1/* Prototypes for exported functions defined in arm.c and pe.c
2   Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005
3   Free Software Foundation, Inc.
4   Contributed by Richard Earnshaw (rearnsha@arm.com)
5   Minor hacks by Nick Clifton (nickc@cygnus.com)
6
7   This file is part of GCC.
8
9   GCC is free software; you can redistribute it and/or modify
10   it under the terms of the GNU General Public License as published by
11   the Free Software Foundation; either version 2, or (at your option)
12   any later version.
13
14   GCC is distributed in the hope that it will be useful,
15   but WITHOUT ANY WARRANTY; without even the implied warranty of
16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17   GNU General Public License for more details.
18
19   You should have received a copy of the GNU General Public License
20   along with GCC; see the file COPYING.  If not, write to
21   the Free Software Foundation, 51 Franklin Street, Fifth Floor,
22   Boston, MA 02110-1301, USA.  */
23
24#ifndef GCC_ARM_PROTOS_H
25#define GCC_ARM_PROTOS_H
26
27extern void arm_override_options (void);
28extern int use_return_insn (int, rtx);
29extern int arm_regno_class (int);
30extern void arm_load_pic_register (unsigned long);
31extern int arm_volatile_func (void);
32extern const char *arm_output_epilogue (rtx);
33extern void arm_expand_prologue (void);
34extern const char *arm_strip_name_encoding (const char *);
35extern void arm_asm_output_labelref (FILE *, const char *);
36extern unsigned long arm_current_func_type (void);
37extern HOST_WIDE_INT arm_compute_initial_elimination_offset (unsigned int,
38							     unsigned int);
39extern HOST_WIDE_INT thumb_compute_initial_elimination_offset (unsigned int,
40							       unsigned int);
41extern unsigned int arm_dbx_register_number (unsigned int);
42extern void arm_output_fn_unwind (FILE *, bool);
43
44
45#ifdef TREE_CODE
46extern int arm_return_in_memory (tree);
47extern void arm_encode_call_attribute (tree, int);
48#endif
49#ifdef RTX_CODE
50extern bool arm_vector_mode_supported_p (enum machine_mode);
51extern int arm_hard_regno_mode_ok (unsigned int, enum machine_mode);
52extern int const_ok_for_arm (HOST_WIDE_INT);
53extern int arm_split_constant (RTX_CODE, enum machine_mode, rtx,
54			       HOST_WIDE_INT, rtx, rtx, int);
55extern RTX_CODE arm_canonicalize_comparison (RTX_CODE, enum machine_mode,
56					     rtx *);
57extern int legitimate_pic_operand_p (rtx);
58extern rtx legitimize_pic_address (rtx, enum machine_mode, rtx);
59extern rtx legitimize_tls_address (rtx, rtx);
60extern int arm_legitimate_address_p  (enum machine_mode, rtx, RTX_CODE, int);
61extern int thumb_legitimate_address_p (enum machine_mode, rtx, int);
62extern int thumb_legitimate_offset_p (enum machine_mode, HOST_WIDE_INT);
63extern rtx arm_legitimize_address (rtx, rtx, enum machine_mode);
64extern rtx thumb_legitimize_address (rtx, rtx, enum machine_mode);
65extern rtx thumb_legitimize_reload_address (rtx *, enum machine_mode, int, int,
66					    int);
67extern int arm_const_double_rtx (rtx);
68extern int neg_const_double_rtx_ok_for_fpa (rtx);
69extern enum reg_class coproc_secondary_reload_class (enum machine_mode, rtx,
70						     bool);
71extern bool arm_tls_referenced_p (rtx);
72
73extern int cirrus_memory_offset (rtx);
74extern int arm_coproc_mem_operand (rtx, bool);
75extern int arm_no_early_store_addr_dep (rtx, rtx);
76extern int arm_no_early_alu_shift_dep (rtx, rtx);
77extern int arm_no_early_alu_shift_value_dep (rtx, rtx);
78extern int arm_no_early_mul_dep (rtx, rtx);
79
80extern int tls_mentioned_p (rtx);
81extern int symbol_mentioned_p (rtx);
82extern int label_mentioned_p (rtx);
83extern RTX_CODE minmax_code (rtx);
84extern int adjacent_mem_locations (rtx, rtx);
85extern int load_multiple_sequence (rtx *, int, int *, int *, HOST_WIDE_INT *);
86extern const char *emit_ldm_seq (rtx *, int);
87extern int store_multiple_sequence (rtx *, int, int *, int *, HOST_WIDE_INT *);
88extern const char * emit_stm_seq (rtx *, int);
89extern rtx arm_gen_load_multiple (int, int, rtx, int, int,
90				  rtx, HOST_WIDE_INT *);
91extern rtx arm_gen_store_multiple (int, int, rtx, int, int,
92				   rtx, HOST_WIDE_INT *);
93extern int arm_gen_movmemqi (rtx *);
