process.cc revision 6691
12SN/A/* 21762SN/A * Copyright (c) 2001-2005 The Regents of The University of Michigan 32SN/A * All rights reserved. 42SN/A * 52SN/A * Redistribution and use in source and binary forms, with or without 62SN/A * modification, are permitted provided that the following conditions are 72SN/A * met: redistributions of source code must retain the above copyright 82SN/A * notice, this list of conditions and the following disclaimer; 92SN/A * redistributions in binary form must reproduce the above copyright 102SN/A * notice, this list of conditions and the following disclaimer in the 112SN/A * documentation and/or other materials provided with the distribution; 122SN/A * neither the name of the copyright holders nor the names of its 132SN/A * contributors may be used to endorse or promote products derived from 142SN/A * this software without specific prior written permission. 152SN/A * 162SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 172SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 182SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 192SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 202SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 212SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 222SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 232SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 242SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 252SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 262SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272665Ssaidi@eecs.umich.edu * 282665Ssaidi@eecs.umich.edu * Authors: Nathan Binkert 292665Ssaidi@eecs.umich.edu * Steve Reinhardt 302665Ssaidi@eecs.umich.edu * Ali Saidi 312SN/A */ 322SN/A 332SN/A#include <unistd.h> 342SN/A#include <fcntl.h> 352SN/A#include <string> 362SN/A 373971Sgblack@eecs.umich.edu#include "arch/remote_gdb.hh" 3856SN/A#include "base/intmath.hh" 3956SN/A#include "base/loader/object_file.hh" 401158SN/A#include "base/loader/symtab.hh" 41146SN/A#include "base/statistics.hh" 421858SN/A#include "config/full_system.hh" 436658Snate@binkert.org#include "config/the_isa.hh" 442680Sktlim@umich.edu#include "cpu/thread_context.hh" 452378SN/A#include "mem/page_table.hh" 462522SN/A#include "mem/physical.hh" 472401SN/A#include "mem/translating_port.hh" 485154Sgblack@eecs.umich.edu#include "params/Process.hh" 494762Snate@binkert.org#include "params/LiveProcess.hh" 505512SMichael.Adler@intel.com#include "sim/debug.hh" 51360SN/A#include "sim/process.hh" 524434Ssaidi@eecs.umich.edu#include "sim/process_impl.hh" 53695SN/A#include "sim/stats.hh" 542093SN/A#include "sim/syscall_emul.hh" 552378SN/A#include "sim/system.hh" 562SN/A 572715Sstever@eecs.umich.edu#if THE_ISA == ALPHA_ISA 582715Sstever@eecs.umich.edu#include "arch/alpha/linux/process.hh" 592715Sstever@eecs.umich.edu#include "arch/alpha/tru64/process.hh" 602715Sstever@eecs.umich.edu#elif THE_ISA == SPARC_ISA 612715Sstever@eecs.umich.edu#include "arch/sparc/linux/process.hh" 622715Sstever@eecs.umich.edu#include "arch/sparc/solaris/process.hh" 632715Sstever@eecs.umich.edu#elif THE_ISA == MIPS_ISA 642715Sstever@eecs.umich.edu#include "arch/mips/linux/process.hh" 655335Shines@cs.fsu.edu#elif THE_ISA == ARM_ISA 665335Shines@cs.fsu.edu#include "arch/arm/linux/process.hh" 674157Sgblack@eecs.umich.edu#elif THE_ISA == X86_ISA 684166Sgblack@eecs.umich.edu#include "arch/x86/linux/process.hh" 696691Stjones1@inf.ed.ac.uk#elif THE_ISA == POWER_ISA 706691Stjones1@inf.ed.ac.uk#include "arch/power/linux/process.hh" 712715Sstever@eecs.umich.edu#else 722715Sstever@eecs.umich.edu#error "THE_ISA not set" 732715Sstever@eecs.umich.edu#endif 742715Sstever@eecs.umich.edu 752715Sstever@eecs.umich.edu 762SN/Ausing namespace std; 772107SN/Ausing namespace TheISA; 782SN/A 792SN/A// 802SN/A// The purpose of this code is to fake the loader & syscall mechanism 812SN/A// when there's no OS: thus there's no resone to use it in FULL_SYSTEM 822SN/A// mode when we do have an OS 832SN/A// 841858SN/A#if FULL_SYSTEM 85360SN/A#error "process.cc not compatible with FULL_SYSTEM" 862SN/A#endif 872SN/A 882SN/A// current number of allocated processes 892SN/Aint num_processes = 0; 902SN/A 915758Shsul@eecs.umich.edutemplate<class IntType> 925771Shsul@eecs.umich.eduAuxVector<IntType>::AuxVector(IntType type, IntType val) 935758Shsul@eecs.umich.edu{ 945758Shsul@eecs.umich.edu a_type = TheISA::htog(type); 955758Shsul@eecs.umich.edu a_val = TheISA::htog(val); 965758Shsul@eecs.umich.edu} 975758Shsul@eecs.umich.edu 985771Shsul@eecs.umich.edutemplate class AuxVector<uint32_t>; 995771Shsul@eecs.umich.edutemplate class AuxVector<uint64_t>; 1005758Shsul@eecs.umich.edu 1015154Sgblack@eecs.umich.eduProcess::Process(ProcessParams * params) 1025183Ssaidi@eecs.umich.edu : SimObject(params), system(params->system), checkpointRestored(false), 1035154Sgblack@eecs.umich.edu max_stack_size(params->max_stack_size) 1042SN/A{ 1055154Sgblack@eecs.umich.edu string in = params->input; 1065154Sgblack@eecs.umich.edu string out = params->output; 1075514SMichael.Adler@intel.com string err = params->errout; 1085154Sgblack@eecs.umich.edu 1095154Sgblack@eecs.umich.edu // initialize file descriptors to default: same as simulator 1105154Sgblack@eecs.umich.edu int stdin_fd, stdout_fd, stderr_fd; 1115154Sgblack@eecs.umich.edu 1125154Sgblack@eecs.umich.edu if (in == "stdin" || in == "cin") 1135154Sgblack@eecs.umich.edu stdin_fd = STDIN_FILENO; 1145154Sgblack@eecs.umich.edu else if (in == "None") 1155154Sgblack@eecs.umich.edu stdin_fd = -1; 1165154Sgblack@eecs.umich.edu else 1175154Sgblack@eecs.umich.edu stdin_fd = Process::openInputFile(in); 1185154Sgblack@eecs.umich.edu 1195154Sgblack@eecs.umich.edu if (out == "stdout" || out == "cout") 1205154Sgblack@eecs.umich.edu stdout_fd = STDOUT_FILENO; 1215154Sgblack@eecs.umich.edu else if (out == "stderr" || out == "cerr") 1225154Sgblack@eecs.umich.edu stdout_fd = STDERR_FILENO; 1235154Sgblack@eecs.umich.edu else if (out == "None") 1245154Sgblack@eecs.umich.edu stdout_fd = -1; 1255154Sgblack@eecs.umich.edu else 1265154Sgblack@eecs.umich.edu stdout_fd = Process::openOutputFile(out); 1275154Sgblack@eecs.umich.edu 1285514SMichael.Adler@intel.com if (err == "stdout" || err == "cout") 1295514SMichael.Adler@intel.com stderr_fd = STDOUT_FILENO; 1305514SMichael.Adler@intel.com else if (err == "stderr" || err == "cerr") 1315514SMichael.Adler@intel.com stderr_fd = STDERR_FILENO; 1325514SMichael.Adler@intel.com else if (err == "None") 1335514SMichael.Adler@intel.com stderr_fd = -1; 1345514SMichael.Adler@intel.com else if (err == out) 1355514SMichael.Adler@intel.com stderr_fd = stdout_fd; 1365514SMichael.Adler@intel.com else 1375514SMichael.Adler@intel.com stderr_fd = Process::openOutputFile(err); 1385154Sgblack@eecs.umich.edu 1394997Sgblack@eecs.umich.edu M5_pid = system->allocatePID(); 1402SN/A // initialize first 3 fds (stdin, stdout, stderr) 1415282Srstrong@cs.ucsd.edu Process::FdMap *fdo = &fd_map[STDIN_FILENO]; 1425282Srstrong@cs.ucsd.edu fdo->fd = stdin_fd; 1435282Srstrong@cs.ucsd.edu fdo->filename = in; 1445282Srstrong@cs.ucsd.edu fdo->flags = O_RDONLY; 1455282Srstrong@cs.ucsd.edu fdo->mode = -1; 1465282Srstrong@cs.ucsd.edu fdo->fileOffset = 0; 1475282Srstrong@cs.ucsd.edu 1485282Srstrong@cs.ucsd.edu fdo = &fd_map[STDOUT_FILENO]; 1495282Srstrong@cs.ucsd.edu fdo->fd = stdout_fd; 1505282Srstrong@cs.ucsd.edu fdo->filename = out; 1515282Srstrong@cs.ucsd.edu fdo->flags = O_WRONLY | O_CREAT | O_TRUNC; 1525282Srstrong@cs.ucsd.edu fdo->mode = 0774; 1535282Srstrong@cs.ucsd.edu fdo->fileOffset = 0; 1545282Srstrong@cs.ucsd.edu 1555282Srstrong@cs.ucsd.edu fdo = &fd_map[STDERR_FILENO]; 1565282Srstrong@cs.ucsd.edu fdo->fd = stderr_fd; 1575514SMichael.Adler@intel.com fdo->filename = err; 1585282Srstrong@cs.ucsd.edu fdo->flags = O_WRONLY; 1595282Srstrong@cs.ucsd.edu fdo->mode = -1; 1605282Srstrong@cs.ucsd.edu fdo->fileOffset = 0; 1615282Srstrong@cs.ucsd.edu 1622SN/A 1632SN/A // mark remaining fds as free 1642SN/A for (int i = 3; i <= MAX_FD; ++i) { 1655282Srstrong@cs.ucsd.edu Process::FdMap *fdo = &fd_map[i]; 1665282Srstrong@cs.ucsd.edu fdo->fd = -1; 1672SN/A } 1682SN/A 1691450SN/A mmap_start = mmap_end = 0; 1701514SN/A nxm_start = nxm_end = 0; 1715184Sgblack@eecs.umich.edu pTable = new PageTable(this); 1722SN/A // other parameters will be initialized when the program is loaded 1732SN/A} 1742SN/A 1752378SN/A 1762SN/Avoid 1772SN/AProcess::regStats() 1782SN/A{ 179729SN/A using namespace Stats; 1802SN/A 1812SN/A num_syscalls 1822SN/A .name(name() + ".PROG:num_syscalls") 1832SN/A .desc("Number of system calls") 1842SN/A ; 1852SN/A} 1862SN/A 1872SN/A// 1882SN/A// static helper functions 1892SN/A// 1902SN/Aint 1912SN/AProcess::openInputFile(const string &filename) 1922SN/A{ 1932SN/A int fd = open(filename.c_str(), O_RDONLY); 1942SN/A 1952SN/A if (fd == -1) { 1962SN/A perror(NULL); 1972SN/A cerr << "unable to open \"" << filename << "\" for reading\n"; 1982SN/A fatal("can't open input file"); 1992SN/A } 2002SN/A 2012SN/A return fd; 2022SN/A} 2032SN/A 2042SN/A 2052SN/Aint 2062SN/AProcess::openOutputFile(const string &filename) 2072SN/A{ 2085514SMichael.Adler@intel.com int fd = open(filename.c_str(), O_WRONLY | O_CREAT | O_TRUNC, 0664); 2092SN/A 2102SN/A if (fd == -1) { 2112SN/A perror(NULL); 2122SN/A cerr << "unable to open \"" << filename << "\" for writing\n"; 2132SN/A fatal("can't open output file"); 2142SN/A } 2152SN/A 2162SN/A return