/*
+ * Copyright (c) 2012 ARM Limited
+ * All rights reserved
+ *
+ * The license below extends only to copyright in the software and shall
+ * not be construed as granting a license to any other intellectual
+ * property including but not limited to intellectual property relating
+ * to a hardware implementation of the functionality of the software
+ * licensed hereunder. You may use the software subject to the license
+ * terms below provided that you ensure that this notice is replicated
+ * unmodified and in its entirety in all distributions of the software,
+ * modified or unmodified, in source code or in binary form.
+ *
* Copyright (c) 2001-2005 The Regents of The University of Michigan
* All rights reserved.
*
* Ali Saidi
*/
-#include <unistd.h>
#include <fcntl.h>
+#include <unistd.h>
+#include <cstdio>
#include <string>
-#include "arch/remote_gdb.hh"
-#include "base/intmath.hh"
#include "base/loader/object_file.hh"
#include "base/loader/symtab.hh"
+#include "base/intmath.hh"
#include "base/statistics.hh"
-#include "config/full_system.hh"
+#include "config/the_isa.hh"
#include "cpu/thread_context.hh"
#include "mem/page_table.hh"
-#include "mem/physical.hh"
-#include "mem/translating_port.hh"
-#include "sim/builder.hh"
+#include "mem/se_translating_port_proxy.hh"
+#include "params/LiveProcess.hh"
+#include "params/Process.hh"
+#include "sim/debug.hh"
#include "sim/process.hh"
+#include "sim/process_impl.hh"
#include "sim/stats.hh"
#include "sim/syscall_emul.hh"
#include "sim/system.hh"
-#include "arch/isa_specific.hh"
#if THE_ISA == ALPHA_ISA
#include "arch/alpha/linux/process.hh"
#include "arch/alpha/tru64/process.hh"
#include "arch/sparc/solaris/process.hh"
#elif THE_ISA == MIPS_ISA
#include "arch/mips/linux/process.hh"
+#elif THE_ISA == ARM_ISA
+#include "arch/arm/linux/process.hh"
#elif THE_ISA == X86_ISA
-//XXX There are no x86 processes yet
+#include "arch/x86/linux/process.hh"
+#elif THE_ISA == POWER_ISA
+#include "arch/power/linux/process.hh"
#else
#error "THE_ISA not set"
#endif
using namespace std;
using namespace TheISA;
-//
-// The purpose of this code is to fake the loader & syscall mechanism
-// when there's no OS: thus there's no resone to use it in FULL_SYSTEM
-// mode when we do have an OS
-//
-#if FULL_SYSTEM
-#error "process.cc not compatible with FULL_SYSTEM"
-#endif
-
// current number of allocated processes
int num_processes = 0;
-Process::Process(const string &nm,
- System *_system,
- int stdin_fd, // initial I/O descriptors
- int stdout_fd,
- int stderr_fd)
- : SimObject(nm), system(_system)
+template<class IntType>
+AuxVector<IntType>::AuxVector(IntType type, IntType val)
+{
+ a_type = TheISA::htog(type);
+ a_val = TheISA::htog(val);
+}
+
+template struct AuxVector<uint32_t>;
+template struct AuxVector<uint64_t>;
+
+Process::Process(ProcessParams * params)
+ : SimObject(params), system(params->system),
+ max_stack_size(params->max_stack_size),
+ M5_pid(system->allocatePID()),
+ pTable(new PageTable(name(), M5_pid)),
+ initVirtMem(system->getSystemPort(), this,
+ SETranslatingPortProxy::Always)
{
+ string in = params->input;
+ string out = params->output;
+ string err = params->errout;
+
