# This script generates C code which emits assembler code for the
# assembler ir nodes. It takes a "emit" key from the node specification
# and substitutes lines starting with . with a corresponding fprintf().
-# Creation: 2005/11/07
use strict;
use Data::Dumper;
-use File::Basename;
-my $myname = $0;
our $specfile = $ARGV[0];
our $target_dir = $ARGV[1];
our $arch;
-our $comment_string = "/*";
-our $comment_string_end = "*/" ;
our %nodes;
-our $new_emit_syntax = 1;
-
-# include spec file
+our %emit_templates;
+our $finish_line_template = "be_emit_finish_line_gas(node);";
+our $indent_line_func;
my $return;
}
use strict "subs";
-if ($new_emit_syntax) {
- my $newscript = dirname($myname) . "/generate_emitter_new.pl";
- unless ($return = do "$newscript") {
- die "Fatal error: couldn't parse $newscript: $@" if $@;
- die "Fatal error: couldn't do $newscript: $!" unless defined $return;
- die "Fatal error: couldn't run $newscript" unless $return;
- }
- exit;
-}
-
-my $comment_string_quoted = quotemeta($comment_string);
-
my $target_c = $target_dir."/gen_".$arch."_emitter.c";
my $target_h = $target_dir."/gen_".$arch."_emitter.h";
my @obst_register; # stack for emitter register code
my $line;
+sub create_emitter {
+ my $result = shift;
+ my $indent = shift;
+ my $template = shift;
+ our %emit_templates;
+ our $arch;
+
+ if (!defined($indent_line_func)) {
+ $template = "\\t" . $template;
+ } else {
+ push(@{$result}, "${indent}${indent_line_func};\n");
+ }
+
+ my @tokens = ($template =~ m/(?:[^%]|%%)+|\%[a-zA-Z_][a-zA-Z0-9_]*|%\./g);
+ for (@tokens) {
+ SWITCH: {
+ if (/%\./) { last SWITCH; }
+ if (/^%([^%]+)/) {
+ if(defined($emit_templates{$1})) {
+ push(@{$result}, "${indent}$emit_templates{$1}\n");
+ } else {
+ print "Warning: No emit_template defined for '$1'\n";
+ push(@{$result}, "${indent}$1(node);\n");
+ }
+ last SWITCH;
+ }
+ $_ =~ s/%%/%/g;
+ if (length($_) == 1) {
+ push(@{$result}, "${indent}be_emit_char('$_');\n");
+ } else {
+ push(@{$result}, "${indent}be_emit_cstring(\"$_\");\n");
+ }
+ }
+ }
+ push(@{$result}, "${indent}${finish_line_template}\n");
+}
+
+
+
foreach my $op (keys(%nodes)) {
my %n = %{ $nodes{"$op"} };
# skip this node description if no emit information is available
next if (!defined($n{"emit"}));
- $line = "static void emit_".$arch."_".$op."(const ir_node *n, $arch\_emit_env_t *env)";
+ $line = "static void emit_${arch}_${op}(const ir_node *node)";
- push(@obst_register, " BE_EMIT($op);\n");
+ push(@obst_register, " ${arch}_register_emitter(op_${arch}_${op}, emit_${arch}_${op});\n");
if($n{"emit"} eq "") {
- push(@obst_func, $line." {\n");
+ push(@obst_func, $line."\n");
+ push(@obst_func, "{\n");
+ push(@obst_func, "\t(void) node;\n");
push(@obst_func, "}\n\n");
next;
}
- push(@obst_func, $line." {\n FILE *F = env->out;\n");
- push(@obst_func, " char cmd_buf[256], cmnt_buf[256];\n");
- push(@obst_func, " const lc_arg_env_t *arg_env = $arch\_get_arg_env();\n\n");
+ push(@obst_func, $line."\n");
+ push(@obst_func, "{\n");
+
my @emit = split(/\n/, $n{"emit"});
