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Message-ID: <57474.166.70.238.45.1217815846.squirrel@webmail.wolfmountaingroup.com>
Date: Sun, 3 Aug 2008 20:10:46 -0600 (MDT)
From: jmerkey@...fmountaingroup.com
To: linux-kernel@...r.kernel.org
Subject: [PATCH 2.6.26 4/25] mdb: Merkey's Kernel Debugger
Netware Style Debugger for Linux written by Jeffrey Vernon Merkey
--- linux-2.6.26/debug/mdb-base.c 1969-12-31 17:00:00.000000000 -0700 +++
linux-2.6.26-mdb/debug/mdb-base.c 2008-08-03 12:49:01.000000000 -0600 @@
-0,0 +1,2432 @@
+
+/***************************************************************************
+*
+* Copyright (c) 2008 Jeff V. Merkey All Rights Reserved.
+* 1058 East 50 South
+* Lindon, Utah 84042
+* jmerkey@...fmountaingroup.com
+*
+* This program is free software; you can redistribute it and/or modify it
+* under the terms of the GNU General Public License as published by the
+* Free Software Foundation, version 3.
+*
+* This program is distributed in the hope that it will be useful, but
+* WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +*
General Public License for more details.
+*
+* You are free to modify and re-distribute this program in accordance
+* with the terms specified in the GNU Public License. The copyright +*
contained in this code is required to be present in any derivative +*
works and you are required to provide the source code for this +*
program as part of any commercial or non-commercial distribution. +* You
are required to respect the rights of the Copyright holders +* named
within this code.
+*
+* jmerkey@...fmountaingroup.com is the official maintainer of
+* this code. You are encouraged to report any bugs, problems, fixes,
+* suggestions, and comments about this software.
+*
+* AUTHOR : Jeff V. Merkey
+* FILE : MDB-BASE.C
+* DESCRIP : Merkey's NetWare Debugger
+* DATE : April 8, 2008
+*
+***************************************************************************/
+
+#include "mdb.h"
+
+#ifdef CONFIG_MDB
+
+ULONG debug_deref = 0;
+ULONG full_deref_toggle = 0;
+ULONG general_toggle = TRUE;
+ULONG line_info_toggle = TRUE;
+ULONG control_toggle = 0;
+ULONG segment_toggle = TRUE;
+ULONG numeric_toggle = 0;
+ULONG reason_toggle = TRUE;
+
+ULONG enterKeyACC(ULONG key, void *stackFrame,
+ ACCELERATOR *accel)
+{
+ BYTE *verbBuffer = &workbuf[0][0];
+ register BYTE *verb, *pp, *vp;
+ register ULONG count;
+
+ if (key) {};
+ if (stackFrame) {};
+ if (accel) {};
+
+ if (!debugCommand[0])
+ {
+ count = 0;
+ pp = (BYTE *)lastDebugCommand;
+ vp = verb = &verbBuffer[0];
+ while (*pp && *pp == ' ' && count++ < 80)
+ pp++;
+
+ while (*pp && *pp != ' ' && count++ < 80)
+ *vp++ = *pp++;
+ *vp = '\0';
+
+ while (*pp && *pp == ' ' && count++ < 80)
+ pp++;
+
+ UpcaseString(verb);
+ if (!strcmp(verb, "P") || (lastCommand == K_F8))
+ strcpy((char *)debugCommand, "P");
+ else
+ if (!strcmp(verb, "T") || (lastCommand == K_F7))
+ strcpy((char *)debugCommand, "T");
+ else
+ if (!strcmp(verb, "W") || !strcmp(verb, "D") ||
+ !strcmp(verb, "DB") || !strcmp(verb, "DW") ||
+ !strcmp(verb, "DD") || !strcmp(verb, "DDS") ||
+ !strcmp(verb, "DS") || !strcmp(verb, "DL") ||
+ !strcmp(verb, "U") || !strcmp(verb, "UU") ||
+ !strcmp(verb, "S") || !strcmp(verb, "SS") ||
+ !strcmp(verb, "SSB") || !strcmp(verb, "ID"))
+ {
+ strcpy((char *)debugCommand, verb);
+ repeatCommand = TRUE;
+ }
+ }
+ return 0;
+
+}
+
+
+ULONG displayDebuggerHelpHelp(BYTE *commandLine, DEBUGGER_PARSER *parser) +{
+ if (commandLine) {}
+ if (parser) {}
+
+ DBGPrint("displays general help for all commands, or help for a
specific command\n");
+ DBGPrint("HELP <enter> - list all commands\n");
+ DBGPrint("HELP command <enter> - help for a specific command\n"); +
+ return TRUE;
+}
+
+ULONG displayDebuggerHelp(BYTE *commandLine,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+
+ register ULONG count;
+ BYTE *verbBuffer = &workbuf[0][0];
+ register BYTE *verb, *pp, *vp;
+
+ if (stackFrame) {};
+ if (Exception) {};
+
+ commandLine = &commandLine[parser->debugCommandNameLength];
+ while (*commandLine && *commandLine == ' ') commandLine++;
+
+ count = 0;
+ pp = commandLine;
+ vp = verb = &verbBuffer[0];
+ while (*pp && *pp == ' ' && count++ < 80)
+ pp++;
+
+ while (*pp && *pp != ' ' && count++ < 80)
+ *vp++ = *pp++;
+ *vp = '\0';
+
+ while (*pp && *pp == ' ' && count++ < 80)
+ pp++;
+
+ DebuggerParserHelpRoutine(verb, commandLine);
+ return TRUE;
+
+}
+
+// BT, BTA, BTP
+
+extern int bt_stack(struct task_struct *task, struct pt_regs *regs, +
unsigned long *stack);
+
+ULONG backTraceHelp(BYTE *commandLine, DEBUGGER_PARSER *parser)
+{
+ if (commandLine) {}
+ if (parser) {}
+
+ DBGPrint("bt <addr> - display stack backtrace\n"); +
DBGPrint("bta - display stack backtrace all
pids\n");
+ DBGPrint("btp <pid> - display stack backtrace by pid\n");
+ return TRUE;
+}
+
+ULONG backTraceAllPID(BYTE *cmd, StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ struct task_struct *p, *g;
+
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ cmd = &cmd[parser->debugCommandNameLength];
+ while (*cmd && *cmd == ' ') cmd++;
+
+ do_each_thread(g, p)
+ {
+ if (p)
+ {
+ DBGPrint("Stack backtrace for pid %d\n", p->pid);
+ if (bt_stack(p, NULL, NULL))
+ return TRUE;
+ }
+ } while_each_thread(g, p);
+ return TRUE;
+}
+
+ULONG backTracePID(BYTE *cmd, StackFrame *stackFrame, ULONG Exception, +
DEBUGGER_PARSER *parser)
+{
+ int pid;
+ ULONG valid = 0;
+ struct task_struct *p, *g;
+
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ cmd = &cmd[parser->debugCommandNameLength];
+ while (*cmd && *cmd == ' ') cmd++;
+
+ pid = EvaluateNumericExpression(stackFrame, &cmd, &valid);
+ if (valid)
+ {
+ do_each_thread(g, p)
+ {
+ if (p && (p->pid == pid))
+ {
+ DBGPrint("Stack backtrace for pid %d\n", p->pid);
+ bt_stack(p, NULL, NULL);
+ return TRUE;
+ }
+ } while_each_thread(g, p);
+ DBGPrint("No process with pid %d found\n", pid);
+ }
+ else
+ DBGPrint("invalid pid entered for backtrace\n");
+
+ return TRUE;
+
+}
+
+ULONG backTraceStack(BYTE *cmd, StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ ULONG valid = 0, address;
+
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ cmd = &cmd[parser->debugCommandNameLength];
+ while (*cmd && *cmd == ' ') cmd++;
+
+ address = EvaluateExpression(stackFrame, &cmd, &valid);
+ if (valid)
+ {
+ DBGPrint("Stack backtrace for address 0x%08X\n",
(unsigned)address);
+ bt_stack(NULL, NULL, (unsigned long *)address);
+ return TRUE;
+ }
+ else
+ {
+ DBGPrint("Stack backtrace for address 0x%08X\n",
+ (unsigned)GetStackAddress(stackFrame));
+ bt_stack(NULL, NULL, (unsigned long
*)GetStackAddress(stackFrame));
+ return TRUE;
+ }
+ return TRUE;
+}
+
+void DisplayASCIITable(void)