+ // initialize file descriptors to default: same as simulator
+ int stdin_fd, stdout_fd, stderr_fd;
+
+ if (in == "stdin" || in == "cin")
+ stdin_fd = STDIN_FILENO;
+ else if (in == "None")
+ stdin_fd = -1;
+ else
+ stdin_fd = Process::openInputFile(in);
+
+ if (out == "stdout" || out == "cout")
+ stdout_fd = STDOUT_FILENO;
+ else if (out == "stderr" || out == "cerr")
+ stdout_fd = STDERR_FILENO;
+ else if (out == "None")
+ stdout_fd = -1;
+ else
+ stdout_fd = Process::openOutputFile(out);
+
+ if (err == "stdout" || err == "cout")
+ stderr_fd = STDOUT_FILENO;
+ else if (err == "stderr" || err == "cerr")
+ stderr_fd = STDERR_FILENO;
+ else if (err == "None")
+ stderr_fd = -1;
+ else if (err == out)
+ stderr_fd = stdout_fd;
+ else
+ stderr_fd = Process::openOutputFile(err);
+
// initialize first 3 fds (stdin, stdout, stderr)
- fd_map[STDIN_FILENO] = stdin_fd;
- fd_map[STDOUT_FILENO] = stdout_fd;
- fd_map[STDERR_FILENO] = stderr_fd;
+ Process::FdMap *fdo = &fd_map[STDIN_FILENO];
+ fdo->fd = stdin_fd;
+ fdo->filename = in;
+ fdo->flags = O_RDONLY;
+ fdo->mode = -1;
+ fdo->fileOffset = 0;
+
+ fdo = &fd_map[STDOUT_FILENO];
+ fdo->fd = stdout_fd;
+ fdo->filename = out;
+ fdo->flags = O_WRONLY | O_CREAT | O_TRUNC;
+ fdo->mode = 0774;
+ fdo->fileOffset = 0;
+
+ fdo = &fd_map[STDERR_FILENO];
+ fdo->fd = stderr_fd;
+ fdo->filename = err;
+ fdo->flags = O_WRONLY;
+ fdo->mode = -1;
+ fdo->fileOffset = 0;
+
// mark remaining fds as free
for (int i = 3; i <= MAX_FD; ++i) {
- fd_map[i] = -1;
+ fdo = &fd_map[i];
+ fdo->fd = -1;
}
mmap_start = mmap_end = 0;
nxm_start = nxm_end = 0;
- pTable = new PageTable(system);
// other parameters will be initialized when the program is loaded
}
using namespace Stats;
num_syscalls
- .name(name() + ".PROG:num_syscalls")
+ .name(name() + ".num_syscalls")
.desc("Number of system calls")
;
}
int
Process::openOutputFile(const string &filename)
{
- int fd = open(filename.c_str(), O_WRONLY | O_CREAT | O_TRUNC, 0774);
+ int fd = open(filename.c_str(), O_WRONLY | O_CREAT | O_TRUNC, 0664);
if (fd == -1) {
perror(NULL);
return fd;
}
-
-int
-Process::registerThreadContext(ThreadContext *tc)
+ThreadContext *
+Process::findFreeContext()
{
- // add to list
- int myIndex = threadContexts.size();
- threadContexts.push_back(tc);
-
- RemoteGDB *rgdb = new RemoteGDB(system, tc);
- GDBListener *gdbl = new GDBListener(rgdb, 7000 + myIndex);
- gdbl->listen();
- //gdbl->accept();
-
- remoteGDB.push_back(rgdb);
-
- // return CPU number to caller
- return myIndex;
+ int size = contextIds.size();
+ ThreadContext *tc;
+ for (int i = 0; i < size; ++i) {
+ tc = system->getThreadContext(contextIds[i]);
+ if (tc->status() == ThreadContext::Halted) {
+ // inactive context, free to use
+ return tc;
+ }
+ }
+ return NULL;
}
void
-Process::startup()
+Process::initState()
{
- if (threadContexts.empty())
- fatal("Process %s is not associated with any CPUs!\n", name());
+ if (contextIds.empty())
+ fatal("Process %s is not associated with any HW contexts!\n", name());
// first thread context for this process... initialize & enable
- ThreadContext *tc = threadContexts[0];
+ ThreadContext *tc = system->getThreadContext(contextIds[0]);
// mark this context as active so it will start ticking.
