrandon.potter@amd.com // otherwise, open an output file and seek to location. 37810932Sbrandon.potter@amd.com FDEntry *fde_stdout = getFDEntry(STDOUT_FILENO); 37911785Sjthestness@gmail.com 38011785Sjthestness@gmail.com // Check if user has specified a different output file, and if so, use it 38111785Sjthestness@gmail.com // instead of the file specified in the checkpoint. This also resets the 38211785Sjthestness@gmail.com // file offset from the checkpointed value 38311785Sjthestness@gmail.com string new_out = ((ProcessParams*)params())->output; 38411785Sjthestness@gmail.com if (new_out != fde_stdout->filename) { 38511785Sjthestness@gmail.com warn("Using new output file (%s) rather than checkpointed (%s)\n", 38611785Sjthestness@gmail.com new_out, fde_stdout->filename); 38711785Sjthestness@gmail.com fde_stdout->filename = new_out; 38811785Sjthestness@gmail.com fde_stdout->fileOffset = 0; 38911785Sjthestness@gmail.com } 39011785Sjthestness@gmail.com 39110930Sbrandon.potter@amd.com if ((it = oemap.find(fde_stdout->filename)) != oemap.end()) { 39210930Sbrandon.potter@amd.com fde_stdout->fd = it->second; 39310930Sbrandon.potter@amd.com } else { 39410930Sbrandon.potter@amd.com fde_stdout->fd = openOutputFile(fde_stdout->filename); 39510930Sbrandon.potter@amd.com seek(fde_stdout); 3965282Srstrong@cs.ucsd.edu } 3975282Srstrong@cs.ucsd.edu 39810932Sbrandon.potter@amd.com FDEntry *fde_stderr = getFDEntry(STDERR_FILENO); 39911785Sjthestness@gmail.com 40011785Sjthestness@gmail.com // Check if user has specified a different error file, and if so, use it 40111785Sjthestness@gmail.com // instead of the file specified in the checkpoint. This also resets the 40211785Sjthestness@gmail.com // file offset from the checkpointed value 40311785Sjthestness@gmail.com string new_err = ((ProcessParams*)params())->errout; 40411785Sjthestness@gmail.com if (new_err != fde_stderr->filename) { 40511785Sjthestness@gmail.com warn("Using new error file (%s) rather than checkpointed (%s)\n", 40611785Sjthestness@gmail.com new_err, fde_stderr->filename); 40711785Sjthestness@gmail.com fde_stderr->filename = new_err; 40811785Sjthestness@gmail.com fde_stderr->fileOffset = 0; 40911785Sjthestness@gmail.com } 41011785Sjthestness@gmail.com 41110930Sbrandon.potter@amd.com if (fde_stdout->filename == fde_stderr->filename) { 41210930Sbrandon.potter@amd.com // Reuse the same file descriptor if these match. 41310930Sbrandon.potter@amd.com fde_stderr->fd = fde_stdout->fd; 41410930Sbrandon.potter@amd.com } else if ((it = oemap.find(fde_stderr->filename)) != oemap.end()) { 41510930Sbrandon.potter@amd.com fde_stderr->fd = it->second; 41610930Sbrandon.potter@amd.com } else { 41710930Sbrandon.potter@amd.com fde_stderr->fd = openOutputFile(fde_stderr->filename); 41810930Sbrandon.potter@amd.com seek(fde_stderr); 4195514SMichael.Adler@intel.com } 4205282Srstrong@cs.ucsd.edu 42110930Sbrandon.potter@amd.com for (int tgt_fd = 3; tgt_fd < fd_array->size(); tgt_fd++) { 42210932Sbrandon.potter@amd.com FDEntry *fde = getFDEntry(tgt_fd); 42310930Sbrandon.potter@amd.com if (fde->fd == -1) 42410930Sbrandon.potter@amd.com continue; 4255282Srstrong@cs.ucsd.edu 42610930Sbrandon.potter@amd.com if (fde->isPipe) { 42710930Sbrandon.potter@amd.com if (fde->filename == "PIPE-WRITE") 42810930Sbrandon.potter@amd.com continue; 42910930Sbrandon.potter@amd.com assert(fde->filename == "PIPE-READ"); 4305282Srstrong@cs.ucsd.edu 43110930Sbrandon.potter@amd.com int fds[2]; 43210930Sbrandon.potter@amd.com