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org-hyperion-cules/bootstrap.c
Fish (David B. Trout) 2cadc2d60c (remove silly sysblk.daemon mode check in bootstrap) 
"impl()" function hasn't even been called yet, and thus no command line option have been parsed yet either, so it's stupid to be checking sysblk fields/flags! Duh!
2023-06-11 10:59:42 -07:00

886 lines
30 KiB
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/* BOOTSTRAP.C (C) Copyright Ivan Warren, 2003-2012 */
/* (C) Copyright "Fish" (David B. Trout), 2005-2012 */
/* Hercules executable main module */
/* */
/* Released under "The Q Public License Version 1" */
/* (http://www.hercules-390.org/herclic.html) as modifications to */
/* Hercules. */
/*-------------------------------------------------------------------*/
/* This module is the initial entry point of the Hercules emulator. */
/* The main() function performs platform-specific functions before */
/* calling the impl function which launches the emulator. */
/*-------------------------------------------------------------------*/
#include "hstdinc.h"
#include "hercules.h"
#include "cckd.h"
#include "cckddasd.h"
#if !defined( _MSVC_ )
struct termios stdin_attrs = {0}; // (saved stdin term settings)
struct termios stdout_attrs = {0}; // (saved stdout term settings)
struct termios stderr_attrs = {0}; // (saved stderr term settings)
static void save_term_attrs()
{
tcgetattr( STDIN_FILENO, &stdin_attrs );
tcgetattr( STDOUT_FILENO, &stdout_attrs );
tcgetattr( STDERR_FILENO, &stderr_attrs );
}
static void restore_term_attrs()
{
tcsetattr( STDIN_FILENO, TCSANOW, &stdin_attrs );
tcsetattr( STDOUT_FILENO, TCSANOW, &stdout_attrs );
tcsetattr( STDERR_FILENO, TCSANOW, &stderr_attrs );
}
#if defined( HAVE_SIGNAL_HANDLING )
int crash_signo = -1; // Saved signal number of crash
struct sigaction sa_CRASH = {0}; // (for catching exceptions)
struct sigaction sa_SIGFPE = {0}; // (original SIGFPE action)
struct sigaction sa_SIGILL = {0}; // (original SIGILL action)
struct sigaction sa_SIGSEGV = {0}; // (original SIGSEGV action)
#if defined( HAVE_DECL_SIGBUS ) && HAVE_DECL_SIGBUS
struct sigaction sa_SIGBUS = {0}; // (original SIGBUS action)
#endif
static void crash_signal_handler( int signo );
static void install_crash_handler()
{
/* Install our crash signal handler */
sa_CRASH.sa_handler = &crash_signal_handler;
sigaction( SIGFPE, &sa_CRASH, &sa_SIGFPE );
sigaction( SIGILL, &sa_CRASH, &sa_SIGILL );
sigaction( SIGSEGV, &sa_CRASH, &sa_SIGSEGV );
#if defined( HAVE_DECL_SIGBUS ) && HAVE_DECL_SIGBUS
sigaction( SIGBUS, &sa_CRASH, &sa_SIGBUS );
#endif
}
static void uninstall_crash_handler()
{
/* Restore original signal handlers */
sigaction( SIGFPE, &sa_SIGFPE, 0 );
sigaction( SIGILL, &sa_SIGILL, 0 );
sigaction( SIGSEGV, &sa_SIGSEGV, 0 );
#if defined( HAVE_DECL_SIGBUS ) && HAVE_DECL_SIGBUS
sigaction( SIGBUS, &sa_SIGBUS, 0 );
#endif
}
static void log_crashed_msg( FILE* stream )
{
fprintf
(
stream,
"\n"
"\n"
"\n"
" +++ OOPS! +++\n"
"\n"
"Hercules has crashed! (%s)\n"
"\n"
, strsignal( crash_signo )
);
