* disasm.h (gdb_disassembly): Add GDBARCH parameter.

	(gdb_print_insn): Likewise.
	* disasm.c (dump_insns): Add GDBARCH parameter.  Use it instead
	of current_gdbarch.
	(do_mixed_source_and_assembly): Add GDBARCH parameter.  Pass to
	dump_insns.
	(do_assembly_only): Likewise.
	(gdb_disassembly): Add GDBARCH parameter.  Use it instead of
	current_gdbarch.  Pass to subroutines.
	(gdb_print_insn): Add GDBARCH parameter.  Use it instead of
	current_gdbarch.

	* stack.c (struct gdb_disassembly_stub_args): Add GDBARCH member.
	(gdb_disassembly_stub): Pass architecture to gdb_disassembly.
	(do_gdb_disassembly): Add GDBARCH argument.  Store into args.
	(print_frame_info): Pass architecture to do_gdb_disassembly.

	* printcmd.c (print_formatted): Pass architecture to gdb_print_insn.

	* mi/mi-cmd-disas.c: Include "arch-utils.h"
	(mi_cmd_disassemble): Pass architecture to gdb_disassembly.

	* cli/cli-cmds.c: Include "arch-utils.h".
	(print_disassembly): Add GDBARCH parameter.  Pass to gdb_disassembly
	and tui_show_assembly.
	(disassemble_current_function): Pass architecture to
	tui_get_low_disassembly_address and print_disassembly.
	(disassemble_command): Pass architecture to
	tui_get_low_disassembly_address and print_disassembly.

	* tui/tui.c (tui_show_assembly): Add GDBARCH parameter.  Pass to
	tui_update_source_windows_with_addr.

	* tui/tui-data.h (struct tui_locator_element): Add GDBARCH member.
	(struct tui_source_info): Likewise.
	* tui/tui-data.c (tui_clear_win_detail): Clear source_info.gdbarch.

	* tui/tui-disasm.c (tui_disassemble): Add GDBARCH parameter.
	Pass to gdb_print_insn.
	(tui_find_disassembly_address): Add GDBARCH parameter.  Pass to
	tui_disassemble.
	(tui_set_disassem_content): Add GDBARCH parameter.  Install into
	source_info.gdbarch.  Pass to tui_disassemble.
	(tui_show_disassem): Add GDBARCH parameter.  Pass to
	tui_update_source_window.
	(tui_show_disassem_and_update_source): Add GDBARCH parameter.  Pass to
	tui_show_disassem and tui_update_source_window.

	(tui_get_begin_asm_address): Return locator architecture in addition
	to locator PC value.

	(tui_get_low_disassembly_address): Add GDBARCH parameter.   Pass to
	tui_get_low_disassembly_address.

	(tui_vertical_disassem_scroll): Pass architecture to subroutines.

	* tui/tui-disasm.h (tui_set_disassem_content): Add GDBARCH parameter.
	(tui_show_disassem): Likewise.
	(tui_show_disassem_and_update_source): Likewise.
	(tui_get_begin_asm_address): Return architecture and PC value.

	* tui/tui.h (tui_get_low_disassembly_address): Add GDBARCH parameter.
	(tui_show_assembly): Add GDBARCH parameter.

	* tui/tui-layout.c (extract_display_start_addr): Return current window
	architecture in addition to current PC value.

	(tui_set_layout): Update calls to tui_get_low_disassembly_address and
	extract_display_start_addr.  Pass architecture to
	tui_update_source_windows_with_addr.

	* tui/tui-source.c: Include "objfiles.h".
	(tui_set_source_content): Initialize window architecture.
	(tui_show_symtab_source): Add GDBARCH parameter.  Pass to
	tui_update_source_window_as_is

	* tui/tui-source.h (tui_show_symtab_source): Add GDBARCH parameter.

	* tui/tui-stack.c (tui_set_locator_info): Add GDBARCH parameter.
	Install locator architecture.
	(tui_set_locator_filename): Update call.
	(tui_show_frame_info): Pass architecture to tui_set_locator_info
	and subroutines.

	* tui/tui-win.c (make_visible_with_new_height): Pass architecture
	to tui_update_source_window.

	* tui/tui-winsource.c: Include "objfiles.h".
	(tui_display_main): Update call to tui_get_begin_asm_address.
	Pass architecture to tui_update_source_windows_with_addr.
	(tui_update_source_window): Add GDBARCH parameter.  Pass to
	tui_update_source_window_as_is.
	(tui_update_source_window_as_is): Add GDBARCH parameter.
	Pass to tui_set_disassem_content.
	(tui_update_source_windows_with_addr): Add GDBARCH parameter.
	Pass to subroutines.
	(tui_update_source_windows_with_line): Pass objfile architecture
	to subroutines.
	(tui_horizontal_source_scroll): Pass architecture to
	tui_update_source_window_as_is.

