static JObject* InitModules() { InitModuleList(); return InitProcess(); }
//************************************************************************* // InitPICE() // //************************************************************************* BOOLEAN InitPICE(void) { ULONG ulHandleScancode=0,ulHandleKbdEvent=0; ARGS Args; KIRQL Dirql; KAFFINITY Affinity; ULONG ulAddr; ENTER_FUNC(); DPRINT((0,"InitPICE(): trace step 0.5\n")); KeyboardIRQL = HalGetInterruptVector(Internal, 0, 0, KEYBOARD_IRQ, &Dirql, &Affinity); DPRINT((0,"KeyboardIRQL: %x\n", KeyboardIRQL)); DPRINT((0,"InitPICE(): trace step 1\n")); // enable monochrome passthrough on BX type chipset EnablePassThrough(); DPRINT((0,"InitPICE(): trace step 2\n")); // now load all symbol files described in /etc/pice.conf if(!LoadSymbolsFromConfig(FALSE)) { DPRINT((0,"InitPICE: LoadSymbolsFromConfig() failed\n")); LEAVE_FUNC(); return FALSE; } DPRINT((0,"InitPICE(): trace step 3\n")); // init the output console // this might be one of the following depending setup // a) monochrome card // b) serial terminal (TODO) if(!ConsoleInit()) { DPRINT((0,"InitPICE: ConsoleInit() failed\n")); UnloadSymbols(); LEAVE_FUNC(); return FALSE; } DPRINT((0,"InitPICE(): trace step 4\n")); // print the initial screen template PrintTemplate(); /* DPRINT((0,"InitPICE(): trace step 5\n")); // ask the user if he wants to abort the debugger load if(!CheckLoadAbort()) { Print(OUTPUT_WINDOW,"pICE: ABORT (abort by user)\n"); UnloadSymbols(); ConsoleShutdown(); LEAVE_FUNC(); return FALSE; } */ DPRINT((0,"InitPICE(): trace step 6\n")); // load the file /boot/System.map. // !!! It must be consistent with the current kernel at all cost!!! if(!LoadExports()) { Print(OUTPUT_WINDOW,"pICE: failed to load exports\n"); Print(OUTPUT_WINDOW,"press any key to continue...\n"); while(!GetKeyPolled()); UnloadSymbols(); ConsoleShutdown(); LEAVE_FUNC(); return FALSE; } DPRINT((0,"InitPICE(): trace step 7\n")); ScanExports("_KernelAddressSpace", &ulAddr); my_init_mm = (PMADDRESS_SPACE) ulAddr; DPRINT((0,"init_mm %x @ %x\n",&my_init_mm,my_init_mm)); if(!my_init_mm) { Print(OUTPUT_WINDOW,"pICE: ABORT (initial memory map not found)\n"); Print(OUTPUT_WINDOW,"pICE: press any key to continue...\n"); DbgPrint("pICE: ABORT (initial memory map not found)\n"); DbgPrint("pICE: press any key to continue...\n"); while(!GetKeyPolled()); UnloadSymbols(); ConsoleShutdown(); LEAVE_FUNC(); return FALSE; } DPRINT((0,"InitPICE(): trace step 7.1\n")); ScanExports("_ModuleListHead",&ulAddr); pModuleListHead = (LIST_ENTRY*)ulAddr; DPRINT((0,"pModuleListHead @ %X\n",pModuleListHead)); if(!pModuleListHead) { Print(OUTPUT_WINDOW,"pICE: ABORT (pModuleListHead not found)\n"); Print(OUTPUT_WINDOW,"pICE: press any key to continue...\n"); while(!GetKeyPolled()); UnloadSymbols(); ConsoleShutdown(); LEAVE_FUNC(); return FALSE; } DPRINT((0,"InitPICE(): trace step 7.2\n")); ScanExports("_PsProcessListHead",&ulAddr); pPsProcessListHead = (LIST_ENTRY*)ulAddr; DPRINT((0,"pPsProcessListHead @ %X\n",pPsProcessListHead)); if(!pPsProcessListHead) { Print(OUTPUT_WINDOW,"pICE: ABORT (PsProcessListHead not found)\n"); Print(OUTPUT_WINDOW,"pICE: press any key to continue...