3 # perl replacement of genmdesc.c for use when cross-compiling
8 # must keep in sync with mini.h
9 my @spec_names = qw(dest src1 src2 src3 len clob);
10 sub INST_DEST () {return 0;}
11 sub INST_SRC1 () {return 1;}
12 sub INST_SRC2 () {return 2;}
13 sub INST_SRC3 () {return 3;}
14 sub INST_LEN () {return 4;}
15 sub INST_CLOB () {return 5;}
16 sub INST_MAX () {return 6;}
18 # this must include all the #defines used in mini-ops.h
19 my @defines = qw (__i386__ __x86_64__ __ppc__ __powerpc__ __ppc64__ __arm__
20 __sparc__ sparc __s390__ s390 __ia64__ __alpha__ __mips__);
22 my %template_table =();
27 my ($define, $file) = @_;
30 open (OPS, $file) || die "Cannot open $file: $!";
32 if (/^\s*#\s*if\s+(.*)/) {
34 die "fix the genmdesc.pl cpp parser to handle all operators" if /(&&)|([!<>=])/;
35 unshift @enabled, scalar ($defines =~ /defined\s*\(\s*$define\s*\)/);
38 if (/^\s*#\s*ifdef\s+(\S+)/) {
40 unshift @enabled, $defines eq $define;
43 if (/^\s*#\s*endif/) {
47 next unless $enabled [0];
48 next unless /MINI_OP3?\s*\(\s*(\S+?)\s*,\s*"(.*?)"/;
49 my ($sym, $name) = ($1, $2);
50 push @opcodes, [$sym, $name];
51 $table{$name} = {num => $i, name => $name};
59 my ($srcdir, $arch) = @_;
60 my $opcodes_def = "$srcdir/../cil/opcode.def";
64 my $cpp = $ENV{"CPP"};
65 $cpp = "cpp" unless defined $cpp;
69 $arch_found = 1 if $arch eq $_;
71 die "$arch arch is not supported.\n" unless $arch_found;
73 my $arch_define = $arch;
74 if ($arch =~ "__i386__") {
75 $arch_define = "TARGET_X86";
77 if ($arch =~ " __x86_64__") {
78 $arch_define = "TARGET_AMD64";
80 if ($arch =~ "__arm__") {
81 $arch_define = "TARGET_ARM";
84 parse_file ($arch_define, "$srcdir/mini-ops.h");
86 $cpp .= " -D$arch_define $srcdir/mini-ops.h|";
87 #print "Running: $cpp\n";
88 open (OPS, $cpp) || die "Cannot execute cpp: $!";
90 next unless /MINI_OP3?\s*\(\s*(\S+?)\s*,\s*"(.*?)"/;
91 my ($sym, $name) = ($1, $2);
92 push @opcodes, [$sym, $name];
93 $table{$name} = {num => $i, name => $name};
104 open (DESC, $name) || die "Cannot open $name: $!";
113 my @values = split (/\s+/);
114 next unless ($values [0] =~ /(\S+?):/);
117 if ($name eq "template") {
121 $desc = $table {$name};
122 die "Invalid opcode $name at line $line\n" unless defined $desc;
123 die "Duplicated opcode $name at line $line\n" if $desc->{"desc"};
126 $desc->{"desc"} = $_;
127 $desc->{"comment"} = $comment;
128 $desc->{"spec"} = {};
130 #print "values for $name: " . join (' ', @values) . " num: " . int(@values), "\n";
131 for my $val (@values) {
132 if ($val =~ /(\S+):(.*)/) {
134 die "name tag only valid in templates at line $line\n" unless $is_template;
135 die "Duplicated name tag in template $desc->{'name'} at line $line\n" if defined $desc->{'name'};
136 die "Duplicated template $2 at line $line\n" if defined $template_table {$2};
137 $desc->{'name'} = $2;
138 $template_table {$2} = $desc;
139 } elsif ($1 eq "template") {
140 my $tdesc = $template_table {$2};
141 die "Invalid template name $2 at line $line\n" unless defined $tdesc;
142 $desc->{"spec"} = {%{$tdesc->{"spec"}}};
144 $desc->{"spec"}->{$1} = $2;
148 die "Template without name at line $1" if ($is_template && !defined ($desc->{'name'}));
157 foreach (@spec_names) {
158 my $val = $spec->{$_};
165 #print "vals: " . join (' ', @vals) . "\n";
167 for (my $i = 0; $i < @vals; ++$i) {
168 if (defined $vals [$i]) {
169 if ($i == INST_LEN) {
170 $res .= sprintf ("\\x%x\" \"", +$vals [$i]);
172 if ($vals [$i] =~ /^[a-zA-Z0-9]$/) {
175 $res .= sprintf ("\\x%x\" \"", $vals [$i]);
186 my ($fname, $name) = @_;
189 my $idx_array = "const guint16 ${name}_idx [] = {\n";
191 open (OUT, ">$fname") || die "Cannot open file $fname: $!";
192 print OUT "/* File automatically generated by genmdesc, don't change */\n\n";
193 print OUT "const char $name [] = {\n";
194 print OUT "\t\"" . ("\\x0" x INST_MAX) . "\"\t/* null entry */\n";
197 for ($i = 0; $i < @opcodes; ++$i) {
198 my $name = $opcodes [$i]->[1];
199 my $desc = $table {$name};
200 my $spec = $desc->{"spec"};
203 print OUT build_spec ($spec);
204 print OUT "\"\t/* $name */\n";
205 my $pos = $idx * INST_MAX;
206 $idx_array .= "\t$pos,\t/* $name */\n";
209 $idx_array .= "\t0,\t/* $name */\n";
213 print OUT "$idx_array};\n\n";
218 die "genmdesc.pl arch srcdir output name desc [desc2 ...]\n";
221 my $arch = shift || usage ();
222 my $srcdir = shift || usage ();
223 my $output = shift || usage ();
224 my $name = shift || usage ();
225 usage () unless @ARGV;
228 load_opcodes ($srcdir, $arch);
229 foreach my $file (@files) {
232 build_table ($output, $name);