#!/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().
-# Creation: 2005/11/07
-# $Id$
use strict;
use Data::Dumper;
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";
our %emit_templates;
our $arch;
- my @tokens = ($template =~ m/[^\%]+|\%[a-zA-Z_][a-zA-Z0-9_]*|\%./g);
- push(@{$result}, "${indent}${arch}_emit_char(env, '\t');\n");
+ if (!defined($indent_line_func)) {
+ $template = "\\t" . $template;
+ } else {
+ push(@{$result}, "${indent}${indent_line_func};\n");
+ }
+
+ my @tokens = ($template =~ m/(?:[^%]|%%)+|\%[a-zA-Z_][a-zA-Z0-9_]*|%\./g);
for (@tokens) {
SWITCH: {
- if (/%\./) { last SWITCH; }
- if (/%%/) { push(@{$result}, "${indent}${arch}_emit_char(env, '%');\n"); last SWITCH; }
- if (/%(.+)/) {
+ 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}$1(env, node);\n");
+ push(@{$result}, "${indent}$1(node);\n");
}
last SWITCH;
}
- push(@{$result}, "${indent}${arch}_emit_cstring(env, \"$_\");\n");
+ $_ =~ s/%%/%/g;
+ if (length($_) == 1) {
+ push(@{$result}, "${indent}be_emit_char('$_');\n");
+ } else {
+ push(@{$result}, "${indent}be_emit_cstring(\"$_\");\n");
+ }
}
}
- push(@{$result}, "${indent}${arch}_emit_finish_line(env, node);\n");
+ push(@{$result}, "${indent}${finish_line_template}\n");
}
# skip this node description if no emit information is available
next if (!defined($n{"emit"}));
- $line = "static void emit_".$arch."_".$op."(${arch}_emit_env_t *env, const ir_node *node)";
+ $line = "static void emit_${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");
+ 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 =~ /^(\s*)\.\s*(.*)/) {
+ if ($template eq '') {
+ # nothing
+ } elsif ($template =~ /^(\s*)\.\s*(.*)/) {
my $indent = "\t$1";
create_emitter(\@obst_func, $indent, $2);
} else {
- push(@obst_func, "\t$template\n");
+ push(@obst_func, "\t${arch}_emitf(node, \"$template\");\n");
}
}
my $tmp = uc($arch);
print OUT<<EOF;
-#ifndef _GEN_$tmp\_EMITTER_H_
-#define _GEN_$tmp\_EMITTER_H_
-
/**
- * Function prototypes for the emitter functions.
- * DO NOT EDIT THIS FILE, your changes will be lost.
- * Edit $specfile instead.
- * created by: $0 $specfile $target_dir
- * date: $creation_time
+ * \@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"
+#include "${arch}_emitter.h"
-void $arch\_register_spec_emitters(void);
+void ${arch}_register_spec_emitters(void);
-#endif /* _GEN_$tmp\_EMITTER_H_ */
+#endif
EOF
print OUT<<EOF;
/**
- * Generated functions to emit code for assembler ir nodes.
- * DO NOT EDIT THIS FILE, your changes will be lost.
- * Edit $specfile instead.
- * created by: $0 $specfile $target_dir
- * date: $creation_time
+ * \@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 $creation_time
*/
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
+#include "config.h"
#include <stdio.h>
+#include <assert.h>
#include "irnode.h"
#include "irop_t.h"
#include "irprog_t.h"
+#include "beemitter.h"
#include "gen_${arch}_emitter.h"
#include "${arch}_new_nodes.h"
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
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