2 * Copyright (C) 1995-2008 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"
48 /* init functions are not public */
55 #include "irgraph_t.h"
58 #include "opt_inline_t.h"
59 #include "scalar_replace.h"
62 #include "reassoc_t.h"
63 #include "funccall_t.h"
65 #include "iredges_t.h"
66 #include "irmemory_t.h"
71 /* returns the firm root */
72 lc_opt_entry_t *firm_opt_get_root(void) {
73 static lc_opt_entry_t *grp = NULL;
75 grp = lc_opt_get_grp(lc_opt_root_grp(), "firm");
79 void firm_init_options(const char *arg_prefix, int argc, const char **argv) {
80 /* parse any init files for firm */
81 lc_opts_init("firm", firm_opt_get_root(), arg_prefix, argc, argv);
84 void init_firm(const firm_parameter_t *param)
86 firm_parameter_t def_params;
89 /* for historical reasons be_init must be run first */
92 memset(&def_params, 0, sizeof(def_params));
95 /* check for reasonable size */
96 assert(param->size <= sizeof(def_params) && (param->size & 3) == 0 &&
97 "parameter struct not initialized ???");
98 size = sizeof(def_params);
99 if (param->size < size)
102 memcpy(&def_params, param, size);
105 /* initialize firm flags */
107 /* initialize all ident stuff */
108 init_ident(def_params.id_if, 1024);
109 /* initialize Firm hooks */
111 /* enhanced statistics, need idents and hooks */
112 firm_init_stat(def_params.enable_statistics);
113 /* Edges need hooks. */
115 /* create the type kinds. */
117 /* create an obstack and put all tarvals in a pdeq */
118 init_tarval_1(0l, /* support_quad_precision */0);
119 /* Builds a basic program representation, so modes can be added. */
121 /* initialize all modes an ir node can consist of */
123 /* initialize tarvals, and floating point arithmetic */
125 /* init graph construction */
127 /* kind of obstack initialization */
129 /* initialize all op codes an irnode can consist of */
131 /* called once for each run of this library */
132 firm_init_cons(def_params.initialize_local_func);
133 /* initialize reassociation */
134 firm_init_reassociation();
135 /* initialize function call optimization */
136 firm_init_funccalls();
137 /* initialize function inlining */
139 /* initialize scalar replacement */
140 firm_init_scalar_replace();
141 /* Builds a construct allowing to access all information to be constructed
144 /* Initialize the type module and construct some idents needed. */
145 firm_init_type(def_params.builtin_dbg, def_params.cc_mask);
146 /* initialize the entity module */
148 /* allocate a hash table. */
149 init_type_identify(def_params.ti_if);
150 /* class cast optimization */
151 firm_init_class_casts_opt();
152 /* memory disambiguation */
153 firm_init_memory_disambiguator();
155 /* Init architecture dependent optimizations. */
156 arch_dep_init(arch_dep_default_factory);
157 arch_dep_set_opts(0);
159 firm_archops_init(def_params.arch_op_settings);
162 /* integrated debugger extension */
163 firm_init_debugger();
167 void free_firm(void) {
170 for (i = get_irp_n_irgs() - 1; i >= 0; --i)
171 free_ir_graph(get_irp_irg(i));
173 free_type_entities(get_glob_type());
174 for (i = get_irp_n_types() - 1; i >= 0; --i)
175 free_type_entities(get_irp_type(i));
177 for (i = get_irp_n_types() - 1; i >= 0; --i)
178 free_type(get_irp_type(i));
190 /* Returns the libFirm version number. */
191 void firm_get_version(firm_version_t *version) {
192 version->major = libfirm_VERSION_MAJOR;
193 version->minor = libfirm_VERSION_MINOR;
194 #ifdef libfirm_VERSION_REVISION
195 version->revision = libfirm_VERSION_REVISION;
197 version->revision = "";