X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fscm-valprint.c;h=cc3319ab6fbd0c0b30894550feb7392b06f8f8bc;hb=e17a4113357102b55cfa5b80557d590a46a43300;hp=1c9b8353421f98406767e4a041aa551a1c08edd3;hpb=fba45db2faf619e71856ee38ec63949c0ef6903e;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/scm-valprint.c b/gdb/scm-valprint.c
index 1c9b835342..cc3319ab6f 100644
--- a/gdb/scm-valprint.c
+++ b/gdb/scm-valprint.c
@@ -1,11 +1,13 @@
 /* Scheme/Guile language support routines for GDB, the GNU debugger.
-   Copyright 1995, 2000 Free Software Foundation, Inc.
+
+   Copyright (C) 1995, 1996, 1998, 1999, 2000, 2001, 2005, 2007, 2008, 2009
+   Free Software Foundation, Inc.
 
    This file is part of GDB.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -14,9 +16,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "defs.h"
 #include "symtab.h"
@@ -28,27 +28,64 @@
 #include "scm-lang.h"
 #include "valprint.h"
 #include "gdbcore.h"
+#include "c-lang.h"
+#include "infcall.h"
+#include "objfiles.h"
 
-/* FIXME: Should be in a header file that we import. */
-extern int c_val_print (struct type *, char *, int, CORE_ADDR,
-			struct ui_file *, int, int, int,
-			enum val_prettyprint);
-
-static void scm_ipruk (char *, LONGEST, struct ui_file *);
-static void scm_scmlist_print (LONGEST, struct ui_file *, int, int,
-			       int, enum val_prettyprint);
-static int scm_inferior_print (LONGEST, struct ui_file *, int, int,
-			       int, enum val_prettyprint);
+static void scm_ipruk (char *, struct type *, LONGEST, struct ui_file *);
+static void scm_scmval_print (struct type *, LONGEST, struct ui_file *,
+			      int, const struct value_print_options *);
+static void scm_scmlist_print (struct type *, LONGEST, struct ui_file *,
+			       int, const struct value_print_options *);
+static int scm_inferior_print (struct type *, LONGEST, struct ui_file *,
+			       int, const struct value_print_options *);
 
 /* Prints the SCM value VALUE by invoking the inferior, if appropraite.
-   Returns >= 0 on succes;  retunr -1 if the inferior cannot/should not
+   Returns >= 0 on success;  return -1 if the inferior cannot/should not
    print VALUE. */
 
 static int
-scm_inferior_print (LONGEST value, struct ui_file *stream, int format,
-		    int deref_ref, int recurse, enum val_prettyprint pretty)
+scm_inferior_print (struct type *type, LONGEST value, struct ui_file *stream,
+		    int recurse, const struct value_print_options *options)
 {
-  return -1;
+  struct value *func, *arg, *result;
+  struct symbol *gdb_output_sym, *gdb_output_len_sym;
+  char *output;
+  int ret, output_len;
+
+  func = find_function_in_inferior ("gdb_print", NULL);
+  arg = value_from_longest (type, value);
+
+  result = call_function_by_hand (func, 1, &arg);
+  ret = (int) value_as_long (result);
+  if (ret == 0)
+    {
+      /* XXX: Should we cache these symbols?  */
+      gdb_output_sym =
+	lookup_symbol_global ("gdb_output", NULL, NULL, VAR_DOMAIN);
+      gdb_output_len_sym =
+	lookup_symbol_global ("gdb_output_length", NULL, NULL, VAR_DOMAIN);
+
+      if ((gdb_output_sym == NULL) || (gdb_output_len_sym == NULL))
+	ret = -1;
+      else
+	{
+	  struct value *remote_buffer;
+
+	  read_memory (SYMBOL_VALUE_ADDRESS (gdb_output_len_sym),
+		       (char *) &output_len, sizeof (output_len));
+
+	  output = (char *) alloca (output_len);
+	  remote_buffer = value_at (type,
+				    SYMBOL_VALUE_ADDRESS (gdb_output_sym));
+	  read_memory (value_as_address (remote_buffer),
+		       output, output_len);
+
+	  ui_file_write (stream, output, output_len);
+	}
+    }
+
+  return ret;
 }
 
