process.cc revision 8737
1/* 2 * Copyright (c) 2001-2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Nathan Binkert 29 * Steve Reinhardt 30 * Ali Saidi 31 */ 32 33#include <fcntl.h> 34#include <unistd.h> 35 36#include <cstdio> 37#include <string> 38 39#include "base/loader/object_file.hh" 40#include "base/loader/symtab.hh" 41#include "base/intmath.hh" 42#include "base/statistics.hh" 43#include "config/full_system.hh" 44#include "config/the_isa.hh" 45#include "cpu/thread_context.hh" 46#include "mem/page_table.hh" 47#include "mem/physical.hh" 48#include "mem/se_translating_port_proxy.hh" 49#include "params/LiveProcess.hh" 50#include "params/Process.hh" 51#include "sim/debug.hh" 52#include "sim/process.hh" 53#include "sim/process_impl.hh" 54#include "sim/stats.hh" 55#include "sim/syscall_emul.hh" 56#include "sim/system.hh" 57 58#if THE_ISA == ALPHA_ISA 59#include "arch/alpha/linux/process.hh" 60#include "arch/alpha/tru64/process.hh" 61#elif THE_ISA == SPARC_ISA 62#include "arch/sparc/linux/process.hh" 63#include "arch/sparc/solaris/process.hh" 64#elif THE_ISA == MIPS_ISA 65#include "arch/mips/linux/process.hh" 66#elif THE_ISA == ARM_ISA 67#include "arch/arm/linux/process.hh" 68#elif THE_ISA == X86_ISA 69#include "arch/x86/linux/process.hh" 70#elif THE_ISA == POWER_ISA 71#include "arch/power/linux/process.hh" 72#else 73#error "THE_ISA not set" 74#endif 75 76 77using namespace std; 78using namespace TheISA; 79 80// 81// The purpose of this code is to fake the loader & syscall mechanism 82// when there's no OS: thus there's no resone to use it in FULL_SYSTEM 83// mode when we do have an OS 84// 85#if FULL_SYSTEM 86#error "process.cc not compatible with FULL_SYSTEM" 87#endif 88 89// current number of allocated processes 90int num_processes = 0; 91 92template<class IntType> 93AuxVector<IntType>::AuxVector(IntType type, IntType val) 94{ 95 a_type = TheISA::htog(type); 96 a_val = TheISA::htog(val); 97} 98 99template struct AuxVector<uint32_t>; 100template struct AuxVector<uint64_t>; 101 102Process::Process(ProcessParams * params) 103 : SimObject(params), system(params->system), 104 max_stack_size(params->max_stack_size) 105{ 106 string in = params->input; 107 string out = params->output; 108 string err = params->errout; 109 110 // initialize file descriptors to default: same as simulator 111 int stdin_fd, stdout_fd, stderr_fd; 112 113 if (in == "stdin" || in == "cin") 114 stdin_fd = STDIN_FILENO; 115 else if (in == "None") 116 stdin_fd = -1; 117 else 118 stdin_fd = Process::openInputFile(in); 119 120 if (out == "stdout" || out == "cout") 121 stdout_fd = STDOUT_FILENO; 122 else if (out == "stderr" || out == "cerr") 123 stdout_fd = STDERR_FILENO; 124 else if (out == "None") 125 stdout_fd = -1; 126 else 127 stdout_fd = Process::openOutputFile(out); 128 129 if (err == "stdout" || err == "cout") 130 stderr_fd = STDOUT_FILENO; 131 else if (err == "stderr" || err == "cerr") 132 stderr_fd = STDERR_FILENO; 133 else if (err == "None") 134 stderr_fd = -1; 135 else if (err == out) 136 stderr_fd = stdout_fd; 137 else 138 stderr_fd = Process::openOutputFile(err); 139 140 M5_pid = system->allocatePID(); 141 // initialize first 3 fds (stdin, stdout, stderr) 142 Process::FdMap *fdo = &fd_map[STDIN_FILENO]; 143 fdo->fd = stdin_fd; 