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// Copyright (c) 2006, 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.
// windows_frame_info.h: Holds debugging information about a stack frame.
//
// This structure is specific to Windows debugging information obtained
// from pdb files using the DIA API.
//
// Author: Mark Mentovai
#ifndef PROCESSOR_WINDOWS_FRAME_INFO_H__
#define PROCESSOR_WINDOWS_FRAME_INFO_H__
#include <string>
#include "google_breakpad/common/breakpad_types.h"
namespace google_breakpad {
struct WindowsFrameInfo {
public:
enum Validity {
VALID_NONE = 0,
VALID_PARAMETER_SIZE = 1,
VALID_ALL = -1
};
WindowsFrameInfo() : valid(VALID_NONE),
prolog_size(0),
epilog_size(0),
parameter_size(0),
saved_register_size(0),
local_size(0),
max_stack_size(0),
allocates_base_pointer(0),
program_string() {}
WindowsFrameInfo(u_int32_t set_prolog_size,
u_int32_t set_epilog_size,
u_int32_t set_parameter_size,
u_int32_t set_saved_register_size,
u_int32_t set_local_size,
u_int32_t set_max_stack_size,
int set_allocates_base_pointer,
const std::string set_program_string)
: valid(VALID_ALL),
prolog_size(set_prolog_size),
epilog_size(set_epilog_size),
parameter_size(set_parameter_size),
saved_register_size(set_saved_register_size),
local_size(set_local_size),
max_stack_size(set_max_stack_size),
allocates_base_pointer(set_allocates_base_pointer),
program_string(set_program_string) {}
// CopyFrom makes "this" WindowsFrameInfo object identical to "that".
void CopyFrom(const WindowsFrameInfo &that) {
valid = that.valid;
prolog_size = that.prolog_size;
epilog_size = that.epilog_size;
parameter_size = that.parameter_size;
saved_register_size = that.saved_register_size;
local_size = that.local_size;
max_stack_size = that.max_stack_size;
allocates_base_pointer = that.allocates_base_pointer;
program_string = that.program_string;
}
// Clears the WindowsFrameInfo object so that users will see it as though
// it contains no information.
void Clear() {
valid = VALID_NONE;
program_string.erase();
}
// Identifies which fields in the structure are valid. This is of
// type Validity, but it is defined as an int because it's not
// possible to OR values into an enumerated type. Users must check
// this field before using any other.
int valid;
// These values come from IDiaFrameData.
u_int32_t prolog_size;
u_int32_t epilog_size;
u_int32_t parameter_size;
u_int32_t saved_register_size;
u_int32_t local_size;
u_int32_t max_stack_size;
// Only one of allocates_base_pointer or program_string will be valid.
// If program_string is empty, use allocates_base_pointer.
bool allocates_base_pointer;
std::string program_string;
};
} // namespace google_breakpad
#endif // PROCESSOR_WINDOWS_FRAME_INFO_H__
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