| 1 | # -*- perl -*- |
| 2 | |
| 3 | package Midas::Preprocess; |
| 4 | use strict; |
| 5 | use warnings; |
| 6 | |
| 7 | use IO::File; |
| 8 | use File::Temp 'tempfile'; |
| 9 | use File::Copy; |
| 10 | |
| 11 | use Midas::Command; |
| 12 | use Midas::Paths; |
| 13 | use Midas::Section; |
| 14 | use Midas::MMU; |
| 15 | use Midas::Configure; |
| 16 | use Midas::State; |
| 17 | use Midas::Globals; |
| 18 | use Midas::Error; |
| 19 | |
| 20 | require Exporter; |
| 21 | |
| 22 | our @ISA = qw(Exporter); |
| 23 | our @EXPORT = qw(preprocess); |
| 24 | our @EXPORT_OK = qw(); |
| 25 | our %EXPORT_TAGS = ( |
| 26 | all => [qw( |
| 27 | preprocess |
| 28 | run_cpp |
| 29 | run_m4 |
| 30 | get_includes |
| 31 | get_cpp_includes |
| 32 | get_m4_includes |
| 33 | ), |
| 34 | ], |
| 35 | internals => [qw( |
| 36 | get_includes |
| 37 | get_cpp_includes |
| 38 | get_m4_includes |
| 39 | ), |
| 40 | ], |
| 41 | ); |
| 42 | |
| 43 | Exporter::export_ok_tags('all', 'internals'); |
| 44 | |
| 45 | ############################################################################## |
| 46 | |
| 47 | # Perform both cpp and m4 preprocessing |
| 48 | |
| 49 | ############################################################################## |
| 50 | |
| 51 | sub preprocess { |
| 52 | my $sfile = shift; |
| 53 | my $cppfile = shift; |
| 54 | my $m4file = shift; |
| 55 | |
| 56 | banner "PREPROCESSING PHASE"; |
| 57 | |
| 58 | my $pushd = Midas::Paths->pushd($STATE->get_build_dir); |
| 59 | |
| 60 | $m4file = path_to_build_file($CONFIG{local_m4}, $STATE) |
| 61 | unless defined $m4file; |
| 62 | |
| 63 | if(exists $CONFIG{ttefmt} and defined $CONFIG{ttefmt}) { |
| 64 | my $ttefmt = uc $CONFIG{ttefmt}; |
| 65 | add_cpp_defines( |
| 66 | "$ttefmt=1", |
| 67 | ); |
| 68 | } |
| 69 | |
| 70 | run_cpp($sfile, $cppfile); |
| 71 | run_m4($cppfile, $m4file); |
| 72 | |
| 73 | } |
| 74 | |
| 75 | ############################################################################## |
| 76 | |
| 77 | sub get_includes { |
| 78 | my $include_hash = shift; |
| 79 | |
| 80 | my $pushd = Midas::Paths->pushd($STATE->get_build_dir); |
| 81 | |
| 82 | my %roothash = ( |
| 83 | diagroot => $STATE->get_diag_root(), |
| 84 | startdir => $STATE->get_start_dir(), |
| 85 | builddir => $STATE->get_build_dir(), |
| 86 | abs => '/', |
| 87 | ); |
| 88 | |
| 89 | my @root_order = qw(builddir startdir diagroot abs); |
| 90 | |
| 91 | my @incs; |
| 92 | foreach my $root (@root_order) { |
| 93 | next unless exists $include_hash->{$root}; |
| 94 | fatal "Unknown include root $root in includes\n", M_DIR |
| 95 | unless exists $roothash{$root}; |
| 96 | |
| 97 | my $rootpath = $roothash{$root}; |
| 98 | foreach my $dir (@{$include_hash->{$root}}) { |
| 99 | my $path = File::Spec->catdir($rootpath, |
| 100 | split /\//, $dir); |
| 101 | push @incs, $path; |
| 102 | } |
| 103 | } |
| 104 | return @incs; |
| 105 | |
| 106 | } |
| 107 | |
| 108 | ############################################################################## |
