mirror of
https://github.com/reactos/reactos.git
synced 2025-05-07 10:46:58 +00:00
[NTOS:KDBG] Remove useless file
This commit is contained in:
Hervé Poussineau
parent
129e009a2c
commit
083cf05f7b
1 changed files with 0 additions and 768 deletions
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@ -1,768 +0,0 @@
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/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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* FILE: ntoskrnl/kdbg/kdb_symbols.cmake.c
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* PURPOSE: Getting symbol information...
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*
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* PROGRAMMERS: David Welch (welch@cwcom.net)
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* Colin Finck (colin@reactos.org)
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*/
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/* INCLUDES *****************************************************************/
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#include <ntoskrnl.h>
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#define NDEBUG
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#include <cache/section/newmm.h>
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#include <debug.h>
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/* GLOBALS ******************************************************************/
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typedef struct _IMAGE_SYMBOL_INFO_CACHE
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{
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LIST_ENTRY ListEntry;
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ULONG RefCount;
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UNICODE_STRING FileName;
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PROSSYM_INFO RosSymInfo;
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}
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IMAGE_SYMBOL_INFO_CACHE, *PIMAGE_SYMBOL_INFO_CACHE;
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typedef struct _ROSSYM_KM_OWN_CONTEXT {
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LARGE_INTEGER FileOffset;
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PFILE_OBJECT FileObject;
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} ROSSYM_KM_OWN_CONTEXT, *PROSSYM_KM_OWN_CONTEXT;
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static BOOLEAN LoadSymbols;
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static LIST_ENTRY SymbolFileListHead;
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static KSPIN_LOCK SymbolFileListLock;
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//static PROSSYM_INFO KdbpRosSymInfo;
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//static ULONG_PTR KdbpImageBase;
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BOOLEAN KdbpSymbolsInitialized = FALSE;
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/* FUNCTIONS ****************************************************************/
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static BOOLEAN
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KdbpSeekSymFile(PVOID FileContext, ULONG_PTR Target)
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{
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PROSSYM_KM_OWN_CONTEXT Context = (PROSSYM_KM_OWN_CONTEXT)FileContext;
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Context->FileOffset.QuadPart = Target;
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return TRUE;
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}
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static BOOLEAN
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KdbpReadSymFile(PVOID FileContext, PVOID Buffer, ULONG Length)
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{
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PROSSYM_KM_OWN_CONTEXT Context = (PROSSYM_KM_OWN_CONTEXT)FileContext;
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IO_STATUS_BLOCK Iosb;
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NTSTATUS Status = MiSimpleRead
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(Context->FileObject,
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&Context->FileOffset,
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Buffer,
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Length,
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FALSE,
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&Iosb);
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return NT_SUCCESS(Status);
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}
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static PROSSYM_KM_OWN_CONTEXT
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KdbpCaptureFileForSymbols(PFILE_OBJECT FileObject)
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{
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PROSSYM_KM_OWN_CONTEXT Context = ExAllocatePool(NonPagedPool, sizeof(*Context));
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if (!Context) return NULL;
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ObReferenceObject(FileObject);
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Context->FileOffset.QuadPart = 0;
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Context->FileObject = FileObject;
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return Context;
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}
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static VOID
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KdbpReleaseFileForSymbols(PROSSYM_KM_OWN_CONTEXT Context)
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{
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ObDereferenceObject(Context->FileObject);
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ExFreePool(Context);
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}
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static BOOLEAN
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KdbpSymSearchModuleList(
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IN PLIST_ENTRY current_entry,
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IN PLIST_ENTRY end_entry,
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IN PLONG Count,
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IN PVOID Address,
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IN LPCWSTR Name,
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IN INT Index,
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OUT PLDR_DATA_TABLE_ENTRY* pLdrEntry)
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{
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while (current_entry && current_entry != end_entry)
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{
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*pLdrEntry = CONTAINING_RECORD(current_entry, LDR_DATA_TABLE_ENTRY, InLoadOrderLinks);
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if ((Address && Address >= (PVOID)(*pLdrEntry)->DllBase && Address < (PVOID)((ULONG_PTR)(*pLdrEntry)->DllBase + (*pLdrEntry)->SizeOfImage)) ||
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(Name && !_wcsnicmp((*pLdrEntry)->BaseDllName.Buffer, Name, (*pLdrEntry)->BaseDllName.Length / sizeof(WCHAR))) ||
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(Index >= 0 && (*Count)++ == Index))
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{
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return TRUE;
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}
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current_entry = current_entry->Flink;
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}
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return FALSE;
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}
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/*! \brief Find a module...