if (sysblk.ulimit_unlimited)
fprintf
(
stream,
"Creating crash dump... This will take a while...\n"
"\n"
);
else
fprintf
(
stream,
"Crash dump NOT created due to ulimit setting...\n"
"\n"
);
fflush( stream );
}
static void crash_signal_handler( int signo )
{
crash_signo = signo;
uninstall_crash_handler();
restore_term_attrs();
log_crashed_msg( stderr );
log_crashed_msg( stdout );
}
#endif /* defined( HAVE_SIGNAL_HANDLING ) */
/*-------------------------------------------------------------------*/
/* */
/* For Unix-like platforms, the main() function: */
/* */
/* - Installs a crash handler if signal handling is available */
/* - Sets the privilege level */
/* - Initializes the LIBTOOL environment */
/* - Passes control to the impl() function in impl.c */
/* */
/*-------------------------------------------------------------------*/
int main( int ac, char* av[] )
{
int rc = 0;
save_term_attrs();
DROP_PRIVILEGES( CAP_SYS_NICE );
SET_THREAD_NAME( BOOTSTRAP_NAME );
#if defined( HDL_USE_LIBTOOL )
LTDL_SET_PRELOADED_SYMBOLS();
#endif
#if defined( HAVE_SIGNAL_HANDLING )
install_crash_handler();
#endif
rc = impl( ac, av );
restore_term_attrs();
return rc;
}
#else // defined( _MSVC_ )
/*-------------------------------------------------------------------*/
/* */
/* For Windows platforms, the main() function: */
/* */
/* - Disables the standard CRT invalid parameter handler */
/* - Requests a minimum resolution for periodic timers */
/* - Sets up an exception trap */
/* - Passes control to the impl() function in impl.c */
/* */
/* The purpose of the exception trap is to call a function which */
/* will create a minidump in the event of a Hercules crash (which */
/* can then be analyzed offline to determine where Herc crashed). */
/* */
/*-------------------------------------------------------------------*/
/* */
/* */
/* **--------------------------------------** */
/* ** IMPORTANT! PLEASE NOTE! ** */
/* **--------------------------------------** */
/* */
/* */
/* Without a compatible version of DbgHelp.dll to use, the below */
/* exception handling logic accomplishes absolutely *NOTHING*! */
/* */
/* The below exception handling requires DbgHelp.dll version 6.1 */
/* or greater. Windows XP is known to ship a version of DbgHelp */
/* that is too old (version 5.1). Hercules *SHOULD* be shipping */
/* DbgHelp.DLL as part of its distribution. The latest version */
/* of the DbgHelp redistributable DLL can be downloaded as part */
/* of Microsoft's "Debugging Tools for Windows" package at the */
/* following URLs: */
/* */
/* http://msdn.microsoft.com/en-us/library/ms679294(VS.85).aspx */
/* http://go.microsoft.com/FWLink/?LinkId=84137 */
/* http://www.microsoft.com/whdc/devtools/debugging/default.mspx */
/* */
/* */
/* ** NOTE ** */
/* */
/* The DbgHelp.dll that ships in Windows is *NOT* redistributable! */
/* The "Debugging Tools for Windows" DbgHelp *IS* redistributable! */
/* */
/*-------------------------------------------------------------------*/
#pragma optimize( "", off ) // (this code should NOT be optimized!)
