4 # Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
6 # This file is part of libFirm.
8 # This file may be distributed and/or modified under the terms of the
9 # GNU General Public License version 2 as published by the Free Software
10 # Foundation and appearing in the file LICENSE.GPL included in the
11 # packaging of this file.
13 # Licensees holding valid libFirm Professional Edition licenses may use
14 # this file in accordance with the libFirm Commercial License.
15 # Agreement provided with the Software.
17 # This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
18 # WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 # This script generates C code which emits assembler code for the
23 # assembler ir nodes. It takes a "emit" key from the node specification
24 # and substitutes lines starting with . with a corresponding fprintf().
35 our $finish_line_template = "be_emit_finish_line_gas(node);";
36 our $indent_line_func;
38 my $target_c = $target_dir."/gen_".$arch."_emitter.c";
39 my $target_h = $target_dir."/gen_".$arch."_emitter.h";
42 my @obst_func; # stack for the emit functions
43 my @obst_register; # stack for emitter register code
53 if (!defined($indent_line_func)) {
54 $template = "\\t" . $template;
56 push(@{$result}, "${indent}${indent_line_func};\n");
59 my @tokens = ($template =~ m/(?:[^%]|%%)+|\%[a-zA-Z_][a-zA-Z0-9_]*|%\./g);
62 if (/%\./) { last SWITCH; }
64 if(defined($emit_templates{$1})) {
65 push(@{$result}, "${indent}$emit_templates{$1}\n");
67 print "Warning: No emit_template defined for '$1'\n";
68 push(@{$result}, "${indent}$1(node);\n");
73 if (length($_) == 1) {
74 push(@{$result}, "${indent}be_emit_char('$_');\n");
76 push(@{$result}, "${indent}be_emit_cstring(\"$_\");\n");
80 push(@{$result}, "${indent}${finish_line_template}\n");
85 foreach my $op (keys(%nodes)) {
86 my %n = %{ $nodes{"$op"} };
88 # skip this node description if no emit information is available
89 next if (!defined($n{"emit"}));
91 $line = "static void emit_${arch}_${op}(const ir_node *node)";
93 push(@obst_register, " ${arch}_register_emitter(op_${arch}_${op}, emit_${arch}_${op});\n");
95 if($n{"emit"} eq "") {
96 push(@obst_func, $line."\n");
97 push(@obst_func, "{\n");
98 push(@obst_func, "\t(void) node;\n");
99 push(@obst_func, "}\n\n");
103 push(@obst_func, $line."\n");
104 push(@obst_func, "{\n");
106 my @emit = split(/\n/, $n{"emit"});
108 foreach my $template (@emit) {
109 # substitute only lines, starting with a '.'
110 if ($template eq '') {
112 } elsif ($template =~ /^(\s*)\.\s*(.*)/) {
114 create_emitter(\@obst_func, $indent, $2);
116 push(@obst_func, "\t${arch}_emitf(node, \"$template\");\n");
120 push(@obst_func, "}\n\n");
123 open(OUT, ">$target_h") || die("Could not open $target_h, reason: $!\n");
125 my $creation_time = localtime(time());
132 * \@brief Function prototypes for the emitter functions.
133 * \@note DO NOT EDIT THIS FILE, your changes will be lost.
134 * Edit $specfile instead.
135 * created by: $0 $specfile $target_dir
136 * \@date $creation_time
138 #ifndef FIRM_BE_${tmp}_GEN_${tmp}_EMITTER_H
139 #define FIRM_BE_${tmp}_GEN_${tmp}_EMITTER_H
142 #include "${arch}_emitter.h"
144 void ${arch}_register_spec_emitters(void);
152 open(OUT, ">$target_c") || die("Could not open $target_c, reason: $!\n");
154 $creation_time = localtime(time());
159 * \@brief Generated functions to emit code for assembler ir nodes.
160 * \@note DO NOT EDIT THIS FILE, your changes will be lost.
161 * Edit $specfile instead.
162 * created by: $0 $specfile $target_dir
163 * \@date $creation_time
172 #include "irprog_t.h"
173 #include "beemitter.h"
175 #include "gen_${arch}_emitter.h"
176 #include "${arch}_new_nodes.h"
177 #include "${arch}_emitter.h"
181 print OUT @obst_func;
185 typedef void (*emit_func)(const ir_node *node);
187 static void ${arch}_register_emitter(ir_op *op, emit_func func)
189 assert(op->ops.generic == NULL);
190 op->ops.generic = (op_func)func;
194 * Enters the emitter functions for handled nodes into the generic
195 * pointer of an opcode.
197 void $arch\_register_spec_emitters(void)
201 print OUT @obst_register;