Ali Saidi | 081b6fe | 2009-07-27 00:53:39 -0700 | [diff] [blame] | 1 | /* |
Ali Saidi | d3a519e | 2010-06-02 12:58:17 -0500 | [diff] [blame] | 2 | * Copyright (c) 2010 ARM Limited |
| 3 | * All rights reserved |
| 4 | * |
| 5 | * The license below extends only to copyright in the software and shall |
| 6 | * not be construed as granting a license to any other intellectual |
| 7 | * property including but not limited to intellectual property relating |
| 8 | * to a hardware implementation of the functionality of the software |
| 9 | * licensed hereunder. You may use the software subject to the license |
| 10 | * terms below provided that you ensure that this notice is replicated |
| 11 | * unmodified and in its entirety in all distributions of the software, |
| 12 | * modified or unmodified, in source code or in binary form. |
| 13 | * |
Ali Saidi | 081b6fe | 2009-07-27 00:53:39 -0700 | [diff] [blame] | 14 | * Copyright (c) 2009 The Regents of The University of Michigan |
| 15 | * All rights reserved. |
| 16 | * |
| 17 | * Redistribution and use in source and binary forms, with or without |
| 18 | * modification, are permitted provided that the following conditions are |
| 19 | * met: redistributions of source code must retain the above copyright |
| 20 | * notice, this list of conditions and the following disclaimer; |
| 21 | * redistributions in binary form must reproduce the above copyright |
| 22 | * notice, this list of conditions and the following disclaimer in the |
| 23 | * documentation and/or other materials provided with the distribution; |
| 24 | * neither the name of the copyright holders nor the names of its |
| 25 | * contributors may be used to endorse or promote products derived from |
| 26 | * this software without specific prior written permission. |
| 27 | * |
| 28 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 29 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 30 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 31 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 32 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 33 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 34 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 35 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 36 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 37 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 38 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 39 | * |
| 40 | * Authors: Ali Saidi |
| 41 | * Gabe Black |
| 42 | */ |
| 43 | |
| 44 | #ifndef TRACECHILD_ARM_HH |
| 45 | #define TRACECHILD_ARM_HH |
| 46 | |
Nathan Binkert | 39a0556 | 2011-04-15 10:44:06 -0700 | [diff] [blame] | 47 | #include <sys/ptrace.h> |
| 48 | #include <sys/user.h> |
| 49 | |
Ali Saidi | 081b6fe | 2009-07-27 00:53:39 -0700 | [diff] [blame] | 50 | #include <cassert> |
| 51 | #include <string> |
Ali Saidi | 081b6fe | 2009-07-27 00:53:39 -0700 | [diff] [blame] | 52 | |
Nathan Binkert | 39a0556 | 2011-04-15 10:44:06 -0700 | [diff] [blame] | 53 | #include "base/tracechild.hh" |
Ali Saidi | 081b6fe | 2009-07-27 00:53:39 -0700 | [diff] [blame] | 54 | |
| 55 | class ARMTraceChild : public TraceChild |
| 56 | { |
| 57 | public: |
| 58 | enum RegNum |
