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_generate; /**< instrument code for profiling */
66 int opt_profile_use; /**< use existing profile data */
67 int omit_fp; /**< try to omit the frame pointer */
68 int pic; /**< create position independent code */
69 int verify_option; /**< backend verify option */
70 char ilp_server[128]; /**< the ilp server name */
71 char ilp_solver[128]; /**< the ilp solver name */
72 int statev; /**< enable stat event dumping */
73 char filtev[128]; /**< filter mask for stat events */
76 struct be_main_env_t {
79 be_options_t *options; /**< backend options */
80 const char *cup_name; /**< name of the compilation unit */
81 pmap *ent_trampoline_map; /**< A map containing PIC trampolines for methods. */
82 ir_type *pic_trampolines_type; /**< Class type containing all trampolines */
83 pmap *ent_pic_symbol_map;
84 ir_type *pic_symbols_type;
87 extern asm_constraint_flags_t asm_constraint_flags[256];
89 void be_init_default_asm_constraint_flags(void);
91 void be_put_allocatable_regs(const ir_graph *irg,
92 const arch_register_class_t *cls, bitset_t *bs);
94 void be_set_allocatable_regs(const ir_graph *irg,
95 const arch_register_class_t *cls,
96 unsigned *raw_bitset);
98 unsigned be_get_n_allocatable_regs(const ir_graph *irg,
99 const arch_register_class_t *cls);
102 * Initialize the backend. Must be run first in init_firm();
104 void firm_be_init(void);
105 void firm_be_finish(void);
107 extern int be_timing;
136 ENUM_COUNTABLE(be_timer_id_t)
137 extern ir_timer_t *be_timers[T_LAST+1];
139 static inline void be_timer_push(be_timer_id_t id)
145 assert(id <= T_LAST);
146 res = ir_timer_push(be_timers[id]);
148 assert(res && "Timer already on stack, cannot be pushed twice.");
151 static inline void be_timer_pop(be_timer_id_t id)
157 tmp = ir_timer_pop();
160 assert(tmp == be_timers[id] && "Attempt to pop wrong timer.");