gdb配置与调试

1. 通过buildroot构建gdb

1. make menuconfig ARCHarm
2. select "gdb "in Target packages--> Debugging,profiling and benchmark --> gdb
3. select "full debugger"
4. Build options--> gcc optimization level选择optimization level 0 
5. Build options -->strip command for binaries on target选择none

2.gdb配置

1. ulimit -c unlimited
2. echo "1" > /proc/sys/kernel/core_uses_pid
3. echo "/var/core/core-%e-%p-%t" > /proc/sys/kernel/core_pattern

3. gdb调试

参考文章：https://blog.csdn.net/chen1415886044/article/details/105094688