fix(coredump issue fixed, =r missed)

try.c

@@ -52,9 +52,9 @@ void switch_to_ctx(ctx_t *pctx)
     }
 
     current_ctx = pctx;
-    asm("movl %%esp, %0"
+    asm("movl %0, %%esp"
         "\n\t"
-        "movl %%ebp, %1"
+        "movl %1, %%ebp"
         :
         : "r"(current_ctx->esp), "r"(current_ctx->ebp));