patch-2.1.73 linux/arch/i386/math-emu/fpu_system.h

• Lines: 87
• Date: Tue Dec 9 17:57:09 1997
• Orig file: v2.1.72/linux/arch/i386/math-emu/fpu_system.h
• Orig date: Tue Oct 15 05:42:06 1996

diff -u --recursive --new-file v2.1.72/linux/arch/i386/math-emu/fpu_system.h linux/arch/i386/math-emu/fpu_system.h
@@ -1,9 +1,9 @@
 /*---------------------------------------------------------------------------+
  |  fpu_system.h                                                             |
  |                                                                           |
- | Copyright (C) 1992,1994                                                   |
+ | Copyright (C) 1992,1994,1997                                              |
  |                       W. Metzenthen, 22 Parker St, Ormond, Vic 3163,      |
- |                       Australia.  E-mail   billm@vaxc.cc.monash.edu.au    |
+ |                       Australia.  E-mail   billm@suburbia.net             |
  |                                                                           |
  +---------------------------------------------------------------------------*/
 
@@ -18,19 +18,19 @@
 
 /* This sets the pointer FPU_info to point to the argument part
    of the stack frame of math_emulate() */
-#define SETUP_DATA_AREA(arg)    FPU_info = (struct info *) &arg
+#define SETUP_DATA_AREA(arg)	FPU_info = (struct info *) &arg
 
-#define LDT_DESCRIPTOR(s)       (current->ldt[(s) >> 3])
-#define SEG_D_SIZE(x)           ((x).b & (3 << 21))
-#define SEG_G_BIT(x)            ((x).b & (1 << 23))
-#define SEG_GRANULARITY(x)      (((x).b & (1 << 23)) ? 4096 : 1)
-#define SEG_286_MODE(x)         ((x).b & ( 0xff000000 | 0xf0000 | (1 << 23)))
-#define SEG_BASE_ADDR(s)        (((s).b & 0xff000000) \
+#define LDT_DESCRIPTOR(s)	(current->ldt[(s) >> 3])
+#define SEG_D_SIZE(x)		((x).b & (3 << 21))
+#define SEG_G_BIT(x)		((x).b & (1 << 23))
+#define SEG_GRANULARITY(x)	(((x).b & (1 << 23)) ? 4096 : 1)
+#define SEG_286_MODE(x)		((x).b & ( 0xff000000 | 0xf0000 | (1 << 23)))
+#define SEG_BASE_ADDR(s)	(((s).b & 0xff000000) \
 				 | (((s).b & 0xff) << 16) | ((s).a >> 16))
-#define SEG_LIMIT(s)            (((s).b & 0xff0000) | ((s).a & 0xffff))
-#define SEG_EXECUTE_ONLY(s)     (((s).b & ((1 << 11) | (1 << 9))) == (1 << 11))
-#define SEG_WRITE_PERM(s)       (((s).b & ((1 << 11) | (1 << 9))) == (1 << 9))
-#define SEG_EXPAND_DOWN(s)      (((s).b & ((1 << 11) | (1 << 10))) \
+#define SEG_LIMIT(s)		(((s).b & 0xff0000) | ((s).a & 0xffff))
+#define SEG_EXECUTE_ONLY(s)	(((s).b & ((1 << 11) | (1 << 9))) == (1 << 11))
+#define SEG_WRITE_PERM(s)	(((s).b & ((1 << 11) | (1 << 9))) == (1 << 9))
+#define SEG_EXPAND_DOWN(s)	(((s).b & ((1 << 11) | (1 << 10))) \
 				 == (1 << 10))
 
 #define I387			(current->tss.i387)
@@ -48,23 +48,24 @@
 
 /* nz if ip_offset and cs_selector are not to be set for the current
    instruction. */
-#define no_ip_update            (((char *)&(I387.soft.twd))[0])
-#define FPU_rm                  (((unsigned char *)&(I387.soft.twd))[1])
+#define no_ip_update		(*(u_char *)&(I387.soft.no_update))
+#define FPU_rm			(*(u_char *)&(I387.soft.rm))
 
 /* Number of bytes of data which can be legally accessed by the current
    instruction. This only needs to hold a number <= 108, so a byte will do. */
-#define access_limit            (((unsigned char *)&(I387.soft.twd))[2])
+#define access_limit		(*(u_char *)&(I387.soft.alimit))
 
-#define partial_status       	(I387.soft.swd)
+#define partial_status		(I387.soft.swd)
 #define control_word		(I387.soft.cwd)
-#define regs			(I387.soft.regs)
-#define top			(I387.soft.top)
+#define fpu_tag_word		(I387.soft.twd)
+#define registers		(I387.soft.st_space)
+#define top			(I387.soft.ftop)
 
-#define instruction_address     (*(struct address *)&I387.soft.fip)
-#define operand_address         (*(struct address *)&I387.soft.foo)
+#define instruction_address	(*(struct address *)&I387.soft.fip)
+#define operand_address		(*(struct address *)&I387.soft.foo)
 
-#define FPU_verify_area(x,y,z)  if ( verify_area(x,y,z) ) \
-                                math_abort(FPU_info,SIGSEGV)
+#define FPU_verify_area(x,y,z)	if ( verify_area(x,y,z) ) \
+				math_abort(FPU_info,SIGSEGV)
 
 #undef FPU_IGNORE_CODE_SEGV
 #ifdef FPU_IGNORE_CODE_SEGV
@@ -79,5 +80,8 @@
    past the upper boundary of a legal code area. */
 #define	FPU_code_verify_area(z) FPU_verify_area(VERIFY_READ,(void *)FPU_EIP,z)
 #endif
+
+#define FPU_get_user(x,y)       get_user((x),(y))
+#define FPU_put_user(x,y)       put_user((x),(y))
 
 #endif