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register: support non-existent registers

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This patch fixes a number of bugs caused by incomplete support for
non-existent registers. This is needed for targets that provide optional
registers or non-linear register numbers.

Change-Id: I216196e0051f28887a2c3da410959382369eed80
Signed-off-by: Steven Stallion <stallion@squareup.com>
Reviewed-on: http://openocd.zylin.com/4113
Tested-by: jenkins
Reviewed-by: Matthias Welwarsky <matthias@welwarsky.de>
This commit is contained in:
Steven Stallion
2017-05-01 14:38:35 -05:00
committed by Matthias Welwarsky
parent 06589d2de4
commit b5964191f0
3 changed files with 21 additions and 5 deletions
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7
src/server/gdb_server.c
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@@ -1179,8 +1179,11 @@ static int gdb_get_registers_packet(struct connection *connection,
if (retval != ERROR_OK)
return gdb_error(connection, retval);
for (i = 0; i < reg_list_size; i++)
for (i = 0; i < reg_list_size; i++) {
if (reg_list[i] == NULL || reg_list[i]->exist == false)
continue;
reg_packet_size += DIV_ROUND_UP(reg_list[i]->size, 8) * 2;
}
assert(reg_packet_size > 0);
@@ -1191,6 +1194,8 @@ static int gdb_get_registers_packet(struct connection *connection,
reg_packet_p = reg_packet;
for (i = 0; i < reg_list_size; i++) {
if (reg_list[i] == NULL || reg_list[i]->exist == false)
continue;
if (!reg_list[i]->valid) {
retval = reg_list[i]->type->get(reg_list[i]);
if (retval != ERROR_OK && gdb_report_register_access_error) {