	* tui/tui-winsource.h (tui_update_source_window): Add GDBARCH
	parameter.
	(tui_update_source_window_as_is): Likewise.
	(tui_update_source_windows_with_addr): Likewise.

13 files changed, 113 insertions, 69 deletions

diff --git a/gdb/tui/tui-data.c b/gdb/tui/tui-data.c
index 655a5d0..46a218a 100644
--- a/gdb/tui/tui-data.c
+++ b/gdb/tui/tui-data.c
@@ -211,6 +211,7 @@ tui_clear_win_detail (struct tui_win_info *win_info)
 	{
 	case SRC_WIN:
 	case DISASSEM_WIN:
+	  win_info->detail.source_info.gdbarch = NULL;
 	  win_info->detail.source_info.start_line_or_addr.loa = LOA_ADDRESS;
 	  win_info->detail.source_info.start_line_or_addr.u.addr = 0;
 	  win_info->detail.source_info.horizontal_offset = 0;
@@ -545,6 +546,7 @@ init_win_info (struct tui_win_info *win_info)
       win_info->detail.source_info.execution_info = (struct tui_gen_win_info *) NULL;
       win_info->detail.source_info.has_locator = FALSE;
       win_info->detail.source_info.horizontal_offset = 0;
+      win_info->detail.source_info.gdbarch = NULL;
       win_info->detail.source_info.start_line_or_addr.loa = LOA_ADDRESS;
       win_info->detail.source_info.start_line_or_addr.u.addr = 0;
       win_info->detail.source_info.filename = 0;
diff --git a/gdb/tui/tui-data.h b/gdb/tui/tui-data.h
index 1e475c3..ae5e09a 100644
--- a/gdb/tui/tui-data.h
+++ b/gdb/tui/tui-data.h
@@ -208,6 +208,8 @@ struct tui_locator_element
   char proc_name[MAX_LOCATOR_ELEMENT_LEN];
   int line_no;
   CORE_ADDR addr;
+  /* Architecture associated with code at this location.  */
+  struct gdbarch *gdbarch;
 };
 
 /* Flags to tell what kind of breakpoint is at current line.  */
@@ -270,6 +272,8 @@ struct tui_source_info
   int horizontal_offset;	/* Used for horizontal scroll.  */
   struct tui_line_or_address start_line_or_addr;
   char *filename;
+  /* Architecture associated with code at this location.  */
+  struct gdbarch *gdbarch;
 };
 
 
diff --git a/gdb/tui/tui-disasm.c b/gdb/tui/tui-disasm.c
index 14f0496..7571a9b 100644
--- a/gdb/tui/tui-disasm.c
+++ b/gdb/tui/tui-disasm.c
@@ -50,7 +50,7 @@ struct tui_asm_line
    Disassemble count lines starting at pc.
    Return address of the count'th instruction after pc.  */
 static CORE_ADDR
-tui_disassemble (struct tui_asm_line *asm_lines, 
+tui_disassemble (struct gdbarch *gdbarch, struct tui_asm_line *asm_lines,
 		 CORE_ADDR pc, int count)
 {
   struct ui_file *gdb_dis_out;
@@ -72,7 +72,7 @@ tui_disassemble (struct tui_asm_line *asm_lines,
 
       ui_file_rewind (gdb_dis_out);
 
-      pc = pc + gdb_print_insn (pc, gdb_dis_out, NULL);
+      pc = pc + gdb_print_insn (gdbarch, pc, gdb_dis_out, NULL);
 
       asm_lines->insn = xstrdup (tui_file_get_strbuf (gdb_dis_out));
 
@@ -87,7 +87,7 @@ tui_disassemble (struct tui_asm_line *asm_lines,
    or below the PC.  Variable sized instructions are taken into
    account by the algorithm.  */
 static CORE_ADDR
-tui_find_disassembly_address (CORE_ADDR pc, int from)
+tui_find_disassembly_address (struct gdbarch *gdbarch, CORE_ADDR pc, int from)
 {
   CORE_ADDR new_low;
   int max_lines;
@@ -105,7 +105,7 @@ tui_find_disassembly_address (CORE_ADDR pc, int from)
   new_low = pc;
   if (from > 0)
     {
-      tui_disassemble (asm_lines, pc, max_lines);
+      tui_disassemble (gdbarch, asm_lines, pc, max_lines);
       new_low = asm_lines[max_lines - 1].addr;
     }
   else
@@ -127,7 +127,7 @@ tui_find_disassembly_address (CORE_ADDR pc, int from)
          else
             new_low += 1 * max_lines;
 
-         tui_disassemble (asm_lines, new_low, max_lines);
+         tui_disassemble (gdbarch, asm_lines, new_low, max_lines);
          last_addr = asm_lines[pos].addr;
       } while (last_addr > pc && msymbol);
 
@@ -144,7 +144,8 @@ tui_find_disassembly_address (CORE_ADDR pc, int from)
             if (pos >= max_lines)
               pos = 0;
 
