-/**
- * Internal backend global data structures.
- * @author Sebastian Hack
- * @date 8.12.2004
+/*
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
*/
-#ifndef _BE_T_H
-#define _BE_T_H
+/**
+ * @file
+ * @brief Internal backend global data structures.
+ * @author Sebastian Hack
+ * @version $Id$
+ */
+#ifndef FIRM_BE_BE_T_H
+#define FIRM_BE_BE_T_H
+#include "firm_types.h"
#include "obst.h"
#include "debug.h"
-
-#include "irgraph.h"
+#include "bitset.h"
+#include "timing.h"
+#include "pmap.h"
#include "be.h"
-#include "bearch.h"
-#include "beirgmod.h"
+#include "be_types.h"
-struct _be_options_t {
- char ilp_solver[128];
- char ilp_server[128];
+enum {
+ DUMP_NONE = 0,
+ DUMP_INITIAL = 1 << 0,
+ DUMP_ABI = 1 << 1,
+ DUMP_SCHED = 1 << 2,
+ DUMP_PREPARED = 1 << 3,
+ DUMP_RA = 1 << 4,
+ DUMP_FINAL = 1 << 5,
+ DUMP_BE = 1 << 6
};
-struct _be_main_env_t {
- struct obstack obst;
- struct _be_node_factory_t *node_factory;
- struct _arch_env_t *arch_env;
- struct _be_options_t *options;
- struct _arch_code_generator_t *cg;
- firm_dbg_module_t *dbg;
+enum {
+ BE_TIME_OFF,
+ BE_TIME_ON
};
-struct _be_irg_t {
- ir_graph *irg;
- struct _be_main_env_t *main_env;
- struct _be_abi_irg_t *abi;
- struct _arch_code_generator_t *cg;
+enum {
+ BE_VRFY_OFF,
+ BE_VRFY_WARN,
+ BE_VRFY_ASSERT
};
+enum {
+ BE_SCHED_LIST,
+ BE_SCHED_ILP
+};
+
+/** Backend options */
+struct be_options_t {
+ unsigned dump_flags; /**< backend dumping flags */
+ int timing; /**< time the backend phases */
+ int opt_profile; /**< instrument code for profiling */
+ int omit_fp; /**< try to omit the frame pointer */
+ int omit_leaf_fp; /**< try to omit the frame pointer in leaf routines */
+ int pic; /**< create position independent code */
+ int gprof; /**< create gprof compatible profiling code */
+ int vrfy_option; /**< backend verify option */
+ int scheduler; /**< the scheduler */
+ char target_os[128]; /**< target operating system name */
+ char ilp_server[128]; /**< the ilp server name */
+ char ilp_solver[128]; /**< the ilp solver name */
+ int statev; /**< enable stat event dumping */
+ char filtev[128]; /**< filter mask for stat events (regex is supported) */
+};
+
+struct be_main_env_t {
+ arch_env_t *arch_env;
+ be_options_t *options; /**< backend options */
+ arch_code_generator_t *cg;
+ const char *cup_name; /**< name of the compilation unit */
+ pmap *ent_trampoline_map; /**< A map containing PIC trampolines for methods. */
+ ir_type *pic_trampolines_type; /**< Class type containing all trampolines */
+ pmap *ent_pic_symbol_map;
+ ir_type *pic_symbols_type;
+};
+
+extern unsigned short asm_constraint_flags[256];
+
+void be_init_default_asm_constraint_flags(void);
+
+/**
+ * Put the registers to be ignored in this IRG into a bitset.
+ * @param birg The backend IRG data structure.
+ * @param cls The register class.
+ * @param bs The bitset (may be NULL).
+ * @return The number of registers to be ignored.
+ */
+unsigned be_put_ignore_regs(const be_irg_t *birg,
+ const arch_register_class_t *cls, bitset_t *bs);
+
+
+/**
+ * Initialize the backend. Must be run first in init_firm();
+ */
+void firm_be_init(void);
+void firm_be_finish(void);
+
+extern int be_timing;
+
+typedef enum {
+ T_ABI,
+ T_CODEGEN,
+ T_RA_PREPARATION,
+ T_SCHED,
+ T_CONSTR,
+ T_FINISH,
+ T_EMIT,
+ T_VERIFY,
+ T_OTHER,
+ T_HEIGHTS,
+ T_LIVE,
+ T_EXECFREQ,
+ T_SSA_CONSTR,
+ T_RA_PROLOG,
+ T_RA_EPILOG,
+ T_RA_CONSTR,
+ T_RA_SPILL,
+ T_RA_SPILL_APPLY,
+ T_RA_COLOR,
+ T_RA_IFG,
+ T_RA_COPYMIN,
+ T_RA_SSA,
+ T_RA_OTHER,
+ T_LAST = T_RA_OTHER
+} be_timer_id_t;
+extern ir_timer_t *be_timers[T_LAST+1];
+
+static inline void be_timer_push(be_timer_id_t id)
+{
+ int res;
+ if (!be_timing)
+ return;
+
+ assert(id <= T_LAST);
+ res = ir_timer_push(be_timers[id]);
+ (void) res;
+ assert(res && "Timer already on stack, cannot be pushed twice.");
+}
+
+static inline void be_timer_pop(be_timer_id_t id)
+{
+ ir_timer_t *tmp;
+ if (!be_timing)
+ return;
+
+ tmp = ir_timer_pop();
+ (void) tmp;
+ (void) id;
+ assert(tmp == be_timers[id] && "Attempt to pop wrong timer.");
+}
+
#endif
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