if (pipe(fds) < 0) 43310930Sbrandon.potter@amd.com fatal("Unable to create new pipe"); 4345282Srstrong@cs.ucsd.edu 43510930Sbrandon.potter@amd.com fde->fd = fds[0]; 4365282Srstrong@cs.ucsd.edu 43710932Sbrandon.potter@amd.com FDEntry *fde_write = getFDEntry(fde->readPipeSource); 43811378Sbrandon.potter@amd.com assert(fde_write->filename == "PIPE-WRITE"); 43910930Sbrandon.potter@amd.com fde_write->fd = fds[1]; 44010930Sbrandon.potter@amd.com } else { 44110930Sbrandon.potter@amd.com fde->fd = openFile(fde->filename.c_str(), fde->flags, fde->mode); 44210930Sbrandon.potter@amd.com seek(fde); 4435282Srstrong@cs.ucsd.edu } 4445282Srstrong@cs.ucsd.edu } 4455282Srstrong@cs.ucsd.edu} 4467487Ssteve.reinhardt@amd.com 4475282Srstrong@cs.ucsd.eduvoid 44810932Sbrandon.potter@amd.comProcess::findFileOffsets() 4497487Ssteve.reinhardt@amd.com{ 45010930Sbrandon.potter@amd.com for (auto& fde : *fd_array) { 45110930Sbrandon.potter@amd.com if (fde.fd != -1) 45210930Sbrandon.potter@amd.com fde.fileOffset = lseek(fde.fd, 0, SEEK_CUR); 4535282Srstrong@cs.ucsd.edu } 4545282Srstrong@cs.ucsd.edu} 4555282Srstrong@cs.ucsd.edu 4565282Srstrong@cs.ucsd.eduvoid 4577487Ssteve.reinhardt@amd.comProcess::setReadPipeSource(int read_pipe_fd, int source_fd) 4587487Ssteve.reinhardt@amd.com{ 45910932Sbrandon.potter@amd.com FDEntry *fde = getFDEntry(read_pipe_fd); 46010930Sbrandon.potter@amd.com assert(source_fd >= -1); 46110930Sbrandon.potter@amd.com fde->readPipeSource = source_fd; 4625282Srstrong@cs.ucsd.edu} 4635282Srstrong@cs.ucsd.edu 4643311Ssaidi@eecs.umich.eduvoid 46510905Sandreas.sandberg@arm.comProcess::serialize(CheckpointOut &cp) const 4663311Ssaidi@eecs.umich.edu{ 4673311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(brk_point); 4683311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(stack_base); 4693311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(stack_size); 4703311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(stack_min); 4713311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(next_thread_stack_base); 4723311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(mmap_end); 4733311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(nxm_start); 4743311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(nxm_end); 47510905Sandreas.sandberg@arm.com pTable->serialize(cp); 47610930Sbrandon.potter@amd.com for (int x = 0; x < fd_array->size(); x++) { 47710930Sbrandon.potter@amd.com (*fd_array)[x].serializeSection(cp, csprintf("FDEntry%d", x)); 4785282Srstrong@cs.ucsd.edu } 4793311Ssaidi@eecs.umich.edu 4803311Ssaidi@eecs.umich.edu} 4813311Ssaidi@eecs.umich.edu 4823311Ssaidi@eecs.umich.eduvoid 48310905Sandreas.sandberg@arm.comProcess::unserialize(CheckpointIn &cp) 4843311Ssaidi@eecs.umich.edu{ 4853311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(brk_point); 4863311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(stack_base); 4873311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(stack_size); 4883311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(stack_min); 4893311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(next_thread_stack_base); 4903311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(mmap_end); 4913311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(nxm_start); 4923311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(nxm_end); 49310905Sandreas.sandberg@arm.com pTable->unserialize(cp); 49410930Sbrandon.potter@amd.com for (int x = 0; x < fd_array->size(); x++) { 