144 fdo->filename = in; 145 fdo->flags = O_RDONLY; 146 fdo->mode = -1; 147 fdo->fileOffset = 0; 148 149 fdo = &fd_map[STDOUT_FILENO]; 150 fdo->fd = stdout_fd; 151 fdo->filename = out; 152 fdo->flags = O_WRONLY | O_CREAT | O_TRUNC; 153 fdo->mode = 0774; 154 fdo->fileOffset = 0; 155 156 fdo = &fd_map[STDERR_FILENO]; 157 fdo->fd = stderr_fd; 158 fdo->filename = err; 159 fdo->flags = O_WRONLY; 160 fdo->mode = -1; 161 fdo->fileOffset = 0; 162 163 164 // mark remaining fds as free 165 for (int i = 3; i <= MAX_FD; ++i) { 166 Process::FdMap *fdo = &fd_map[i]; 167 fdo->fd = -1; 168 } 169 170 mmap_start = mmap_end = 0; 171 nxm_start = nxm_end = 0; 172 pTable = new PageTable(name(), M5_pid); 173 // other parameters will be initialized when the program is loaded 174} 175 176 177void 178Process::regStats() 179{ 180 using namespace Stats; 181 182 num_syscalls 183 .name(name() + ".num_syscalls") 184 .desc("Number of system calls") 185 ; 186} 187 188// 189// static helper functions 190// 191int 192Process::openInputFile(const string &filename) 193{ 194 int fd = open(filename.c_str(), O_RDONLY); 195 196 if (fd == -1) { 197 perror(NULL); 198 cerr << "unable to open \"" << filename << "\" for reading\n"; 199 fatal("can't open input file"); 200 } 201 202 return fd; 203} 204 205 206int 207Process::openOutputFile(const string &filename) 208{ 209 int fd = open(filename.c_str(), O_WRONLY | O_CREAT | O_TRUNC, 0664); 210 211 if (fd == -1) { 212 perror(NULL); 213 cerr << "unable to open \"" << filename << "\" for writing\n"; 214 fatal("can't open output file"); 215 } 216 217 return fd; 218} 219 220ThreadContext * 221Process::findFreeContext() 222{ 223 int size = contextIds.size(); 224 ThreadContext *tc; 225 for (int i = 0; i < size; ++i) { 226 tc = system->getThreadContext(contextIds[i]); 227 if (tc->status() == ThreadContext::Halted) { 228 // inactive context, free to use 229 return tc; 230 } 231 } 232 return NULL; 233} 234 235void 236Process::initState() 237{ 238 if (contextIds.empty()) 239 fatal("Process %s is not associated with any HW contexts!\n", name()); 240 241 // first thread context for this process... initialize & enable 242 ThreadContext *tc = system->getThreadContext(contextIds[0]); 243 244 // mark this context as active so it will start ticking. 245 tc->activate(0); 246 247 initVirtMem = new SETranslatingPortProxy(*system->getSystemPort(), this, 248 SETranslatingPortProxy::Always); 249} 250 251// map simulator fd sim_fd to target fd tgt_fd 252void 253Process::dup_fd(int sim_fd, int tgt_fd) 254{ 255 if (tgt_fd < 0 || tgt_fd > MAX_FD) 256 panic("Process::dup_fd tried to dup past MAX_FD (%d)", tgt_fd); 257 258 Process::FdMap *fdo = &fd_map[tgt_fd]; 259 fdo->fd = sim_fd; 260} 261 262 263// generate new target fd for sim_fd 264int 265Process::alloc_fd(int sim_fd, string filename, int flags, int mode, bool pipe) 266{ 267 // in case open() returns an error, don't allocate a new fd 268 if (sim_fd == -1) 269 return -1; 270 271 // find first free target fd 272 for (int free_fd = 0; free_fd <= MAX_FD; ++free_fd) { 273 Process::FdMap *fdo = &fd_map[free_fd]; 274 if (fdo->fd == -1) { 275 fdo->fd = sim_fd; 276 fdo->filename = filename; 277 fdo->mode = mode; 278 fdo->fileOffset = 0; 279 fdo->flags = flags; 280 fdo->isPipe = pipe; 