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*
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* \param Address If \a Address is not NULL the module containing \a Address
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* is searched.
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* \param Name If \a Name is not NULL the module named \a Name will be
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* searched.
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* \param Index If \a Index is >= 0 the Index'th module will be returned.
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* \param pLdrEntry Pointer to a PLDR_DATA_TABLE_ENTRY which is filled.
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*
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* \retval TRUE Module was found, \a pLdrEntry was filled.
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* \retval FALSE No module was found.
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*/
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BOOLEAN
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KdbpSymFindModule(
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IN PVOID Address OPTIONAL,
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IN LPCWSTR Name OPTIONAL,
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IN INT Index OPTIONAL,
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OUT PLDR_DATA_TABLE_ENTRY* pLdrEntry)
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{
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LONG Count = 0;
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PEPROCESS CurrentProcess;
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/* First try to look up the module in the kernel module list. */
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if(KdbpSymSearchModuleList(PsLoadedModuleList.Flink,
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&PsLoadedModuleList,
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&Count,
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Address,
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Name,
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Index,
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pLdrEntry))
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{
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return TRUE;
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}
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/* That didn't succeed. Try the module list of the current process now. */
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CurrentProcess = PsGetCurrentProcess();
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if(!CurrentProcess || !CurrentProcess->Peb || !CurrentProcess->Peb->Ldr)
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return FALSE;
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return KdbpSymSearchModuleList(CurrentProcess->Peb->Ldr->InLoadOrderModuleList.Flink,
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&CurrentProcess->Peb->Ldr->InLoadOrderModuleList,
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&Count,
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Address,
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Name,
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Index,
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pLdrEntry);
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}
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/*! \brief Print address...
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*
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* Tries to lookup line number, file name and function name for the given
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* address and prints it.
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* If no such information is found the address is printed in the format
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* <module: offset>, otherwise the format will be
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* <module: offset (filename:linenumber (functionname))>
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*
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* \retval TRUE Module containing \a Address was found, \a Address was printed.
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* \retval FALSE No module containing \a Address was found, nothing was printed.
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*/
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BOOLEAN
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KdbSymPrintAddress(
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IN PVOID Address,
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IN PKTRAP_FRAME Context)
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{
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int i;
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PMEMORY_AREA MemoryArea = NULL;
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PROS_SECTION_OBJECT SectionObject;
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PLDR_DATA_TABLE_ENTRY LdrEntry;
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#if 0
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PROSSYM_KM_OWN_CONTEXT FileContext;
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#endif
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ULONG_PTR RelativeAddress;
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NTSTATUS Status;
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ROSSYM_LINEINFO LineInfo = {0};
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struct {
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enum _ROSSYM_REGNAME regname;
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size_t ctx_offset;
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} regmap[] = {
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{ ROSSYM_X86_EDX, FIELD_OFFSET(KTRAP_FRAME, Edx) },
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{ ROSSYM_X86_EAX, FIELD_OFFSET(KTRAP_FRAME, Eax) },
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{ ROSSYM_X86_ECX, FIELD_OFFSET(KTRAP_FRAME, Ecx) },
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{ ROSSYM_X86_EBX, FIELD_OFFSET(KTRAP_FRAME, Ebx) },
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{ ROSSYM_X86_ESI, FIELD_OFFSET(KTRAP_FRAME, Esi) },
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{ ROSSYM_X86_EDI, FIELD_OFFSET(KTRAP_FRAME, Edi) },
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{ ROSSYM_X86_EBP, FIELD_OFFSET(KTRAP_FRAME, Ebp) },
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{ ROSSYM_X86_ESP, FIELD_OFFSET(KTRAP_FRAME, HardwareEsp) }
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};
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if (Context)
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{
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#if 0
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// Disable arguments for now
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DPRINT("Has Context %x (EBP %x)\n", Context, Context->Ebp);
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LineInfo.Flags = ROSSYM_LINEINFO_HAS_REGISTERS;
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#endif
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for (i = 0; i < sizeof(regmap) / sizeof(regmap[0]); i++) {
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memcpy
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(&LineInfo.Registers.Registers[regmap[i].regname],
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((PCHAR)Context)+regmap[i].ctx_offset,
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sizeof(ULONG_PTR));
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DPRINT("DWARF REG[%d] -> %x\n", regmap[i].regname, LineInfo.Registers.Registers[regmap[i].regname]);
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}
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}
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if (!KdbpSymbolsInitialized || !KdbpSymFindModule(Address, NULL, -1, &LdrEntry))
