push sheeet

pkgs/development/tools/analysis/rr/default.nix

@@ -0,0 +1,118 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  bash,
+  capnproto,
+  cmake,
+  gdb,
+  libpfm,
+  makeWrapper,
+  nix-update-script,
+  pkg-config,
+  procps,
+  python3,
+  which,
+  zlib,
+  zstd,
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  version = "5.9.0";
+  pname = "rr";
+
+  src = fetchFromGitHub {
+    owner = "rr-debugger";
+    repo = "rr";
+    rev = finalAttrs.version;
+    hash = "sha256-o+HXrgGXdsvjlNh70qsXRtp2yXOiZIT30ejfs1KEaqE=";
+  };
+
+  postPatch = ''
+    substituteInPlace src/Command.cc --replace '_BSD_SOURCE' '_DEFAULT_SOURCE'
+    patchShebangs src
+  '';
+
+  # With LTO enabled, linking fails with the following message:
+  #
+  # src/AddressSpace.cc:1666: undefined reference to `rr_syscall_addr'
+  # ld.bfd: bin/rr: hidden symbol `rr_syscall_addr' isn't defined
+  # ld.bfd: final link failed: bad value
+  # collect2: error: ld returned 1 exit status
+  #
+  # See also https://github.com/NixOS/nixpkgs/pull/110846
+  preConfigure = ''
+    substituteInPlace CMakeLists.txt --replace "-flto" ""
+  '';
+
+  strictDeps = true;
+
+  nativeBuildInputs = [
+    capnproto
+    cmake
+    makeWrapper
+    pkg-config
+    python3.pythonOnBuildForHost
+    which
+  ];
+
+  buildInputs = [
+    bash
+    capnproto
+    gdb
+    libpfm
+    procps
+    python3
+    zlib
+    zstd
+  ];
+
+  cmakeFlags = [
+    (lib.cmakeBool "disable32bit" true)
+    (lib.cmakeBool "BUILD_TESTS" finalAttrs.finalPackage.doCheck)
+  ];
+
+  # we turn on additional warnings due to hardening
+  env.NIX_CFLAGS_COMPILE = "-Wno-error";
+
+  hardeningDisable = [ "fortify" ];
+
+  # FIXME
+  doCheck = false;
+
+  preCheck = "export HOME=$TMPDIR";
+
+  # needs GDB to replay programs at runtime
+  preFixup = ''
+    wrapProgram "$out/bin/rr" \
+      --prefix PATH ":" "${lib.makeBinPath [ gdb ]}";
+  '';
+
+  passthru.updateScript = nix-update-script { };
+
+  meta = {
+    homepage = "https://rr-project.org/";
+    description = "Records nondeterministic executions and debugs them deterministically";
+    longDescription = ''
+      rr aspires to be your primary debugging tool, replacing -- well,
+      enhancing -- gdb. You record a failure once, then debug the
+      recording, deterministically, as many times as you want. Every
+      time the same execution is replayed.
+    '';
+
+    license = with lib.licenses; [
+      mit
+      bsd2
+    ];
+    maintainers = with lib.maintainers; [
+      pierron
+      thoughtpolice
+      lf-
+    ];
+    platforms = [
+      "aarch64-linux"
+      "i686-linux"
+      "x86_64-linux"
+    ];
+  };
+})

pkgs/development/tools/analysis/rr/zen_workaround.nix

@@ -0,0 +1,59 @@
+{
+  stdenv,
+  lib,
+  fetchpatch,
+  kernel,
+  rr,
+}:
+
+/*
+  The python script shouldn't be needed for users of this kernel module.
+  https://github.com/rr-debugger/rr/blob/master/scripts/zen_workaround.py
+  The module itself is called "zen_workaround" (a bit generic unfortunately).
+*/
+stdenv.mkDerivation {
+  pname = "rr-zen_workaround";
+
+  inherit (rr) src version;
+  sourceRoot = "${rr.src.name}/third-party/zen-pmu-workaround";
+  patches = [
+    (fetchpatch {
+      name = "kernel-6.16.patch";
+      url = "https://github.com/rr-debugger/rr/commit/86aa1ebe03c6a7f60eb65249233f866fd3da8316.diff";
+      stripLen = 2;
+      hash = "sha256-zj5MNwlZmWnagu0tE5Jl5a48wEF0lqNTh4KcbhmOkOo=";
+    })
+  ];
+
+  hardeningDisable = [ "pic" ];
+  nativeBuildInputs = kernel.moduleBuildDependencies;
+
+  makeFlags = [
+    "-C${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"
+  ];
+  postConfigure = ''
+    appendToVar makeFlags "M=$(pwd)"
+  '';
+  buildFlags = [ "modules" ];
+
+  installPhase =
+    let
+      modDestDir = "$out/lib/modules/${kernel.modDirVersion}/kernel"; # TODO: longer path?
+    in
+    ''
+      runHook preInstall
+      mkdir -p "${modDestDir}"
+      cp *.ko "${modDestDir}/"
+      find ${modDestDir} -name '*.ko' -exec xz -f '{}' \;
+      runHook postInstall
+    '';
+
+  meta = with lib; {
+    description = "Kernel module supporting the rr debugger on (some) AMD Zen-based CPUs";
+    homepage = "https://github.com/rr-debugger/rr/wiki/Zen#kernel-module";
+    license = licenses.gpl2;
+    maintainers = [ maintainers.vcunat ];
+    platforms = [ "x86_64-linux" ];
+    broken = versionOlder kernel.version "4.19"; # 4.14 breaks and 4.19 works
+  };
+}