nativetrace.hh revision 8229 
1/*
2 * Copyright (c) 2007-2009 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: Gabe Black
29 */
30
31#ifndef __ARCH_X86_NATIVETRACE_HH__
32#define __ARCH_X86_NATIVETRACE_HH__
33
34#include "base/types.hh"
35#include "cpu/nativetrace.hh"
36
37class ThreadContext;
38
39namespace Trace {
40
41class X86NativeTrace : public NativeTrace
42{
43  protected:
44    bool checkRcx;
45    bool checkR11;
46    uint64_t oldRcxVal, oldR11Val;
47    uint64_t oldRealRcxVal, oldRealR11Val;
48
49    struct ThreadState {
50        uint64_t rax;
51        uint64_t rcx;
52        uint64_t rdx;
53        uint64_t rbx;
54        uint64_t rsp;
55        uint64_t rbp;
56        uint64_t rsi;
57        uint64_t rdi;
58        uint64_t r8;
59        uint64_t r9;
60        uint64_t r10;
61        uint64_t r11;
62        uint64_t r12;
63        uint64_t r13;
64        uint64_t r14;
65        uint64_t r15;
66        uint64_t rip;
67        //This should be expanded to 16 if x87 registers are considered
68        uint64_t mmx[8];
69        uint64_t xmm[32];
70
71        void update(NativeTrace *parent);
72        void update(ThreadContext *tc);
73    };
74
75    ThreadState nState;
76    ThreadState mState;
77
78    bool checkRcxReg(const char * regName, uint64_t &, uint64_t &);
79    bool checkR11Reg(const char * regName, uint64_t &, uint64_t &);
80    bool checkXMM(int num, uint64_t mXmmBuf[], uint64_t nXmmBuf[]);
81
82  public:
83    X86NativeTrace(const Params *p);
84
85    void check(NativeTraceRecord *record);
86};
87
88} // namespace Trace
89
90#endif // __ARCH_X86_NATIVETRACE_HH__
91