49510932Sbrandon.potter@amd.com FDEntry *fde = getFDEntry(x); 49610930Sbrandon.potter@amd.com fde->unserializeSection(cp, csprintf("FDEntry%d", x)); 4977487Ssteve.reinhardt@amd.com } 49810932Sbrandon.potter@amd.com fixFileOffsets(); 4996820SLisa.Hsu@amd.com // The above returns a bool so that you could do something if you don't 5006820SLisa.Hsu@amd.com // find the param in the checkpoint if you wanted to, like set a default 50110930Sbrandon.potter@amd.com // but in this case we'll just stick with the instantiated value if not 50210929Sbrandon.potter@amd.com // found. 5033311Ssaidi@eecs.umich.edu} 5042SN/A 5052SN/A 5069110Ssteve.reinhardt@amd.combool 50710558Salexandru.dutu@amd.comProcess::map(Addr vaddr, Addr paddr, int size, bool cacheable) 5089110Ssteve.reinhardt@amd.com{ 50910558Salexandru.dutu@amd.com pTable->map(vaddr, paddr, size, 51011294Sandreas.hansson@arm.com cacheable ? PageTableBase::Zero : PageTableBase::Uncacheable); 5119110Ssteve.reinhardt@amd.com return true; 5129110Ssteve.reinhardt@amd.com} 5139110Ssteve.reinhardt@amd.com 5149110Ssteve.reinhardt@amd.com 5152378SN/Avoid 51611851Sbrandon.potter@amd.comProcess::syscall(int64_t callnum, ThreadContext *tc) 5172093SN/A{ 5182093SN/A num_syscalls++; 5192093SN/A 5202093SN/A SyscallDesc *desc = getDesc(callnum); 5212093SN/A if (desc == NULL) 5222093SN/A fatal("Syscall %d out of range", callnum); 5232093SN/A 5242680Sktlim@umich.edu desc->doSyscall(callnum, this, tc); 5252093SN/A} 5262SN/A 5276701Sgblack@eecs.umich.eduIntReg 52811851Sbrandon.potter@amd.comProcess::getSyscallArg(ThreadContext *tc, int &i, int width) 5296701Sgblack@eecs.umich.edu{ 5306701Sgblack@eecs.umich.edu return getSyscallArg(tc, i); 5316701Sgblack@eecs.umich.edu} 5326701Sgblack@eecs.umich.edu 53310496Ssteve.reinhardt@amd.com 53410496Ssteve.reinhardt@amd.comEmulatedDriver * 53511851Sbrandon.potter@amd.comProcess::findDriver(std::string filename) 53610496Ssteve.reinhardt@amd.com{ 53710496Ssteve.reinhardt@amd.com for (EmulatedDriver *d : drivers) { 53810496Ssteve.reinhardt@amd.com if (d->match(filename)) 53910496Ssteve.reinhardt@amd.com return d; 54010496Ssteve.reinhardt@amd.com } 54110496Ssteve.reinhardt@amd.com 54210496Ssteve.reinhardt@amd.com return NULL; 54310496Ssteve.reinhardt@amd.com} 54410496Ssteve.reinhardt@amd.com 54511389Sbrandon.potter@amd.comvoid 54611851Sbrandon.potter@amd.comProcess::updateBias() 54711389Sbrandon.potter@amd.com{ 54811389Sbrandon.potter@amd.com ObjectFile *interp = objFile->getInterpreter(); 54911389Sbrandon.potter@amd.com 55011389Sbrandon.potter@amd.com if (!interp || !interp->relocatable()) 55111389Sbrandon.potter@amd.com return; 55211389Sbrandon.potter@amd.com 55311389Sbrandon.potter@amd.com // Determine how large the interpreters footprint will be in the process 55411389Sbrandon.potter@amd.com // address space. 55511389Sbrandon.potter@amd.com Addr interp_mapsize = roundUp(interp->mapSize(), TheISA::PageBytes); 55611389Sbrandon.potter@amd.com 55711389Sbrandon.potter@amd.com // We are allocating the memory area; set the bias to the lowest address 55811389Sbrandon.potter@amd.com // in the allocated memory region. 55911389Sbrandon.potter@amd.com Addr ld_bias = mmapGrowsDown() ? mmap_end - interp_mapsize : mmap_end; 56011389Sbrandon.potter@amd.com 56111389Sbrandon.potter@amd.com // Adjust the process mmap area to give the interpreter room; the real 56211389Sbrandon.potter@amd.com // execve system call would just invoke the kernel's internal mmap 56311389Sbrandon.potter@amd.com // functions to make these adjustments. 