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Diffstat (limited to 'src/build/tools/listdeps.pl')
| -rwxr-xr-x | src/build/tools/listdeps.pl | 389 |
1 files changed, 389 insertions, 0 deletions
diff --git a/src/build/tools/listdeps.pl b/src/build/tools/listdeps.pl new file mode 100755 index 000000000..b9c2f3675 --- /dev/null +++ b/src/build/tools/listdeps.pl @@ -0,0 +1,389 @@ +#!/usr/bin/perl +# IBM_PROLOG_BEGIN_TAG +# This is an automatically generated prolog. +# +# $Source: src/build/tools/listdeps.pl $ +# +# IBM CONFIDENTIAL +# +# COPYRIGHT International Business Machines Corp. 2013 +# +# p1 +# +# Object Code Only (OCO) source materials +# Licensed Internal Code Source Materials +# IBM HostBoot Licensed Internal Code +# +# The source code for this program is not published or otherwise +# divested of its trade secrets, irrespective of what has been +# deposited with the U.S. Copyright Office. +# +# Origin: 30 +# +# IBM_PROLOG_END_TAG +# +# 1. Create a hash with all library names and function names as the key-pair +# value. +# 2. Get a list of all undefined functions from the istep modules. +# 3. Figure out which libraries are required for each istep using the two lists +# above. +# +# NOTE: The script only checks the first level of dependency for each module. + +use strict; +use File::Find (); +use File::Path; +use Cwd; + +# validate the number of input args +if( $#ARGV == -1 || $#ARGV > 4 ) +{ + usage(); +} + +# return -1 if we fail validation, otherwise default to success +my $rc = 0; + +# directory where modules (.so's) are located, passed in from cmdline +my $image_directory = shift; + +if( $image_directory eq "-h" || $image_directory eq "--help") +{ + usage(); +} + +# the name of a specific module to check +my $module_to_check = ""; + +my $count = $#ARGV+2; + +# should we validate against the existing +# g_istepDep structure? +my $validate_deps = 0; + +# print out the depedancies for each module +my $print_deps = 0; + +# list all, event resident modules +my $list_all = 0; + +while ( $count ) +{ + $count--; + + my $arg = shift; + + next if( $arg eq "" ); + + if( $arg eq "-h" || $arg eq "--help") + { + usage(); + } + + if( $arg eq "-v" ) + { + $validate_deps = 1; + } + elsif( $arg eq "-p" ) + { + $print_deps = 1; + } + elsif( $arg eq "-All" ) + { + $list_all = 1; + } + else + { + $module_to_check = $arg; + } +} + +# dont allow a validation for list all option +if( $list_all && $validate_deps ) +{ + printf("\nSorry not able to validate non-istep modules please "); + printf("remove either the or the -All option and try again.\n\n"); + exit; +} + +# go to the image directory passed in +chdir "$image_directory"; + +my $module_name; +my $depends; +my %FunctionMap; + +#slurp in all the modules names from the img directory +my @module_names = < *.so >; + +# for each module, grab the defined functions and create a hash +# with the key being the function name and the value returned as the +# shared library where it is defined. +foreach $module_name (@module_names ) +{ + my @output = `ppc64-mcp6-nm -AD --defined-only $module_name`; + + chomp @output; + + foreach my $line (@output) + { + my @values = split(':', $line); + + my $library = $values[0]; + + @values = split( ' ' , $line ); + + my $function = $values[2]; + + %FunctionMap->{ $function } = $library; + } +} + +# if there was a library name passed in use that +# otherwise if they asked to list all dependencies +# then use the list we already created above, +# default is to the list required libs of istep modules +my @istep_modules = (); + +if( $module_to_check ) +{ + @istep_modules = ( $module_to_check ); +} +elsif ( $list_all ) +{ + @istep_modules = @module_names; +} +else +{ + @istep_modules = ( + "libslave_sbe.so", + "libnest_chiplets.so" , + "libedi_ei_initialization.so" , + "libactivate_powerbus.so" , + "libmc_config.so" , + "libdram_training.so" , + "libdram_initialization.so" , + "libsbe_centaur_init.so" , + "libdmi_training.so" , + "libbuild_winkle_images.so" , + "libcore_activate.so" , + "libestablish_system_smp.so" , + "libstart_payload.so" , + ); +} + +# list of libs which are not unloaded +my %resident_modules = ( + "libtargeting.so" => '1', + "libhwas.so" => '1' , + "libdevicefw.so" => '1', + "liberrl.so" => '1', + "libtrace.so" => '1', + "libvfs.so" => '1', + "libfapi.so" => '1', + "libecmddatabuffer.so" => '1', + "libpnor.so" => '1', + "libmbox.so" => '1', + "libinitservice.so" => '1', + "libistepdisp.so" => '1', + "libextinitsvc.so" => '1', + "libplat.so" => '1', + "libhwp.so" => '1', + "libbus_training.so" => '1', + "libintr.so" => '1', + "libprdf.so" => '1', + "libmdia.so" => '1', + "libattn.so" => '1', + "libi2c.so" => '1', + +); + +# has