1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/toolkit/crashreporter/google-breakpad/src/common/arm_ex_to_module.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,126 @@
1.4 +
1.5 +/* libunwind - a platform-independent unwind library
1.6 + Copyright 2011 Linaro Limited
1.7 +
1.8 +This file is part of libunwind.
1.9 +
1.10 +Permission is hereby granted, free of charge, to any person obtaining
1.11 +a copy of this software and associated documentation files (the
1.12 +"Software"), to deal in the Software without restriction, including
1.13 +without limitation the rights to use, copy, modify, merge, publish,
1.14 +distribute, sublicense, and/or sell copies of the Software, and to
1.15 +permit persons to whom the Software is furnished to do so, subject to
1.16 +the following conditions:
1.17 +
1.18 +The above copyright notice and this permission notice shall be
1.19 +included in all copies or substantial portions of the Software.
1.20 +
1.21 +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
1.22 +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
1.23 +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
1.24 +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
1.25 +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
1.26 +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
1.27 +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
1.28 +
1.29 +// Copyright (c) 2010 Google Inc.
1.30 +// All rights reserved.
1.31 +//
1.32 +// Redistribution and use in source and binary forms, with or without
1.33 +// modification, are permitted provided that the following conditions are
1.34 +// met:
1.35 +//
1.36 +// * Redistributions of source code must retain the above copyright
1.37 +// notice, this list of conditions and the following disclaimer.
1.38 +// * Redistributions in binary form must reproduce the above
1.39 +// copyright notice, this list of conditions and the following disclaimer
1.40 +// in the documentation and/or other materials provided with the
1.41 +// distribution.
1.42 +// * Neither the name of Google Inc. nor the names of its
1.43 +// contributors may be used to endorse or promote products derived from
1.44 +// this software without specific prior written permission.
1.45 +//
1.46 +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1.47 +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
1.48 +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
1.49 +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
1.50 +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
1.51 +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
1.52 +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
1.53 +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
1.54 +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
1.55 +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
1.56 +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.57 +
1.58 +
1.59 +// Derived from libunwind, with extensive modifications.
1.60 +
1.61 +#ifndef COMMON_ARM_EX_TO_MODULE__
1.62 +#define COMMON_ARM_EX_TO_MODULE__
1.63 +
1.64 +#include "common/module.h"
1.65 +
1.66 +#include <string.h>
1.67 +
1.68 +namespace arm_ex_to_module {
1.69 +
1.70 +using google_breakpad::Module;
1.71 +
1.72 +typedef enum extab_cmd {
1.73 + ARM_EXIDX_CMD_FINISH,
1.74 + ARM_EXIDX_CMD_SUB_FROM_VSP,
1.75 + ARM_EXIDX_CMD_ADD_TO_VSP,
1.76 + ARM_EXIDX_CMD_REG_POP,
1.77 + ARM_EXIDX_CMD_REG_TO_SP,
1.78 + ARM_EXIDX_CMD_VFP_POP,
1.79 + ARM_EXIDX_CMD_WREG_POP,
1.80 + ARM_EXIDX_CMD_WCGR_POP,
1.81 + ARM_EXIDX_CMD_RESERVED,
1.82 + ARM_EXIDX_CMD_REFUSED,
1.83 +} extab_cmd_t;
1.84 +
1.85 +struct exidx_entry {
1.86 + uint32_t addr;
1.87 + uint32_t data;
1.88 +};
1.89 +
1.90 +struct extab_data {
1.91 + extab_cmd_t cmd;
1.92 + uint32_t data;
1.93 +};
1.94 +
1.95 +enum extab_cmd_flags {
1.96 + ARM_EXIDX_VFP_SHIFT_16 = 1 << 16,
1.97 + ARM_EXIDX_VFP_FSTMD = 1 << 17, // distinguishes FSTMxxD from FSTMxxX
1.98 +};
1.99 +
1.100 +static const char* const regnames[] = {
1.101 + "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
1.102 + "r8", "r9", "r10", "r11", "r12", "sp", "lr", "pc",
1.103 + "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
1.104 + "fps", "cpsr"
1.105 +};
1.106 +
1.107 +// Receives information from arm_ex_reader::ExceptionTableInfo
1.108 +// and adds it to the Module object
1.109 +class ARMExToModule {
1.110 + public:
1.111 + ARMExToModule(Module* module)
1.112 + : module_(module) { }
1.113 + ~ARMExToModule() { }
1.114 + void AddStackFrame(uintptr_t addr, size_t size);
1.115 + int ImproveStackFrame(const struct extab_data* edata);
1.116 + void DeleteStackFrame();
1.117 + void SubmitStackFrame();
1.118 + private:
1.119 + Module* module_;
1.120 + Module::StackFrameEntry* stack_frame_entry_;
1.121 + Module::Expr vsp_;
1.122 + int TranslateCmd(const struct extab_data* edata,
1.123 + Module::StackFrameEntry* entry,
1.124 + Module::Expr& vsp);
1.125 +};
1.126 +
1.127 +} // namespace arm_ex_to_module
1.128 +
1.129 +#endif // COMMON_ARM_EX_TO_MODULE__
