import gdb-1999-06-01 snapshot

25 files changed, 580 insertions, 153 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 8bd37ad..26a138a 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,104 @@
+Tue Jun  1 18:47:54 1999  Andrew Cagney  <cagney@b1.cygnus.com>
+
+	* parse.c (build_parse): New function.  Initialize
+ 	msym_text_symbol_type, msym_data_symbol_type and
+ 	msym_unknown_symbol_type.
+	(_initialize_parse): Call build_parse.
+
+Tue Jun  1 10:45:24 1999  Andrew Cagney  <cagney@b1.cygnus.com>
+
+	* config/d10v/tm-d10v.h (REGISTER_CONVERTIBLE,
+ 	REGISTER_CONVERT_TO_RAW, REGISTER_CONVERT_TO_VIRTUAL): Convert
+ 	macros into functions.
+	* config/d10v/tm-d10v.h, d10v-tdep.c (d10v_register_convertable,
+ 	d10v_register_convert_to_virtual, d10v_register_convert_to_raw):
+ 	The new functions.
+
+1999-05-31  Fernando Nasser  <fnasser@totem.to.cygnus.com>
+
+	* stack.c (print_args_stub): Add missing stream parameter.
+
+Mon May 31 15:50:08 1999  Andrew Cagney  <cagney@b1.cygnus.com>
+
+	Fri May 28 16:51:00 1999  Martin Dorey  <martin.dorey@madge.com>:
+        * valops.c, value.h (default_push_arguments): Fix order of
+ 	parameters to match PUSH_ARGUMENTS arguments.
+
+Thu May 27 11:42:55 1999  Andrew Cagney  <cagney@b1.cygnus.com>
+
+	* gdbarch.h (EXTRACT_STRUCT_VALUE_ADDRESS): Return 0.
+
+	* valops.c (value_assign): Delete redundant test of
+ 	REGISTER_CONVERTIBLE.
+
+Thu May 27 11:33:57 1999  Andrew Cagney  <cagney@b1.cygnus.com>
+
+	* config/w65/tm-w65.h, config/tic80/tm-tic80.h, config/sh/tm-sh.h,
+ 	config/i386/tm-i386m3.h, config/i386/tm-go32.h,
+ 	config/i386/tm-cygwin.h, config/h8500/tm-h8500.h,
+ 	config/d30v/tm-d30v.h, config/d10v/tm-d10v.h: Delete definition of
+ 	macro NAMES_HAVE_UNDERSCORE.
+
+Thu May 27 09:31:06 1999  Andrew Cagney  <cagney@b1.cygnus.com>
+
+	* gdbarch.h (EXTRACT_STRUCT_VALUE_ADDRESS,
+ 	EXTRACT_STRUCT_VALUE_ADDRESS_P): Provide default definitions.
+	* values.c (value_being_returned): Use
+ 	EXTRACT_STRUCT_VALUE_ADDRESS when EXTRACT_STRUCT_VALUE_ADDRESS_P.
+
+Wed May 26 13:51:25 1999  Andrew Cagney  <cagney@b1.cygnus.com>
+
+	* utils.c (tui_file_new, tui_file_delete, tui_fileopen): New
+ 	functions.
+	(tui_file_isatty): Rename gdb_file_isatty.
+	(gdb_file_init_astring): Use tui_file_new to create stream.
+	(gdb_file_get_strbuf, gdb_file_adjust_strbuf): Call gdb_file_data
+ 	to access the tui_stream.
+	(tui_file_flush): Rename gdb_flush. Call gdb_file_data to access
+ 	the tui_stream. Pass FILE and not STREAM down.
+	
+	* utils.c (struct stdio_file, stdio_file_flush, stdio_file_fputs,
+ 	stdio_file_isatty, stdio_file_delete, stdio_file_new,
+ 	stdio_fileopen): Define type and functions.  Implement a simple
+ 	STDIO based gdb_file.
+	(struct gdb_file, gdb_file_new, gdb_file_delete, null_file_isatty,
+ 	null_file_flush, null_file_fputs, null_file_delete, gdb_file_data,
+ 	set_gdb_file_flush, set_gdb_file_isatty, set_gdb_file_fputs,
+ 	set_gdb_file_data, fputs_unfiltered, gdb_flush, gdb_file_isatty):
+ 	Define type and functions.  Implement virtual functions for
+ 	gdb_file.
+
+	* defs.h (struct gdb_file): Declare.
+	(GDB_FILE): Change type to struct gdb_file. Deprecate.
+	(gdb_file_flush_ftype, gdb_file_fputs_ftype,
+ 	gdb_file_isatty_ftype, gdb_file_delete_ftype): Add function type
+ 	declarations.
+	
+	* defs.h (set_gdb_file_flush, set_gdb_file_fputs,
+ 	set_gdb_file_isatty, set_gdb_file_data, gdb_file_new,
+ 	gdb_file_delete, gdb_file_data, stdio_fileopen, tui_fileopen): Add
+ 	function declarations.
+	(gdb_fopen): Re-implement. Call stdio_file_new.
+	(gdb_fclose): Re-implement. Call gdb_file_delete.
+	
+	* main.c (tui_file_fputs): Rename fputs_unfiltered.  Use
+ 	gdb_file_data to gain access to the tui_stream data.  Use FILE
+ 	instead of STREAM where applicable.
+	(main): Create gdb_stdout and gdb_stderr using tui_fileopen.
+	
+	* defs.h (struct tui_stream): Add field ts_magic.
+	* utils.c (tui_file_magic): Local variable.
+	(tui_file_new): Set field ts_magic.
+	(tui_file_delete, tui_file_isatty, gdb_file_init_astring,
+ 	gdb_file_get_strbuf, gdb_file_adjust_strbuf, tui_file_flush):
+ 	Verify ts_magic.
+
+1999-05-25  Jim Blandy  <jimb@zwingli.cygnus.com>
+
+ 	* breakpoint.c (insert_breakpoints, remove_breakpoint,
+	breakpoint_1): Add a 'default' case, which prints a warning
+	message, to remove EGCS warnings.
+
 1999-05-25  Fernando Nasser  <fnasser@totem.to.cygnus.com>
 
