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add some useful scripts
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Oliver Bell committed
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@@ -61,3 +61,4 @@ Temporary Items
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build
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tools/agbcc
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sound/songs/midi/*.s
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/ctx.c
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Executable
+158
@@ -0,0 +1,158 @@
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#!/usr/bin/perl
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# Usage:
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# calcrom.pl <mapfile> [--verbose]
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#
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# mapfile: path to .map file output by LD
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# verbose: set to get more detailed output
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use IPC::Cmd qw[ run ];
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use Getopt::Long;
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my $verbose = "";
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GetOptions("verbose" => \$verbose);
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(@ARGV == 1)
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or die "ERROR: no map file specified.\n";
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open(my $file, $ARGV[0])
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or die "ERROR: could not open file '$ARGV[0]'.\n";
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my $src = 0;
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my $asm = 0;
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my $srcdata = 0;
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my $data = 0;
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my @pairs = ();
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while (my $line = <$file>)
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{
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if ($line =~ /^ \.(\w+)\s+0x[0-9a-f]+\s+(0x[0-9a-f]+) build\/sa2\/(\w+)\/.+\.o/)
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{
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my $section = $1;
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my $size = hex($2);
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my $dir = $3;
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my $basename = $4;
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if ($size & 3)
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{
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$size += 4 - ($size % 3);
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}
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if ($section =~ /text/)
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{
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if ($dir eq 'src')
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{
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$src += $size;
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}
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elsif ($dir eq 'asm')
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{
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if (!($basename =~ /(crt0|libagbsyscall|libgcnmultiboot|m4a_1)/))
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{
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push @pairs, [$basename, $size];
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}
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$asm += $size;
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}
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}
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elsif ($section =~ /rodata/)
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{
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if ($dir eq 'src')
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{
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$srcdata += $size;
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}
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elsif ($dir eq 'data')
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{
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if ($basename =~ /(strings)/)
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{
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$srcdata += $size;
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}
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else {
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$data += $size;
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}
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}
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}
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}
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}
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my @sorted = sort { $a->[1] <=> $b->[1] } @pairs;
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# Note that the grep filters out all branch labels. It also requires a minimum
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# line length of 5, to filter out a ton of generated symbols (like AcCn). No
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# settings to nm seem to remove these symbols. Finally, nm prints out a separate
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# entry for whenever a name appears in a file, not just where it's defined. uniq
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# removes all the duplicate entries.
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#
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#
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# You'd expect this to take a while, because of uniq. It runs in under a second,
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# though. Uniq is pretty fast!
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my $base_cmd = "nm sa2.elf | awk '{print \$3}' | grep '^[^_].\\{4\\}' | uniq";
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# This looks for Unknown_, Unknown_, or sub_, followed by just numbers. Note that
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# it matches even if stuff precedes the unknown, like sUnknown/gUnknown.
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my $undoc_cmd = "grep '[Uu]nk_[0-9a-fA-F]*\\|sub_[0-9a-fA-F]*'";
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my $count_cmd = "wc -l";
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# It sucks that we have to run this three times, but I can't figure out how to get
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# stdin working for subcommands in perl while still having a timeout. It's decently
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# fast anyway.
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my $total_syms_as_string;
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(run (
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command => "$base_cmd | $count_cmd",
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buffer => \$total_syms_as_string,
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timeout => 60
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))
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or die "ERROR: Error while getting all symbols: $?";
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my $undocumented_as_string;
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(run (
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command => "$base_cmd | $undoc_cmd | $count_cmd",
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buffer => \$undocumented_as_string,
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timeout => 60
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))
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or die "ERROR: Error while filtering for undocumented symbols: $?";
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# Performing addition on a string converts it to a number. Any string that fails
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# to convert to a number becomes 0. So if our converted number is 0, but our string
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# is nonzero, then the conversion was an error.
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my $undocumented = $undocumented_as_string + 0;
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(($undocumented != 0) and ($undocumented_as_string ne "0"))
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or die "ERROR: Cannot convert string to num: '$undocumented_as_string'";
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my $total_syms = $total_syms_as_string + 0;
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(($total_syms != 0) and ($total_syms_as_string ne "0"))
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or die "ERROR: Cannot convert string to num: '$total_syms_as_string'";
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($total_syms != 0)
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or die "ERROR: No symbols found.";
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my $total = $src + $asm;
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my $srcPct = sprintf("%.4f", 100 * $src / $total);
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my $asmPct = sprintf("%.4f", 100 * $asm / $total);
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my $documented = $total_syms - ($undocumented);
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my $docPct = sprintf("%.4f", 100 * $documented / $total_syms);
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my $undocPct = sprintf("%.4f", 100 * $undocumented / $total_syms);
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print "$total total bytes of code\n";
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print "$src bytes of code in src ($srcPct%)\n";
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print "$asm bytes of code in asm ($asmPct%)\n";
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print "\n";
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if ($verbose != 0)
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{
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print "BREAKDOWN\n";
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foreach my $item (@sorted)
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{
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print " $item->[1] bytes in asm/$item->[0].s\n"
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}
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print "\n";
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}
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print "$total_syms total symbols\n";
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print "$documented symbols documented ($docPct%)\n";
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print "$undocumented symbols undocumented ($undocPct%)\n";
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print "\n";
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my $dataTotal = $srcdata + $data;
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my $srcDataPct = sprintf("%.4f", 100 * $srcdata / $dataTotal);
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my $dataPct = sprintf("%.4f", 100 * $data / $dataTotal);
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print "$dataTotal total bytes of data\n";
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print "$srcdata bytes of data in src ($srcDataPct%)\n";
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print "$data bytes of data in data ($dataPct%)\n";
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@@ -0,0 +1,59 @@
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import glob
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import itertools as it
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from graphlib import TopologicalSorter
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import sys
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if sys.argv[1] == '-e':
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excluded = sys.argv[1:]
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depends_on = {}
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data = {}
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def search_directories(*patterns):
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return it.chain.from_iterable(glob.iglob(pattern,recursive=True) for pattern in patterns)
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for filename in search_directories('./src/**/*.h', './include/**/*.h'):
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with open(filename) as header:
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header_name = filename.split('/')[-1]
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if "gba/" in filename:
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header_name = "gba/" + header_name
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if not header_name in depends_on:
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depends_on[header_name] = set()
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if not header_name.startswith("gba/") and header_name != "global.h" and header_name != "functions.h":
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depends_on[header_name].add("global.h")
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if header_name.startswith("gba/") and not header_name.endswith("types.h") and not header_name.endswith("defines.h"):
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depends_on[header_name].add("gba/types.h")
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if header_name.startswith("gba/") and not header_name.endswith("multiboot.h") and not header_name.endswith("types.h"):
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depends_on[header_name].add("gba/multiboot.h")
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data[header_name] = ""
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for line in header.readlines():
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if "#include" in line and not line.startswith("//") and '<' not in line:
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requires = line.split('"')[1]
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depends_on[header_name].add(requires)
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continue
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data[header_name] += line
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data[header_name] += "\n"
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ts = TopologicalSorter(depends_on)
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print_order = tuple(ts.static_order())
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with open('ctx.c', 'w') as context:
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for header in print_order:
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exclude = False
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for e in excluded:
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if e in header:
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exclude = True
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break
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if not exclude:
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print(header)
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context.write(data[header])
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