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1 /* Copyright (C) 1989, 1997, 1998, 1999, 2000, 2009 Free Software Foundation, Inc.
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2
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3 This file is part of GCC.
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4
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5 GCC is free software; you can redistribute it and/or modify
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6 it under the terms of the GNU General Public License as published by
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7 the Free Software Foundation; either version 3, or (at your option)
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8 any later version.
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9
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10 GCC is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 GNU General Public License for more details.
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14
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15 Under Section 7 of GPL version 3, you are granted additional
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16 permissions described in the GCC Runtime Library Exception, version
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17 3.1, as published by the Free Software Foundation.
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18
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19 You should have received a copy of the GNU General Public License and
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20 a copy of the GCC Runtime Library Exception along with this program;
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21 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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22 <http://www.gnu.org/licenses/>. */
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23
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24 /*
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25 * ISO C Standard: 7.15 Variable arguments <stdarg.h>
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26 */
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27
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28 #ifndef _STDARG_H
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29 #ifndef _ANSI_STDARG_H_
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30 #ifndef __need___va_list
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31 #define _STDARG_H
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32 #define _ANSI_STDARG_H_
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33 #endif /* not __need___va_list */
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34 #undef __need___va_list
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35
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36 /* Define __gnuc_va_list. */
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37
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38 #ifndef __GNUC_VA_LIST
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39 #define __GNUC_VA_LIST
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40 typedef __builtin_va_list __gnuc_va_list;
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41 #endif
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42
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43 /* Define the standard macros for the user,
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44 if this invocation was from the user program. */
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45 #ifdef _STDARG_H
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46
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47 #define va_start(v,l) __builtin_va_start(v,l)
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48 #define va_end(v) __builtin_va_end(v)
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49 #define va_arg(v,l) __builtin_va_arg(v,l)
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50 #if !defined(__STRICT_ANSI__) || __STDC_VERSION__ + 0 >= 199900L || defined(__GXX_EXPERIMENTAL_CXX0X__)
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51 #define va_copy(d,s) __builtin_va_copy(d,s)
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52 #endif
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53 #define __va_copy(d,s) __builtin_va_copy(d,s)
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54
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55 /* Define va_list, if desired, from __gnuc_va_list. */
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56 /* We deliberately do not define va_list when called from
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57 stdio.h, because ANSI C says that stdio.h is not supposed to define
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58 va_list. stdio.h needs to have access to that data type,
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59 but must not use that name. It should use the name __gnuc_va_list,
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60 which is safe because it is reserved for the implementation. */
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61
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62 #ifdef _HIDDEN_VA_LIST /* On OSF1, this means varargs.h is "half-loaded". */
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63 #undef _VA_LIST
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64 #endif
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65
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66 #ifdef _BSD_VA_LIST
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67 #undef _BSD_VA_LIST
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68 #endif
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69
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70 #if defined(__svr4__) || (defined(_SCO_DS) && !defined(__VA_LIST))
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71 /* SVR4.2 uses _VA_LIST for an internal alias for va_list,
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72 so we must avoid testing it and setting it here.
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73 SVR4 uses _VA_LIST as a flag in stdarg.h, but we should
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74 have no conflict with that. */
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75 #ifndef _VA_LIST_
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76 #define _VA_LIST_
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77 #ifdef __i860__
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78 #ifndef _VA_LIST
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79 #define _VA_LIST va_list
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80 #endif
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81 #endif /* __i860__ */
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82 typedef __gnuc_va_list va_list;
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83 #ifdef _SCO_DS
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84 #define __VA_LIST
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85 #endif
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86 #endif /* _VA_LIST_ */
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87 #else /* not __svr4__ || _SCO_DS */
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88
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89 /* The macro _VA_LIST_ is the same thing used by this file in Ultrix.
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90 But on BSD NET2 we must not test or define or undef it.
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91 (Note that the comments in NET 2's ansi.h
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92 are incorrect for _VA_LIST_--see stdio.h!) */
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93 #if !defined (_VA_LIST_) || defined (__BSD_NET2__) || defined (____386BSD____) || defined (__bsdi__) || defined (__sequent__) || defined (__FreeBSD__) || defined(WINNT)
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94 /* The macro _VA_LIST_DEFINED is used in Windows NT 3.5 */
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95 #ifndef _VA_LIST_DEFINED
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96 /* The macro _VA_LIST is used in SCO Unix 3.2. */
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97 #ifndef _VA_LIST
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98 /* The macro _VA_LIST_T_H is used in the Bull dpx2 */
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99 #ifndef _VA_LIST_T_H
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100 /* The macro __va_list__ is used by BeOS. */
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101 #ifndef __va_list__
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102 typedef __gnuc_va_list va_list;
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103 #endif /* not __va_list__ */
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104 #endif /* not _VA_LIST_T_H */
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105 #endif /* not _VA_LIST */
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106 #endif /* not _VA_LIST_DEFINED */
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107 #if !(defined (__BSD_NET2__) || defined (____386BSD____) || defined (__bsdi__) || defined (__sequent__) || defined (__FreeBSD__))
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108 #define _VA_LIST_
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109 #endif
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110 #ifndef _VA_LIST
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111 #define _VA_LIST
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112 #endif
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113 #ifndef _VA_LIST_DEFINED
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114 #define _VA_LIST_DEFINED
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115 #endif
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116 #ifndef _VA_LIST_T_H
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117 #define _VA_LIST_T_H
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118 #endif
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119 #ifndef __va_list__
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120 #define __va_list__
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121 #endif
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122
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123 #endif /* not _VA_LIST_, except on certain systems */
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124
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125 #endif /* not __svr4__ */
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126
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127 #endif /* _STDARG_H */
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128
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129 #endif /* not _ANSI_STDARG_H_ */
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130 #endif /* not _STDARG_H */
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