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return FALSE;
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RelativeAddress = (ULONG_PTR)Address - (ULONG_PTR)LdrEntry->DllBase;
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Status = KdbSymGetAddressInformation
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(LdrEntry->PatchInformation,
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RelativeAddress,
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&LineInfo);
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if (NT_SUCCESS(Status))
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{
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DbgPrint("<%wZ:%x (%s:%d (%s))>",
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&LdrEntry->BaseDllName, RelativeAddress, LineInfo.FileName, LineInfo.LineNumber, LineInfo.FunctionName);
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if (Context && LineInfo.NumParams)
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{
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int i;
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char *comma = "";
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DbgPrint("(");
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for (i = 0; i < LineInfo.NumParams; i++) {
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DbgPrint
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("%s%s=%llx",
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comma,
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LineInfo.Parameters[i].ValueName,
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LineInfo.Parameters[i].Value);
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comma = ",";
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}
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DbgPrint(")");
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}
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return TRUE;
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}
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else if (Address < MmSystemRangeStart)
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{
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MemoryArea = MmLocateMemoryAreaByAddress(&PsGetCurrentProcess()->Vm, Address);
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if (!MemoryArea || MemoryArea->Type != MEMORY_AREA_SECTION_VIEW)
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{
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goto end;
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}
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SectionObject = MemoryArea->Data.SectionData.Section;
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if (!(SectionObject->AllocationAttributes & SEC_IMAGE)) goto end;
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#if 0
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if (MemoryArea->StartingAddress != (PVOID)KdbpImageBase)
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{
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if (KdbpRosSymInfo)
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{
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RosSymDelete(KdbpRosSymInfo);
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KdbpRosSymInfo = NULL;
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KdbpImageBase = 0;
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}
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if ((FileContext = KdbpCaptureFileForSymbols(SectionObject->FileObject)))
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{
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if (RosSymCreateFromFile(FileContext, &KdbpRosSymInfo))
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KdbpImageBase = (ULONG_PTR)MemoryArea->StartingAddress;
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KdbpReleaseFileForSymbols(FileContext);
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}
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}
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if (KdbpRosSymInfo)
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{
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RelativeAddress = (ULONG_PTR)Address - KdbpImageBase;
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RosSymFreeInfo(&LineInfo);
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Status = KdbSymGetAddressInformation
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(KdbpRosSymInfo,
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RelativeAddress,
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&LineInfo);
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if (NT_SUCCESS(Status))
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{
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DbgPrint
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("<%wZ:%x (%s:%d (%s))>",
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&SectionObject->FileObject->FileName,
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RelativeAddress,
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LineInfo.FileName,
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LineInfo.LineNumber,
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LineInfo.FunctionName);
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if (Context && LineInfo.NumParams)
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{
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int i;
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char *comma = "";
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DbgPrint("(");
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for (i = 0; i < LineInfo.NumParams; i++) {
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DbgPrint
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("%s%s=%llx",
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comma,
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LineInfo.Parameters[i].ValueName,
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LineInfo.Parameters[i].Value);
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comma = ",";
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}
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DbgPrint(")");
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}
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return TRUE;
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}
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}
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#endif
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}
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end:
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DbgPrint("<%wZ:%x>", &LdrEntry->BaseDllName, RelativeAddress);
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return TRUE;
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}
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/*! \brief Get information for an address (source file, line number,
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* function name)
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*
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* \param SymbolInfo Pointer to ROSSYM_INFO.
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* \param RelativeAddress Relative address to look up.
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* \param LineNumber Pointer to an ULONG which is filled with the line
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* number (can be NULL)
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* \param FileName Pointer to an array of CHARs which gets filled with
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* the filename (can be NULL)
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* \param FunctionName Pointer to an array of CHARs which gets filled with
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* the function name (can be NULL)
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*
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* \returns NTSTATUS error code.