fd; 2172SN/A} 2182SN/A 2195713Shsul@eecs.umich.eduThreadContext * 2205713Shsul@eecs.umich.eduProcess::findFreeContext() 2212SN/A{ 2225713Shsul@eecs.umich.edu int size = contextIds.size(); 2235713Shsul@eecs.umich.edu ThreadContext *tc; 2245713Shsul@eecs.umich.edu for (int i = 0; i < size; ++i) { 2255713Shsul@eecs.umich.edu tc = system->getThreadContext(contextIds[i]); 2266029Ssteve.reinhardt@amd.com if (tc->status() == ThreadContext::Halted) { 2275713Shsul@eecs.umich.edu // inactive context, free to use 2285713Shsul@eecs.umich.edu return tc; 2295713Shsul@eecs.umich.edu } 2305512SMichael.Adler@intel.com } 2315713Shsul@eecs.umich.edu return NULL; 2322SN/A} 2332SN/A 2341395SN/Avoid 2351395SN/AProcess::startup() 2361395SN/A{ 2375713Shsul@eecs.umich.edu if (contextIds.empty()) 2385713Shsul@eecs.umich.edu fatal("Process %s is not associated with any HW contexts!\n", name()); 2392378SN/A 2402680Sktlim@umich.edu // first thread context for this process... initialize & enable 2415713Shsul@eecs.umich.edu ThreadContext *tc = system->getThreadContext(contextIds[0]); 2421395SN/A 2431634SN/A // mark this context as active so it will start ticking. 2442680Sktlim@umich.edu tc->activate(0); 2452462SN/A 2462519SN/A Port *mem_port; 2472519SN/A mem_port = system->physmem->getPort("functional"); 2484434Ssaidi@eecs.umich.edu initVirtMem = new TranslatingPort("process init port", this, 2494434Ssaidi@eecs.umich.edu TranslatingPort::Always); 2502519SN/A mem_port->setPeer(initVirtMem); 2512519SN/A initVirtMem->setPeer(mem_port); 2521395SN/A} 2532SN/A 2542SN/A// map simulator fd sim_fd to target fd tgt_fd 2552SN/Avoid 2562SN/AProcess::dup_fd(int sim_fd, int tgt_fd) 2572SN/A{ 2582SN/A if (tgt_fd < 0 || tgt_fd > MAX_FD) 2592SN/A panic("Process::dup_fd tried to dup past MAX_FD (%d)", tgt_fd); 2602SN/A 2615282Srstrong@cs.ucsd.edu Process::FdMap *fdo = &fd_map[tgt_fd]; 2625282Srstrong@cs.ucsd.edu fdo->fd = sim_fd; 2632SN/A} 2642SN/A 2652SN/A 2662SN/A// generate new target fd for sim_fd 2672SN/Aint 2685282Srstrong@cs.ucsd.eduProcess::alloc_fd(int sim_fd, string filename, int flags, int mode, bool pipe) 2692SN/A{ 2702SN/A // in case open() returns an error, don't allocate a new fd 2712SN/A if (sim_fd == -1) 2722SN/A return -1; 2732SN/A 2742SN/A // find first free target fd 2755282Srstrong@cs.ucsd.edu for (int free_fd = 0; free_fd <= MAX_FD; ++free_fd) { 2765282Srstrong@cs.ucsd.edu Process::FdMap *fdo = &fd_map[free_fd]; 2775282Srstrong@cs.ucsd.edu if (fdo->fd == -1) { 2785282Srstrong@cs.ucsd.edu fdo->fd = sim_fd; 2795282Srstrong@cs.ucsd.edu fdo->filename = filename; 2805282Srstrong@cs.ucsd.edu fdo->mode = mode; 2815282Srstrong@cs.ucsd.edu fdo->fileOffset = 0; 2825282Srstrong@cs.ucsd.edu fdo->flags = flags; 2835282Srstrong@cs.ucsd.edu fdo->isPipe = pipe; 2845282Srstrong@cs.ucsd.edu fdo->readPipeSource = 0; 2851970SN/A return free_fd; 2861970SN/A } 2872SN/A } 2882SN/A 2891970SN/A panic("Process::alloc_fd: out of file descriptors!"); 2901970SN/A} 2912SN/A 2921970SN/A 2931970SN/A// free target fd (e.g., after close) 2941970SN/Avoid 2951970SN/AProcess::free_fd(int tgt_fd) 2961970SN/A{ 2975282Srstrong@cs.ucsd.edu Process::FdMap *fdo = &fd_map[tgt_fd]; 2985282Srstrong@cs.ucsd.edu if (fdo->fd == -1) 2991970SN/A warn("Process::free_fd: request to free unused fd %d", tgt_fd); 3001970SN/A 3015282Srstrong@cs.ucsd.edu fdo->fd = -1; 3025282Srstrong@cs.ucsd.edu fdo->filename = "NULL"; 3035282Srstrong@cs.ucsd.edu fdo->mode = 0; 3045282Srstrong@cs.ucsd.edu fdo->fileOffset = 0; 3055282Srstrong@cs.ucsd.edu fdo->flags = 0; 3065282Srstrong@cs.ucsd.edu fdo->isPipe = false; 3075282Srstrong@cs.ucsd.edu fdo->readPipeSource = 0; 3082SN/A} 3092SN/A 3102SN/A 3112SN/A// look up simulator fd for given target fd 3122SN/Aint 3132SN/AProcess::sim_fd(int tgt_fd) 3142SN/A{ 3152SN/A if (tgt_fd > MAX_FD) 3162SN/A return -1; 3172SN/A 3185282Srstrong@cs.ucsd.edu return fd_map[tgt_fd].fd; 3192SN/A} 3202SN/A 3215282Srstrong@cs.ucsd.eduProcess::FdMap * 3225282Srstrong@cs.ucsd.eduProcess::sim_fd_obj(int tgt_fd) 3235282Srstrong@cs.ucsd.edu{ 3245282Srstrong@cs.ucsd.edu if (tgt_fd > MAX_FD) 3255282Srstrong@cs.ucsd.edu panic("sim_fd_obj called in fd out of range."); 3265282Srstrong@cs.ucsd.edu 3275282Srstrong@cs.ucsd.edu return &fd_map[tgt_fd]; 3285282Srstrong@cs.ucsd.edu} 3294434Ssaidi@eecs.umich.edubool 3304434Ssaidi@eecs.umich.eduProcess::checkAndAllocNextPage(Addr vaddr) 3314434Ssaidi@eecs.umich.edu{ 3324434Ssaidi@eecs.umich.edu // if this is an initial write we might not have 3334434Ssaidi@eecs.umich.edu if (vaddr >= stack_min && vaddr < stack_base) { 3344434Ssaidi@eecs.umich.edu pTable->allocate(roundDown(vaddr, VMPageSize), VMPageSize); 3354434Ssaidi@eecs.umich.edu return true; 3364434Ssaidi@eecs.umich.edu } 3374434Ssaidi@eecs.umich.edu 3384434Ssaidi@eecs.umich.edu // We've accessed the next page of the stack, so extend the stack 3394434Ssaidi@eecs.umich.edu // to cover it. 3405154Sgblack@eecs.umich.edu if (vaddr < stack_min && vaddr >= stack_base - max_stack_size) { 3415154Sgblack@eecs.umich.edu while (vaddr < stack_min) { 3425154Sgblack@eecs.umich.edu stack_min -= TheISA::PageBytes; 3435154Sgblack@eecs.umich.edu if(stack_base - stack_min > max_stack_size) 3445154Sgblack@eecs.umich.edu fatal("Maximum stack size exceeded\n"); 3455154Sgblack@eecs.umich.edu if(stack_base - stack_min > 8*1024*1024) 3465154Sgblack@eecs.umich.edu fatal("Over max stack size for one thread\n"); 3475154Sgblack@eecs.umich.edu pTable->allocate(stack_min, TheISA::PageBytes); 3485823Ssaidi@eecs.umich.edu inform("Increasing stack size by one page."); 3495154Sgblack@eecs.umich.edu }; 3504434Ssaidi@eecs.umich.edu return true; 3514434Ssaidi@eecs.umich.edu } 3524434Ssaidi@eecs.umich.edu return false; 3534434Ssaidi@eecs.umich.edu} 3544434Ssaidi@eecs.umich.edu 3555282Srstrong@cs.ucsd.edu // find all offsets for currently open files and save them 3565282Srstrong@cs.ucsd.eduvoid 3575282Srstrong@cs.ucsd.eduProcess::fix_file_offsets() { 3585282Srstrong@cs.ucsd.edu Process::FdMap *fdo_stdin = &fd_map[STDIN_FILENO]; 3595282Srstrong@cs.ucsd.edu Process::FdMap *fdo_stdout = &fd_map[STDOUT_FILENO]; 3605282Srstrong@cs.ucsd.edu Process::FdMap *fdo_stderr = &fd_map[STDERR_FILENO]; 3615282Srstrong@cs.ucsd.edu string in = fdo_stdin->filename; 3625282Srstrong@cs.ucsd.edu string out = fdo_stdout->filename; 3635514SMichael.Adler@intel.com string err = fdo_stderr->filename; 3645282Srstrong@cs.ucsd.edu 3655282Srstrong@cs.ucsd.edu // initialize file descriptors to default: same as simulator 3665282Srstrong@cs.ucsd.edu int stdin_fd, stdout_fd, stderr_fd; 3675282Srstrong@cs.ucsd.edu 3685282Srstrong@cs.ucsd.edu if (in == "stdin" || in == "cin") 3695282Srstrong@cs.ucsd.edu stdin_fd = STDIN_FILENO; 3705282Srstrong@cs.ucsd.edu else if (in == "None") 3715282Srstrong@cs.ucsd.edu stdin_fd = -1; 3725282Srstrong@cs.ucsd.edu else{ 3735282Srstrong@cs.ucsd.edu //OPEN standard in and seek to the right location 3745282Srstrong@cs.ucsd.edu stdin_fd = Process::openInputFile(in); 3755282Srstrong@cs.ucsd.edu if (lseek(stdin_fd, fdo_stdin->fileOffset, SEEK_SET) < 0) 3765282Srstrong@cs.ucsd.edu panic("Unable to seek to correct location in file: %s", in); 3775282Srstrong@cs.ucsd.edu } 3785282Srstrong@cs.ucsd.edu 3795282Srstrong@cs.ucsd.edu if (out == "stdout" || out == "cout") 3805282Srstrong@cs.ucsd.edu stdout_fd = STDOUT_FILENO; 3815282Srstrong@cs.ucsd.edu else if (out == "stderr" || out == "cerr") 3825282Srstrong@cs.ucsd.edu stdout_fd = STDERR_FILENO; 3835282Srstrong@cs.ucsd.edu else if (out == "None") 3845282Srstrong@cs.ucsd.edu stdout_fd = -1; 3855282Srstrong@cs.ucsd.edu else{ 3865282Srstrong@cs.ucsd.edu stdout_fd = Process::openOutputFile(out); 3875514SMichael.Adler@intel.com if (lseek(stdout_fd, fdo_stdout->fileOffset, SEEK_SET) < 0) 3885514SMichael.Adler@intel.com panic("Unable to seek to correct location in file: %s", out); 3895282Srstrong@cs.ucsd.edu } 3905282Srstrong@cs.ucsd.edu 3915514SMichael.Adler@intel.com if (err == "stdout" || err == "cout") 3925514SMichael.Adler@intel.com stderr_fd = STDOUT_FILENO; 3935514SMichael.Adler@intel.com else if (err == "stderr" || err == "cerr") 3945514SMichael.Adler@intel.com stderr_fd = STDERR_FILENO; 3955514SMichael.Adler@intel.com else if (err == "None") 3965514SMichael.Adler@intel.com stderr_fd = -1; 3975514SMichael.Adler@intel.com else if (err == out) 3985514SMichael.Adler@intel.com stderr_fd = stdout_fd; 3995514SMichael.Adler@intel.com else { 4005514SMichael.Adler@intel.com stderr_fd = Process::openOutputFile(err); 4015514SMichael.Adler@intel.com if (lseek(stderr_fd, fdo_stderr->fileOffset, SEEK_SET) < 0) 4025514SMichael.Adler@intel.com panic("Unable to seek to correct location in file: %s", err); 4035514SMichael.Adler@intel.com } 4045282Srstrong@cs.ucsd.edu 4055282Srstrong@cs.ucsd.edu fdo_stdin->fd = stdin_fd; 4065282Srstrong@cs.ucsd.edu fdo_stdout->fd = stdout_fd; 4075282Srstrong@cs.ucsd.edu fdo_stderr->fd = stderr_fd; 4085282Srstrong@cs.ucsd.edu 4095282Srstrong@cs.ucsd.edu 4105282Srstrong@cs.ucsd.edu for (int free_fd = 3; free_fd <= MAX_FD; ++free_fd) { 4115282Srstrong@cs.ucsd.edu Process::FdMap *fdo = &fd_map[free_fd]; 4125282Srstrong@cs.ucsd.edu if (fdo->fd != -1) { 4135282Srstrong@cs.ucsd.edu if (fdo->isPipe){ 4145282Srstrong@cs.ucsd.edu if (fdo->filename == "PIPE-WRITE") 4155282Srstrong@cs.ucsd.edu continue; 4165282Srstrong@cs.ucsd.edu else { 4175282Srstrong@cs.ucsd.edu assert (fdo->filename == "PIPE-READ"); 4185282Srstrong@cs.ucsd.edu //create a new pipe 4195282Srstrong@cs.ucsd.edu int fds[2]; 4205282Srstrong@cs.ucsd.edu int pipe_retval = pipe(fds); 4215282Srstrong@cs.ucsd.edu 4225282Srstrong@cs.ucsd.edu if (pipe_retval < 0) { 4235282Srstrong@cs.ucsd.edu // error 4245282Srstrong@cs.ucsd.edu panic("Unable to create new pipe."); 4255282Srstrong@cs.ucsd.edu } 4265282Srstrong@cs.ucsd.edu fdo->fd = fds[0]; //set read pipe 4275282Srstrong@cs.ucsd.edu Process::FdMap *fdo_write = &fd_map[fdo->readPipeSource]; 4285282Srstrong@cs.ucsd.edu if (fdo_write->filename != "PIPE-WRITE") 4295282Srstrong@cs.ucsd.edu panic ("Couldn't find write end of the pipe"); 4305282Srstrong@cs.ucsd.edu 4315282Srstrong@cs.ucsd.edu fdo_write->fd = fds[1];//set write pipe 4325282Srstrong@cs.ucsd.edu } 4335282Srstrong@cs.ucsd.edu } else { 4345282Srstrong@cs.ucsd.edu //Open file 4355282Srstrong@cs.ucsd.edu int fd = open(fdo->filename.c_str(), fdo->flags, fdo->mode); 4365282Srstrong@cs.ucsd.edu 4375282Srstrong@cs.ucsd.edu if (fd == -1) 4385282Srstrong@cs.ucsd.edu panic("Unable to open file: %s", fdo->filename); 4395282Srstrong@cs.ucsd.edu fdo->fd = fd; 4405282Srstrong@cs.ucsd.edu 4415282Srstrong@cs.ucsd.edu //Seek to correct location before checkpoint 4425282Srstrong@cs.ucsd.edu if (lseek(fd,fdo->fileOffset, SEEK_SET) < 0) 4435282Srstrong@cs.ucsd.edu panic("Unable to seek to correct location in file: %s", fdo->filename); 4445282Srstrong@cs.ucsd.edu } 4455282Srstrong@cs.ucsd.edu } 4465282Srstrong@cs.ucsd.edu } 4475282Srstrong@cs.ucsd.edu} 4485282Srstrong@cs.ucsd.eduvoid 4495282Srstrong@cs.ucsd.eduProcess::find_file_offsets(){ 4505282Srstrong@cs.ucsd.edu for (int free_fd = 0; free_fd <= MAX_FD; ++free_fd) { 4515282Srstrong@cs.ucsd.edu Process::FdMap *fdo = &fd_map[free_fd]; 4525282Srstrong@cs.ucsd.edu if (fdo->fd != -1) { 4535282Srstrong@cs.ucsd.edu fdo->fileOffset = lseek(fdo->fd, 0, SEEK_CUR); 4545282Srstrong@cs.ucsd.edu } else { 4555282Srstrong@cs.ucsd.edu fdo->filename = "NULL"; 4565282Srstrong@cs.ucsd.edu fdo->fileOffset = 0; 4575282Srstrong@cs.ucsd.edu } 4585282Srstrong@cs.ucsd.edu } 4595282Srstrong@cs.ucsd.edu} 4605282Srstrong@cs.ucsd.edu 4615282Srstrong@cs.ucsd.eduvoid 4625282Srstrong@cs.ucsd.eduProcess::setReadPipeSource(int read_pipe_fd, int source_fd){ 4635282Srstrong@cs.ucsd.edu Process::FdMap *fdo = &fd_map[read_pipe_fd]; 4645282Srstrong@cs.ucsd.edu fdo->readPipeSource = source_fd; 4655282Srstrong@cs.ucsd.edu} 4665282Srstrong@cs.ucsd.edu 4675282Srstrong@cs.ucsd.eduvoid 4685282Srstrong@cs.ucsd.eduProcess::FdMap::serialize(std::ostream &os) 4695282Srstrong@cs.ucsd.edu{ 4705282Srstrong@cs.ucsd.edu SERIALIZE_SCALAR(fd); 4715282Srstrong@cs.ucsd.edu SERIALIZE_SCALAR(isPipe); 4725282Srstrong@cs.ucsd.edu SERIALIZE_SCALAR(filename); 4735282Srstrong@cs.ucsd.edu SERIALIZE_SCALAR(flags); 4745282Srstrong@cs.ucsd.edu SERIALIZE_SCALAR(readPipeSource); 4755282Srstrong@cs.ucsd.edu SERIALIZE_SCALAR(fileOffset); 4765282Srstrong@cs.ucsd.edu} 4775282Srstrong@cs.ucsd.edu 4785282Srstrong@cs.ucsd.eduvoid 4795282Srstrong@cs.ucsd.eduProcess::FdMap::unserialize(Checkpoint *cp, const std::string §ion) 4805282Srstrong@cs.ucsd.edu{ 4815282Srstrong@cs.ucsd.edu UNSERIALIZE_SCALAR(fd); 4825282Srstrong@cs.ucsd.edu UNSERIALIZE_SCALAR(isPipe); 4835282Srstrong@cs.ucsd.edu UNSERIALIZE_SCALAR(filename); 4845282Srstrong@cs.ucsd.edu UNSERIALIZE_SCALAR(flags); 4855282Srstrong@cs.ucsd.edu UNSERIALIZE_SCALAR(readPipeSource); 4865282Srstrong@cs.ucsd.edu UNSERIALIZE_SCALAR(fileOffset); 4875282Srstrong@cs.ucsd.edu} 4885282Srstrong@cs.ucsd.edu 4893311Ssaidi@eecs.umich.eduvoid 4903311Ssaidi@eecs.umich.eduProcess::serialize(std::ostream &os) 4913311Ssaidi@eecs.umich.edu{ 4923311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(initialContextLoaded); 4933311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(brk_point); 4943311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(stack_base); 4953311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(stack_size); 4963311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(stack_min); 4973311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(next_thread_stack_base); 4983311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(mmap_start); 4993311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(mmap_end); 5003311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(nxm_start); 5013311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(nxm_end); 5025282Srstrong@cs.ucsd.edu find_file_offsets(); 5035282Srstrong@cs.ucsd.edu pTable->serialize(os); 5045282Srstrong@cs.ucsd.edu for (int x = 0; x <= MAX_FD; x++) { 5055282Srstrong@cs.ucsd.edu nameOut(os, csprintf("%s.FdMap%d", name(), x)); 5065282Srstrong@cs.ucsd.edu fd_map[x].serialize(os); 5075282Srstrong@cs.ucsd.edu } 