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Rewrote mapping of module into memory using only NTDLL APIs.

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Eric Pouech 2003-03-21 00:46:08 +00:00 committed by Alexandre Julliard
parent 2d04be72f7
commit 7b91b82680
1 changed files with 28 additions and 7 deletions
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35
loader/pe_image.c
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@ -375,15 +375,34 @@ HMODULE PE_LoadImage( HANDLE hFile, LPCSTR filename, DWORD flags )
IMAGE_NT_HEADERS *nt;
HMODULE hModule;
HANDLE mapping;
void *base;
void *base = NULL;
OBJECT_ATTRIBUTES attr;
LARGE_INTEGER lg_int;
DWORD len = 0;
NTSTATUS nts;
TRACE_(module)( "loading %s\n", filename );
mapping = CreateFileMappingA( hFile, NULL, SEC_IMAGE, 0, 0, NULL );
if (!mapping) return 0;
base = MapViewOfFile( mapping, FILE_MAP_READ, 0, 0, 0 );
CloseHandle( mapping );
if (!base) return 0;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = NULL;
attr.Attributes = 0;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
lg_int.QuadPart = 0;
if (NtCreateSection( &mapping,
STANDARD_RIGHTS_REQUIRED | SECTION_QUERY | SECTION_MAP_READ,
&attr, &lg_int, 0, SEC_IMAGE, hFile ) != STATUS_SUCCESS)
return 0;
nts = NtMapViewOfSection( mapping, GetCurrentProcess(),
&base, 0, 0, &lg_int, &len, ViewShare, 0,
PAGE_READONLY );
NtClose( mapping );
if (nts != STATUS_SUCCESS) return 0;
/* virus check */
@ -662,6 +681,7 @@ _fixup_address(PIMAGE_OPTIONAL_HEADER opt,int delta,LPVOID addr) {
/* the address has been relocated already */
return addr;
}
void PE_InitTls( void )
{
WINE_MODREF *wm;
@ -688,7 +708,8 @@ void PE_InitTls( void )
}
datasize= pdir->EndAddressOfRawData-pdir->StartAddressOfRawData;
size = datasize + pdir->SizeOfZeroFill;
mem=VirtualAlloc(0,size,MEM_RESERVE|MEM_COMMIT,PAGE_READWRITE);
NtAllocateVirtualMemory( GetCurrentProcess(), &mem, NULL, &size,
MEM_RESERVE|MEM_COMMIT, PAGE_READWRITE );
memcpy(mem,_fixup_address(&(peh->OptionalHeader),delta,(LPVOID)pdir->StartAddressOfRawData),datasize);
if (pdir->AddressOfCallBacks) {
PIMAGE_TLS_CALLBACK *cbs;