GDB Server for interacting with RISC-V models, boards and FPGAs
This repository is part of the complete Embecosm RISCV tool chain.
This tool should be built using the scripts in the RISCV tool chain repo. Check that out using:
git clone https://github.com/embecosm/riscv-toolchain.git
or if you have write permission to the repo, you can use SSH:
git clone [email protected]:embecosm/riscv-toolchain.git
Then follow the instructions in the README for that repo. If you wish to just
build the gdbserver, then you can disentangle the individual commands from the
scripts in the riscv-toolchain repo.
Start the riscv-gdbserver, specifying the core to use and the port on which to connect:
riscv-gdbserver -c ri5cy 51000
In a separate terminal, invoke gdb with the binary you wish to run:
riscv32-unknown-elf-gdb dhry.elf
At the gdb prompt, enter the following:
target remote :51000
load
display /i $pc
stepi
This connects to the gdbserver, loads the dhry.elf binary and executes the
first instruction.
You can now continue stepping through with the stepi command.
To see the RSP packets being sent and received, type the following at the gdb prompt:
set debug remote 1
If you wish to set a breakpoint at main and continue until you hit it:
break main
continue
After the breakpoint has been hit, you can continue running until the end of
the program or just do further stepi commands first.
Since this is being developed from the ground up, it does not yet have a doc directory. It will be added in the future