+{
+
+ register ULONG i;
+ union bhex
+ {
+ unsigned int i;
+ struct btemp {
+ unsigned one : 1;
+ unsigned two : 1;
+ unsigned three : 1;
+ unsigned four : 1;
+ unsigned five : 1;
+ unsigned six : 1;
+ unsigned seven : 1;
+ unsigned eight : 1;
+ } b;
+ } val;
+
+ DBGPrint("ASCII Table\n");
+ for (i=0; i < 256; i++)
+ {
+ val.i = i;
+ switch (i)
+ {
+
+ case 0:
+ if (DBGPrint("| %3i | (0x%02X) | (%1i%1i%1i%1i%1i%1i%1i%1ib)
| NULL |", (int)i, (unsigned)i,
+ (int)val.b.eight, (int)val.b.seven, (int)val.b.six,
+ (int)val.b.five, (int)val.b.four, (int)val.b.three, +
(int)val.b.two, (int)val.b.one)) return;
+ break;
+
+ case 8:
+ if (DBGPrint("| %3i | (0x%02X) | (%1i%1i%1i%1i%1i%1i%1i%1ib)
| BKSP |", (int)i, (unsigned)i,
+ (int)val.b.eight, (int)val.b.seven, (int)val.b.six,
+ (int)val.b.five, (int)val.b.four, (int)val.b.three, +
(int)val.b.two, (int)val.b.one)) return;
+ break;
+
+ case 9:
+ if (DBGPrint("| %3i | (0x%02X) | (%1i%1i%1i%1i%1i%1i%1i%1ib)
| TAB |", (int)i, (unsigned)i,
+ (int)val.b.eight, (int)val.b.seven, (int)val.b.six,
+ (int)val.b.five, (int)val.b.four, (int)val.b.three, +
(int)val.b.two, (int)val.b.one)) return;
+ break;
+
+ case 10:
+ if (DBGPrint("| %3i | (0x%02X) | (%1i%1i%1i%1i%1i%1i%1i%1ib)
| <CR> |", (int)i, (unsigned)i,
+ (int)val.b.eight, (int)val.b.seven, (int)val.b.six,
+ (int)val.b.five, (int)val.b.four, (int)val.b.three, +
(int)val.b.two, (int)val.b.one)) return;
+ break;
+
+ case 13:
+ if (DBGPrint("| %3i | (0x%02X) | (%1i%1i%1i%1i%1i%1i%1i%1ib)
| <LF> |", (int)i, (unsigned)i,
+ (int)val.b.eight, (int)val.b.seven, (int)val.b.six,
+ (int)val.b.five, (int)val.b.four, (int)val.b.three, +
(int)val.b.two, (int)val.b.one)) return;
+ break;
+
+ case 32:
+ if (DBGPrint("| %3i | (0x%02X) | (%1i%1i%1i%1i%1i%1i%1i%1ib)
| SPACE |", (int)i, (unsigned)i,
+ (int)val.b.eight, (int)val.b.seven, (int)val.b.six,
+ (int)val.b.five, (int)val.b.four, (int)val.b.three, +
(int)val.b.two, (int)val.b.one)) return;
+ break;
+
+ default:
+ if (DBGPrint("| %3i | (0x%02X) | (%1i%1i%1i%1i%1i%1i%1i%1ib)
| %c |", (int)i, (unsigned)i,
+ (int)val.b.eight, (int)val.b.seven, (int)val.b.six,
+ (int)val.b.five, (int)val.b.four, (int)val.b.three, +
(int)val.b.two, (int)val.b.one, (BYTE) i)) return; +
break;
+
+ }
+ if (DBGPrint("\n")) return;
+ }
+
+}
+
+#if defined(CONFIG_MODULES)
+
+// LSMOD, .M
+
+ULONG listModulesHelp(BYTE *commandLine, DEBUGGER_PARSER *parser) +{
+ if (commandLine) {}
+ if (parser) {}
+
+ DBGPrint(".M - list loaded modules\n"); +
DBGPrint("lsmod - list loaded modules\n"); +
DBGPrint("rmmod <name> - unload module\n");
+ return TRUE;
+}
+
+ULONG listModules(BYTE *cmd, StackFrame *stackFrame, ULONG Exception, +
DEBUGGER_PARSER *parser)
+{
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ cmd = &cmd[parser->debugCommandNameLength];
+ while (*cmd && *cmd == ' ') cmd++;
+
+ if (*cmd)
+ mdb_modules(cmd, DBGPrint);
+ else
+ mdb_modules(NULL, DBGPrint);
+ return TRUE;
+}
+
+ULONG unloadModule(BYTE *cmd, StackFrame *stackFrame, ULONG Exception, +
DEBUGGER_PARSER *parser)
+{
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ cmd = &cmd[parser->debugCommandNameLength];
+ while (*cmd && *cmd == ' ') cmd++;
+
+ DBGPrint("Module unload unsupported in this version\n");
+ return 0;
+}
+
+#endif
+
+// REBOOT
+
+ULONG rebootSystemHelp(BYTE *commandLine, DEBUGGER_PARSER *parser) +{
+ if (commandLine) {}
+ if (parser) {}
+
+ DBGPrint("reboot - reboot host system\n");
+ return TRUE;
+}
+
+
+ULONG rebootSystem(BYTE *cmd, StackFrame *stackFrame, ULONG Exception, +
DEBUGGER_PARSER *parser)
+{
+ extern void machine_restart(int);
+
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ machine_restart(0);
+ return TRUE;
+}
+
+// SECTIONS, .S
+
+ULONG displaySectionsHelp(BYTE *commandLine, DEBUGGER_PARSER *parser) +{
+ if (commandLine) {}
+ if (parser) {}
+
+ DBGPrint("sections - display kernel/module
sections\n");
+ DBGPrint(".s - display kernel/module
sections\n");
+ return TRUE;
+}
+
+ULONG displaySections(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ DBGPrint("\n");
+
+ return TRUE;
+}
+
+// PS, .P
+
+ULONG displayKernelProcessHelp(BYTE *commandLine, DEBUGGER_PARSER *parser)
+{
+ if (commandLine) {}
+ if (parser) {}
+
+ DBGPrint("ps <addr> - display kernel processes\n"); +
DBGPrint(".p <addr> - display kernel processes\n"); +
return TRUE;
+}
+
+ULONG displayKernelProcess(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ struct task_struct *p, *g;
+ ULONG valid = 0;
+
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ cmd = &cmd[parser->debugCommandNameLength];
+ while (*cmd && *cmd == ' ') cmd++;
+
+ if (*cmd)
+ {
+ p = (struct task_struct *)EvaluateExpression(stackFrame, &cmd,
&valid);
+ if (valid && p)
+ {
+ DBGPrint("%-*s Pid Parent [*] State %-*s Command\n",
+ (int)(2*sizeof(void *))+2, "Task Addr",
+ (int)(2*sizeof(void *))+2, "Thread");
+
+ if (DBGPrint("0x%p %8d %8d %d %c 0x%p %s\n",
+ (void *)p, p->pid, p->real_parent->pid,
+ task_curr(p),
+ (p->state == 0) ? 'R' :
+ (p->state < 0) ? 'U' :
+ (p->state & TASK_UNINTERRUPTIBLE) ? 'D' :
+ (p->state & TASK_STOPPED) ? 'T' :
+ (p->state & TASK_TRACED) ? 'C' :
+ (p->exit_state & EXIT_ZOMBIE) ? 'Z' :
+ (p->exit_state & EXIT_DEAD) ? 'E' :
+ (p->state & TASK_INTERRUPTIBLE) ? 'S' : '?',
+ (void *)(&p->thread),
+ p->comm))
+ return TRUE;
+ return TRUE;
+ }
+ DBGPrint("invalid task address\n");
+ return TRUE;
+ }
+ else
+ {
+ DBGPrint("%-*s Pid Parent [*] State %-*s Command\n",
+ (int)(2*sizeof(void *))+2, "Task Addr",
+ (int)(2*sizeof(void *))+2, "Thread");
+
+ do_each_thread(g, p)
+ {
+ if (p)
+ {
+ if (DBGPrint("0x%p %8d %8d %d %c 0x%p %s\n",
+ (void *)p, p->pid, p->real_parent->pid,
+ task_curr(p),
+ (p->state == 0) ? 'R' :
+ (p->state < 0) ? 'U' :
+ (p->state & TASK_UNINTERRUPTIBLE) ? 'D' :
+ (p->state & TASK_STOPPED) ? 'T' :
+ (p->state & TASK_TRACED) ? 'C' :
+ (p->exit_state & EXIT_ZOMBIE) ? 'Z' :
+ (p->exit_state & EXIT_DEAD) ? 'E' :
+ (p->state & TASK_INTERRUPTIBLE) ? 'S' : '?',
+ (void *)(&p->thread),
+ p->comm))
+ return TRUE;
+ }
+ } while_each_thread(g, p);
+ }
+ return TRUE;
+
+}
+
+ULONG ascTableHelp(BYTE *commandLine, DEBUGGER_PARSER *parser)
+{
+ if (commandLine) {}
+ if (parser) {}
+
+ DBGPrint("a - display ASCII Table\n"); +
return TRUE;
+}
+
+// A
+
+ULONG displayASCTable(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ DisplayASCIITable();
+ return TRUE;
+
+}
+
+typedef struct _LINE_INFO
+{
+ ULONG SourcePresent;
+ BYTE *SourceLine;
+ BYTE *ModuleName;
+ ULONG LineNumber;
+} LINE_INFO;
+
+void GetLineInfoFromValue(ULONG value, LINE_INFO *lineInfo, ULONG *exact) +{
+ if (exact)
+ *exact = 0;
+
+ if (lineInfo)
+ {
+ lineInfo->SourcePresent = 0;
