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gdb_server: add target_debug_reason for program exit detection

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Currently, there is no way to notify gdb that program has exited.
Add new target_debug_reason called DBG_REASON_EXIT to notify gdb
the condition has occured. If the debug reason is DBG_REASON_EXIT,
gdb_server will send 'W' packet to tell gdb the process has exited.

Change-Id: I7a371da292716a3e6ac4cc2c31b009a651fe047a
Signed-off-by: Hsiangkai Wang <hsiangkai@gmail.com>
Reviewed-on: http://openocd.zylin.com/1242
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
This commit is contained in:
Hsiangkai Wang
2013-03-06 09:39:52 +08:00
committed by Spencer Oliver
parent 0a4c8990c2
commit 399561eafa
4 changed files with 42 additions and 30 deletions
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60
src/server/gdb_server.c
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@@ -702,40 +702,44 @@ static void gdb_signal_reply(struct target *target, struct connection *connectio
int sig_reply_len;
int signal_var;
if (gdb_connection->ctrl_c) {
signal_var = 0x2;
gdb_connection->ctrl_c = 0;
} else
signal_var = gdb_last_signal(target);
if (target->debug_reason == DBG_REASON_EXIT) {
sig_reply_len = snprintf(sig_reply, sizeof(sig_reply), "W00");
} else {
if (gdb_connection->ctrl_c) {
signal_var = 0x2;
gdb_connection->ctrl_c = 0;
} else
signal_var = gdb_last_signal(target);
stop_reason[0] = '\0';
if (target->debug_reason == DBG_REASON_WATCHPOINT) {
enum watchpoint_rw hit_wp_type;
uint32_t hit_wp_address;
stop_reason[0] = '\0';
if (target->debug_reason == DBG_REASON_WATCHPOINT) {
enum watchpoint_rw hit_wp_type;
uint32_t hit_wp_address;
if (watchpoint_hit(target, &hit_wp_type, &hit_wp_address) == ERROR_OK) {
if (watchpoint_hit(target, &hit_wp_type, &hit_wp_address) == ERROR_OK) {
switch (hit_wp_type) {
case WPT_WRITE:
snprintf(stop_reason, sizeof(stop_reason),
"watch:%08x;", hit_wp_address);
break;
case WPT_READ:
snprintf(stop_reason, sizeof(stop_reason),
"rwatch:%08x;", hit_wp_address);
break;
case WPT_ACCESS:
snprintf(stop_reason, sizeof(stop_reason),
"awatch:%08x;", hit_wp_address);
break;
default:
break;
switch (hit_wp_type) {
case WPT_WRITE:
snprintf(stop_reason, sizeof(stop_reason),
"watch:%08x;", hit_wp_address);
break;
case WPT_READ:
snprintf(stop_reason, sizeof(stop_reason),
"rwatch:%08x;", hit_wp_address);
break;
case WPT_ACCESS:
snprintf(stop_reason, sizeof(stop_reason),
"awatch:%08x;", hit_wp_address);
break;
default:
break;
}
}
}
}
sig_reply_len = snprintf(sig_reply, sizeof(sig_reply), "T%2.2x%s",
signal_var, stop_reason);
sig_reply_len = snprintf(sig_reply, sizeof(sig_reply), "T%2.2x%s",
signal_var, stop_reason);
}
gdb_put_packet(connection, sig_reply, sig_reply_len);
gdb_connection->frontend_state = TARGET_HALTED;