typedef BOOL (MINIDUMPWRITEDUMPFUNC)
(
HANDLE hProcess,
DWORD ProcessId,
HANDLE hDumpFile,
MINIDUMP_TYPE DumpType,
PMINIDUMP_EXCEPTION_INFORMATION ExceptionParam,
PMINIDUMP_USER_STREAM_INFORMATION UserStreamParam,
PMINIDUMP_CALLBACK_INFORMATION CallbackParam
);
static MINIDUMPWRITEDUMPFUNC* g_pfnMiniDumpWriteDumpFunc = NULL;
static HMODULE g_hDbgHelpDll = NULL;
///////////////////////////////////////////////////////////////////////////////
// Global string buffers to prevent C4748 warning: "/GS can not protect
// parameters and local variables from local buffer overrun because
// optimizations are disabled in function"
static WCHAR g_wszHercDrive [ 4 * _MAX_DRIVE ] = {0};
static WCHAR g_wszHercDir [ 4 * _MAX_DIR ] = {0};
static WCHAR g_wszFileDir [ 4 * _MAX_DIR ] = {0};
static WCHAR g_wszHercPath [ 4 * _MAX_PATH ] = {0};
static WCHAR g_wszDumpPath [ 4 * _MAX_PATH ] = {0};
static WCHAR g_wszFileName [ 4 * _MAX_FNAME ] = {0};
static TCHAR g_szSaveTitle[ 512 ] = {0};
static LPCTSTR g_pszTempTitle = _T("{98C1C303-2A9E-11d4-9FF5-0060677l8D04}");
static int g_itracen = 0; // (saved cckdblk.itracen value)
///////////////////////////////////////////////////////////////////////////////
// (forward references)
static LONG WINAPI HerculesUnhandledExceptionFilter( EXCEPTION_POINTERS* pExceptionPtrs );
static void ProcessException( EXCEPTION_POINTERS* pExceptionPtrs );
static BOOL CreateMiniDump( EXCEPTION_POINTERS* pExceptionPtrs );
static void BuildUserStreams( MINIDUMP_USER_STREAM_INFORMATION* pMDUSI );
static BOOL IsDataSectionNeeded( const WCHAR* pwszModuleName );
static BOOL CALLBACK MyMiniDumpCallback
(
PVOID pParam,
const PMINIDUMP_CALLBACK_INPUT pInput,
PMINIDUMP_CALLBACK_OUTPUT pOutput
);
static HWND FindConsoleHandle();
///////////////////////////////////////////////////////////////////////////////
// MessageBoxTimeout API support...
#include <winuser.h> // (need WINUSERAPI)
#pragma comment(lib,"user32.lib") // (need user32.dll)
#ifndef MB_TIMEDOUT
#define MB_TIMEDOUT 32000 // (timed out return code)
#endif
#if defined( _UNICODE ) || defined( UNICODE )
int WINAPI MessageBoxTimeoutW ( IN HWND hWnd, IN LPCWSTR lpText, IN LPCWSTR lpCaption,
IN UINT uType, IN WORD wLanguageId, IN DWORD dwMilliseconds );
#define MessageBoxTimeout MessageBoxTimeoutW
#else // not unicode
int WINAPI MessageBoxTimeoutA ( IN HWND hWnd, IN LPCSTR lpText, IN LPCSTR lpCaption,
IN UINT uType, IN WORD wLanguageId, IN DWORD dwMilliseconds );
#define MessageBoxTimeout MessageBoxTimeoutA
#endif // unicode or not
///////////////////////////////////////////////////////////////////////////////
#include <Mmsystem.h> // (timeBeginPeriod, timeEndPeriod)
#pragma comment( lib, "Winmm" ) // (timeBeginPeriod, timeEndPeriod)
int main( int ac, char* av[] )
{
int rc = 0;
SET_THREAD_NAME( BOOTSTRAP_NAME );
// Disable default invalid crt parameter handling
DISABLE_CRT_INVALID_PARAMETER_HANDLER();
// Request the highest possible time-interval accuracy...
timeBeginPeriod( 1 ); // (one millisecond time interval accuracy)
// If we're being debugged, then let the debugger
// catch the exception. Otherwise, let our exception
// handler catch it...
if (!IsDebuggerPresent())
{
// Normal panel mode?
if (/*!sysblk.daemon_mode &&*/ isatty( STDERR_FILENO ))
{
// Then disable the [x] Close button for safety
EnableMenuItem( GetSystemMenu( FindConsoleHandle(), FALSE ),
SC_CLOSE, MF_BYCOMMAND | MF_GRAYED );
}
// Load the debugging helper library...