94extern enum machine_mode arm_select_cc_mode (RTX_CODE, rtx, rtx);
95extern enum machine_mode arm_select_dominance_cc_mode (rtx, rtx,
96						       HOST_WIDE_INT);
97extern rtx arm_gen_compare_reg (RTX_CODE, rtx, rtx);
98extern rtx arm_gen_return_addr_mask (void);
99extern void arm_reload_in_hi (rtx *);
100extern void arm_reload_out_hi (rtx *);
101extern int arm_const_double_inline_cost (rtx);
102extern bool arm_const_double_by_parts (rtx);
103extern const char *fp_immediate_constant (rtx);
104extern const char *output_call (rtx *);
105extern const char *output_call_mem (rtx *);
106extern const char *output_mov_long_double_fpa_from_arm (rtx *);
107extern const char *output_mov_long_double_arm_from_fpa (rtx *);
108extern const char *output_mov_long_double_arm_from_arm (rtx *);
109extern const char *output_mov_double_fpa_from_arm (rtx *);
110extern const char *output_mov_double_arm_from_fpa (rtx *);
111extern const char *output_move_double (rtx *);
112extern const char *output_add_immediate (rtx *);
113extern const char *arithmetic_instr (rtx, int);
114extern void output_ascii_pseudo_op (FILE *, const unsigned char *, int);
115extern const char *output_return_instruction (rtx, int, int);
116extern void arm_poke_function_name (FILE *, const char *);
117extern void arm_print_operand (FILE *, rtx, int);
118extern void arm_print_operand_address (FILE *, rtx);
119extern void arm_final_prescan_insn (rtx);
120extern int arm_go_if_legitimate_address (enum machine_mode, rtx);
121extern int arm_debugger_arg_offset (int, rtx);
122extern int arm_is_longcall_p (rtx, int, int);
123extern int    arm_emit_vector_const (FILE *, rtx);
124extern const char * arm_output_load_gr (rtx *);
125extern const char *vfp_output_fstmx (rtx *);
126extern void arm_set_return_address (rtx, rtx);
127extern int arm_eliminable_register (rtx);
128
129extern bool arm_output_addr_const_extra (FILE *, rtx);
130
131#if defined TREE_CODE
132extern rtx arm_function_arg (CUMULATIVE_ARGS *, enum machine_mode, tree, int);
133extern void arm_init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, tree);
134extern bool arm_pad_arg_upward (enum machine_mode, tree);
135extern bool arm_pad_reg_upward (enum machine_mode, tree, int);
136extern bool arm_needs_doubleword_align (enum machine_mode, tree);
137extern rtx arm_function_value(tree, tree);
138#endif
139extern int arm_apply_result_size (void);
140
141#if defined AOF_ASSEMBLER
142extern rtx aof_pic_entry (rtx);
143extern void aof_add_import (const char *);
144extern void aof_delete_import (const char *);
145extern void zero_init_section (void);
146#endif /* AOF_ASSEMBLER */
147
148#endif /* RTX_CODE */
149
150extern int arm_float_words_big_endian (void);
151
152/* Thumb functions.  */
153extern void arm_init_expanders (void);
154extern const char *thumb_unexpanded_epilogue (void);
155extern void thumb_expand_prologue (void);
156extern void thumb_expand_epilogue (void);
157#ifdef TREE_CODE
158extern int is_called_in_ARM_mode (tree);
159#endif
160extern int thumb_shiftable_const (unsigned HOST_WIDE_INT);
161#ifdef RTX_CODE
162extern void thumb_final_prescan_insn (rtx);
163extern const char *thumb_load_double_from_address (rtx *);
164extern const char *thumb_output_move_mem_multiple (int, rtx *);
165extern const char *thumb_call_via_reg (rtx);
166extern void thumb_expand_movmemqi (rtx *);
167extern int thumb_go_if_legitimate_address (enum machine_mode, rtx);
168extern rtx arm_return_addr (int, rtx);
169extern void thumb_reload_out_hi (rtx *);
170extern void thumb_reload_in_hi (rtx *);
171extern void thumb_set_return_address (rtx, rtx);
172#endif
173
174/* Defined in pe.c.  */
175extern int arm_dllexport_name_p (const char *);
176extern int arm_dllimport_name_p (const char *);
177
178#ifdef TREE_CODE
179extern void arm_pe_unique_section (tree, int);
180extern void arm_pe_encode_section_info (tree, rtx, int);
181extern int arm_dllexport_p (tree);
182extern int arm_dllimport_p (tree);
183extern void arm_mark_dllexport (tree);
184extern void arm_mark_dllimport (tree);
185#endif
186
187extern void arm_pr_long_calls (struct cpp_reader *);
188extern void arm_pr_no_long_calls (struct cpp_reader *);
189extern void arm_pr_long_calls_off (struct cpp_reader *);
190
191#endif /* ! GCC_ARM_PROTOS_H */
192