-            next_addr = tui_disassemble (&asm_lines[pos], last_addr, 1);
+            next_addr = tui_disassemble (gdbarch, &asm_lines[pos],
+					 last_addr, 1);
 
             /* If there are some problems while disassembling exit.  */
             if (next_addr <= last_addr)
@@ -166,7 +167,7 @@ tui_find_disassembly_address (CORE_ADDR pc, int from)
 
 /* Function to set the disassembly window's content.  */
 enum tui_status
-tui_set_disassem_content (CORE_ADDR pc)
+tui_set_disassem_content (struct gdbarch *gdbarch, CORE_ADDR pc)
 {
   enum tui_status ret = TUI_FAILURE;
   int i;
@@ -187,6 +188,7 @@ tui_set_disassem_content (CORE_ADDR pc)
   if (ret != TUI_SUCCESS)
     return ret;
 
+  TUI_DISASM_WIN->detail.source_info.gdbarch = gdbarch;
   TUI_DISASM_WIN->detail.source_info.start_line_or_addr.loa = LOA_ADDRESS;
   TUI_DISASM_WIN->detail.source_info.start_line_or_addr.u.addr = pc;
   cur_pc = (CORE_ADDR)
@@ -202,7 +204,7 @@ tui_set_disassem_content (CORE_ADDR pc)
 
   line_width = TUI_DISASM_WIN->generic.width - 1;
 
-  tui_disassemble (asm_lines, pc, max_lines);
+  tui_disassemble (gdbarch, asm_lines, pc, max_lines);
 
   /* See what is the maximum length of an address and of a line.  */
   addr_size = 0;
@@ -269,7 +271,7 @@ tui_set_disassem_content (CORE_ADDR pc)
 
 /* Function to display the disassembly window with disassembled code.  */
 void
-tui_show_disassem (CORE_ADDR start_addr)
+tui_show_disassem (struct gdbarch *gdbarch, CORE_ADDR start_addr)
 {
   struct symtab *s = find_pc_symtab (start_addr);
   struct tui_win_info *win_with_focus = tui_win_with_focus ();
@@ -278,7 +280,7 @@ tui_show_disassem (CORE_ADDR start_addr)
   val.loa = LOA_ADDRESS;
   val.u.addr = start_addr;
   tui_add_win_to_layout (DISASSEM_WIN);
-  tui_update_source_window (TUI_DISASM_WIN, s, val, FALSE);
+  tui_update_source_window (TUI_DISASM_WIN, gdbarch, s, val, FALSE);
 
   /* If the focus was in the src win, put it in the asm win, if the
      source view isn't split.  */
@@ -292,11 +294,12 @@ tui_show_disassem (CORE_ADDR start_addr)
 
 /* Function to display the disassembly window.  */
 void
-tui_show_disassem_and_update_source (CORE_ADDR start_addr)
+tui_show_disassem_and_update_source (struct gdbarch *gdbarch,
+				     CORE_ADDR start_addr)
 {
   struct symtab_and_line sal;
 
-  tui_show_disassem (start_addr);
+  tui_show_disassem (gdbarch, start_addr);
   if (tui_current_layout () == SRC_DISASSEM_COMMAND)
     {
       struct tui_line_or_address val;
@@ -307,7 +310,7 @@ tui_show_disassem_and_update_source (CORE_ADDR start_addr)
       sal = find_pc_line (start_addr, 0);
       val.loa = LOA_LINE;
       val.u.line_no = sal.line;
-      tui_update_source_window (TUI_SRC_WIN, sal.symtab, val, TRUE);
+      tui_update_source_window (TUI_SRC_WIN, gdbarch, sal.symtab, val, TRUE);
       if (sal.symtab)
 	{
 	  set_current_source_symtab_and_line (&sal);
@@ -320,11 +323,12 @@ tui_show_disassem_and_update_source (CORE_ADDR start_addr)
   return;
 }
 
-CORE_ADDR
-tui_get_begin_asm_address (void)
+void
+tui_get_begin_asm_address (struct gdbarch **gdbarch_p, CORE_ADDR *addr_p)
 {
   struct tui_gen_win_info *locator;
   struct tui_locator_element *element;
+  struct gdbarch *gdbarch = NULL;
   CORE_ADDR addr;
 
   locator = tui_locator_win_info_ptr ();
@@ -347,24 +351,28 @@ tui_get_begin_asm_address (void)
         addr = 0;
     }
   else				/* The target is executing.  */
-    addr = element->addr;
+    {
+      gdbarch = element->gdbarch;
+      addr = element->addr;
+    }
 
-  return addr;
+  *gdbarch_p = gdbarch;
+  *addr_p = addr;
 }
 
 /* Determine what the low address will be to display in the TUI's
    disassembly window.  This may or may not be the same as the low
    address input.  */
 CORE_ADDR
-tui_get_low_disassembly_address (CORE_ADDR low, 
-				 CORE_ADDR pc)
+tui_get_low_disassembly_address (struct gdbarch *gdbarch,
+				 CORE_ADDR low, CORE_ADDR pc)
 {
   int pos;
 
