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

diff --git a/gdb/sparc-nat.c b/gdb/sparc-nat.c
index 9136c28b258706a30a115fdbae6ae10f3e75f486..c0007fe74f403dae382d282aa0ee748c4f06154f 100644 (file)
--- a/gdb/sparc-nat.c
+++ b/gdb/sparc-nat.c
@@ -1,7 +1,6 @@
 /* Native-dependent code for SPARC.
 
-   Copyright (C) 2003, 2004, 2005, 2007, 2008, 2009
-   Free Software Foundation, Inc.
+   Copyright (C) 2003-2005, 2007-2012 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -83,19 +82,22 @@ typedef struct fp_status fpregset_t;
 
 /* Register set description.  */
 const struct sparc_gregset *sparc_gregset;
+const struct sparc_fpregset *sparc_fpregset;
 void (*sparc_supply_gregset) (const struct sparc_gregset *,
                              struct regcache *, int , const void *);
 void (*sparc_collect_gregset) (const struct sparc_gregset *,
                               const struct regcache *, int, void *);
-void (*sparc_supply_fpregset) (struct regcache *, int , const void *);
-void (*sparc_collect_fpregset) (const struct regcache *, int , void *);
-int (*sparc_gregset_supplies_p) (int);
-int (*sparc_fpregset_supplies_p) (int);
+void (*sparc_supply_fpregset) (const struct sparc_fpregset *,
+                              struct regcache *, int , const void *);
+void (*sparc_collect_fpregset) (const struct sparc_fpregset *,
+                               const struct regcache *, int , void *);
+int (*sparc_gregset_supplies_p) (struct gdbarch *, int);
+int (*sparc_fpregset_supplies_p) (struct gdbarch *, int);
 
 /* Determine whether `gregset_t' contains register REGNUM.  */
 
 int
-sparc32_gregset_supplies_p (int regnum)
+sparc32_gregset_supplies_p (struct gdbarch *gdbarch, int regnum)
 {
   /* Integer registers.  */
   if ((regnum >= SPARC_G1_REGNUM && regnum <= SPARC_G7_REGNUM)
@@ -117,7 +119,7 @@ sparc32_gregset_supplies_p (int regnum)
 /* Determine whether `fpregset_t' contains register REGNUM.  */
 
 int
-sparc32_fpregset_supplies_p (int regnum)
+sparc32_fpregset_supplies_p (struct gdbarch *gdbarch, int regnum)
 {
   /* Floating-point registers.  */
   if (regnum >= SPARC_F0_REGNUM && regnum <= SPARC_F31_REGNUM)
@@ -137,6 +139,7 @@ void
 sparc_fetch_inferior_registers (struct target_ops *ops,
                                struct regcache *regcache, int regnum)
 {
+  struct gdbarch *gdbarch = get_regcache_arch (regcache);
   int pid;
 
   /* NOTE: cagney/2002-12-03: This code assumes that the currently
@@ -158,11 +161,13 @@ sparc_fetch_inferior_registers (struct target_ops *ops,
 
   if (regnum == SPARC_G0_REGNUM)
     {
-      regcache_raw_supply (regcache, SPARC_G0_REGNUM, NULL);
+      gdb_byte zero[8] = { 0 };
+
+      regcache_raw_supply (regcache, SPARC_G0_REGNUM, &zero);
       return;
     }
 
-  if (regnum == -1 || sparc_gregset_supplies_p (regnum))
+  if (regnum == -1 || sparc_gregset_supplies_p (gdbarch, regnum))
     {
       gregset_t regs;
 
@@ -174,14 +179,14 @@ sparc_fetch_inferior_registers (struct target_ops *ops,
        return;
     }
 
-  if (regnum == -1 || sparc_fpregset_supplies_p (regnum))
+  if (regnum == -1 || sparc_fpregset_supplies_p (gdbarch, regnum))
     {
       fpregset_t fpregs;
 
       if (ptrace (PTRACE_GETFPREGS, pid, (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
        perror_with_name (_("Couldn't get floating point status"));
 
-      sparc_supply_fpregset (regcache, -1, &fpregs);
+      sparc_supply_fpregset (sparc_fpregset, regcache, -1, &fpregs);
     }
 }
 
@@ -189,6 +194,7 @@ void
 sparc_store_inferior_registers (struct target_ops *ops,
                                struct regcache *regcache, int regnum)
 {
+  struct gdbarch *gdbarch = get_regcache_arch (regcache);
   int pid;
 
   /* NOTE: cagney/2002-12-02: See comment in fetch_inferior_registers
@@ -197,7 +203,7 @@ sparc_store_inferior_registers (struct target_ops *ops,
   if (pid == 0)
     pid = PIDGET (inferior_ptid);
 
-  if (regnum == -1 || sparc_gregset_supplies_p (regnum))
+  if (regnum == -1 || sparc_gregset_supplies_p (gdbarch, regnum))
     {
       gregset_t regs;
 
@@ -223,7 +229,7 @@ sparc_store_inferior_registers (struct target_ops *ops,
        return;
     }
 
-  if (regnum == -1 || sparc_fpregset_supplies_p (regnum))
+  if (regnum == -1 || sparc_fpregset_supplies_p (gdbarch, regnum))
     {
       fpregset_t fpregs, saved_fpregs;
 
@@ -231,7 +237,7 @@ sparc_store_inferior_registers (struct target_ops *ops,
        perror_with_name (_("Couldn't get floating-point registers"));
 
       memcpy (&saved_fpregs, &fpregs, sizeof (fpregs));
-      sparc_collect_fpregset (regcache, regnum, &fpregs);
+      sparc_collect_fpregset (sparc_fpregset, regcache, regnum, &fpregs);
 
       /* Writing the floating-point registers will fail on NetBSD with
         EINVAL if the inferior process doesn't have an FPU state
@@ -252,7 +258,7 @@ sparc_store_inferior_registers (struct target_ops *ops,
 \f
 /* Fetch StackGhost Per-Process XOR cookie.  */
 
-LONGEST
+static LONGEST
 sparc_xfer_wcookie (struct target_ops *ops, enum target_object object,
                    const char *annex, gdb_byte *readbuf,
                    const gdb_byte *writebuf, ULONGEST offset, LONGEST len)
@@ -350,6 +356,8 @@ _initialize_sparc_nat (void)
   /* Deafult to using SunOS 4 register sets.  */
   if (sparc_gregset == NULL)
     sparc_gregset = &sparc32_sunos4_gregset;
+  if (sparc_fpregset == NULL)
+    sparc_fpregset = &sparc32_sunos4_fpregset;
   if (sparc_supply_gregset == NULL)
     sparc_supply_gregset = sparc32_supply_gregset;
   if (sparc_collect_gregset == NULL)