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From: Tom Tromey <tom@tromey.com>
To: gdb-patches@sourceware.org
Cc: Tom Tromey <tom@tromey.com>
Subject: [RFA 07/11] Use gdb::byte_vector in mi_cmd_data_write_memory_bytes
Date: Tue, 12 Sep 2017 18:57:00 -0000	[thread overview]
Message-ID: <20170912185736.20436-8-tom@tromey.com> (raw)
In-Reply-To: <20170912185736.20436-1-tom@tromey.com>

This changes mi_cmd_data_write_memory_bytes to use gdb::byte_vector,
removing some cleanups.

ChangeLog
2017-09-12  Tom Tromey  <tom@tromey.com>

	* mi/mi-main.c (mi_cmd_data_write_memory_bytes): Use
	gdb::byte_vector.
---
 gdb/ChangeLog    |  5 +++++
 gdb/mi/mi-main.c | 20 +++++++-------------
 2 files changed, 12 insertions(+), 13 deletions(-)

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 47632fa..7158579 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,10 @@
 2017-09-12  Tom Tromey  <tom@tromey.com>
 
+	* mi/mi-main.c (mi_cmd_data_write_memory_bytes): Use
+	gdb::byte_vector.
+
+2017-09-12  Tom Tromey  <tom@tromey.com>
+
 	* thread.c (gdb_list_thread_ids, gdb_thread_select): Change
 	error_message to std::string.
 	* mi/mi-main.c (mi_cmd_thread_select): Use std::string.
diff --git a/gdb/mi/mi-main.c b/gdb/mi/mi-main.c
index d01f578..c8c4a97 100644
--- a/gdb/mi/mi-main.c
+++ b/gdb/mi/mi-main.c
@@ -1710,11 +1710,8 @@ mi_cmd_data_write_memory_bytes (const char *command, char **argv, int argc)
 {
   CORE_ADDR addr;
   char *cdata;
-  gdb_byte *data;
-  gdb_byte *databuf;
   size_t len_hex, len_bytes, len_units, i, steps, remaining_units;
   long int count_units;
-  struct cleanup *back_to;
   int unit_size;
 
   if (argc != 2 && argc != 3)
@@ -1738,8 +1735,7 @@ mi_cmd_data_write_memory_bytes (const char *command, char **argv, int argc)
   else
     count_units = len_units;
 
-  databuf = XNEWVEC (gdb_byte, len_bytes);
-  back_to = make_cleanup (xfree, databuf);
+  gdb::byte_vector databuf (len_bytes);
 
   for (i = 0; i < len_bytes; ++i)
     {
@@ -1749,34 +1745,32 @@ mi_cmd_data_write_memory_bytes (const char *command, char **argv, int argc)
       databuf[i] = (gdb_byte) x;
     }
 
+  gdb::byte_vector data;
   if (len_units < count_units)
     {
       /* Pattern is made of less units than count:
          repeat pattern to fill memory.  */
-      data = (gdb_byte *) xmalloc (count_units * unit_size);
-      make_cleanup (xfree, data);
+      data = gdb::byte_vector (count_units * unit_size);
 
       /* Number of times the pattern is entirely repeated.  */
       steps = count_units / len_units;
       /* Number of remaining addressable memory units.  */
       remaining_units = count_units % len_units;
       for (i = 0; i < steps; i++)
-        memcpy (data + i * len_bytes, databuf, len_bytes);
+        memcpy (&data[i * len_bytes], &databuf[0], len_bytes);
 
       if (remaining_units > 0)
-        memcpy (data + steps * len_bytes, databuf,
+        memcpy (&data[steps * len_bytes], &databuf[0],
 		remaining_units * unit_size);
     }
   else
     {
       /* Pattern is longer than or equal to count:
          just copy count addressable memory units.  */
-      data = databuf;
+      data = std::move (databuf);
     }
 
-  write_memory_with_notification (addr, data, count_units);
-
-  do_cleanups (back_to);
+  write_memory_with_notification (addr, data.data (), count_units);
 }
 
 void
-- 
2.9.4


  parent reply	other threads:[~2017-09-12 18:57 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-12 18:57 more cleanup removal, particularly in MI Tom Tromey
2017-09-12 18:57 ` [RFA 10/11] Use a std::vector for ada_exceptions_list Tom Tromey
2017-09-28 10:20   ` Pedro Alves
2017-09-12 18:57 ` [RFA 02/11] Remove cleanups from mi_cmd_break_insert_1 Tom Tromey
2017-09-28  9:24   ` Pedro Alves
2017-09-28 19:57     ` Tom Tromey
2017-09-29  1:40     ` Tom Tromey
2017-09-29 10:21       ` Pedro Alves
2017-09-12 18:57 ` [RFA 04/11] Don't copy a string in mi_cmd_disassemble Tom Tromey
2017-09-28  9:40   ` Pedro Alves
2017-09-12 18:57 ` [RFA 05/11] Remove unused declaration Tom Tromey
2017-09-28  9:40   ` Pedro Alves
2017-09-12 18:57 ` [RFA 08/11] Use string and unique_xmalloc_ptr in mi-main.c Tom Tromey
2017-09-28  9:57   ` Pedro Alves
2017-09-29  1:42     ` Tom Tromey
2017-09-29 10:23       ` Pedro Alves
2017-09-12 18:57 ` Tom Tromey [this message]
2017-09-28  9:46   ` [RFA 07/11] Use gdb::byte_vector in mi_cmd_data_write_memory_bytes Pedro Alves
2017-09-12 18:57 ` [RFA 11/11] Change captured_mi_execute_command to use scoped_restore Tom Tromey
2017-09-28 10:35   ` Pedro Alves
2017-09-12 18:57 ` [RFA 06/11] Change some gdb_* functions to use a std::string out parameter Tom Tromey
2017-09-28  9:42   ` Pedro Alves
2017-09-28 19:58     ` Tom Tromey
2017-09-12 18:57 ` [RFA 09/11] Use std::set in mi-main.c Tom Tromey
2017-09-28 10:10   ` Pedro Alves
2017-10-02 13:05     ` Simon Marchi
2017-10-03 11:21   ` Simon Marchi
2017-10-03 11:39     ` Tom Tromey
2017-09-12 18:59 ` [RFA 01/11] Remove make_cleanup_defer_target_commit_resume Tom Tromey
2017-09-28  9:17   ` Pedro Alves
2017-09-12 19:03 ` [RFA 03/11] Remove cleanups from mi-cmd-var.c Tom Tromey
2017-09-28  9:36   ` Pedro Alves
2017-09-29  1:40     ` Tom Tromey
2017-09-29 10:22       ` Pedro Alves
2017-09-23 16:15 ` more cleanup removal, particularly in MI Tom Tromey

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