if (1
&& (g_hDbgHelpDll = LoadLibrary(_T("DbgHelp.dll")))
&& (g_pfnMiniDumpWriteDumpFunc = (MINIDUMPWRITEDUMPFUNC*)
GetProcAddress( g_hDbgHelpDll, _T("MiniDumpWriteDump")))
)
{
GetModuleFileNameW( NULL, g_wszHercPath, _countof( g_wszHercPath ) );
_wsplitpath( g_wszHercPath, g_wszHercDrive, g_wszHercDir, NULL, NULL );
}
// Enable exception handling...
SetUnhandledExceptionFilter( HerculesUnhandledExceptionFilter );
SetErrorMode( SEM_NOGPFAULTERRORBOX );
}
rc = impl(ac,av); // (Hercules, do your thing!)
// Each call to "timeBeginPeriod" must be matched with a call to "timeEndPeriod"
timeEndPeriod( 1 ); // (no longer care about accurate time intervals)
if (!IsDebuggerPresent())
{
// Normal panel mode?
if (!sysblk.daemon_mode && isatty( STDERR_FILENO ))
{
// Re-enable the [x] Close button
EnableMenuItem( GetSystemMenu( FindConsoleHandle(), FALSE ),
SC_CLOSE, MF_BYCOMMAND | MF_ENABLED );
}
}
return rc;
}
///////////////////////////////////////////////////////////////////////////////
// Hercules unhandled exception filter...
#include <Wincon.h> // (need SetConsoleMode, etc)
#pragma optimize( "", off )
static LONG WINAPI HerculesUnhandledExceptionFilter( EXCEPTION_POINTERS* pExceptionPtrs )
{
static BOOL bDidThis = FALSE; // (if we did this once already)
if (bDidThis)
return EXCEPTION_EXECUTE_HANDLER; // (quick exit to prevent loop)
bDidThis = TRUE;
SetErrorMode( 0 ); // (reset back to default handling)
// Stop CCKD tracing right away to preserve existing trace entries
g_itracen = cckdblk.itracen; // (save existing value)
cckdblk.itracen = 0; // (set table size to 0)
// Is an external GUI in control?
if (sysblk.daemon_mode)
{
fflush( stdout );
fflush( stderr );
_ftprintf( stderr, _T("]!OOPS!\n") ); // (external GUI pre-processing...)
fflush( stdout );
fflush( stderr );
Sleep( 10 );
}
else
{
// Normal panel mode: reset console mode and clear the screen...
DWORD dwCellsWritten;
CONSOLE_SCREEN_BUFFER_INFO csbi;
HANDLE hStdIn, hStdErr;
COORD ptConsole = { 0, 0 };
EnableMenuItem( GetSystemMenu( FindConsoleHandle(), FALSE ),
SC_CLOSE, MF_BYCOMMAND | MF_ENABLED );
hStdIn = GetStdHandle( STD_INPUT_HANDLE );
hStdErr = GetStdHandle( STD_ERROR_HANDLE );
#define DEFAULT_CONSOLE_ATTRIBUTES (0 \
| FOREGROUND_RED \
| FOREGROUND_GREEN \
| FOREGROUND_BLUE \
)
/* FIXME these are defined in SDK V6+ */
#ifndef ENABLE_INSERT_MODE
#define ENABLE_INSERT_MODE 0
#endif
#ifndef ENABLE_QUICK_EDIT_MODE
#define ENABLE_QUICK_EDIT_MODE 0
#endif
#define DEFAULT_CONSOLE_INPUT_MODE (0 \
| ENABLE_ECHO_INPUT \
| ENABLE_INSERT_MODE \
| ENABLE_LINE_INPUT \
| ENABLE_MOUSE_INPUT \
| ENABLE_PROCESSED_INPUT \
| ENABLE_QUICK_EDIT_MODE \
)
#define DEFAULT_CONSOLE_OUTPUT_MODE (0 \
| ENABLE_PROCESSED_OUTPUT \
| ENABLE_WRAP_AT_EOL_OUTPUT \
)
SetConsoleTextAttribute( hStdErr, DEFAULT_CONSOLE_ATTRIBUTES );