   /* Determine where to start the disassembly so that the pc is about
      in the middle of the viewport.  */
   pos = tui_default_win_viewport_height (DISASSEM_WIN, DISASSEM_COMMAND) / 2;
-  pc = tui_find_disassembly_address (pc, -pos);
+  pc = tui_find_disassembly_address (gdbarch, pc, -pos);
 
   if (pc < low)
     pc = low;
@@ -378,6 +386,7 @@ tui_vertical_disassem_scroll (enum tui_scroll_direction scroll_direction,
 {
   if (TUI_DISASM_WIN->generic.content != NULL)
     {
+      struct gdbarch *gdbarch = TUI_DISASM_WIN->detail.source_info.gdbarch;
       CORE_ADDR pc;
       tui_win_content content;
       struct tui_line_or_address val;
@@ -390,7 +399,7 @@ tui_vertical_disassem_scroll (enum tui_scroll_direction scroll_direction,
       dir = (scroll_direction == FORWARD_SCROLL) ? num_to_scroll : -num_to_scroll;
 
       val.loa = LOA_ADDRESS;
-      val.u.addr = tui_find_disassembly_address (pc, dir);
-      tui_update_source_window_as_is (TUI_DISASM_WIN, NULL, val, FALSE);
+      val.u.addr = tui_find_disassembly_address (gdbarch, pc, dir);
+      tui_update_source_window_as_is (TUI_DISASM_WIN, gdbarch, NULL, val, FALSE);
     }
 }
diff --git a/gdb/tui/tui-disasm.h b/gdb/tui/tui-disasm.h
index 0f06511..64aafed 100644
--- a/gdb/tui/tui-disasm.h
+++ b/gdb/tui/tui-disasm.h
@@ -26,11 +26,11 @@
 #include "tui/tui.h"		/* For enum tui_status.  */
 #include "tui/tui-data.h"	/* For enum tui_scroll_direction.  */
 
-extern enum tui_status tui_set_disassem_content (CORE_ADDR);
-extern void tui_show_disassem (CORE_ADDR);
-extern void tui_show_disassem_and_update_source (CORE_ADDR);
+extern enum tui_status tui_set_disassem_content (struct gdbarch *, CORE_ADDR);
+extern void tui_show_disassem (struct gdbarch *, CORE_ADDR);
+extern void tui_show_disassem_and_update_source (struct gdbarch *, CORE_ADDR);
 extern void tui_vertical_disassem_scroll (enum tui_scroll_direction, 
 					  int);
-extern CORE_ADDR tui_get_begin_asm_address (void);
+extern void tui_get_begin_asm_address (struct gdbarch **, CORE_ADDR *);
 
 #endif
diff --git a/gdb/tui/tui-layout.c b/gdb/tui/tui-layout.c
index 09fd0c3..75edde4 100644
--- a/gdb/tui/tui-layout.c
+++ b/gdb/tui/tui-layout.c
@@ -67,7 +67,7 @@ static enum tui_layout_type prev_layout (void);
 static void tui_layout_command (char *, int);
 static void tui_toggle_layout_command (char *, int);
 static void tui_toggle_split_layout_command (char *, int);
-static CORE_ADDR extract_display_start_addr (void);
+static void extract_display_start_addr (struct gdbarch **, CORE_ADDR *);
 static void tui_handle_xdb_layout (struct tui_layout_def *);
 
 
@@ -143,10 +143,12 @@ tui_set_layout (enum tui_layout_type layout_type,
       enum tui_layout_type cur_layout = tui_current_layout (),
 	new_layout = UNDEFINED_LAYOUT;
       int regs_populate = FALSE;
-      CORE_ADDR addr = extract_display_start_addr ();
+      struct gdbarch *gdbarch;
+      CORE_ADDR addr;
       struct tui_win_info *win_with_focus = tui_win_with_focus ();
       struct tui_layout_def *layout_def = tui_layout_def ();
 
+      extract_display_start_addr (&gdbarch, &addr);
 
       if (layout_type == UNDEFINED_LAYOUT
 	  && regs_display_type != TUI_UNDEFINED_REGS)
@@ -192,7 +194,7 @@ tui_set_layout (enum tui_layout_type layout_type,
 		         2. if target was compiled without -g
 		         We still want to show the assembly though!  */
 
-		      addr = tui_get_begin_asm_address ();
+		      tui_get_begin_asm_address (&gdbarch, &addr);
 		      tui_set_win_focus_to (TUI_DISASM_WIN);
 		      layout_def->display_mode = DISASSEM_WIN;
 		      layout_def->split = FALSE;
@@ -206,7 +208,7 @@ tui_set_layout (enum tui_layout_type layout_type,
 		         2. if target was compiled without -g
 		         We still want to show the assembly though!  */
 