 	* utils.c (gdb_file_adjust_strbuf): Take into account the
diff --git a/gdb/Makefile.in b/gdb/Makefile.in
index 3a76eee..714981d 100644
--- a/gdb/Makefile.in
+++ b/gdb/Makefile.in
@@ -219,7 +219,7 @@ CDEPS = $(XM_CDEPS) $(TM_CDEPS) $(NAT_CDEPS) $(SIM) $(BFD) $(READLINE) \
 ADD_FILES = $(REGEX) $(XM_ADD_FILES) $(TM_ADD_FILES) $(NAT_ADD_FILES)
 ADD_DEPS = $(REGEX1) $(XM_ADD_FILES) $(TM_ADD_FILES) $(NAT_ADD_FILES)
 
-VERSION = 19990525
+VERSION = 19990601
 DIST=gdb
 
 LINT=/usr/5bin/lint
@@ -1637,4 +1637,5 @@ m2-exp.tab.o: m2-exp.tab.c $(defs_h) $(expression_h) $(gdbtypes_h) \
 	language.h m2-lang.h parser-defs.h $(symtab_h) $(value_h) \
 	$(bfd_h) objfiles.h symfile.h
 
+
 ### end of the gdb Makefile.in.
diff --git a/gdb/breakpoint.c b/gdb/breakpoint.c
index b73305a..11caae0 100644
--- a/gdb/breakpoint.c
+++ b/gdb/breakpoint.c
@@ -877,6 +877,9 @@ which its expression is valid.\n", b->number);
 	    case bp_catch_exec :
 	      val = target_insert_exec_catchpoint (inferior_pid);
 	      break;
+	    default:
+	      warning ("GDB bug: breakpoint.c (insert_breakpoints): enclosing `if' does not protect `switch'");
+	      break;
             }
           if (val < 0)
             {
@@ -1191,6 +1194,9 @@ remove_breakpoint (b, is)
           case bp_catch_exec :
             val = target_remove_exec_catchpoint (inferior_pid);
             break;
+	default:
+	  warning ("GDB bug: breakpoint.c (remove_breakpoint): enclosing `if' does not protect `switch'");
+	  break;
         }
       if (val)
 	return val;
diff --git a/gdb/config/d10v/tm-d10v.h b/gdb/config/d10v/tm-d10v.h
index f0760dc..85aa3ef 100644
--- a/gdb/config/d10v/tm-d10v.h
+++ b/gdb/config/d10v/tm-d10v.h
@@ -1,5 +1,5 @@
 /* Target-specific definition for the Mitsubishi D10V
-   Copyright (C) 1996 Free Software Foundation, Inc.
+   Copyright (C) 1996,1999 Free Software Foundation, Inc.
 
 This file is part of GDB.
 
@@ -19,6 +19,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
 /* Contributed by Martin Hunt, hunt@cygnus.com */
 
+
 /* #define GDB_TARGET_IS_D10V - moved to gdbarch.h */
 
 /* Define the bit, byte, and word ordering of the machine.  */
@@ -118,21 +119,14 @@ extern struct type *d10v_register_virtual_type PARAMS ((int reg_nr));
 
 
 /* convert $pc and $sp to/from virtual addresses */
-#define REGISTER_CONVERTIBLE(N) ((N) == PC_REGNUM || (N) == SP_REGNUM)
+extern int d10v_register_convertible PARAMS ((int nr));
+#define REGISTER_CONVERTIBLE(N) (d10v_register_convertible ((N)))
+extern void d10v_register_convert_to_virtual PARAMS ((int regnum, struct type *type, char *from, char *to));
 #define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,TYPE,FROM,TO) \
-{ \
-    ULONGEST x = extract_unsigned_integer ((FROM), REGISTER_RAW_SIZE (REGNUM)); \
-    if (REGNUM == PC_REGNUM) x = (x << 2) | IMEM_START; \
-    else x |= DMEM_START; \
-    store_unsigned_integer ((TO), TYPE_LENGTH(TYPE), x); \
-}
+  d10v_register_convert_to_virtual ((REGNUM), (TYPE), (FROM), (TO))
+extern void d10v_register_convert_to_raw PARAMS ((struct type *type, int regnum, char *from, char *to));
 #define REGISTER_CONVERT_TO_RAW(TYPE,REGNUM,FROM,TO) \
-{ \
-    ULONGEST x = extract_unsigned_integer ((FROM), TYPE_LENGTH(TYPE)); \
-    x &= 0x3ffff; \
-    if (REGNUM == PC_REGNUM) x >>= 2; \
-    store_unsigned_integer ((TO), 2, x); \
-}
+  d10v_register_convert_to_raw ((TYPE), (REGNUM), (FROM), (TO))
 
 extern CORE_ADDR d10v_make_daddr PARAMS ((CORE_ADDR x));
 #define D10V_MAKE_DADDR(x) (d10v_make_daddr (x))
@@ -252,9 +246,6 @@ extern CORE_ADDR d10v_saved_pc_after_call PARAMS ((struct frame_info *frame));
 
 extern void d10v_frame_find_saved_regs PARAMS ((struct frame_info *, struct frame_saved_regs *));
 
-#define NAMES_HAVE_UNDERSCORE
-
-
 /* DUMMY FRAMES.  Need these to support inferior function calls.  They
    work like this on D10V: First we set a breakpoint at 0 or __start.
    Then we push all the registers onto the stack.  Then put the
diff --git a/gdb/config/d30v/tm-d30v.h b/gdb/config/d30v/tm-d30v.h
index dda61b6..124b8b4 100644
--- a/gdb/config/d30v/tm-d30v.h
+++ b/gdb/config/d30v/tm-d30v.h
@@ -253,8 +253,6 @@ extern int d30v_frame_chain_valid PARAMS ((CORE_ADDR, struct frame_info *));
 
 extern void d30v_frame_find_saved_regs PARAMS ((struct frame_info *, struct frame_saved_regs *));
 