SetConsoleMode ( hStdIn, DEFAULT_CONSOLE_INPUT_MODE );
SetConsoleMode ( hStdErr, DEFAULT_CONSOLE_OUTPUT_MODE );
GetConsoleScreenBufferInfo( hStdErr, &csbi );
FillConsoleOutputCharacter( hStdErr, ' ', csbi.dwSize.X * csbi.dwSize.Y, ptConsole, &dwCellsWritten );
GetConsoleScreenBufferInfo( hStdErr, &csbi );
FillConsoleOutputAttribute( hStdErr, csbi.wAttributes, csbi.dwSize.X * csbi.dwSize.Y, ptConsole, &dwCellsWritten );
SetConsoleCursorPosition ( hStdErr, ptConsole );
fflush( stdout );
fflush( stderr );
Sleep( 10 );
}
_tprintf( _T("\n\n") );
_tprintf( _T(" ***************\n") );
_tprintf( _T(" * OOPS! *\n") );
_tprintf( _T(" ***************\n") );
_tprintf( _T("\n") );
_tprintf( _T(" Hercules has crashed!\n") );
_tprintf( _T("\n") );
_tprintf( _T("(you may or may not need to press ENTER if no 'oops!' dialog-box appears)\n") );
_tprintf( _T("\n") );
fflush( stdout );
fflush( stderr );
Sleep( 10 );
ProcessException( pExceptionPtrs ); // (create a minidump, if possible)
fflush( stdout );
fflush( stderr );
Sleep( 10 );
timeEndPeriod( 1 ); // (reset to default time interval)
return EXCEPTION_EXECUTE_HANDLER; // (quite likely exits the process)
}
///////////////////////////////////////////////////////////////////////////////
static HWND FindConsoleHandle()
{
HWND hWnd;
if (!GetConsoleTitle( g_szSaveTitle, _countof( g_szSaveTitle )))
return NULL;
if (!SetConsoleTitle( g_pszTempTitle ))
return NULL;
Sleep(20);
hWnd = FindWindow( NULL, g_pszTempTitle );
SetConsoleTitle( g_szSaveTitle );
return hWnd;
}
///////////////////////////////////////////////////////////////////////////////
#define USE_MSGBOX_TIMEOUT // (to force default = yes take a minidump)
#ifdef USE_MSGBOX_TIMEOUT
#define MESSAGEBOX MessageBoxTimeout
#else
#define MESSAGEBOX MessageBox
#endif
///////////////////////////////////////////////////////////////////////////////
static inline int MsgBox( HWND hWnd, LPCTSTR pszText, LPCTSTR pszCaption,
UINT uType, WORD wLanguageId, DWORD dwMilliseconds )
{
return MESSAGEBOX( hWnd, pszText, pszCaption, uType
#ifdef USE_MSGBOX_TIMEOUT
, wLanguageId
, dwMilliseconds
#endif
);
}
///////////////////////////////////////////////////////////////////////////////
// Create a minidump
static void ProcessException( EXCEPTION_POINTERS* pExceptionPtrs )
{
int rc;
UINT uiMBFlags =
0
| MB_SYSTEMMODAL
| MB_TOPMOST
| MB_SETFOREGROUND
;
HWND hwndMBOwner = FindConsoleHandle();
if (!hwndMBOwner || !IsWindowVisible(hwndMBOwner))
hwndMBOwner = GetDesktopWindow();
if ( !g_pfnMiniDumpWriteDumpFunc )
{
MsgBox
(
hwndMBOwner,
_T("The creation of a crash dump for analysis by the Hercules ")
_T("development team is NOT possible\nbecause the required 'DbgHelp.dll' ")
_T("is missing or is not installed or was otherwise not located.")
