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Add 'break_on_module_load' option to KDB. When enabled KDB will be entered for each module beeing loaded, and one can set

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breakpoints etc.

svn path=/trunk/; revision=18328
This commit is contained in:
Gregor Anich 2005-10-08 12:47:53 +00:00
parent 34d7b92b27
commit 3e73bd8b79
2 changed files with 23 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

26
reactos/ntoskrnl/kdbg/kdb_cli.c
View file

@ -85,6 +85,7 @@ STATIC BOOLEAN KdbpCmdHelp(ULONG Argc, PCHAR Argv[]);
/* GLOBALS *******************************************************************/
STATIC BOOLEAN KdbUseIntelSyntax = FALSE; /* Set to TRUE for intel syntax */
STATIC BOOLEAN KdbBreakOnModuleLoad = FALSE; /* Set to TRUE to break into KDB when a module is loaded */
STATIC CHAR KdbCommandHistoryBuffer[2048]; /* Command history string ringbuffer */
STATIC PCHAR KdbCommandHistory[sizeof(KdbCommandHistoryBuffer) / 8] = { NULL }; /* Command history ringbuffer */
@ -1527,6 +1528,7 @@ KdbpCmdSet(ULONG Argc, PCHAR Argv[])
KdbpPrint("Available settings:\n");
KdbpPrint(" syntax [intel|at&t]\n");
KdbpPrint(" condition [exception|*] [first|last] [never|always|kmode|umode]\n");
KdbpPrint(" break_on_module_load [true|false]\n");
}
else if (strcmp(Argv[1], "syntax") == 0)
{
@ -1641,6 +1643,22 @@ KdbpCmdSet(ULONG Argc, PCHAR Argv[])
}
}
}
else if (strcmp(Argv[1], "break_on_module_load") == 0)
{
if (Argc == 2)
KdbpPrint("break_on_module_load = %s\n", KdbBreakOnModuleLoad ? "enabled" : "disabled");
else if (Argc >= 3)
{
if (_stricmp(Argv[2], "enable") == 0 || _stricmp(Argv[2], "enabled") == 0 ||
_stricmp(Argv[2], "true") == 0)
KdbBreakOnModuleLoad = TRUE;
else if (_stricmp(Argv[2], "disable") == 0 || _stricmp(Argv[2], "disabled") == 0 ||
_stricmp(Argv[2], "false") == 0)
KdbBreakOnModuleLoad = FALSE;
else
KdbpPrint("Unknown setting '%s'.\n", Argv[2]);
}
}
else
KdbpPrint("Unknown setting '%s'.\n", Argv[1]);
@ -1731,7 +1749,7 @@ KdbpPrint(
if ((KdbNumberOfRowsTerminal < 0) || (KdbNumberOfColsTerminal < 0) ||
(KdbNumberOfRowsPrinted) == 0) /* Refresh terminal size each time when number of rows printed is 0 */
{
if ((KdbDebugState & KD_DEBUG_KDSERIAL) && TerminalReportsSize)
if ((KdbDebugState & KD_DEBUG_KDSERIAL) && TerminalConnected && TerminalReportsSize)
{
/* Try to query number of rows from terminal. A reply looks like "\x1b[8;24;80t" */
TerminalReportsSize = FALSE;
@ -1805,7 +1823,8 @@ KdbpPrint(
/*DbgPrint("!%d!%d!%d!%d!", KdbNumberOfRowsPrinted, KdbNumberOfColsPrinted, i, RowsPrintedByTerminal);*/
/* Display a prompt if we printed one screen full of text */
if ((LONG)(KdbNumberOfRowsPrinted + RowsPrintedByTerminal) >= KdbNumberOfRowsTerminal)
if (KdbNumberOfRowsTerminal > 0 &&
(LONG)(KdbNumberOfRowsPrinted + RowsPrintedByTerminal) >= KdbNumberOfRowsTerminal)
{
if (KdbNumberOfColsPrinted > 0)
DbgPrint("\n");
@ -2246,7 +2265,8 @@ KdbpCliMainLoop(
VOID
KdbpCliModuleLoaded(IN PUNICODE_STRING Name)
{
return;
if (!KdbBreakOnModuleLoad)
return;
DbgPrint("Module %wZ loaded.\n", Name);
DbgBreakPointWithStatus(DBG_STATUS_CONTROL_C);

1
reactos/ntoskrnl/ke/process.c
View file

@ -205,7 +205,6 @@ STDCALL
KiSwapProcess(PKPROCESS NewProcess,
PKPROCESS OldProcess)
{
/* FIXME: Write this in ASM. Much easier */
DPRINT("Switching CR3 to: %x\n", NewProcess->DirectoryTableBase.u.LowPart);
Ke386SetPageTableDirectory(NewProcess->DirectoryTableBase.u.LowPart);
}