65#else
66#error "THE_ISA not set"
67#endif
68
69
70using namespace std;
71using namespace TheISA;
72
73//
74// The purpose of this code is to fake the loader & syscall mechanism
75// when there's no OS: thus there's no resone to use it in FULL_SYSTEM
76// mode when we do have an OS
77//
78#if FULL_SYSTEM
79#error "process.cc not compatible with FULL_SYSTEM"
80#endif
81
82// current number of allocated processes
83int num_processes = 0;
84
85Process::Process(const string &nm,
86 System *_system,
87 int stdin_fd, // initial I/O descriptors
88 int stdout_fd,
89 int stderr_fd)
90 : SimObject(nm), system(_system)
91{
92 // initialize first 3 fds (stdin, stdout, stderr)
93 fd_map[STDIN_FILENO] = stdin_fd;
94 fd_map[STDOUT_FILENO] = stdout_fd;
95 fd_map[STDERR_FILENO] = stderr_fd;
96
97 // mark remaining fds as free
98 for (int i = 3; i <= MAX_FD; ++i) {
99 fd_map[i] = -1;
100 }
101
102 mmap_start = mmap_end = 0;
103 nxm_start = nxm_end = 0;
104 pTable = new PageTable(system);
105 // other parameters will be initialized when the program is loaded
106}
107
108
109void
110Process::regStats()
111{
112 using namespace Stats;
113
114 num_syscalls
115 .name(name() + ".PROG:num_syscalls")
116 .desc("Number of system calls")
117 ;
118}
119
120//
121// static helper functions
122//
123int
124Process::openInputFile(const string &filename)
125{
126 int fd = open(filename.c_str(), O_RDONLY);
127
128 if (fd == -1) {
129 perror(NULL);
130 cerr << "unable to open \"" << filename << "\" for reading\n";
131 fatal("can't open input file");
132 }
133
134 return fd;
135}
136
137
138int
139Process::openOutputFile(const string &filename)
140{
141 int fd = open(filename.c_str(), O_WRONLY | O_CREAT | O_TRUNC, 0774);
142
143 if (fd == -1) {
144 perror(NULL);
145 cerr << "unable to open \"" << filename << "\" for writing\n";
146 fatal("can't open output file");
147 }
148
149 return fd;
150}
151
152
153int
154Process::registerThreadContext(ThreadContext *tc)
155{
156 // add to list
157 int myIndex = threadContexts.size();
158 threadContexts.push_back(tc);
159
160 RemoteGDB *rgdb = new RemoteGDB(system, tc);
161 GDBListener *gdbl = new GDBListener(rgdb, 7000 + myIndex);
162 gdbl->listen();
163 //gdbl->accept();
164
165 remoteGDB.push_back(rgdb);
166
167 // return CPU number to caller
168 return myIndex;
169}
170
171void
172Process::startup()
173{
174 if (threadContexts.empty())
175 fatal("Process %s is not associated with any CPUs!\n", name());
176
177 // first thread context for this process... initialize & enable
178 ThreadContext *tc = threadContexts[0];
179
180 // mark this context as active so it will start ticking.
181 tc->activate(0);
182
183 Port *mem_port;
184 mem_port = system->physmem->getPort("functional");
185 initVirtMem = new TranslatingPort("process init port", pTable, true);
186 mem_port->setPeer(initVirtMem);
187 initVirtMem->setPeer(mem_port);
188}
189
190void
191Process::replaceThreadContext(ThreadContext *tc, int tcIndex)
192{
193 if (tcIndex >= threadContexts.size()) {
194 panic("replaceThreadContext: bad tcIndex, %d >= %d\n",
195 tcIndex, threadContexts.size());
196 }
197
198 threadContexts[tcIndex] = tc;
199}
200
201// map simulator fd sim_fd to target fd tgt_fd
202void
203Process::dup_fd(int sim_fd, int tgt_fd)
204{
205 if (tgt_fd < 0 || tgt_fd > MAX_FD)
206 panic("Process::dup_fd tried to dup past MAX_FD (%d)", tgt_fd);
207
208 fd_map[tgt_fd] = sim_fd;
209}
210
211
212// generate new target fd for sim_fd
213int
214Process::alloc_fd(int sim_fd)