281 fdo->readPipeSource = 0; 282 return free_fd; 283 } 284 } 285 286 panic("Process::alloc_fd: out of file descriptors!"); 287} 288 289 290// free target fd (e.g., after close) 291void 292Process::free_fd(int tgt_fd) 293{ 294 Process::FdMap *fdo = &fd_map[tgt_fd]; 295 if (fdo->fd == -1) 296 warn("Process::free_fd: request to free unused fd %d", tgt_fd); 297 298 fdo->fd = -1; 299 fdo->filename = "NULL"; 300 fdo->mode = 0; 301 fdo->fileOffset = 0; 302 fdo->flags = 0; 303 fdo->isPipe = false; 304 fdo->readPipeSource = 0; 305} 306 307 308// look up simulator fd for given target fd 309int 310Process::sim_fd(int tgt_fd) 311{ 312 if (tgt_fd < 0 || tgt_fd > MAX_FD) 313 return -1; 314 315 return fd_map[tgt_fd].fd; 316} 317 318Process::FdMap * 319Process::sim_fd_obj(int tgt_fd) 320{ 321 if (tgt_fd < 0 || tgt_fd > MAX_FD) 322 return NULL; 323 324 return &fd_map[tgt_fd]; 325} 326 327void 328Process::allocateMem(Addr vaddr, int64_t size, bool clobber) 329{ 330 int npages = divCeil(size, (int64_t)VMPageSize); 331 Addr paddr = system->allocPhysPages(npages); 332 pTable->map(vaddr, paddr, size, clobber); 333} 334 335bool 336Process::fixupStackFault(Addr vaddr) 337{ 338 // Check if this is already on the stack and there's just no page there 339 // yet. 340 if (vaddr >= stack_min && vaddr < stack_base) { 341 allocateMem(roundDown(vaddr, VMPageSize), VMPageSize); 342 return true; 343 } 344 345 // We've accessed the next page of the stack, so extend it to include 346 // this address. 347 if (vaddr < stack_min && vaddr >= stack_base - max_stack_size) { 348 while (vaddr < stack_min) { 349 stack_min -= TheISA::PageBytes; 350 if (stack_base - stack_min > max_stack_size) 351 fatal("Maximum stack size exceeded\n"); 352 if (stack_base - stack_min > 8 * 1024 * 1024) 353 fatal("Over max stack size for one thread\n"); 354 allocateMem(stack_min, TheISA::PageBytes); 355 inform("Increasing stack size by one page."); 356 }; 357 return true; 358 } 359 return false; 360} 361 362// find all offsets for currently open files and save them 363void 364Process::fix_file_offsets() 365{ 366 Process::FdMap *fdo_stdin = &fd_map[STDIN_FILENO]; 367 Process::FdMap *fdo_stdout = &fd_map[STDOUT_FILENO]; 368 Process::FdMap *fdo_stderr = &fd_map[STDERR_FILENO]; 369 string in = fdo_stdin->filename; 370 string out = fdo_stdout->filename; 371 string err = fdo_stderr->filename; 372 373 // initialize file descriptors to default: same as simulator 374 int stdin_fd, stdout_fd, stderr_fd; 375 376 if (in == "stdin" || in == "cin") 377 stdin_fd = STDIN_FILENO; 378 else if (in == "None") 379 stdin_fd = -1; 380 else { 381 // open standard in and seek to the right location 382 stdin_fd = Process::openInputFile(in); 383 if (lseek(stdin_fd, fdo_stdin->fileOffset, SEEK_SET) < 0) 384 panic("Unable to seek to correct location in file: %s", in); 385 } 386 387 if (out == "stdout" || out == "cout") 388 stdout_fd = STDOUT_FILENO; 389 else if (out == "stderr" || out == "cerr") 390 stdout_fd = STDERR_FILENO; 391 else if (out == "None") 392 stdout_fd = -1; 393 else { 394 stdout_fd = Process::openOutputFile(out); 395 if (lseek(stdout_fd, fdo_stdout->fileOffset, SEEK_SET) < 0) 396 panic("Unable to seek to correct location in file: %s", out); 397 } 398 399 if (err == "stdout" || err == "cout") 400 stderr_fd = STDOUT_FILENO; 401 else if (err == "stderr" || err == "cerr") 402 stderr_fd = STDERR_FILENO; 403 else if (err == "None") 404 stderr_fd = -1; 405 else if (err == out) 406 stderr_fd = stdout_fd; 407 else { 408 stderr_fd = Process::openOutputFile(err); 409 if (lseek(stderr_fd, fdo_stderr->fileOffset, SEEK_SET) < 0) 410 panic("Unable to seek to correct location in file: %s", err); 411 } 412 413 fdo_stdin->fd = stdin_fd; 414 fdo_stdout->fd = stdout_fd; 415 fdo_stderr->fd = stderr_fd; 416 417 418 for (int free_fd = 3; free_fd <= MAX_FD; ++free_fd) { 419 Process::FdMap *fdo = &fd_map[free_fd]; 420 if (fdo->fd != -1) { 421 if (fdo->isPipe){ 422 if (fdo->filename == "PIPE-WRITE") 423 continue; 424 else { 425 assert (fdo->filename == "PIPE-READ"); 426 //create a new pipe 427 int fds[2]; 428 int pipe_retval = pipe(fds); 429 430 if (pipe_retval < 0) { 431 // error 432 panic("Unable to create new pipe."); 433 } 434 fdo->fd = fds[0]; //set read pipe 435 Process::FdMap *fdo_write = &fd_map[fdo->readPipeSource]; 436 if (fdo_write->filename != "PIPE-WRITE") 437 panic ("Couldn't find write end of the pipe"); 438 439 fdo_write->fd = fds[1];//set write pipe 440 } 441 } else { 442 //Open file 443 int fd = open(fdo->filename.c_str(), fdo->flags, fdo->mode); 444 445 if (fd == -1) 446 panic("Unable to open file: %s", fdo->filename); 447 fdo->fd = fd; 448 449 //Seek to correct location before checkpoint 450 if (lseek(fd,fdo->fileOffset, SEEK_SET) < 0) 451 panic("Unable to seek to correct location in file: %s", 452 fdo->filename); 453 } 454 } 455 } 456} 457 458void 459Process::find_file_offsets() 460{ 461 for (int free_fd = 0; free_fd <= MAX_FD; ++free_fd) { 462 Process::FdMap *fdo = &fd_map[free_fd]; 463 if (fdo->fd != -1) { 464 fdo->fileOffset = lseek(fdo->fd, 0, SEEK_CUR); 465 } else { 466 fdo->filename = "NULL"; 467 fdo->fileOffset = 0; 468 } 469 } 470} 471 472void 473Process::setReadPipeSource(int read_pipe_fd, int source_fd) 474{ 475 Process::FdMap *fdo = &fd_map[read_pipe_fd]; 476 fdo->readPipeSource = source_fd; 477} 478 479void 480Process::FdMap::serialize(std::ostream &os) 481{ 482 SERIALIZE_SCALAR(fd); 483 SERIALIZE_SCALAR(isPipe); 484 SERIALIZE_SCALAR(filename); 485 SERIALIZE_SCALAR(flags); 486 SERIALIZE_SCALAR(readPipeSource); 487 SERIALIZE_SCALAR(fileOffset); 488} 489 490void 491Process::FdMap::unserialize(Checkpoint *cp, const std::string §ion) 492{ 493 UNSERIALIZE_SCALAR(fd); 494 UNSERIALIZE_SCALAR(isPipe); 495 UNSERIALIZE_SCALAR(filename); 496 UNSERIALIZE_SCALAR(flags); 497 UNSERIALIZE_SCALAR(readPipeSource); 498 UNSERIALIZE_SCALAR(fileOffset); 499} 500 501void 502Process::serialize(std::ostream &os) 503{ 504 SERIALIZE_SCALAR(brk_point); 505 SERIALIZE_SCALAR(stack_base); 506 SERIALIZE_SCALAR(stack_size); 507 SERIALIZE_SCALAR(stack_min); 508 SERIALIZE_SCALAR(next_thread_stack_base); 509 SERIALIZE_SCALAR(mmap_start); 510 SERIALIZE_SCALAR(mmap_end); 511 SERIALIZE_SCALAR(nxm_start); 512 SERIALIZE_SCALAR(nxm_end); 513 find_file_offsets(); 514 pTable->serialize(os); 515 for (int x = 0; x <= MAX_FD; x++) { 516 nameOut(os, csprintf("%s.FdMap%d", name(), x)); 517 fd_map[x].serialize(os); 518 } 519 SERIALIZE_SCALAR(M5_pid); 520 521} 522 523void 524Process::unserialize(Checkpoint *cp, const std::string §ion) 525{ 526 UNSERIALIZE_SCALAR(brk_point); 527 UNSERIALIZE_SCALAR(stack_base); 528 UNSERIALIZE_SCALAR(stack_size); 529 UNSERIALIZE_SCALAR(stack_min); 530 UNSERIALIZE_SCALAR(next_thread_stack_base); 531 UNSERIALIZE_SCALAR(mmap_start); 532 UNSERIALIZE_SCALAR(mmap_end); 533 UNSERIALIZE_SCALAR(nxm_start); 534 UNSERIALIZE_SCALAR(nxm_end); 535 pTable->unserialize(cp, section); 536 for (int x = 0; x <= MAX_FD; x++) { 537 fd_map[x].unserialize(cp, csprintf("%s.FdMap%d", section, x)); 538 } 539 fix_file_offsets(); 540 UNSERIALIZE_OPT_SCALAR(M5_pid); 541 // The above returns a bool so that you could do something if you don't 542 // find the param in the checkpoint if you wanted to, like set a default 543 // but in this case we'll just stick with the instantianted value if not 544 // found. 545} 546 547 548//////////////////////////////////////////////////////////////////////// 549// 550// LiveProcess member definitions 551// 552//////////////////////////////////////////////////////////////////////// 553 554 555LiveProcess::LiveProcess(LiveProcessParams * params, ObjectFile *_objFile) 556 : Process(params), objFile(_objFile), 557 argv(params->cmd), envp(params->env), cwd(params->cwd) 558{ 559 __uid = params->uid; 560 __euid = params->euid; 561 __gid = params->gid; 562 __egid = params->egid; 563 __pid = params->pid; 564 __ppid = params->ppid; 565 566 prog_fname = params->cmd[0]; 567 568 // load up symbols, if any... these may be used for debugging or 569 // profiling. 570 if (!debugSymbolTable) { 571 debugSymbolTable = new SymbolTable(); 572 if (!objFile->loadGlobalSymbols(debugSymbolTable) || 573 !objFile->loadLocalSymbols(debugSymbolTable)) { 574 // didn't load any symbols 575 delete debugSymbolTable; 576 debugSymbolTable = NULL; 577 } 578 } 579} 580 581void 582LiveProcess::syscall(int64_t callnum, ThreadContext *tc) 583{ 584 num_syscalls++; 585 586 SyscallDesc *desc = getDesc(callnum); 587 if (desc == NULL) 588 fatal("Syscall %d out of range", callnum); 589 590 desc->doSyscall(callnum, this, tc); 591} 592 593IntReg 594LiveProcess::getSyscallArg(ThreadContext *tc, int &i, int width) 595{ 596 return getSyscallArg(tc, i); 597} 598 599LiveProcess * 600LiveProcess::create(LiveProcessParams * params) 601{ 602 LiveProcess *process = NULL; 603 604 string executable = 605 params->executable == "" ? params->cmd[0] : params->executable; 606 ObjectFile *objFile = createObjectFile(executable); 607 if (objFile == NULL) { 608 fatal("Can't load object file %s", executable); 609 } 610 611 if (objFile->isDynamic()) 612 fatal("Object file is a dynamic executable however only static " 613 "executables are supported!\n Please recompile your " 614 "executable as a static binary and try again.\n"); 615 616#if THE_ISA == ALPHA_ISA 617 if (objFile->getArch() != ObjectFile::Alpha) 618 fatal("Object file architecture does not match compiled ISA (Alpha)."); 619 620 switch (objFile->getOpSys()) { 621 case ObjectFile::Tru64: 622 process = new AlphaTru64Process(params, objFile); 623 break; 624 625 case ObjectFile::UnknownOpSys: 626 warn("Unknown operating system; assuming Linux."); 627 // fall through 628 case ObjectFile::Linux: 629 process = new AlphaLinuxProcess(params, objFile); 630 break; 631 632 default: 633 fatal("Unknown/unsupported