First round of dead file removal

obsolete/breakpad/common/dwarf_cfi_to_module.h

-// -*- mode: c++ -*-
-
-// Copyright (c) 2010, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// Original author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com>
-
-// dwarf_cfi_to_module.h: Define the DwarfCFIToModule class, which
-// accepts parsed DWARF call frame info and adds it to a
-// google_breakpad::Module object, which can write that information to
-// a Breakpad symbol file.
-
-#ifndef COMMON_LINUX_DWARF_CFI_TO_MODULE_H
-#define COMMON_LINUX_DWARF_CFI_TO_MODULE_H
-
-#include <cassert>
-#include <string>
-#include <vector>
-
-#include "common/module.h"
-#include "common/dwarf/dwarf2reader.h"
-
-namespace google_breakpad {
-
-using dwarf2reader::CallFrameInfo;
-using google_breakpad::Module;
-using std::string;
-using std::vector;
-
-// A class that accepts parsed call frame information from the DWARF
-// CFI parser and populates a google_breakpad::Module object with the
-// contents.
-class DwarfCFIToModule: public CallFrameInfo::Handler {
- public:
-
-  // DwarfCFIToModule uses an instance of this class to report errors
-  // detected while converting DWARF CFI to Breakpad STACK CFI records.
-  class Reporter {
-   public:
-    // Create a reporter that writes messages to the standard error
-    // stream. FILE is the name of the file we're processing, and
-    // SECTION is the name of the section within that file that we're
-    // looking at (.debug_frame, .eh_frame, etc.).
-    Reporter(const string &file, const string &section)
-      : file_(file), section_(section) { }
-    virtual ~Reporter() { }
-
-    // The DWARF CFI entry at OFFSET cites register REG, but REG is not
-    // covered by the vector of register names passed to the
-    // DwarfCFIToModule constructor, nor does it match the return
-    // address column number for this entry.
-    virtual void UnnamedRegister(size_t offset, int reg);
-
-    // The DWARF CFI entry at OFFSET says that REG is undefined, but the
-    // Breakpad symbol file format cannot express this.
-    virtual void UndefinedNotSupported(size_t offset, const string &reg);
-
-    // The DWARF CFI entry at OFFSET says that REG uses a DWARF
-    // expression to find its value, but DwarfCFIToModule is not
-    // capable of translating DWARF expressions to Breakpad postfix
-    // expressions.
-    virtual void ExpressionsNotSupported(size_t offset, const string &reg);
-
-  protected:
-    string file_, section_;
-  };
-
-  // Create a handler for the dwarf2reader::CallFrameInfo parser that
-  // records the stack unwinding information it receives in MODULE.
-  //
-  // Use REGISTER_NAMES[I] as the name of register number I; *this
-  // keeps a reference to the vector, so the vector should remain
-  // alive for as long as the DwarfCFIToModule does.
-  //
-  // Use REPORTER for reporting problems encountered in the conversion
-  // process.
-  DwarfCFIToModule(Module *module, const vector<string> &register_names,
-                   Reporter *reporter)
-      : module_(module), register_names_(register_names), reporter_(reporter),
-        entry_(NULL), return_address_(-1) { }
-  virtual ~DwarfCFIToModule() { delete entry_; }
-
-  virtual bool Entry(size_t offset, uint64 address, uint64 length,
-                     uint8 version, const string &augmentation,
-                     unsigned return_address);
-  virtual bool UndefinedRule(uint64 address, int reg);
-  virtual bool SameValueRule(uint64 address, int reg);
-  virtual bool OffsetRule(uint64 address, int reg,
-                          int base_register, long offset);
-  virtual bool ValOffsetRule(uint64 address, int reg,
-                             int base_register, long offset);
-  virtual bool RegisterRule(uint64 address, int reg, int base_register);
-  virtual bool ExpressionRule(uint64 address, int reg,
-                              const string &expression);
-  virtual bool ValExpressionRule(uint64 address, int reg,
-                                 const string &expression);
-  virtual bool End();
-
- private:
-  // Return the name to use for register REG.
-  string RegisterName(int i);
-
-  // Record RULE for register REG at ADDRESS.
-  void Record(Module::Address address, int reg, const string &rule);
-
-  // The module to which we should add entries.
-  Module *module_;
-
-  // Map from register numbers to register names.
-  const vector<string> &register_names_;
-
-  // The reporter to use to report problems.
-  Reporter *reporter_;
-
-  // The current entry we're constructing.
-  Module::StackFrameEntry *entry_;
-
-  // The section offset of the current frame description entry, for
-  // use in error messages.
-  size_t entry_offset_;
-
-  // The return address column for that entry.
-  unsigned return_address_;
-};
-
-} // namespace google_breakpad
-
-#endif // COMMON_LINUX_DWARF_CFI_TO_MODULE_H