RISC-V向けのクロスのgdbのビルド

準備

ubuntu 22.04 aarch64 を使っています。

$ sudo apt build-dep gdb
$ wget https://ftp.jaist.ac.jp/pub/GNU/gdb/gdb-12.1.tar.xz
$ tar xf gdb-12.1.tar.xz 
$ cd gdb-12.1/

ビルド

$ mkdir obj
$ cd obj
$ ../configure --target=riscv64-linux-musl
$ make -j4

インストール

$ sudo make install
$ which riscv64-linux-musl-gdb
/usr/local/bin/riscv64-linux-musl-gdb

$ riscv64-linux-musl-gdb -v
GNU gdb (GDB) 12.1
Copyright (C) 2022 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

関連

https://zenn.dev/tetsu_koba/articles/d7a7276eb5c328