operating system."); 634 } 635#elif THE_ISA == SPARC_ISA 636 if (objFile->getArch() != ObjectFile::SPARC64 && 637 objFile->getArch() != ObjectFile::SPARC32) 638 fatal("Object file architecture does not match compiled ISA (SPARC)."); 639 switch (objFile->getOpSys()) { 640 case ObjectFile::UnknownOpSys: 641 warn("Unknown operating system; assuming Linux."); 642 // fall through 643 case ObjectFile::Linux: 644 if (objFile->getArch() == ObjectFile::SPARC64) { 645 process = new Sparc64LinuxProcess(params, objFile); 646 } else { 647 process = new Sparc32LinuxProcess(params, objFile); 648 } 649 break; 650 651 652 case ObjectFile::Solaris: 653 process = new SparcSolarisProcess(params, objFile); 654 break; 655 656 default: 657 fatal("Unknown/unsupported operating system."); 658 } 659#elif THE_ISA == X86_ISA 660 if (objFile->getArch() != ObjectFile::X86_64 && 661 objFile->getArch() != ObjectFile::I386) 662 fatal("Object file architecture does not match compiled ISA (x86)."); 663 switch (objFile->getOpSys()) { 664 case ObjectFile::UnknownOpSys: 665 warn("Unknown operating system; assuming Linux."); 666 // fall through 667 case ObjectFile::Linux: 668 if (objFile->getArch() == ObjectFile::X86_64) { 669 process = new X86_64LinuxProcess(params, objFile); 670 } else { 671 process = new I386LinuxProcess(params, objFile); 672 } 673 break; 674 675 default: 676 fatal("Unknown/unsupported operating system."); 677 } 678#elif THE_ISA == MIPS_ISA 679 if (objFile->getArch() != ObjectFile::Mips) 680 fatal("Object file architecture does not match compiled ISA (MIPS)."); 681 switch (objFile->getOpSys()) { 682 case ObjectFile::UnknownOpSys: 683 warn("Unknown operating system; assuming Linux."); 684 // fall through 685 case ObjectFile::Linux: 686 process = new MipsLinuxProcess(params, objFile); 687 break; 688 689 default: 690 fatal("Unknown/unsupported operating system."); 691 } 692#elif THE_ISA == ARM_ISA 693 if (objFile->getArch() != ObjectFile::Arm && 694 objFile->getArch() != ObjectFile::Thumb) 695 fatal("Object file architecture does not match compiled ISA (ARM)."); 696 switch (objFile->getOpSys()) { 697 case ObjectFile::UnknownOpSys: 698 warn("Unknown operating system; assuming Linux."); 699 // fall through 700 case ObjectFile::Linux: 701 process = new ArmLinuxProcess(params, objFile, objFile->getArch()); 702 break; 703 case ObjectFile::LinuxArmOABI: 704 fatal("M5 does not support ARM OABI binaries. Please recompile with an" 705 " EABI compiler."); 706 default: 707 fatal("Unknown/unsupported operating system."); 708 } 709#elif THE_ISA == POWER_ISA 710 if (objFile->getArch() != ObjectFile::Power) 711 fatal("Object file architecture does not match compiled ISA (Power)."); 712 switch (objFile->getOpSys()) { 713 case ObjectFile::UnknownOpSys: 714 warn("Unknown operating system; assuming Linux."); 715 // fall through 716 case ObjectFile::Linux: 717 process = new PowerLinuxProcess(params, objFile); 718 break; 719 720 default: 721 fatal("Unknown/unsupported operating system."); 722 } 723#else 724#error "THE_ISA not set" 725#endif 726 727 728 if (process == NULL) 729 fatal("Unknown error creating process object."); 730 return process; 731} 732 733LiveProcess * 734LiveProcessParams::create() 735{ 736 return LiveProcess::create(this); 737} 738