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* \retval STATUS_SUCCESS At least one of the requested informations was found.
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* \retval STATUS_UNSUCCESSFUL None of the requested information was found.
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*/
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NTSTATUS
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KdbSymGetAddressInformation(
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IN PROSSYM_INFO RosSymInfo,
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IN ULONG_PTR RelativeAddress,
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IN PROSSYM_LINEINFO LineInfo)
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{
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if (!KdbpSymbolsInitialized ||
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!RosSymInfo ||
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!RosSymGetAddressInformation(RosSymInfo, RelativeAddress, LineInfo))
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{
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return STATUS_UNSUCCESSFUL;
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}
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return STATUS_SUCCESS;
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}
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/*! \brief Find cached symbol file.
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*
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* Looks through the list of cached symbol files and tries to find an already
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* loaded one.
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*
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* \param FileName FileName of the symbol file to look for.
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*
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* \returns A pointer to the cached symbol info.
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* \retval NULL No cached info found.
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*
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* \sa KdbpSymAddCachedFile
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*/
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PROSSYM_INFO
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KdbpSymFindCachedFile(
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IN PUNICODE_STRING FileName)
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{
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PIMAGE_SYMBOL_INFO_CACHE Current;
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PLIST_ENTRY CurrentEntry;
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KIRQL Irql;
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KeAcquireSpinLock(&SymbolFileListLock, &Irql);
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CurrentEntry = SymbolFileListHead.Flink;
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while (CurrentEntry != (&SymbolFileListHead))
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{
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Current = CONTAINING_RECORD(CurrentEntry, IMAGE_SYMBOL_INFO_CACHE, ListEntry);
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if (RtlEqualUnicodeString(&Current->FileName, FileName, TRUE))
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{
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Current->RefCount++;
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KeReleaseSpinLock(&SymbolFileListLock, Irql);
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DPRINT("Found cached file!\n");
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return Current->RosSymInfo;
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}
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CurrentEntry = CurrentEntry->Flink;
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}
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||||||
|
|
||||||
KeReleaseSpinLock(&SymbolFileListLock, Irql);
|
|
||||||
|
|
||||||
DPRINT("Cached file not found!\n");
|
|
||||||
return NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
/*! \brief Add a symbol file to the cache.
|
|
||||||
*
|
|
||||||
* \param FileName Filename of the symbol file.
|
|
||||||
* \param RosSymInfo Pointer to the symbol info.
|
|
||||||
*
|
|
||||||
* \sa KdbpSymRemoveCachedFile
|
|
||||||
*/
|
|
||||||
static VOID
|
|
||||||
KdbpSymAddCachedFile(
|
|
||||||
IN PUNICODE_STRING FileName,
|
|
||||||
IN PROSSYM_INFO RosSymInfo)
|
|
||||||
{
|
|
||||||
PIMAGE_SYMBOL_INFO_CACHE CacheEntry;
|
|
||||||
|
|
||||||
DPRINT("Adding symbol file: %wZ RosSymInfo = %p\n", FileName, RosSymInfo);
|
|
||||||
|
|
||||||
/* allocate entry */
|
|
||||||
CacheEntry = ExAllocatePoolWithTag(NonPagedPool, sizeof (IMAGE_SYMBOL_INFO_CACHE), TAG_KDBS);
|
|
||||||
ASSERT(CacheEntry);
|
|
||||||
RtlZeroMemory(CacheEntry, sizeof (IMAGE_SYMBOL_INFO_CACHE));
|
|
||||||
|
|
||||||
/* fill entry */
|
|
||||||
CacheEntry->FileName.Buffer = ExAllocatePoolWithTag(NonPagedPool,
|
|
||||||
FileName->Length,
|
|
||||||
TAG_KDBS);
|
|
||||||
CacheEntry->FileName.MaximumLength = FileName->Length;
|
|
||||||
RtlCopyUnicodeString(&CacheEntry->FileName, FileName);
|
|
||||||
ASSERT(CacheEntry->FileName.Buffer);
|
|
||||||
CacheEntry->RefCount = 1;
|
|
||||||
CacheEntry->RosSymInfo = RosSymInfo;
|
|
||||||
InsertTailList(&SymbolFileListHead, &CacheEntry->ListEntry); /* FIXME: Lock list? */
|
|
||||||
}
|
|
||||||
|
|
||||||
/*! \brief Remove a symbol file (reference) from the cache.