 /* {Names of immediate symbols}
@@ -91,17 +128,19 @@ static char *scm_isymnames[] =
 };
 
 static void
-scm_scmlist_print (LONGEST svalue, struct ui_file *stream, int format,
-		   int deref_ref, int recurse, enum val_prettyprint pretty)
+scm_scmlist_print (struct type *type, LONGEST svalue,
+		   struct ui_file *stream, int recurse,
+		   const struct value_print_options *options)
 {
-  unsigned int more = print_max;
+#define SCM_SIZE (TYPE_LENGTH (type))
+#define SCM_BYTE_ORDER (gdbarch_byte_order (get_type_arch (type)))
+  unsigned int more = options->print_max;
   if (recurse > 6)
     {
       fputs_filtered ("...", stream);
       return;
     }
-  scm_scmval_print (SCM_CAR (svalue), stream, format,
-		    deref_ref, recurse + 1, pretty);
+  scm_scmval_print (type, SCM_CAR (svalue), stream, recurse + 1, options);
   svalue = SCM_CDR (svalue);
   for (; SCM_NIMP (svalue); svalue = SCM_CDR (svalue))
     {
@@ -113,44 +152,56 @@ scm_scmlist_print (LONGEST svalue, struct ui_file *stream, int format,
 	  fputs_filtered ("...", stream);
 	  return;
 	}
-      scm_scmval_print (SCM_CAR (svalue), stream, format,
-			deref_ref, recurse + 1, pretty);
+      scm_scmval_print (type, SCM_CAR (svalue), stream, recurse + 1, options);
     }
   if (SCM_NNULLP (svalue))
     {
       fputs_filtered (" . ", stream);
-      scm_scmval_print (svalue, stream, format,
-			deref_ref, recurse + 1, pretty);
+      scm_scmval_print (type, svalue, stream, recurse + 1, options);
     }
+#undef SCM_BYTE_ORDER
+#undef SCM_SIZE
 }
 
 static void
-scm_ipruk (char *hdr, LONGEST ptr, struct ui_file *stream)
+scm_ipruk (char *hdr, struct type *type, LONGEST ptr,
+	   struct ui_file *stream)
 {
+#define SCM_SIZE (TYPE_LENGTH (type))
+#define SCM_BYTE_ORDER (gdbarch_byte_order (get_type_arch (type)))
   fprintf_filtered (stream, "#<unknown-%s", hdr);
-#define SCM_SIZE TYPE_LENGTH (builtin_type_scm)
   if (SCM_CELLP (ptr))
     fprintf_filtered (stream, " (0x%lx . 0x%lx) @",
 		      (long) SCM_CAR (ptr), (long) SCM_CDR (ptr));
-  fprintf_filtered (stream, " 0x%s>", paddr_nz (ptr));
+  fprintf_filtered (stream, " 0x%s>", phex_nz (ptr, SCM_SIZE));
+#undef SCM_BYTE_ORDER
+#undef SCM_SIZE
 }
 
-void
-scm_scmval_print (LONGEST svalue, struct ui_file *stream, int format,
-		  int deref_ref, int recurse, enum val_prettyprint pretty)
+static void
+scm_scmval_print (struct type *type, LONGEST svalue,
+		  struct ui_file *stream, int recurse,
+		  const struct value_print_options *options)
 {
+  struct gdbarch *gdbarch = get_type_arch (type);
+
+#define SCM_SIZE (TYPE_LENGTH (type))
+#define SCM_BYTE_ORDER (gdbarch_byte_order (gdbarch))
 taloop:
   switch (7 & (int) svalue)
     {
     case 2:
     case 6:
-      print_longest (stream, format ? format : 'd', 1, svalue >> 2);
+      print_longest (stream,
+		     options->format ? options->format : 'd',
+		     1, svalue >> 2);
       break;
     case 4:
       if (SCM_ICHRP (svalue))
 	{
 	  svalue = SCM_ICHR (svalue);
-	  scm_printchar (svalue, stream);
+	  scm_printchar (svalue, builtin_type (gdbarch)->builtin_char,
+			 stream);
 	  break;
 	}
       else if (SCM_IFLAGP (svalue)
@@ -177,7 +228,7 @@ taloop:
       goto taloop;
     default:
     idef:
-      scm_ipruk ("immediate", svalue, stream);
+      scm_ipruk ("immediate", type, svalue, stream);
       break;
     case 0:
 
@@ -199,20 +250,19 @@ taloop:
 			     (sizet) LENGTH (name),
 			   port);
 #endif
-	      fprintf_filtered (stream, " #X%s>", paddr_nz (svalue));
+	      fprintf_filtered (stream, " #X%s>", phex_nz (svalue, SCM_SIZE));
 	      break;
 	    }
 	case scm_tcs_cons_imcar:
 	case scm_tcs_cons_nimcar:
 	  fputs_filtered ("(", stream);
-	  scm_scmlist_print (svalue, stream, format,
-			     deref_ref, recurse + 1, pretty);
+	  scm_scmlist_print (type, svalue, stream, recurse + 1, options);
 	  fputs_filtered (")", stream);
 	  break;
 	case scm_tcs_closures:
 	  fputs_filtered ("#<CLOSURE ", stream);
-	  scm_scmlist_print (SCM_CODE (svalue), stream, format,
-			     deref_ref, recurse + 1, pretty);
+	  scm_scmlist_print (type, SCM_CODE (svalue), stream,
+			     recurse + 1, options);
 	  fputs_filtered (">", stream);
 	  break;
 	case scm_tc7_string:
@@ -222,10 +272,10 @@ taloop:
 	    int i;
 	    int done = 0;
 	    int buf_size;
-	    char buffer[64];
-	    int truncate = print_max && len > (int) print_max;
+	    gdb_byte buffer[64];
+	    int truncate = options->print_max && len > (int) options->print_max;
 	    if (truncate)
-	      len = print_max;
+	      len = options->print_max;
 	    fputs_filtered ("\"", stream);
 	    for (; done < len; done += buf_size)
 	      {
@@ -250,8 +300,8 @@ taloop:
 	  {
 	    int len = SCM_LENGTH (svalue);
 
