57 lines
2.0 KiB
Nix
57 lines
2.0 KiB
Nix
{ fetchurl, linuxPackages, makeWrapper, runCommand, fetchgit
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, elfutils, pkgconfig, gettext, stow, gnumake }:
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let
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## fetchgit info
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url = git://sourceware.org/git/systemtap.git;
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rev = "51b7cae3023adf137081059c7cc44a13f652ba4c";
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sha256 = "18m3lf11r99f4yr1m172548lghc0i22zqbys1fwlwakbczz0a2lz";
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inherit (linuxPackages) kernel;
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version = kernel.stdenv.lib.substring 0 6 rev;
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## stap binaries
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stapBuild = kernel.stdenv.mkDerivation {
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name = "systemtap-${version}";
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src = fetchgit { inherit url rev sha256; };
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buildInputs = [ elfutils pkgconfig gettext ];
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enableParallelBuilding = true;
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};
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## a kernel build dir as expected by systemtap
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kernelBuildDir = runCommand "kbuild-${kernel.version}-merged" {
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buildInputs = [ stow ];
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} ''
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mkdir -p $out
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stowFrom () {
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D="$(dirname $1)"
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P="$(basename $1)"
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shift
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stow -d $D -t $out -v "$@" -S $P
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}
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stowFrom ${kernel.dev}/lib/modules/${kernel.modDirVersion}/build --ignore=source
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ln -s ${kernel.dev}/vmlinux $out/vmlinux
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ln -s ${kernel}/System.map $out/System.map
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ln -s ${kernel.dev}/lib/modules/${kernel.modDirVersion}/source $out/source
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'';
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in runCommand "systemtap-${kernel.version}-${version}" {
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inherit stapBuild kernelBuildDir;
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buildInputs = [ makeWrapper ];
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meta = with kernel.stdenv.lib; {
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homepage = https://sourceware.org/systemtap/;
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repositories.git = git://sourceware.org/git/systemtap.git;
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description = "SystemTap provides a simple command line interface and scripting language for writing instrumentation for a live running kernel plus user-space applications.";
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license = licenses.gpl2;
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platforms = platforms.linux;
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};
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} ''
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mkdir -p $out/bin
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for bin in $stapBuild/bin/*; do # hello emacs */
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ln -s $bin $out/bin/$(basename $bin)
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done
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rm $out/bin/stap
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makeWrapper $stapBuild/bin/stap $out/bin/stap \
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--add-flags "-r $kernelBuildDir" \
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--prefix PATH : ${kernel.stdenv.cc.cc}/bin:${elfutils}/bin:${gnumake}/bin
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''
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