- tc->activate(0);
-
- Port *mem_port;
- mem_port = system->physmem->getPort("functional");
- initVirtMem = new TranslatingPort("process init port", pTable, true);
- mem_port->setPeer(initVirtMem);
- initVirtMem->setPeer(mem_port);
-}
-
-void
-Process::replaceThreadContext(ThreadContext *tc, int tcIndex)
-{
- if (tcIndex >= threadContexts.size()) {
- panic("replaceThreadContext: bad tcIndex, %d >= %d\n",
- tcIndex, threadContexts.size());
- }
-
- threadContexts[tcIndex] = tc;
+ tc->activate(Cycles(0));
}
// map simulator fd sim_fd to target fd tgt_fd
if (tgt_fd < 0 || tgt_fd > MAX_FD)
panic("Process::dup_fd tried to dup past MAX_FD (%d)", tgt_fd);
- fd_map[tgt_fd] = sim_fd;
+ Process::FdMap *fdo = &fd_map[tgt_fd];
+ fdo->fd = sim_fd;
}
// generate new target fd for sim_fd
int
-Process::alloc_fd(int sim_fd)
+Process::alloc_fd(int sim_fd, string filename, int flags, int mode, bool pipe)
{
// in case open() returns an error, don't allocate a new fd
if (sim_fd == -1)
return -1;
// find first free target fd
- for (int free_fd = 0; free_fd < MAX_FD; ++free_fd) {
- if (fd_map[free_fd] == -1) {
- fd_map[free_fd] = sim_fd;
+ for (int free_fd = 0; free_fd <= MAX_FD; ++free_fd) {
+ Process::FdMap *fdo = &fd_map[free_fd];
+ if (fdo->fd == -1) {
+ fdo->fd = sim_fd;
+ fdo->filename = filename;
+ fdo->mode = mode;
+ fdo->fileOffset = 0;
+ fdo->flags = flags;
+ fdo->isPipe = pipe;
+ fdo->readPipeSource = 0;
return free_fd;
}
}
void
Process::free_fd(int tgt_fd)
{
- if (fd_map[tgt_fd] == -1)
+ Process::FdMap *fdo = &fd_map[tgt_fd];
+ if (fdo->fd == -1)
warn("Process::free_fd: request to free unused fd %d", tgt_fd);
- fd_map[tgt_fd] = -1;
+ fdo->fd = -1;
+ fdo->filename = "NULL";
+ fdo->mode = 0;
+ fdo->fileOffset = 0;
+ fdo->flags = 0;
+ fdo->isPipe = false;
+ fdo->readPipeSource = 0;
}
int
Process::sim_fd(int tgt_fd)
{
- if (tgt_fd > MAX_FD)
+ if (tgt_fd < 0 || tgt_fd > MAX_FD)
return -1;
- return fd_map[tgt_fd];
+ return fd_map[tgt_fd].fd;
+}
+
+Process::FdMap *
+Process::sim_fd_obj(int tgt_fd)
+{
+ if (tgt_fd < 0 || tgt_fd > MAX_FD)
+ return NULL;
+
+ return &fd_map[tgt_fd];
+}
+
+void
+Process::allocateMem(Addr vaddr, int64_t size, bool clobber)
+{
+ int npages = divCeil(size, (int64_t)VMPageSize);
+ Addr paddr = system->allocPhysPages(npages);
+ pTable->map(vaddr, paddr, size, clobber);
+}
+
+bool
+Process::fixupStackFault(Addr vaddr)
+{
+ // Check if this is already on the stack and there's just no page there
+ // yet.
+ if (vaddr >= stack_min && vaddr < stack_base) {
+ allocateMem(roundDown(vaddr, VMPageSize), VMPageSize);
+ return true;
+ }
+
+ // We've accessed the next page of the stack, so extend it to include
+ // this address.
