How can I link C library code into ECODE when I use Philips' 80C51MX?

Now, I use Keil C (v7.10) to develop the Philips' 80C51MX product. In my project, I need to download the code into EEPROM (0xC00000-0xFFFFFF) which is ECODE, however, I used the C Library Code which is link to CODE (0x800000-0x80FFFF). So how to link the C Library Code into EEPROM (ECODE)?

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