215{
216 // in case open() returns an error, don't allocate a new fd
217 if (sim_fd == -1)
218 return -1;
219
220 // find first free target fd
221 for (int free_fd = 0; free_fd < MAX_FD; ++free_fd) {
222 if (fd_map[free_fd] == -1) {
223 fd_map[free_fd] = sim_fd;
224 return free_fd;
225 }
226 }
227
228 panic("Process::alloc_fd: out of file descriptors!");
229}
230
231
232// free target fd (e.g., after close)
233void
234Process::free_fd(int tgt_fd)
235{
236 if (fd_map[tgt_fd] == -1)
237 warn("Process::free_fd: request to free unused fd %d", tgt_fd);
238
239 fd_map[tgt_fd] = -1;
240}
241
242
243// look up simulator fd for given target fd
244int
245Process::sim_fd(int tgt_fd)
246{
247 if (tgt_fd > MAX_FD)
248 return -1;
249
250 return fd_map[tgt_fd];
251}
252
253void
254Process::serialize(std::ostream &os)
255{
256 SERIALIZE_SCALAR(initialContextLoaded);
257 SERIALIZE_SCALAR(brk_point);
258 SERIALIZE_SCALAR(stack_base);
259 SERIALIZE_SCALAR(stack_size);
260 SERIALIZE_SCALAR(stack_min);
261 SERIALIZE_SCALAR(next_thread_stack_base);
262 SERIALIZE_SCALAR(mmap_start);
263 SERIALIZE_SCALAR(mmap_end);
264 SERIALIZE_SCALAR(nxm_start);
265 SERIALIZE_SCALAR(nxm_end);
266 SERIALIZE_ARRAY(fd_map, MAX_FD);
267
268 pTable->serialize(os);
269}
270
271void
272Process::unserialize(Checkpoint *cp, const std::string §ion)
273{
274 UNSERIALIZE_SCALAR(initialContextLoaded);
275 UNSERIALIZE_SCALAR(brk_point);
276 UNSERIALIZE_SCALAR(stack_base);
277 UNSERIALIZE_SCALAR(stack_size);
278 UNSERIALIZE_SCALAR(stack_min);
279 UNSERIALIZE_SCALAR(next_thread_stack_base);
280 UNSERIALIZE_SCALAR(mmap_start);
281 UNSERIALIZE_SCALAR(mmap_end);
282 UNSERIALIZE_SCALAR(nxm_start);
283 UNSERIALIZE_SCALAR(nxm_end);
284 UNSERIALIZE_ARRAY(fd_map, MAX_FD);
285
286 pTable->unserialize(cp, section);
287}
288
289
290//
291// need to declare these here since there is no concrete Process type
292// that can be constructed (i.e., no REGISTER_SIM_OBJECT() macro call,
293// which is where these get declared for concrete types).
294//
295DEFINE_SIM_OBJECT_CLASS_NAME("Process", Process)
296
297
298////////////////////////////////////////////////////////////////////////
299//
300// LiveProcess member definitions
301//
302////////////////////////////////////////////////////////////////////////
303
304
305LiveProcess::LiveProcess(const string &nm, ObjectFile *_objFile,
306 System *_system,
307 int stdin_fd, int stdout_fd, int stderr_fd,
308 vector<string> &_argv, vector<string> &_envp,
309 const string &_cwd,
310 uint64_t _uid, uint64_t _euid,
311 uint64_t _gid, uint64_t _egid,
312 uint64_t _pid, uint64_t _ppid)
313 : Process(nm, _system, stdin_fd, stdout_fd, stderr_fd),
314 objFile(_objFile), argv(_argv), envp(_envp), cwd(_cwd)
315{
316 __uid = _uid;
317 __euid = _euid;
318 __gid = _gid;
319 __egid = _egid;
320 __pid = _pid;
321 __ppid = _ppid;
322
323 prog_fname = argv[0];
324
325 // load up symbols, if any... these may be used for debugging or
326 // profiling.
327 if (!debugSymbolTable) {
328 debugSymbolTable = new SymbolTable();
329 if (!objFile->loadGlobalSymbols(debugSymbolTable) ||
330 !objFile->loadLocalSymbols(debugSymbolTable)) {
331 // didn't load any symbols
332 delete debugSymbolTable;
333 debugSymbolTable = NULL;
334 }
335 }
336}
337
338void
339LiveProcess::argsInit(int intSize, int pageSize)
340{
341 Process::startup();
342
343 // load object file into target memory
344 objFile->loadSections(initVirtMem);
345
346 // Calculate how much space we need for arg & env arrays.
