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annotate gcc/libfuncs.h @ 86:12b3180c7d07

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modify calls.c.
author Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
date Thu, 15 Dec 2011 02:37:13 +0900
parents f6334be47118
children 04ced10e8804
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1 /* Definitions for code generation pass of GNU compiler.
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2 Copyright (C) 2001, 2004, 2007, 2008, 2010 Free Software Foundation, Inc.
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4 This file is part of GCC.
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6 GCC is free software; you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 3, or (at your option)
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9 any later version.
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10
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11 GCC is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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16 You should have received a copy of the GNU General Public License
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17 along with GCC; see the file COPYING3. If not see
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18 <http://www.gnu.org/licenses/>. */
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20 #ifndef GCC_LIBFUNCS_H
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21 #define GCC_LIBFUNCS_H
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22
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23 #include "hashtab.h"
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25 /* Enumeration of indexes into libfunc_table. */
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26 enum libfunc_index
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27 {
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28 LTI_abort,
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29 LTI_memcpy,
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30 LTI_memmove,
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31 LTI_memcmp,
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32 LTI_memset,
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33 LTI_setbits,
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35 LTI_setjmp,
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36 LTI_longjmp,
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37 LTI_unwind_sjlj_register,
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38 LTI_unwind_sjlj_unregister,
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40 LTI_profile_function_entry,
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41 LTI_profile_function_exit,
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43 LTI_synchronize,
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45 LTI_gcov_flush,
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47 LTI_MAX
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48 };
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50 /* Information about an optab-related libfunc. We use the same hashtable
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51 for normal optabs and conversion optabs. In the first case mode2
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52 is unused. */
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53 struct GTY(()) libfunc_entry {
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54 size_t optab;
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55 enum machine_mode mode1, mode2;
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56 rtx libfunc;
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57 };
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59 /* Target-dependent globals. */
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60 struct GTY(()) target_libfuncs {
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61 /* SYMBOL_REF rtx's for the library functions that are called
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62 implicitly and not via optabs. */
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63 rtx x_libfunc_table[LTI_MAX];
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65 /* Hash table used to convert declarations into nodes. */
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66 htab_t GTY((param_is (struct libfunc_entry))) x_libfunc_hash;
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67 };
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69 extern GTY(()) struct target_libfuncs default_target_libfuncs;
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70 #if SWITCHABLE_TARGET
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71 extern struct target_libfuncs *this_target_libfuncs;
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72 #else
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73 #define this_target_libfuncs (&default_target_libfuncs)
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74 #endif
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76 #define libfunc_table \
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77 (this_target_libfuncs->x_libfunc_table)
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79 /* Accessor macros for libfunc_table. */
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81 #define abort_libfunc (libfunc_table[LTI_abort])
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82 #define memcpy_libfunc (libfunc_table[LTI_memcpy])
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83 #define memmove_libfunc (libfunc_table[LTI_memmove])
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84 #define memcmp_libfunc (libfunc_table[LTI_memcmp])
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85 #define memset_libfunc (libfunc_table[LTI_memset])
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86 #define setbits_libfunc (libfunc_table[LTI_setbits])
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87
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88 #define setjmp_libfunc (libfunc_table[LTI_setjmp])
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89 #define longjmp_libfunc (libfunc_table[LTI_longjmp])
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90 #define unwind_sjlj_register_libfunc (libfunc_table[LTI_unwind_sjlj_register])
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91 #define unwind_sjlj_unregister_libfunc \
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92 (libfunc_table[LTI_unwind_sjlj_unregister])
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93
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94 #define profile_function_entry_libfunc (libfunc_table[LTI_profile_function_entry])
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95 #define profile_function_exit_libfunc (libfunc_table[LTI_profile_function_exit])
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97 #define synchronize_libfunc (libfunc_table[LTI_synchronize])
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98
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99 #define gcov_flush_libfunc (libfunc_table[LTI_gcov_flush])
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100
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101 /* In explow.c */
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102 extern void set_stack_check_libfunc (const char *);
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103
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104 #endif /* GCC_LIBFUNCS_H */