+ if (vaddr < stack_min && vaddr >= stack_base - max_stack_size) {
+ while (vaddr < stack_min) {
+ stack_min -= TheISA::PageBytes;
+ if (stack_base - stack_min > max_stack_size)
+ fatal("Maximum stack size exceeded\n");
+ allocateMem(stack_min, TheISA::PageBytes);
+ inform("Increasing stack size by one page.");
+ };
+ return true;
+ }
+ return false;
+}
+
+// find all offsets for currently open files and save them
+void
+Process::fix_file_offsets()
+{
+ Process::FdMap *fdo_stdin = &fd_map[STDIN_FILENO];
+ Process::FdMap *fdo_stdout = &fd_map[STDOUT_FILENO];
+ Process::FdMap *fdo_stderr = &fd_map[STDERR_FILENO];
+ string in = fdo_stdin->filename;
+ string out = fdo_stdout->filename;
+ string err = fdo_stderr->filename;
+
+ // initialize file descriptors to default: same as simulator
+ int stdin_fd, stdout_fd, stderr_fd;
+
+ if (in == "stdin" || in == "cin")
+ stdin_fd = STDIN_FILENO;
+ else if (in == "None")
+ stdin_fd = -1;
+ else {
+ // open standard in and seek to the right location
+ stdin_fd = Process::openInputFile(in);
+ if (lseek(stdin_fd, fdo_stdin->fileOffset, SEEK_SET) < 0)
+ panic("Unable to seek to correct location in file: %s", in);
+ }
+
+ if (out == "stdout" || out == "cout")
+ stdout_fd = STDOUT_FILENO;
+ else if (out == "stderr" || out == "cerr")
+ stdout_fd = STDERR_FILENO;
+ else if (out == "None")
+ stdout_fd = -1;
+ else {
+ stdout_fd = Process::openOutputFile(out);
+ if (lseek(stdout_fd, fdo_stdout->fileOffset, SEEK_SET) < 0)
+ panic("Unable to seek to correct location in file: %s", out);
+ }
+
+ if (err == "stdout" || err == "cout")
+ stderr_fd = STDOUT_FILENO;
+ else if (err == "stderr" || err == "cerr")
+ stderr_fd = STDERR_FILENO;
+ else if (err == "None")
+ stderr_fd = -1;
+ else if (err == out)
+ stderr_fd = stdout_fd;
+ else {
+ stderr_fd = Process::openOutputFile(err);
+ if (lseek(stderr_fd, fdo_stderr->fileOffset, SEEK_SET) < 0)
+ panic("Unable to seek to correct location in file: %s", err);
+ }
+
+ fdo_stdin->fd = stdin_fd;
+ fdo_stdout->fd = stdout_fd;
+ fdo_stderr->fd = stderr_fd;
+
+
+ for (int free_fd = 3; free_fd <= MAX_FD; ++free_fd) {
+ Process::FdMap *fdo = &fd_map[free_fd];
+ if (fdo->fd != -1) {
+ if (fdo->isPipe){
+ if (fdo->filename == "PIPE-WRITE")
+ continue;
+ else {
+ assert (fdo->filename == "PIPE-READ");
+ //create a new pipe
+ int fds[2];
+ int pipe_retval = pipe(fds);
+
+ if (pipe_retval < 0) {
+ // error
+ panic("Unable to create new pipe.");
+ }
+ fdo->fd = fds[0]; //set read pipe
+ Process::FdMap *fdo_write = &fd_map[fdo->readPipeSource];
+ if (fdo_write->filename != "PIPE-WRITE")
+ panic ("Couldn't find write end of the pipe");
+
+ fdo_write->fd = fds[1];//set write pipe
+ }
+ } else {
+ //Open file
+ int fd = open(fdo->filename.c_str(), fdo->flags, fdo->mode);
+
+ if (fd == -1)
+ panic("Unable to open file: %s", fdo->filename);
+ fdo->fd = fd;
+
+ //Seek to correct location before checkpoint
+ if (lseek(fd,fdo->fileOffset, SEEK_SET) < 0)
+ panic("Unable to seek to correct location in file: %s",
+ fdo->filename);
+ }
+ }
+ }
+}
+
+void
+Process::find_file_offsets()
+{
+ for (int free_fd = 0; free_fd <= MAX_FD; ++free_fd) {
+ Process::FdMap *fdo = &fd_map[free_fd];
+ if (fdo->fd != -1) {
+ fdo->fileOffset = lseek(fdo->fd, 0, SEEK_CUR);
+ } else {
+ fdo->filename = "NULL";
+ fdo->fileOffset = 0;
+ }
+ }
+}
+
+void
+Process::setReadPipeSource(int read_pipe_fd, int source_fd)
+{
+ Process::FdMap *fdo = &fd_map[read_pipe_fd];
+ fdo->readPipeSource = source_fd;
+}
+
+void
+Process::FdMap::serialize(std::ostream &os)
+{
+ SERIALIZE_SCALAR(fd);
+ SERIALIZE_SCALAR(isPipe);