-		      addr = tui_get_begin_asm_address ();
+		      tui_get_begin_asm_address (&gdbarch, &addr);
 		      if (win_with_focus == TUI_SRC_WIN)
 			tui_set_win_focus_to (TUI_SRC_WIN);
 		      else
@@ -230,7 +232,7 @@ tui_set_layout (enum tui_layout_type layout_type,
 		         2. if target was compiled without -g
 		         We still want to show the assembly though!  */
 
-		      addr = tui_get_begin_asm_address ();
+		      tui_get_begin_asm_address (&gdbarch, &addr);
 		      if (win_with_focus != TUI_DATA_WIN)
 			tui_set_win_focus_to (TUI_DISASM_WIN);
 		      else
@@ -250,7 +252,7 @@ tui_set_layout (enum tui_layout_type layout_type,
 		      || new_layout == DISASSEM_DATA_COMMAND))
 		tui_display_all_data ();
 
-	      tui_update_source_windows_with_addr (addr);
+	      tui_update_source_windows_with_addr (gdbarch, addr);
 	    }
 	  if (regs_populate)
 	    {
@@ -516,10 +518,11 @@ tui_set_layout_for_display_command (const char *layout_name)
 }
 
 
-static CORE_ADDR
-extract_display_start_addr (void)
+static void
+extract_display_start_addr (struct gdbarch **gdbarch_p, CORE_ADDR *addr_p)
 {
   enum tui_layout_type cur_layout = tui_current_layout ();
+  struct gdbarch *gdbarch = NULL;
   CORE_ADDR addr;
   CORE_ADDR pc;
   struct symtab_and_line cursal = get_current_source_symtab_and_line ();
@@ -528,6 +531,7 @@ extract_display_start_addr (void)
     {
     case SRC_COMMAND:
     case SRC_DATA_COMMAND:
+      gdbarch = TUI_SRC_WIN->detail.source_info.gdbarch;
       find_line_pc (cursal.symtab,
 		    TUI_SRC_WIN->detail.source_info.start_line_or_addr.u.line_no,
 		    &pc);
@@ -536,6 +540,7 @@ extract_display_start_addr (void)
     case DISASSEM_COMMAND:
     case SRC_DISASSEM_COMMAND:
     case DISASSEM_DATA_COMMAND:
+      gdbarch = TUI_DISASM_WIN->detail.source_info.gdbarch;
       addr = TUI_DISASM_WIN->detail.source_info.start_line_or_addr.u.addr;
       break;
     default:
@@ -543,7 +548,8 @@ extract_display_start_addr (void)
       break;
     }
 
-  return addr;
+  *gdbarch_p = gdbarch;
+  *addr_p = addr;
 }
 
 
diff --git a/gdb/tui/tui-source.c b/gdb/tui/tui-source.c
index 5b8000e..057383f 100644
--- a/gdb/tui/tui-source.c
+++ b/gdb/tui/tui-source.c
@@ -27,6 +27,7 @@
 #include "breakpoint.h"
 #include "source.h"
 #include "symtab.h"
+#include "objfiles.h"
 
 #include "tui/tui.h"
 #include "tui/tui-data.h"
@@ -106,6 +107,7 @@ tui_set_source_content (struct symtab *s,
 		  stream = fdopen (desc, FOPEN_RT);
 		  clearerr (stream);
 		  cur_line = 0;
+		  src->gdbarch = get_objfile_arch (s->objfile);
 		  src->start_line_or_addr.loa = LOA_LINE;
 		  cur_line_no = src->start_line_or_addr.u.line_no = line_no;
 		  if (offset > 0)
@@ -311,12 +313,12 @@ tui_set_source_content_nil (struct tui_win_info *win_info,
 /* Function to display source in the source window.  This function
    initializes the horizontal scroll to 0.  */
 void
-tui_show_symtab_source (struct symtab *s, 
+tui_show_symtab_source (struct gdbarch *gdbarch, struct symtab *s,
 			struct tui_line_or_address line, 
 			int noerror)
 {
   TUI_SRC_WIN->detail.source_info.horizontal_offset = 0;
-  tui_update_source_window_as_is (TUI_SRC_WIN, s, line, noerror);
+  tui_update_source_window_as_is (TUI_SRC_WIN, gdbarch, s, line, noerror);
 }
 
 
diff --git a/gdb/tui/tui-source.h b/gdb/tui/tui-source.h
index 27199d0..7d6bb2e 100644
--- a/gdb/tui/tui-source.h
+++ b/gdb/tui/tui-source.h
@@ -33,7 +33,7 @@ extern void tui_set_source_content_nil (struct tui_win_info *,
 
 extern enum tui_status tui_set_source_content (struct symtab *, 
 					       int, int);
-extern void tui_show_symtab_source (struct symtab *, 
+extern void tui_show_symtab_source (struct gdbarch *, struct symtab *,
 				    struct tui_line_or_address,
 				    int);
 extern int tui_source_is_displayed (char *);
diff --git a/gdb/tui/tui-stack.c b/gdb/tui/tui-stack.c
index ccc9b9f..00e091d 100644
--- a/gdb/tui/tui-stack.c
+++ b/gdb/tui/tui-stack.c
@@ -48,7 +48,8 @@ static char *tui_get_function_from_frame (struct frame_info *fi);
 static void tui_set_locator_filename (const char *filename);
 
