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>
29 # include "irflag_t.h"
31 /* init functions are not public */
34 # include "irprog_t.h"
35 # include "irnode_t.h"
36 # include "irmode_t.h"
37 # include "ircons_t.h"
38 # include "irgraph_t.h"
40 # include "entity_t.h"
41 # include "type_identify.h"
42 # include "firmstat.h"
43 # include "irreflect_t.h"
45 # include "reassoc_t.h"
47 # include "iredges_t.h"
48 # include "debugger.h"
51 lc_opt_entry_t *firm_opt_get_root(void)
53 static lc_opt_entry_t *grp = NULL;
55 grp = lc_opt_get_grp(lc_opt_root_grp(), "firm");
61 init_firm(const firm_parameter_t *param)
63 firm_parameter_t def_params;
66 memset(&def_params, 0, sizeof(def_params));
69 /* check for reasonable size */
70 assert(param->size <= sizeof(def_params) && (param->size & 3) == 0 &&
71 "parameter struct not initialized ???");
72 size = sizeof(def_params);
73 if (param->size < size)
76 memcpy(&def_params, param, size);
79 /* initialize firm flags */
81 /* initialize all ident stuff */
82 init_ident(def_params.id_if, 1024);
83 /* initialize Firm hooks */
85 /* enhanced statistics, need idents and hooks */
86 firm_init_stat(def_params.enable_statistics);
87 /* Edges need hooks. */
89 /* create the type kinds. */
91 /* create an obstack and put all tarvals in a pdeq */
93 /* Builds a basic program representation, so modes can be added. */
95 /* initialize all modes an ir node can consist of */
97 /* initialize tarvals, and floating point arithmetic */
99 /* init graph construction */
101 /* kind of obstack initialization */
103 /* initialize all op codes an irnode can consist of */
105 /* called once for each run of this library */
106 init_cons(def_params.initialize_local_func);
107 /* initialize reassociation */
108 firm_init_reassociation();
109 /* Builds a construct allowing to access all information to be constructed
112 /* Initialize the type module and construct some idents needed. */
113 firm_init_type(def_params.builtin_dbg, def_params.cc_mask);
114 /* initialize the entity module */
116 /* allocate a hash table. */
117 init_type_identify(def_params.ti_if);
118 /* Init reflection facility. */
121 /* Init architecture dependent optimizations. */
122 arch_dep_init(arch_dep_default_factory);
123 arch_dep_set_opts(arch_dep_mul_to_shift | arch_dep_div_by_const | arch_dep_mod_by_const);
125 firm_archops_init(def_params.arch_op_settings);
128 /* integrated debugger extension */
129 firm_init_debugger();
133 /* Process command line and ini file. */
135 if(def_params.ini_file) {
136 FILE *f = fopen(def_params.ini_file, "rt");
138 lc_opt_from_file(def_params.ini_file, f, NULL);
143 lc_opt_from_argv(firm_opt_get_root(), def_params.arg_prefix,
144 def_params.argc, def_params.argv, NULL);
149 void free_firm(void) {
152 for (i = get_irp_n_irgs() - 1; i >= 0; --i)
153 free_ir_graph(get_irp_irg(i));
155 free_type_entities(get_glob_type());
156 for (i = get_irp_n_types() - 1; i >= 0; --i)
157 free_type_entities(get_irp_type(i));
159 for (i = get_irp_n_types() - 1; i >= 0; --i)
160 free_type(get_irp_type(i));
171 /* Returns the libFirm version number. */
172 void firm_get_version(firm_version_t *version) {
173 version->major = libFirm_VERSION_MAJOR;
174 version->minor = libFirm_VERSION_MINOR;