2000-12-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>

[deliverable/binutils-gdb.git] / gdb / ppc-linux-nat.c

diff --git a/gdb/ppc-linux-nat.c b/gdb/ppc-linux-nat.c
index 30e580a0def5493a76a5ae6db9922c9ed3d0229c..d562eca6f605e23d55bbfe2433f03d6d71f6b79b 100644 (file)
--- a/gdb/ppc-linux-nat.c
+++ b/gdb/ppc-linux-nat.c
@@ -35,7 +35,7 @@
 #include "gregset.h"
 
 int
-kernel_u_size ()
+kernel_u_size (void)
 {
   return (sizeof (struct user));
 }
@@ -58,7 +58,7 @@ ppc_register_u_addr (int ustart, int regnum)
 }
 
 void
-supply_gregset (gregset_t * gregsetp)
+supply_gregset (gdb_gregset_t *gregsetp)
 {
   int regi;
   register greg_t *regp = (greg_t *) gregsetp;
@@ -71,7 +71,29 @@ supply_gregset (gregset_t * gregsetp)
 }
 
 void
-supply_fpregset (fpregset_t * fpregsetp)
+fill_gregset (gdb_gregset_t *gregsetp, int regno)
+{
+  int regi;
+  greg_t *regp = (greg_t *) gregsetp;
+
+#define COPY_REG(_idx_,_regi_) \
+  if ((regno == -1) || regno == _regi_) \
+    memcpy (regp + _idx_, &registers[REGISTER_BYTE (_regi_)], \
+           REGISTER_RAW_SIZE (_regi_))
+
+  for (regi = 0; regi < 32; regi++)
+    {
+      COPY_REG (regmap[regi], regi);
+    }
+
+  for (regi = FIRST_UISA_SP_REGNUM; regi <= LAST_UISA_SP_REGNUM; regi++)
+    {
+      COPY_REG (regmap[regi], regi);
+    }
+}
+
+void
+supply_fpregset (gdb_fpregset_t * fpregsetp)
 {
   int regi;
   for (regi = 0; regi < 32; regi++)
@@ -79,3 +101,26 @@ supply_fpregset (fpregset_t * fpregsetp)
       supply_register (FP0_REGNUM + regi, (char *) (*fpregsetp + regi));
     }
 }
+
+/*  Given a pointer to a floating point register set in /proc format
+   (fpregset_t *), update the register specified by REGNO from gdb's idea
+   of the current floating point register set.  If REGNO is -1, update
+   them all. */
+
+void
+fill_fpregset (gdb_fpregset_t *fpregsetp, int regno)
+{
+  int regi;
+  char *to;
+  char *from;
+  
+  for (regi = 0; regi < 32; regi++)
+    {
+      if ((regno == -1) || (regno == FP0_REGNUM + regi))
+        {
+         from = (char *) &registers[REGISTER_BYTE (FP0_REGNUM + regi)];
+         to = (char *) (*fpregsetp + regi);
+         memcpy (to, from, REGISTER_RAW_SIZE (FP0_REGNUM + regi));
+        }
+    }
+}