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|
#!/usr/bin/perl
#
# Copyright 2007 Matthias Hopf <mhopf@suse.de>
#
# AtomBIOS disassembler + data structure dumper
#
# datastructs_factory.pl:
# Datastruct dumper generator (using atombios.h).
#
# License: GPL Version 2.0
# License of generated code: Same as license of input source (atombios.h)
#
while (<>) {
$l++;
next if /^#/;
if (/^\s*typedef\s+(struct|union)\s+_(\w+)/) {
$t = $1;
$tv= $t eq "union" ? "(union) " : "";
$s = $2;
print STDERR " $t $2\n";
print "int ${s}_dumper (uint8_t *start, uint8_t *data, int indent) {\n";
print " $s *d = ($s *) data;\n";
print " int i;\n";
print " if (d) {\n";
while (<>) {
$l++;
next if /^#/;
chomp;
s|\s*//.*||g;
next if /^\s*\{\s*$/ || /^\s*$/;
last if /\}/;
while (/\[([^\]]+)\]/g) {
$expr=$1;
if ($expr !~ /^\d+$/) {
print STDERR " Trying to evaluate $1...\n";
$res = eval $expr;
if (! defined $res) {
print STDERR " $@\n";
} else {
print STDERR " -> $res\n";
s/\[[^\]]+\]/[$res]/;
}
}
}
if (/^\s*(\w+)\s+(\w+)(\s*(:\d+))?(\s*\[(\d+)\])?\s*;/) {
$e = $1;
$n = $2;
$b = $4;
$a = $6;
if ($a == 0) {
$loop_dst = "d->$n";
$loop_beg = " printf (\"%s";
$loop_beg.= "%04x: " if $b eq "";
$loop_beg.= " " if $b ne "";
$loop_beg.= "$tv$e $n$b%s";
$loop_arg = ", IND(indent)";
$loop_arg.= ", (int)(((uint8_t*)&$loop_dst)-start)" if $b eq "";
$loop_arg.= ", FILL(".length($tv.$e.$n.$b).")";
$loop_end = "";
} else {
$loop_dst = "d->${n}[i]";
$loop_beg = " for (i = 0; i < $a; i++) {\n printf (\"%s";
$loop_beg.= "%04x: " if $b eq "";
$loop_beg.= " " if $b ne "";
$loop_beg.= "$tv$e $n$b%s [%d]";
$loop_arg = ", IND(indent)";
$loop_arg.= ", (int)(((uint8_t*)&$loop_dst)-start)" if $b eq "";
$loop_arg.= ", FILL(".(length($tv.$e.$n.$b)+4)."+(i>9)), i";
$loop_end = " }";
}
if ($e eq "UCHAR") {
print "$loop_beg = 0x%02x (%d)\\n\"$loop_arg, $loop_dst, $loop_dst);$loop_end\n";
} elsif ($e eq "USHORT") {
print "$loop_beg = 0x%04x (%d)\\n\"$loop_arg, $loop_dst, $loop_dst);$loop_end\n";
} elsif ($e eq "U16") {
print "$loop_beg = 0x%04x (%d)\\n\"$loop_arg, ($loop_dst.u[0])|(($loop_dst.u[1])<<8), ($loop_dst.u[0])|(($loop_dst.u[1])<<8));$loop_end\n";
} elsif ($e eq "U24") {
print "$loop_beg = 0x%06x (%d)\\n\"$loop_arg, ($loop_dst.u[0])|(($loop_dst.u[1])<<8)|(($loop_dst.u[2])<<16), ($loop_dst.u[0])|(($loop_dst.u[1])<<8)|(($loop_dst.u[2])<<16));$loop_end\n";
} elsif ($e eq "ULONG") {
print "$loop_beg = 0x%08x (%d)\\n\"$loop_arg, $loop_dst, $loop_dst);$loop_end\n";
} else {
if ($b ne "") {
s/"/''/g;
print " printf (\"%s <unparsable> line $l: $_\\n%sskipping...\\n\", IND(indent), IND(indent));\n";
last;
} else {
print "$loop_beg :\\n\"$loop_arg); ${e}_dumper (start, (uint8_t*) &$loop_dst, indent+1);$loop_end\n";
}
}
} else {
s/"/''/g;
print " printf (\"%s <unparsable> line $l: $_\\n%sskipping...\\n\", IND(indent), IND(indent));\n";
last;
}
}
print " }\n";
print " return sizeof ($s);\n}\n";
}
}
|
