Changeset 753 for trunk/src/emx/include/os2emx.h

Timestamp:

Sep 29, 2003, 11:19:59 PM (22 years ago)

Author:

bird

Message:

#679: FS preservation.

File:

• trunk/src/emx/include/os2emx.h (modified) (3 diffs, 1 prop)

trunk/src/emx/include/os2emx.h

@@ -3660 +3660 @@
 typedef QSEXLREC qsExLrec_t;
 
-#pragma pack(1)
 typedef struct _QSSFT
 {
@@ -3674 +3673 @@
   PADSHORT;
 } QSSFT;
-#pragma pack()
 typedef QSSFT qsSft_t;
 
@@ -13146 +13144 @@
 #endif /* INCL_MOU */
 
+
+/* --------------------- FS Save/Load/Restore macros ---------------------- */
+
+#if defined(INCL_FSMACROS)
+
+#ifndef FS_DISABLED
+#define FS_VAR()        volatile unsigned __fs__;
+#define FS_SAVE()       __asm__ __volatile__ ("movl %%fs, %%eax; movl %%eax,%0;" : : "m" (__fs__) : "%eax" )
+#define FS_SAVE_LOAD()  __asm__ __volatile__ ("movl %%fs, %%eax; movl %%eax,%0; movl $DosTIB, %%eax; movl %%eax, %%fs" : : "m" (__fs__) : "%eax" )
+#define FS_RESTORE()    __asm__ __volatile__ ("movl %0, %%eax; movl %%eax,%%fs;" : : "m" (__fs__) : "%eax" )
+#else
+#define FS_VAR()
+#define FS_SAVE()       do { } while(0)
+#define FS_SAVE_LOAD()  do { } while(0)
+#define FS_RESTORE()    do { } while(0)
+#endif
+
+#endif /* INCL_FSMACROS */
+
 /* ------------------------------ THE END --------------------------------- */
 
-#pragma pack(4)
+#pragma pack()
 
 #endif /* not _OS2EMX_H */