-#define NAMES_HAVE_UNDERSCORE
-      
 /* DUMMY FRAMES.  Need these to support inferior function calls.
    They work like this on D30V:
    First we set a breakpoint at 0 or __start.
diff --git a/gdb/config/h8500/tm-h8500.h b/gdb/config/h8500/tm-h8500.h
index 0f34a00..46ce2c3 100644
--- a/gdb/config/h8500/tm-h8500.h
+++ b/gdb/config/h8500/tm-h8500.h
@@ -247,8 +247,6 @@ extern void h8500_pop_frame PARAMS ((void));
 #define SHORT_INT_MAX 32767
 #define SHORT_INT_MIN -32768
 
-#define NAMES_HAVE_UNDERSCORE
-
 typedef unsigned short INSN_WORD;
 
 extern CORE_ADDR h8500_addr_bits_remove PARAMS ((CORE_ADDR));
diff --git a/gdb/config/i386/tm-cygwin.h b/gdb/config/i386/tm-cygwin.h
index b1ad894..acca6b9 100644
--- a/gdb/config/i386/tm-cygwin.h
+++ b/gdb/config/i386/tm-cygwin.h
@@ -117,8 +117,6 @@ double_to_i387 PARAMS ((char *, char *));
   ((N < FP0_REGNUM) ? builtin_type_int : \
    builtin_type_double)
 
-#define NAMES_HAVE_UNDERSCORE
-
 #define IN_SOLIB_CALL_TRAMPOLINE(pc, name) skip_trampoline_code (pc, name)
 #define SKIP_TRAMPOLINE_CODE(pc)           skip_trampoline_code (pc, 0)
 extern CORE_ADDR skip_trampoline_code PARAMS ((CORE_ADDR pc, char *name));
diff --git a/gdb/config/i386/tm-go32.h b/gdb/config/i386/tm-go32.h
index 84b8292..3387ac2 100644
--- a/gdb/config/i386/tm-go32.h
+++ b/gdb/config/i386/tm-go32.h
@@ -208,5 +208,3 @@ extern void double_to_i387 PARAMS ((char *, char *));
 
 #undef TARGET_LONG_DOUBLE_BIT
 #define TARGET_LONG_DOUBLE_BIT 96
-
-#define NAMES_HAVE_UNDERSCORE
diff --git a/gdb/config/i386/tm-i386m3.h b/gdb/config/i386/tm-i386m3.h
index 2f97505..523dabb 100644
--- a/gdb/config/i386/tm-i386m3.h
+++ b/gdb/config/i386/tm-i386m3.h
@@ -40,11 +40,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 /* we can do it */
 #define ATTACH_DETACH 1
 
-/* Define this if the C compiler puts an underscore at the front
-   of external names before giving them to the linker.  */
-
-#define NAMES_HAVE_UNDERSCORE
-
 /* Sigh. There should be a file for i386 but no sysv stuff in it */
 #include "i386/tm-i386.h"
 
diff --git a/gdb/config/sh/tm-sh.h b/gdb/config/sh/tm-sh.h
index 3552300..2a94f58 100644
--- a/gdb/config/sh/tm-sh.h
+++ b/gdb/config/sh/tm-sh.h
@@ -227,8 +227,6 @@ extern void sh_frame_find_saved_regs PARAMS ((struct frame_info *fi,
 #define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs)	    \
    sh_frame_find_saved_regs(frame_info, &(frame_saved_regs))
 
-#define NAMES_HAVE_UNDERSCORE
-
 typedef unsigned short INSN_WORD;
 
 extern CORE_ADDR sh_push_arguments PARAMS ((int nargs,
diff --git a/gdb/config/tic80/tm-tic80.h b/gdb/config/tic80/tm-tic80.h
index 567beb0..89aab87 100644
--- a/gdb/config/tic80/tm-tic80.h
+++ b/gdb/config/tic80/tm-tic80.h
@@ -31,11 +31,6 @@ struct frame_saved_regs;
 
 #define TARGET_BYTE_ORDER LITTLE_ENDIAN
 
-/* Define this if the C compiler puts an underscore at the front
-   of external names before giving them to the linker.  */
-
-#define NAMES_HAVE_UNDERSCORE
-
 #define NUM_REGS 38
 
 #define REGISTER_NAMES \
diff --git a/gdb/config/w65/tm-w65.h b/gdb/config/w65/tm-w65.h
index 05d93c3..412624d 100644
--- a/gdb/config/w65/tm-w65.h
+++ b/gdb/config/w65/tm-w65.h
@@ -187,8 +187,6 @@ extern CORE_ADDR w65_skip_prologue ();
 #define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs)	    \
    frame_find_saved_regs(frame_info, &(frame_saved_regs))
 
-#define NAMES_HAVE_UNDERSCORE
-
 typedef unsigned short INSN_WORD;
 
 extern CORE_ADDR w65_addr_bits_remove PARAMS ((CORE_ADDR));
diff --git a/gdb/d10v-tdep.c b/gdb/d10v-tdep.c
index 0ceee9f..e5f4d6d 100644
--- a/gdb/d10v-tdep.c
+++ b/gdb/d10v-tdep.c
@@ -151,24 +151,43 @@ d10v_register_virtual_type (reg_nr)
     return builtin_type_short;
 }
 
