helper/command: make command_run_line reentrant

[openocd.git] / src / helper / command.c

diff --git a/src/helper/command.c b/src/helper/command.c
index ab0654b6ebe1981bef9187bfd7c4d01d8e5fe4e4..7b93df6e114408fb5e05513d8a502681a87ae4b6 100644 (file)
--- a/src/helper/command.c
+++ b/src/helper/command.c
@@ -652,9 +652,11 @@ int command_run_line(struct command_context *context, char *line)
         * happen when the Jim Tcl interpreter is provided by eCos for
         * instance.
         */
+       struct target *saved_target_override = context->current_target_override;
        context->current_target_override = NULL;
 
        Jim_Interp *interp = context->interp;
+       struct command_context *old_context = Jim_GetAssocData(interp, "context");
        Jim_DeleteAssocData(interp, "context");
        retcode = Jim_SetAssocData(interp, "context", NULL, context);
        if (retcode == JIM_OK) {
@@ -667,7 +669,11 @@ int command_run_line(struct command_context *context, char *line)
                        Jim_DeleteAssocData(interp, "retval");
                }
                Jim_DeleteAssocData(interp, "context");
+               int inner_retcode = Jim_SetAssocData(interp, "context", NULL, old_context);
+               if (retcode == JIM_OK)
+                       retcode = inner_retcode;
        }
+       context->current_target_override = saved_target_override;
        if (retcode == JIM_OK) {
                const char *result;
                int reslen;