Remove tui_show_disassem

tui_show_disassem is just a wrapper for the update_source_window
method, and it only has a single caller.  This removes the function
and inlines the logic into that caller.

gdb/ChangeLog
2019-12-20  Tom Tromey  <tom@tromey.com>

	* tui/tui-winsource.c (tui_update_source_windows_with_addr): Call
	update_source_window directly.
	* tui/tui-disasm.h (tui_show_disassem): Don't declare.
	* tui/tui-disasm.c (tui_show_disassem): Remove.

Change-Id: I7ae7a3309f64a4a949c07a80c46e1664c7f12913

gdb/ChangeLog

+2019-12-20  Tom Tromey  <tom@tromey.com>
+
+	* tui/tui-winsource.c (tui_update_source_windows_with_addr): Call
+	update_source_window directly.
+	* tui/tui-disasm.h (tui_show_disassem): Don't declare.
+	* tui/tui-disasm.c (tui_show_disassem): Remove.
+
 2019-12-20  Tom Tromey  <tom@tromey.com>
 	* tui/tui-winsource.c

gdb/tui/tui-disasm.c

@@ -255,20 +255,6 @@ tui_disasm_window::set_contents (struct gdbarch *arch,
 }
 
 
-/* Function to display the disassembly window with disassembled code.  */
-void
-tui_show_disassem (struct gdbarch *gdbarch, CORE_ADDR start_addr)
-{
-  struct symtab *s = find_pc_line_symtab (start_addr);
-  struct tui_line_or_address val;
-
-  gdb_assert (TUI_DISASM_WIN != nullptr && TUI_DISASM_WIN->is_visible ());
-
-  val.loa = LOA_ADDRESS;
-  val.u.addr = start_addr;
-  TUI_DISASM_WIN->update_source_window (gdbarch, s, val);
-}
-
 void
 tui_get_begin_asm_address (struct gdbarch **gdbarch_p, CORE_ADDR *addr_p)
 {

gdb/tui/tui-disasm.h

@@ -66,7 +66,6 @@ struct tui_disasm_window : public tui_source_window_base
   bool addr_is_displayed (CORE_ADDR addr) const;
 };
 
-extern void tui_show_disassem (struct gdbarch *, CORE_ADDR);
 extern void tui_get_begin_asm_address (struct gdbarch **, CORE_ADDR *);
 
 #endif /* TUI_TUI_DISASM_H */

gdb/tui/tui-winsource.c

@@ -213,15 +213,18 @@ tui_update_source_windows_with_addr (struct gdbarch *gdbarch, CORE_ADDR addr)
 {
   if (addr != 0)
     {
-      struct symtab_and_line sal;
+      struct symtab_and_line sal = find_pc_line (addr, 0);
       struct tui_line_or_address l;
       
       if (TUI_DISASM_WIN != nullptr)
-	tui_show_disassem (gdbarch, addr);
+	{
+	  l.loa = LOA_ADDRESS;
+	  l.u.addr = addr;
+	  TUI_DISASM_WIN->update_source_window (gdbarch, sal.symtab, l);
+	}
 
       if (TUI_SRC_WIN != nullptr)
 	{
-	  sal = find_pc_line (addr, 0);
 	  l.loa = LOA_LINE;
 	  l.u.line_no = sal.line;
 	  TUI_SRC_WIN->show_symtab_source (gdbarch, sal.symtab, l);
@@ -262,7 +265,9 @@ tui_update_source_windows_with_line (struct symtab *s, int line)
       if (tui_current_layout () == SRC_DISASSEM_COMMAND)
 	{
 	  find_line_pc (s, line, &pc);
-	  tui_show_disassem (gdbarch, pc);
+	  l.loa = LOA_ADDRESS;
+	  l.u.addr = pc;
+	  TUI_DISASM_WIN->update_source_window (gdbarch, s, l);
 	}
       break;
     }