30 如何使用RTTHREAD Studio的debuge根据lr和pc的值在调试器里定位具体代码位置

发布于 2025-04-02 16:11:59 浏览：97 订阅该版

在代码运行过程中遇到了报错

```c
msh />psr: 0x210d0000
r00: 0x00007a40
r01: 0x00011e2c
r02: 0x00007a64
r03: 0x00007a64
r04: 0x00000018
r05: 0x20006190
r06: 0x2000dc08
r07: 0x200061c8
r08: 0x30302030
r09: 0x2000dc2c
r10: 0x20006190
r11: 0xdeadbeef
r12: 0x00008fc0
 lr: 0x2000dc08
 pc: 0x0800347c
hard fault on thread: net_con

thread   pri  status      sp     stack size max used left tick  error
-------- ---  ------- ---------- ----------  ------  ---------- ---
tcp_con   10  suspend 0x000000f8 0x00000400    58%   0x00000005 OK
mqt_con   10  suspend 0x000000f8 0x00000400    58%   0x00000001 OK
Doled     30  ready   0x00000164 0x00000800    29%   0x0000000a OK
uart5r    15  suspend 0x00000084 0x00000800    06%   0x0000000a OK
net_con    9  running 0x00000100 0x00000400    59%   0x00000001 OK
at_clnt    9  suspend 0x00000090 0x00000600    09%   0x00000003 OK
tshell    20  suspend 0x00000124 0x00001000    21%   0x00000001 OK
re_rtc    20  suspend 0x00000070 0x00000400    19%   0x00000005 OK
usbd       8  suspend 0x000000f8 0x00001000    06%   0x00000014 OK
tidle0    31  ready   0x00000060 0x00000400    10%   0x00000013 OK
timer      4  suspend 0x00000058 0x00000200    17%   0x00000009 OK
main      10  suspend 0x0000010c 0x00001400    16%   0x00000012 OK
FPU active!
bus fault:
SCB_CFSR_BFSR:0x04 IMPRECISERR

```

以及
```c
p: 0x21000035
r00: 0x200097d8
r01: 0x00000001
r02: 0x200097d8
r03: 0x20005300
r04: 0x20005300
r05: 0xdeadbeef
r eader07: 0x20002774
r08: 0xdeadbeef
r09: 0xdeadbeef
r10: 0xdeadbeef
r11: 0xdeadbeef
r12: 0x00000000
 lr: 0x2000dc08
 pc: 0x08003488
hard fault on handle

busau:
SCB_CFSR_BFSR:0x04 IMPRECISERR

```
使用的RTThread Studio作为IAR,请问如何使用RTThread Studio的debuge功能在调试器里定位具体代码位置