+ lineInfo->SourceLine = "";
+ lineInfo->ModuleName = "";
+ lineInfo->LineNumber = 0;
+ }
+ return;
+}
+
+ULONG disassemble(StackFrame *stackFrame, ULONG p, ULONG count, ULONG use)
+{
+ register ULONG i;
+ BYTE *symbolName;
+ BYTE *moduleName;
+ ULONG exact = 0;
+ extern ULONG line_info_toggle;
+ LINE_INFO lineInfo;
+ register int c = get_processor_id();
+
+ for (i=0; i < count; i++)
+ {
+ GetLineInfoFromValue(p, &lineInfo, &exact);
+
+ if (line_info_toggle && exact)
+ {
+ if (lineInfo.SourcePresent && lineInfo.SourceLine)
+ {
+ register ULONG length = strlen(lineInfo.SourceLine);
+
+ i = length > 80
+ ? i + 1 + (length / 80)
+ : i + 1;
+
+ DBGPrint("%s (%s : line %d)\n",
+ lineInfo.SourceLine, lineInfo.ModuleName,
+ lineInfo.LineNumber);
+
+ }
+ else if (line_info_toggle && lineInfo.LineNumber)
+ {
+ i++;
+ DBGPrint("file %s line %d\n",
+ lineInfo.ModuleName, lineInfo.LineNumber);
+ }
+ }
+
+ if (i >= count && count != 1)
+ break;
+
+ symbolName = GetSymbolFromValue(p, &symbuf[c][0], MAX_SYMBOL_LEN);
+ if (symbolName)
+ {
+ i++;
+ moduleName = GetModuleInfoFromSymbolValue(p, &modbuf[c][0], +
MAX_SYMBOL_LEN); +
if (moduleName)
+ {
+ if (DBGPrint("%s|%s:\n", moduleName, symbolName)) return p; +
}
+ else
+ {
+ if (DBGPrint("%s:\n", symbolName)) return p;
+ }
+ }
+ if (i >= count && count != 1)
+ break;
+
+ if (unassemble(stackFrame, p, use, &p)) return p;
+ }
+
+ return p;
+
+}
+
+ULONG dumpSearchResults(BYTE *p, ULONG count)
+{
+
+ BYTE *symbolName;
+ BYTE *moduleName;
+ register ULONG i, r, total;
+ BYTE ch;
+ register int c = get_processor_id();
+
+ if (DBGPrint(" 0 1 2 3 4 5 6 7 8 9 A B C D E
F\n"))
+ return 1;
+
+ for (r=0; r < count; r++)
+ {
+ symbolName = GetSymbolFromValue((ULONG) p, &symbuf[c][0],
MAX_SYMBOL_LEN);
+ if (symbolName)
+ {
+ moduleName = GetModuleInfoFromSymbolValue((ULONG) p,
&modbuf[c][0],
+ MAX_SYMBOL_LEN); +
if (moduleName)
+ {
+ if (DBGPrint("%s|%s:\n", moduleName, symbolName)) return 1;
+ }
+ else
+ {
+ if (DBGPrint("%s:\n", symbolName)) return 1;
+ }
+ if (r++ >= count && count != 1)
+ break;
+ }
+ DBGPrint("%08X ", (unsigned) p);
+ for (total = 0, i=0; i < 16; i++, total++)
+ {
+ DBGPrint(" %02X", (unsigned) mdb_getword((ULONG)&p[i], 1));
+ }
+ DBGPrint(" ");
+ for (i=0; i < total; i++)
+ {
+ ch = mdb_getword((ULONG)&p[i], 1);
+
+ if (ch < 32 || ch > 126) DBGPrint(".");
+ else DBGPrint("%c", ch);
+ }
+ if (DBGPrint("\n")) return 1;
+
+ p = (void *)((ULONG) p + (ULONG) total);
+ }
+ return 0;
+
+}
+
+BYTE *dump(BYTE *p, ULONG count)
+{
+
+ BYTE *symbolName;
+ BYTE *moduleName;
+ register ULONG i, r, total;
+ BYTE ch;
+ register int c = get_processor_id();
+
+ DBGPrint(" 0 1 2 3 4 5 6 7 8 9 A B C D E F\n");
+
+ for (r=0; r < count; r++)
+ {
+ symbolName = GetSymbolFromValue((ULONG) p, &symbuf[c][0],
MAX_SYMBOL_LEN);
+ if (symbolName)
+ {
+ moduleName = GetModuleInfoFromSymbolValue((ULONG) p,
&modbuf[c][0],
+ MAX_SYMBOL_LEN); +
if (moduleName)
+ DBGPrint("%s|%s:\n", moduleName, symbolName);
+ else
+ DBGPrint("%s:\n", symbolName);
+ if (r++ >= count && count != 1)
+ break;
+ }
+ DBGPrint("%08X ", (unsigned) p);
+ for (total = 0, i=0; i < 16; i++, total++)
+ {
+ DBGPrint(" %02X", (unsigned) mdb_getword((ULONG)&p[i], 1));
+ }
+ DBGPrint(" ");
+ for (i=0; i < total; i++)
+ {
+ ch = mdb_getword((ULONG)&p[i], 1);
+
+ if (ch < 32 || ch > 126) DBGPrint(".");
+ else DBGPrint("%c", ch);
+ }
+ DBGPrint("\n");
+
+ p = (void *)((ULONG) p + (ULONG) total);
+ }
+
+ return p;
+
+}
+
+ULONG dumpWordSearchResults(BYTE *p, ULONG count)
+{
+
+ register int i, r;
+ WORD *wp;
+ BYTE *symbolName;
+ BYTE *moduleName;
+ BYTE ch;
+ register int c = get_processor_id();
+
+ wp = (WORD *) p;
+ for (r=0; r < count; r++)
+ {
+ symbolName = GetSymbolFromValue((ULONG) p, &symbuf[c][0],
MAX_SYMBOL_LEN);
+ if (symbolName)
+ {
+ moduleName = GetModuleInfoFromSymbolValue((ULONG) p,
&modbuf[c][0],
+ MAX_SYMBOL_LEN); +
if (moduleName)
+ {
+ if (DBGPrint("%s|%s:\n", moduleName, symbolName)) return 1;
+ }
+ else
+ {
+ if (DBGPrint("%s:\n", symbolName)) return 1;
+ }
+ if (r++ >= count && count != 1)
+ break;
+ }
+ DBGPrint("%08X ", (unsigned) p);
+ for (i=0; i < (16 / 2); i++)
+ {
+ DBGPrint(" %04X", (unsigned) mdb_getword((ULONG)&wp[i], 2));
+ }
+ DBGPrint(" ");
+ for (i=0; i < 16; i++)
+ {
+ ch = mdb_getword((ULONG)&p[i], 1);
+
+ if (ch < 32 || ch > 126) DBGPrint(".");
+ else DBGPrint("%c", ch);
+ }
+ if (DBGPrint("\n")) return 1;
+
+ p = (void *)((ULONG) p + (ULONG) 16);
+ wp = (WORD *) p;
+ }
+
+ return 0;
+
+}
+
+BYTE *dumpWord(BYTE *p, ULONG count)
+{
+
+ register int i, r;
+ WORD *wp;
+ BYTE *symbolName;
+ BYTE *moduleName;
+ BYTE ch;
+ register int c = get_processor_id();
+
+ wp = (WORD *) p;
+ for (r=0; r < count; r++)
+ {
+ symbolName = GetSymbolFromValue((ULONG) p, &symbuf[c][0],
MAX_SYMBOL_LEN);
+ if (symbolName)
+ {
+ moduleName = GetModuleInfoFromSymbolValue((ULONG) p,
&modbuf[c][0],
+ MAX_SYMBOL_LEN); +
if (moduleName)
+ DBGPrint("%s|%s:\n", moduleName, symbolName);
+ else
+ DBGPrint("%s:\n", symbolName);
+ if (r++ >= count && count != 1)
+ break;
+ }
+ DBGPrint("%08X ", (unsigned) p);
+ for (i=0; i < (16 / 2); i++)
+ {
+ DBGPrint(" %04X", (unsigned) mdb_getword((ULONG)&wp[i], 2));
+ }
+ DBGPrint(" ");
+ for (i=0; i < 16; i++)
+ {
+ ch = mdb_getword((ULONG)&p[i], 1);
+
+ if (ch < 32 || ch > 126) DBGPrint(".");
+ else DBGPrint("%c", ch);
+ }
+ DBGPrint("\n");
+
+ p = (void *)((ULONG) p + (ULONG) 16);
+ wp = (WORD *) p;
+ }
+
+ return p;
+
+}
+
+ULONG dumpDoubleSearchResults(BYTE *p, ULONG count)
+{
+
+ register int i, r;
+ ULONG *lp;
+ BYTE *symbolName;
+ BYTE *moduleName;
+ BYTE ch;
+ register int c = get_processor_id();
+
+ lp = (ULONG *) p;
+
+ for (r=0; r < count; r++)
+ {
+ symbolName = GetSymbolFromValue((ULONG) p, &symbuf[c][0],
MAX_SYMBOL_LEN);
+ if (symbolName)
+ {
+ moduleName = GetModuleInfoFromSymbolValue((ULONG) p,
&modbuf[c][0],
+ MAX_SYMBOL_LEN); +
if (moduleName)
+ {
+ if (DBGPrint("%s|%s:\n", moduleName, symbolName)) return 1;
+ }
+ else
+ {
+ if (DBGPrint("%s:\n", symbolName)) return 1;
+ }
+ if (r++ >= count && count != 1)
+ break;
+ }
+ DBGPrint("%08X ", (unsigned) p);
+ for (i=0; i < (16 / 4); i++)
+ {
+ DBGPrint(" %08X", (unsigned) mdb_getword((ULONG)&lp[i], 4));
+ }
+ DBGPrint(" ");
+ for (i=0; i < 16; i++)
+ {
+ ch = mdb_getword((ULONG)&p[i], 1);
+
+ if (ch < 32 || ch > 126) DBGPrint(".");
+ else DBGPrint("%c", ch);
+ }
+ if (DBGPrint("\n")) return 1;
+
+ p = (void *)((ULONG) p + (ULONG) 16);
+ lp = (ULONG *) p;
+ }
+
+ return 0;
+
+}
+
+BYTE *dumpDouble(BYTE *p, ULONG count)
+{
+
+ register int i, r;
+ ULONG *lp;
+ BYTE *symbolName;
+ BYTE *moduleName;
+ BYTE ch;
+ register int c = get_processor_id();
+
+ lp = (ULONG *) p;
+
