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-rw-r--r--arch/sparc/stacktrace.hh119
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diff --git a/arch/sparc/stacktrace.hh b/arch/sparc/stacktrace.hh
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--- a/arch/sparc/stacktrace.hh
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-/*
- * Copyright (c) 2005 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 __ARCH_ALPHA_STACKTRACE_HH__
-#define __ARCH_ALPHA_STACKTRACE_HH__
-
-#include "base/trace.hh"
-#include "cpu/static_inst.hh"
-
-class ExecContext;
-class StackTrace;
-
-class ProcessInfo
-{
- private:
- ExecContext *xc;
-
- int thread_info_size;
- int task_struct_size;
- int task_off;
- int pid_off;
- int name_off;
-
- public:
- ProcessInfo(ExecContext *_xc);
-
- Addr task(Addr ksp) const;
- int pid(Addr ksp) const;
- std::string name(Addr ksp) const;
-};
-
-class StackTrace
-{
- protected:
- typedef TheISA::MachInst MachInst;
- private:
- ExecContext *xc;
- std::vector<Addr> stack;
-
- private:
- bool isEntry(Addr addr);
- bool decodePrologue(Addr sp, Addr callpc, Addr func, int &size, Addr &ra);
- bool decodeSave(MachInst inst, int &reg, int &disp);
- bool decodeStack(MachInst inst, int &disp);
-
- void trace(ExecContext *xc, bool is_call);
-
- public:
- StackTrace();
- StackTrace(ExecContext *xc, StaticInstPtr inst);
- ~StackTrace();
-
- void clear()
- {
- xc = 0;
- stack.clear();
- }
-
- bool valid() const { return xc != NULL; }
- bool trace(ExecContext *xc, StaticInstPtr inst);
-
- public:
- const std::vector<Addr> &getstack() const { return stack; }
-
- static const int user = 1;
- static const int console = 2;
- static const int unknown = 3;
-
-#if TRACING_ON
- private:
- void dump();
-
- public:
- void dprintf() { if (DTRACE(Stack)) dump(); }
-#else
- public:
- void dprintf() {}
-#endif
-};
-
-inline bool
-StackTrace::trace(ExecContext *xc, StaticInstPtr inst)
-{
- if (!inst->isCall() && !inst->isReturn())
- return false;
-
- if (valid())
- clear();
-
- trace(xc, !inst->isReturn());
- return true;
-}
-
-#endif // __ARCH_ALPHA_STACKTRACE_HH__