include/wx/msw/crashrpt.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/msw/crashrpt.h
   3 // Purpose:     helpers for the structured exception handling (SEH) under Win32
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     13.07.2003
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwidgets.org>
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_MSW_CRASHRPT_H_
  13 #define _WX_MSW_CRASHRPT_H_
  14
  15 #include "wx/defs.h"
  16
  17 #if wxUSE_CRASHREPORT
  18
  19 struct _EXCEPTION_POINTERS;
  20
  21 // ----------------------------------------------------------------------------
  22 // crash report generation flags
  23 // ----------------------------------------------------------------------------
  24
  25 enum
  26 {
  27     // we always report where the crash occured
  28     wxCRASH_REPORT_LOCATION = 0,
  29
  30     // if this flag is given, the call stack is dumped
  31     //
  32     // this results in dump/crash report as small as possible, this is the
  33     // default flag
  34     wxCRASH_REPORT_STACK = 1,
  35
  36     // if this flag is given, the values of the local variables are dumped
  37     //
  38     // note that with the current implementation it requires dumping the full
  39     // process address space and so this will result in huge dump file and will
  40     // take some time to generate
  41     //
  42     // it's probably not a good idea to use this by default, start with default
  43     // mini dump and ask your users to set WX_CRASH_FLAGS environment variable
  44     // to 2 or 4 if you need more information in the dump
  45     wxCRASH_REPORT_LOCALS = 2,
  46
  47     // if this flag is given, the values of all global variables are dumped
  48     //
  49     // this creates a much larger mini dump than just wxCRASH_REPORT_STACK but
  50     // still much smaller than wxCRASH_REPORT_LOCALS one
  51     wxCRASH_REPORT_GLOBALS = 4,
  52
  53     // default is to create the smallest possible crash report
  54     wxCRASH_REPORT_DEFAULT = wxCRASH_REPORT_LOCATION | wxCRASH_REPORT_STACK
  55 };
  56
  57 // ----------------------------------------------------------------------------
  58 // wxCrashContext: information about the crash context
  59 // ----------------------------------------------------------------------------
  60
  61 struct WXDLLIMPEXP_BASE wxCrashContext
  62 {
  63     // initialize this object with the given information or from the current
  64     // global exception info which is only valid inside wxApp::OnFatalException
  65     wxCrashContext(_EXCEPTION_POINTERS *ep = NULL);
  66
  67     // get the name for this exception code
  68     wxString GetExceptionString() const;
  69
  70
  71     // exception code
  72     size_t code;
  73
  74     // exception address
  75     void *addr;
  76
  77     // machine-specific registers vaues
  78     struct
  79     {
  80 #ifdef __INTEL__
  81         wxInt32 eax, ebx, ecx, edx, esi, edi,
  82                 ebp, esp, eip,
  83                 cs, ds, es, fs, gs, ss,
  84                 flags;
  85 #endif // __INTEL__
  86     } regs;
  87 };
  88
  89 // ----------------------------------------------------------------------------
  90 // wxCrashReport: this class is used to create crash reports
  91 // ----------------------------------------------------------------------------
  92
  93 struct WXDLLIMPEXP_BASE wxCrashReport
  94 {
  95     // set the name of the file to which the report is written, it is
  96     // constructed from the .exe name by default
  97     static void SetFileName(const wxChar *filename);
  98
  99     // return the current file name
 100     static const wxChar *GetFileName();
 101
 102     // write the exception report to the file, return true if it could be done
 103     // or false otherwise
 104     //
 105     // if ep pointer is NULL, the global exception info which is valid only
 106     // inside wxApp::OnFatalException() is used
 107     static bool Generate(int flags = wxCRASH_REPORT_DEFAULT,
 108                          _EXCEPTION_POINTERS *ep = NULL);
 109
 110
 111     // generate a crash report from outside of wxApp::OnFatalException(), this
 112     // can be used to take "snapshots" of the program in wxApp::OnAssert() for
 113     // example
 114     static bool GenerateNow(int flags = wxCRASH_REPORT_DEFAULT);
 115 };
 116
 117 #endif // wxUSE_CRASHREPORT
 118
 119 #endif // _WX_MSW_CRASHRPT_H_
 120