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/* Solaris support needed only by C/C++ frontends.
Copyright (C) 2004-2015 Free Software Foundation, Inc.
Contributed by CodeSourcery, LLC.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "tree.h"
#include "stringpool.h"
#include "attribs.h"
#include "tm.h"
#include "tm_p.h"
#include "c-family/c-format.h"
#include "intl.h"
#include "cpplib.h"
#include "c-family/c-pragma.h"
#include "c-family/c-common.h"
/* cmn_err only accepts "l" and "ll". */
static const format_length_info cmn_err_length_specs[] =
{
{ "l", FMT_LEN_l, STD_C89, "ll", FMT_LEN_ll, STD_C89, 0 },
{ NULL, FMT_LEN_none, STD_C89, NULL, FMT_LEN_none, STD_C89, 0 }
};
static const format_flag_spec cmn_err_flag_specs[] =
{
{ 'w', 0, 0, N_("field width"), N_("field width in printf format"), STD_C89 },
{ 'L', 0, 0, N_("length modifier"), N_("length modifier in printf format"), STD_C89 },
{ 0, 0, 0, NULL, NULL, STD_C89 }
};
static const format_flag_pair cmn_err_flag_pairs[] =
{
{ 0, 0, 0, 0 }
};
static const format_char_info bitfield_string_type =
{ "b", 1, STD_C89, { T89_C, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "", "cR", NULL };
static const format_char_info cmn_err_char_table[] =
{
/* C89 conversion specifiers. */
{ "dD", 0, STD_C89, { T89_I, BADLEN, BADLEN, T89_L, T9L_LL, BADLEN, BADLEN, BADLEN, BADLEN }, "w", "", NULL },
{ "oOxX",0, STD_C89, { T89_UI, BADLEN, BADLEN, T89_UL, T9L_ULL, BADLEN, BADLEN, BADLEN, BADLEN }, "w", "", NULL },
{ "u", 0, STD_C89, { T89_UI, BADLEN, BADLEN, T89_UL, T9L_ULL, BADLEN, BADLEN, BADLEN, BADLEN }, "w", "", NULL },
{ "c", 0, STD_C89, { T89_C, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "w", "", NULL },
{ "p", 1, STD_C89, { T89_V, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "w", "c", NULL },
{ "s", 1, STD_C89, { T89_C, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "w", "cR", NULL },
{ "b", 0, STD_C89, { T89_I, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "w", "", &bitfield_string_type },
{ NULL, 0, STD_C89, NOLENGTHS, NULL, NULL, NULL }
};
EXPORTED_CONST format_kind_info solaris_format_types[] = {
{ "cmn_err", cmn_err_length_specs, cmn_err_char_table, "", NULL,
cmn_err_flag_specs, cmn_err_flag_pairs,
FMT_FLAG_ARG_CONVERT|FMT_FLAG_EMPTY_PREC_OK,
'w', 0, 0, 0, 'L', 0,
&integer_type_node, &integer_type_node
}
};
/* Handle #pragma align ALIGNMENT (VAR [, VAR]...) */
static void
solaris_pragma_align (cpp_reader *pfile ATTRIBUTE_UNUSED)
{
tree t, x;
enum cpp_ttype ttype;
unsigned HOST_WIDE_INT low;
if (pragma_lex (&x) != CPP_NUMBER
|| pragma_lex (&t) != CPP_OPEN_PAREN)
{
warning (0, "malformed %<#pragma align%>, ignoring");
return;
}
low = TREE_INT_CST_LOW (x);
if (!tree_fits_uhwi_p (x)
|| (low != 1 && low != 2 && low != 4 && low != 8 && low != 16
&& low != 32 && low != 64 && low != 128))
{
warning (0, "invalid alignment for %<#pragma align%>, ignoring");
return;
}
ttype = pragma_lex (&t);
if (ttype != CPP_NAME)
{
warning (0, "malformed %<#pragma align%>, ignoring");