347 int argv_array_size = intSize * (argv.size() + 1);
348 int envp_array_size = intSize * (envp.size() + 1);
349 int arg_data_size = 0;
350 for (int i = 0; i < argv.size(); ++i) {
351 arg_data_size += argv[i].size() + 1;
352 }
353 int env_data_size = 0;
354 for (int i = 0; i < envp.size(); ++i) {
355 env_data_size += envp[i].size() + 1;
356 }
357
358 int space_needed =
359 argv_array_size + envp_array_size + arg_data_size + env_data_size;
360 if (space_needed < 32*1024)
361 space_needed = 32*1024;
362
363 // set bottom of stack
364 stack_min = stack_base - space_needed;
365 // align it
366 stack_min = roundDown(stack_min, pageSize);
367 stack_size = stack_base - stack_min;
368 // map memory
369 pTable->allocate(stack_min, roundUp(stack_size, pageSize));
370
371 // map out initial stack contents
372 Addr argv_array_base = stack_min + intSize; // room for argc
373 Addr envp_array_base = argv_array_base + argv_array_size;
374 Addr arg_data_base = envp_array_base + envp_array_size;
375 Addr env_data_base = arg_data_base + arg_data_size;
376
377 // write contents to stack
378 uint64_t argc = argv.size();
379 if (intSize == 8)
380 argc = htog((uint64_t)argc);
381 else if (intSize == 4)
382 argc = htog((uint32_t)argc);
383 else
384 panic("Unknown int size");
385
386 initVirtMem->writeBlob(stack_min, (uint8_t*)&argc, intSize);
387
388 copyStringArray(argv, argv_array_base, arg_data_base, initVirtMem);
389 copyStringArray(envp, envp_array_base, env_data_base, initVirtMem);
390
391 threadContexts[0]->setIntReg(ArgumentReg0, argc);
392 threadContexts[0]->setIntReg(ArgumentReg1, argv_array_base);
393 threadContexts[0]->setIntReg(StackPointerReg, stack_min);
394
395 Addr prog_entry = objFile->entryPoint();
396 threadContexts[0]->setPC(prog_entry);
397 threadContexts[0]->setNextPC(prog_entry + sizeof(MachInst));
398
399#if THE_ISA != ALPHA_ISA //e.g. MIPS or Sparc
400 threadContexts[0]->setNextNPC(prog_entry + (2 * sizeof(MachInst)));
401#endif
402
403 num_processes++;
404}
405
406void
407LiveProcess::syscall(int64_t callnum, ThreadContext *tc)
408{
409 num_syscalls++;
410
411 SyscallDesc *desc = getDesc(callnum);
412 if (desc == NULL)
413 fatal("Syscall %d out of range", callnum);
414
415 desc->doSyscall(callnum, this, tc);
416}
417
418LiveProcess *
419LiveProcess::create(const std::string &nm, System *system, int stdin_fd,
420 int stdout_fd, int stderr_fd, std::string executable,
421 std::vector<std::string> &argv,
422 std::vector<std::string> &envp,
423 const std::string &cwd,
424 uint64_t _uid, uint64_t _euid,
425 uint64_t _gid, uint64_t _egid,
426 uint64_t _pid, uint64_t _ppid)
427{
428 LiveProcess *process = NULL;
429
430 ObjectFile *objFile = createObjectFile(executable);
431 if (objFile == NULL) {
432 fatal("Can't load object file %s", executable);
433 }
434
435 if (objFile->isDynamic())
436 fatal("Object file is a dynamic executable however only static "
437 "executables are supported!\n Please recompile your "
438 "executable as a static binary and try again.\n");
439
440#if THE_ISA == ALPHA_ISA
441 if (objFile->getArch() != ObjectFile::Alpha)
442 fatal("Object file architecture does not match compiled ISA (Alpha).");
443 switch (objFile->getOpSys()) {
444 case ObjectFile::Tru64:
445 process = new AlphaTru64Process(nm, objFile, system,
446 stdin_fd, stdout_fd, stderr_fd,
447 argv, envp, cwd,
448 _uid, _euid, _gid, _egid, _pid, _ppid);
449 break;
450
451 case ObjectFile::Linux:
452 process = new AlphaLinuxProcess(nm, objFile, system,
453 stdin_fd, stdout_fd, stderr_fd,
454 argv, envp, cwd,
455 _uid, _euid, _gid, _egid, _pid, _ppid);
456 break;
457
458 default:
459 fatal("Unknown/unsupported operating system.");
