1 /*
2 * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
3 *
4 * This file is part of libFirm.
5 *
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.
10 *
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.
14 *
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
17 * PURPOSE.
18 */
19
20 /**
21 * @file
22 * @brief Internal backend global data structures.
23 * @author Sebastian Hack
24 */
25 #ifndef FIRM_BE_BE_T_H
26 #define FIRM_BE_BE_T_H
27
28 #include "firm_types.h"
29 #include "obst.h"
30 #include "debug.h"
31 #include "bitset.h"
32 #include "timing.h"
33 #include "pmap.h"
34
35 #include "be.h"
36 #include "be_types.h"
37
38 enum {
39 DUMP_NONE = 0,
40 DUMP_INITIAL = 1 << 0,
41 DUMP_ABI = 1 << 1,
42 DUMP_SCHED = 1 << 2,
43 DUMP_PREPARED = 1 << 3,
44 DUMP_RA = 1 << 4,
45 DUMP_FINAL = 1 << 5,
46 DUMP_BE = 1 << 6
47 };
48
49 enum {
50 BE_TIME_OFF,
51 BE_TIME_ON
52 };
53
54 enum {
55 BE_VERIFY_OFF,
56 BE_VERIFY_WARN,
57 BE_VERIFY_ASSERT
58 };
59
60 /** Backend options */
61 struct be_options_t {
62 unsigned dump_flags; /**< backend dumping flags */
63 int timing; /**< time the backend phases */
64 int opt_profile_generate; /**< instrument code for profiling */
65 int opt_profile_use; /**< use existing profile data */
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 */
73 int verbose_asm; /**< dump verbose assembler */
74 };
75 extern be_options_t be_options;
76
77 struct be_main_env_t {
78 arch_env_t *arch_env;
79 FILE *file_handle;
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;
85 };
86
87 extern asm_constraint_flags_t asm_constraint_flags[256];
88
89 void be_init_default_asm_constraint_flags(void);
90
91 void be_put_allocatable_regs(const ir_graph *irg,
92 const arch_register_class_t *cls, bitset_t *bs);
93
94 void be_set_allocatable_regs(const ir_graph *irg,
95 const arch_register_class_t *cls,
96 unsigned *raw_bitset);
97
98 unsigned be_get_n_allocatable_regs(const ir_graph *irg,
99 const arch_register_class_t *cls);
100
101 /**
102 * Initialize the backend. Must be run first in init_firm();
103 */
104 void firm_be_init(void);
105 void firm_be_finish(void);
106
107 extern int be_timing;
108
109 typedef enum {
110 T_FIRST,
111 T_ABI = T_FIRST,
112 T_CODEGEN,
113 T_RA_PREPARATION,
114 T_SCHED,
115 T_CONSTR,
116 T_SPLIT,
117 T_FINISH,
118 T_EMIT,
119 T_VERIFY,
120 T_OTHER,
121 T_HEIGHTS,
122 T_LIVE,
123 T_EXECFREQ,
124 T_SSA_CONSTR,
125 T_RA_PROLOG,
126 T_RA_EPILOG,
127 T_RA_CONSTR,
128 T_RA_SPILL,
129 T_RA_SPILL_APPLY,
130 T_RA_COLOR,
131 T_RA_IFG,
132 T_RA_COPYMIN,
133 T_RA_SSA,
134 T_RA_OTHER,
135 T_LAST = T_RA_OTHER
136 } be_timer_id_t;
137 ENUM_COUNTABLE(be_timer_id_t)
138 extern ir_timer_t *be_timers[T_LAST+1];
139
be_timer_push(be_timer_id_t id)140 static inline void be_timer_push(be_timer_id_t id)
141 {
142 assert(id <= T_LAST);
143 if (!be_timing)
144 return;
145 ir_timer_push(be_timers[id]);
146 }
147
be_timer_pop(be_timer_id_t id)148 static inline void be_timer_pop(be_timer_id_t id)
149 {
150 assert(id <= T_LAST);
151 if (!be_timing)
152 return;
153 ir_timer_pop(be_timers[id]);
154 }
155
156 #endif
157