项目场景：
移植UCOS到stm32f103c8t6时BUG日志
问题描述：
c8t6移植ucos中报错内存溢出
报错代码如下：
.\Objects\ISO-STM32.axf: Error: L6406E: No space in execution regions with .ANY selector matching lib_mem.o(.bss).
.\Objects\ISO-STM32.axf: Error: L6406E: No space in execution regions with .ANY selector matching os_cfg_app.o(.bss).
.\Objects\ISO-STM32.axf: Error: L6406E: No space in execution regions with .ANY selector matching os_var.o(.bss).
.\Objects\ISO-STM32.axf: Error: L6406E: No space in execution regions with .ANY selector matching startup_stm32f10x_md.o(STACK).
.\Objects\ISO-STM32.axf: Error: L6406E: No space in execution regions with .ANY selector matching app.o(.bss).
.\Objects\ISO-STM32.axf: Error: L6406E: No space in execution regions with .ANY selector matching startup_stm32f10x_md.o(HEAP).
.\Objects\ISO-STM32.axf: Error: L6406E: No space in execution regions with .ANY selector matching os_var.o(.data).
.\Objects\ISO-STM32.axf: Error: L6406E: No space in execution regions with .ANY selector matching usart.o(.bss).
.\Objects\ISO-STM32.axf: Error: L6406E: No space in execution regions with .ANY selector matching libspace.o(.bss).
.\Objects\ISO-STM32.axf: Error: L6406E: No space in execution regions with .ANY selector matching cpu_core.o(.data).
.\Objects\ISO-STM32.axf: Error: L6406E: No space in execution regions with .ANY selector matching stm32f10x_rcc.o(.data).
.\Objects\ISO-STM32.axf: Error: L6406E: No space in execution regions with .ANY selector matching cpu_core.o(.bss).
.\Objects\ISO-STM32.axf: Error: L6406E: No space in execution regions with .ANY selector matching usart.o(.data).
.\Objects\ISO-STM32.axf: Error: L6406E: No space in execution regions with .ANY selector matching lib_mem.o(.data).
.\Objects\ISO-STM32.axf: Error: L6406E: No space in execution regions with .ANY selector matching os_prio.o(.data).
.\Objects\ISO-STM32.axf: Error: L6406E: No space in execution regions with .ANY selector matching os_cpu_c.o(.data).
.\Objects\ISO-STM32.axf: Error: L6407E: Sections of aggregate size 0x8960 bytes could not fit into .ANY selector(s).
原因分析：
此处报错：无空间在执行lib_mem之后的程序,说明内存不够，之前的程序有使用到大量内存，占据了之后程序的空间，根据源码的配置，在lib_cfg.h里面配置了内存池的大小，此处占用内存较大，源码移植默认配置了27k，而c8t6的sram只有20k，故严重超出内存
解决方案：
直接修改内存池大小，我这里配置为5K，即把27改为5就可以
改变后编译效果如下：
改变之后无报错，移植成功！