syscall_emul.cc (3114:7a4771b9b720) syscall_emul.cc (3669:3607aaed36b6)
1/*
2 * Copyright (c) 2003-2005 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;

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209SyscallReturn
210unlinkFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
211{
212 string path;
213
214 if (!tc->getMemPort()->tryReadString(path, tc->getSyscallArg(0)))
215 return (TheISA::IntReg)-EFAULT;
216
1/*
2 * Copyright (c) 2003-2005 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;

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209SyscallReturn
210unlinkFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
211{
212 string path;
213
214 if (!tc->getMemPort()->tryReadString(path, tc->getSyscallArg(0)))
215 return (TheISA::IntReg)-EFAULT;
216
217 // Adjust path for current working directory
218 path = p->fullPath(path);
219
217 int result = unlink(path.c_str());
218 return (result == -1) ? -errno : result;
219}
220
221SyscallReturn
222renameFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
223{
224 string old_name;
225
226 if (!tc->getMemPort()->tryReadString(old_name, tc->getSyscallArg(0)))
227 return -EFAULT;
228
229 string new_name;
230
231 if (!tc->getMemPort()->tryReadString(new_name, tc->getSyscallArg(1)))
232 return -EFAULT;
233
220 int result = unlink(path.c_str());
221 return (result == -1) ? -errno : result;
222}
223
224SyscallReturn
225renameFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
226{
227 string old_name;
228
229 if (!tc->getMemPort()->tryReadString(old_name, tc->getSyscallArg(0)))
230 return -EFAULT;
231
232 string new_name;
233
234 if (!tc->getMemPort()->tryReadString(new_name, tc->getSyscallArg(1)))
235 return -EFAULT;
236
237 // Adjust path for current working directory
238 old_name = p->fullPath(old_name);
239 new_name = p->fullPath(new_name);
240
234 int64_t result = rename(old_name.c_str(), new_name.c_str());
235 return (result == -1) ? -errno : result;
236}
237
238SyscallReturn
239truncateFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
240{
241 string path;
242
243 if (!tc->getMemPort()->tryReadString(path, tc->getSyscallArg(0)))
244 return -EFAULT;
245
246 off_t length = tc->getSyscallArg(1);
247
241 int64_t result = rename(old_name.c_str(), new_name.c_str());
242 return (result == -1) ? -errno : result;
243}
244
245SyscallReturn
246truncateFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
247{
248 string path;
249
250 if (!tc->getMemPort()->tryReadString(path, tc->getSyscallArg(0)))
251 return -EFAULT;
252
253 off_t length = tc->getSyscallArg(1);
254
255 // Adjust path for current working directory
256 path = p->fullPath(path);
257
248 int result = truncate(path.c_str(), length);
249 return (result == -1) ? -errno : result;
250}
251
252SyscallReturn
253ftruncateFunc(SyscallDesc *desc, int num, LiveProcess *process, ThreadContext *tc)
254{
255 int fd = process->sim_fd(tc->getSyscallArg(0));

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272 return -EFAULT;
273
274 /* XXX endianess */
275 uint32_t owner = tc->getSyscallArg(1);
276 uid_t hostOwner = owner;
277 uint32_t group = tc->getSyscallArg(2);
278 gid_t hostGroup = group;
279
258 int result = truncate(path.c_str(), length);
259 return (result == -1) ? -errno : result;
260}
261
262SyscallReturn
263ftruncateFunc(SyscallDesc *desc, int num, LiveProcess *process, ThreadContext *tc)
264{
265 int fd = process->sim_fd(tc->getSyscallArg(0));

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282 return -EFAULT;
283
284 /* XXX endianess */
285 uint32_t owner = tc->getSyscallArg(1);
286 uid_t hostOwner = owner;
287 uint32_t group = tc->getSyscallArg(2);
288 gid_t hostGroup = group;
289
290 // Adjust path for current working directory
291 path = p->fullPath(path);
292
280 int result = chown(path.c_str(), hostOwner, hostGroup);
281 return (result == -1) ? -errno : result;
282}
283
284SyscallReturn
285fchownFunc(SyscallDesc *desc, int num, LiveProcess *process, ThreadContext *tc)
286{
287 int fd = process->sim_fd(tc->getSyscallArg(0));

--- 214 unchanged lines hidden --- 		293 int result = chown(path.c_str(), hostOwner, hostGroup);
294 return (result == -1) ? -errno : result;
295}
296
297SyscallReturn
298fchownFunc(SyscallDesc *desc, int num, LiveProcess *process, ThreadContext *tc)
299{
300 int fd = process->sim_fd(tc->getSyscallArg(0));

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