s\esp-idf-v4.4.3\workspace\hello_world> openocd -f board/esp32c3-builtin.cfg
Open On-Chip Debugger v0.11.0-esp32-20220706 (2022-07-06-15:48)
Licensed under GNU GPL v2
For bug reports, read
http://openocd.org/doc/doxygen/bugs.html
Info : only one transport option; autoselect 'jtag'
Info : esp_usb_jtag: VID set to 0x303a and PID to 0x1001
Info : esp_usb_jtag: capabilities descriptor set to 0x2000
Warn : Transport "jtag" was already selected
Info : Listening on port 6666 for tcl connections
Info : Listening on port 4444 for telnet connections
Info : esp_usb_jtag: serial (60:55:F9:75:9C:90)
Info : esp_usb_jtag: Device found. Base speed 40000KHz, div range 1 to 255
Info : clock speed 40000 kHz
Info : JTAG tap: esp32c3.cpu tap/device found: 0x00005c25 (mfg: 0x612 (Espressif Systems), part: 0x0005, ver: 0x0)
Info : datacount=2 progbufsize=16
Info : Examined RISC-V core; found 1 harts
Info : hart 0: XLEN=32, misa=0x40101104
Info : starting gdb server for esp32c3 on 3333
Info : Listening on port 3333 for gdb connections
根据官方教程创建gdbinit文件，端口3333
target remote :3333
set remote hardware-watchpoint-limit 2
mon reset halt
flushregs
thb app_main
c
启动GDB调试，成功，此时已经可以使用GDB调试了
PS F:\Espressif\frameworks\esp-idf-v4.4.3\workspace\hello_world> riscv32-esp-elf-gdb -x gdbinit build/hello_world.elf
F:\Espressif\tools\riscv32-esp-elf\esp-2021r2-patch5-8.4.0\riscv32-esp-elf\bin\riscv32-esp-elf-gdb.exe: warning: Couldn't determine a path for the index cache directory.
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Reading symbols from build/hello_world.elf...
0x40000000 in ?? ()
JTAG tap: esp32c3.cpu tap/device found: 0x00005c25 (mfg: 0x612 (Espressif Systems), part: 0x0005, ver: 0x0)
Reset cause (3) - (Software core reset)
Hardware assisted breakpoint 1 at 0x42005eee: file F:/Espressif/frameworks/esp-idf-v4.4.3/workspace/hello_world/main/hello_world_main.c, line 17.
[New Thread 1070136696]
[New Thread 1070130304]
[Switching to Thread 1070134812]
Thread 1 "main" hit Temporary breakpoint 1, app_main () at F:/Espressif/frameworks/esp-idf-v4.4.3/workspace/hello_world/main/hello_world_main.c:17
17 {
(gdb)
OpenOCD可以看到GDB连接后的行为
Info : accepting 'gdb' connection on tcp/3333
Memory protection is enabled. Reset target to disable it...
Info : JTAG tap: esp32c3.cpu tap/device found: 0x00005c25 (mfg: 0x612 (Espressif Systems), part: 0x0005, ver: 0x0)
Info : Reset cause (3) - (Software core reset)
Warn : No symbols for FreeRTOS!
Info : [esp32c3] Found 8 triggers
Info