foreach my $template (@emit) {
# substitute only lines, starting with a '.'
- if ($template =~ /^(\d*)\.\s*/) {
- my $indent = " "; # default indent is 2 spaces
-
- $indent = " " x $1 if ($1 && $1 > 0);
- # remove indent, dot and trailing spaces
- $template =~ s/^\d*\.\s*//;
- my $fmt = $template;
- my $cnt = 0;
- my $buf = 'cmd_buf';
-
- push(@obst_func, $indent."cmnt_buf[0] = '\\0';\n");
- foreach $template (split(/$comment_string_quoted/, $fmt, 2)) {
- my @params;
- my $res = "";
- $cnt++;
-
- $template =~ s/(\\t)*$//;
-
- if ($cnt == 2) {
- # add the comment begin string
- $res .= $comment_string;
- $buf = "cmnt_buf";
- }
-
- # substitute all format parameter
- while ($template =~ /(\%\%)|\%([ASDX])(\d)|\%([COM])|\%(\w+)/) {
- $res .= $`; # get everything before the match
-
- if ($1) {
- $res .= "%%";
- }
- elsif ($2 && $2 eq "S") {
- push(@params, "n");
- $res .= "%".$3."S"; # substitute %Sx with %xS
- }
- elsif ($2 && $2 eq "D") {
- push(@params, "n");
- $res .= "%".$3."D"; # substitute %Dx with %xD
- }
- elsif ($2 && $2 eq "X") {
- push(@params, "n");
- $res .= "%".$3."X"; # substitute %Xx with %xX
- }
- elsif ($2 && $2 eq "A") {
- push(@params, "get_irn_n(n, ".($3 - 1).")");
- $res .= "%+F";
- }
- elsif ($4) {
- push(@params, "n");
- $res .= "%".$4;
- }
- elsif ($5) { # backend provided function to call, has to return a string
- push(@params, $5."(n, env)");
- $res .= "\%s";
- }
-
- $template = $'; # scan everything after the match
- }
- $res .= $template; # get the remaining string
-
- my $parm = "";
- $parm = ", ".join(", ", @params) if (@params);
-
- push(@obst_func, $indent.'lc_esnprintf(arg_env, '.$buf.', 256, "'.$res.'"'.$parm.');'."\n");
- }
- push(@obst_func, $indent.'lc_efprintf(arg_env, F, "\t%-35s %-60s '.$comment_string.' %+F (%+G) '.$comment_string_end.'\n", cmd_buf, cmnt_buf, n, n);'."\n");
- }
- else {
- push(@obst_func, $template,"\n");
+ if ($template eq '') {
+ # nothing
+ } elsif ($template =~ /^(\s*)\.\s*(.*)/) {
+ my $indent = "\t$1";
+ create_emitter(\@obst_func, $indent, $2);
+ } else {
+ push(@obst_func, "\t${arch}_emitf(node, \"$template\");\n");
}
}
push(@obst_func, "}\n\n");
}
-open(OUT, ">$target_h") || die("Fatal error: Could not open $target_h, reason: $!\n");
+open(OUT, ">$target_h") || die("Could not open $target_h, reason: $!\n");
my $creation_time = localtime(time());
#define FIRM_BE_${tmp}_GEN_${tmp}_EMITTER_H
#include "irnode.h"
-#include "$arch\_emitter.h"
+#include "${arch}_emitter.h"
-void $arch\_register_spec_emitters(void);
+void ${arch}_register_spec_emitters(void);
#endif
close(OUT);
-open(OUT, ">$target_c") || die("Fatal error: Could not open $target_c, reason: $!\n");
+open(OUT, ">$target_c") || die("Could not open $target_c, reason: $!\n");
$creation_time = localtime(time());
print OUT<<EOF;
/**
* \@file
- * \@brief Generated functions to emit code for assembler ir nodes.
- * \@note DO NOT EDIT THIS FILE, your changes will be lost.
- * Edit $specfile instead.
- * created by: $0 $specfile $target_dir
- * \@date $creation_time
+ * \@brief Generated functions to emit code for assembler ir nodes.
+ * \@note DO NOT EDIT THIS FILE, your changes will be lost.
+ * Edit $specfile instead.
+ * created by: $0 $specfile $target_dir
+ * \@date $creation_time
*/
#include "config.h"
#include <stdio.h>
+#include <assert.h>
#include "irnode.h"
#include "irop_t.h"
#include "irprog_t.h"
+#include "beemitter.h"
-#include "gen_$arch\_emitter.h"
-#include "$arch\_new_nodes.h"
+#include "gen_${arch}_emitter.h"
+#include "${arch}_new_nodes.h"
+#include "${arch}_emitter.h"
EOF
print OUT @obst_func;
print OUT<<EOF;
+
+typedef void (*emit_func)(const ir_node *node);
+
+static void ${arch}_register_emitter(ir_op *op, emit_func func)
+{
+ assert(op->ops.generic == NULL);
+ op->ops.generic = (op_func)func;
+}
+
/**
* Enters the emitter functions for handled nodes into the generic
* pointer of an opcode.
*/
-void $arch\_register_spec_emitters(void) {
-
-#define BE_EMIT(a) op_$arch\_##a->ops.generic = (op_func)emit_$arch\_##a
-
- /* generated emitter functions */
+void $arch\_register_spec_emitters(void)
+{
EOF
print OUT @obst_register;
print OUT<<EOF;
-
-#undef BE_EMIT
}
EOF
+++ /dev/null
-#!/usr/bin/perl -w
-
-#
-# Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
-#
-# This file is part of libFirm.
-#
-# This file may be distributed and/or modified under the terms of the
-# GNU General Public License version 2 as published by the Free Software
-# Foundation and appearing in the file LICENSE.GPL included in the
-# packaging of this file.
-#
-# Licensees holding valid libFirm Professional Edition licenses may use
-# this file in accordance with the libFirm Commercial License.
-# Agreement provided with the Software.
-#
-# This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
-# WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
-# PURPOSE.
-#
-
-# This script generates C code which emits assembler code for the
-# assembler ir nodes. It takes a "emit" key from the node specification
-# and substitutes lines starting with . with a corresponding fprintf().
