RT-Thread C 语言编译工程中，增加C++代码，启动运行异常问题

发布于 2024-02-27 19:31:07 浏览：404 订阅该版

1、已经参照 https://www.rt-thread.org/document/site/#/rt-thread-version/rt-thread-standard/application-note/components/cplusplus/an0035-cpp ，修改了，对应配置文件；

2、上电启动，出现异常
```
psr: 0x80000000
r00: 0x00000000
r01: 0x00000000
r02: 0x61449286
r03: 0x7b210000
r04: 0x00032506
r05: 0x00032518
r06: 0xdeadbeef
r07: 0xdeadbeef
r08: 0xdeadbeef
r09: 0xdeadbeef
r10: 0xdeadbeef
r11: 0xdeadbeef
r12: 0xe0000000
lr: 0x00023749
pc: 0x7b210000
      hard fault on thread: main

pri  status      sp     stack size max used left tick  error
 -------- ---  ------- ---------- ----------  ------  ---------- ---
tidle0    31  ready   0x00000040 0x00001000    01%   0x00000020 OK
timer      4  suspend 0x00000054 0x00000800    04%   0x00000009 OK
main      10  running 0x00000044 0x00000800    26%   0x00000012 OK
usage fault:
SCB_CFSR_UFSR:0x02 INVSTATE 
```

3、Disassemble 对应信息

![Disassemble-截图.png](https://oss-club.rt-thread.org/uploads/20240227/986d14d08a02916e4d13764b18f0ab5e.png)
4、对应代码

![代码.png](https://oss-club.rt-thread.org/uploads/20240227/b8d454e74090522c9834028ec623203a.png)
请教各位大虾，可能原因是？