MS C related changes.

include/async.h

@@ -31,7 +31,7 @@
 struct async_private;
 
 typedef void (*async_handler)(struct async_private *ovp);
-typedef void CALLBACK (*async_call_completion_func)(ULONG_PTR data);
+typedef void (CALLBACK *async_call_completion_func)(ULONG_PTR data);
 typedef DWORD (*async_get_status)(const struct async_private *ovp);
 typedef DWORD (*async_get_count)(const struct async_private *ovp);
 typedef void (*async_set_status)(struct async_private *ovp, const DWORD status);

include/winnt.h

@@ -1244,7 +1244,7 @@ typedef CONTEXT *PCONTEXT;
     extern inline void __set_##seg(int val) { __asm__("movw %w0,%%" #seg : : "r" (val)); }
 # elif defined(_MSC_VER)
 #  define __DEFINE_GET_SEG(seg) \
-    extern inline unsigned short __get_##seg(void) { unsigned short res; __asm { mov res, fs } return res; }
+    extern inline unsigned short __get_##seg(void) { unsigned short res; __asm { mov res, seg } return res; }
 #  define __DEFINE_SET_SEG(seg) \
     extern inline void __set_##seg(unsigned short val) { __asm { mov seg, val } }
 # else  /* __GNUC__ || _MSC_VER */
@@ -2360,6 +2360,14 @@ extern inline struct _TEB * WINAPI NtCurrentTeb(void)
     __asm__(".byte 0x64\n\tmovl (0x18),%0" : "=r" (teb));
     return teb;
 }
+#elif defined(__i386__) && defined(_MSC_VER)
+extern inline struct _TEB * WINAPI NtCurrentTeb(void)
+{
+  struct _TEB *teb;
+  __asm mov eax, fs:[0x18];
+  __asm mov teb, eax;
+  return teb;
+}
 #else
 extern struct _TEB * WINAPI NtCurrentTeb(void);
 #endif

memory/selector.c

@@ -938,12 +938,26 @@ void WINAPI FreeMappedBuffer( CONTEXT86 *context )
 }
 
 #ifdef __i386__
-__ASM_GLOBAL_FUNC( __get_cs, "movw %cs,%ax\n\tret" )
-__ASM_GLOBAL_FUNC( __get_ds, "movw %ds,%ax\n\tret" )
-__ASM_GLOBAL_FUNC( __get_es, "movw %es,%ax\n\tret" )
-__ASM_GLOBAL_FUNC( __get_fs, "movw %fs,%ax\n\tret" )
-__ASM_GLOBAL_FUNC( __get_gs, "movw %gs,%ax\n\tret" )
-__ASM_GLOBAL_FUNC( __get_ss, "movw %ss,%ax\n\tret" )
-__ASM_GLOBAL_FUNC( __set_fs, "movl 4(%esp),%eax\n\tmovw %ax,%fs\n\tret" )
-__ASM_GLOBAL_FUNC( __set_gs, "movl 4(%esp),%eax\n\tmovw %ax,%gs\n\tret" )
-#endif
+#ifdef _MSC_VER
+/* Nothing needs to be done. MS C make do with inline versions from the winnt.h */
+#else /* defined(_MSC_VER) */
+
+#define __DEFINE_GET_SEG(seg) \
+    __ASM_GLOBAL_FUNC( __get_##seg, "movw %" #seg ",%ax\n\tret" )
+#define __DEFINE_SET_SEG(seg) \
+    __ASM_GLOBAL_FUNC( __set_##seg, "movl 4(%esp),%eax\n\tmovw %ax,%" #seg "\n\tret" )
+
+__DEFINE_GET_SEG(cs)
+__DEFINE_GET_SEG(ds)
+__DEFINE_GET_SEG(es)
+__DEFINE_GET_SEG(fs)
+__DEFINE_GET_SEG(gs)
+__DEFINE_GET_SEG(ss)
+__DEFINE_SET_SEG(fs)
+__DEFINE_SET_SEG(gs)
+
+#undef __DEFINE_GET_SEG
+#undef __DEFINE_SET_SEG
+
+#endif /* defined(_MSC_VER) */
+#endif /* defined(__i386__) */

scheduler/sysdeps.c

@@ -228,6 +228,7 @@ int SYSDEPS_SpawnThread( TEB *teb )
  */
 void SYSDEPS_CallOnStack( void (*func)(LPVOID), LPVOID arg ) WINE_NORETURN;
 #ifdef __i386__
+#ifdef __GNUC__
 __ASM_GLOBAL_FUNC( SYSDEPS_CallOnStack,
                    "movl 4(%esp),%ecx\n\t"  /* func */
                    "movl 8(%esp),%edx\n\t"  /* arg */
@@ -236,13 +237,25 @@ __ASM_GLOBAL_FUNC( SYSDEPS_CallOnStack,
                    "xorl %ebp,%ebp\n\t"
                    "call *%ecx\n\t"
                    "int $3" /* we never return here */ );
-#else
+#elif defined(_MSC_VER)
+__declspec(naked) void SYSDEPS_CallOnStack( void (*func)(LPVOID), LPVOID arg )
+{
+  __asm mov ecx, 4[esp];
+  __asm mov edx, 8[esp];
+  __asm mov fs:[0x04], esp;
+  __asm push edx;
+  __asm xor ebp, ebp;
+  __asm call [ecx];
+  __asm int 3;
+}
+#endif /* defined(__GNUC__) || defined(_MSC_VER) */
+#else /* defined(__i386__) */
 void SYSDEPS_CallOnStack( void (*func)(LPVOID), LPVOID arg )
 {
     func( arg );
     while(1); /* avoid warning */
 }
-#endif
+#endif /* defined(__i386__) */
 
 
 /***********************************************************************
@@ -279,7 +292,7 @@ void SYSDEPS_ExitThread( int status )
     close( teb->reply_fd );
     close( teb->request_fd );
     teb->stack_low = get_temp_stack();
-    teb->stack_top = teb->stack_low + TEMP_STACK_SIZE;
+    teb->stack_top = (char *) teb->stack_low + TEMP_STACK_SIZE;
     SYSDEPS_CallOnStack( cleanup_thread, &info );
 }
 
@@ -312,11 +325,7 @@ void SYSDEPS_AbortThread( int status )
 #if defined(__i386__) && defined(__GNUC__)
 __ASM_GLOBAL_FUNC( NtCurrentTeb, ".byte 0x64\n\tmovl 0x18,%eax\n\tret" );
 #elif defined(__i386__) && defined(_MSC_VER)
-__declspec(naked) struct _TEB * WINAPI NtCurrentTeb(void)
-{
-    __asm mov eax, fs:[0x18];
-    __asm ret;
-}
+/* Nothing needs to be done. MS C "magically" exports the inline version from winnt.h */
 #elif defined(HAVE__LWP_CREATE)
 /***********************************************************************
  *		NtCurrentTeb (NTDLL.@)

tools/winebuild/spec16.c

@@ -36,9 +36,13 @@
 #include "build.h"
 
 #ifdef __i386__
+#ifdef _MSC_VER
+extern unsigned short __get_cs(void) { unsigned short res; __asm { mov res, cs } return res; }
+#else
 extern unsigned short __get_cs(void);
 __ASM_GLOBAL_FUNC( __get_cs, "movw %cs,%ax\n\tret" );
-#endif /* __i386__ */
+#endif /* defined(_MSC_VER) */
+#endif /* defined(__i386__) */
 
 
 /*******************************************************************