1/* 2 * Copyright (c) 2002-2005 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; 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_ALPHA_REMOTE_GDB_HH__ 32#define __ARCH_ALPHA_REMOTE_GDB_HH__ 33 34#include <map> 35 36#include "arch/types.hh" 37#include "base/remote_gdb.hh" 38#include "cpu/pc_event.hh" 39#include "base/pollevent.hh" 40 41class System; 42class ThreadContext; 43class PhysicalMemory; 44 45namespace SparcISA 46{ 47 class RemoteGDB : public BaseRemoteGDB 48 {
| 1/* 2 * Copyright (c) 2002-2005 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; 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_ALPHA_REMOTE_GDB_HH__ 32#define __ARCH_ALPHA_REMOTE_GDB_HH__ 33 34#include <map> 35 36#include "arch/types.hh" 37#include "base/remote_gdb.hh" 38#include "cpu/pc_event.hh" 39#include "base/pollevent.hh" 40 41class System; 42class ThreadContext; 43class PhysicalMemory; 44 45namespace SparcISA 46{ 47 class RemoteGDB : public BaseRemoteGDB 48 {
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49 private: 50 friend void debugger(); 51 friend class GDBListener; 52
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53 protected:
| 49 protected:
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54 class Event : public PollEvent
| 50 enum RegisterConstants
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55 {
| 51 {
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56 protected: 57 RemoteGDB *gdb; 58 59 public: 60 Event(RemoteGDB *g, int fd, int e); 61 void process(int revent);
| 52 RegG0, RegG1, RegG2, RegG3, RegG4, RegG5, RegG6, RegG7, 53 RegO0, RegO1, RegO2, RegO3, RegO4, RegO5, RegO6, RegO7, 54 RegL0, RegL1, RegL2, RegL3, RegL4, RegL5, RegL6, RegL7, 55 RegI0, RegI1, RegI2, RegI3, RegI4, RegI5, RegI6, RegI7, 56 RegF0, RegF1, RegF2, RegF3, RegF4, RegF5, RegF6, RegF7, 57 RegF8, RegF9, RegF10, RegF11, RegF12, RegF13, RegF14, RegF15, 58 RegF16, RegF17, RegF18, RegF19, RegF20, RegF21, RegF22, RegF23, 59 RegF24, RegF25, RegF26, RegF27, RegF28, RegF29, RegF30, RegF31, 60 RegY, 61 RegPsr, 62 RegWim, 63 RegTbr, 64 RegPc, 65 RegNpc, 66 RegFpsr, 67 RegCpsr, 68 NumGDBRegs
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62 }; 63
| 69 }; 70
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64 friend class Event; 65 Event *event; 66 67 protected: 68 // Machine memory 69 bool write(Addr addr, size_t size, const char *data); 70
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71 public: 72 RemoteGDB(System *system, ThreadContext *context);
| 71 public: 72 RemoteGDB(System *system, ThreadContext *context);
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73 ~RemoteGDB();
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74 75 bool acc(Addr addr, size_t len);
| 73 74 bool acc(Addr addr, size_t len);
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76 int signal(int type);
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77 78 protected: 79 void getregs(); 80 void setregs(); 81 82 void clearSingleStep(); 83 void setSingleStep(); 84
| 75 76 protected: 77 void getregs(); 78 void setregs(); 79 80 void clearSingleStep(); 81 void setSingleStep(); 82
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85 PCEventQueue *getPcEventQueue(); 86 87 protected: 88 class HardBreakpoint : public PCEvent 89 { 90 private: 91 RemoteGDB *gdb; 92 93 public: 94 int refcount; 95 96 public: 97 HardBreakpoint(RemoteGDB *_gdb, Addr addr); 98 std::string name() { return gdb->name() + ".hwbkpt"; } 99 100 virtual void process(ThreadContext *tc); 101 }; 102 friend class HardBreakpoint; 103 104 typedef std::map<Addr, HardBreakpoint *> break_map_t; 105 typedef break_map_t::iterator break_iter_t; 106 break_map_t hardBreakMap; 107 108 bool insertSoftBreak(Addr addr, size_t len); 109 bool removeSoftBreak(Addr addr, size_t len); 110 bool insertHardBreak(Addr addr, size_t len); 111 bool removeHardBreak(Addr addr, size_t len); 112 113 protected: 114 struct TempBreakpoint { 115 Addr address; // set here 116 MachInst bkpt_inst; // saved instruction at bkpt 117 int init_count; // number of times to skip bkpt 118 int count; // current count 119 }; 120 121 TempBreakpoint notTakenBkpt; 122 TempBreakpoint takenBkpt; 123 124 void clearTempBreakpoint(TempBreakpoint &bkpt); 125 void setTempBreakpoint(TempBreakpoint &bkpt, Addr addr);
| 83 Addr singleStepBreaks[2];
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126 }; 127} 128 129#endif /* __ARCH_ALPHA_REMOTE_GDB_H__ */
| 84 }; 85} 86 87#endif /* __ARCH_ALPHA_REMOTE_GDB_H__ */
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