460 }
461#elif THE_ISA == SPARC_ISA
462 if (objFile->getArch() != ObjectFile::SPARC64 && objFile->getArch() != ObjectFile::SPARC32)
463 fatal("Object file architecture does not match compiled ISA (SPARC).");
464 switch (objFile->getOpSys()) {
465 case ObjectFile::Linux:
466 if (objFile->getArch() == ObjectFile::SPARC64) {
467 process = new Sparc64LinuxProcess(nm, objFile, system,
468 stdin_fd, stdout_fd, stderr_fd,
469 argv, envp, cwd,
470 _uid, _euid, _gid,
471 _egid, _pid, _ppid);
472 } else {
473 process = new Sparc32LinuxProcess(nm, objFile, system,
474 stdin_fd, stdout_fd, stderr_fd,
475 argv, envp, cwd,
476 _uid, _euid, _gid,
477 _egid, _pid, _ppid);
478 }
479 break;
480
481
482 case ObjectFile::Solaris:
483 process = new SparcSolarisProcess(nm, objFile, system,
484 stdin_fd, stdout_fd, stderr_fd,
485 argv, envp, cwd,
486 _uid, _euid, _gid, _egid, _pid, _ppid);
487 break;
488 default:
489 fatal("Unknown/unsupported operating system.");
490 }
491#elif THE_ISA == X86_ISA
492 if (objFile->getArch() != ObjectFile::X86)
| 65#else
66#error "THE_ISA not set"
67#endif
68
69
70using namespace std;
71using namespace TheISA;
72
73//
74// The purpose of this code is to fake the loader & syscall mechanism
75// when there's no OS: thus there's no resone to use it in FULL_SYSTEM
76// mode when we do have an OS
77//
78#if FULL_SYSTEM
79#error "process.cc not compatible with FULL_SYSTEM"
80#endif
81
82// current number of allocated processes
83int num_processes = 0;
84
85Process::Process(const string &nm,
86 System *_system,
87 int stdin_fd, // initial I/O descriptors
88 int stdout_fd,
89 int stderr_fd)
90 : SimObject(nm), system(_system)
91{
92 // initialize first 3 fds (stdin, stdout, stderr)
93 fd_map[STDIN_FILENO] = stdin_fd;
94 fd_map[STDOUT_FILENO] = stdout_fd;
95 fd_map[STDERR_FILENO] = stderr_fd;
96
97 // mark remaining fds as free
98 for (int i = 3; i <= MAX_FD; ++i) {
99 fd_map[i] = -1;
100 }
101
102 mmap_start = mmap_end = 0;
103 nxm_start = nxm_end = 0;
104 pTable = new PageTable(system);
105 // other parameters will be initialized when the program is loaded
106}
107
108
109void
110Process::regStats()
111{
112 using namespace Stats;
113
114 num_syscalls
115 .name(name() + ".PROG:num_syscalls")
116 .desc("Number of system calls")
117 ;
118}
119
120//
121// static helper functions
122//
123int
124Process::openInputFile(const string &filename)
125{
126 int fd = open(filename.c_str(), O_RDONLY);
127
128 if (fd == -1) {
129 perror(NULL);
130 cerr << "unable to open \"" << filename << "\" for reading\n";
131 fatal("can't open input file");
132 }
133
134 return fd;
135}
136
137
138int
139Process::openOutputFile(const string &filename)
140{
141 int fd = open(filename.c_str(), O_WRONLY | O_CREAT | O_TRUNC, 0774);
142
143 if (fd == -1) {
144 perror(NULL);
145 cerr << "unable to open \"" << filename << "\" for writing\n";
146 fatal("can't open output file");
147 }
148
149 return fd;
150}
151
152
153int
154Process::registerThreadContext(ThreadContext *tc)
155{
156 // add to list
157 int myIndex = threadContexts.size();
158 threadContexts.push_back(tc);
159
160 RemoteGDB *rgdb = new RemoteGDB(system, tc);
161 GDBListener *gdbl = new GDBListener(rgdb, 7000 + myIndex);
162 gdbl->listen();
163 //gdbl->accept();
164
165 remoteGDB.push_back(rgdb);
166
167 // return CPU number to caller
168 return myIndex;
169}
170
171void
172Process::startup()
173{
174 if (threadContexts.empty())
175 fatal("Process %s is not associated with any CPUs!\n", name());
176
177 // first thread context for this process... initialize & enable
178 ThreadContext *tc = threadContexts[0];
179
180 // mark this context as active so it will start ticking.
