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 Internal backend global data structures.
23 * @author Sebastian Hack
26 #ifndef FIRM_BE_BE_T_H
27 #define FIRM_BE_BE_T_H
29 #include "firm_types.h"
41 DUMP_INITIAL = 1 << 0,
44 DUMP_PREPARED = 1 << 3,
61 /** Backend options */
63 unsigned dump_flags; /**< backend dumping flags */
64 int timing; /**< time the backend phases */
65 int opt_profile; /**< instrument code for profiling */
66 int omit_fp; /**< try to omit the frame pointer */
67 int pic; /**< create position independent code */
68 int verify_option; /**< backend verify option */
69 char ilp_server[128]; /**< the ilp server name */
70 char ilp_solver[128]; /**< the ilp solver name */
71 int statev; /**< enable stat event dumping */
72 char filtev[128]; /**< filter mask for stat events (regex is supported) */
75 struct be_main_env_t {
77 be_options_t *options; /**< backend options */
78 const char *cup_name; /**< name of the compilation unit */
79 pmap *ent_trampoline_map; /**< A map containing PIC trampolines for methods. */
80 ir_type *pic_trampolines_type; /**< Class type containing all trampolines */
81 pmap *ent_pic_symbol_map;
82 ir_type *pic_symbols_type;
85 extern asm_constraint_flags_t asm_constraint_flags[256];
87 void be_init_default_asm_constraint_flags(void);
89 void be_put_allocatable_regs(const ir_graph *irg,
90 const arch_register_class_t *cls, bitset_t *bs);
92 void be_set_allocatable_regs(const ir_graph *irg,
93 const arch_register_class_t *cls,
94 unsigned *raw_bitset);
96 unsigned be_get_n_allocatable_regs(const ir_graph *irg,
97 const arch_register_class_t *cls);
100 * Initialize the backend. Must be run first in init_firm();
102 void firm_be_init(void);
103 void firm_be_finish(void);
105 extern int be_timing;
134 ENUM_COUNTABLE(be_timer_id_t)
135 extern ir_timer_t *be_timers[T_LAST+1];
137 static inline void be_timer_push(be_timer_id_t id)
143 assert(id <= T_LAST);
144 res = ir_timer_push(be_timers[id]);
146 assert(res && "Timer already on stack, cannot be pushed twice.");
149 static inline void be_timer_pop(be_timer_id_t id)
155 tmp = ir_timer_pop();
158 assert(tmp == be_timers[id] && "Attempt to pop wrong timer.");