1/* 2 * Copyright (c) 2006 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; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Nathan Binkert 29 */ 30 31#ifndef __ARCH_X86_STACKTRACE_HH__ 32#define __ARCH_X86_STACKTRACE_HH__ 33 34#include "base/trace.hh" 35#include "cpu/static_inst.hh" 36#include "debug/Stack.hh" 37 38class ThreadContext; 39namespace X86ISA 40{ 41 class StackTrace; 42 43 class ProcessInfo 44 { 45 private: 46 ThreadContext *tc; 47 48 int thread_info_size; 49 int task_struct_size; 50 int task_off; 51 int pid_off; 52 int name_off; 53 54 public: 55 ProcessInfo(ThreadContext *_tc); 56 57 Addr task(Addr ksp) const; 58 int pid(Addr ksp) const; 59 std::string name(Addr ksp) const; 60 }; 61 62 class StackTrace 63 { 64 private: 65 ThreadContext *tc; 66 std::vector<Addr> stack; 67 68 private: 69 bool isEntry(Addr addr); 70 bool decodePrologue(Addr sp, Addr callpc, Addr func, int &size, Addr &ra); 71 bool decodeSave(MachInst inst, int ®, int &disp); 72 bool decodeStack(MachInst inst, int &disp); 73 74 void trace(ThreadContext *tc, bool is_call); 75 76 public: 77 StackTrace();
| 1/* 2 * Copyright (c) 2006 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; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Nathan Binkert 29 */ 30 31#ifndef __ARCH_X86_STACKTRACE_HH__ 32#define __ARCH_X86_STACKTRACE_HH__ 33 34#include "base/trace.hh" 35#include "cpu/static_inst.hh" 36#include "debug/Stack.hh" 37 38class ThreadContext; 39namespace X86ISA 40{ 41 class StackTrace; 42 43 class ProcessInfo 44 { 45 private: 46 ThreadContext *tc; 47 48 int thread_info_size; 49 int task_struct_size; 50 int task_off; 51 int pid_off; 52 int name_off; 53 54 public: 55 ProcessInfo(ThreadContext *_tc); 56 57 Addr task(Addr ksp) const; 58 int pid(Addr ksp) const; 59 std::string name(Addr ksp) const; 60 }; 61 62 class StackTrace 63 { 64 private: 65 ThreadContext *tc; 66 std::vector<Addr> stack; 67 68 private: 69 bool isEntry(Addr addr); 70 bool decodePrologue(Addr sp, Addr callpc, Addr func, int &size, Addr &ra); 71 bool decodeSave(MachInst inst, int ®, int &disp); 72 bool decodeStack(MachInst inst, int &disp); 73 74 void trace(ThreadContext *tc, bool is_call); 75 76 public: 77 StackTrace();
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