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authorAndreas Fritiofson <andreas.fritiofson@gmail.com>2013-09-30 23:33:59 +0200
committerSpencer Oliver <spen@spen-soft.co.uk>2013-10-31 20:45:55 +0000
commit4f6f065201e908497f087769dcdff1728466df4e (patch)
treeb00e0022f4699c8d5baa394433a213850dcbb8c2 /src
parent484dbcc3027d030c6200632262c24615f8eb8514 (diff)
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smp: Fix byte order bug
Found by grepping for pointer casts. Also rewrite to reduce scope and allocate the few bytes needed on stack instead of on heap. Change-Id: Ia2a369fb612e807b981ee60ebcfd9c09c2fbdf4c Signed-off-by: Andreas Fritiofson <andreas.fritiofson@gmail.com> Reviewed-on: http://openocd.zylin.com/1779 Tested-by: jenkins Reviewed-by: Mathias Küster <kesmtp@freenet.de> Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
Diffstat (limited to 'src')
-rw-r--r--src/target/smp.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/src/target/smp.c b/src/target/smp.c
index 39a9533..d14ceba 100644
--- a/src/target/smp.c
+++ b/src/target/smp.c
@@ -59,18 +59,16 @@ int gdb_read_smp_packet(struct connection *connection,
char *packet, int packet_size)
{
struct target *target = get_target_from_connection(connection);
- uint32_t len = sizeof(int32_t);
- uint8_t *buffer;
- char *hex_buffer;
int retval = ERROR_OK;
if (target->smp) {
if (strncmp(packet, "jc", 2) == 0) {
- hex_buffer = malloc(len * 2 + 1);
- buffer = (uint8_t *)&target->gdb_service->core[0];
- int pkt_len = hexify(hex_buffer, (char *)buffer, len, len * 2 + 1);
+ const uint32_t len = sizeof(target->gdb_service->core[0]);
+ char hex_buffer[len * 2 + 1];
+ char buffer[len];
+ buf_set_u32(buffer, 0, len * 8, target->gdb_service->core[0]);
+ int pkt_len = hexify(hex_buffer, buffer, sizeof(buffer), sizeof(hex_buffer));
retval = gdb_put_packet(connection, hex_buffer, pkt_len);
- free(hex_buffer);
}
} else
retval = gdb_put_packet(connection, "E01", 3);