add esp-idf tooling

xtensa-esp-elf-gdb.nix

@@ -0,0 +1,43 @@
+{
+  pkgs,
+  pkgs-python,
+  system,
+}: let
+  systems_table = {
+    "x86_64-linux" = {
+      system = "x86_64-linux-gnu";
+      hash = "sha256:0g9lk7snccn5464fs1mpyhylmvra0bvn6icqpbsxgixis94l6xqq";
+    };
+  };
+  system_download = systems_table.${system};
+in
+  pkgs.stdenv.mkDerivation rec {
+    pname = "xtensa-esp-elf-gdb";
+    version = "15.2_20241112";
+    src =
+      builtins.fetchurl
+      {
+        url = "https://github.com/espressif/binutils-gdb/releases/download/esp-gdb-v${version}/${pname}-${version}-${system_download.system}.tar.gz";
+        sha256 = system_download.hash;
+      };
+
+    preferLocalBuild = true;
+
+    nativeBuildInputs = with pkgs; [
+      autoPatchelfHook
+    ];
+
+    buildInputs = with pkgs; [
+      pkgs-python."3.8"
+      pkgs-python."3.9"
+      pkgs-python."3.10"
+      pkgs-python."3.11"
+      pkgs-python."3.12"
+      pkgs-python."3.13"
+    ];
+
+    installPhase = ''
+      mkdir -p "$out"
+      cp -R ./{bin,lib} "$out"
+    '';
+  }