+ for (r=0; r < count; r++)
+ {
+ symbolName = GetSymbolFromValue((ULONG) p, &symbuf[c][0],
MAX_SYMBOL_LEN);
+ if (symbolName)
+ {
+ moduleName = GetModuleInfoFromSymbolValue((ULONG) p,
&modbuf[c][0],
+ MAX_SYMBOL_LEN); +
if (moduleName)
+ DBGPrint("%s|%s:\n", moduleName, symbolName);
+ else
+ DBGPrint("%s:\n", symbolName);
+ if (r++ >= count && count != 1)
+ break;
+ }
+ DBGPrint("%08X ", (unsigned) p);
+ for (i=0; i < (16 / 4); i++)
+ {
+ DBGPrint(" %08X", (unsigned) mdb_getword((ULONG)&lp[i], 4));
+ }
+ DBGPrint(" ");
+ for (i=0; i < 16; i++)
+ {
+ ch = mdb_getword((ULONG)&p[i], 1);
+
+ if (ch < 32 || ch > 126) DBGPrint(".");
+ else DBGPrint("%c", ch);
+ }
+ DBGPrint("\n");
+
+ p = (void *)((ULONG) p + (ULONG) 16);
+ lp = (ULONG *) p;
+ }
+
+ return p;
+
+}
+
+BYTE *dumpLinkedList(BYTE *p, ULONG count, ULONG offset)
+{
+
+ register int i, r;
+ ULONG *lp;
+ BYTE ch;
+
+ lp = (ULONG *) p;
+
+ DBGPrint(" 0 1 2 3 4 5 6 7 8 9 A B C D E F\n");
+ DBGPrint("Linked List -> [%08X + %X] = %08X\n", (unsigned)lp, +
(unsigned)offset,
+ (unsigned)mdb_getword((ULONG)((ULONG)lp + (ULONG)offset), 4));
+
+ for (r=0; r < count; r++)
+ {
+ DBGPrint("%08X ", (unsigned) p);
+ for (i=0; i < 16; i++)
+ {
+ DBGPrint(" %02X", (unsigned) mdb_getword((ULONG)&p[i], 1));
+ }
+ DBGPrint(" ");
+ for (i=0; i < 16; i++)
+ {
+ ch = mdb_getword((ULONG)&p[i], 1);
+
+ if (ch < 32 || ch > 126) DBGPrint(".");
+ else DBGPrint("%c", ch);
+ }
+ DBGPrint("\n");
+
+ p = (void *)((ULONG) p + (ULONG) 16);
+ }
+
+ return (BYTE *)(mdb_getword((ULONG)((ULONG)lp + (ULONG)offset), 4)); +
+}
+
+BYTE *dumpDoubleStack(StackFrame *stackFrame, BYTE *p, ULONG count) +{
+
+ register int i, r;
+ ULONG *lp;
+ BYTE ch;
+
+ lp = (ULONG *) p;
+
+ DBGPrint("Stack = %04lX:%08X\n",
+ (unsigned long)GetStackSegment(stackFrame),
+ (unsigned)p);
+
+ for (r=0; r < count; r++)
+ {
+ DBGPrint("%04X:", (unsigned) GetStackSegment(stackFrame));
+ DBGPrint("%08X ", (unsigned) p);
+ for (i=0; i < (16 / 4); i++)
+ {
+ DBGPrint(" %08X", (unsigned) mdb_getword((ULONG)&lp[i], 4));
+ }
+ DBGPrint(" ");
+ for (i=0; i < 16; i++)
+ {
+ ch = mdb_getword((ULONG)&p[i], 1);
+
+ if (ch < 32 || ch > 126) DBGPrint(".");
+ else DBGPrint("%c", ch);
+ }
+ DBGPrint("\n");
+
+ p = (void *)((ULONG) p + (ULONG) 16);
+ lp = (ULONG *) p;
+ }
+
+ return p;
+
+}
+
+BYTE *dumpStack(StackFrame *stackFrame, BYTE *p, ULONG count)
+{
+
+ register int r;
+ ULONG *lp;
+
+ lp = (ULONG *) p;
+
+ DBGPrint("Stack = %04X:%08X\n", (unsigned)GetStackSegment(stackFrame),
+ (unsigned)p);
+
+ for (r=0; r < count; r++)
+ {
+ DBGPrint("%08X ", (unsigned) p);
+ DBGPrint("%08X ", (unsigned) mdb_getword((ULONG)lp, 4));
+ if (DisplayClosestSymbol(mdb_getword((ULONG)lp, 4)))
+ DBGPrint("\n");
+
+ p = (void *)((ULONG) p + (ULONG) 4);
+ lp = (ULONG *) p;
+ }
+
+ return p;
+
+}
+
+ULONG displayToggleHelp(BYTE *commandLine, DEBUGGER_PARSER *parser) +{
+ if (commandLine) {}
+ if (parser) {}
+
+ DBGPrint(".tc - toggles control registers (ON |
OFF)\n");
+ DBGPrint(".tn - toggles coprocessor registers
(ON | OFF)\n");
+ DBGPrint(".ts - toggles segment registers (ON |
OFF)\n");
+ DBGPrint(".tg - toggles general registers (ON |
OFF)\n");
+ DBGPrint(".tr - toggles display of break reason
(ON | OFF)\n");
+ DBGPrint(".td - toggles full dereference display
(ON | OFF)\n");
+ DBGPrint(".tl - toggles source line display (ON
| OFF)\n");
+ DBGPrint(".tu - toggles unasm debug display (ON
| OFF)\n");
+ DBGPrint(".t or .t <address> - display task state segment
(tss)\n");
+ return TRUE;
+}
+
+// .TU
+
+ULONG ProcessTUToggle(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ (debug_deref)
+ ? (debug_deref = 0)
+ : (debug_deref = 1);
+ DBGPrint("toggle unasm debug display (%s)\n",
+ debug_deref ? "ON" : "OFF");
+ return TRUE;
+}
+
+// .TD
+
+ULONG ProcessTDToggle(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ (full_deref_toggle)
+ ? (full_deref_toggle = 0)
+ : (full_deref_toggle = 1);
+ DBGPrint("toggle full dereferencing info (%s) \n",
+ full_deref_toggle ? "ON" : "OFF");
+ return TRUE;
+}
+
+
+// .TL
+
+ULONG ProcessTLToggle(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ (line_info_toggle)
+ ? (line_info_toggle = 0)
+ : (line_info_toggle = 1);
+ DBGPrint("toggle source line info (%s) \n",
+ line_info_toggle ? "ON" : "OFF");
+ return TRUE;
+
+}
+
+// .TG
+
+ULONG ProcessTGToggle(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ (general_toggle)
+ ? (general_toggle = 0)
+ : (general_toggle = 1);
+ DBGPrint("toggle general registers (%s) \n",
+ general_toggle ? "ON" : "OFF");
+ return TRUE;
+
+}
+
+// .TC
+
+ULONG ProcessTCToggle(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ (control_toggle)
+ ? (control_toggle = 0)
+ : (control_toggle = 1);
+ DBGPrint("toggle control registers (%s) \n",
+ control_toggle ? "ON" : "OFF");
+ return TRUE;
+
+}
+
+// .TN
+
+ULONG ProcessTNToggle(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ (numeric_toggle)
+ ? (numeric_toggle = 0)
+ : (numeric_toggle = 1);
+ DBGPrint("toggle coprocessor registers (%s) \n",
+ numeric_toggle ? "ON" : "OFF");
+ return TRUE;
+
+}
+
+// .TR
+
+ULONG ProcessTRToggle(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ (reason_toggle)
+ ? (reason_toggle = 0)
+ : (reason_toggle = 1);
+ DBGPrint("toggle display break reason (%s) \n",
+ reason_toggle ? "ON" : "OFF");
+ return TRUE;
+
+}
+
+// .TS
+
+ULONG ProcessTSToggle(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ (segment_toggle)
+ ? (segment_toggle = 0)
+ : (segment_toggle = 1);
+ DBGPrint("toggle segment registers (%s) \n",
+ segment_toggle ? "ON" : "OFF");
+ return TRUE;
+
+}
+
+ULONG displayDebuggerVersionHelp(BYTE *commandLine, DEBUGGER_PARSER *parser)
+{
+ if (commandLine) {}
+ if (parser) {}
+
+ DBGPrint(".v - display version info\n"); +
return TRUE;
+}
+
+// .V
+
+ULONG DisplayDebuggerVersion(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ extern ULONG MajorVersion;
+ extern ULONG MinorVersion;
+ extern ULONG BuildVersion;
+
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ DBGPrint("Merkey's Kernel Debugger\n");
+ DBGPrint("v%02d.%02d.%02d\n",
+ (int)MajorVersion, (int)MinorVersion, (int)BuildVersion); +
DBGPrint("Copyright (C) 2008 Jeffrey Vernon Merkey. "
+ "All Rights Reserved.\n");
+
+ return TRUE;
+}
+
+// .Z
+
+ULONG displaySymbolsHelp(BYTE *commandLine, DEBUGGER_PARSER *parser) +{
+ if (commandLine) {}
+ if (parser) {}
+
+ DBGPrint(".z <name> - display symbol info\n"); +
return TRUE;
+}
+
+ULONG displaySymbols(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ extern void DumpOSSymbolTableMatch(BYTE *);
+
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ cmd = &cmd[parser->debugCommandNameLength];
