273 lines
7.1 KiB
C
273 lines
7.1 KiB
C
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/* Solaris support needed only by C/C++ frontends.
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Copyright (C) 2004, 2005 Free Software Foundation, Inc.
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Contributed by CodeSourcery, LLC.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING. If not, write to
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the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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#include "config.h"
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#include "system.h"
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#include "coretypes.h"
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#include "tree.h"
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#include "tm.h"
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#include "tm_p.h"
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#include "toplev.h"
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#include "c-format.h"
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#include "intl.h"
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#include "cpplib.h"
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#include "c-pragma.h"
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#include "c-common.h"
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/* cmn_err only accepts "l" and "ll". */
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static const format_length_info cmn_err_length_specs[] =
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{
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{ "l", FMT_LEN_l, STD_C89, "ll", FMT_LEN_ll, STD_C89 },
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{ NULL, 0, 0, NULL, 0, 0 }
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};
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static const format_flag_spec cmn_err_flag_specs[] =
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{
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{ 'w', 0, 0, N_("field width"), N_("field width in printf format"), STD_C89 },
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{ 'L', 0, 0, N_("length modifier"), N_("length modifier in printf format"), STD_C89 },
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{ 0, 0, 0, NULL, NULL, 0 }
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};
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static const format_flag_pair cmn_err_flag_pairs[] =
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{
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{ 0, 0, 0, 0 }
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};
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static const format_char_info bitfield_string_type =
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{ "b", 1, STD_C89, { T89_C, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "", "cR", NULL };
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static const format_char_info cmn_err_char_table[] =
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{
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/* C89 conversion specifiers. */
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{ "dD", 0, STD_C89, { T89_I, BADLEN, BADLEN, T89_L, T9L_LL, BADLEN, BADLEN, BADLEN, BADLEN }, "w", "", NULL },
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{ "oOxX",0, STD_C89, { T89_UI, BADLEN, BADLEN, T89_UL, T9L_ULL, BADLEN, BADLEN, BADLEN, BADLEN }, "w", "", NULL },
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{ "u", 0, STD_C89, { T89_UI, BADLEN, BADLEN, T89_UL, T9L_ULL, BADLEN, BADLEN, BADLEN, BADLEN }, "w", "", NULL },
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{ "c", 0, STD_C89, { T89_C, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "w", "", NULL },
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{ "p", 1, STD_C89, { T89_V, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "w", "c", NULL },
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{ "s", 1, STD_C89, { T89_C, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "w", "cR", NULL },
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{ "b", 0, STD_C89, { T89_I, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "w", "", &bitfield_string_type },
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{ NULL, 0, 0, NOLENGTHS, NULL, NULL, NULL }
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};
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const format_kind_info solaris_format_types[] = {
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{ "cmn_err", cmn_err_length_specs, cmn_err_char_table, "", NULL,
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cmn_err_flag_specs, cmn_err_flag_pairs,
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FMT_FLAG_ARG_CONVERT|FMT_FLAG_EMPTY_PREC_OK,
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'w', 0, 0, 0, 'L',
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&integer_type_node, &integer_type_node
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}
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};
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/* Handle #pragma align ALIGNMENT (VAR [, VAR]...) */
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static void
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solaris_pragma_align (cpp_reader *pfile ATTRIBUTE_UNUSED)
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{
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tree t, x;
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enum cpp_ttype ttype;
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HOST_WIDE_INT low;
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if (c_lex (&x) != CPP_NUMBER
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|| c_lex (&t) != CPP_OPEN_PAREN)
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{
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warning (0, "malformed %<#pragma align%>, ignoring");
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return;
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}
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low = TREE_INT_CST_LOW (x);
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if (TREE_INT_CST_HIGH (x) != 0
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|| (low != 1 && low != 2 && low != 4 && low != 8 && low != 16
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&& low != 32 && low != 64 && low != 128))
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{
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warning (0, "invalid alignment for %<#pragma align%>, ignoring");
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return;
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}
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ttype = c_lex (&t);
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if (ttype != CPP_NAME)
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{
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warning (0, "malformed %<#pragma align%>, ignoring");
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return;
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}
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while (1)
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{
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tree decl = identifier_global_value (t);
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if (decl && DECL_P (decl))
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warning (0, "%<#pragma align%> must appear before the declaration of "
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"%D, ignoring", decl);
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else
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solaris_pending_aligns = tree_cons (t, build_tree_list (NULL, x),
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solaris_pending_aligns);
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ttype = c_lex (&t);
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if (ttype == CPP_COMMA)
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{
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ttype = c_lex (&t);
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if (ttype != CPP_NAME)
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{
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warning (0, "malformed %<#pragma align%>");
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return;
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}
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}
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else if (ttype == CPP_CLOSE_PAREN)
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{
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if (c_lex (&t) != CPP_EOF)