\n"); while(!GetKeyPolled()); UnloadSymbols(); ConsoleShutdown(); LEAVE_FUNC(); return FALSE; } DPRINT((0,"InitPICE(): trace step 8\n")); // end of the kernel /* ScanExports("_end",(PULONG)&kernel_end); if(!kernel_end) { Print(OUTPUT_WINDOW,"pICE: ABORT (kernel size is unknown)\n"); Print(OUTPUT_WINDOW,"pICE: press any key to continue...\n"); while(!GetKeyPolled()); UnloadExports(); UnloadSymbols(); ConsoleShutdown(); LEAVE_FUNC(); return FALSE; } */ DPRINT((0,"InitPICE(): trace step 9\n")); // the loaded module list ScanExports("_NameSpaceRoot", &ulAddr); pNameSpaceRoot = (PDIRECTORY_OBJECT *)ulAddr; DPRINT((0,"pNameSpaceRoot @ %X\n",pNameSpaceRoot)); if(!pNameSpaceRoot) { Print(OUTPUT_WINDOW,"pICE: ABORT (couldn't retreive name space root)\n"); Print(OUTPUT_WINDOW,"pICE: press any key to continue...\n"); while(!GetKeyPolled()); UnloadExports(); UnloadSymbols(); ConsoleShutdown(); LEAVE_FUNC(); return FALSE; } DPRINT((0,"InitPICE(): trace step 10\n")); // setup a linked list for use in module parsing routines. if(!InitModuleList(&pdebug_module_head, 100)) { Print(OUTPUT_WINDOW,"pICE: ABORT (couldn't initialize kernel module list)\n"); Print(OUTPUT_WINDOW,"pICE: press any key to continue...\n"); FreeModuleList( pdebug_module_head ); while(!GetKeyPolled()); UnloadExports(); UnloadSymbols(); ConsoleShutdown(); LEAVE_FUNC(); return FALSE; } pdebug_module_tail = pdebug_module_head; DPRINT((0,"InitPICE(): trace step 11\n")); // do a sanity check on exports if(!SanityCheckExports()) { Print(OUTPUT_WINDOW,"pICE: ABORT (exports are conflicting with kernel symbols)\n"); Print(OUTPUT_WINDOW,"pICE: press any key to continue...\n"); while(!GetKeyPolled()); UnloadExports(); UnloadSymbols(); ConsoleShutdown(); LEAVE_FUNC(); return FALSE; } DPRINT((0,"InitPICE(): trace step 12\n")); DPRINT((0,"InitPICE(): trace step 13\n")); // patch the keyboard driver if(!PatchKeyboardDriver()) { Print(OUTPUT_WINDOW,"pICE: ABORT (couldn't patch keyboard driver)\n"); Print(OUTPUT_WINDOW,"pICE: press any key to continue...\n"); while(!GetKeyPolled()); UnloadSymbols(); UnloadExports(); ConsoleShutdown(); LEAVE_FUNC(); return FALSE; } DPRINT((0,"InitPICE(): trace step 14\n")); // partial init of shadow registers CurrentCS = GLOBAL_CODE_SEGMENT; CurrentEIP = (ULONG)RealIsr; CurrentDS = CurrentSS = GLOBAL_DATA_SEGMENT; __asm__("\n\t \ mov %%esp,%%eax\n\t \ mov %%eax,_CurrentESP\n\t \ ":::"eax"); // display version and symbol information Ver(NULL); // disable HW breakpoints __asm__("\n\t \ xorl %%eax,%%eax\n\t \ mov %%eax,%%dr6\n\t \ mov %%eax,%%dr7\n\t \ mov %%dr0,%%eax\n\t \ mov %%dr1,%%eax\n\t \ mov %%dr2,%%eax\n\t \ mov %%dr3,%%eax" :::"eax" ); DPRINT((0,"InitPICE(): trace step 15\n")); TakeIdtSnapshot(); DPRINT((0,"InitPICE(): trace step 16\n")); // install all hooks InstallTraceHook(); InstallGlobalKeyboardHook(); InstallSyscallHook(); InstallInt3Hook(); InstallDblFltHook(); InstallGPFaultHook(); InstallIntEHook(); InstallPrintkHook(); DPRINT((0,"InitPICE(): trace step 16\n")); if(ulDoInitialBreak) { DPRINT((0,"about to do initial break...\n")); // simulate an initial break __asm__("\n\t \ pushfl\n\t \ pushl %cs\n\t \ pushl $initialreturnpoint\n\t \ pushl $" STR(REASON_CTRLF) "\n\t \ jmp NewInt31Handler\n\t \ initialreturnpoint:"); } else {