[KERNEL32]: Implement BaseFiberStartup in ASM, just like the thread/process thunks, so we get a "naked" thunk without any compiler-generated crap.

svn path=/trunk/; revision=52806

reactos/dll/win32/kernel32/client/fiber.c

@@ -36,32 +36,6 @@ BaseRundownFls(IN PVOID FlsData)
     
 }
 
-__declspec(noreturn)
-VOID
-WINAPI
-BaseFiberStartup(VOID)
-{
-#ifdef _M_IX86
-    PFIBER Fiber = GetCurrentFiber();
-
-    /* Call the Thread Startup Routine */
-    DPRINT("Starting Fiber\n");
-    BaseThreadStartup((LPTHREAD_START_ROUTINE)Fiber->Context.Eax,
-                      (LPVOID)Fiber->Context.Ebx);
-#elif defined(_M_AMD64)
-    PFIBER Fiber = GetFiberData();
-
-    /* Call the Thread Startup Routine */
-    DPRINT1("Starting Fiber\n");
-    BaseThreadStartup((LPTHREAD_START_ROUTINE)Fiber->Context.Rax,
-                      (LPVOID)Fiber->Context.Rbx);
-#else
-#warning Unknown architecture
-    UNIMPLEMENTED;
-    DbgBreakPoint();
-#endif
-}
-
 /* PUBLIC FUNCTIONS ***********************************************************/
 
 /*

reactos/dll/win32/kernel32/client/i386/thread.S

@@ -7,6 +7,7 @@
  */
 
 #include <asm.inc>
+#include <ks386.inc>
 
 .code
 
@@ -14,8 +15,6 @@ EXTERN _BaseThreadStartup@8:PROC
 EXTERN _BaseProcessStartup@4:PROC
 
 PUBLIC _BaseThreadStartupThunk@0
-PUBLIC _BaseProcessStartThunk@0
-
 _BaseThreadStartupThunk@0:
     
     /* Start out fresh */
@@ -25,9 +24,10 @@ _BaseThreadStartupThunk@0:
     push eax                  /* lpStartAddress */
     push 0                    /* Return EIP */
     jmp _BaseThreadStartup@8
+END
 
+PUBLIC _BaseProcessStartThunk@0
 _BaseProcessStartThunk@0:
-
     /* Start out fresh */
     xor ebp, ebp
     
@@ -36,4 +36,15 @@ _BaseProcessStartThunk@0:
     jmp _BaseProcessStartup@4
 
 END
+
+PUBLIC _BaseFiberStartup@0
+_BaseFiberStartup@0:
+    /* Get the fiber data */
+    mov eax, fs:[TEB_FIBER_DATA]
+
+    push dword ptr [eax+FIBER_CONTEXT_EBX] /* Parameter */
+    push dword ptr [eax+FIBER_CONTEXT_EAX] /* Start Address */
+    call _BaseThreadStartup@8
+END
+
 /* EOF */