gdb: interpret client disconnect as W00 (normal exit)

Also switch the order of -ex for a slightly cleaner output

fxsdk/assets/CMakeLists.txt

@@ -29,7 +29,7 @@ set(ASSETS_cg
 fxconv_declare_assets(${ASSETS} ${ASSETS_fx} ${ASSETS_cg} WITH_METADATA)
 
 add_executable(myaddin ${SOURCES} ${ASSETS} ${ASSETS_${FXSDK_PLATFORM}})
-target_compile_options(myaddin PRIVATE -Wall -Wextra -Os)
+target_compile_options(myaddin PRIVATE -Wall -Wextra -Os -g)
 target_link_libraries(myaddin Gint::Gint)
 
 if("${FXSDK_PLATFORM_LONG}" STREQUAL fx9860G)

fxsdk/gdb-bridge.c

@@ -125,9 +125,9 @@ static pid_t fork_gdb(char **user_argv, char const *socket_path)
 	argv[0] = "sh-elf-gdb";
 	argv[1] = "-q";
 	argv[2] = "-ex";
-	argv[3] = target_command;
+	argv[3] = "set architecture sh4al-dsp";
 	argv[4] = "-ex";
-	argv[5] = "set architecture sh4a-nofpu";
+	argv[5] = target_command;
 	memcpy(argv+6, user_argv, (n+1) * sizeof *argv);
 
 	struct sigaction action = {
@@ -191,6 +191,7 @@ int main(int argc, char **argv)
 	libusb_context *context = NULL;
 	struct fxlink_device *fdev = NULL;
 	struct fxlink_pollfds fxlink_polled_fds = { 0 };
+	struct fxlink_device_list device_list = { 0 };
 	char socket_path[256] = { 0 };
 	pid_t gdb_pid = -1;
 	int ret = 1;
@@ -238,6 +239,9 @@ int main(int argc, char **argv)
 	};
 	fxlink_pollfds_track(&fxlink_polled_fds, context);
 
+	/* Track devices to find out when our device is removed */
+	fxlink_device_list_track(&device_list, context);
+
 	while(!interrupted_flag && !gdb_terminated_flag) {
 		int err = fxlink_multipoll(-1,
 			fxlink_polled_fds.fds, fxlink_polled_fds.count,
@@ -251,6 +255,18 @@ int main(int argc, char **argv)
 		struct timeval zero = {0};
 		libusb_handle_events_timeout(context, &zero);
 
+		/* Check if our device is still in the list */
+		fxlink_device_list_refresh(&device_list);
+		bool still_there = false;
+		for(int i = 0; i < device_list.count; i++)
+			still_there = still_there || device_list.devices[i].dp == fdev->dp;
+		if(!still_there) {
+			hlog("gdb");
+			log_("device disconnected\n");
+			send(client_socket, "$W00#b7", 7, 0);
+			break;
+		}
+
 		struct fxlink_message *msg;
 		while((msg = fxlink_device_finish_bulk_IN(fdev)) != NULL) {
 			if(!fxlink_message_is_apptype(msg, "gdb", "remote")) {
@@ -304,6 +320,8 @@ end:
 		waitpid(gdb_pid, NULL, 0);
 	if(socket_path[0])
 		unlink(socket_path);
+	if(device_list.ctx)
+		fxlink_device_list_stop(&device_list);
 	if(fxlink_polled_fds.ctx)
 		fxlink_pollfds_stop(&fxlink_polled_fds);
 	if(fdev) {