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warning (0, "junk at end of %<#pragma align%>");
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return;
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}
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else
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{
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warning (0, "malformed %<#pragma align%>");
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return;
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}
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}
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}
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/* Handle #pragma init (function [, function]...) */
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static void
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solaris_pragma_init (cpp_reader *pfile ATTRIBUTE_UNUSED)
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{
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tree t;
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enum cpp_ttype ttype;
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if (c_lex (&t) != CPP_OPEN_PAREN)
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{
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warning (0, "malformed %<#pragma init%>, ignoring");
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return;
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}
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ttype = c_lex (&t);
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if (ttype != CPP_NAME)
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{
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warning (0, "malformed %<#pragma init%>, ignoring");
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return;
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}
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while (1)
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{
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tree decl = identifier_global_value (t);
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if (decl && DECL_P (decl))
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{
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tree init_list = build_tree_list (get_identifier ("init"),
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NULL);
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tree attrs = tree_cons (get_identifier ("used"), NULL, init_list);
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decl_attributes (&decl, attrs, 0);
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}
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else
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solaris_pending_inits = tree_cons (t, NULL, solaris_pending_inits);
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ttype = c_lex (&t);
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if (ttype == CPP_COMMA)
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{
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ttype = c_lex (&t);
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if (ttype != CPP_NAME)
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{
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warning (0, "malformed %<#pragma init%>");
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return;
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}
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}
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else if (ttype == CPP_CLOSE_PAREN)
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{
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if (c_lex (&t) != CPP_EOF)
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warning (0, "junk at end of %<#pragma init%>");
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return;
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}
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else
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{
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warning (0, "malformed %<#pragma init%>");
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return;
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}
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}
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}
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/* Handle #pragma fini (function [, function]...) */
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static void
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solaris_pragma_fini (cpp_reader *pfile ATTRIBUTE_UNUSED)
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{
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tree t;
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enum cpp_ttype ttype;
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if (c_lex (&t) != CPP_OPEN_PAREN)
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{
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warning (0, "malformed %<#pragma fini%>, ignoring");
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return;
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}
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ttype = c_lex (&t);
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if (ttype != CPP_NAME)
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{
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warning (0, "malformed %<#pragma fini%>, ignoring");
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return;
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}
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while (1)
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{
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tree decl = identifier_global_value (t);
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if (decl && DECL_P (decl))
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{
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tree fini_list = build_tree_list (get_identifier ("fini"),
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NULL);
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tree attrs = tree_cons (get_identifier ("used"), NULL, fini_list);
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decl_attributes (&decl, attrs, 0);
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}
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else
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solaris_pending_finis = tree_cons (t, NULL, solaris_pending_finis);
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ttype = c_lex (&t);
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if (ttype == CPP_COMMA)
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{
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ttype = c_lex (&t);
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if (ttype != CPP_NAME)
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{
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warning (0, "malformed %<#pragma fini%>");
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return;
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}
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}
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else if (ttype == CPP_CLOSE_PAREN)
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{
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if (c_lex (&t) != CPP_EOF)
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warning (0, "junk at end of %<#pragma fini%>");
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return;
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}
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else
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{
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warning (0, "malformed %<#pragma fini%>");
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return;
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}
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}
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}
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/* Register Solaris-specific #pragma directives. */
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void
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solaris_register_pragmas (void)
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{
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c_register_pragma_with_expansion (0, "align", solaris_pragma_align);
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c_register_pragma (0, "init", solaris_pragma_init);
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c_register_pragma (0, "fini", solaris_pragma_fini);
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}
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