-#if 0
 /* convert $pc and $sp to/from virtual addresses */
-#define REGISTER_CONVERTIBLE(N) ((N) == PC_REGNUM || (N) == SP_REGNUM)
-#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,TYPE,FROM,TO) \
-{ \
-    ULONGEST x = extract_unsigned_integer ((FROM), REGISTER_RAW_SIZE (REGNUM)); \
-    if (REGNUM == PC_REGNUM) x = (x << 2) | IMEM_START; \
-    else x |= DMEM_START; \
-    store_unsigned_integer ((TO), TYPE_LENGTH(TYPE), x); \
+int
+d10v_register_convertible (nr)
+     int nr;
+{
+  return ((nr) == PC_REGNUM || (nr) == SP_REGNUM);
+}
+
+void
+d10v_register_convert_to_virtual (regnum, type, from, to)
+     int regnum;
+     struct type *type;
+     char *from;
+     char *to;
+{
+  ULONGEST x = extract_unsigned_integer (from, REGISTER_RAW_SIZE (regnum));
+  if (regnum == PC_REGNUM)
+    x = (x << 2) | IMEM_START;
+  else
+    x |= DMEM_START;
+  store_unsigned_integer (to, TYPE_LENGTH (type), x);
 }
-#define REGISTER_CONVERT_TO_RAW(TYPE,REGNUM,FROM,TO) \
-{ \
-    ULONGEST x = extract_unsigned_integer ((FROM), TYPE_LENGTH(TYPE)); \
-    x &= 0x3ffff; \
-    if (REGNUM == PC_REGNUM) x >>= 2; \
-    store_unsigned_integer ((TO), 2, x); \
+
+void
+d10v_register_convert_to_raw (type, regnum, from, to)
+     struct type *type;
+     int regnum;
+     char *from;
+     char *to;
+{
+  ULONGEST x = extract_unsigned_integer (from, TYPE_LENGTH (type));
+  x &= 0x3ffff;
+  if (regnum == PC_REGNUM)
+    x >>= 2;
+  store_unsigned_integer (to, 2, x);
 }
-#endif
+
 
 CORE_ADDR
 d10v_make_daddr (x)
@@ -1263,6 +1282,7 @@ display_trace (low, high)
     }
 }
 
+
 extern void (*target_resume_hook) PARAMS ((void));
 extern void (*target_wait_loop_hook) PARAMS ((void));
 
diff --git a/gdb/defs.h b/gdb/defs.h
index a65baab..52cff3c 100644
--- a/gdb/defs.h
+++ b/gdb/defs.h
@@ -347,23 +347,21 @@ enum streamtype
 };
 
 /* new */
-typedef struct tui_stream
+struct tui_stream
 {
+  int *ts_magic;
   enum streamtype ts_streamtype;
   FILE *ts_filestream;
   char *ts_strbuf;
   int ts_buflen;
-} GDB_FILE;
+};
+
+struct gdb_file;
+typedef struct gdb_file GDB_FILE; /* deprecated */
 
 extern GDB_FILE *gdb_stdout;
 extern GDB_FILE *gdb_stderr;
 
-#if 0
-typedef FILE GDB_FILE;
-#define gdb_stdout stdout
-#define gdb_stderr stderr
-#endif
-
 #if defined(TUI)
 #include "tui.h"
 #include "tuiCommand.h"
@@ -373,6 +371,33 @@ typedef FILE GDB_FILE;
 #include "tuiWin.h"
 #endif
 
+/* Create a new gdb_file with the specified methods. */
+
+typedef void (gdb_file_flush_ftype) PARAMS ((struct gdb_file *stream));
+extern void set_gdb_file_flush PARAMS ((struct gdb_file *stream, gdb_file_flush_ftype *flush));
+
+typedef void (gdb_file_fputs_ftype) PARAMS ((const char *, struct gdb_file *stream));
+extern void set_gdb_file_fputs PARAMS ((struct gdb_file *stream, gdb_file_fputs_ftype *fputs));
+
+typedef int (gdb_file_isatty_ftype) PARAMS ((struct gdb_file *stream));
+extern void set_gdb_file_isatty PARAMS ((struct gdb_file *stream, gdb_file_isatty_ftype *isatty));
+
+typedef void (gdb_file_delete_ftype) PARAMS ((struct gdb_file *stream));
+extern void set_gdb_file_data PARAMS ((struct gdb_file *stream, void *data, gdb_file_delete_ftype *delete));
+
+extern struct gdb_file *gdb_file_new PARAMS ((void));
+
+extern void gdb_file_delete PARAMS ((struct gdb_file *stream));
+
+extern void *gdb_file_data PARAMS ((struct gdb_file *file));
+
+/* Open the specified FILE as a gdb_file. */
+extern struct gdb_file *stdio_fileopen PARAMS ((FILE *)); 
+/* #if defined (TUI) */
+extern struct gdb_file *tui_fileopen PARAMS ((FILE *)); 
+/* #endif */
+
+/* deprecated - use gdb_file_delete */
 extern void gdb_fclose PARAMS ((GDB_FILE **));
 
 extern void gdb_flush PARAMS ((GDB_FILE *));
@@ -427,13 +452,19 @@ extern void printf_unfiltered PARAMS ((const char *, ...))
 
 extern int gdb_file_isatty PARAMS ((GDB_FILE *));
 
+/* #if defined (TUI) */
 extern GDB_FILE *gdb_file_init_astring PARAMS ((int));
+/* #endif */
 
 extern void gdb_file_deallocate PARAMS ((GDB_FILE **));
 
+/* #if defined (TUI) */
 extern char *gdb_file_get_strbuf PARAMS ((GDB_FILE *));
+/* #endif */
 
+/* #if defined (TUI) */
 extern void gdb_file_adjust_strbuf PARAMS ((int, GDB_FILE *));
+/* #endif */
 
 extern void print_spaces PARAMS ((int, GDB_FILE *));
 
diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog
index 87c3920..52fe917 100644
--- a/gdb/doc/ChangeLog
+++ b/gdb/doc/ChangeLog
@@ -1,3 +1,12 @@
+Tue Jun  1 15:04:15 1999  Andrew Cagney  <cagney@b1.cygnus.com>
+
+	* gdbint.texinfo (TARGET_COMPLEX_BIT, TARGET_DOUBLE_COMPLEX_BIT):
+ 	Document that these are not used.
+
+Thu May 27 09:28:15 1999  Andrew Cagney  <cagney@b1.cygnus.com>
+
+	* gdbint.texinfo (EXTRACT_STRUCT_VALUE_ADDRESS_P): Document.
+
 Mon May 24 10:07:39 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 
 	* gdbint.texinfo (FRAME_NUM_ARGS): Update definition.  Parameter
diff --git a/gdb/doc/gdbint.texinfo b/gdb/doc/gdbint.texinfo
index d829958..322e53f 100644
--- a/gdb/doc/gdbint.texinfo
+++ b/gdb/doc/gdbint.texinfo
@@ -1318,10 +1318,13 @@ the raw register state @var{regbuf} and copy that, in virtual format,
 into @var{valbuf}.
  
