* Added breakpad support for Linux.

thirdparty/breakpad/processor/windows_frame_info.h

@@ -0,0 +1,196 @@
+// 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.h>
+#include <stdlib.h>
+
+#include <string>
+#include <vector>
+
+#include "google_breakpad/common/breakpad_types.h"
+#include "processor/logging.h"
+#include "processor/tokenize.h"
+
+namespace google_breakpad {
+
+struct WindowsFrameInfo {
+ public:
+  enum Validity {
+    VALID_NONE           = 0,
+    VALID_PARAMETER_SIZE = 1,
+    VALID_ALL            = -1
+  };
+
+  // The types for stack_info_.  This is equivalent to MS DIA's
+  // StackFrameTypeEnum.  Each identifies a different type of frame
+  // information, although all are represented in the symbol file in the
+  // same format.  These are used as indices to the stack_info_ array.
+  enum StackInfoTypes {
+    STACK_INFO_FPO = 0,
+    STACK_INFO_TRAP,  // not used here
+    STACK_INFO_TSS,   // not used here
+    STACK_INFO_STANDARD,
+    STACK_INFO_FRAME_DATA,
+    STACK_INFO_LAST,  // must be the last sequentially-numbered item
+    STACK_INFO_UNKNOWN = -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) {}
+
+  // Parse a textual serialization of a WindowsFrameInfo object from
+  // a string. Returns NULL if parsing fails, or a new object
+  // otherwise. type, rva and code_size are present in the STACK line,
+  // but not the StackFrameInfo structure, so return them as outparams.
+  static WindowsFrameInfo *ParseFromString(const std::string string,
+                                           int &type,
+                                           u_int64_t &rva,
+                                           u_int64_t &code_size) {
+    // The format of a STACK WIN record is documented at: 
+    //
+    // http://code.google.com/p/google-breakpad/wiki/SymbolFiles
+
+    std::vector<char>  buffer;
+    StringToVector(string, buffer);
+    std::vector<char*> tokens;
+    if (!Tokenize(&buffer[0], " \r\n", 11, &tokens))
+      return NULL;
+
+    type = strtol(tokens[0], NULL, 16);
+    if (type < 0 || type > STACK_INFO_LAST - 1)
+      return NULL;
+
+    rva                           = strtoull(tokens[1],  NULL, 16);
+    code_size                     = strtoull(tokens[2],  NULL, 16);
+    u_int32_t prolog_size         =  strtoul(tokens[3],  NULL, 16);
+    u_int32_t epilog_size         =  strtoul(tokens[4],  NULL, 16);
+    u_int32_t parameter_size      =  strtoul(tokens[5],  NULL, 16);
+    u_int32_t saved_register_size =  strtoul(tokens[6],  NULL, 16);
+    u_int32_t local_size          =  strtoul(tokens[7],  NULL, 16);
+    u_int32_t max_stack_size      =  strtoul(tokens[8],  NULL, 16);
+    int has_program_string        =  strtoul(tokens[9], NULL, 16);
+
+    const char *program_string = "";
+    int allocates_base_pointer = 0;
+    if (has_program_string) {
+      program_string = tokens[10];
+    } else {
+      allocates_base_pointer = strtoul(tokens[10], NULL, 16);
+    }
+
+    return new WindowsFrameInfo(prolog_size,
+                                epilog_size,
+                                parameter_size,
+                                saved_register_size,
+                                local_size,
+                                max_stack_size,
+                                allocates_base_pointer,
+                                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__