2 files changed, 7 insertions, 20 deletions

diff --git a/gdb/mi/mi-cmd-file.c b/gdb/mi/mi-cmd-file.c
index 2b3522b..a39ef3b 100644
--- a/gdb/mi/mi-cmd-file.c
+++ b/gdb/mi/mi-cmd-file.c
@@ -153,10 +153,7 @@ mi_cmd_file_list_shared_libraries (const char *command, char **argv, int argc)
       if (pattern != NULL && !re_exec (so->so_name))
 	continue;
 
-      struct cleanup *tuple_clean_up
-        = make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
+      ui_out_emit_tuple tuple_emitter (uiout, NULL);
       mi_output_solib_attribs (uiout, so);
-
-      do_cleanups (tuple_clean_up);
     }
 }
diff --git a/gdb/mi/mi-main.c b/gdb/mi/mi-main.c
index 8e3684a..d4e2e8f 100644
--- a/gdb/mi/mi-main.c
+++ b/gdb/mi/mi-main.c
@@ -61,6 +61,7 @@
 #include "run-time-clock.h"
 #include <chrono>
 #include "progspace-and-thread.h"
+#include "common/rsp-low.h"
 
 enum
   {
@@ -2872,36 +2873,25 @@ mi_cmd_trace_frame_collected (const char *command, char **argv, int argc)
 
     for (i = 0; VEC_iterate (mem_range_s, available_memory, i, r); i++)
       {
-	struct cleanup *cleanup_child;
-	gdb_byte *data;
 	struct gdbarch *gdbarch = target_gdbarch ();
 
-	cleanup_child = make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
+	ui_out_emit_tuple tuple_emitter (uiout, NULL);
 
 	uiout->field_core_addr ("address", gdbarch, r->start);
 	uiout->field_int ("length", r->length);
 
-	data = (gdb_byte *) xmalloc (r->length);
-	make_cleanup (xfree, data);
+	gdb::byte_vector data (r->length);
 
 	if (memory_contents)
 	  {
-	    if (target_read_memory (r->start, data, r->length) == 0)
+	    if (target_read_memory (r->start, data.data (), r->length) == 0)
 	      {
-		int m;
-		char *data_str, *p;
-
-		data_str = (char *) xmalloc (r->length * 2 + 1);
-		make_cleanup (xfree, data_str);
-
-		for (m = 0, p = data_str; m < r->length; ++m, p += 2)
-		  sprintf (p, "%02x", data[m]);
-		uiout->field_string ("contents", data_str);
+		std::string data_str = bin2hex (data.data (), r->length);
+		uiout->field_string ("contents", data_str.c_str ());
 	      }
 	    else
 	      uiout->field_skip ("contents");
 	  }
-	do_cleanups (cleanup_child);
       }
 
     do_cleanups (list_cleanup);