gdbcmds

# ESP8266 HW limits the number of breakpoints/watchpoints
set remote hardware-breakpoint-limit 1
set remote hardware-watchpoint-limit 1
# Some GDBstub settings
set remote interrupt-on-connect on
set remote kill-packet off
set remote symbol-lookup-packet off
set remote verbose-resume-packet off
# The memory map, so GDB knows where it can install SW breakpoints
mem 0x20000000 0x3fefffff ro cache
mem 0x3ff00000 0x3fffffff rw
mem 0x40000000 0x400fffff ro cache
mem 0x40100000 0x4013ffff rw cache
mem 0x40140000 0x5fffffff ro cache
mem 0x60000000 0x60001fff rw
# Change the following to your sketch's ELF file
file /path/to/sketch.ino.elf
# Change the following to your serial port and baud
set serial baud 115200
target remote /dev/ttyUSB0