 @item EXTRACT_STRUCT_VALUE_ADDRESS(regbuf)
-Define this to extract from an array @var{regbuf} containing the (raw)
-register state, the address in which a function should return its
-structure value, as a CORE_ADDR (or an expression that can be used as
-one).
+When @var{EXTRACT_STRUCT_VALUE_ADDRESS_P} this is used to to extract
+from an array @var{regbuf} (containing the raw register state) the
+address in which a function should return its structure value, as a
+CORE_ADDR (or an expression that can be used as one).
+
+@item EXTRACT_STRUCT_VALUE_ADDRESS_P
+Predicate for @var{EXTRACT_STRUCT_VALUE_ADDRESS}.
 
 @item FLOAT_INFO
 If defined, then the `info float' command will print information about
@@ -1618,12 +1621,16 @@ Number of bits in a char; defaults to 8.
 @item TARGET_COMPLEX_BIT
 Number of bits in a complex number; defaults to @code{2 * TARGET_FLOAT_BIT}.
 
+At present this macro is not used.
+
 @item TARGET_DOUBLE_BIT
 Number of bits in a double float; defaults to @code{8 * TARGET_CHAR_BIT}.
 
 @item TARGET_DOUBLE_COMPLEX_BIT
 Number of bits in a double complex; defaults to @code{2 * TARGET_DOUBLE_BIT}.
 
+At present this macro is not used.
+
 @item TARGET_FLOAT_BIT
 Number of bits in a float; defaults to @code{4 * TARGET_CHAR_BIT}.
 
diff --git a/gdb/gdbarch.h b/gdb/gdbarch.h
index 3caa044..f922efa 100644
--- a/gdb/gdbarch.h
+++ b/gdb/gdbarch.h
@@ -129,6 +129,17 @@ extern disassemble_info tm_print_insn_info;
 #endif
 
 
+/* Fallback definition for EXTRACT_STRUCT_VALUE_ADDRESS */
+#ifndef EXTRACT_STRUCT_VALUE_ADDRESS
+#define EXTRACT_STRUCT_VALUE_ADDRESS_P (0)
+#define EXTRACT_STRUCT_VALUE_ADDRESS(X) (abort (), 0)
+#else
+#ifndef EXTRACT_STRUCT_VALUE_ADDRESS_P
+#define EXTRACT_STRUCT_VALUE_ADDRESS_P (1)
+#endif
+#endif
+
+
 /* Set the dynamic target-system-dependant parameters (architecture,
    byte-order, ...) using information found in the BFD */
 
diff --git a/gdb/main.c b/gdb/main.c
index 9d85aab..594ca9e 100644
--- a/gdb/main.c
+++ b/gdb/main.c
@@ -157,19 +157,14 @@ main (argc, argv)
   getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
   current_directory = gdb_dirbuf;
 
-  gdb_file_size = sizeof(GDB_FILE);
-
-  gdb_stdout = (GDB_FILE *)xmalloc (gdb_file_size);
-  gdb_stdout->ts_streamtype = afile;
-  gdb_stdout->ts_filestream = stdout;
-  gdb_stdout->ts_strbuf = NULL;
-  gdb_stdout->ts_buflen = 0;
-
-  gdb_stderr = (GDB_FILE *)xmalloc (gdb_file_size);
-  gdb_stderr->ts_streamtype = afile;
-  gdb_stderr->ts_filestream = stderr;
-  gdb_stderr->ts_strbuf = NULL;
-  gdb_stderr->ts_buflen = 0;
+#if 0
+  /* not yet */
+  gdb_stdout = stdio_fileopen (stdout);
+  gdb_stderr = stdio_fileopen (stderr);
+#else
+  gdb_stdout = tui_fileopen (stdout);
+  gdb_stderr = tui_fileopen (stderr);
+#endif
 
   /* Parse arguments and options.  */
   {
@@ -715,17 +710,21 @@ Report bugs to \"bug-gdb@prep.ai.mit.edu\".\
 }
 
 
-/* All I/O sent to the *_filtered and *_unfiltered functions eventually ends up
-   here.  The fputs_unfiltered_hook is primarily used by GUIs to collect all
-   output and send it to the GUI, instead of the controlling terminal.  Only
-   output to gdb_stdout and gdb_stderr are sent to the hook.  Everything else
-   is sent on to fputs to allow file I/O to be handled appropriately.  */
+/* All TUI I/O sent to the *_filtered and *_unfiltered functions
+   eventually ends up here.  The fputs_unfiltered_hook is primarily
+   used by GUIs to collect all output and send it to the GUI, instead
+   of the controlling terminal.  Only output to gdb_stdout and
+   gdb_stderr are sent to the hook.  Everything else is sent on to
+   fputs to allow file I/O to be handled appropriately.  */
+
+/* FIXME: Should be broken up and moved to a TUI specific file. */
 
 void
-fputs_unfiltered (linebuffer, stream)
+tui_file_fputs (linebuffer, file)
      const char *linebuffer;
-     GDB_FILE *stream;
+     GDB_FILE *file;
 {
+  struct tui_stream *stream = gdb_file_data (file);
 #if defined(TUI)
   extern int tui_owns_terminal;
 #endif
@@ -736,9 +735,9 @@ fputs_unfiltered (linebuffer, stream)
    * new (XDB style) scheme, we do not do that anymore... - RT
    */
   if (fputs_unfiltered_hook
-      && (stream == gdb_stdout
-	  || stream == gdb_stderr))
-    fputs_unfiltered_hook (linebuffer, stream);
+      && (file == gdb_stdout
+	  || file == gdb_stderr))
+    fputs_unfiltered_hook (linebuffer, file);
   else
     {
 #if defined(TUI)
@@ -772,7 +771,7 @@ fputs_unfiltered (linebuffer, stream)
 
 #else
       if (stream->ts_streamtype == astring) {
-           gdb_file_adjust_strbuf(strlen(linebuffer), stream);
+           gdb_file_adjust_strbuf(strlen(linebuffer), file);
            strcat(stream->ts_strbuf, linebuffer);
         } else fputs (linebuffer, stream->ts_filestream);
 #endif
diff --git a/gdb/parse.c b/gdb/parse.c
index 42b0f3b..d0424ce 100644
--- a/gdb/parse.c
+++ b/gdb/parse.c
@@ -1317,14 +1317,10 @@ follow_types (follow_type)
   return follow_type;
 }
 