 /* Update the locator, with the provided arguments.  */
-static void tui_set_locator_info (const char *filename,
+static void tui_set_locator_info (struct gdbarch *gdbarch,
+				  const char *filename,
 				  const char *procname,
                                   int lineno, CORE_ADDR addr);
 
@@ -274,7 +275,7 @@ tui_set_locator_filename (const char *filename)
 
   if (locator->content[0] == NULL)
     {
-      tui_set_locator_info (filename, NULL, 0, 0);
+      tui_set_locator_info (NULL, filename, NULL, 0, 0);
       return;
     }
 
@@ -285,7 +286,8 @@ tui_set_locator_filename (const char *filename)
 
 /* Update the locator, with the provided arguments.  */
 static void
-tui_set_locator_info (const char *filename, 
+tui_set_locator_info (struct gdbarch *gdbarch,
+		      const char *filename,
 		      const char *procname, 
 		      int lineno,
                       CORE_ADDR addr)
@@ -305,6 +307,7 @@ tui_set_locator_info (const char *filename,
   strcat_to_buf (element->proc_name, MAX_LOCATOR_ELEMENT_LEN, procname);
   element->line_no = lineno;
   element->addr = addr;
+  element->gdbarch = gdbarch;
   tui_set_locator_filename (filename);
 }
 
@@ -335,7 +338,8 @@ tui_show_frame_info (struct frame_info *fi)
 
       source_already_displayed = sal.symtab != 0
         && tui_source_is_displayed (sal.symtab->filename);
-      tui_set_locator_info (sal.symtab == 0 ? "??" : sal.symtab->filename,
+      tui_set_locator_info (get_frame_arch (fi),
+			    sal.symtab == 0 ? "??" : sal.symtab->filename,
                             tui_get_function_from_frame (fi),
                             sal.line,
                             get_frame_pc (fi));
@@ -360,7 +364,8 @@ tui_show_frame_info (struct frame_info *fi)
 					    &low, (CORE_ADDR) 0) == 0)
 		error (_("No function contains program counter for selected frame."));
 	      else
-		low = tui_get_low_disassembly_address (low, get_frame_pc (fi));
+		low = tui_get_low_disassembly_address (get_frame_arch (fi),
+						       low, get_frame_pc (fi));
 	    }
 
 	  if (win_info == TUI_SRC_WIN)
@@ -370,7 +375,8 @@ tui_show_frame_info (struct frame_info *fi)
 	      l.u.line_no = start_line;
 	      if (!(source_already_displayed
 		    && tui_line_is_displayed (item->locator.line_no, win_info, TRUE)))
-		tui_update_source_window (win_info, sal.symtab, l, TRUE);
+		tui_update_source_window (win_info, get_frame_arch (fi),
+					  sal.symtab, l, TRUE);
 	      else
 		{
 		  l.u.line_no = item->locator.line_no;
@@ -385,7 +391,8 @@ tui_show_frame_info (struct frame_info *fi)
 		  a.loa = LOA_ADDRESS;
 		  a.u.addr = low;
 		  if (!tui_addr_is_displayed (item->locator.addr, win_info, TRUE))
-		    tui_update_source_window (win_info, sal.symtab, a, TRUE);
+		    tui_update_source_window (win_info, get_frame_arch (fi),
+					      sal.symtab, a, TRUE);
 		  else
 		    {
 		      a.u.addr = item->locator.addr;
@@ -398,7 +405,7 @@ tui_show_frame_info (struct frame_info *fi)
     }
   else
     {
-      tui_set_locator_info (NULL, NULL, 0, (CORE_ADDR) 0);
+      tui_set_locator_info (NULL, NULL, NULL, 0, (CORE_ADDR) 0);
       tui_show_locator_content ();
       for (i = 0; i < (tui_source_windows ())->count; i++)
 	{
diff --git a/gdb/tui/tui-win.c b/gdb/tui/tui-win.c
index b101cdd..11944fe 100644
--- a/gdb/tui/tui-win.c
+++ b/gdb/tui/tui-win.c
@@ -1360,19 +1360,22 @@ make_visible_with_new_height (struct tui_win_info *win_info)
       tui_make_visible (win_info->detail.source_info.execution_info);
       if (win_info->generic.content != NULL)
 	{
+	  struct gdbarch *gdbarch = win_info->detail.source_info.gdbarch;
 	  struct tui_line_or_address line_or_addr;
 	  struct symtab_and_line cursal
 	    = get_current_source_symtab_and_line ();
 