| 109 | |
| 110 | sub get_cpp_includes { |
| 111 | return get_includes($CONFIG{cpp_includes}); |
| 112 | } |
| 113 | |
| 114 | ############################################################################## |
| 115 | |
| 116 | sub get_m4_includes { |
| 117 | return get_includes($CONFIG{m4_includes}); |
| 118 | } |
| 119 | |
| 120 | ############################################################################## |
| 121 | |
| 122 | # Use cpp to convert from assembly file to .cpp file |
| 123 | |
| 124 | ############################################################################## |
| 125 | |
| 126 | sub run_cpp { |
| 127 | my $sfile = shift; |
| 128 | my $cppfile = shift; |
| 129 | |
| 130 | my $pushd = Midas::Paths->pushd($STATE->get_build_dir); |
| 131 | |
| 132 | $sfile = path_to_build_file($CONFIG{local_s}, $STATE) |
| 133 | unless defined $sfile; |
| 134 | $cppfile = path_to_build_file($CONFIG{local_cpp}, $STATE) |
| 135 | unless defined $cppfile; |
| 136 | |
| 137 | local ($_); |
| 138 | # Don't compact path, b/c we want full path for standard includes |
| 139 | my @incs = map { "-I$_" } get_cpp_includes(); |
| 140 | my @defs = map { "-D$_" } @{$CONFIG{'cpp_defines'}}; |
| 141 | |
| 142 | my $need_space = (scalar @incs and scalar @defs) ? ' ' : ''; |
| 143 | |
| 144 | my $mmu_argstring = ''; |
| 145 | my @mmu_args = @{$STATE->get_mmu()->mmu_cpp_args()}; |
| 146 | if(@mmu_args) { |
| 147 | |
| 148 | $mmu_argstring .= ' ' . join ' ', @mmu_args; |
| 149 | } |
| 150 | |
| 151 | my $arglist = |
| 152 | (join ' ', @{$CONFIG{cpp_opt}}) . ' ' . |
| 153 | (join ' ', @incs ) . $need_space . |
| 154 | (join ' ', @defs) . $mmu_argstring; |
| 155 | run_command("$CONFIG{cpp_cmd} $arglist $sfile > $cppfile", |
| 156 | -errcode => M_CPPFAIL); |
| 157 | } |
| 158 | |
| 159 | ############################################################################## |
| 160 | |
| 161 | # Take output of cpp and run through m4. |
| 162 | |
| 163 | ############################################################################## |
| 164 | |
| 165 | sub run_m4 { |
| 166 | my $cppfile = shift; |
| 167 | my $m4file = shift; |
| 168 | |
| 169 | my $pushd = Midas::Paths->pushd($STATE->get_build_dir); |
| 170 | |
| 171 | $cppfile = path_to_build_file($CONFIG{local_cpp}, $STATE) |
| 172 | unless defined $cppfile; |
| 173 | $m4file = path_to_build_file($CONFIG{local_m4}, $STATE) |
| 174 | unless defined $m4file; |
| 175 | |
| 176 | local ($_); |
| 177 | # Don't compact path, b/c we want full path for standard includes |
| 178 | my @incs = map { "--include=$_" } get_m4_includes(); |
| 179 | my $arglist = |
| 180 | (join ' ', @{$CONFIG{m4_opt}}) . ' '. |
| 181 | (join ' ', @incs); |
| 182 | run_command("$CONFIG{m4_cmd} $arglist < $cppfile | $CONFIG{cat_cmd} --squeeze-blank > $m4file", |
| 183 | -errcode => M_M4FAIL |
| 184 | ); |
| 185 | |
| 186 | } |
| 187 | |
| 188 | ############################################################################## |
| 189 | 1; |