+ SERIALIZE_SCALAR(filename);
+ SERIALIZE_SCALAR(flags);
+ SERIALIZE_SCALAR(readPipeSource);
+ SERIALIZE_SCALAR(fileOffset);
+}
+
+void
+Process::FdMap::unserialize(Checkpoint *cp, const std::string §ion)
+{
+ UNSERIALIZE_SCALAR(fd);
+ UNSERIALIZE_SCALAR(isPipe);
+ UNSERIALIZE_SCALAR(filename);
+ UNSERIALIZE_SCALAR(flags);
+ UNSERIALIZE_SCALAR(readPipeSource);
+ UNSERIALIZE_SCALAR(fileOffset);
}
void
Process::serialize(std::ostream &os)
{
- SERIALIZE_SCALAR(initialContextLoaded);
SERIALIZE_SCALAR(brk_point);
SERIALIZE_SCALAR(stack_base);
SERIALIZE_SCALAR(stack_size);
SERIALIZE_SCALAR(mmap_end);
SERIALIZE_SCALAR(nxm_start);
SERIALIZE_SCALAR(nxm_end);
- SERIALIZE_ARRAY(fd_map, MAX_FD);
-
+ find_file_offsets();
pTable->serialize(os);
+ for (int x = 0; x <= MAX_FD; x++) {
+ nameOut(os, csprintf("%s.FdMap%d", name(), x));
+ fd_map[x].serialize(os);
+ }
+ SERIALIZE_SCALAR(M5_pid);
+
}
void
Process::unserialize(Checkpoint *cp, const std::string §ion)
{
- UNSERIALIZE_SCALAR(initialContextLoaded);
UNSERIALIZE_SCALAR(brk_point);
UNSERIALIZE_SCALAR(stack_base);
UNSERIALIZE_SCALAR(stack_size);
UNSERIALIZE_SCALAR(mmap_end);
UNSERIALIZE_SCALAR(nxm_start);
UNSERIALIZE_SCALAR(nxm_end);
- UNSERIALIZE_ARRAY(fd_map, MAX_FD);
-
pTable->unserialize(cp, section);
+ for (int x = 0; x <= MAX_FD; x++) {
+ fd_map[x].unserialize(cp, csprintf("%s.FdMap%d", section, x));
+ }
+ fix_file_offsets();
+ UNSERIALIZE_OPT_SCALAR(M5_pid);
+ // The above returns a bool so that you could do something if you don't
+ // find the param in the checkpoint if you wanted to, like set a default
+ // but in this case we'll just stick with the instantianted value if not
+ // found.
}
-//
-// need to declare these here since there is no concrete Process type
-// that can be constructed (i.e., no REGISTER_SIM_OBJECT() macro call,
-// which is where these get declared for concrete types).
-//
-DEFINE_SIM_OBJECT_CLASS_NAME("Process", Process)
+bool
+Process::map(Addr vaddr, Addr paddr, int size)
+{
+ pTable->map(vaddr, paddr, size);
+ return true;
+}
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
-LiveProcess::LiveProcess(const string &nm, ObjectFile *_objFile,
- System *_system,
- int stdin_fd, int stdout_fd, int stderr_fd,
- vector<string> &_argv, vector<string> &_envp,
- const string &_cwd,
- uint64_t _uid, uint64_t _euid,
- uint64_t _gid, uint64_t _egid,
- uint64_t _pid, uint64_t _ppid)
- : Process(nm, _system, stdin_fd, stdout_fd, stderr_fd),
- objFile(_objFile), argv(_argv), envp(_envp), cwd(_cwd)
+LiveProcess::LiveProcess(LiveProcessParams * params, ObjectFile *_objFile)
+ : Process(params), objFile(_objFile),
+ argv(params->cmd), envp(params->env), cwd(params->cwd)
{
- __uid = _uid;
- __euid = _euid;
- __gid = _gid;
- __egid = _egid;
- __pid = _pid;
- __ppid = _ppid;
-
- prog_fname = argv[0];
+ __uid = params->uid;
+ __euid = params->euid;
+ __gid = params->gid;
+ __egid = params->egid;
+ __pid = params->pid;
+ __ppid = params->ppid;
// load up symbols, if any... these may be used for debugging or
// profiling.
if (!debugSymbolTable) {
debugSymbolTable = new SymbolTable();
if (!objFile->loadGlobalSymbols(debugSymbolTable) ||
- !objFile->loadLocalSymbols(debugSymbolTable)) {
+ !objFile->loadLocalSymbols(debugSymbolTable) ||
+ !objFile->loadWeakSymbols(debugSymbolTable)) {
// didn't load any symbols
delete debugSymbolTable;
debugSymbolTable = NULL;
}
}
-void
-LiveProcess::argsInit(int intSize, int pageSize)
-{
- Process::startup();
-
- // load object file into target memory
- objFile->loadSections(initVirtMem);
-
- // Calculate how much space we need for arg & env arrays.