|
|
||||||
*
|
|
||||||
* Tries to find a cache entry matching the given symbol info and decreases
|
|
||||||
* it's reference count. If the refcount is 0 after decreasing it the cache
|
|
||||||
* entry will be removed from the list and freed.
|
|
||||||
*
|
|
||||||
* \param RosSymInfo Pointer to the symbol info.
|
|
||||||
*
|
|
||||||
* \sa KdbpSymAddCachedFile
|
|
||||||
*/
|
|
||||||
static VOID
|
|
||||||
KdbpSymRemoveCachedFile(
|
|
||||||
IN PROSSYM_INFO RosSymInfo)
|
|
||||||
{
|
|
||||||
PIMAGE_SYMBOL_INFO_CACHE Current;
|
|
||||||
PLIST_ENTRY CurrentEntry;
|
|
||||||
KIRQL Irql;
|
|
||||||
|
|
||||||
KeAcquireSpinLock(&SymbolFileListLock, &Irql);
|
|
||||||
|
|
||||||
CurrentEntry = SymbolFileListHead.Flink;
|
|
||||||
while (CurrentEntry != (&SymbolFileListHead))
|
|
||||||
{
|
|
||||||
Current = CONTAINING_RECORD(CurrentEntry, IMAGE_SYMBOL_INFO_CACHE, ListEntry);
|
|
||||||
|
|
||||||
if (Current->RosSymInfo == RosSymInfo) /* found */
|
|
||||||
{
|
|
||||||
ASSERT(Current->RefCount > 0);
|
|
||||||
Current->RefCount--;
|
|
||||||
if (Current->RefCount < 1)
|
|
||||||
{
|
|
||||||
RemoveEntryList(&Current->ListEntry);
|
|
||||||
RosSymDelete(Current->RosSymInfo);
|
|
||||||
ExFreePool(Current);
|
|
||||||
}
|
|
||||||
|
|
||||||
KeReleaseSpinLock(&SymbolFileListLock, Irql);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
CurrentEntry = CurrentEntry->Flink;
|
|
||||||
}
|
|
||||||
|
|
||||||
KeReleaseSpinLock(&SymbolFileListLock, Irql);
|
|
||||||
}
|
|
||||||
|
|
||||||
/*! \brief Loads a symbol file.
|
|
||||||
*
|
|
||||||
* \param FileName Filename of the symbol file to load.
|
|
||||||
* \param RosSymInfo Pointer to a ROSSYM_INFO which gets filled.
|
|
||||||
*
|
|
||||||
* \sa KdbpSymUnloadModuleSymbols
|
|
||||||
*/
|
|
||||||
VOID
|
|
||||||
KdbpSymLoadModuleSymbols(
|
|
||||||
IN PUNICODE_STRING FileName,
|
|
||||||
OUT PROSSYM_INFO *RosSymInfo)
|
|
||||||
{
|
|
||||||
OBJECT_ATTRIBUTES ObjectAttributes;
|
|
||||||
HANDLE FileHandle;
|
|
||||||
NTSTATUS Status;
|
|
||||||
IO_STATUS_BLOCK IoStatusBlock;
|
|
||||||
PFILE_OBJECT FileObject;
|
|
||||||
PROSSYM_KM_OWN_CONTEXT FileContext;
|
|
||||||
|
|
||||||
/* Allow KDB to break on module load */
|
|
||||||
KdbModuleLoaded(FileName);
|
|
||||||
|
|
||||||
if (!LoadSymbols)
|
|
||||||
{
|
|
||||||
*RosSymInfo = NULL;
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Try to find cached (already loaded) symbol file */
|
|
||||||
*RosSymInfo = KdbpSymFindCachedFile(FileName);
|
|
||||||
if (*RosSymInfo)
|
|
||||||
{
|
|
||||||
DPRINT("Found cached symbol file %wZ\n", FileName);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Open the file */
|
|
||||||
InitializeObjectAttributes(&ObjectAttributes,
|
|
||||||
FileName,
|
|
||||||
OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE,
|
|
||||||
NULL,
|
|
||||||
NULL);
|
|
||||||
|
|
||||||
DPRINT("Attempting to open image: %wZ\n", FileName);
|
|
||||||
|
|
||||||
Status = ZwOpenFile(&FileHandle,
|
|
||||||
FILE_READ_ACCESS | SYNCHRONIZE,
|
|
||||||
&ObjectAttributes,
|
|
||||||
&IoStatusBlock,
|
|
||||||
FILE_SHARE_READ | FILE_SHARE_WRITE,
|
|
||||||
FILE_NON_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT);
|
|
||||||
if (!NT_SUCCESS(Status))
|
|
||||||
{
|
|
||||||
DPRINT("Could not open image file(%x): %wZ\n", Status, FileName);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
DPRINT("Loading symbols from %wZ...\n", FileName);
|
|
||||||
|
|
||||||
Status = ObReferenceObjectByHandle
|
|
||||||
(FileHandle,
|
|
||||||
FILE_READ_DATA | SYNCHRONIZE,
|
|
||||||
NULL,
|
|
||||||
KernelMode,
|
|
||||||
(PVOID*)&FileObject,
|
|
||||||
NULL);
|
|
||||||
|
|
||||||
if (!NT_SUCCESS(Status))
|
|
||||||
{
|
|
||||||
DPRINT("Could not get the file object\n");
|
|
||||||
ZwClose(FileHandle);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
if ((FileContext = KdbpCaptureFileForSymbols(FileObject)))
|
|
||||||
{
|
|
||||||
if (RosSymCreateFromFile(FileContext, RosSymInfo))
|
|
||||||
{
|
|
||||||
/* add file to cache */
|
|
||||||
int i;
|
|
||||||
UNICODE_STRING TruncatedName = *FileName;
|
|
||||||
for (i = (TruncatedName.Length / sizeof(WCHAR)) - 1; i >= 0; i--)
|
|
||||||
if (TruncatedName.Buffer[i] == '\\') {
|
|
||||||
TruncatedName.Buffer += i+1;
|
|
||||||
TruncatedName.Length -= (i+1)*sizeof(WCHAR);
|
|
||||||
TruncatedName.MaximumLength -= (i+1)*sizeof(WCHAR);
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
KdbpSymAddCachedFile(&TruncatedName, *RosSymInfo);
|
|
||||||
DPRINT("Installed symbols: %wZ %p\n", &TruncatedName, *RosSymInfo);
|
|
||||||
}
|
|
||||||
KdbpReleaseFileForSymbols(FileContext);
|
|
||||||
}
|
|
||||||
|
|
||||||
ObDereferenceObject(FileObject);
|
|
||||||
ZwClose(FileHandle);
|
|
||||||
}
|
|
||||||
|
|
||||||
VOID
|
|
||||||
KdbSymProcessSymbols(
|
|
||||||
IN PLDR_DATA_TABLE_ENTRY LdrEntry)
|
|
||||||
{
|
|
||||||
if (!LoadSymbols)
|
|
||||||
{
|
|
||||||
LdrEntry->PatchInformation = NULL;
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Remove symbol info if it already exists */
|
|
||||||
if (LdrEntry->PatchInformation) {
|
|
||||||
KdbpSymRemoveCachedFile(LdrEntry->PatchInformation);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Error loading symbol info, try to load it from file */
|
|
||||||
KdbpSymLoadModuleSymbols(&LdrEntry->FullDllName,
|
|
||||||
(PROSSYM_INFO*)&LdrEntry->PatchInformation);
|
|
||||||
|
|
||||||
if (!LdrEntry->PatchInformation) {
|
|
||||||
// HACK: module dll names don't identify the real files
|
|
||||||