-void
-_initialize_parse ()
+static void build_parse PARAMS ((void));
+static void
+build_parse ()
 {
-  type_stack_size = 80;
-  type_stack_depth = 0;
-  type_stack = (union type_stack_elt *)
-    xmalloc (type_stack_size * sizeof (*type_stack));
-
   msym_text_symbol_type =
     init_type (TYPE_CODE_FUNC, 1, 0, "<text variable, no debug info>", NULL);
   TYPE_TARGET_TYPE (msym_text_symbol_type) = builtin_type_int;
@@ -1335,6 +1331,17 @@ _initialize_parse ()
     init_type (TYPE_CODE_INT, 1, 0,
 	       "<variable (not text or data), no debug info>",
 	       NULL);
+}
+
+void
+_initialize_parse ()
+{
+  type_stack_size = 80;
+  type_stack_depth = 0;
+  type_stack = (union type_stack_elt *)
+    xmalloc (type_stack_size * sizeof (*type_stack));
+
+  build_parse ();
 
   add_show_from_set (
      add_set_cmd ("expressiondebug", class_maintenance, var_zinteger,
diff --git a/gdb/stack.c b/gdb/stack.c
index a3f302d..bae4711 100644
--- a/gdb/stack.c
+++ b/gdb/stack.c
@@ -305,6 +305,7 @@ print_only_stack_frame (fi, level, source)
 struct print_args_args {
   struct symbol *func;
   struct frame_info *fi;
+  GDB_FILE *stream;
 };
 
 static int print_args_stub PARAMS ((PTR));
@@ -319,7 +320,7 @@ print_args_stub (args)
   struct print_args_args *p = (struct print_args_args *)args;
 
   numargs = FRAME_NUM_ARGS (p->fi);
-  print_frame_args (p->func, p->fi, numargs, gdb_stdout);
+  print_frame_args (p->func, p->fi, numargs, p->stream);
   return 0;
 }
 
@@ -504,6 +505,7 @@ print_frame_info_base (fi, level, source, args)
 	  struct print_args_args args;
 	  args.fi = fi;
 	  args.func = func;
+	  args.stream = gdb_stdout;
 	  catch_errors (print_args_stub, &args, "", RETURN_MASK_ALL);
 	  QUIT;
 	}
diff --git a/gdb/testsuite/gdb.disasm/hppa.exp b/gdb/testsuite/gdb.disasm/hppa.exp
index 4c679a9..7296a8a 100644
--- a/gdb/testsuite/gdb.disasm/hppa.exp
+++ b/gdb/testsuite/gdb.disasm/hppa.exp
@@ -29,6 +29,7 @@ if ![istarget "hppa*-*-*"] {
     return
 }
 
+
 set prms_id 0
 set bug_id 0
 
diff --git a/gdb/utils.c b/gdb/utils.c
index 9ccdfed..b9b0a9e 100644
--- a/gdb/utils.c
+++ b/gdb/utils.c
@@ -1536,11 +1536,155 @@ begin_line ()
     }
 }
 
-int 
-gdb_file_isatty (stream)
-    GDB_FILE *stream;
+
+/* ``struct gdb_file'' implementation that maps directly onto
+   <stdio.h>'s FILE. */
+
+static gdb_file_fputs_ftype stdio_file_fputs;
+static gdb_file_isatty_ftype stdio_file_isatty;
+static gdb_file_delete_ftype stdio_file_delete;
+static struct gdb_file *stdio_file_new PARAMS ((FILE *file, int close_p));
+static gdb_file_flush_ftype stdio_file_flush;
+
+static int stdio_file_magic;
+
+struct stdio_file
+{
+  int *magic;
+  FILE *file;
+  int close_p;
+};
+
+static struct gdb_file *
+stdio_file_new (file, close_p)
+     FILE *file;
+     int close_p;
+{
+  struct gdb_file *gdb_file = gdb_file_new ();
+  struct stdio_file *stdio = xmalloc (sizeof (struct stdio_file));
+  stdio->magic = &stdio_file_magic;
+  stdio->file = file;
+  stdio->close_p = close_p;
+  set_gdb_file_data (gdb_file, stdio, stdio_file_delete);
+  set_gdb_file_flush (gdb_file, stdio_file_flush);
+  set_gdb_file_fputs (gdb_file, stdio_file_fputs);
+  set_gdb_file_isatty (gdb_file, stdio_file_isatty);
+  return gdb_file;
+}
+
+static void
+stdio_file_delete (file)
+     struct gdb_file *file;
+{
+  struct stdio_file *stdio = gdb_file_data (file);
+  if (stdio->magic != &stdio_file_magic)
+    error ("Internal error: bad magic number");
+  if (stdio->close_p)
+    {
+      fclose (stdio->file);
+    }
+  free (stdio);
+}
+
+static void
+stdio_file_flush (file)
+     struct gdb_file *file;
 {
+  struct stdio_file *stdio = gdb_file_data (file);
+  if (stdio->magic != &stdio_file_magic)
+    error ("Internal error: bad magic number");
+  fflush (stdio->file);
+}
+
+static void
+stdio_file_fputs (linebuffer, file)
+     const char *linebuffer;
+     struct gdb_file *file;
+{
+  struct stdio_file *stdio = gdb_file_data (file);
+  if (stdio->magic != &stdio_file_magic)
+    error ("Internal error: bad magic number");
+  fputs (linebuffer, stdio->file);
+}
+
+static int
+stdio_file_isatty (file)
+     struct gdb_file *file;
+{
+  struct stdio_file *stdio = gdb_file_data (file);
+  if (stdio->magic != &stdio_file_magic)
+    error ("Internal error: bad magic number");
+  return (isatty (fileno (stdio->file)));
+}
+
+/* Like fdopen().  Create a gdb_file from a previously opened FILE. */
+
+struct gdb_file *
+stdio_fileopen (file)
+     FILE *file;
+{
+  return stdio_file_new (file, 0);
+}
+
+
+/* A ``struct gdb_file'' that is compatible with all the legacy
+   code. */
 
