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>
int sig_reply_len;
int signal_var;
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;
gdb_put_packet(connection, sig_reply, sig_reply_len);
gdb_connection->frontend_state = TARGET_HALTED;
&instruction))
return ERROR_FAIL;
&instruction))
return ERROR_FAIL;
- target->debug_reason = DBG_REASON_BREAKPOINT;
+ /* hit 'break 0x7FFF' */
+ if ((instruction.info.opc_6 == 0x32) &&
+ (instruction.info.sub_opc == 0xA) &&
+ (instruction.info.imm == 0x7FFF)) {
+ target->debug_reason = DBG_REASON_EXIT;
+ } else
+ target->debug_reason = DBG_REASON_BREAKPOINT;
}
break;
case NDS32_DEBUG_DATA_ADDR_WATCHPOINT_PRECISE:
}
break;
case NDS32_DEBUG_DATA_ADDR_WATCHPOINT_PRECISE:
{ .name = "watchpoint-and-breakpoint", .value = DBG_REASON_WPTANDBKPT },
{ .name = "single-step" , .value = DBG_REASON_SINGLESTEP },
{ .name = "target-not-halted" , .value = DBG_REASON_NOTHALTED },
{ .name = "watchpoint-and-breakpoint", .value = DBG_REASON_WPTANDBKPT },
{ .name = "single-step" , .value = DBG_REASON_SINGLESTEP },
{ .name = "target-not-halted" , .value = DBG_REASON_NOTHALTED },
+ { .name = "program-exit" , .value = DBG_REASON_EXIT },
{ .name = "undefined" , .value = DBG_REASON_UNDEFINED },
{ .name = NULL, .value = -1 },
};
{ .name = "undefined" , .value = DBG_REASON_UNDEFINED },
{ .name = NULL, .value = -1 },
};
DBG_REASON_WPTANDBKPT = 3,
DBG_REASON_SINGLESTEP = 4,
DBG_REASON_NOTHALTED = 5,
DBG_REASON_WPTANDBKPT = 3,
DBG_REASON_SINGLESTEP = 4,
DBG_REASON_NOTHALTED = 5,
- DBG_REASON_UNDEFINED = 6
+ DBG_REASON_EXIT = 6,
+ DBG_REASON_UNDEFINED = 7,
};
enum target_endianness {
};
enum target_endianness {
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