UNICODE_STRING SystemRoot;
|
|
||||||
UNICODE_STRING ModuleNameCopy;
|
|
||||||
RtlInitUnicodeString(&SystemRoot, L"\\SystemRoot\\System32\\Drivers\\");
|
|
||||||
ModuleNameCopy.Length = 0;
|
|
||||||
ModuleNameCopy.MaximumLength =
|
|
||||||
LdrEntry->BaseDllName.MaximumLength + SystemRoot.MaximumLength;
|
|
||||||
ModuleNameCopy.Buffer = ExAllocatePool(NonPagedPool, SystemRoot.MaximumLength + LdrEntry->BaseDllName.MaximumLength);
|
|
||||||
RtlCopyUnicodeString(&ModuleNameCopy, &SystemRoot);
|
|
||||||
RtlCopyMemory
|
|
||||||
(ModuleNameCopy.Buffer + ModuleNameCopy.Length / sizeof(WCHAR),
|
|
||||||
LdrEntry->BaseDllName.Buffer,
|
|
||||||
LdrEntry->BaseDllName.Length);
|
|
||||||
ModuleNameCopy.Length += LdrEntry->BaseDllName.Length;
|
|
||||||
KdbpSymLoadModuleSymbols(&ModuleNameCopy,
|
|
||||||
(PROSSYM_INFO*)&LdrEntry->PatchInformation);
|
|
||||||
if (!LdrEntry->PatchInformation) {
|
|
||||||
SystemRoot.Length -= strlen("Drivers\\") * sizeof(WCHAR);
|
|
||||||
RtlCopyUnicodeString(&ModuleNameCopy, &SystemRoot);
|
|
||||||
RtlCopyMemory
|
|
||||||
(ModuleNameCopy.Buffer + ModuleNameCopy.Length / sizeof(WCHAR),
|
|
||||||
LdrEntry->BaseDllName.Buffer,
|
|
||||||
LdrEntry->BaseDllName.Length);
|
|
||||||
ModuleNameCopy.Length += LdrEntry->BaseDllName.Length;
|
|
||||||
KdbpSymLoadModuleSymbols(&ModuleNameCopy,
|
|
||||||
(PROSSYM_INFO*)&LdrEntry->PatchInformation);
|
|
||||||
}
|
|
||||||
RtlFreeUnicodeString(&ModuleNameCopy);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* It already added symbols to cache */
|
|
||||||
DPRINT("Installed symbols: %wZ@%p-%p %p\n",
|
|
||||||
&LdrEntry->BaseDllName,
|
|
||||||
LdrEntry->DllBase,
|
|
||||||
(PVOID)(LdrEntry->SizeOfImage + (ULONG_PTR)LdrEntry->DllBase),
|
|
||||||
LdrEntry->PatchInformation);
|
|
||||||
}
|
|
||||||
|
|
||||||
VOID
|
|
||||||
NTAPI
|
|
||||||
KdbDebugPrint(
|
|
||||||
PCH Message,
|
|
||||||
ULONG Length)
|
|
||||||
{
|
|
||||||
/* Nothing here */
|
|
||||||
}
|
|
||||||
|
|
||||||
static PVOID KdbpSymAllocMem(ULONG_PTR size)
|
|
||||||
{
|
|
||||||
return ExAllocatePoolWithTag(NonPagedPool, size, 'RSYM');
|
|
||||||
}
|
|
||||||
|
|
||||||
static VOID KdbpSymFreeMem(PVOID Area)
|
|
||||||
{
|
|
||||||
return ExFreePool(Area);
|
|
||||||
}
|
|
||||||
|
|
||||||
static BOOLEAN KdbpSymReadMem(PVOID FileContext, ULONG_PTR* TargetDebug, PVOID SourceMem, ULONG Size)
|
|
||||||
{
|
|
||||||
return NT_SUCCESS(KdbpSafeReadMemory(TargetDebug, SourceMem, Size));
|
|
||||||
}
|
|
||||||
|
|
||||||
static ROSSYM_CALLBACKS KdbpRosSymCallbacks = {
|
|
||||||
KdbpSymAllocMem, KdbpSymFreeMem,
|
|
||||||
KdbpReadSymFile, KdbpSeekSymFile,
|
|
||||||
KdbpSymReadMem
|
|
||||||
};
|
|
||||||
|
|
||||||
/*! \brief Initializes the KDB symbols implementation.