,_T("OOPS! Hercules has crashed!"),
uiMBFlags
| MB_ICONERROR
| MB_OK
,0 // (default/neutral language)
,(15 * 1000) // (timeout == 15 seconds)
);
return;
}
if ( IDYES == ( rc = MsgBox
(
hwndMBOwner,
_T("The creation of a crash dump for further analysis by ")
_T("the Hercules development team is strongly suggested.\n\n")
_T("Would you like to create a crash dump for ")
_T("the Hercules development team to analyze?")
,_T("OOPS! Hercules has crashed!"),
uiMBFlags
| MB_ICONERROR
| MB_YESNO
,0 // (default/neutral language)
,(10 * 1000) // (timeout == 10 seconds)
))
|| MB_TIMEDOUT == rc
)
{
if ( CreateMiniDump( pExceptionPtrs ) && MB_TIMEDOUT != rc )
{
MsgBox
(
hwndMBOwner,
_T("Please send the dump to the Hercules development team for analysis.")
,_T("Dump Complete"),
uiMBFlags
| MB_ICONEXCLAMATION
| MB_OK
,0 // (default/neutral language)
,(5 * 1000) // (timeout == 5 seconds)
);
}
}
}
///////////////////////////////////////////////////////////////////////////////
// The following CreateMiniDump functions are based on
// Oleg Starodumov's sample at http://www.debuginfo.com
static BOOL CreateMiniDump( EXCEPTION_POINTERS* pExceptionPtrs )
{
BOOL bSuccess = FALSE;
HANDLE hDumpFile;
_wmakepath( g_wszDumpPath, g_wszHercDrive, g_wszHercDir, L"Hercules", L".dmp" );
_tprintf( _T("Creating crash dump \"%ls\"...\n\n"), g_wszDumpPath );
_tprintf( _T("Please wait; this may take a few minutes...\n\n") );
_tprintf( _T("(another message will appear when the dump is complete)\n\n") );
hDumpFile = CreateFileW
(
g_wszDumpPath,
GENERIC_WRITE,
0, NULL, CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL, NULL
);
if ( hDumpFile && INVALID_HANDLE_VALUE != hDumpFile )
{
// Create the minidump
MINIDUMP_EXCEPTION_INFORMATION mdei;
MINIDUMP_USER_STREAM_INFORMATION mdusi;
MINIDUMP_CALLBACK_INFORMATION mci;
MINIDUMP_TYPE mdt;
BuildUserStreams( &mdusi );
mdei.ThreadId = GetCurrentThreadId();
mdei.ExceptionPointers = pExceptionPtrs;
mdei.ClientPointers = FALSE;
mci.CallbackRoutine = (MINIDUMP_CALLBACK_ROUTINE) MyMiniDumpCallback;
mci.CallbackParam = 0;
// Ref: "EFFECTIVE MINIDUMPS"
// http://www.debuginfo.com/articles/effminidumps.html
// http://www.debuginfo.com/articles/effminidumps2.html
mdt = (MINIDUMP_TYPE)
(0
| MiniDumpWithPrivateReadWriteMemory // Needed to also dump heap
| MiniDumpWithIndirectlyReferencedMemory // Dump portions of the heap
// only if referenced in stack
| MiniDumpWithDataSegs // Include global variables
| MiniDumpWithHandleData // Dump all file handles too
| MiniDumpWithUnloadedModules // Tell us about unloaded DLLs
);
bSuccess = g_pfnMiniDumpWriteDumpFunc( GetCurrentProcess(), GetCurrentProcessId(),
hDumpFile, mdt, (pExceptionPtrs != 0) ? &mdei : 0, &mdusi, &mci );
CloseHandle( hDumpFile );
if ( bSuccess )
{
_tprintf( _T("\nDump \"%ls\" created.\n\n"
"Please forward the dump to the Hercules team for analysis.\n\n"),
g_wszDumpPath );
}
else
_tprintf( _T("\nMiniDumpWriteDump failed! Error: %u\n\n"), GetLastError() );
}
else
{
_tprintf( _T("\nCreateFile failed! Error: %u\n\n"), GetLastError() );
}
return bSuccess;
}
///////////////////////////////////////////////////////////////////////////////
// Build User Stream Arrays...