+ while (*cmd && *cmd == ' ') cmd++;
+
+ if (*cmd)
+ DumpOSSymbolTableMatch(cmd);
+ else
+ DumpOSSymbolTableMatch(NULL);
+
+ return TRUE;
+}
+
+// LCPU
+
+ULONG listProcessors(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ register int i;
+
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ cmd = &cmd[parser->debugCommandNameLength];
+ while (*cmd && *cmd == ' ') cmd++;
+
+ DBGPrint("Current Processor: %d\n", smp_processor_id());
+ DBGPrint("Active Processors: \n");
+ for (i=0; i < MAX_PROCESSORS; i++)
+ {
+ if (cpu_online(i))
+ DBGPrint(" Processor %d\n", i);
+ }
+ return TRUE;
+
+}
+
+ULONG clearScreenHelp(BYTE *commandLine, DEBUGGER_PARSER *parser) +{
+ if (commandLine) {}
+ if (parser) {}
+
+ DBGPrint("cls - clear the screen\n");
+ return TRUE;
+}
+
+// CLS
+
+ULONG clearDebuggerScreen(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ extern void ClearScreen(void);
+
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ ClearScreen();
+ return TRUE;
+
+}
+
+ULONG SearchMemoryHelp(BYTE *commandLine, DEBUGGER_PARSER *parser) +{
+ if (commandLine) {}
+ if (parser) {}
+
+ DBGPrint("sb - search for bytes at address\n");
+ DBGPrint("sw - search for words at address\n");
+ DBGPrint("sd - search for dwords at
address\n");
+ return TRUE;
+}
+
+// S
+
+// use local storage and reduce stack space use. these functions are always
+// called single threaded from the console
+
+BYTE s_changeBuffer[16];
+BYTE b_searchBuffer[16];
+BYTE b_copyBuffer[16];
+WORD w_searchBuffer[16];
+WORD w_copyBuffer[16];
+ULONG d_searchBuffer[16];
+ULONG d_copyBuffer[16];
+
+ULONG SearchMemory(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ BYTE *changeBuffer = s_changeBuffer;
+ BYTE *searchBuffer = b_searchBuffer;
+ BYTE *copyBuffer = b_copyBuffer;
+ ULONG maxlen = sizeof(searchBuffer);
+ register BYTE *changeB;
+ BYTE *pB;
+ register ULONG address, r, value, count, len, i;
+ ULONG valid, EndingAddress = (ULONG)high_memory;
+ register int key;
+ extern int mdb_getkey(void);
+
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ cmd = &cmd[parser->debugCommandNameLength];
+ while (*cmd && *cmd == ' ') cmd++;
+
+ memset((ULONG *)searchBuffer, 0, sizeof(searchBuffer));
+ count = 0;
+ changeB = (BYTE *) searchBuffer;
+ changeBuffer[0] = '\0';
+ DBGPrint("enter bytes to search for, '.' to end input\n");
+ while ((changeBuffer[0] != '.') && (count < maxlen))
+ {
+ for (r=0; r < 8; r++)
+ {
+ DBGPrint("0x");
+
+ ScreenInputFromKeyboard(&changeBuffer[0], 0, 4);
+
+ if ((changeBuffer[0] == '.') || (changeBuffer[1] == '.'))
+ break;
+
+ pB = (BYTE *) &changeBuffer[0];
+ len = strlen(pB);
+
+ for (i=0; i < len; i++)
+ DBGPrint("\b");
+
+ value = EvaluateExpression(0, &pB, &valid);
+ if (valid)
+ *changeB = (BYTE) value;
+ DBGPrint("%02X ", (BYTE) *changeB);
+
+ changeB++;
+ if (count++ > maxlen)
+ break;
+ }
+ if (DBGPrint("\n")) return TRUE;
+ }
+
+ if (count)
+ {
+ DBGPrint("enter start address for search: ");
+ ScreenInputFromKeyboard(&changeBuffer[0], 0, 16);
+ pB = (BYTE *) &changeBuffer[0];
+ address = EvaluateExpression(0, &pB, &valid);
+ if (valid)
+ {
+ register ULONG temp;
+
+ DBGPrint("start address = [%08X]\n", (unsigned)address);
+ DBGPrint("enter ending address for search: ");
+
+ ScreenInputFromKeyboard(&changeBuffer[0], 0, 16);
+ pB = (BYTE *) &changeBuffer[0];
+ temp = EvaluateExpression(0, &pB, &valid);
+ if (valid)
+ EndingAddress = temp;
+
+ DBGPrint("\nsearching memory from 0x%08X to 0x%08X\n",
+ (unsigned)address, (unsigned)EndingAddress);
+ while (address < EndingAddress)
+ {
+ read_memory((void *)address, copyBuffer, count);
+ if (!memcmp(searchBuffer, copyBuffer, count))
+ {
+ if (DBGPrint("match at address [%08X]\n",
+ (unsigned)address)) return TRUE;
+ if (dumpSearchResults((BYTE *)address, 4)) return TRUE;
+ if (DBGPrint("searching\n")) return TRUE;
+ }
+ address++;
+ if (!(address % 0x100000))
+ {
+ if (DBGPrint("searching memory at address 0x%08X ..."
+ " Q or q to abort - any key to proceed\n", +
(unsigned)address)) return TRUE;
+ key = mdb_getkey();
+ if (((char)key == 'Q') || ((char)key == 'q'))
+ break;
+ }
+ }
+ if (DBGPrint("search completed.\n")) return TRUE;
+ return TRUE;
+ }
+ if (DBGPrint("invalid start address\n")) return TRUE;
+ return TRUE;
+ }
+ if (DBGPrint("no search pattern\n")) return TRUE;
+ return TRUE;
+
+}
+
+// SB
+
+ULONG SearchMemoryB(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ BYTE *changeBuffer = s_changeBuffer;
+ BYTE *searchBuffer = b_searchBuffer;
+ BYTE *copyBuffer = b_copyBuffer;
+ ULONG maxlen = sizeof(searchBuffer);
+ register BYTE *changeB;
+ BYTE *pB;
+ register ULONG address, r, value, count, len, i;
+ ULONG valid, EndingAddress = (ULONG)high_memory;
+ register int key;
+ extern int mdb_getkey(void);
+
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ cmd = &cmd[parser->debugCommandNameLength];
+ while (*cmd && *cmd == ' ') cmd++;
+
+ memset((ULONG *)searchBuffer, 0, sizeof(searchBuffer));
+ count = 0;
+ changeB = (BYTE *) searchBuffer;
+ changeBuffer[0] = '\0';
+ DBGPrint("enter bytes to search for, '.' to end input\n");
+ while (changeBuffer[0] != '.' && count < maxlen)
+ {
+ for (r=0; r < 8; r++)
+ {
+ DBGPrint("0x");
+
+ ScreenInputFromKeyboard(&changeBuffer[0], 0, 4);
+
+ if ((changeBuffer[0] == '.') || (changeBuffer[1] == '.'))
+ break;
+
+ pB = (BYTE *) &changeBuffer[0];
+ len = strlen(pB);
+ for (i=0; i < len; i++)
+ DBGPrint("\b");
+
+ value = EvaluateExpression(0, &pB, &valid);
+ if (valid)
+ *changeB = (BYTE) value;
+ DBGPrint("%02X ", (BYTE) *changeB);
+
+ changeB++;
+ if (count++ > maxlen)
+ break;
+ }
+ if (DBGPrint("\n")) return TRUE;
+ }
+
+ if (count)
+ {
+ DBGPrint("enter start address for search: ");
+ ScreenInputFromKeyboard(&changeBuffer[0], 0, 16);
+ pB = (BYTE *) &changeBuffer[0];
+ address = EvaluateExpression(0, &pB, &valid);
+ if (valid)
+ {
+ register ULONG temp;
+
+ DBGPrint("start address = [%08X]\n", (unsigned)address);
+
+ DBGPrint("enter ending address for search: ");
+ ScreenInputFromKeyboard(&changeBuffer[0], 0, 16);
+ pB = (BYTE *) &changeBuffer[0];
+ temp = EvaluateExpression(0, &pB, &valid);
+ if (valid)
+ EndingAddress = temp;
+
+ DBGPrint("\nsearching memory from 0x%08X to 0x%08X\n",
+ (unsigned)address, (unsigned)EndingAddress);
+ while (address < EndingAddress)
+ {
+ read_memory((void *)address, copyBuffer, count);
+ if (!memcmp(searchBuffer, copyBuffer, count))
+ {
+ if (DBGPrint("match at address [%08X]\n",
+ (unsigned)address)) return TRUE;
+ if (dumpSearchResults((BYTE *)address, 4)) return TRUE;
+ if (DBGPrint("searching\n")) return TRUE;
+ }
+ address++;
+ if (!(address % 0x100000))
+ {
+ if (DBGPrint("searching memory at address 0x%08X ..."