| 59 | { |
| 60 | // r0 - r3 argument, temp, caller save |
| 61 | // r4 - r10 callee save |
| 62 | // r11 - FP |
| 63 | // r12 - temp |
| 64 | // r13 - stack |
| 65 | // r14 - link |
| 66 | // r15 - pc |
| 67 | R0, R1, R2, R3, R4, R5, R6, R7, |
| 68 | R8, R9, R10, FP, R12, SP, LR, PC, |
| 69 | CPSR, |
Ali Saidi | 48f7fda | 2011-05-04 20:38:26 -0500 | [diff] [blame] | 70 | F0, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, F13, F14, F15, |
| 71 | F16, F17, F18, F19, F20, F21, F22, F23, F24, F25, F26, F27, F28, F29, |
| 72 | F30, F31, FPSCR, |
Ali Saidi | 081b6fe | 2009-07-27 00:53:39 -0700 | [diff] [blame] | 73 | numregs |
| 74 | }; |
Ali Saidi | 48f7fda | 2011-05-04 20:38:26 -0500 | [diff] [blame] | 75 | |
| 76 | struct vfp_regs { |
| 77 | uint64_t fpregs[32]; |
| 78 | uint32_t fpscr; |
| 79 | }; |
| 80 | |
Ali Saidi | 081b6fe | 2009-07-27 00:53:39 -0700 | [diff] [blame] | 81 | private: |
Ali Saidi | 081b6fe | 2009-07-27 00:53:39 -0700 | [diff] [blame] | 82 | uint32_t getRegs(user_regs& myregs, int num); |
Ali Saidi | 48f7fda | 2011-05-04 20:38:26 -0500 | [diff] [blame] | 83 | uint64_t getFpRegs(vfp_regs &myfpregs, int num); |
| 84 | |
Ali Saidi | 081b6fe | 2009-07-27 00:53:39 -0700 | [diff] [blame] | 85 | user_regs regs; |
| 86 | user_regs oldregs; |
Ali Saidi | 48f7fda | 2011-05-04 20:38:26 -0500 | [diff] [blame] | 87 | |
| 88 | vfp_regs fpregs; |
| 89 | vfp_regs oldfpregs; |
| 90 | |
Ali Saidi | 081b6fe | 2009-07-27 00:53:39 -0700 | [diff] [blame] | 91 | bool regDiffSinceUpdate[numregs]; |
Ali Saidi | d3a519e | 2010-06-02 12:58:17 -0500 | [diff] [blame] | 92 | bool foundMvn; |
| 93 | |
Ali Saidi | 081b6fe | 2009-07-27 00:53:39 -0700 | [diff] [blame] | 94 | protected: |
| 95 | bool update(int pid); |
Ali Saidi | d3a519e | 2010-06-02 12:58:17 -0500 | [diff] [blame] | 96 | |
Ali Saidi | 081b6fe | 2009-07-27 00:53:39 -0700 | [diff] [blame] | 97 | public: |
| 98 | ARMTraceChild(); |
| 99 | bool sendState(int socket); |
| 100 | |
Ali Saidi | 081b6fe | 2009-07-27 00:53:39 -0700 | [diff] [blame] | 101 | int64_t getRegVal(int num); |
| 102 | int64_t getOldRegVal(int num); |
Ali Saidi | d3a519e | 2010-06-02 12:58:17 -0500 | [diff] [blame] | 103 | |
Ali Saidi | 081b6fe | 2009-07-27 00:53:39 -0700 | [diff] [blame] | 104 | bool step(); |
| 105 | |
Gabe Black | 3df970f | 2011-03-02 22:53:10 -0800 | [diff] [blame] | 106 | uint64_t |
| 107 | getPC() |
Ali Saidi | 081b6fe | 2009-07-27 00:53:39 -0700 | [diff] [blame] | 108 | { |
Gabe Black | 3df970f | 2011-03-02 22:53:10 -0800 | [diff] [blame] | 109 | return getRegVal(PC); |
Ali Saidi | 081b6fe | 2009-07-27 00:53:39 -0700 | [diff] [blame] | 110 | } |
| 111 | |
Gabe Black | 3df970f | 2011-03-02 22:53:10 -0800 | [diff] [blame] | 112 | uint64_t |
| 113 | getSP() |
Ali Saidi | 081b6fe | 2009-07-27 00:53:39 -0700 | [diff] [blame] | 114 | { |
Gabe Black | 3df970f | 2011-03-02 22:53:10 -0800 | [diff] [blame] | 115 | return getRegVal(SP); |
Ali Saidi | 081b6fe | 2009-07-27 00:53:39 -0700 | [diff] [blame] | 116 | } |
| 117 | |
Ali Saidi | 081b6fe | 2009-07-27 00:53:39 -0700 | [diff] [blame] | 118 | std::ostream & outputStartState(std::ostream & os); |
| 119 | |
| 120 | }; |
| 121 | |
| 122 | #endif |
| 123 | |