5083311Ssaidi@eecs.umich.edu 5093311Ssaidi@eecs.umich.edu} 5103311Ssaidi@eecs.umich.edu 5113311Ssaidi@eecs.umich.eduvoid 5123311Ssaidi@eecs.umich.eduProcess::unserialize(Checkpoint *cp, const std::string §ion) 5133311Ssaidi@eecs.umich.edu{ 5143311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(initialContextLoaded); 5153311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(brk_point); 5163311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(stack_base); 5173311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(stack_size); 5183311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(stack_min); 5193311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(next_thread_stack_base); 5203311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(mmap_start); 5213311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(mmap_end); 5223311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(nxm_start); 5233311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(nxm_end); 5243311Ssaidi@eecs.umich.edu pTable->unserialize(cp, section); 5255282Srstrong@cs.ucsd.edu for (int x = 0; x <= MAX_FD; x++) { 5265282Srstrong@cs.ucsd.edu fd_map[x].unserialize(cp, csprintf("%s.FdMap%d", section, x)); 5275282Srstrong@cs.ucsd.edu } 5285282Srstrong@cs.ucsd.edu fix_file_offsets(); 5295183Ssaidi@eecs.umich.edu 5305183Ssaidi@eecs.umich.edu checkpointRestored = true; 5315183Ssaidi@eecs.umich.edu 5323311Ssaidi@eecs.umich.edu} 5332SN/A 5342SN/A 5352SN/A//////////////////////////////////////////////////////////////////////// 5362SN/A// 5372SN/A// LiveProcess member definitions 5382SN/A// 5392SN/A//////////////////////////////////////////////////////////////////////// 5402SN/A 54112SN/A 5425154Sgblack@eecs.umich.eduLiveProcess::LiveProcess(LiveProcessParams * params, ObjectFile *_objFile) 5435154Sgblack@eecs.umich.edu : Process(params), objFile(_objFile), 5445154Sgblack@eecs.umich.edu argv(params->cmd), envp(params->env), cwd(params->cwd) 5452SN/A{ 5465154Sgblack@eecs.umich.edu __uid = params->uid; 5475154Sgblack@eecs.umich.edu __euid = params->euid; 5485154Sgblack@eecs.umich.edu __gid = params->gid; 5495154Sgblack@eecs.umich.edu __egid = params->egid; 5505154Sgblack@eecs.umich.edu __pid = params->pid; 5515154Sgblack@eecs.umich.edu __ppid = params->ppid; 5523114Sgblack@eecs.umich.edu 5535154Sgblack@eecs.umich.edu prog_fname = params->cmd[0]; 55412SN/A 5551158SN/A // load up symbols, if any... these may be used for debugging or 5561158SN/A // profiling. 5571158SN/A if (!debugSymbolTable) { 5581158SN/A debugSymbolTable = new SymbolTable(); 5591158SN/A if (!objFile->loadGlobalSymbols(debugSymbolTable) || 5601158SN/A !objFile->loadLocalSymbols(debugSymbolTable)) { 5611158SN/A // didn't load any symbols 5621158SN/A delete debugSymbolTable; 5631158SN/A debugSymbolTable = NULL; 5641158SN/A } 5651158SN/A } 5662378SN/A} 5671158SN/A 5682378SN/Avoid 5692474SN/ALiveProcess::argsInit(int intSize, int pageSize) 5702378SN/A{ 5712378SN/A Process::startup(); 57212SN/A 5732378SN/A // load object file into target memory 5742378SN/A objFile->loadSections(initVirtMem); 57512SN/A 57612SN/A // Calculate how much space we need for arg & env arrays. 5772474SN/A int argv_array_size = intSize * (argv.size() + 1); 5782474SN/A int envp_array_size = intSize * (envp.size() + 1); 57912SN/A int arg_data_size = 0; 5806227Snate@binkert.org for (vector<string>::size_type i = 0; i < argv.size(); ++i) { 58112SN/A arg_data_size += argv[i].size() + 1; 58212SN/A } 58312SN/A int env_data_size = 0; 5846227Snate@binkert.org for (vector<string>::size_type i = 0; i < envp.size(); ++i) { 58512SN/A env_data_size += envp[i].size() + 1; 58612SN/A } 58712SN/A 58812SN/A int space_needed = 58912SN/A argv_array_size + envp_array_size + arg_data_size + env_data_size; 5903005Sstever@eecs.umich.edu if (space_needed < 32*1024) 5913005Sstever@eecs.umich.edu space_needed = 32*1024; 59212SN/A 59312SN/A // set bottom of stack 59412SN/A stack_min = stack_base - space_needed; 59512SN/A // align it 5962800Ssaidi@eecs.umich.edu stack_min = roundDown(stack_min, pageSize); 59712SN/A stack_size = stack_base - stack_min; 5982378SN/A // map memory 5992800Ssaidi@eecs.umich.edu pTable->allocate(stack_min, roundUp(stack_size, pageSize)); 60012SN/A 60112SN/A // map out initial stack contents 6022523SN/A Addr argv_array_base = stack_min + intSize; // room for argc 60312SN/A Addr envp_array_base = argv_array_base + argv_array_size; 60412SN/A Addr arg_data_base = envp_array_base + envp_array_size; 60512SN/A Addr env_data_base = arg_data_base + arg_data_size; 60612SN/A 60712SN/A // write contents to stack 60812SN/A uint64_t argc = argv.size(); 6092474SN/A if (intSize == 8) 6102474SN/A argc = htog((uint64_t)argc); 6112474SN/A