2 * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
4 * This file is part of libFirm.
6 * This file may be distributed and/or modified under the terms of the
7 * GNU General Public License version 2 as published by the Free Software
8 * Foundation and appearing in the file LICENSE.GPL included in the
9 * packaging of this file.
11 * Licensees holding valid libFirm Professional Edition licenses may use
12 * this file in accordance with the libFirm Commercial License.
13 * Agreement provided with the Software.
15 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
16 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * @brief Central firm functionality.
23 * @author Martin Trapp, Christian Schaefer, Goetz Lindenmaier
30 #ifdef HAVE_FIRM_REVISION_H
31 # include "firm_revision.h"
34 #include "firm_config.h"
44 # include <libcore/lc_opts.h>
50 /* init functions are not public */
57 #include "irgraph_t.h"
62 #include "reassoc_t.h"
64 #include "iredges_t.h"
68 /* returns the firm root */
69 lc_opt_entry_t *firm_opt_get_root(void) {
70 static lc_opt_entry_t *grp = NULL;
72 grp = lc_opt_get_grp(lc_opt_root_grp(), "firm");
77 void firm_init_options(const char *arg_prefix, int argc, const char **argv) {
79 /* parse any init files for firm */
80 lc_opts_init("firm", firm_opt_get_root(), arg_prefix, argc, argv);
88 void init_firm(const firm_parameter_t *param)
90 firm_parameter_t def_params;
93 memset(&def_params, 0, sizeof(def_params));
96 /* check for reasonable size */
97 assert(param->size <= sizeof(def_params) && (param->size & 3) == 0 &&
98 "parameter struct not initialized ???");
99 size = sizeof(def_params);
100 if (param->size < size)
103 memcpy(&def_params, param, size);
106 /* initialize firm flags */
108 /* initialize all ident stuff */
109 init_ident(def_params.id_if, 1024);
110 /* initialize Firm hooks */
112 /* enhanced statistics, need idents and hooks */
113 firm_init_stat(def_params.enable_statistics);
114 /* Edges need hooks. */
116 /* create the type kinds. */
118 /* create an obstack and put all tarvals in a pdeq */
120 /* Builds a basic program representation, so modes can be added. */
122 /* initialize all modes an ir node can consist of */
124 /* initialize tarvals, and floating point arithmetic */
126 /* init graph construction */
128 /* kind of obstack initialization */
130 /* initialize all op codes an irnode can consist of */
132 /* called once for each run of this library */
133 init_cons(def_params.initialize_local_func);
134 /* initialize reassociation */
135 firm_init_reassociation();
136 /* Builds a construct allowing to access all information to be constructed
139 /* Initialize the type module and construct some idents needed. */
140 firm_init_type(def_params.builtin_dbg, def_params.cc_mask);
141 /* initialize the entity module */
143 /* allocate a hash table. */
144 init_type_identify(def_params.ti_if);
146 /* Init architecture dependent optimizations. */
147 arch_dep_init(arch_dep_default_factory);
148 arch_dep_set_opts(0);
150 firm_archops_init(def_params.arch_op_settings);
153 /* integrated debugger extension */
154 firm_init_debugger();
158 void free_firm(void) {
161 for (i = get_irp_n_irgs() - 1; i >= 0; --i)
162 free_ir_graph(get_irp_irg(i));
164 free_type_entities(get_glob_type());
165 for (i = get_irp_n_types() - 1; i >= 0; --i)
166 free_type_entities(get_irp_type(i));
168 for (i = get_irp_n_types() - 1; i >= 0; --i)
169 free_type(get_irp_type(i));
180 /* Returns the libFirm version number. */
181 void firm_get_version(firm_version_t *version) {
182 version->major = libfirm_VERSION_MAJOR;
183 version->minor = libfirm_VERSION_MINOR;
184 #ifdef libfirm_VERSION_REVISION
185 version->revision = libfirm_VERSION_REVISION;
187 version->revision = "";