| /* |
| * Copyright (c) 2004 The Regents of The University of Michigan |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer; |
| * redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution; |
| * neither the name of the copyright holders nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef __KERN_LINUX_LINUX_TREADNIFO_HH__ |
| #define __KERN_LINUX_LINUX_TREADNIFO_HH__ |
| |
| #include "kern/linux/thread_info.hh" |
| #include "kern/linux/sched.hh" |
| #include "targetarch/vptr.hh" |
| |
| namespace Linux { |
| |
| class ThreadInfo |
| { |
| private: |
| ExecContext *xc; |
| |
| public: |
| ThreadInfo(ExecContext *exec) : xc(exec) {} |
| ~ThreadInfo() {} |
| |
| inline VPtr<thread_info> |
| curThreadInfo() |
| { |
| Addr current; |
| |
| /* Each kernel stack is only 2 pages, the start of which is the |
| * thread_info struct. So we can get the address by masking off |
| * the lower 14 bits. |
| */ |
| current = xc->regs.intRegFile[StackPointerReg] & ~0x3fff; |
| return VPtr<thread_info>(xc, current); |
| } |
| |
| inline VPtr<task_struct> |
| curTaskInfo() |
| { |
| Addr task = curThreadInfo()->task; |
| return VPtr<task_struct>(xc, task); |
| } |
| |
| std::string |
| curTaskName() |
| { |
| return curTaskInfo()->name; |
| } |
| |
| int32_t |
| curTaskPID() |
| { |
| return curTaskInfo()->pid; |
| } |
| |
| uint64_t |
| curTaskStart() |
| { |
| return curTaskInfo()->start; |
| } |
| }; |
| |
| /* namespace Linux */ } |
| |
| #endif // __KERN_LINUX_LINUX_THREADINFO_HH__ |