 	  line_or_addr = win_info->detail.source_info.start_line_or_addr;
 	  tui_free_win_content (&win_info->generic);
-	  tui_update_source_window (win_info, cursal.symtab, line_or_addr, TRUE);
+	  tui_update_source_window (win_info, gdbarch,
+				    cursal.symtab, line_or_addr, TRUE);
 	}
       else if (deprecated_safe_get_selected_frame () != NULL)
 	{
 	  struct tui_line_or_address line;
 	  struct symtab_and_line cursal = get_current_source_symtab_and_line ();
 	  struct frame_info *frame = deprecated_safe_get_selected_frame ();
+	  struct gdbarch *gdbarch = get_frame_arch (frame);
 
 	  s = find_pc_symtab (get_frame_pc (frame));
 	  if (win_info->generic.type == SRC_WIN)
@@ -1385,7 +1388,7 @@ make_visible_with_new_height (struct tui_win_info *win_info)
 	      line.loa = LOA_ADDRESS;
 	      find_line_pc (s, cursal.line, &line.u.addr);
 	    }
-	  tui_update_source_window (win_info, s, line, TRUE);
+	  tui_update_source_window (win_info, gdbarch, s, line, TRUE);
 	}
       if (tui_win_has_locator (win_info))
 	{
diff --git a/gdb/tui/tui-winsource.c b/gdb/tui/tui-winsource.c
index 158aa89..4b7d744 100644
--- a/gdb/tui/tui-winsource.c
+++ b/gdb/tui/tui-winsource.c
@@ -27,6 +27,7 @@
 #include "breakpoint.h"
 #include "value.h"
 #include "source.h"
+#include "objfiles.h"
 
 #include "tui/tui.h"
 #include "tui/tui-data.h"
@@ -47,14 +48,15 @@ tui_display_main (void)
 {
   if ((tui_source_windows ())->count > 0)
     {
+      struct gdbarch *gdbarch;
       CORE_ADDR addr;
 
-      addr = tui_get_begin_asm_address ();
+      tui_get_begin_asm_address (&gdbarch, &addr);
       if (addr != (CORE_ADDR) 0)
 	{
 	  struct symtab_and_line sal;
 
-	  tui_update_source_windows_with_addr (addr);
+	  tui_update_source_windows_with_addr (gdbarch, addr);
 	  sal = find_pc_line (addr, 0);
           if (sal.symtab)
              tui_update_locator_filename (sal.symtab->filename);
@@ -70,12 +72,13 @@ tui_display_main (void)
    initializes the horizontal scroll to 0.  */
 void
 tui_update_source_window (struct tui_win_info *win_info,
+			  struct gdbarch *gdbarch,
 			  struct symtab *s,
 			  struct tui_line_or_address line_or_addr,
 			  int noerror)
 {
   win_info->detail.source_info.horizontal_offset = 0;
-  tui_update_source_window_as_is (win_info, s, line_or_addr, noerror);
+  tui_update_source_window_as_is (win_info, gdbarch, s, line_or_addr, noerror);
 
   return;
 }
@@ -85,6 +88,7 @@ tui_update_source_window (struct tui_win_info *win_info,
    shows the source as specified by the horizontal offset.  */
 void
 tui_update_source_window_as_is (struct tui_win_info *win_info, 
+				struct gdbarch *gdbarch,
 				struct symtab *s,
 				struct tui_line_or_address line_or_addr, 
 				int noerror)
@@ -94,7 +98,7 @@ tui_update_source_window_as_is (struct tui_win_info *win_info,
   if (win_info->generic.type == SRC_WIN)
     ret = tui_set_source_content (s, line_or_addr.u.line_no, noerror);
   else
-    ret = tui_set_disassem_content (line_or_addr.u.addr);
+    ret = tui_set_disassem_content (gdbarch, line_or_addr.u.addr);
 