#define MAX_MINIDUMP_USER_STREAMS (1024) // (just an arbitrary value)
#define NUM_CCKD_TRACE_STRINGS (64) // (EACH STRING is one stream)
#define NUM_LOGFILE_MESSAGES (1024) // (counts as ONE big stream)
#define MAX_STREAM_BUFFERSIZE (256) // (max CommentStreamA length)
static MINIDUMP_USER_STREAM UserStreamArray [ MAX_MINIDUMP_USER_STREAMS ];
static ULONG StreamBufferSize( size_t len )
{
return (ULONG) (len < MAX_STREAM_BUFFERSIZE ? len : MAX_STREAM_BUFFERSIZE);
}
#define BUILD_SYSBLK_USER_STREAM( sysblk_xxx ) \
\
for (pstr = sysblk_xxx; \
*pstr && StreamNum < MAX_MINIDUMP_USER_STREAMS; ++pstr, ++StreamNum) \
{ \
UserStreamArray[ StreamNum ].Type = CommentStreamA; \
UserStreamArray[ StreamNum ].Buffer = (PVOID) *pstr; \
UserStreamArray[ StreamNum ].BufferSize = StreamBufferSize( strlen( *pstr ) + 1 ); \
}
static void BuildUserStreams( MINIDUMP_USER_STREAM_INFORMATION* pMDUSI )
{
const char** pstr;
ULONG StreamNum = 0;
_ASSERTE( pMDUSI );
pMDUSI->UserStreamArray = UserStreamArray;
// Save version information
BUILD_SYSBLK_USER_STREAM( sysblk.vers_info );
BUILD_SYSBLK_USER_STREAM( sysblk.bld_opts );
BUILD_SYSBLK_USER_STREAM( sysblk.extpkg_vers );
// Save whether Hercules is running in "elevated" mode or not
if (StreamNum < MAX_MINIDUMP_USER_STREAMS)
{
static char buf[64] = {0};
const char* severity = NULL;
const char* is_or_not = NULL;
bool evelated = false;
evelated = are_elevated();
severity = evelated ? "I" : "W";
is_or_not = evelated ? "" : "NOT ";
// "Hercules is %srunning in elevated mode"
MSGBUF( buf, MSG_C( HHC00018, severity, is_or_not ));
UserStreamArray[ StreamNum ].Type = CommentStreamA;
UserStreamArray[ StreamNum ].Buffer = (PVOID) buf;
UserStreamArray[ StreamNum ].BufferSize = StreamBufferSize( strlen( (const char*) buf ) + 1 );
StreamNum++;
}
// Save last few entries of CCKD internal trace table
if (1
&& StreamNum < MAX_MINIDUMP_USER_STREAMS
&& g_itracen && cckdblk.itrace // (do we have a table?)
)
{
// itrace ptr to beginning of table (first entry)
// itracep ptr to "current" entry" (ptr to the entry that
// should be used next, i.e. the "oldest" entry)
// itracex ptr to end of table (i.e. points to the entry
// just PAST the very last entry in the table)
// itracen the number of entries there are in the table
// itracec how many of those entries are actively in use
int i, k = min( NUM_CCKD_TRACE_STRINGS, cckdblk.itracec );
CCKD_ITRACE* p = cckdblk.itracep;
// Backup 'k' entries... (note pointer arithmetic)
for (i=0; i < k; ++i)
if (--p < cckdblk.itrace)
p = cckdblk.itracex - 1;
// Dump 'k' entries starting from there...