- int argv_array_size = intSize * (argv.size() + 1);
- int envp_array_size = intSize * (envp.size() + 1);
- int arg_data_size = 0;
- for (int i = 0; i < argv.size(); ++i) {
- arg_data_size += argv[i].size() + 1;
- }
- int env_data_size = 0;
- for (int i = 0; i < envp.size(); ++i) {
- env_data_size += envp[i].size() + 1;
- }
-
- int space_needed =
- argv_array_size + envp_array_size + arg_data_size + env_data_size;
- if (space_needed < 32*1024)
- space_needed = 32*1024;
-
- // set bottom of stack
- stack_min = stack_base - space_needed;
- // align it
- stack_min = roundDown(stack_min, pageSize);
- stack_size = stack_base - stack_min;
- // map memory
- pTable->allocate(stack_min, roundUp(stack_size, pageSize));
-
- // map out initial stack contents
- Addr argv_array_base = stack_min + intSize; // room for argc
- Addr envp_array_base = argv_array_base + argv_array_size;
- Addr arg_data_base = envp_array_base + envp_array_size;
- Addr env_data_base = arg_data_base + arg_data_size;
-
- // write contents to stack
- uint64_t argc = argv.size();
- if (intSize == 8)
- argc = htog((uint64_t)argc);
- else if (intSize == 4)
- argc = htog((uint32_t)argc);
- else
- panic("Unknown int size");
-
- initVirtMem->writeBlob(stack_min, (uint8_t*)&argc, intSize);
-
- copyStringArray(argv, argv_array_base, arg_data_base, initVirtMem);
- copyStringArray(envp, envp_array_base, env_data_base, initVirtMem);
-
- threadContexts[0]->setIntReg(ArgumentReg0, argc);
- threadContexts[0]->setIntReg(ArgumentReg1, argv_array_base);
- threadContexts[0]->setIntReg(StackPointerReg, stack_min);
-
- Addr prog_entry = objFile->entryPoint();
- threadContexts[0]->setPC(prog_entry);
- threadContexts[0]->setNextPC(prog_entry + sizeof(MachInst));
-
-#if THE_ISA != ALPHA_ISA //e.g. MIPS or Sparc
- threadContexts[0]->setNextNPC(prog_entry + (2 * sizeof(MachInst)));
-#endif
-
- num_processes++;
-}
-
void
LiveProcess::syscall(int64_t callnum, ThreadContext *tc)
{
desc->doSyscall(callnum, this, tc);
}
+IntReg
+LiveProcess::getSyscallArg(ThreadContext *tc, int &i, int width)
+{
+ return getSyscallArg(tc, i);
+}
+
LiveProcess *
-LiveProcess::create(const std::string &nm, System *system, int stdin_fd,
- int stdout_fd, int stderr_fd, std::string executable,
- std::vector<std::string> &argv,
- std::vector<std::string> &envp,
- const std::string &cwd,
- uint64_t _uid, uint64_t _euid,
- uint64_t _gid, uint64_t _egid,
- uint64_t _pid, uint64_t _ppid)
+LiveProcess::create(LiveProcessParams * params)
{
LiveProcess *process = NULL;
+ string executable =
+ params->executable == "" ? params->cmd[0] : params->executable;
ObjectFile *objFile = createObjectFile(executable);
if (objFile == NULL) {
fatal("Can't load object file %s", executable);
if (objFile->isDynamic())
fatal("Object file is a dynamic executable however only static "
- "executables are supported!\n Please recompile your "
+ "executables are supported!\n Please recompile your "
"executable as a static binary and try again.\n");
#if THE_ISA == ALPHA_ISA
if (objFile->getArch() != ObjectFile::Alpha)
fatal("Object file architecture does not match compiled ISA (Alpha).");
+
switch (objFile->getOpSys()) {
case ObjectFile::Tru64:
- process = new AlphaTru64Process(nm, objFile, system,
- stdin_fd, stdout_fd, stderr_fd,
- argv, envp, cwd,