   if (ret == TUI_FAILURE)
     {
@@ -130,7 +134,7 @@ tui_update_source_window_as_is (struct tui_win_info *win_info,
 /* Function to ensure that the source and/or disassemly windows
    reflect the input address.  */
 void
-tui_update_source_windows_with_addr (CORE_ADDR addr)
+tui_update_source_windows_with_addr (struct gdbarch *gdbarch, CORE_ADDR addr)
 {
   if (addr != 0)
     {
@@ -141,16 +145,16 @@ tui_update_source_windows_with_addr (CORE_ADDR addr)
 	{
 	case DISASSEM_COMMAND:
 	case DISASSEM_DATA_COMMAND:
-	  tui_show_disassem (addr);
+	  tui_show_disassem (gdbarch, addr);
 	  break;
 	case SRC_DISASSEM_COMMAND:
-	  tui_show_disassem_and_update_source (addr);
+	  tui_show_disassem_and_update_source (gdbarch, addr);
 	  break;
 	default:
 	  sal = find_pc_line (addr, 0);
 	  l.loa = LOA_LINE;
 	  l.u.line_no = sal.line;
-	  tui_show_symtab_source (sal.symtab, l, FALSE);
+	  tui_show_symtab_source (gdbarch, sal.symtab, l, FALSE);
 	  break;
 	}
     }
@@ -173,24 +177,30 @@ tui_update_source_windows_with_addr (CORE_ADDR addr)
 void
 tui_update_source_windows_with_line (struct symtab *s, int line)
 {
+  struct gdbarch *gdbarch;
   CORE_ADDR pc;
   struct tui_line_or_address l;
-  
+
+  if (!s)
+    return;
+
+  gdbarch = get_objfile_arch (s->objfile);
+
   switch (tui_current_layout ())
     {
     case DISASSEM_COMMAND:
     case DISASSEM_DATA_COMMAND:
       find_line_pc (s, line, &pc);
-      tui_update_source_windows_with_addr (pc);
+      tui_update_source_windows_with_addr (gdbarch, pc);
       break;
     default:
       l.loa = LOA_LINE;
       l.u.line_no = line;
-      tui_show_symtab_source (s, l, FALSE);
+      tui_show_symtab_source (gdbarch, s, l, FALSE);
       if (tui_current_layout () == SRC_DISASSEM_COMMAND)
 	{
 	  find_line_pc (s, line, &pc);
-	  tui_show_disassem (pc);
+	  tui_show_disassem (gdbarch, pc);
 	}
       break;
     }
@@ -311,6 +321,7 @@ tui_horizontal_source_scroll (struct tui_win_info *win_info,
 {
   if (win_info->generic.content != NULL)
     {
+      struct gdbarch *gdbarch = win_info->detail.source_info.gdbarch;
       int offset;
       struct symtab *s = NULL;
 
@@ -332,7 +343,7 @@ tui_horizontal_source_scroll (struct tui_win_info *win_info,
 	    offset = 0;
 	}
       win_info->detail.source_info.horizontal_offset = offset;
-      tui_update_source_window_as_is (win_info, s,
+      tui_update_source_window_as_is (win_info, gdbarch, s,
 				      ((struct tui_win_element *)
 				       win_info->generic.content[0])->which_element.source.line_or_addr,
 				      FALSE);
diff --git a/gdb/tui/tui-winsource.h b/gdb/tui/tui-winsource.h
index fdfd3ec..6fae8d8 100644
--- a/gdb/tui/tui-winsource.h
+++ b/gdb/tui/tui-winsource.h
@@ -41,14 +41,14 @@ extern int tui_update_breakpoint_info (struct tui_win_info *win,
 /* Function to display the "main" routine.  */
 extern void tui_display_main (void);
 extern void tui_update_source_window (struct tui_win_info *, 
-				      struct symtab *,
+				      struct gdbarch *, struct symtab *,
 				      struct tui_line_or_address, 
 				      int);
 extern void tui_update_source_window_as_is (struct tui_win_info *,
-					    struct symtab *,
+					    struct gdbarch *, struct symtab *,
 					    struct tui_line_or_address, 
 					    int);
-extern void tui_update_source_windows_with_addr (CORE_ADDR);
+extern void tui_update_source_windows_with_addr (struct gdbarch *, CORE_ADDR);
 extern void tui_update_source_windows_with_line (struct symtab *, 
 						 int);
 extern void tui_clear_source_content (struct tui_win_info *, int);
diff --git a/gdb/tui/tui.c b/gdb/tui/tui.c
index a8952e6..7c0d0ce 100644
--- a/gdb/tui/tui.c
+++ b/gdb/tui/tui.c
@@ -535,10 +535,10 @@ tui_show_source (const char *file, int line)
 }
 
 void
-tui_show_assembly (CORE_ADDR addr)
+tui_show_assembly (struct gdbarch *gdbarch, CORE_ADDR addr)
 {
   tui_add_win_to_layout (DISASSEM_WIN);
-  tui_update_source_windows_with_addr (addr);
+  tui_update_source_windows_with_addr (gdbarch, addr);
 }
 
 int
diff --git a/gdb/tui/tui.h b/gdb/tui/tui.h
index 41438ca..22ff02a 100644
--- a/gdb/tui/tui.h
+++ b/gdb/tui/tui.h
@@ -54,9 +54,9 @@ enum tui_win_type
 
 /* GENERAL TUI FUNCTIONS */
 /* tui.c */
-extern CORE_ADDR tui_get_low_disassembly_address (CORE_ADDR, 
-						  CORE_ADDR);
-extern void tui_show_assembly (CORE_ADDR addr);
+extern CORE_ADDR tui_get_low_disassembly_address (struct gdbarch *,
+						  CORE_ADDR, CORE_ADDR);
+extern void tui_show_assembly (struct gdbarch *gdbarch, CORE_ADDR addr);
 extern int tui_is_window_visible (enum tui_win_type type);
 extern int tui_get_command_dimension (unsigned int *width,
 				      unsigned int *height);