for (i=0; i < k && StreamNum < MAX_MINIDUMP_USER_STREAMS; ++i, ++p, ++StreamNum)
{
if (p >= cckdblk.itracex)
p = cckdblk.itrace;
UserStreamArray[ StreamNum ].Type = CommentStreamA;
UserStreamArray[ StreamNum ].Buffer = (PVOID) p;
UserStreamArray[ StreamNum ].BufferSize = StreamBufferSize( strlen( (const char*) p ) + 1 );
}
}
// Save last few log messages
if (StreamNum < MAX_MINIDUMP_USER_STREAMS)
{
char* logbuf_ptr;
int logbuf_idx;
int logbuf_bytes;
logbuf_idx = log_line( NUM_LOGFILE_MESSAGES );
if ((logbuf_bytes = log_read( &logbuf_ptr, &logbuf_idx, LOG_NOBLOCK )) > 0)
{
UserStreamArray[ StreamNum ].Type = CommentStreamA;
UserStreamArray[ StreamNum ].Buffer = (PVOID) logbuf_ptr;
UserStreamArray[ StreamNum ].BufferSize = StreamBufferSize( logbuf_bytes - 1 );
StreamNum++;
}
}
pMDUSI->UserStreamCount = StreamNum;
}
///////////////////////////////////////////////////////////////////////////////
// Custom minidump callback
static BOOL CALLBACK MyMiniDumpCallback
(
PVOID pParam,
const PMINIDUMP_CALLBACK_INPUT pInput,
PMINIDUMP_CALLBACK_OUTPUT pOutput
)
{
BOOL bRet = FALSE; // (default unless we decide otherwise)
if ( !pInput || !pOutput )
return FALSE;
switch ( pInput->CallbackType )
{
case IncludeModuleCallback:
{
// Include the module into the dump
bRet = TRUE;
}
break;
case IncludeThreadCallback:
{
// Include the thread into the dump
bRet = TRUE;
}
break;
case ModuleCallback:
{
// Are data sections available for this module ?
if ( pOutput->ModuleWriteFlags & ModuleWriteDataSeg )
{
// Yes, but do we really need them?
if ( !IsDataSectionNeeded( pInput->Module.FullPath ) )
pOutput->ModuleWriteFlags &= (~ModuleWriteDataSeg);
}
bRet = TRUE;
}
break;
case ThreadCallback:
{
// Include all thread information into the minidump
bRet = TRUE;
}
break;
case ThreadExCallback:
{
// Include this information
bRet = TRUE;
}
break;
//-------------------------------------------------------------
//
// PROGRAMMING NOTE
//
// MemoryCallback is defined only for DbgHelp > 6.1. Since we
// were returning FALSE for this callback anyway (which is our
// default), it was commented out altogether.
//
// This ensures our callback function will operate correctly
// even with future versions of DbgHelp DLL.
//
// -- Ivan
//
//-------------------------------------------------------------
// case MemoryCallback:
// {
// // We do not include any information here -> return FALSE
// bRet = FALSE;
// }
// break;
// Following default block added by ISW 2005/05/06
default:
{
// Do not return any information for
// any unrecognized callback types.
bRet = FALSE;
}
break;
}
return bRet;
}
///////////////////////////////////////////////////////////////////////////////
// This function determines whether we need data sections of the given module
static BOOL IsDataSectionNeeded( const WCHAR* pwszModuleName )
{
BOOL bNeeded = FALSE;
_ASSERTE( pwszModuleName );
_wsplitpath( pwszModuleName, NULL, g_wszFileDir, g_wszFileName, NULL );
if ( _wcsicmp( g_wszFileName, L"ntdll" ) == 0 )
{
bNeeded = TRUE;
}
else if ( _wcsicmp( g_wszFileDir, g_wszHercDir ) == 0 )
{
bNeeded = TRUE;
}
return bNeeded;
}
///////////////////////////////////////////////////////////////////////////////
#pragma optimize( "", on ) // (we're done; re-enable optimizations)
#endif // !defined( _MSVC_ )
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