56411389Sbrandon.potter@amd.com mmap_end = mmapGrowsDown() ? ld_bias : mmap_end + interp_mapsize; 56511389Sbrandon.potter@amd.com 56611389Sbrandon.potter@amd.com interp->updateBias(ld_bias); 56711389Sbrandon.potter@amd.com} 56811389Sbrandon.potter@amd.com 56911389Sbrandon.potter@amd.com 57011392Sbrandon.potter@amd.comObjectFile * 57111851Sbrandon.potter@amd.comProcess::getInterpreter() 57211392Sbrandon.potter@amd.com{ 57311392Sbrandon.potter@amd.com return objFile->getInterpreter(); 57411392Sbrandon.potter@amd.com} 57511392Sbrandon.potter@amd.com 57611392Sbrandon.potter@amd.com 57711389Sbrandon.potter@amd.comAddr 57811851Sbrandon.potter@amd.comProcess::getBias() 57911389Sbrandon.potter@amd.com{ 58011392Sbrandon.potter@amd.com ObjectFile *interp = getInterpreter(); 58111389Sbrandon.potter@amd.com 58211389Sbrandon.potter@amd.com return interp ? interp->bias() : objFile->bias(); 58311389Sbrandon.potter@amd.com} 58411389Sbrandon.potter@amd.com 58511389Sbrandon.potter@amd.com 58611389Sbrandon.potter@amd.comAddr 58711851Sbrandon.potter@amd.comProcess::getStartPC() 58811389Sbrandon.potter@amd.com{ 58911392Sbrandon.potter@amd.com ObjectFile *interp = getInterpreter(); 59011389Sbrandon.potter@amd.com 59111389Sbrandon.potter@amd.com return interp ? interp->entryPoint() : objFile->entryPoint(); 59211389Sbrandon.potter@amd.com} 59311389Sbrandon.potter@amd.com 59410496Ssteve.reinhardt@amd.com 59511851Sbrandon.potter@amd.comProcess * 59611851Sbrandon.potter@amd.comProcessParams::create() 5972715Sstever@eecs.umich.edu{ 59811851Sbrandon.potter@amd.com Process *process = NULL; 5992715Sstever@eecs.umich.edu 60011140Sjthestness@gmail.com // If not specified, set the executable parameter equal to the 60111140Sjthestness@gmail.com // simulated system's zeroth command line parameter 60211851Sbrandon.potter@amd.com if (executable == "") { 60311851Sbrandon.potter@amd.com executable = cmd[0]; 60411140Sjthestness@gmail.com } 60511140Sjthestness@gmail.com 60611851Sbrandon.potter@amd.com ObjectFile *obj_file = createObjectFile(executable); 60711851Sbrandon.potter@amd.com if (obj_file == NULL) { 60811851Sbrandon.potter@amd.com fatal("Can't load object file %s", executable); 6092715Sstever@eecs.umich.edu } 6102715Sstever@eecs.umich.edu 6115089Sgblack@eecs.umich.edu#if THE_ISA == ALPHA_ISA 61211851Sbrandon.potter@amd.com if (obj_file->getArch() != ObjectFile::Alpha) 6135753Ssteve.reinhardt@amd.com fatal("Object file architecture does not match compiled ISA (Alpha)."); 6145753Ssteve.reinhardt@amd.com 61511851Sbrandon.potter@amd.com switch (obj_file->getOpSys()) { 6165753Ssteve.reinhardt@amd.com case ObjectFile::UnknownOpSys: 6175753Ssteve.reinhardt@amd.com warn("Unknown operating system; assuming Linux."); 6185753Ssteve.reinhardt@amd.com // fall through 6192715Sstever@eecs.umich.edu case ObjectFile::Linux: 62011851Sbrandon.potter@amd.com process = new AlphaLinuxProcess(this, obj_file); 6212715Sstever@eecs.umich.edu break; 6222715Sstever@eecs.umich.edu 6232715Sstever@eecs.umich.edu default: 6242715Sstever@eecs.umich.edu fatal("Unknown/unsupported operating system."); 6252715Sstever@eecs.umich.edu } 6262715Sstever@eecs.umich.edu#elif THE_ISA == SPARC_ISA 62711851Sbrandon.potter@amd.com if (obj_file->getArch() != ObjectFile::SPARC64 && 62811851Sbrandon.potter@amd.com obj_file->getArch() != ObjectFile::SPARC32) 6292715Sstever@eecs.umich.edu fatal("Object file architecture does not match compiled ISA (SPARC)."); 