+ " Q or q to abort - any key to proceed\n", +
(unsigned)address)) return TRUE;
+ key = mdb_getkey();
+ if (((char)key == 'Q') || ((char)key == 'q'))
+ break;
+ }
+ }
+ if (DBGPrint("search completed.\n")) return TRUE;
+ return TRUE;
+ }
+ if (DBGPrint("invalid start address\n")) return TRUE;
+ return TRUE;
+ }
+ if (DBGPrint("no search pattern\n")) return TRUE;
+ return TRUE;
+}
+
+// SW
+
+ULONG SearchMemoryW(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ BYTE *changeBuffer = s_changeBuffer;
+ WORD *searchBuffer = w_searchBuffer;
+ WORD *copyBuffer = w_copyBuffer;
+ ULONG maxlen = sizeof(searchBuffer) / sizeof(WORD);
+ register WORD *changeW;
+ BYTE *pB;
+ register ULONG address, r, value, count, len, i;
+ ULONG valid, EndingAddress = (ULONG)high_memory;
+ register int key;
+ extern int mdb_getkey(void);
+
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ cmd = &cmd[parser->debugCommandNameLength];
+ while (*cmd && *cmd == ' ') cmd++;
+
+ memset((ULONG *)searchBuffer, 0, sizeof(searchBuffer));
+ count = 0;
+ changeW = (WORD *) searchBuffer;
+ changeBuffer[0] = '\0';
+ DBGPrint("enter words to search for, '.' to end input\n");
+ while (changeBuffer[0] != '.' && count < maxlen)
+ {
+ for (r=0; r < 4; r++)
+ {
+ DBGPrint("0x");
+
+ ScreenInputFromKeyboard(&changeBuffer[0], 0, 6);
+
+ if ((changeBuffer[0] == '.') || (changeBuffer[1] == '.') ||
+ (changeBuffer[2] == '.') || (changeBuffer[3] == '.'))
+ break;
+
+ pB = (BYTE *) &changeBuffer[0];
+ len = strlen(pB);
+ for (i=0; i < len; i++)
+ DBGPrint("\b");
+
+ value = EvaluateExpression(0, &pB, &valid);
+ if (valid)
+ *changeW = value;
+ DBGPrint("%04X ", *changeW);
+
+ changeW++;
+ if (count++ > maxlen)
+ break;
+ }
+ if (DBGPrint("\n")) return TRUE;
+ }
+
+ if (count)
+ {
+ DBGPrint("enter start address for search: ");
+ ScreenInputFromKeyboard(&changeBuffer[0], 0, 16);
+ pB = (BYTE *) &changeBuffer[0];
+ address = EvaluateExpression(0, &pB, &valid);
+ if (valid)
+ {
+ register ULONG temp;
+
+ DBGPrint("start address = [%08X]\n", (unsigned)address);
+
+ DBGPrint("enter ending address for search: ");
+ ScreenInputFromKeyboard(&changeBuffer[0], 0, 16);
+ pB = (BYTE *) &changeBuffer[0];
+ temp = EvaluateExpression(0, &pB, &valid);
+ if (valid)
+ EndingAddress = temp;
+
+ DBGPrint("searching memory from 0x%08X to 0x%08X\n",
+ (unsigned)address, (unsigned)EndingAddress);
+ while (address < EndingAddress)
+ {
+ read_memory((void *)address, copyBuffer, count *
sizeof(WORD));
+ if (!memcmp(searchBuffer, copyBuffer, count * sizeof(WORD))) +
{
+ if (DBGPrint("match at address [%08X]\n",
+ (unsigned)address)) return TRUE;
+ if (dumpWordSearchResults((BYTE *)address, 4))
+ return TRUE;
+ if (DBGPrint("searching\n")) return TRUE;;
+ }
+ address++;
+ if (!(address % 0x100000))
+ {
+ if (DBGPrint("searching memory at address 0x%08X ..."
+ " Q or q to abort - any key to proceed\n", +
(unsigned)address)) return TRUE;
+ key = mdb_getkey();
+ if (((char)key == 'Q') || ((char)key == 'q'))
+ break;
+ }
+ }
+ if (DBGPrint("search completed.\n")) return TRUE;
+ return TRUE;
+ }
+ if (DBGPrint("invalid start address\n")) return TRUE;
+ return TRUE;
+ }
+ if (DBGPrint("no search pattern\n")) return TRUE;
+ return TRUE;
+}
+
+// SD
+
+ULONG SearchMemoryD(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ register BYTE *changeBuffer = s_changeBuffer;
+ register ULONG *searchBuffer = d_searchBuffer;
+ register ULONG *copyBuffer = d_copyBuffer;
+ register ULONG maxlen = sizeof(searchBuffer) / sizeof(ULONG); +
register ULONG *changeD;
+ BYTE *pB;
+ register ULONG address, r, value, count, len, i;
+ ULONG valid, EndingAddress = (ULONG)high_memory;
+ register int key;
+ extern int mdb_getkey(void);
+
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ cmd = &cmd[parser->debugCommandNameLength];
+ while (*cmd && *cmd == ' ') cmd++;
+
+ memset((ULONG *)searchBuffer, 0, sizeof(searchBuffer));
+ count = 0;
+ changeD = (ULONG *) searchBuffer;
+ changeBuffer[0] = '\0';
+ DBGPrint("enter dwords to search for, '.' to end input\n");
+ while (changeBuffer[0] != '.' && count < maxlen)
+ {
+ for (r=0; r < 2; r++)
+ {
+ DBGPrint("0x");
+
+ ScreenInputFromKeyboard(&changeBuffer[0], 0, 8);
+
+ if ((changeBuffer[0] == '.') || (changeBuffer[1] == '.') ||
+ (changeBuffer[2] == '.') || (changeBuffer[3] == '.') ||
+ (changeBuffer[4] == '.') || (changeBuffer[5] == '.') ||
+ (changeBuffer[6] == '.') || (changeBuffer[7] == '.'))
+ break;
+
+ pB = (BYTE *) &changeBuffer[0];
+ len = strlen(pB);
+ for (i=0; i < len; i++)
+ DBGPrint("\b");
+
+ value = EvaluateExpression(0, &pB, &valid);
+ if (valid)
+ *changeD = value;
+ DBGPrint("%08X ", (unsigned)*changeD);
+
+ changeD++;
+ if (count++ > maxlen)
+ break;
+ }
+ if (DBGPrint("\n")) return TRUE;
+ }
+
+ if (count)
+ {
+ DBGPrint("enter start address for search: ");
+ ScreenInputFromKeyboard(&changeBuffer[0], 0, 16);
+ pB = (BYTE *) &changeBuffer[0];
+ address = EvaluateExpression(0, &pB, &valid);
+ if (valid)
+ {
+ register ULONG temp;
+
+ DBGPrint("start address = [%08X]\n", (unsigned)address);
+
+ DBGPrint("enter ending address for search: ");
+ ScreenInputFromKeyboard(&changeBuffer[0], 0, 16);
+ pB = (BYTE *) &changeBuffer[0];
+ temp = EvaluateExpression(0, &pB, &valid);
+ if (valid)
+ EndingAddress = temp;
+
+ DBGPrint("searching memory from 0x%08X to 0x%08X\n",
+ (unsigned)address, (unsigned)EndingAddress);
+ while (address < EndingAddress)
+ {
+ read_memory((void *)address, copyBuffer, count *
sizeof(ULONG));
+ if (!memcmp(searchBuffer, copyBuffer, count * sizeof(ULONG))) +
{
+ if (DBGPrint("match at address [%08X]\n",
+ (unsigned)address)) return TRUE;
+ if (dumpDoubleSearchResults((BYTE *)address, 4))
+ return TRUE;
+ if (DBGPrint("searching\n")) return TRUE;
+ }
+ address++;
+ if (!(address % 0x100000))
+ {
+ if (DBGPrint("searching memory at address 0x%08X ..."
