* configure.tgt: Set gdb_target to r5900.

        * config/mips/tm-r5900.h, config/mips/r5900.mt: New files

        * mips-tdep.c (_initialize_mips_tdep): Allow target files to
        override default FPU type.
Brought over from r5900 branch.

4 files changed, 32 insertions, 4 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 12f2a20..fee143b 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,13 @@
+Fri Sep 26 12:40:51 1997  Jeffrey A Law  (law@cygnus.com)
+                          Michael Snyder  (msnyder@cleaver.cygnus.com)
+
+start-sanitize-r5900
+	* configure.tgt: Set gdb_target to r5900.
+	* config/mips/tm-r5900.h, config/mips/r5900.mt: New files
+end-sanitize-r5900
+	* mips-tdep.c (_initialize_mips_tdep): Allow target files to
+	override default FPU type.
+
 Fri Sep 26 10:33:54 1997  Felix Lee  <flee@cygnus.com>
 
 	* configure.tgt (v850-*-*): necmsg.lib instead of v850.lib.
diff --git a/gdb/config/mips/.Sanitize b/gdb/config/mips/.Sanitize
index c4e1e8d..be1b378 100644
--- a/gdb/config/mips/.Sanitize
+++ b/gdb/config/mips/.Sanitize
@@ -29,6 +29,12 @@ else
 	fi
 fi
 
+if ( echo $* | grep keep\-r5900 > /dev/null ) ; then
+	keep_these_too="tm-r5900.h r5900.mt ${keep_these_too}"
+else
+	lose_these_too="tm-r5900.h r5900.mt ${lose_these_too}"
+fi
+
 # All files listed between the "Things-to-keep:" line and the
 # "Files-to-sed:" line will be kept.  All other files will be removed.
 # Directories listed in this section will have their own Sanitize
diff --git a/gdb/configure.tgt b/gdb/configure.tgt
index 5a7a5b1..9b2c115 100644
--- a/gdb/configure.tgt
+++ b/gdb/configure.tgt
@@ -166,7 +166,7 @@ mips64*vr5000*el-*-elf*)	gdb_target=vr5000el ;;
 mips64*vr5000*-*-elf*)	gdb_target=vr5000
 		configdirs="${configdirs} gdbserver" ;;
 # start-sanitize-r5900
-mips64*r5900*-*-elf*)	gdb_target=vr5000el ;;
+mips64*r5900*-*-elf*)	gdb_target=r5900 ;;
 # end-sanitize-r5900
 # start-sanitize-tx19
 mips-tx19*el-* | mips*tx19*el-*-*)
diff --git a/gdb/mips-tdep.c b/gdb/mips-tdep.c
index b624739..6951ca5 100644
--- a/gdb/mips-tdep.c
+++ b/gdb/mips-tdep.c
@@ -1399,8 +1399,9 @@ mips_push_arguments(nargs, args, sp, struct_return, struct_addr)
 
 		  /* A non-floating-point argument being passed in a 
 		     general register.  If a struct or union, and if
-		     small enough for a single register, we have to 
-		     adjust the alignment.
+		     the remaining length is smaller than the register
+		     size, we have to adjust the register value on
+		     big endian targets.
 
 		     It does not seem to be necessary to do the
 		     same for integral types.
@@ -1408,7 +1409,8 @@ mips_push_arguments(nargs, args, sp, struct_return, struct_addr)
 		     Also don't do this adjustment on EABI targets.  */
 
 		  if (!MIPS_EABI &&
-		      TYPE_LENGTH (arg_type) < MIPS_REGSIZE &&
+		      TARGET_BYTE_ORDER == BIG_ENDIAN &&
+		      partial_len < MIPS_REGSIZE &&
 		      (typecode == TYPE_CODE_STRUCT ||
 		       typecode == TYPE_CODE_UNION))
 		    regval <<= ((MIPS_REGSIZE - partial_len) * 
@@ -2625,8 +2627,18 @@ normal floating point support.",
   c = add_show_from_set (c, &showlist);
   c->function.sfunc = mips_show_fpu_command;
 
+#ifndef MIPS_DEFAULT_FPU_TYPE
   mips_fpu = MIPS_FPU_DOUBLE;
   mips_fpu_string = strsave ("double");
+#else
+  mips_fpu = MIPS_DEFAULT_FPU_TYPE;
+  switch (mips_fpu) 
+  {
+    case MIPS_FPU_DOUBLE:  mips_fpu_string = strsave ("double");  break;
+    case MIPS_FPU_SINGLE:  mips_fpu_string = strsave ("single");  break;
+    case MIPS_FPU_NONE:    mips_fpu_string = strsave ("none");    break;
+  }    
+#endif
 
   c = add_set_cmd ("processor", class_support, var_string_noescape,
 		   (char *) &tmp_mips_processor_type,