+static gdb_file_flush_ftype tui_file_flush;
+extern gdb_file_fputs_ftype tui_file_fputs;
+static gdb_file_isatty_ftype tui_file_isatty;
+static gdb_file_delete_ftype tui_file_delete;
+static struct gdb_file *tui_file_new PARAMS ((void));
+static int tui_file_magic;
+
+static struct gdb_file *
+tui_file_new ()
+{
+  struct tui_stream *tui = xmalloc (sizeof (struct tui_stream));
+  struct gdb_file *file = gdb_file_new ();
+  set_gdb_file_data (file, tui, tui_file_delete);
+  set_gdb_file_flush (file, tui_file_flush);
+  set_gdb_file_fputs (file, tui_file_fputs);
+  set_gdb_file_isatty (file, tui_file_isatty);
+  tui->ts_magic = &tui_file_magic;
+  return file;
+}
+
+static void
+tui_file_delete (file)
+     struct gdb_file *file;
+{
+  struct tui_stream *tmpstream = gdb_file_data (file);
+  if (tmpstream->ts_magic != &tui_file_magic)
+    error ("Internal error: bad magic number");
+  if ((tmpstream->ts_streamtype == astring) &&
+      (tmpstream->ts_strbuf != NULL)) 
+    {
+      free (tmpstream->ts_strbuf);
+    }
+  free (tmpstream);
+}
+
+struct gdb_file *
+tui_fileopen (stream)
+     FILE *stream;
+{
+  struct gdb_file *file = tui_file_new ();
+  struct tui_stream *tmpstream = gdb_file_data (file);
+  tmpstream->ts_streamtype = afile;
+  tmpstream->ts_filestream = stream;
+  tmpstream->ts_strbuf = NULL;
+  tmpstream->ts_buflen = 0;
+  return file;
+}
+
+static int 
+tui_file_isatty (file)
+    struct gdb_file *file;
+{
+  struct tui_stream *stream = gdb_file_data (file);
+  if (stream->ts_magic != &tui_file_magic)
+    error ("Internal error: bad magic number");
   if (stream->ts_streamtype == afile)
      return (isatty(fileno(stream->ts_filestream)));
   else return 0;
@@ -1550,9 +1694,11 @@ GDB_FILE *
 gdb_file_init_astring (n)
     int n;
 {
-  GDB_FILE *tmpstream;
+  struct gdb_file *file = tui_file_new ();
+  struct tui_stream *tmpstream = gdb_file_data (file);
+  if (tmpstream->ts_magic != &tui_file_magic)
+    error ("Internal error: bad magic number");
 
-  tmpstream = xmalloc (sizeof(GDB_FILE));
   tmpstream->ts_streamtype = astring;
   tmpstream->ts_filestream = NULL;
   if (n > 0)
@@ -1564,41 +1710,38 @@ gdb_file_init_astring (n)
      tmpstream->ts_strbuf = NULL;
   tmpstream->ts_buflen = n;
 
-  return tmpstream;
+  return file;
 }
 
 void
 gdb_file_deallocate (streamptr)
     GDB_FILE **streamptr;
 {
-  GDB_FILE *tmpstream;
-
-  tmpstream = *streamptr;
-  if ((tmpstream->ts_streamtype == astring) &&
-      (tmpstream->ts_strbuf != NULL)) 
-    {
-      free (tmpstream->ts_strbuf);
-    }
-
-  free (tmpstream);
+  gdb_file_delete (*streamptr);
   *streamptr = NULL;
 }
  
 char *
-gdb_file_get_strbuf (stream)
-     GDB_FILE *stream;
+gdb_file_get_strbuf (file)
+     GDB_FILE *file;
 {
+  struct tui_stream *stream = gdb_file_data (file);
+  if (stream->ts_magic != &tui_file_magic)
+    error ("Internal error: bad magic number");
   return (stream->ts_strbuf);
 }
 
 /* adjust the length of the buffer by the amount necessary
    to accomodate appending a string of length N to the buffer contents */
 void
-gdb_file_adjust_strbuf (n, stream)
+gdb_file_adjust_strbuf (n, file)
      int n;
-     GDB_FILE *stream;
+     GDB_FILE *file;
 {
+  struct tui_stream *stream = gdb_file_data (file);
   int non_null_chars;
+  if (stream->ts_magic != &tui_file_magic)
+    error ("Internal error: bad magic number");
 
   if (stream->ts_streamtype != astring)
     return;
@@ -1624,28 +1767,24 @@ gdb_fopen (name, mode)
      char * name;
      char * mode;
 {
-  int       gdb_file_size;
-  GDB_FILE *tmp;
-
-  gdb_file_size = sizeof(GDB_FILE);
-  tmp = (GDB_FILE *) xmalloc (gdb_file_size);
-  tmp->ts_streamtype = afile;
-  tmp->ts_filestream = fopen (name, mode);
-  tmp->ts_strbuf = NULL;
-  tmp->ts_buflen = 0;
-  
-  return tmp;
+  FILE *f = fopen (name, mode);
+  if (f == NULL)
+    return NULL;
+  return stdio_file_new (f, 1);
 }
 
-void
-gdb_flush (stream)
-     GDB_FILE *stream;
+static void
+tui_file_flush (file)
+     GDB_FILE *file;
 {
+  struct tui_stream *stream = gdb_file_data (file);
+  if (stream->ts_magic != &tui_file_magic)
+    error ("Internal error: bad magic number");
   if (flush_hook
-      && (stream == gdb_stdout
-	  || stream == gdb_stderr))
+      && (file == gdb_stdout
+	  || file == gdb_stderr))
     {
-      flush_hook (stream);
+      flush_hook (file);
       return;
     }
 
