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Implement /LOADSYMBOLS and /NOLOADSYMBOLS command line option

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svn path=/trunk/; revision=15814
This commit is contained in:
Gé van Geldorp 2005-06-05 20:56:14 +00:00
parent 170980ae6f
commit be1ac79fa0
1 changed files with 66 additions and 2 deletions
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68
reactos/ntoskrnl/kdbg/kdb_symbols.c
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@ -26,6 +26,7 @@ typedef struct _IMAGE_SYMBOL_INFO_CACHE {
PROSSYM_INFO RosSymInfo;
} IMAGE_SYMBOL_INFO_CACHE, *PIMAGE_SYMBOL_INFO_CACHE;
static BOOLEAN LoadSymbols;
static LIST_ENTRY SymbolFileListHead;
static KSPIN_LOCK SymbolFileListLock;
@ -415,6 +416,12 @@ KdbpSymLoadModuleSymbols(IN PUNICODE_STRING FileName,
/* 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 != NULL)
@ -490,6 +497,8 @@ KdbSymLoadUserModuleSymbols(IN PLDR_MODULE LdrModule)
UNICODE_STRING KernelName;
DPRINT("LdrModule %p\n", LdrModule);
LdrModule->RosSymInfo = NULL;
KernelName.MaximumLength = sizeof(Prefix) + LdrModule->FullDllName.Length;
KernelName.Length = KernelName.MaximumLength - sizeof(WCHAR);
KernelName.Buffer = ExAllocatePoolWithTag(PagedPool, KernelName.MaximumLength, TAG_KDBS);
@ -502,8 +511,6 @@ KdbSymLoadUserModuleSymbols(IN PLDR_MODULE LdrModule)
LdrModule->FullDllName.Length);
KernelName.Buffer[KernelName.Length / sizeof(WCHAR)] = L'\0';
LdrModule->RosSymInfo = NULL;
KdbpSymLoadModuleSymbols(&KernelName, &LdrModule->RosSymInfo);
ExFreePool(KernelName.Buffer);
@ -612,6 +619,12 @@ KdbSymProcessBootSymbols(IN PCHAR FileName)
if (ModuleObject != NULL)
{
if (! LoadSymbols)
{
ModuleObject->TextSection->RosSymInfo = NULL;
return;
}
for (i = 0; i < KeLoaderBlock.ModsCount; i++)
{
if (0 == _stricmp(FileName, (PCHAR)KeLoaderModules[i].String))
@ -670,12 +683,63 @@ VOID
KdbSymInit(IN PMODULE_TEXT_SECTION NtoskrnlTextSection,
IN PMODULE_TEXT_SECTION LdrHalTextSection)
{
PCHAR p1, p2;
int Found;
char YesNo;
NtoskrnlTextSection->RosSymInfo = NULL;
LdrHalTextSection->RosSymInfo = NULL;
InitializeListHead(&SymbolFileListHead);
KeInitializeSpinLock(&SymbolFileListLock);
#ifdef DBG
LoadSymbols = TRUE;
#else
LoadSymbols = FALSE;
#endif
/* Check the command line for /LOADSYMBOLS, /NOLOADSYMBOLS,
* /LOADSYMBOLS={YES|NO}, /NOLOADSYMBOLS={YES|NO} */
p1 = (PCHAR) KeLoaderBlock.CommandLine;
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;
}
RosSymInitKernelMode();
}