Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/sol2-c.c @ 131:84e7813d76e9
gcc-8.2
| author | mir3636 |
|---|---|
| date | Thu, 25 Oct 2018 07:37:49 +0900 |
| parents | 04ced10e8804 |
| children | 1830386684a0 |
| rev | line source |
|---|---|
| 0 | 1 /* Solaris support needed only by C/C++ frontends. |
| 131 | 2 Copyright (C) 2004-2018 Free Software Foundation, Inc. |
| 0 | 3 Contributed by CodeSourcery, LLC. |
| 4 | |
| 5 This file is part of GCC. | |
| 6 | |
| 7 GCC is free software; you can redistribute it and/or modify | |
| 8 it under the terms of the GNU General Public License as published by | |
| 9 the Free Software Foundation; either version 3, or (at your option) | |
| 10 any later version. | |
| 11 | |
| 12 GCC is distributed in the hope that it will be useful, | |
| 13 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 GNU General Public License for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 18 along with GCC; see the file COPYING3. If not see | |
| 19 <http://www.gnu.org/licenses/>. */ | |
| 20 | |
| 21 #include "config.h" | |
| 22 #include "system.h" | |
| 23 #include "coretypes.h" | |
| 24 #include "tm.h" | |
| 111 | 25 #include "c-family/c-common.h" |
| 26 #include "stringpool.h" | |
| 27 #include "attribs.h" | |
| 0 | 28 |
|
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29 #include "c-family/c-format.h" |
| 0 | 30 #include "intl.h" |
| 31 | |
|
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32 #include "c-family/c-pragma.h" |
| 0 | 33 |
| 34 /* cmn_err only accepts "l" and "ll". */ | |
| 35 static const format_length_info cmn_err_length_specs[] = | |
| 36 { | |
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37 { "l", FMT_LEN_l, STD_C89, "ll", FMT_LEN_ll, STD_C89, 0 }, |
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38 { NULL, FMT_LEN_none, STD_C89, NULL, FMT_LEN_none, STD_C89, 0 } |
| 0 | 39 }; |
| 40 | |
| 41 static const format_flag_spec cmn_err_flag_specs[] = | |
| 42 { | |
| 111 | 43 { 'w', 0, 0, 0, N_("field width"), N_("field width in printf format"), STD_C89 }, |
| 44 { 'L', 0, 0, 0, N_("length modifier"), N_("length modifier in printf format"), STD_C89 }, | |
| 45 { 0, 0, 0, 0, NULL, NULL, STD_C89 } | |
| 0 | 46 }; |
| 47 | |
| 48 | |
| 49 static const format_flag_pair cmn_err_flag_pairs[] = | |
| 50 { | |
| 51 { 0, 0, 0, 0 } | |
| 52 }; | |
| 53 | |
| 54 static const format_char_info bitfield_string_type = | |
| 55 { "b", 1, STD_C89, { T89_C, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "", "cR", NULL }; | |
| 56 | |
| 57 static const format_char_info cmn_err_char_table[] = | |
| 58 { | |
| 59 /* C89 conversion specifiers. */ | |
| 60 { "dD", 0, STD_C89, { T89_I, BADLEN, BADLEN, T89_L, T9L_LL, BADLEN, BADLEN, BADLEN, BADLEN }, "w", "", NULL }, | |
| 61 { "oOxX",0, STD_C89, { T89_UI, BADLEN, BADLEN, T89_UL, T9L_ULL, BADLEN, BADLEN, BADLEN, BADLEN }, "w", "", NULL }, | |
| 62 { "u", 0, STD_C89, { T89_UI, BADLEN, BADLEN, T89_UL, T9L_ULL, BADLEN, BADLEN, BADLEN, BADLEN }, "w", "", NULL }, | |
| 63 { "c", 0, STD_C89, { T89_C, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "w", "", NULL }, | |
| 64 { "p", 1, STD_C89, { T89_V, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "w", "c", NULL }, | |
| 65 { "s", 1, STD_C89, { T89_C, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "w", "cR", NULL }, | |