else if (intSize == 4) 6122474SN/A argc = htog((uint32_t)argc); 6132474SN/A else 6142474SN/A panic("Unknown int size"); 6152474SN/A 6162474SN/A initVirtMem->writeBlob(stack_min, (uint8_t*)&argc, intSize); 61712SN/A 6182378SN/A copyStringArray(argv, argv_array_base, arg_data_base, initVirtMem); 6192378SN/A copyStringArray(envp, envp_array_base, env_data_base, initVirtMem); 62012SN/A 6215713Shsul@eecs.umich.edu ThreadContext *tc = system->getThreadContext(contextIds[0]); 6225713Shsul@eecs.umich.edu 6235958Sgblack@eecs.umich.edu setSyscallArg(tc, 0, argc); 6245958Sgblack@eecs.umich.edu setSyscallArg(tc, 1, argv_array_base); 6255713Shsul@eecs.umich.edu tc->setIntReg(StackPointerReg, stack_min); 6262451SN/A 6272451SN/A Addr prog_entry = objFile->entryPoint(); 6285713Shsul@eecs.umich.edu tc->setPC(prog_entry); 6295713Shsul@eecs.umich.edu tc->setNextPC(prog_entry + sizeof(MachInst)); 6302817Sksewell@umich.edu 6316691Stjones1@inf.ed.ac.uk#if THE_ISA != ALPHA_ISA && THE_ISA != POWER_ISA //e.g. MIPS or Sparc 6325713Shsul@eecs.umich.edu tc->setNextNPC(prog_entry + (2 * sizeof(MachInst))); 6332817Sksewell@umich.edu#endif 6342378SN/A 6352378SN/A num_processes++; 6362SN/A} 6372SN/A 6382093SN/Avoid 6392680Sktlim@umich.eduLiveProcess::syscall(int64_t callnum, ThreadContext *tc) 6402093SN/A{ 6412093SN/A num_syscalls++; 6422093SN/A 6432093SN/A SyscallDesc *desc = getDesc(callnum); 6442093SN/A if (desc == NULL) 6452093SN/A fatal("Syscall %d out of range", callnum); 6462093SN/A 6472680Sktlim@umich.edu desc->doSyscall(callnum, this, tc); 6482093SN/A} 6492SN/A 6502715Sstever@eecs.umich.eduLiveProcess * 6515154Sgblack@eecs.umich.eduLiveProcess::create(LiveProcessParams * params) 6522715Sstever@eecs.umich.edu{ 6532715Sstever@eecs.umich.edu LiveProcess *process = NULL; 6542715Sstever@eecs.umich.edu 6555154Sgblack@eecs.umich.edu string executable = 6565154Sgblack@eecs.umich.edu params->executable == "" ? params->cmd[0] : params->executable; 6572715Sstever@eecs.umich.edu ObjectFile *objFile = createObjectFile(executable); 6582715Sstever@eecs.umich.edu if (objFile == NULL) { 6592715Sstever@eecs.umich.edu fatal("Can't load object file %s", executable); 6602715Sstever@eecs.umich.edu } 6612715Sstever@eecs.umich.edu 6623917Ssaidi@eecs.umich.edu if (objFile->isDynamic()) 6633917Ssaidi@eecs.umich.edu fatal("Object file is a dynamic executable however only static " 6645070Ssaidi@eecs.umich.edu "executables are supported!\n Please recompile your " 6653917Ssaidi@eecs.umich.edu "executable as a static binary and try again.\n"); 6663917Ssaidi@eecs.umich.edu 6675089Sgblack@eecs.umich.edu#if THE_ISA == ALPHA_ISA 6685753Ssteve.reinhardt@amd.com if (objFile->getArch() != ObjectFile::Alpha) 6695753Ssteve.reinhardt@amd.com fatal("Object file architecture does not match compiled ISA (Alpha)."); 6705753Ssteve.reinhardt@amd.com 6712715Sstever@eecs.umich.edu switch (objFile->getOpSys()) { 6722715Sstever@eecs.umich.edu case ObjectFile::Tru64: 6735154Sgblack@eecs.umich.edu process = new AlphaTru64Process(params, objFile); 6742715Sstever@eecs.umich.edu break; 6752715Sstever@eecs.umich.edu 6765753Ssteve.reinhardt@amd.com case ObjectFile::UnknownOpSys: 6775753Ssteve.reinhardt@amd.com warn("Unknown operating system; assuming Linux."); 6785753Ssteve.reinhardt@amd.com // fall through 6792715Sstever@eecs.umich.edu case ObjectFile::Linux: 6805154Sgblack@eecs.umich.edu process = new AlphaLinuxProcess(params, objFile); 6812715Sstever@eecs.umich.edu break; 6822715Sstever@eecs.umich.edu 6832715Sstever@eecs.umich.edu default: 6842715Sstever@eecs.umich.edu fatal("Unknown/unsupported operating system."); 6852715Sstever@eecs.umich.edu } 6862715Sstever@eecs.umich.edu#elif THE_ISA == SPARC_ISA 6875753Ssteve.reinhardt@amd.com if (objFile->getArch() != ObjectFile::SPARC64 && 6885753Ssteve.reinhardt@amd.com objFile->getArch() != ObjectFile::SPARC32) 6892715Sstever@eecs.umich.edu fatal("Object file architecture does not match compiled ISA (SPARC)."); 6902715Sstever@eecs.umich.edu switch (objFile->getOpSys()) { 6915753Ssteve.reinhardt@amd.com case ObjectFile::UnknownOpSys: 6925753Ssteve.reinhardt@amd.com warn("Unknown operating system; assuming Linux."); 6935753Ssteve.reinhardt@amd.com // fall through 6942715Sstever@eecs.umich.edu case ObjectFile::Linux: 6954111Sgblack@eecs.umich.edu if (objFile->getArch() == ObjectFile::SPARC64) { 6965154Sgblack@eecs.umich.edu process = new Sparc64LinuxProcess(params, objFile); 6974111Sgblack@eecs.umich.edu } else { 6985154Sgblack@eecs.umich.edu process = new Sparc32LinuxProcess(params, objFile); 6994111Sgblack@eecs.umich.edu } 7002715Sstever@eecs.umich.edu break; 7012715Sstever@eecs.umich.edu 7022715Sstever@eecs.umich.edu 7032715Sstever@eecs.umich.edu case