- _uid, _euid, _gid, _egid, _pid, _ppid);
+ process = new AlphaTru64Process(params, objFile);
break;
+ case ObjectFile::UnknownOpSys:
+ warn("Unknown operating system; assuming Linux.");
+ // fall through
case ObjectFile::Linux:
- process = new AlphaLinuxProcess(nm, objFile, system,
- stdin_fd, stdout_fd, stderr_fd,
- argv, envp, cwd,
- _uid, _euid, _gid, _egid, _pid, _ppid);
+ process = new AlphaLinuxProcess(params, objFile);
break;
default:
fatal("Unknown/unsupported operating system.");
}
#elif THE_ISA == SPARC_ISA
- if (objFile->getArch() != ObjectFile::SPARC64 && objFile->getArch() != ObjectFile::SPARC32)
+ if (objFile->getArch() != ObjectFile::SPARC64 &&
+ objFile->getArch() != ObjectFile::SPARC32)
fatal("Object file architecture does not match compiled ISA (SPARC).");
switch (objFile->getOpSys()) {
+ case ObjectFile::UnknownOpSys:
+ warn("Unknown operating system; assuming Linux.");
+ // fall through
case ObjectFile::Linux:
if (objFile->getArch() == ObjectFile::SPARC64) {
- process = new Sparc64LinuxProcess(nm, objFile, system,
- stdin_fd, stdout_fd, stderr_fd,
- argv, envp, cwd,
- _uid, _euid, _gid,
- _egid, _pid, _ppid);
+ process = new Sparc64LinuxProcess(params, objFile);
} else {
- process = new Sparc32LinuxProcess(nm, objFile, system,
- stdin_fd, stdout_fd, stderr_fd,
- argv, envp, cwd,
- _uid, _euid, _gid,
- _egid, _pid, _ppid);
+ process = new Sparc32LinuxProcess(params, objFile);
}
break;
case ObjectFile::Solaris:
- process = new SparcSolarisProcess(nm, objFile, system,
- stdin_fd, stdout_fd, stderr_fd,
- argv, envp, cwd,
- _uid, _euid, _gid, _egid, _pid, _ppid);
+ process = new SparcSolarisProcess(params, objFile);
break;
+
default:
fatal("Unknown/unsupported operating system.");
}
#elif THE_ISA == X86_ISA
- if (objFile->getArch() != ObjectFile::X86)
- fatal("Object file architecture does not match compiled ISA (SPARC).");
- panic("There are no implemented x86 processes!\n");
+ if (objFile->getArch() != ObjectFile::X86_64 &&
+ objFile->getArch() != ObjectFile::I386)
+ fatal("Object file architecture does not match compiled ISA (x86).");
switch (objFile->getOpSys()) {
- /*case ObjectFile::Linux:
- process = new X86LinuxProcess(nm, objFile, system,
- stdin_fd, stdout_fd, stderr_fd,
- argv, envp, cwd,
- _uid, _euid, _gid,
- _egid, _pid, _ppid);*/
+ case ObjectFile::UnknownOpSys:
+ warn("Unknown operating system; assuming Linux.");
+ // fall through
+ case ObjectFile::Linux:
+ if (objFile->getArch() == ObjectFile::X86_64) {
+ process = new X86_64LinuxProcess(params, objFile);
+ } else {
+ process = new I386LinuxProcess(params, objFile);
+ }
+ break;
+
default:
fatal("Unknown/unsupported operating system.");
}
if (objFile->getArch() != ObjectFile::Mips)
fatal("Object file architecture does not match compiled ISA (MIPS).");
switch (objFile->getOpSys()) {
+ case ObjectFile::UnknownOpSys:
+ warn("Unknown operating system; assuming Linux.");
+ // fall through
case ObjectFile::Linux:
- process = new MipsLinuxProcess(nm, objFile, system,
- stdin_fd, stdout_fd, stderr_fd,
- argv, envp, cwd,
- _uid, _euid, _gid, _egid, _pid, _ppid);
+ process = new MipsLinuxProcess(params, objFile);
+ break;
+
+ default:
+ fatal("Unknown/unsupported operating system.");
+ }
+#elif THE_ISA == ARM_ISA
+ ObjectFile::Arch arch = objFile->getArch();