63011851Sbrandon.potter@amd.com switch (obj_file->getOpSys()) { 6315753Ssteve.reinhardt@amd.com case ObjectFile::UnknownOpSys: 6325753Ssteve.reinhardt@amd.com warn("Unknown operating system; assuming Linux."); 6335753Ssteve.reinhardt@amd.com // fall through 6342715Sstever@eecs.umich.edu case ObjectFile::Linux: 63511851Sbrandon.potter@amd.com if (obj_file->getArch() == ObjectFile::SPARC64) { 63611851Sbrandon.potter@amd.com process = new Sparc64LinuxProcess(this, obj_file); 6374111Sgblack@eecs.umich.edu } else { 63811851Sbrandon.potter@amd.com process = new Sparc32LinuxProcess(this, obj_file); 6394111Sgblack@eecs.umich.edu } 6402715Sstever@eecs.umich.edu break; 6412715Sstever@eecs.umich.edu 6422715Sstever@eecs.umich.edu 6432715Sstever@eecs.umich.edu case ObjectFile::Solaris: 64411851Sbrandon.potter@amd.com process = new SparcSolarisProcess(this, obj_file); 6452715Sstever@eecs.umich.edu break; 6465753Ssteve.reinhardt@amd.com 6472715Sstever@eecs.umich.edu default: 6482715Sstever@eecs.umich.edu fatal("Unknown/unsupported operating system."); 6492715Sstever@eecs.umich.edu } 6504157Sgblack@eecs.umich.edu#elif THE_ISA == X86_ISA 65111851Sbrandon.potter@amd.com if (obj_file->getArch() != ObjectFile::X86_64 && 65211851Sbrandon.potter@amd.com obj_file->getArch() != ObjectFile::I386) 6534166Sgblack@eecs.umich.edu fatal("Object file architecture does not match compiled ISA (x86)."); 65411851Sbrandon.potter@amd.com switch (obj_file->getOpSys()) { 6555753Ssteve.reinhardt@amd.com case ObjectFile::UnknownOpSys: 6565753Ssteve.reinhardt@amd.com warn("Unknown operating system; assuming Linux."); 6575753Ssteve.reinhardt@amd.com // fall through 6584166Sgblack@eecs.umich.edu case ObjectFile::Linux: 65911851Sbrandon.potter@amd.com if (obj_file->getArch() == ObjectFile::X86_64) { 66011851Sbrandon.potter@amd.com process = new X86_64LinuxProcess(this, obj_file); 6615874Sgblack@eecs.umich.edu } else { 66211851Sbrandon.potter@amd.com process = new I386LinuxProcess(this, obj_file); 6635874Sgblack@eecs.umich.edu } 6644166Sgblack@eecs.umich.edu break; 6655753Ssteve.reinhardt@amd.com 6664157Sgblack@eecs.umich.edu default: 6674157Sgblack@eecs.umich.edu fatal("Unknown/unsupported operating system."); 6684157Sgblack@eecs.umich.edu } 6692715Sstever@eecs.umich.edu#elif THE_ISA == MIPS_ISA 67011851Sbrandon.potter@amd.com if (obj_file->getArch() != ObjectFile::Mips) 6712715Sstever@eecs.umich.edu fatal("Object file architecture does not match compiled ISA (MIPS)."); 67211851Sbrandon.potter@amd.com switch (obj_file->getOpSys()) { 6735753Ssteve.reinhardt@amd.com case ObjectFile::UnknownOpSys: 6745753Ssteve.reinhardt@amd.com warn("Unknown operating system; assuming Linux."); 6755753Ssteve.reinhardt@amd.com // fall through 6762715Sstever@eecs.umich.edu case ObjectFile::Linux: 67711851Sbrandon.potter@amd.com process = new MipsLinuxProcess(this, obj_file); 6782715Sstever@eecs.umich.edu break; 6792715Sstever@eecs.umich.edu 6802715Sstever@eecs.umich.edu default: 6812715Sstever@eecs.umich.edu fatal("Unknown/unsupported operating system."); 6822715Sstever@eecs.umich.edu } 6835335Shines@cs.fsu.edu#elif THE_ISA == ARM_ISA 68411851Sbrandon.potter@amd.com ObjectFile::Arch arch = obj_file->getArch(); 68510037SARM gem5 Developers if (arch != ObjectFile::Arm && arch != ObjectFile::Thumb && 68610037SARM gem5 Developers arch != ObjectFile::Arm64) 6875335Shines@cs.fsu.edu fatal("Object file architecture does not match compiled ISA (ARM)."); 68811851Sbrandon.potter@amd.com switch (obj_file->getOpSys()) { 6895753Ssteve.reinhardt@amd.com case ObjectFile::UnknownOpSys: 6905753Ssteve.reinhardt@amd.com warn("Unknown operating system; assuming Linux."); 6915753Ssteve.reinhardt@amd.com // fall through 6925335Shines@cs.fsu.edu case ObjectFile::Linux: 69310037SARM gem5 Developers if (arch == ObjectFile::Arm64) { 69411851Sbrandon.potter@amd.com process = new ArmLinuxProcess64(this, obj_file, 69511851Sbrandon.potter@amd.com obj_file->getArch()); 69610037SARM gem5 Developers } else { 69711851Sbrandon.potter@amd.com process = new ArmLinuxProcess32(this, obj_file, 69811851Sbrandon.potter@amd.com obj_file->getArch()); 69910037SARM gem5 Developers } 7005335Shines@cs.fsu.edu break; 70110810Sbr@bsdpad.com case ObjectFile::FreeBSD: 70210810Sbr@bsdpad.com if (arch == ObjectFile::Arm64) { 70311851Sbrandon.potter@amd.com process = new ArmFreebsdProcess64(this, obj_file, 70411851Sbrandon.potter@amd.com obj_file->getArch()); 70510810Sbr@bsdpad.com } else { 70611851Sbrandon.potter@amd.com process = new ArmFreebsdProcess32(this, obj_file, 70711851Sbrandon.potter@amd.com obj_file->getArch()); 70810810Sbr@bsdpad.com } 70910810Sbr@bsdpad.com break; 7106392Ssaidi@eecs.umich.edu case ObjectFile::LinuxArmOABI: 7116392Ssaidi@eecs.umich.edu fatal("M5 does not support ARM OABI binaries. Please recompile with an" 7126392Ssaidi@eecs.umich.edu " EABI compiler."); 7135335Shines@cs.fsu.edu default: 7145335Shines@cs.fsu.edu fatal("Unknown/unsupported operating system."); 7155335Shines@cs.fsu.edu } 7166691Stjones1@inf.ed.ac.uk#elif THE_ISA == POWER_ISA 71711851Sbrandon.potter@amd.com if (obj_file->getArch() != ObjectFile::Power) 7186691Stjones1@inf.ed.ac.uk fatal("Object file architecture does not match compiled ISA (Power)."); 71911851Sbrandon.potter@amd.com switch (obj_file->getOpSys()) { 7206691Stjones1@inf.ed.ac.uk case ObjectFile::UnknownOpSys: 7216691Stjones1@inf.ed.ac.uk warn("Unknown operating system; assuming Linux."); 7226691Stjones1@inf.ed.ac.uk // fall through 7236691Stjones1@inf.ed.ac.uk case ObjectFile::Linux: 72411851Sbrandon.potter@amd.com process = new PowerLinuxProcess(this, obj_file); 7256691Stjones1@inf.ed.ac.uk break; 7266691Stjones1@inf.ed.ac.uk 7276691Stjones1@inf.ed.ac.uk default: 7286691Stjones1@inf.ed.ac.uk fatal("Unknown/unsupported operating system."); 7296691Stjones1@inf.ed.ac.uk } 73011723Sar4jc@virginia.edu#elif THE_ISA == RISCV_ISA 73111851Sbrandon.potter@amd.com if (obj_file->getArch() != ObjectFile::Riscv) 73211723Sar4jc@virginia.edu fatal("Object file architecture does not match compiled ISA (RISCV)."); 73311851Sbrandon.potter@amd.com switch (obj_file->getOpSys()) { 73411723Sar4jc@virginia.edu case ObjectFile::UnknownOpSys: 73511723Sar4jc@virginia.edu warn("Unknown operating system; assuming Linux."); 73611723Sar4jc@virginia.edu // fall through 73711723Sar4jc@virginia.edu case ObjectFile::Linux: 73811851Sbrandon.potter@amd.com process = new RiscvLinuxProcess(this, obj_file); 73911723Sar4jc@virginia.edu break; 74011723Sar4jc@virginia.edu default: 74111723Sar4jc@virginia.edu fatal("Unknown/unsupported operating system."); 74211723Sar4jc@virginia.edu } 7432715Sstever@eecs.umich.edu#else 7442715Sstever@eecs.umich.edu#error "THE_ISA not set" 7452715Sstever@eecs.umich.edu#endif 7462715Sstever@eecs.umich.edu 7472715Sstever@eecs.umich.edu if (process == NULL) 7482715Sstever@eecs.umich.edu fatal("Unknown error creating process object."); 7492715Sstever@eecs.umich.edu return process; 7502715Sstever@eecs.umich.edu} 751