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Use gdb::byte_vector in mi_cmd_data_write_memory_bytes

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

gdb/ChangeLog
2017-09-29  Tom Tromey  <tom@tromey.com>

	* mi/mi-main.c (mi_cmd_data_write_memory_bytes): Use
	gdb::byte_vector.
This commit is contained in:
Tom Tromey 2017-05-04 15:44:27 -06:00
parent 6afe2f4a39
commit 45d288cc64
2 changed files with 12 additions and 13 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2017-09-29 Tom Tromey <tom@tromey.com>
* mi/mi-main.c (mi_cmd_data_write_memory_bytes): Use
gdb::byte_vector.
2017-09-29 Tom Tromey <tom@tromey.com>
* mi/mi-parse.c (mi_parse): Remove unused declaration.

20
gdb/mi/mi-main.c
View File

@ -1715,11 +1715,8 @@ 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)
@ -1743,8 +1740,7 @@ 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)
{
@ -1754,34 +1750,32 @@ 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