The Tor Browser / file comparison
comparison: toolkit/crashreporter/google-breakpad/src/common/arm_ex_to_module.h
toolkit/crashreporter/google-breakpad/src/common/arm_ex_to_module.h
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
equal
deleted
inserted
replaced
| -1:000000000000 | 0:113ff871795e |
|---|---|
| 1 | |
| 2 /* libunwind - a platform-independent unwind library | |
| 3 Copyright 2011 Linaro Limited | |
| 4 | |
| 5 This file is part of libunwind. | |
| 6 | |
| 7 Permission is hereby granted, free of charge, to any person obtaining | |
| 8 a copy of this software and associated documentation files (the | |
| 9 "Software"), to deal in the Software without restriction, including | |
| 10 without limitation the rights to use, copy, modify, merge, publish, | |
| 11 distribute, sublicense, and/or sell copies of the Software, and to | |
| 12 permit persons to whom the Software is furnished to do so, subject to | |
| 13 the following conditions: | |
| 14 | |
| 15 The above copyright notice and this permission notice shall be | |
| 16 included in all copies or substantial portions of the Software. | |
| 17 | |
| 18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
| 19 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
| 20 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
| 21 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE | |
| 22 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION | |
| 23 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION | |
| 24 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ | |
| 25 | |
| 26 // Copyright (c) 2010 Google Inc. | |
| 27 // All rights reserved. | |
| 28 // | |
| 29 // Redistribution and use in source and binary forms, with or without | |
| 30 // modification, are permitted provided that the following conditions are | |
| 31 // met: | |
| 32 // | |
| 33 // * Redistributions of source code must retain the above copyright | |
| 34 // notice, this list of conditions and the following disclaimer. | |
| 35 // * Redistributions in binary form must reproduce the above | |
| 36 // copyright notice, this list of conditions and the following disclaimer | |
| 37 // in the documentation and/or other materials provided with the | |
| 38 // distribution. | |
| 39 // * Neither the name of Google Inc. nor the names of its | |
| 40 // contributors may be used to endorse or promote products derived from | |
| 41 // this software without specific prior written permission. | |
| 42 // | |
| 43 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 44 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 45 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 46 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 47 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 48 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 49 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 50 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 51 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 52 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 53 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 54 | |
| 55 | |
| 56 // Derived from libunwind, with extensive modifications. | |
| 57 | |
| 58 #ifndef COMMON_ARM_EX_TO_MODULE__ | |
| 59 #define COMMON_ARM_EX_TO_MODULE__ | |
| 60 | |
| 61 #include "common/module.h" | |
| 62 | |
| 63 #include <string.h> | |
| 64 | |
| 65 namespace arm_ex_to_module { | |
| 66 | |
| 67 using google_breakpad::Module; | |
| 68 | |
| 69 typedef enum extab_cmd { | |
| 70 ARM_EXIDX_CMD_FINISH, | |
| 71 ARM_EXIDX_CMD_SUB_FROM_VSP, | |
| 72 ARM_EXIDX_CMD_ADD_TO_VSP, | |
| 73 ARM_EXIDX_CMD_REG_POP, | |
| 74 ARM_EXIDX_CMD_REG_TO_SP, | |
| 75 ARM_EXIDX_CMD_VFP_POP, | |
| 76 ARM_EXIDX_CMD_WREG_POP, | |
| 77 ARM_EXIDX_CMD_WCGR_POP, | |
| 78 ARM_EXIDX_CMD_RESERVED, | |
| 79 ARM_EXIDX_CMD_REFUSED, | |
| 80 } extab_cmd_t; | |
| 81 | |
| 82 struct exidx_entry { | |
| 83 uint32_t addr; | |
| 84 uint32_t data; | |
| 85 }; | |
| 86 | |
| 87 struct extab_data { | |
| 88 extab_cmd_t cmd; | |
| 89 uint32_t data; | |
| 90 }; | |
| 91 | |
| 92 enum extab_cmd_flags { | |
| 93 ARM_EXIDX_VFP_SHIFT_16 = 1 << 16, | |
| 94 ARM_EXIDX_VFP_FSTMD = 1 << 17, // distinguishes FSTMxxD from FSTMxxX | |
| 95 }; | |
| 96 | |
| 97 static const char* const regnames[] = { | |
| 98 "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", | |
| 99 "r8", "r9", "r10", "r11", "r12", "sp", "lr", "pc", | |
| 100 "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", | |
| 101 "fps", "cpsr" | |
| 102 }; | |
| 103 | |
| 104 // Receives information from arm_ex_reader::ExceptionTableInfo | |
| 105 // and adds it to the Module object | |
| 106 class ARMExToModule { | |
| 107 public: | |
| 108 ARMExToModule(Module* module) | |
| 109 : module_(module) { } | |
| 110 ~ARMExToModule() { } | |
| 111 void AddStackFrame(uintptr_t addr, size_t size); | |
| 112 int ImproveStackFrame(const struct extab_data* edata); | |
| 113 void DeleteStackFrame(); | |
| 114 void SubmitStackFrame(); | |
| 115 private: | |
| 116 Module* module_; | |
| 117 Module::StackFrameEntry* stack_frame_entry_; | |
| 118 Module::Expr vsp_; | |
| 119 int TranslateCmd(const struct extab_data* edata, | |
| 120 Module::StackFrameEntry* entry, | |
| 121 Module::Expr& vsp); | |
| 122 }; | |
| 123 | |
| 124 } // namespace arm_ex_to_module | |
| 125 | |
| 126 #endif // COMMON_ARM_EX_TO_MODULE__ |