| 66 { "b", 0, STD_C89, { T89_I, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "w", "", &bitfield_string_type }, | |
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67 { NULL, 0, STD_C89, NOLENGTHS, NULL, NULL, NULL } |
| 0 | 68 }; |
| 69 | |
| 111 | 70 EXPORTED_CONST format_kind_info solaris_format_types[] = { |
| 0 | 71 { "cmn_err", cmn_err_length_specs, cmn_err_char_table, "", NULL, |
| 72 cmn_err_flag_specs, cmn_err_flag_pairs, | |
| 73 FMT_FLAG_ARG_CONVERT|FMT_FLAG_EMPTY_PREC_OK, | |
| 74 'w', 0, 0, 0, 'L', 0, | |
| 75 &integer_type_node, &integer_type_node | |
| 76 } | |
| 77 }; | |
| 78 | |
| 79 /* Handle #pragma align ALIGNMENT (VAR [, VAR]...) */ | |
| 80 | |
| 81 static void | |
| 82 solaris_pragma_align (cpp_reader *pfile ATTRIBUTE_UNUSED) | |
| 83 { | |
| 84 tree t, x; | |
| 85 enum cpp_ttype ttype; | |
| 111 | 86 unsigned HOST_WIDE_INT low; |
| 0 | 87 |
| 88 if (pragma_lex (&x) != CPP_NUMBER | |
| 89 || pragma_lex (&t) != CPP_OPEN_PAREN) | |
| 90 { | |
| 91 warning (0, "malformed %<#pragma align%>, ignoring"); | |
| 92 return; | |
| 93 } | |
| 94 | |
| 95 low = TREE_INT_CST_LOW (x); | |
| 111 | 96 if (!tree_fits_uhwi_p (x) |
| 0 | 97 || (low != 1 && low != 2 && low != 4 && low != 8 && low != 16 |
| 98 && low != 32 && low != 64 && low != 128)) | |
| 99 { | |
| 100 warning (0, "invalid alignment for %<#pragma align%>, ignoring"); | |
| 101 return; | |
| 102 } | |
| 103 | |
| 104 ttype = pragma_lex (&t); | |
| 105 if (ttype != CPP_NAME) | |
| 106 { | |
| 107 warning (0, "malformed %<#pragma align%>, ignoring"); | |
| 108 return; | |
| 109 } | |
| 110 | |
| 111 while (1) | |
| 112 { | |
| 113 tree decl = identifier_global_value (t); | |
| 114 if (decl && DECL_P (decl)) | |
| 115 warning (0, "%<#pragma align%> must appear before the declaration of " | |
| 111 | 116 "%qD, ignoring", decl); |
| 0 | 117 else |
| 118 solaris_pending_aligns = tree_cons (t, build_tree_list (NULL, x), | |
| 119 solaris_pending_aligns); | |
| 120 | |
| 121 ttype = pragma_lex (&t); | |
| 122 if (ttype == CPP_COMMA) | |
| 123 { | |
| 124 ttype = pragma_lex (&t); | |
| 125 if (ttype != CPP_NAME) | |
| 126 { | |
| 127 warning (0, "malformed %<#pragma align%>"); | |
| 128 return; | |
| 129 } | |
| 130 } | |
| 131 else if (ttype == CPP_CLOSE_PAREN) | |
| 132 { | |
| 133 if (pragma_lex (&t) != CPP_EOF) | |
| 134 warning (0, "junk at end of %<#pragma align%>"); | |
| 135 return; | |
| 136 } | |
| 137 else | |
| 138 { | |
| 139 warning (0, "malformed %<#pragma align%>"); | |
| 140 return; | |
| 141 } | |
| 142 } | |
| 143 } | |
| 144 | |
| 145 /* Handle #pragma init (function [, function]...) */ | |
| 146 | |
| 147 static void | |
| 148 solaris_pragma_init (cpp_reader *pfile ATTRIBUTE_UNUSED) | |
| 149 { | |
| 150 tree t; | |
| 151 enum cpp_ttype ttype; | |
| 152 | |
| 153 if (pragma_lex (&t) != CPP_OPEN_PAREN) | |
| 154 { | |
| 155 warning (0, "malformed %<#pragma init%>, ignoring"); | |
| 156 return; | |
| 157 } | |
| 158 | |
| 159 ttype = pragma_lex (&t); | |
| 160 if (ttype != CPP_NAME) | |
| 161 { | |
| 162 warning (0, "malformed %<#pragma init%>, ignoring"); | |
| 163 return; | |
| 164 } | |
| 165 | |
| 166 while (1) | |
| 167 { | |
| 168 tree decl = identifier_global_value (t); | |
| 169 if (decl && DECL_P (decl)) | |
| 170 { | |
|
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171 tree attrs = build_tree_list (get_identifier ("init"), |
