Fix whitespace problem in my most recent entry.

[deliverable/binutils-gdb.git] / gdb / go32-nat.c

diff --git a/gdb/go32-nat.c b/gdb/go32-nat.c
index 885662be76e624ce033872f5e3497744aed71f5f..461c783918f0fd7ba524d1e7a7d5c766d52036b7 100644 (file)
--- a/gdb/go32-nat.c
+++ b/gdb/go32-nat.c
@@ -28,6 +28,8 @@
 #include "command.h"
 #include "floatformat.h"
 #include "buildsym.h"
+#include "i387-nat.h"
+#include "regcache.h"
 
 #include <stdio.h>             /* required for __DJGPP_MINOR__ */
 #include <stdlib.h>
@@ -450,55 +452,27 @@ go32_wait (int pid ATTRIBUTE_UNUSED, struct target_waitstatus *status)
 }
 
 static void
-go32_fetch_registers (int regno)
+fetch_register (int regno)
 {
-  /*JHW */
-  int end_reg = regno + 1;     /* just one reg initially */
-
-  if (regno < 0)               /* do the all registers */
-    {
-      regno = 0;               /* start at first register */
-      /* # regs in table */
-      end_reg = sizeof (regno_mapping) / sizeof (regno_mapping[0]);
-    }
+  if (regno < FP0_REGNUM)
+    supply_register (regno, (char *) &a_tss + regno_mapping[regno].tss_ofs);
+  else if (regno <= LAST_FPU_CTRL_REGNUM)
+    i387_supply_register (regno, (char *) &npx);
+  else
+    internal_error (__FILE__, __LINE__,
+                   "Invalid register no. %d in fetch_register.", regno);
+}
 
-  for (; regno < end_reg; regno++)
+static void
+go32_fetch_registers (int regno)
+{
+  if (regno >= 0)
+    fetch_register (regno);
+  else
     {
-      if (regno < 16)
-       supply_register (regno,
-                        (char *) &a_tss + regno_mapping[regno].tss_ofs);
-      else if (regno < 24)
-       supply_register (regno,
-                        (char *) &npx.reg[regno_mapping[regno].tss_ofs]);
-      else if (regno < 32)
-       {
-         unsigned regval;
-
-         switch (regno_mapping[regno].size)
-           {
-             case 2:
-               regval = *(unsigned short *)
-                 ((char *) &npx + regno_mapping[regno].tss_ofs);
-               regval &= 0xffff;
-               if (regno == FOP_REGNUM && regval)
-                 /* Feature: restore the 5 bits of the opcode
-                    stripped by FSAVE/FNSAVE.  */
-                 regval |= 0xd800;
-               break;
-             case 4:
-               regval = *(unsigned *)
-                 ((char *) &npx + regno_mapping[regno].tss_ofs);
-               break;
-             default:
-               internal_error (__FILE__, __LINE__, "\
-Invalid native size for register no. %d in go32_fetch_register.", regno);
-           }
-         supply_register (regno, (char *) &regval);
-       }
-      else
-       internal_error (__FILE__, __LINE__,
-                       "Invalid register no. %d in go32_fetch_register.",
-                       regno);
+      for (regno = 0; regno < FP0_REGNUM; regno++)
+       fetch_register (regno);
+      i387_supply_fsave ((char *) &npx);
     }
 }
 
@@ -508,18 +482,14 @@ store_register (int regno)
   void *rp;
   void *v = (void *) &registers[REGISTER_BYTE (regno)];
 
-  if (regno < 16)
-    rp = (char *) &a_tss + regno_mapping[regno].tss_ofs;
-  else if (regno < 24)
-    rp = (char *) &npx.reg[regno_mapping[regno].tss_ofs];
-  else if (regno < 32)
-    rp = (char *) &npx + regno_mapping[regno].tss_ofs;
+  if (regno < FP0_REGNUM)
+    memcpy ((char *) &a_tss + regno_mapping[regno].tss_ofs,
+           v, regno_mapping[regno].size);
+  else if (regno <= LAST_FPU_CTRL_REGNUM)
+    i387_fill_fsave ((char *)&npx, regno);
   else
     internal_error (__FILE__, __LINE__,
                    "Invalid register no. %d in store_register.", regno);
-  memcpy (rp, v, regno_mapping[regno].size);
-  if (regno == FOP_REGNUM)
-    *(short *)rp &= 0x07ff; /* strip high 5 bits, in case they added them */
 }
 
 static void
@@ -531,8 +501,9 @@ go32_store_registers (int regno)
     store_register (regno);
   else
     {
-      for (r = 0; r < sizeof (regno_mapping) / sizeof (regno_mapping[0]); r++)
+      for (r = 0; r < FP0_REGNUM; r++)
        store_register (r);
+      i387_fill_fsave ((char *) &npx, -1);
     }
 }