MIPS: Replace regset_alloc() invocations by static regset structures.

After removal of the regset_alloc invocations, the appropriate tdep
fields become obsolete and are thus removed.

1 files changed, 24 insertions, 29 deletions

diff --git a/gdb/mips-linux-tdep.c b/gdb/mips-linux-tdep.c
index 61bea6c..a975db6 100644
--- a/gdb/mips-linux-tdep.c
+++ b/gdb/mips-linux-tdep.c
@@ -618,11 +618,30 @@ mips64_fill_fpregset_wrapper (const struct regset *regset,
   mips64_fill_fpregset (regcache, (mips64_elf_fpregset_t *)gregs, regnum);
 }
 
+static const struct regset mips_linux_gregset =
+  {
+    NULL, mips_supply_gregset_wrapper, mips_fill_gregset_wrapper
+  };
+
+static const struct regset mips64_linux_gregset =
+  {
+    NULL, mips64_supply_gregset_wrapper, mips64_fill_gregset_wrapper
+  };
+
+static const struct regset mips_linux_fpregset =
+  {
+    NULL, mips_supply_fpregset_wrapper, mips_fill_fpregset_wrapper
+  };
+
+static const struct regset mips64_linux_fpregset =
+  {
+    NULL, mips64_supply_fpregset_wrapper, mips64_fill_fpregset_wrapper
+  };
+
 static const struct regset *
 mips_linux_regset_from_core_section (struct gdbarch *gdbarch,
 				     const char *sect_name, size_t sect_size)
 {
-  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
   mips_elf_gregset_t gregset;
   mips_elf_fpregset_t fpregset;
   mips64_elf_gregset_t gregset64;
@@ -631,21 +650,9 @@ mips_linux_regset_from_core_section (struct gdbarch *gdbarch,
   if (strcmp (sect_name, ".reg") == 0)
     {
       if (sect_size == sizeof (gregset))
-	{
-	  if (tdep->gregset == NULL)
-	    tdep->gregset = regset_alloc (gdbarch,
-					  mips_supply_gregset_wrapper,
-					  mips_fill_gregset_wrapper);
-	  return tdep->gregset;
-	}
+	return &mips_linux_gregset;
       else if (sect_size == sizeof (gregset64))
-	{
-	  if (tdep->gregset64 == NULL)
-	    tdep->gregset64 = regset_alloc (gdbarch,
-					    mips64_supply_gregset_wrapper,
-					    mips64_fill_gregset_wrapper);
-	  return tdep->gregset64;
-	}
+	return &mips64_linux_gregset;
       else
 	{
 	  warning (_("wrong size gregset struct in core file"));
@@ -654,21 +661,9 @@ mips_linux_regset_from_core_section (struct gdbarch *gdbarch,
   else if (strcmp (sect_name, ".reg2") == 0)
     {
       if (sect_size == sizeof (fpregset))
-	{
-	  if (tdep->fpregset == NULL)
-	    tdep->fpregset = regset_alloc (gdbarch,
-					   mips_supply_fpregset_wrapper,
-					   mips_fill_fpregset_wrapper);
-	  return tdep->fpregset;
-	}
+	return &mips_linux_fpregset;
       else if (sect_size == sizeof (fpregset64))
-	{
-	  if (tdep->fpregset64 == NULL)
-	    tdep->fpregset64 = regset_alloc (gdbarch,
-					     mips64_supply_fpregset_wrapper,
-					     mips64_fill_fpregset_wrapper);
-	  return tdep->fpregset64;
-	}
+	return &mips64_linux_fpregset;
       else
 	{
 	  warning (_("wrong size fpregset struct in core file"));