181 tc->activate(0);
182
183 Port *mem_port;
184 mem_port = system->physmem->getPort("functional");
185 initVirtMem = new TranslatingPort("process init port", pTable, true);
186 mem_port->setPeer(initVirtMem);
187 initVirtMem->setPeer(mem_port);
188}
189
190void
191Process::replaceThreadContext(ThreadContext *tc, int tcIndex)
192{
193 if (tcIndex >= threadContexts.size()) {
194 panic("replaceThreadContext: bad tcIndex, %d >= %d\n",
195 tcIndex, threadContexts.size());
196 }
197
198 threadContexts[tcIndex] = tc;
199}
200
201// map simulator fd sim_fd to target fd tgt_fd
202void
203Process::dup_fd(int sim_fd, int tgt_fd)
204{
205 if (tgt_fd < 0 || tgt_fd > MAX_FD)
206 panic("Process::dup_fd tried to dup past MAX_FD (%d)", tgt_fd);
207
208 fd_map[tgt_fd] = sim_fd;
209}
210
211
212// generate new target fd for sim_fd
213int
214Process::alloc_fd(int sim_fd)
215{
216 // in case open() returns an error, don't allocate a new fd
217 if (sim_fd == -1)
218 return -1;
219
220 // find first free target fd
221 for (int free_fd = 0; free_fd < MAX_FD; ++free_fd) {
222 if (fd_map[free_fd] == -1) {
223 fd_map[free_fd] = sim_fd;
224 return free_fd;
225 }
226 }
227
228 panic("Process::alloc_fd: out of file descriptors!");
229}
230
231
232// free target fd (e.g., after close)
233void
234Process::free_fd(int tgt_fd)
235{
236 if (fd_map[tgt_fd] == -1)
237 warn("Process::free_fd: request to free unused fd %d", tgt_fd);
238
239 fd_map[tgt_fd] = -1;
240}
241
242
243// look up simulator fd for given target fd
244int
245Process::sim_fd(int tgt_fd)
246{
247 if (tgt_fd > MAX_FD)
248 return -1;
249
250 return fd_map[tgt_fd];
251}
252
253void
254Process::serialize(std::ostream &os)
255{
256 SERIALIZE_SCALAR(initialContextLoaded);
257 SERIALIZE_SCALAR(brk_point);
258 SERIALIZE_SCALAR(stack_base);
259 SERIALIZE_SCALAR(stack_size);
260 SERIALIZE_SCALAR(stack_min);
261 SERIALIZE_SCALAR(next_thread_stack_base);
262 SERIALIZE_SCALAR(mmap_start);
263 SERIALIZE_SCALAR(mmap_end);
264 SERIALIZE_SCALAR(nxm_start);
265 SERIALIZE_SCALAR(nxm_end);
266 SERIALIZE_ARRAY(fd_map, MAX_FD);
267
268 pTable->serialize(os);
269}
270
271void
272Process::unserialize(Checkpoint *cp, const std::string §ion)
273{
274 UNSERIALIZE_SCALAR(initialContextLoaded);
275 UNSERIALIZE_SCALAR(brk_point);
276 UNSERIALIZE_SCALAR(stack_base);
277 UNSERIALIZE_SCALAR(stack_size);
278 UNSERIALIZE_SCALAR(stack_min);
279 UNSERIALIZE_SCALAR(next_thread_stack_base);
280 UNSERIALIZE_SCALAR(mmap_start);
281 UNSERIALIZE_SCALAR(mmap_end);
282 UNSERIALIZE_SCALAR(nxm_start);
283 UNSERIALIZE_SCALAR(nxm_end);
284 UNSERIALIZE_ARRAY(fd_map, MAX_FD);
285
286 pTable->unserialize(cp, section);
287}
288
289
290//
291// need to declare these here since there is no concrete Process type
292// that can be constructed (i.e., no REGISTER_SIM_OBJECT() macro call,
293// which is where these get declared for concrete types).
294//
295DEFINE_SIM_OBJECT_CLASS_NAME("Process", Process)
296
297
298////////////////////////////////////////////////////////////////////////
299//
300// LiveProcess member definitions
301//
302////////////////////////////////////////////////////////////////////////
303
304
305LiveProcess::LiveProcess(const string &nm, ObjectFile *_objFile,
306 System *_system,
307 int stdin_fd, int stdout_fd, int stderr_fd,
308 vector<string> &_argv, vector<string> &_envp,
309 const string &_cwd,
310 uint64_t _uid, uint64_t _euid,
311 uint64_t _gid, uint64_t _egid,
312 uint64_t _pid, uint64_t _ppid)
313 : Process(nm, _system, stdin_fd, stdout_fd, stderr_fd),
314 objFile(_objFile), argv(_argv), envp(_envp), cwd(_cwd)
315{
316 __uid = _uid;
317 __euid = _euid;
318 __gid = _gid;
319 __egid = _egid;
320 __pid = _pid;
321 __ppid = _ppid;
322
323 prog_fname = argv[0];
324
325 // load up symbols, if any... these may be used for debugging or
326 // profiling.