+ " Q or q to abort - any key to proceed\n", +
(unsigned)address)) return TRUE;
+ key = mdb_getkey();
+ if (((char)key == 'Q') || ((char)key == 'q'))
+ break;
+ }
+ }
+ if (DBGPrint("search completed.\n")) return TRUE;
+ return TRUE;
+ }
+ if (DBGPrint("invalid start address\n")) return TRUE;
+ return TRUE;
+ }
+ if (DBGPrint("no search pattern\n")) return TRUE;
+ return TRUE;
+}
+
+
+ULONG changeMemoryHelp(BYTE *commandLine, DEBUGGER_PARSER *parser) +{
+ if (commandLine) {}
+ if (parser) {}
+
+ DBGPrint("c <address> - change bytes at address\n"); +
DBGPrint("cb <address> - change bytes at address\n"); +
DBGPrint("cw <address> - change words at address\n"); +
DBGPrint("cd <address> - change dwords at address\n"); +
return TRUE;
+}
+
+// CW
+
+ULONG changeWordValue(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ register BYTE *changeBuffer = &workbuf[0][0];
+ register WORD *changeW, oldW;
+ BYTE *pB;
+ register ULONG address, r, value, len, i;
+ ULONG valid;
+
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ cmd = &cmd[parser->debugCommandNameLength];
+ while (*cmd && *cmd == ' ') cmd++;
+
+ address = EvaluateExpression(stackFrame, &cmd, &valid);
+ if (valid)
+ {
+ changeW = (WORD *) address;
+ changeBuffer[0] = '\0';
+ DBGPrint("enter new value, <enter> to skip, or '.' to exit\n");
+ while (changeBuffer[0] != '.')
+ {
+ DBGPrint("[%08X] ", (unsigned)changeW);
+ for (r=0; r < 4; r++)
+ {
+ oldW = (WORD) mdb_getword((ULONG)changeW, 2);
+ DBGPrint("(%04X)=", (unsigned) oldW);
+
+ ScreenInputFromKeyboard(&changeBuffer[0], 0, 6);
+
+ if ((changeBuffer[0] == '.') || (changeBuffer[1] == '.') || +
(changeBuffer[2] == '.') || (changeBuffer[3] == '.'))
+ break;
+ pB = (BYTE *) &changeBuffer[0];
+ len = strlen(pB);
+
+ for (i=0; i < len; i++)
+ DBGPrint("\b");
+
+ value = EvaluateExpression(0, &pB, &valid);
+ if (valid)
+ mdb_putword((ULONG)changeW, value, 2);
+ DBGPrint("%04X ", (unsigned) mdb_getword((ULONG)changeW, 2)); +
changeW++;
+ }
+ if (DBGPrint("\n")) return TRUE;
+ }
+ return TRUE;
+ }
+ DBGPrint("invalid change (word) address\n");
+ return TRUE;
+}
+
+// CD
+
+ULONG changeDoubleValue(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ register BYTE *changeBuffer = &workbuf[0][0];
+ register ULONG *changeD, oldD;
+ register ULONG address, r, value, len, i;
+ BYTE *pB;
+ ULONG valid;
+
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ cmd = &cmd[parser->debugCommandNameLength];
+ while (*cmd && *cmd == ' ') cmd++;
+
+ address = EvaluateExpression(stackFrame, &cmd, &valid);
+ if (valid)
+ {
+ changeD = (ULONG *) address;
+ changeBuffer[0] = '\0';
+ DBGPrint("enter new value, <enter> to skip, or '.' to exit\n");
+ while (changeBuffer[0] != '.')
+ {
+ DBGPrint("[%08X] ", (unsigned)changeD);
+ for (r=0; r < 2; r++)
+ {
+ oldD = (ULONG) mdb_getword((ULONG)changeD, 4);
+ DBGPrint("(%08X)=", (unsigned) oldD);
+
+ ScreenInputFromKeyboard(&changeBuffer[0], 0, 8);
+
+ if ((changeBuffer[0] == '.') || (changeBuffer[1] == '.') || +
(changeBuffer[2] == '.') || (changeBuffer[3] == '.') ||
+ (changeBuffer[4] == '.') || (changeBuffer[5] == '.') ||
+ (changeBuffer[6] == '.') || (changeBuffer[7] == '.'))
+ break;
+
+ pB = (BYTE *) &changeBuffer[0];
+ len = strlen(pB);
+
+ for (i=0; i < len; i++)
+ DBGPrint("\b");
+
+ value = EvaluateExpression(0, &pB, &valid);
+ if (valid)
+ mdb_putword((ULONG)changeD, value, 4);
+ DBGPrint("%08X ", (unsigned)mdb_getword((ULONG)changeD, 4)); +
changeD++;
+ }
+ if (DBGPrint("\n")) return TRUE;
+ }
+ return TRUE;
+ }
+ DBGPrint("invalid change (dword) address\n");
+ return TRUE;
+}
+
+// CB
+
+ULONG changeByteValue(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ BYTE *changeBuffer = &workbuf[0][0];
+ register BYTE *changeB, oldB;
+ BYTE *pB;
+ register ULONG address, r, value, len, i;
+ ULONG valid;
+
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ cmd = &cmd[parser->debugCommandNameLength];
+ while (*cmd && *cmd == ' ') cmd++;
+
+ address = EvaluateExpression(stackFrame, &cmd, &valid);
+ if (valid)
+ {
+ changeB = (BYTE *) address;
+ changeBuffer[0] = '\0';
+ DBGPrint("enter new value, <enter> to skip, or '.' to exit\n");
+ while (changeBuffer[0] != '.')
+ {
+ DBGPrint("[%08X] ", (unsigned)changeB);
+ for (r=0; r < 8; r++)
+ {
+ oldB = (BYTE) mdb_getword((ULONG)changeB, 1);
+ DBGPrint("(%02X)=", (unsigned) oldB);
+
+ ScreenInputFromKeyboard(&changeBuffer[0], 0, 4);
+
+ if ((changeBuffer[0] == '.') || (changeBuffer[1] == '.'))
+ break;
+
+ pB = (BYTE *) &changeBuffer[0];
+ len = strlen(pB);
+ for (i=0; i < len; i++)
+ DBGPrint("\b");
+
+ value = EvaluateExpression(0, &pB, &valid);
+ if (valid)
+ mdb_putword((ULONG)changeB, value, 1);
+ DBGPrint("%02X ", (BYTE) mdb_getword((ULONG)changeB, 1));
+ changeB++;
+ }
+ if (DBGPrint("\n")) return TRUE;
+ }
+ return TRUE;
+ }
+ DBGPrint("invalid change (byte) address\n");
+ return TRUE;
+}
+
+// C
+
+ULONG changeDefaultValue(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ BYTE *changeBuffer = &workbuf[0][0];
+ register BYTE *changeB, oldB;
+ BYTE *pB;
+ register ULONG address, r, value, len, i;
+ ULONG valid;
+
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ cmd = &cmd[parser->debugCommandNameLength];
+ while (*cmd && *cmd == ' ') cmd++;
+
+ address = EvaluateExpression(stackFrame, &cmd, &valid);
+ if (valid)
+ {
+ changeB = (BYTE *) address;
+ changeBuffer[0] = '\0';
+ DBGPrint("enter new value, <enter> to skip, or '.' to exit\n");
+ while (changeBuffer[0] != '.')
+ {
+ DBGPrint("[%08X] ", (unsigned)changeB);
+ for (r=0; r < 8; r++)
+ {
+ oldB = (BYTE) mdb_getword((ULONG)changeB, 1);
+ DBGPrint("(%02X)=", (BYTE) oldB);
+
+ ScreenInputFromKeyboard(&changeBuffer[0], 0, 4);
+
+ if ((changeBuffer[0] == '.') || (changeBuffer[1] == '.'))
+ break;
+
+ pB = (BYTE *) &changeBuffer[0];
+ len = strlen(pB);
+
+ for (i=0; i < len; i++)
+ DBGPrint("\b");
+
+ value = EvaluateExpression(0, &pB, &valid);
+ if (valid)
+ mdb_putword((ULONG)changeB, value, 1);
+ DBGPrint("%02X ", (BYTE) mdb_getword((ULONG)changeB, 1));
+ changeB++;
+ }
+ if (DBGPrint("\n")) return TRUE;
+ }
+ return TRUE;
+ }
+ DBGPrint("invalid change (byte) address\n");
+ return TRUE;
+
+}
+
+ULONG displayCloseHelp(BYTE *commandLine, DEBUGGER_PARSER *parser) +{
+ if (commandLine) {}
+ if (parser) {}
+
+ DBGPrint("? <address> - display closest symbols to
<address>\n");
+ return TRUE;
+
+}
+
+// ?
