section will not fit in region

发布于 2022-04-29 11:31:12 浏览：1817 订阅该版

[tocm]

报错内容：
```
d:/rt-threadstudio/repo/extract/toolchain_support_packages/wch/risc-v-gcc-wch/8.2.0/bin/../lib/gcc/riscv-none-embed/8.2.0/../../../../riscv-none-embed/bin/ld.exe: rtthread.elf section `.text' will not fit in region `FLASH'
d:/rt-threadstudio/repo/extract/toolchain_support_packages/wch/risc-v-gcc-wch/8.2.0/bin/../lib/gcc/riscv-none-embed/8.2.0/../../../../riscv-none-embed/bin/ld.exe: rtthread.elf section `.bss' will not fit in region `RAM'
d:/rt-threadstudio/repo/extract/toolchain_support_packages/wch/risc-v-gcc-wch/8.2.0/bin/../lib/gcc/riscv-none-embed/8.2.0/../../../../riscv-none-embed/bin/ld.exe: section .stack VMA [0000000020000800,0000000020000fff] overlaps section .bss VMA [0000000020000408,000000002000ac3b]
d:/rt-threadstudio/repo/extract/toolchain_support_packages/wch/risc-v-gcc-wch/8.2.0/bin/../lib/gcc/riscv-none-embed/8.2.0/../../../../riscv-none-embed/bin/ld.exe: region `FLASH' overflowed by 162416 bytes
d:/rt-threadstudio/repo/extract/toolchain_support_packages/wch/risc-v-gcc-wch/8.2.0/bin/../lib/gcc/riscv-none-embed/8.2.0/../../../../riscv-none-embed/bin/ld.exe: region `RAM' overflowed by 0 bytes
```

## 解决方案：
1、检查修改 link.lds 文件中对FLASH和RAM的配置是否合适。
参考方案：[点击跳转](https://club.rt-thread.org/ask/question/eec184038eed1f0c.html)

2、可以暂时将以下参数改大，使得编译通过，就能看到编译后的文件大小（需要再改回来）。
```c
MEMORY
{
	FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 256K
	RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 64K
}
```