-	    char *str = (char *) alloca (len);
-	    read_memory (SCM_CDR (svalue), str, len + 1);
+	    char *str = alloca (len);
+	    read_memory (SCM_CDR (svalue), (gdb_byte *) str, len + 1);
 	    /* Should handle weird characters FIXME */
 	    str[len] = '\0';
 	    fputs_filtered (str, stream);
@@ -262,13 +312,14 @@ taloop:
 	    int len = SCM_LENGTH (svalue);
 	    int i;
 	    LONGEST elements = SCM_CDR (svalue);
+	    LONGEST val;
 	    fputs_filtered ("#(", stream);
 	    for (i = 0; i < len; ++i)
 	      {
 		if (i > 0)
 		  fputs_filtered (" ", stream);
-		scm_scmval_print (scm_get_field (elements, i), stream, format,
-				  deref_ref, recurse + 1, pretty);
+		val = scm_get_field (elements, i, SCM_SIZE, SCM_BYTE_ORDER);
+		scm_scmval_print (type, val, stream, recurse + 1, options);
 	      }
 	    fputs_filtered (")", stream);
 	  }
@@ -289,8 +340,9 @@ taloop:
 	      {
 		result
 		  = scm_apply (hook,
-			scm_listify (exp, port, (writing ? BOOL_T : BOOL_F),
-				     SCM_UNDEFINED),
+			       scm_listify (exp, port, 
+					    (writing ? BOOL_T : BOOL_F),
+					    SCM_UNDEFINED),
 			       EOL);
 		if (result == BOOL_F)
 		  goto punk;
@@ -337,7 +389,9 @@ taloop:
 	  break;
 	case tc7_port:
 	  i = PTOBNUM (exp);
-	  if (i < scm_numptob && scm_ptobs[i].print && (scm_ptobs[i].print) (exp, port, writing))
+	  if (i < scm_numptob 
+	      && scm_ptobs[i].print 
+	      && (scm_ptobs[i].print) (exp, port, writing))
 	    break;
 	  goto punk;
 	case tc7_smob:
@@ -351,28 +405,32 @@ taloop:
 #if 0
 	punk:
 #endif
-	  scm_ipruk ("type", svalue, stream);
+	  scm_ipruk ("type", type, svalue, stream);
 	}
       break;
     }
+#undef SCM_BYTE_ORDER
+#undef SCM_SIZE
 }
 
 int
-scm_val_print (struct type *type, char *valaddr, int embedded_offset,
-	       CORE_ADDR address, struct ui_file *stream, int format,
-	       int deref_ref, int recurse, enum val_prettyprint pretty)
+scm_val_print (struct type *type, const gdb_byte *valaddr,
+	       int embedded_offset, CORE_ADDR address,
+	       struct ui_file *stream, int recurse,
+	       const struct value_print_options *options)
 {
   if (is_scmvalue_type (type))
     {
-      LONGEST svalue = extract_signed_integer (valaddr, TYPE_LENGTH (type));
-      if (scm_inferior_print (svalue, stream, format,
-			      deref_ref, recurse, pretty) >= 0)
+      enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type));
+      LONGEST svalue
+	= extract_signed_integer (valaddr, TYPE_LENGTH (type), byte_order);
+
+      if (scm_inferior_print (type, svalue, stream, recurse, options) >= 0)
 	{
 	}
       else
 	{
-	  scm_scmval_print (svalue, stream, format,
-			    deref_ref, recurse, pretty);
+	  scm_scmval_print (type, svalue, stream, recurse, options);
 	}
 
       gdb_flush (stream);
@@ -380,15 +438,15 @@ scm_val_print (struct type *type, char *valaddr, int embedded_offset,
     }
   else
     {
-      return c_val_print (type, valaddr, 0, address, stream, format,
-			  deref_ref, recurse, pretty);
+      return c_val_print (type, valaddr, 0, address, stream, recurse, options);
     }
 }
 
 int
-scm_value_print (value_ptr val, struct ui_file *stream, int format,
-		 enum val_prettyprint pretty)
+scm_value_print (struct value *val, struct ui_file *stream,
+		 const struct value_print_options *options)
 {
-  return (val_print (VALUE_TYPE (val), VALUE_CONTENTS (val), 0,
-		     VALUE_ADDRESS (val), stream, format, 1, 0, pretty));
+  struct value_print_options opts = *options;
+  opts.deref_ref = 1;
+  return (common_val_print (val, stream, 0, &opts, current_language));
 }