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