327 if (!debugSymbolTable) {
328 debugSymbolTable = new SymbolTable();
329 if (!objFile->loadGlobalSymbols(debugSymbolTable) ||
330 !objFile->loadLocalSymbols(debugSymbolTable)) {
331 // didn't load any symbols
332 delete debugSymbolTable;
333 debugSymbolTable = NULL;
334 }
335 }
336}
337
338void
339LiveProcess::argsInit(int intSize, int pageSize)
340{
341 Process::startup();
342
343 // load object file into target memory
344 objFile->loadSections(initVirtMem);
345
346 // Calculate how much space we need for arg & env arrays.
347 int argv_array_size = intSize * (argv.size() + 1);
348 int envp_array_size = intSize * (envp.size() + 1);
349 int arg_data_size = 0;
350 for (int i = 0; i < argv.size(); ++i) {
351 arg_data_size += argv[i].size() + 1;
352 }
353 int env_data_size = 0;
354 for (int i = 0; i < envp.size(); ++i) {
355 env_data_size += envp[i].size() + 1;
356 }
357
358 int space_needed =
359 argv_array_size + envp_array_size + arg_data_size + env_data_size;
360 if (space_needed < 32*1024)
361 space_needed = 32*1024;
362
363 // set bottom of stack
364 stack_min = stack_base - space_needed;
365 // align it
366 stack_min = roundDown(stack_min, pageSize);
367 stack_size = stack_base - stack_min;
368 // map memory
369 pTable->allocate(stack_min, roundUp(stack_size, pageSize));
370
371 // map out initial stack contents
372 Addr argv_array_base = stack_min + intSize; // room for argc
373 Addr envp_array_base = argv_array_base + argv_array_size;
374 Addr arg_data_base = envp_array_base + envp_array_size;
375 Addr env_data_base = arg_data_base + arg_data_size;
376
377 // write contents to stack
378 uint64_t argc = argv.size();
379 if (intSize == 8)
380 argc = htog((uint64_t)argc);
381 else if (intSize == 4)
382 argc = htog((uint32_t)argc);
383 else
384 panic("Unknown int size");
385
386 initVirtMem->writeBlob(stack_min, (uint8_t*)&argc, intSize);
387
388 copyStringArray(argv, argv_array_base, arg_data_base, initVirtMem);
389 copyStringArray(envp, envp_array_base, env_data_base, initVirtMem);
390
391 threadContexts[0]->setIntReg(ArgumentReg0, argc);
392 threadContexts[0]->setIntReg(ArgumentReg1, argv_array_base);
393 threadContexts[0]->setIntReg(StackPointerReg, stack_min);
394
395 Addr prog_entry = objFile->entryPoint();
396 threadContexts[0]->setPC(prog_entry);
397 threadContexts[0]->setNextPC(prog_entry + sizeof(MachInst));
398
399#if THE_ISA != ALPHA_ISA //e.g. MIPS or Sparc
400 threadContexts[0]->setNextNPC(prog_entry + (2 * sizeof(MachInst)));
401#endif
402
403 num_processes++;
404}
405
406void
407LiveProcess::syscall(int64_t callnum, ThreadContext *tc)
408{
409 num_syscalls++;
410
411 SyscallDesc *desc = getDesc(callnum);
412 if (desc == NULL)
413 fatal("Syscall %d out of range", callnum);
414
415 desc->doSyscall(callnum, this, tc);
416}
417
418LiveProcess *
419LiveProcess::create(const std::string &nm, System *system, int stdin_fd,
420 int stdout_fd, int stderr_fd, std::string executable,
421 std::vector<std::string> &argv,
422 std::vector<std::string> &envp,
423 const std::string &cwd,
424 uint64_t _uid, uint64_t _euid,
425 uint64_t _gid, uint64_t _egid,
426 uint64_t _pid, uint64_t _ppid)
427{
428 LiveProcess *process = NULL;
429
430 ObjectFile *objFile = createObjectFile(executable);
431 if (objFile == NULL) {
432 fatal("Can't load object file %s", executable);
433 }
434
435 if (objFile->isDynamic())
436 fatal("Object file is a dynamic executable however only static "
437 "executables are supported!\n Please recompile your "
438 "executable as a static binary and try again.\n");
439
440#if THE_ISA == ALPHA_ISA