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172 NULL); |
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173 TREE_USED (decl) = 1; |
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174 DECL_PRESERVE_P (decl) = 1; |
| 0 | 175 decl_attributes (&decl, attrs, 0); |
| 176 } | |
| 177 else | |
| 178 solaris_pending_inits = tree_cons (t, NULL, solaris_pending_inits); | |
| 179 | |
| 180 ttype = pragma_lex (&t); | |
| 181 if (ttype == CPP_COMMA) | |
| 182 { | |
| 183 ttype = pragma_lex (&t); | |
| 184 if (ttype != CPP_NAME) | |
| 185 { | |
| 186 warning (0, "malformed %<#pragma init%>"); | |
| 187 return; | |
| 188 } | |
| 189 } | |
| 190 else if (ttype == CPP_CLOSE_PAREN) | |
| 191 { | |
| 192 if (pragma_lex (&t) != CPP_EOF) | |
| 193 warning (0, "junk at end of %<#pragma init%>"); | |
| 194 return; | |
| 195 } | |
| 196 else | |
| 197 { | |
| 198 warning (0, "malformed %<#pragma init%>"); | |
| 199 return; | |
| 200 } | |
| 201 } | |
| 202 } | |
| 203 | |
| 204 /* Handle #pragma fini (function [, function]...) */ | |
| 205 | |
| 206 static void | |
| 207 solaris_pragma_fini (cpp_reader *pfile ATTRIBUTE_UNUSED) | |
| 208 { | |
| 209 tree t; | |
| 210 enum cpp_ttype ttype; | |
| 211 | |
| 212 if (pragma_lex (&t) != CPP_OPEN_PAREN) | |
| 213 { | |
| 214 warning (0, "malformed %<#pragma fini%>, ignoring"); | |
| 215 return; | |
| 216 } | |
| 217 | |
| 218 ttype = pragma_lex (&t); | |
| 219 if (ttype != CPP_NAME) | |
| 220 { | |
| 221 warning (0, "malformed %<#pragma fini%>, ignoring"); | |
| 222 return; | |
| 223 } | |
| 224 | |
| 225 while (1) | |
| 226 { | |
| 227 tree decl = identifier_global_value (t); | |
| 228 if (decl && DECL_P (decl)) | |
| 229 { | |
|
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230 tree attrs = build_tree_list (get_identifier ("fini"), |
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231 NULL); |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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diff
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232 TREE_USED (decl) = 1; |
|
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
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233 DECL_PRESERVE_P (decl) = 1; |
| 0 | 234 decl_attributes (&decl, attrs, 0); |
| 235 } | |
| 236 else | |
| 237 solaris_pending_finis = tree_cons (t, NULL, solaris_pending_finis); | |
| 238 | |
| 239 ttype = pragma_lex (&t); | |
| 240 if (ttype == CPP_COMMA) | |
| 241 { | |
| 242 ttype = pragma_lex (&t); | |
| 243 if (ttype != CPP_NAME) | |
| 244 { | |
| 245 warning (0, "malformed %<#pragma fini%>"); | |
| 246 return; | |
| 247 } | |
| 248 } | |
| 249 else if (ttype == CPP_CLOSE_PAREN) | |
| 250 { | |
| 251 if (pragma_lex (&t) != CPP_EOF) | |
| 252 warning (0, "junk at end of %<#pragma fini%>"); | |
| 253 return; | |
| 254 } | |
| 255 else | |
| 256 { | |
| 257 warning (0, "malformed %<#pragma fini%>"); | |
| 258 return; | |
| 259 } | |
| 260 } | |
| 261 } | |
| 262 | |
| 263 /* Register Solaris-specific #pragma directives. */ | |
| 264 | |
| 265 void | |
| 266 solaris_register_pragmas (void) | |
| 267 { | |
| 268 c_register_pragma_with_expansion (0, "align", solaris_pragma_align); | |
| 269 c_register_pragma (0, "init", solaris_pragma_init); | |
| 270 c_register_pragma (0, "fini", solaris_pragma_fini); | |
| 271 } |