-
-use strict;
-use Data::Dumper;
-
-our $specfile;
-our $target_dir;
-
-our $arch;
-our %nodes;
-our %emit_templates;
-our $finish_line_template = "be_emit_finish_line_gas(node);";
-our $indent_line_func;
-
-my $target_c = $target_dir."/gen_".$arch."_emitter.c";
-my $target_h = $target_dir."/gen_".$arch."_emitter.h";
-
-# stacks for output
-my @obst_func; # stack for the emit functions
-my @obst_register; # stack for emitter register code
-my $line;
-
-sub create_emitter {
- my $result = shift;
- my $indent = shift;
- my $template = shift;
- our %emit_templates;
- our $arch;
-
- if (!defined($indent_line_func)) {
- $template = "\\t" . $template;
- } else {
- push(@{$result}, "${indent}${indent_line_func};\n");
- }
-
- my @tokens = ($template =~ m/(?:[^%]|%%)+|\%[a-zA-Z_][a-zA-Z0-9_]*|%\./g);
- for (@tokens) {
- SWITCH: {
- if (/%\./) { last SWITCH; }
- if (/^%([^%]+)/) {
- if(defined($emit_templates{$1})) {
- push(@{$result}, "${indent}$emit_templates{$1}\n");
- } else {
- print "Warning: No emit_template defined for '$1'\n";
- push(@{$result}, "${indent}$1(node);\n");
- }
- last SWITCH;
- }
- $_ =~ s/%%/%/g;
- if (length($_) == 1) {
- push(@{$result}, "${indent}be_emit_char('$_');\n");
- } else {
- push(@{$result}, "${indent}be_emit_cstring(\"$_\");\n");
- }
- }
- }
- push(@{$result}, "${indent}${finish_line_template}\n");
-}
-
-
-
-foreach my $op (keys(%nodes)) {
- my %n = %{ $nodes{"$op"} };
-
- # skip this node description if no emit information is available
- next if (!defined($n{"emit"}));
-
- $line = "static void emit_${arch}_${op}(const ir_node *node)";
-
- push(@obst_register, " ${arch}_register_emitter(op_${arch}_${op}, emit_${arch}_${op});\n");
-
- if($n{"emit"} eq "") {
- push(@obst_func, $line."\n");
- push(@obst_func, "{\n");
- push(@obst_func, "\t(void) node;\n");
- push(@obst_func, "}\n\n");
- next;
- }
-
- push(@obst_func, $line."\n");
- push(@obst_func, "{\n");
-
- my @emit = split(/\n/, $n{"emit"});
-
- foreach my $template (@emit) {
- # substitute only lines, starting with a '.'
- if ($template eq '') {
- # nothing
- } elsif ($template =~ /^(\s*)\.\s*(.*)/) {
- my $indent = "\t$1";
- create_emitter(\@obst_func, $indent, $2);
- } else {
- push(@obst_func, "\t${arch}_emitf(node, \"$template\");\n");
- }
- }
-
- push(@obst_func, "}\n\n");
-}
-
-open(OUT, ">$target_h") || die("Could not open $target_h, reason: $!\n");
-
-my $creation_time = localtime(time());
-
-my $tmp = uc($arch);
-
-print OUT<<EOF;
-/**
- * \@file
- * \@brief Function prototypes for the emitter functions.
- * \@note DO NOT EDIT THIS FILE, your changes will be lost.
- * Edit $specfile instead.
- * created by: $0 $specfile $target_dir
- * \@date $creation_time
- */
-#ifndef FIRM_BE_${tmp}_GEN_${tmp}_EMITTER_H
-#define FIRM_BE_${tmp}_GEN_${tmp}_EMITTER_H
-
-#include "irnode.h"
-#include "${arch}_emitter.h"
-
-void ${arch}_register_spec_emitters(void);
-
-#endif
-
-EOF
-
-close(OUT);
-
-open(OUT, ">$target_c") || die("Could not open $target_c, reason: $!\n");
-
-$creation_time = localtime(time());
-
-print OUT<<EOF;
-/**
- * \@file
- * \@brief Generated functions to emit code for assembler ir nodes.
- * \@note DO NOT EDIT THIS FILE, your changes will be lost.
- * Edit $specfile instead.
- * created by: $0 $specfile $target_dir
- * \@date $creation_time
- */
-#include "config.h"
-
-#include <stdio.h>
-#include <assert.h>
-
-#include "irnode.h"
-#include "irop_t.h"
-#include "irprog_t.h"
-#include "beemitter.h"
-
-#include "gen_${arch}_emitter.h"
-#include "${arch}_new_nodes.h"
-#include "${arch}_emitter.h"
-
-EOF
-
-print OUT @obst_func;
-
-print OUT<<EOF;
-
-typedef void (*emit_func)(const ir_node *node);
-
-static void ${arch}_register_emitter(ir_op *op, emit_func func)
-{
- assert(op->ops.generic == NULL);
- op->ops.generic = (op_func)func;
-}
-
-/**
- * Enters the emitter functions for handled nodes into the generic
- * pointer of an opcode.
- */
-void $arch\_register_spec_emitters(void)
-{
-EOF
-
-print OUT @obst_register;
-
-print OUT<<EOF;
-}
-
-EOF
-
-close(OUT);
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