441 if (objFile->getArch() != ObjectFile::Alpha)
442 fatal("Object file architecture does not match compiled ISA (Alpha).");
443 switch (objFile->getOpSys()) {
444 case ObjectFile::Tru64:
445 process = new AlphaTru64Process(nm, objFile, system,
446 stdin_fd, stdout_fd, stderr_fd,
447 argv, envp, cwd,
448 _uid, _euid, _gid, _egid, _pid, _ppid);
449 break;
450
451 case ObjectFile::Linux:
452 process = new AlphaLinuxProcess(nm, objFile, system,
453 stdin_fd, stdout_fd, stderr_fd,
454 argv, envp, cwd,
455 _uid, _euid, _gid, _egid, _pid, _ppid);
456 break;
457
458 default:
459 fatal("Unknown/unsupported operating system.");
460 }
461#elif THE_ISA == SPARC_ISA
462 if (objFile->getArch() != ObjectFile::SPARC64 && objFile->getArch() != ObjectFile::SPARC32)
463 fatal("Object file architecture does not match compiled ISA (SPARC).");
464 switch (objFile->getOpSys()) {
465 case ObjectFile::Linux:
466 if (objFile->getArch() == ObjectFile::SPARC64) {
467 process = new Sparc64LinuxProcess(nm, objFile, system,
468 stdin_fd, stdout_fd, stderr_fd,
469 argv, envp, cwd,
470 _uid, _euid, _gid,
471 _egid, _pid, _ppid);
472 } else {
473 process = new Sparc32LinuxProcess(nm, objFile, system,
474 stdin_fd, stdout_fd, stderr_fd,
475 argv, envp, cwd,
476 _uid, _euid, _gid,
477 _egid, _pid, _ppid);
478 }
479 break;
480
481
482 case ObjectFile::Solaris:
483 process = new SparcSolarisProcess(nm, objFile, system,
484 stdin_fd, stdout_fd, stderr_fd,
485 argv, envp, cwd,
486 _uid, _euid, _gid, _egid, _pid, _ppid);
487 break;
488 default:
489 fatal("Unknown/unsupported operating system.");
490 }
491#elif THE_ISA == X86_ISA
492 if (objFile->getArch() != ObjectFile::X86)
|
502 default:
503 fatal("Unknown/unsupported operating system.");
504 }
505#elif THE_ISA == MIPS_ISA
506 if (objFile->getArch() != ObjectFile::Mips)
507 fatal("Object file architecture does not match compiled ISA (MIPS).");
508 switch (objFile->getOpSys()) {
509 case ObjectFile::Linux:
510 process = new MipsLinuxProcess(nm, objFile, system,
511 stdin_fd, stdout_fd, stderr_fd,
512 argv, envp, cwd,
513 _uid, _euid, _gid, _egid, _pid, _ppid);
514 break;
515
516 default:
517 fatal("Unknown/unsupported operating system.");
518 }
519#else
520#error "THE_ISA not set"
521#endif
522
523
524 if (process == NULL)
525 fatal("Unknown error creating process object.");
526 return process;
527}
528
529
530BEGIN_DECLARE_SIM_OBJECT_PARAMS(LiveProcess)
531
532 VectorParam<string> cmd;
533 Param<string> executable;
534 Param<string> input;
535 Param<string> output;
536 VectorParam<string> env;
537 Param<string> cwd;
538 SimObjectParam<System *> system;
539 Param<uint64_t> uid;
540 Param<uint64_t> euid;
541 Param<uint64_t> gid;
542 Param<uint64_t> egid;
543 Param<uint64_t> pid;
544 Param<uint64_t> ppid;
545
546END_DECLARE_SIM_OBJECT_PARAMS(LiveProcess)
547
548
549BEGIN_INIT_SIM_OBJECT_PARAMS(LiveProcess)
550
551 INIT_PARAM(cmd, "command line (executable plus arguments)"),
552 INIT_PARAM(executable, "executable (overrides cmd[0] if set)"),
553 INIT_PARAM(input, "filename for stdin (dflt: use sim stdin)"),
554 INIT_PARAM(output, "filename for stdout/stderr (dflt: use sim stdout)"),
555 INIT_PARAM(env, "environment settings"),
556 INIT_PARAM(cwd, "current working directory"),
557 INIT_PARAM(system, "system"),
558 INIT_PARAM(uid, "user id"),
559 INIT_PARAM(euid, "effective user id"),
560 INIT_PARAM(gid, "group id"),
561 INIT_PARAM(egid, "effective group id"),
562 INIT_PARAM(pid, "process id"),
563 INIT_PARAM(ppid, "parent process id")
564
565END_INIT_SIM_OBJECT_PARAMS(LiveProcess)
566
567
568CREATE_SIM_OBJECT(LiveProcess)
569{
570 string in = input;