+ if (arch != ObjectFile::Arm && arch != ObjectFile::Thumb &&
+ arch != ObjectFile::Arm64)
+ fatal("Object file architecture does not match compiled ISA (ARM).");
+ switch (objFile->getOpSys()) {
+ case ObjectFile::UnknownOpSys:
+ warn("Unknown operating system; assuming Linux.");
+ // fall through
+ case ObjectFile::Linux:
+ if (arch == ObjectFile::Arm64) {
+ process = new ArmLinuxProcess64(params, objFile,
+ objFile->getArch());
+ } else {
+ process = new ArmLinuxProcess32(params, objFile,
+ objFile->getArch());
+ }
+ break;
+ case ObjectFile::LinuxArmOABI:
+ fatal("M5 does not support ARM OABI binaries. Please recompile with an"
+ " EABI compiler.");
+ default:
+ fatal("Unknown/unsupported operating system.");
+ }
+#elif THE_ISA == POWER_ISA
+ if (objFile->getArch() != ObjectFile::Power)
+ fatal("Object file architecture does not match compiled ISA (Power).");
+ switch (objFile->getOpSys()) {
+ case ObjectFile::UnknownOpSys:
+ warn("Unknown operating system; assuming Linux.");
+ // fall through
+ case ObjectFile::Linux:
+ process = new PowerLinuxProcess(params, objFile);
break;
default:
#error "THE_ISA not set"
#endif
-
if (process == NULL)
fatal("Unknown error creating process object.");
return process;
}
-
-BEGIN_DECLARE_SIM_OBJECT_PARAMS(LiveProcess)
-
- VectorParam<string> cmd;
- Param<string> executable;
- Param<string> input;
- Param<string> output;
- VectorParam<string> env;
- Param<string> cwd;
- SimObjectParam<System *> system;
- Param<uint64_t> uid;
- Param<uint64_t> euid;
- Param<uint64_t> gid;
- Param<uint64_t> egid;
- Param<uint64_t> pid;
- Param<uint64_t> ppid;
-
-END_DECLARE_SIM_OBJECT_PARAMS(LiveProcess)
-
-
-BEGIN_INIT_SIM_OBJECT_PARAMS(LiveProcess)
-
- INIT_PARAM(cmd, "command line (executable plus arguments)"),
- INIT_PARAM(executable, "executable (overrides cmd[0] if set)"),
- INIT_PARAM(input, "filename for stdin (dflt: use sim stdin)"),
- INIT_PARAM(output, "filename for stdout/stderr (dflt: use sim stdout)"),
- INIT_PARAM(env, "environment settings"),
- INIT_PARAM(cwd, "current working directory"),
- INIT_PARAM(system, "system"),
- INIT_PARAM(uid, "user id"),
- INIT_PARAM(euid, "effective user id"),
- INIT_PARAM(gid, "group id"),
- INIT_PARAM(egid, "effective group id"),
- INIT_PARAM(pid, "process id"),
- INIT_PARAM(ppid, "parent process id")
-
-END_INIT_SIM_OBJECT_PARAMS(LiveProcess)
-
-
-CREATE_SIM_OBJECT(LiveProcess)
+LiveProcess *
+LiveProcessParams::create()
{
- string in = input;
- string out = output;
-
- // initialize file descriptors to default: same as simulator
- int stdin_fd, stdout_fd, stderr_fd;
-
- if (in == "stdin" || in == "cin")
- stdin_fd = STDIN_FILENO;
- else
- stdin_fd = Process::openInputFile(input);
-
- if (out == "stdout" || out == "cout")
- stdout_fd = STDOUT_FILENO;
- else if (out == "stderr" || out == "cerr")
- stdout_fd = STDERR_FILENO;
- else
- stdout_fd = Process::openOutputFile(out);
-
- stderr_fd = (stdout_fd != STDOUT_FILENO) ? stdout_fd : STDERR_FILENO;
-
- return LiveProcess::create(getInstanceName(), system,
- stdin_fd, stdout_fd, stderr_fd,
- (string)executable == "" ? cmd[0] : executable,
- cmd, env, cwd,
- uid, euid, gid, egid, pid, ppid);
+ return LiveProcess::create(this);
}
-
-
-REGISTER_SIM_OBJECT("LiveProcess", LiveProcess)
projects / gem5.git / blobdiff