@@ -1656,11 +1795,136 @@ void
 gdb_fclose(streamptr)
      GDB_FILE **streamptr;
 {
-  GDB_FILE *tmpstream;
+  gdb_file_delete (*streamptr);
+  *streamptr = NULL;
+}
+
+
+/* Implement the ``struct gdb_file'' object. */
+
+static gdb_file_isatty_ftype null_file_isatty;
+static gdb_file_fputs_ftype null_file_fputs;
+static gdb_file_flush_ftype null_file_flush;
+static gdb_file_delete_ftype null_file_delete;
+
+struct gdb_file
+{
+  gdb_file_flush_ftype *to_flush;
+  gdb_file_fputs_ftype *to_fputs;
+  gdb_file_delete_ftype *to_delete;
+  gdb_file_isatty_ftype *to_isatty;
+  void *to_data;
+};
+
+struct gdb_file *
+gdb_file_new ()
+{
+  struct gdb_file *file = xmalloc (sizeof (struct gdb_file));
+  set_gdb_file_data (file, NULL, null_file_delete);
+  set_gdb_file_flush (file, null_file_flush);
+  set_gdb_file_fputs (file, null_file_fputs);
+  set_gdb_file_isatty (file, null_file_isatty);
+  return file;
+}
 
-  tmpstream = *streamptr;
-  fclose (tmpstream->ts_filestream);
-  gdb_file_deallocate (streamptr);
+void
+gdb_file_delete (file)
+     struct gdb_file *file;
+{
+  file->to_delete (file);
+  free (file);
+}
+
+static int
+null_file_isatty (file)
+     struct gdb_file *file;
+{
+  return 0;
+}
+
+static void
+null_file_flush (file)
+     struct gdb_file *file;
+{
+  return;
+}
+
+static void
+null_file_fputs (buf, file)
+     const char *buf;
+     struct gdb_file *file;
+{
+  return;
+}
+
+static void
+null_file_delete (file)
+     struct gdb_file *file;
+{
+  return;
+}
+
+void *
+gdb_file_data (file)
+     struct gdb_file *file;
+{
+  return file->to_data;
+}
+
+void
+gdb_flush (file)
+     struct gdb_file *file;
+{
+  file->to_flush (file);
+}
+
+int
+gdb_file_isatty (file)
+     struct gdb_file *file;
+{
+  return file->to_isatty (file);
+}
+
+void
+fputs_unfiltered (buf, file)
+     const char *buf;
+     struct gdb_file *file;
+{
+  file->to_fputs (buf, file);
+}
+
+void
+set_gdb_file_flush (file, flush)
+     struct gdb_file *file;
+     gdb_file_flush_ftype *flush;
+{
+  file->to_flush = flush;
+}
+
+void
+set_gdb_file_isatty (file, isatty)
+     struct gdb_file *file;
+     gdb_file_isatty_ftype *isatty;
+{
+  file->to_isatty = isatty;
+}
+
+void
+set_gdb_file_fputs (file, fputs)
+     struct gdb_file *file;
+     gdb_file_fputs_ftype *fputs;
+{
+  file->to_fputs = fputs;
+}
+
+void
+set_gdb_file_data (file, data, delete)
+     struct gdb_file *file;
+     void *data;
+     gdb_file_delete_ftype *delete;
+{
+  file->to_data = data;
+  file->to_delete = delete;
 }
 
 /* Like fputs but if FILTER is true, pause after every screenful.
diff --git a/gdb/valops.c b/gdb/valops.c
index 79f5b51..74dae8d 100644
--- a/gdb/valops.c
+++ b/gdb/valops.c
@@ -575,8 +575,7 @@ value_assign (toval, fromval)
      convert FROMVAL's contents now, with result in `raw_buffer',
      and set USE_BUFFER to the number of bytes to write.  */
 
-  if (VALUE_REGNO (toval) >= 0
-      && REGISTER_CONVERTIBLE (VALUE_REGNO (toval)))
+  if (VALUE_REGNO (toval) >= 0)
     {
       int regno = VALUE_REGNO (toval);
       if (REGISTER_CONVERTIBLE (regno))
@@ -1096,11 +1095,11 @@ value_push (sp, arg)
 #endif
 
 CORE_ADDR
-default_push_arguments (nargs, args, struct_return, sp, struct_addr)
+default_push_arguments (nargs, args, sp, struct_return, struct_addr)
      int nargs;
      value_ptr *args;
-     int struct_return;
      CORE_ADDR sp;
+     int struct_return;
      CORE_ADDR struct_addr;
 {
   /* ASSERT ( !struct_return); */
diff --git a/gdb/value.h b/gdb/value.h
index 1ea48d2..35db8be 100644
--- a/gdb/value.h
+++ b/gdb/value.h
@@ -567,8 +567,8 @@ extern value_ptr find_function_in_inferior PARAMS ((char *));
 extern value_ptr value_allocate_space_in_inferior PARAMS ((int));
 
 extern CORE_ADDR default_push_arguments PARAMS ((int nargs, value_ptr *args,
-						 int struct_return,
 						 CORE_ADDR sp,
+						 int struct_return,
 						 CORE_ADDR struct_addr));
 
 #endif	/* !defined (VALUE_H) */
diff --git a/gdb/values.c b/gdb/values.c
index c7c4d80..68e0444 100644
--- a/gdb/values.c
+++ b/gdb/values.c
@@ -1498,15 +1498,15 @@ value_being_returned (valtype, retbuf, struct_return)
   register value_ptr val;
   CORE_ADDR addr;
 
-#if defined (EXTRACT_STRUCT_VALUE_ADDRESS)
   /* If this is not defined, just use EXTRACT_RETURN_VALUE instead.  */
-  if (struct_return) {
-    addr = EXTRACT_STRUCT_VALUE_ADDRESS (retbuf);
-    if (!addr)
-      error ("Function return value unknown");
-    return value_at (valtype, addr, NULL);
-  }
-#endif
+  if (EXTRACT_STRUCT_VALUE_ADDRESS_P)
+    if (struct_return)
+      {
+	addr = EXTRACT_STRUCT_VALUE_ADDRESS (retbuf);
+	if (!addr)
+	  error ("Function return value unknown");
+	return value_at (valtype, addr, NULL);
+      }
 
   val = allocate_value (valtype);
   CHECK_TYPEDEF (valtype);