571 string out = output;
572
573 // initialize file descriptors to default: same as simulator
574 int stdin_fd, stdout_fd, stderr_fd;
575
576 if (in == "stdin" || in == "cin")
577 stdin_fd = STDIN_FILENO;
578 else
579 stdin_fd = Process::openInputFile(input);
580
581 if (out == "stdout" || out == "cout")
582 stdout_fd = STDOUT_FILENO;
583 else if (out == "stderr" || out == "cerr")
584 stdout_fd = STDERR_FILENO;
585 else
586 stdout_fd = Process::openOutputFile(out);
587
588 stderr_fd = (stdout_fd != STDOUT_FILENO) ? stdout_fd : STDERR_FILENO;
589
590 return LiveProcess::create(getInstanceName(), system,
591 stdin_fd, stdout_fd, stderr_fd,
592 (string)executable == "" ? cmd[0] : executable,
593 cmd, env, cwd,
594 uid, euid, gid, egid, pid, ppid);
595}
596
597
598REGISTER_SIM_OBJECT("LiveProcess", LiveProcess)
| 502 default:
503 fatal("Unknown/unsupported operating system.");
504 }
505#elif THE_ISA == MIPS_ISA
506 if (objFile->getArch() != ObjectFile::Mips)
507 fatal("Object file architecture does not match compiled ISA (MIPS).");
508 switch (objFile->getOpSys()) {
509 case ObjectFile::Linux:
510 process = new MipsLinuxProcess(nm, objFile, system,
511 stdin_fd, stdout_fd, stderr_fd,
512 argv, envp, cwd,
513 _uid, _euid, _gid, _egid, _pid, _ppid);
514 break;
515
516 default:
517 fatal("Unknown/unsupported operating system.");
518 }
519#else
520#error "THE_ISA not set"
521#endif
522
523
524 if (process == NULL)
525 fatal("Unknown error creating process object.");
526 return process;
527}
528
529
530BEGIN_DECLARE_SIM_OBJECT_PARAMS(LiveProcess)
531
532 VectorParam<string> cmd;
533 Param<string> executable;
534 Param<string> input;
535 Param<string> output;
536 VectorParam<string> env;
537 Param<string> cwd;
538 SimObjectParam<System *> system;
539 Param<uint64_t> uid;
540 Param<uint64_t> euid;
541 Param<uint64_t> gid;
542 Param<uint64_t> egid;
543 Param<uint64_t> pid;
544 Param<uint64_t> ppid;
545
546END_DECLARE_SIM_OBJECT_PARAMS(LiveProcess)
547
548
549BEGIN_INIT_SIM_OBJECT_PARAMS(LiveProcess)
550
551 INIT_PARAM(cmd, "command line (executable plus arguments)"),
552 INIT_PARAM(executable, "executable (overrides cmd[0] if set)"),
553 INIT_PARAM(input, "filename for stdin (dflt: use sim stdin)"),
554 INIT_PARAM(output, "filename for stdout/stderr (dflt: use sim stdout)"),
555 INIT_PARAM(env, "environment settings"),
556 INIT_PARAM(cwd, "current working directory"),
557 INIT_PARAM(system, "system"),
558 INIT_PARAM(uid, "user id"),
559 INIT_PARAM(euid, "effective user id"),
560 INIT_PARAM(gid, "group id"),
561 INIT_PARAM(egid, "effective group id"),
562 INIT_PARAM(pid, "process id"),
563 INIT_PARAM(ppid, "parent process id")
564
565END_INIT_SIM_OBJECT_PARAMS(LiveProcess)
566
567
568CREATE_SIM_OBJECT(LiveProcess)
569{
570 string in = input;
571 string out = output;
572
573 // initialize file descriptors to default: same as simulator
574 int stdin_fd, stdout_fd, stderr_fd;
575
576 if (in == "stdin" || in == "cin")
577 stdin_fd = STDIN_FILENO;
578 else
579 stdin_fd = Process::openInputFile(input);
580
581 if (out == "stdout" || out == "cout")
582 stdout_fd = STDOUT_FILENO;
583 else if (out == "stderr" || out == "cerr")
584 stdout_fd = STDERR_FILENO;
585 else
586 stdout_fd = Process::openOutputFile(out);
587
588 stderr_fd = (stdout_fd != STDOUT_FILENO) ? stdout_fd : STDERR_FILENO;
589
590 return LiveProcess::create(getInstanceName(), system,
591 stdin_fd, stdout_fd, stderr_fd,
592 (string)executable == "" ? cmd[0] : executable,
593 cmd, env, cwd,
594 uid, euid, gid, egid, pid, ppid);
595}
596
597
598REGISTER_SIM_OBJECT("LiveProcess", LiveProcess)
|