+
+ULONG displayCloseSymbols(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ register ULONG oldD;
+ ULONG valid;
+
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ cmd = &cmd[parser->debugCommandNameLength];
+ while (*cmd && *cmd == ' ') cmd++;
+
+ oldD = EvaluateExpression(stackFrame, &cmd, &valid);
+ if (!valid)
+ oldD = GetIP(stackFrame);
+ DisplayClosestSymbol(oldD);
+ return TRUE;
+
+}
+
+ULONG debuggerWalkStack(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ ULONG valid;
+
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ cmd = &cmd[parser->debugCommandNameLength];
+ while (*cmd && *cmd == ' ') cmd++;
+
+ if (repeatCommand)
+ {
+ lastDumpAddress = dumpStack(stackFrame,
+ (BYTE *)lastDumpAddress, lastDisplayLength);
+ return TRUE;
+ }
+ lastDumpAddress = (BYTE *) EvaluateExpression(stackFrame, &cmd,
&valid);
+ if (!valid)
+ lastDumpAddress = (BYTE *) GetStackAddress(stackFrame);
+ displayLength = EvaluateExpression(stackFrame, &cmd, &valid); +
if (!displayLength || displayLength > 20)
+ displayLength = 20;
+ lastDumpAddress = dumpStack(stackFrame, (BYTE *)lastDumpAddress,
displayLength);
+ return TRUE;
+
+}
+
+ULONG displayDumpHelp(BYTE *commandLine, DEBUGGER_PARSER *parser) +{
+ if (commandLine) {}
+ if (parser) {}
+
+ DBGPrint("d <address> <#lines> - dump memory as bytes\n"); +
DBGPrint("dw <address> <#lines> - dump memory as words\n"); +
DBGPrint("dd <address> <#lines> - dump memory as double words\n"); +
DBGPrint("dl <address> <#lines> - dump linked list\n");
+ DBGPrint("ds <address> <#lines> - dump stack\n");
+ DBGPrint("dds <address> <#lines> - dump stack double word\n"); +
DBGPrint("w <address> - display symbols on the
stack\n");
+
+ return TRUE;
+}
+
+// DL
+
+ULONG debuggerDumpLinkedList(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ ULONG valid;
+ extern volatile BYTE *lastLinkAddress;
+
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ cmd = &cmd[parser->debugCommandNameLength];
+ while (*cmd && *cmd == ' ') cmd++;
+
+ if (repeatCommand)
+ {
+ lastLinkAddress = dumpLinkedList((BYTE *)lastLinkAddress,
lastDisplayLength, 0);
+ return TRUE;
+ }
+
+ lastLinkAddress = (BYTE *) EvaluateNumericExpression(stackFrame, &cmd,
+ &valid); +
if (!valid)
+ lastLinkAddress = (BYTE *) GetStackAddress(stackFrame);
+
+ displayLength = EvaluateNumericExpression(stackFrame, &cmd, &valid);
+ if (!displayLength || displayLength > 20)
+ displayLength = 20;
+
+ lastLinkAddress = dumpLinkedList((BYTE *)lastLinkAddress,
displayLength, 0);
+
+ return TRUE;
+
+}
+
+// DW
+
+ULONG debuggerDumpWord(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ ULONG valid;
+
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ cmd = &cmd[parser->debugCommandNameLength];
+ while (*cmd && *cmd == ' ') cmd++;
+
+ if (repeatCommand)
+ {
+ lastDumpAddress = dumpWord((BYTE *)lastDumpAddress, lastDisplayLength);
+ return TRUE;
+ }
+ lastDumpAddress = (BYTE *) EvaluateExpression(stackFrame, &cmd,
&valid);
+ if (!valid)
+ lastDumpAddress = (BYTE *) GetStackAddress(stackFrame);
+ displayLength = EvaluateExpression(stackFrame, &cmd, &valid); +
if (!displayLength || displayLength > 20)
+ displayLength = 20;
+ lastDumpAddress = dumpWord((BYTE *)lastDumpAddress, displayLength);
+ return TRUE;
+}
+
+// DS
+
+ULONG debuggerDumpStack(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ ULONG valid;
+
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ cmd = &cmd[parser->debugCommandNameLength];
+ while (*cmd && *cmd == ' ') cmd++;
+
+ if (repeatCommand)
+ {
+ lastDumpAddress = dumpStack(stackFrame, (BYTE *)lastDumpAddress,
lastDisplayLength);
+ return TRUE;
+ }
+ lastDumpAddress = (BYTE *) EvaluateExpression(stackFrame, &cmd,
&valid);
+ if (!valid)
+ lastDumpAddress = (BYTE *) GetStackAddress(stackFrame);
+ displayLength = EvaluateExpression(stackFrame, &cmd, &valid); +
if (!displayLength || displayLength > 20)
+ displayLength = 20;
+ lastDumpAddress = dumpStack(stackFrame, (BYTE *)lastDumpAddress,
displayLength);
+ return TRUE;
+
+}
+
+// DDS
+
+ULONG debuggerDumpDoubleStack(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ ULONG valid;
+
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ cmd = &cmd[parser->debugCommandNameLength];
+ while (*cmd && *cmd == ' ') cmd++;
+
+ if (repeatCommand)
+ {
+ lastDumpAddress = dumpDoubleStack(stackFrame, (BYTE *)lastDumpAddress,
+ lastDisplayLength);
+ return TRUE;
+ }
+ lastDumpAddress = (BYTE *) EvaluateExpression(stackFrame, &cmd,
&valid);
+ if (!valid)
+ lastDumpAddress = (BYTE *) GetStackAddress(stackFrame);
+ displayLength = EvaluateExpression(stackFrame, &cmd, &valid); +
if (!displayLength || displayLength > 20)
+ displayLength = 20;
+ lastDumpAddress = dumpDoubleStack(stackFrame, (BYTE
*)lastDumpAddress,
+ displayLength);
+ return TRUE;
+
+}
+
+// DD
+
+ULONG debuggerDumpDouble(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ ULONG valid;
+
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ cmd = &cmd[parser->debugCommandNameLength];
+ while (*cmd && *cmd == ' ') cmd++;
+
+ if (repeatCommand)
+ {
+ lastDumpAddress = dumpDouble((BYTE *)lastDumpAddress,
lastDisplayLength);
+ return TRUE;
+ }
+ lastDumpAddress = (BYTE *) EvaluateExpression(stackFrame, &cmd,
&valid);
+ if (!valid)
+ lastDumpAddress = (BYTE *) GetStackAddress(stackFrame);
+ displayLength = EvaluateExpression(stackFrame, &cmd, &valid); +
if (!displayLength || displayLength > 20)
+ displayLength = 20;
+ lastDumpAddress = dumpDouble((BYTE *)lastDumpAddress,
displayLength);
+ return TRUE;
+
+}
+
+// D
+
+ULONG debuggerDumpByte(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ ULONG valid;
+
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ cmd = &cmd[parser->debugCommandNameLength];
+ while (*cmd && *cmd == ' ') cmd++;
+
+ if (repeatCommand)
+ {
+ lastDumpAddress = dump((BYTE *)lastDumpAddress, lastDisplayLength);
+ return TRUE;
+ }
+ lastDumpAddress = (BYTE *) EvaluateExpression(stackFrame, &cmd,
&valid);
+ if (!valid)
+ lastDumpAddress = (BYTE *) GetStackAddress(stackFrame);
+ displayLength = EvaluateExpression(stackFrame, &cmd, &valid); +
if (!displayLength || displayLength > 20)
+ displayLength = 20;
+ lastDumpAddress = dump((BYTE *)lastDumpAddress, displayLength); +
return TRUE;
+
+}
+
+ULONG displayDisassembleHelp(BYTE *commandLine, DEBUGGER_PARSER *parser) +{
+ if (commandLine) {}
+ if (parser) {}
+
+ DBGPrint("id <address> <#lines> - unassemble code (32-bit)\n"); +
DBGPrint("u <address> <#lines> - unassemble code (32-bit)\n"); +
DBGPrint("uu <address> <#lines> - unassemble code (16-bit)\n"); +
return TRUE;
+}
+
+// UU
+
+ULONG processDisassemble16(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ ULONG valid;
+
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ cmd = &cmd[parser->debugCommandNameLength];
+ while (*cmd && *cmd == ' ') cmd++;
+
+ if (repeatCommand)
+ {
+ lastUnasmAddress = disassemble(stackFrame, (ULONG)lastUnasmAddress,
+ lastDisplayLength, 0);
+ return TRUE;
+ }
+ lastUnasmAddress = EvaluateExpression(stackFrame, &cmd, &valid); +
if (!valid)
+ {
+ if (!*cmd)
+ lastUnasmAddress = GetIP(stackFrame);
+ else
+ {
+ DBGPrint("invalid address for unassemble\n");
+ return TRUE;
+ }
+ }
+ displayLength = EvaluateExpression(stackFrame, &cmd, &valid); +
if (!displayLength || displayLength > 20)
+ displayLength = 20;
+ lastUnasmAddress = disassemble(stackFrame, (ULONG)lastUnasmAddress,
+ displayLength, 0);
+ return TRUE;
+}
+
+// U
+
+ULONG processDisassemble32(BYTE *cmd,
+ StackFrame *stackFrame, ULONG Exception,
+ DEBUGGER_PARSER *parser)
+{
+ ULONG valid;
+
+ if (cmd) {};
+ if (stackFrame) {};
+ if (Exception) {};
+ if (parser) {};
+
+ cmd = &cmd[parser->debugCommandNameLength];
+ while (*cmd && *cmd == ' ') cmd++;
+
+ if (repeatCommand)
+ {
+ lastUnasmAddress = disassemble(stackFrame, (ULONG)lastUnasmAddress,
+ lastDisplayLength, 1);
+ return TRUE;
+ }
+ lastUnasmAddress = EvaluateExpression(stackFrame, &cmd, &valid); +
if (!valid)
+ {
+ if (!*cmd)
+ lastUnasmAddress = GetIP(stackFrame);
+ else
+ {
+ DBGPrint("invalid address for unassemble\n");
+ return TRUE;
+ }
+ }
+ displayLength = EvaluateExpression(stackFrame, &cmd, &valid); +
if (!displayLength || displayLength > 20)
+ displayLength = 20;
+ lastUnasmAddress = disassemble(stackFrame, (ULONG)lastUnasmAddress,
+ displayLength, 1);
+ return TRUE;
+
+}
+
+#endif
By making a contribution to this project, I certify that the contribution
was created in whole or in part by me and I have the right to submit it
under the open source license indicated in the file
Jeffrey Vernon Merkey
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