|
|
||||||
*
|
|
||||||
* \param DispatchTable Pointer to the KD dispatch table
|
|
||||||
* \param BootPhase Phase of initialization
|
|
||||||
*/
|
|
||||||
VOID
|
|
||||||
NTAPI
|
|
||||||
KdbInitialize(
|
|
||||||
PKD_DISPATCH_TABLE DispatchTable,
|
|
||||||
ULONG BootPhase)
|
|
||||||
{
|
|
||||||
PCHAR p1, p2;
|
|
||||||
SHORT Found = FALSE;
|
|
||||||
CHAR YesNo;
|
|
||||||
PLDR_DATA_TABLE_ENTRY LdrEntry;
|
|
||||||
|
|
||||||
DPRINT("KdbSymInit() BootPhase=%d\n", BootPhase);
|
|
||||||
|
|
||||||
LoadSymbols = FALSE;
|
|
||||||
|
|
||||||
#if DBG
|
|
||||||
/* Load symbols only if we have 96Mb of RAM or more */
|
|
||||||
if (MmNumberOfPhysicalPages >= 0x6000)
|
|
||||||
LoadSymbols = TRUE;
|
|
||||||
#endif
|
|
||||||
|
|
||||||
if (BootPhase == 0)
|
|
||||||
{
|
|
||||||
/* Write out the functions that we support for now */
|
|
||||||
DispatchTable->KdpInitRoutine = KdpKdbgInit;
|
|
||||||
DispatchTable->KdpPrintRoutine = KdbDebugPrint;
|
|
||||||
|
|
||||||
/* Register as a Provider */
|
|
||||||
InsertTailList(&KdProviders, &DispatchTable->KdProvidersList);
|
|
||||||
|
|
||||||
/* Perform actual initialization of symbol module */
|
|
||||||
//NtoskrnlModuleObject->PatchInformation = NULL;
|
|
||||||
//LdrHalModuleObject->PatchInformation = NULL;
|
|
||||||
|
|
||||||
InitializeListHead(&SymbolFileListHead);
|
|
||||||
KeInitializeSpinLock(&SymbolFileListLock);
|
|
||||||
|
|
||||||
/* Check the command line for /LOADSYMBOLS, /NOLOADSYMBOLS,
|
|
||||||
* /LOADSYMBOLS={YES|NO}, /NOLOADSYMBOLS={YES|NO} */
|
|
||||||
ASSERT(KeLoaderBlock);
|
|
||||||
p1 = KeLoaderBlock->LoadOptions;
|
|
||||||
while('\0' != *p1 && NULL != (p2 = strchr(p1, '/')))
|
|
||||||
{
|
|
||||||
p2++;
|
|
||||||
Found = 0;
|
|
||||||
if (0 == _strnicmp(p2, "LOADSYMBOLS", 11))
|
|
||||||
{
|
|
||||||
Found = +1;
|
|
||||||
p2 += 11;
|
|
||||||
}
|
|
||||||
else if (0 == _strnicmp(p2, "NOLOADSYMBOLS", 13))
|
|
||||||
{
|
|
||||||
Found = -1;
|
|
||||||
p2 += 13;
|
|
||||||
}
|
|
||||||
if (0 != Found)
|
|
||||||
{
|
|
||||||
while (isspace(*p2))
|
|
||||||
{
|
|
||||||
p2++;
|
|
||||||
}
|
|
||||||
if ('=' == *p2)
|
|
||||||
{
|
|
||||||
p2++;
|
|
||||||
while (isspace(*p2))
|
|
||||||
{
|
|
||||||
p2++;
|
|
||||||
}
|
|
||||||
YesNo = toupper(*p2);
|
|
||||||
if ('N' == YesNo || 'F' == YesNo || '0' == YesNo)
|
|
||||||
{
|
|
||||||
Found = -1 * Found;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
LoadSymbols = (0 < Found);
|
|
||||||
}
|
|
||||||
p1 = p2;
|
|
||||||
}
|
|
||||||
|
|
||||||
RosSymInit(&KdbpRosSymCallbacks);
|
|
||||||
}
|
|
||||||
else if (BootPhase == 3)
|
|
||||||
{
|
|
||||||
/* Load symbols for NTOSKRNL.EXE.
|
|
||||||
It is always the first module in PsLoadedModuleList. KeLoaderBlock can't be used here as its content is just temporary. */
|
|
||||||
LdrEntry = CONTAINING_RECORD(PsLoadedModuleList.Flink, LDR_DATA_TABLE_ENTRY, InLoadOrderLinks);
|
|
||||||
KdbSymProcessSymbols(LdrEntry);
|
|
||||||
|
|
||||||
/* Also load them for HAL.DLL. */
|
|
||||||
LdrEntry = CONTAINING_RECORD(PsLoadedModuleList.Flink->Flink, LDR_DATA_TABLE_ENTRY, InLoadOrderLinks);
|
|
||||||
KdbSymProcessSymbols(LdrEntry);
|
|
||||||
|
|
||||||
KdbpSymbolsInitialized = TRUE;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/* EOF */
|
|
||||||
Loading…
Reference in a new issue