[WINESYNC] dbghelp: Don't bother trying to initialize loader backend if we can't get debug base address from PEB.

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

wine commit id 3047385437c7ef36996d0418ac378677f3e9d67c by Jacek Caban <jacek@codeweavers.com>

dll/win32/dbghelp/dbghelp.c

@@ -309,6 +309,11 @@ static BOOL check_live_target(struct process* pcs)
         base = base32;
     }
     else ReadProcessMemory(pcs->handle, &pbi.PebBaseAddress->Reserved[0], &base, sizeof(base), NULL);
+#ifndef __REACTOS__
+    /* Wine store their loader base address in peb.reserved[0] and load its symbol from there.
+     * ReactOS does not care about it */
+    if (!base) return FALSE;
+#endif
 
     TRACE("got debug info address %#lx from PEB %p\n", base, pbi.PebBaseAddress);
     return elf_read_wine_loader_dbg_info(pcs, base) || macho_read_wine_loader_dbg_info(pcs, base);

dll/win32/dbghelp/macho_module.c

@@ -1845,8 +1845,7 @@ static BOOL macho_search_loader(struct process* pcs, struct macho_info* macho_in
         len = sizeof(image_infos.infos64);
     else
         len = sizeof(image_infos.infos32);
-    if (pcs->dbg_hdr_addr &&
-        ReadProcessMemory(pcs->handle, (void*)pcs->dbg_hdr_addr, &image_infos, len, NULL))
+    if (ReadProcessMemory(pcs->handle, (void*)pcs->dbg_hdr_addr, &image_infos, len, NULL))
     {
         if (pcs->is_64bit)
             len = sizeof(image_info.info64);

sdk/tools/winesync/dbghelp.cfg

@@ -4,4 +4,4 @@ files:
   include/dbghelp.h: sdk/include/psdk/dbghelp.h
   include/wine/mscvpdb.h: sdk/include/reactos/wine/mscvpdb.h
 tags:
-  wine: f2b8af7e7e159a5259aaab42169c4f8220b121eb
+  wine: 3047385437c7ef36996d0418ac378677f3e9d67c