1/*
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2 * Copyright 2015 LabWare |
3 * Copyright 2014 Google, Inc. 4 * Copyright (c) 2007 The Hewlett-Packard Development Company 5 * All rights reserved. 6 * 7 * The license below extends only to copyright in the software and shall 8 * not be construed as granting a license to any other intellectual 9 * property including but not limited to intellectual property relating 10 * to a hardware implementation of the functionality of the software 11 * licensed hereunder. You may use the software subject to the license 12 * terms below provided that you ensure that this notice is replicated 13 * unmodified and in its entirety in all distributions of the software, 14 * modified or unmodified, in source code or in binary form. 15 * 16 * Redistribution and use in source and binary forms, with or without 17 * modification, are permitted provided that the following conditions are 18 * met: redistributions of source code must retain the above copyright 19 * notice, this list of conditions and the following disclaimer; 20 * redistributions in binary form must reproduce the above copyright 21 * notice, this list of conditions and the following disclaimer in the 22 * documentation and/or other materials provided with the distribution; 23 * neither the name of the copyright holders nor the names of its 24 * contributors may be used to endorse or promote products derived from 25 * this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 28 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 29 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 30 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 31 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 32 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 33 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 34 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 35 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 36 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 37 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 38 * 39 * Authors: Gabe Black
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40 * Boris Shingarov |
41 */ 42 43#ifndef __ARCH_X86_REMOTEGDB_HH__ 44#define __ARCH_X86_REMOTEGDB_HH__ 45 46#include <algorithm> 47 48#include "arch/x86/types.hh" 49#include "base/remote_gdb.hh" 50 51class System; 52class ThreadContext; 53 54namespace X86ISA 55{ 56class RemoteGDB : public BaseRemoteGDB 57{
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56 public:
57 enum
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58 protected: 59 bool acc(Addr addr, size_t len); 60 bool checkBpLen(size_t len) { return len == 1; } 61 class X86GdbRegCache : public BaseGdbRegCache |
62 {
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59 GDB32_EAX,
60 GDB32_ECX,
61 GDB32_EDX,
62 GDB32_EBX,
63 GDB32_ESP,
64 GDB32_EBP,
65 GDB32_ESI,
66 GDB32_EDI,
67 GDB32_EIP,
68 GDB32_EFLAGS,
69 GDB32_CS,
70 GDB32_SS,
71 GDB32_DS,
72 GDB32_ES,
73 GDB32_FS,
74 GDB32_GS,
75
76 GDB32_NUMREGS
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63 using BaseGdbRegCache::BaseGdbRegCache; 64 private: 65 struct { 66 uint32_t eax; 67 uint32_t ecx; 68 uint32_t edx; 69 uint32_t ebx; 70 uint32_t esp; 71 uint32_t ebp; 72 uint32_t esi; 73 uint32_t edi; 74 uint32_t eip; 75 uint32_t eflags; 76 uint32_t cs; 77 uint32_t ss; 78 uint32_t ds; 79 uint32_t es; 80 uint32_t fs; 81 uint32_t gs; 82 } r; 83 public: 84 char *data() const { return (char *)&r; } 85 size_t size() const { return sizeof(r); } 86 void getRegs(ThreadContext*); 87 void setRegs(ThreadContext*) const; 88 const std::string name() const { return gdb->name() + ".X86GdbRegCache"; } |
89 }; 90
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79 enum
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91 class AMD64GdbRegCache : public BaseGdbRegCache |
92 {
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81 GDB64_RAX,
82 GDB64_RBX,
83 GDB64_RCX,
84 GDB64_RDX,
85 GDB64_RSI,
86 GDB64_RDI,
87 GDB64_RBP,
88 GDB64_RSP,
89 GDB64_R8,
90 GDB64_R9,
91 GDB64_R10,
92 GDB64_R11,
93 GDB64_R12,
94 GDB64_R13,
95 GDB64_R14,
96 GDB64_R15,
97 GDB64_RIP,
98 // These indices index into the reg cache treated as an array of 32
99 // bit integers. The next index is one beyond the previous, and then
100 // scaled up from an index into an array of 64 bit integers.
101 GDB64_RFLAGS_32 = (GDB64_RIP + 1) * 2,
102 GDB64_CS_32,
103 GDB64_SS_32,
104 GDB64_DS_32,
105 GDB64_ES_32,
106 GDB64_FS_32,
107 GDB64_GS_32,
108
109 // Scale the end index count back down (rounded up) to be for an
110 // array of 64 bit integers.
111 GDB64_NUMREGS = (GDB64_GS_32 + 1) / 2 + 1
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93 using BaseGdbRegCache::BaseGdbRegCache; 94 private: 95 struct { 96 uint64_t rax; 97 uint64_t rbx; 98 uint64_t rcx; 99 uint64_t rdx; 100 uint64_t rsi; 101 uint64_t rdi; 102 uint64_t rbp; 103 uint64_t rsp; 104 uint64_t r8; 105 uint64_t r9; 106 uint64_t r10; 107 uint64_t r11; 108 uint64_t r12; 109 uint64_t r13; 110 uint64_t r14; 111 uint64_t r15; 112 uint64_t rip; 113 uint32_t eflags; 114 uint32_t cs; 115 uint32_t ss; 116 uint32_t ds; 117 uint32_t es; 118 uint32_t fs; 119 uint32_t gs; 120 /* 121 * We do not model st[], FPU status regs, xmm[] etc. 122 * While it's not ok to have G-packets larger than what gdb 123 * knows about, it is ok to have smaller ones. 124 */ 125 } r; 126 public: 127 char *data() const { return (char *)&r; } 128 size_t size() const { return sizeof(r); } 129 void getRegs(ThreadContext*); 130 void setRegs(ThreadContext*) const; 131 const std::string name() const { return gdb->name() + ".AMD64GdbRegCache"; } |
132 }; 133
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134 public: |
135 RemoteGDB(System *system, ThreadContext *context);
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115
116 bool acc(Addr addr, size_t len);
117
118 protected:
119 void getregs();
120 void setregs();
121
122 bool checkBpLen(size_t len) { return len == 1; }
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136 BaseGdbRegCache *gdbRegs(); |
137};
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138} // namespace X86ISA |
139
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125const int GDB_REG_BYTES M5_VAR_USED =
126 std::max(RemoteGDB::GDB32_NUMREGS * sizeof(uint32_t),
127 RemoteGDB::GDB64_NUMREGS * sizeof(uint64_t));
128
129}
130
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140#endif // __ARCH_X86_REMOTEGDB_HH__
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