3 * File name: ir/common/firm.c
4 * Purpose: Central firm functionality.
5 * Author: Martin Trapp, Christian Schaefer
6 * Modified by: Goetz Lindenmaier
9 * Copyright: (c) 1998-2003 Universität Karlsruhe
10 * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
24 # include <libcore/lc_opts.h>
25 # include <libcore/lc_init.h>
32 /* init functions are not public */
39 #include "irgraph_t.h"
42 #include "type_identify.h"
44 #include "irreflect_t.h"
46 #include "reassoc_t.h"
48 #include "iredges_t.h"
52 /* returns the firm root */
53 lc_opt_entry_t *firm_opt_get_root(void)
55 static lc_opt_entry_t *grp = NULL;
57 grp = lc_opt_get_grp(lc_opt_root_grp(), "firm");
63 init_firm(const firm_parameter_t *param)
65 firm_parameter_t def_params;
68 memset(&def_params, 0, sizeof(def_params));
71 /* check for reasonable size */
72 assert(param->size <= sizeof(def_params) && (param->size & 3) == 0 &&
73 "parameter struct not initialized ???");
74 size = sizeof(def_params);
75 if (param->size < size)
78 memcpy(&def_params, param, size);
81 /* initialize firm flags */
83 /* initialize all ident stuff */
84 init_ident(def_params.id_if, 1024);
85 /* initialize Firm hooks */
87 /* enhanced statistics, need idents and hooks */
88 firm_init_stat(def_params.enable_statistics);
89 /* Edges need hooks. */
91 /* create the type kinds. */
93 /* create an obstack and put all tarvals in a pdeq */
95 /* Builds a basic program representation, so modes can be added. */
97 /* initialize all modes an ir node can consist of */
99 /* initialize tarvals, and floating point arithmetic */
101 /* init graph construction */
103 /* kind of obstack initialization */
105 /* initialize all op codes an irnode can consist of */
107 /* called once for each run of this library */
108 init_cons(def_params.initialize_local_func);
109 /* initialize reassociation */
110 firm_init_reassociation();
111 /* Builds a construct allowing to access all information to be constructed
114 /* Initialize the type module ancd cr d construct some idents needed. */
115 firm_init_type(def_params.builtin_dbg, def_params.cc_mask);
116 /* initialize the entity module */
118 /* allocate a hash table. */
119 init_type_identify(def_params.ti_if);
120 /* Init reflection facility. */
123 /* Init architecture dependent optimizations. */
124 arch_dep_init(arch_dep_default_factory);
125 arch_dep_set_opts(arch_dep_mul_to_shift | arch_dep_div_by_const | arch_dep_mod_by_const);
127 firm_archops_init(def_params.arch_op_settings);
130 /* integrated debugger extension */
131 firm_init_debugger();
135 /* parse any init files for firm */
136 lc_init("firm", firm_opt_get_root(), def_params.arg_prefix, def_params.argc, def_params.argv);
140 void free_firm(void) {
143 for (i = get_irp_n_irgs() - 1; i >= 0; --i)
144 free_ir_graph(get_irp_irg(i));
146 free_type_entities(get_glob_type());
147 for (i = get_irp_n_types() - 1; i >= 0; --i)
148 free_type_entities(get_irp_type(i));
150 for (i = get_irp_n_types() - 1; i >= 0; --i)
151 free_type(get_irp_type(i));
162 /* Returns the libFirm version number. */
163 void firm_get_version(firm_version_t *version) {
164 version->major = libFirm_VERSION_MAJOR;
165 version->minor = libFirm_VERSION_MINOR;