return;
}
while (1)
{
tree decl = identifier_global_value (t);
if (decl && DECL_P (decl))
warning (0, "%<#pragma align%> must appear before the declaration of "
"%D, ignoring", decl);
else
solaris_pending_aligns = tree_cons (t, build_tree_list (NULL, x),
solaris_pending_aligns);
ttype = pragma_lex (&t);
if (ttype == CPP_COMMA)
{
ttype = pragma_lex (&t);
if (ttype != CPP_NAME)
{
warning (0, "malformed %<#pragma align%>");
return;
}
}
else if (ttype == CPP_CLOSE_PAREN)
{
if (pragma_lex (&t) != CPP_EOF)
warning (0, "junk at end of %<#pragma align%>");
return;
}
else
{
warning (0, "malformed %<#pragma align%>");
return;
}
}
}
/* Handle #pragma init (function [, function]...) */
static void
solaris_pragma_init (cpp_reader *pfile ATTRIBUTE_UNUSED)
{
tree t;
enum cpp_ttype ttype;
if (pragma_lex (&t) != CPP_OPEN_PAREN)
{
warning (0, "malformed %<#pragma init%>, ignoring");
return;
}
ttype = pragma_lex (&t);
if (ttype != CPP_NAME)
{
warning (0, "malformed %<#pragma init%>, ignoring");
return;
}
while (1)
{
tree decl = identifier_global_value (t);
if (decl && DECL_P (decl))
{
tree attrs = build_tree_list (get_identifier ("init"),
NULL);
TREE_USED (decl) = 1;
DECL_PRESERVE_P (decl) = 1;
decl_attributes (&decl, attrs, 0);
}
else
solaris_pending_inits = tree_cons (t, NULL, solaris_pending_inits);
ttype = pragma_lex (&t);
if (ttype == CPP_COMMA)
{
ttype = pragma_lex (&t);
if (ttype != CPP_NAME)
{
warning (0, "malformed %<#pragma init%>");
return;
}
}
else if (ttype == CPP_CLOSE_PAREN)
{
if (pragma_lex (&t) != CPP_EOF)
warning (0, "junk at end of %<#pragma init%>");
return;
}
else
{
warning (0, "malformed %<#pragma init%>");
return;
}
}
}
/* Handle #pragma fini (function [, function]...) */
static void
solaris_pragma_fini (cpp_reader *pfile ATTRIBUTE_UNUSED)
{
tree t;
enum cpp_ttype ttype;
if (pragma_lex (&t) != CPP_OPEN_PAREN)
{
warning (0, "malformed %<#pragma fini%>, ignoring");
return;
}
ttype = pragma_lex (&t);
if (ttype != CPP_NAME)
{
warning (0, "malformed %<#pragma fini%>, ignoring");
return;
}
while (1)
{
tree decl = identifier_global_value (t);
if (decl && DECL_P (decl))
{
tree attrs = build_tree_list (get_identifier ("fini"),
NULL);
TREE_USED (decl) = 1;
DECL_PRESERVE_P (decl) = 1;
decl_attributes (&decl, attrs, 0);
}
else
solaris_pending_finis = tree_cons (t, NULL, solaris_pending_finis);
ttype = pragma_lex (&t);
if (ttype == CPP_COMMA)
{
ttype = pragma_lex (&t);
if (ttype != CPP_NAME)
{
warning (0, "malformed %<#pragma fini%>");
return;
}
}
else if (ttype == CPP_CLOSE_PAREN)
{
if (pragma_lex (&t) != CPP_EOF)
warning (0, "junk at end of %<#pragma fini%>");
return;
}
else
{
warning (0, "malformed %<#pragma fini%>");
return;
}
}
}
/* Register Solaris-specific #pragma directives. */
void
solaris_register_pragmas (void)
{
c_register_pragma_with_expansion (0, "align", solaris_pragma_align);
c_register_pragma (0, "init", solaris_pragma_init);
c_register_pragma (0, "fini", solaris_pragma_fini);
}
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