ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Trap exceptions in RtlImageNtHeader.

This commit is contained in:
Alexandre Julliard 2002-08-15 22:09:53 +00:00
parent 1da297178a
commit becccaf168
1 changed files with 26 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
dlls/ntdll/loader.c
View File

@ -22,11 +22,21 @@
#include "ntddk.h"
#include "module.h"
#include "wine/exception.h"
#include "msvcrt/excpt.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
/* filter for page-fault exceptions */
static WINE_EXCEPTION_FILTER(page_fault)
{
if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION)
return EXCEPTION_EXECUTE_HANDLER;
return EXCEPTION_CONTINUE_SEARCH;
}
NTSTATUS WINAPI LdrDisableThreadCalloutsForDll(HANDLE hModule)
{
if (DisableThreadLibraryCalls(hModule))
@ -75,14 +85,24 @@ NTSTATUS WINAPI LdrGetProcedureAddress(PVOID base, PANSI_STRING name, ULONG ord,
*/
PIMAGE_NT_HEADERS WINAPI RtlImageNtHeader(HMODULE hModule)
{
IMAGE_NT_HEADERS *ret = NULL;
IMAGE_DOS_HEADER *dos = (IMAGE_DOS_HEADER *)hModule;
IMAGE_NT_HEADERS *ret;
if (dos->e_magic == IMAGE_DOS_SIGNATURE)
__TRY
{
ret = (IMAGE_NT_HEADERS *)((char *)dos + dos->e_lfanew);
if (ret->Signature != IMAGE_NT_SIGNATURE) ret = NULL;
IMAGE_DOS_HEADER *dos = (IMAGE_DOS_HEADER *)hModule;
ret = NULL;
if (dos->e_magic == IMAGE_DOS_SIGNATURE)
{
ret = (IMAGE_NT_HEADERS *)((char *)dos + dos->e_lfanew);
if (ret->Signature != IMAGE_NT_SIGNATURE) ret = NULL;
}
}
__EXCEPT(page_fault)
{
return NULL;
}
__ENDTRY
return ret;
}