with library to istep list file were the DepMod array is kept +my %istepFiles = ( + "libslave_sbe.so" => "istep06list.H" , + "libnest_chiplets.so" => "istep07list.H" , + "libedi_ei_initialization.so" => "istep08list.H" , + "libactivate_powerbus.so" => "istep09list.H" , + "libsbe_centaur_init.so" => "istep10list.H" , + "libdmi_training.so" => "istep11list.H" , + "libmc_config.so" => "istep12list.H" , + "libdram_training.so" => "istep13list.H" , + "libdram_initialization.so" => "istep14list.H" , + "libbuild_winkle_images.so" => "istep15list.H" , + "libcore_activate.so" => "istep16list.H" , + "libestablish_system_smp.so" => "istep18list.H" , + "libstart_payload.so" => "istep21list.H" , +); + +# array to hold list of dependent libraries +my @Dependencies; + +# hash to help with unique module names +my %seen = (); + +foreach my $module_name (@istep_modules ) +{ + if( $list_all ) + { + %seen = (); + } + else + { + %seen = %resident_modules; + } + + @Dependencies = (); + + # the library will have a dependency on itself + push(@Dependencies, $module_name); + + # get an array with all the undefined functions from this module + my @output = `ppc64-mcp6-nm --undefined-only $module_name`; + + chomp @output; + + foreach my $line (@output) + { + my @values = split( ' ' , $line ); + + my $elem = $values[1]; + + my $lib = %FunctionMap->{ $elem}; + + # if we have this module in our "seen it" array, just skip it + # otherwise we will add it as a new dependency + next if $seen{ $lib }++; + push @Dependencies, $lib; + + } + + # should we validate? + if( $validate_deps ) + { + validate( $module_name, %istepFiles->{$module_name} ); + } + + # does user want us to print the dependencies to the screen? + if( $print_deps ) + { + # print out the list of dependencies for this + # particular library + print ( "$module_name requires => \n"); + + foreach my $required_lib ( @Dependencies ) + { + $_ = $required_lib; + next if ( m/test/ ); + next if ( !m/lib/ ); + if( $list_all ) + { + # just print it for looking.. + print "\t\t$required_lib\n"; + } + else + { + #format so I can cut and paste + print "\t\tDEP_LIB($required_lib),\n"; + } + } + print "\n"; + } +} + +exit($rc); + +#/====================== S U B R O U T I N E S ===============================/ + +# validate the current dependencies for the passed in module name +# NOTE: the @Dependencies array is a global constructed above. +sub validate +{ + my @list = (); + + my ($module, $istepFile ) = @_; + + my $path = "../src/include/usr/isteps/"; + + my $file = $path . $istepFile; + + open FILE, "< $file" or die $!; + + # read the file one line at a time until we find the + # spot we are looking for + while(<FILE>) + { + my $line = $_; + next if ( !m/DEP_LIB/ ); + chomp($line); + $line =~ s/^\s*(.*?)\s*$/$1/; + $line =~s/DEP_LIB\(//; + $line =~s/\),//; + #print "$line\n"; + push( @list,$line); + # we are at the start of the dependencies list + # lets go into a new read till we find the closing + # bracket of the array; + while(<FILE>) + { + my $line = $_; + chomp($line); + last if( m/\}/ ); + $line =~ s/^\s*(.*?)\s*$/$1/; + $line =~s/DEP_LIB\(//; + $line =~s/\),//; + # print "$line\n"; + push( @list, $line ); + } + if( @list > 4 ) + { + print "\n-- WARNING -- too many dependencies listed (MAX=4) in"; + print " src/include/usr/isteps/$istepFile\n\n"; + } + } + + # ok we have a list of dependencys from the actual istepXXlist.H file + # convert array to a hash with the array elements as the hash keys, + # the value is not important, so I set them all to 1 + my %ListedDeps = map {$_ => 1} @list; + + foreach my $match ( @Dependencies ) + { + # check if the there exists a match + if ( !(defined $ListedDeps{$match}) && ($match) && + !(defined $resident_modules{ $match } ) ) + { + print "$module is MISSING DEPENDENCY $match\n"; + print "\nplease add \"DEP_LIB($match),\""; + print " to src/include/usr/isteps/$istepFile\n\n"; + $rc = -1; + } + } + + close FILE; +} + +# the help text +sub usage +{ + print "Usage:\n"; + print "\t$0 <path> [ module to check ]\n\n"; + + print "Example: to list all istep modules and dependencies.\n"; + print "\n\t$0 ~/my-hostboot-repo/img -p \n\n"; + + print "Example: to validate all istep modules and top level dependencies.\n"; + print "\n\t$0 ~/my-hostboot-repo/img -v \n\n"; + + + print "Example: to list the dependencies for a specific module.\n"; + print "\n\t$0 ~/my-hostboot-repo/img libslave_sbe.so \n\n"; + + print "-v will validate existing istep dependencies\n"; + print "-p will print dependency requirements\n"; + print "-All will print all dependency requirements (not just istep modules)\n"; + print "requires the -p option.\n\n"; + + exit 0; +} + + |