ObjectFile::Solaris: 7045154Sgblack@eecs.umich.edu process = new SparcSolarisProcess(params, objFile); 7052715Sstever@eecs.umich.edu break; 7065753Ssteve.reinhardt@amd.com 7072715Sstever@eecs.umich.edu default: 7082715Sstever@eecs.umich.edu fatal("Unknown/unsupported operating system."); 7092715Sstever@eecs.umich.edu } 7104157Sgblack@eecs.umich.edu#elif THE_ISA == X86_ISA 7115874Sgblack@eecs.umich.edu if (objFile->getArch() != ObjectFile::X86_64 && 7125874Sgblack@eecs.umich.edu objFile->getArch() != ObjectFile::I386) 7134166Sgblack@eecs.umich.edu fatal("Object file architecture does not match compiled ISA (x86)."); 7144157Sgblack@eecs.umich.edu switch (objFile->getOpSys()) { 7155753Ssteve.reinhardt@amd.com case ObjectFile::UnknownOpSys: 7165753Ssteve.reinhardt@amd.com warn("Unknown operating system; assuming Linux."); 7175753Ssteve.reinhardt@amd.com // fall through 7184166Sgblack@eecs.umich.edu case ObjectFile::Linux: 7195874Sgblack@eecs.umich.edu if (objFile->getArch() == ObjectFile::X86_64) { 7205955Sgblack@eecs.umich.edu process = new X86_64LinuxProcess(params, objFile); 7215874Sgblack@eecs.umich.edu } else { 7225955Sgblack@eecs.umich.edu process = new I386LinuxProcess(params, objFile); 7235874Sgblack@eecs.umich.edu } 7244166Sgblack@eecs.umich.edu break; 7255753Ssteve.reinhardt@amd.com 7264157Sgblack@eecs.umich.edu default: 7274157Sgblack@eecs.umich.edu fatal("Unknown/unsupported operating system."); 7284157Sgblack@eecs.umich.edu } 7292715Sstever@eecs.umich.edu#elif THE_ISA == MIPS_ISA 7302715Sstever@eecs.umich.edu if (objFile->getArch() != ObjectFile::Mips) 7312715Sstever@eecs.umich.edu fatal("Object file architecture does not match compiled ISA (MIPS)."); 7322715Sstever@eecs.umich.edu switch (objFile->getOpSys()) { 7335753Ssteve.reinhardt@amd.com case ObjectFile::UnknownOpSys: 7345753Ssteve.reinhardt@amd.com warn("Unknown operating system; assuming Linux."); 7355753Ssteve.reinhardt@amd.com // fall through 7362715Sstever@eecs.umich.edu case ObjectFile::Linux: 7375154Sgblack@eecs.umich.edu process = new MipsLinuxProcess(params, objFile); 7382715Sstever@eecs.umich.edu break; 7392715Sstever@eecs.umich.edu 7402715Sstever@eecs.umich.edu default: 7412715Sstever@eecs.umich.edu fatal("Unknown/unsupported operating system."); 7422715Sstever@eecs.umich.edu } 7435335Shines@cs.fsu.edu#elif THE_ISA == ARM_ISA 7445335Shines@cs.fsu.edu if (objFile->getArch() != ObjectFile::Arm) 7455335Shines@cs.fsu.edu fatal("Object file architecture does not match compiled ISA (ARM)."); 7465335Shines@cs.fsu.edu switch (objFile->getOpSys()) { 7475753Ssteve.reinhardt@amd.com case ObjectFile::UnknownOpSys: 7485753Ssteve.reinhardt@amd.com warn("Unknown operating system; assuming Linux."); 7495753Ssteve.reinhardt@amd.com // fall through 7505335Shines@cs.fsu.edu case ObjectFile::Linux: 7515335Shines@cs.fsu.edu process = new ArmLinuxProcess(params, objFile); 7525335Shines@cs.fsu.edu break; 7536392Ssaidi@eecs.umich.edu case ObjectFile::LinuxArmOABI: 7546392Ssaidi@eecs.umich.edu fatal("M5 does not support ARM OABI binaries. Please recompile with an" 7556392Ssaidi@eecs.umich.edu " EABI compiler."); 7565335Shines@cs.fsu.edu default: 7575335Shines@cs.fsu.edu fatal("Unknown/unsupported operating system."); 7585335Shines@cs.fsu.edu } 7596691Stjones1@inf.ed.ac.uk#elif THE_ISA == POWER_ISA 7606691Stjones1@inf.ed.ac.uk if (objFile->getArch() != ObjectFile::Power) 7616691Stjones1@inf.ed.ac.uk fatal("Object file architecture does not match compiled ISA (Power)."); 7626691Stjones1@inf.ed.ac.uk switch (objFile->getOpSys()) { 7636691Stjones1@inf.ed.ac.uk case ObjectFile::UnknownOpSys: 7646691Stjones1@inf.ed.ac.uk warn("Unknown operating system; assuming Linux."); 7656691Stjones1@inf.ed.ac.uk // fall through 7666691Stjones1@inf.ed.ac.uk case ObjectFile::Linux: 7676691Stjones1@inf.ed.ac.uk process = new PowerLinuxProcess(params, objFile); 7686691Stjones1@inf.ed.ac.uk break; 7696691Stjones1@inf.ed.ac.uk 7706691Stjones1@inf.ed.ac.uk default: 7716691Stjones1@inf.ed.ac.uk fatal("Unknown/unsupported operating system."); 7726691Stjones1@inf.ed.ac.uk } 7732715Sstever@eecs.umich.edu#else 7742715Sstever@eecs.umich.edu#error "THE_ISA not set" 7752715Sstever@eecs.umich.edu#endif 7762715Sstever@eecs.umich.edu 7772715Sstever@eecs.umich.edu 7782715Sstever@eecs.umich.edu if (process == NULL) 7792715Sstever@eecs.umich.edu fatal("Unknown error creating process object."); 7802715Sstever@eecs.umich.edu return process; 7812715Sstever@eecs.umich.edu} 7822715Sstever@eecs.umich.edu 7834762Snate@binkert.orgLiveProcess * 7844762Snate@binkert.orgLiveProcessParams::create() 7852715Sstever@eecs.umich.edu{ 7865154Sgblack@eecs.umich.edu return LiveProcess::create(this); 7872715Sstever@eecs.umich.edu} 788