/* Subroutines for insn-output.c for NetWare.
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/* Subroutines for insn-output.c for NetWare.
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Contributed by Jan Beulich (jbeulich@novell.com)
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Contributed by Jan Beulich (jbeulich@novell.com)
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Copyright (C) 2004, 2005, 2007 Free Software Foundation, Inc.
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Copyright (C) 2004, 2005, 2007 Free Software Foundation, Inc.
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This file is part of GCC.
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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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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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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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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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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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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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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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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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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<http://www.gnu.org/licenses/>. */
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#include "config.h"
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#include "config.h"
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#include "system.h"
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#include "system.h"
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#include "coretypes.h"
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#include "coretypes.h"
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#include "tm.h"
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#include "tm.h"
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#include "rtl.h"
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#include "rtl.h"
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#include "regs.h"
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#include "regs.h"
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#include "hard-reg-set.h"
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#include "hard-reg-set.h"
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#include "output.h"
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#include "output.h"
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#include "tree.h"
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#include "tree.h"
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#include "flags.h"
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#include "flags.h"
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#include "tm_p.h"
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#include "tm_p.h"
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#include "toplev.h"
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#include "toplev.h"
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#include "ggc.h"
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#include "ggc.h"
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/* Return string which is the former assembler name modified with an
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/* Return string which is the former assembler name modified with an
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underscore prefix and a suffix consisting of an atsign (@) followed
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underscore prefix and a suffix consisting of an atsign (@) followed
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by the number of bytes of arguments */
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by the number of bytes of arguments */
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static tree
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static tree
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gen_stdcall_or_fastcall_decoration (tree decl, char prefix)
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gen_stdcall_or_fastcall_decoration (tree decl, char prefix)
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{
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{
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unsigned total = 0;
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unsigned total = 0;
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/* ??? This probably should use XSTR (XEXP (DECL_RTL (decl), 0), 0) instead
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/* ??? This probably should use XSTR (XEXP (DECL_RTL (decl), 0), 0) instead
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of DECL_ASSEMBLER_NAME. */
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of DECL_ASSEMBLER_NAME. */
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const char *asmname = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
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const char *asmname = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
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char *newsym;
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char *newsym;
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tree formal_type = TYPE_ARG_TYPES (TREE_TYPE (decl));
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tree formal_type = TYPE_ARG_TYPES (TREE_TYPE (decl));
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if (formal_type != NULL_TREE)
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if (formal_type != NULL_TREE)
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{
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{
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/* These attributes are ignored for variadic functions in
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/* These attributes are ignored for variadic functions in
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i386.c:ix86_return_pops_args. For compatibility with MS
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i386.c:ix86_return_pops_args. For compatibility with MS
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compiler do not add @0 suffix here. */
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compiler do not add @0 suffix here. */
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if (TREE_VALUE (tree_last (formal_type)) != void_type_node)
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if (TREE_VALUE (tree_last (formal_type)) != void_type_node)
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return NULL_TREE;
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return NULL_TREE;
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/* Quit if we hit an incomplete type. Error is reported
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/* Quit if we hit an incomplete type. Error is reported
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by convert_arguments in c-typeck.c or cp/typeck.c. */
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by convert_arguments in c-typeck.c or cp/typeck.c. */
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while (TREE_VALUE (formal_type) != void_type_node
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while (TREE_VALUE (formal_type) != void_type_node
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&& COMPLETE_TYPE_P (TREE_VALUE (formal_type)))
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&& COMPLETE_TYPE_P (TREE_VALUE (formal_type)))
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{
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{
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unsigned parm_size
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unsigned parm_size
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= TREE_INT_CST_LOW (TYPE_SIZE (TREE_VALUE (formal_type)));
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= TREE_INT_CST_LOW (TYPE_SIZE (TREE_VALUE (formal_type)));
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/* Must round up to include padding. This is done the same
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/* Must round up to include padding. This is done the same
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way as in store_one_arg. */
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way as in store_one_arg. */
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parm_size = ((parm_size + PARM_BOUNDARY - 1)
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parm_size = ((parm_size + PARM_BOUNDARY - 1)
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/ PARM_BOUNDARY * PARM_BOUNDARY);
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/ PARM_BOUNDARY * PARM_BOUNDARY);
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total += parm_size;
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total += parm_size;
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formal_type = TREE_CHAIN (formal_type);
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formal_type = TREE_CHAIN (formal_type);
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}
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}
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}
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}
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newsym = alloca (1 + strlen (asmname) + 1 + 10 + 1);
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newsym = alloca (1 + strlen (asmname) + 1 + 10 + 1);
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return get_identifier_with_length (newsym,
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return get_identifier_with_length (newsym,
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sprintf (newsym,
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sprintf (newsym,
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"%c%s@%u",
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"%c%s@%u",
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prefix,
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prefix,
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asmname,
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asmname,
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total / BITS_PER_UNIT));
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total / BITS_PER_UNIT));
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}
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}
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/* Return string which is the former assembler name modified with an
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/* Return string which is the former assembler name modified with an
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_n@ prefix where n represents the number of arguments passed in
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_n@ prefix where n represents the number of arguments passed in
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registers */
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registers */
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static tree
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static tree
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gen_regparm_prefix (tree decl, unsigned nregs)
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gen_regparm_prefix (tree decl, unsigned nregs)
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{
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{
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unsigned total = 0;
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unsigned total = 0;
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/* ??? This probably should use XSTR (XEXP (DECL_RTL (decl), 0), 0) instead
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/* ??? This probably should use XSTR (XEXP (DECL_RTL (decl), 0), 0) instead
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of DECL_ASSEMBLER_NAME. */
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of DECL_ASSEMBLER_NAME. */
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const char *asmname = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
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const char *asmname = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
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char *newsym;
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char *newsym;
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tree formal_type = TYPE_ARG_TYPES (TREE_TYPE (decl));
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tree formal_type = TYPE_ARG_TYPES (TREE_TYPE (decl));
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if (formal_type != NULL_TREE)
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if (formal_type != NULL_TREE)
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{
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{
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/* This attribute is ignored for variadic functions. */
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/* This attribute is ignored for variadic functions. */
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if (TREE_VALUE (tree_last (formal_type)) != void_type_node)
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if (TREE_VALUE (tree_last (formal_type)) != void_type_node)
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return NULL_TREE;
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return NULL_TREE;
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/* Quit if we hit an incomplete type. Error is reported
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/* Quit if we hit an incomplete type. Error is reported
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by convert_arguments in c-typeck.c or cp/typeck.c. */
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by convert_arguments in c-typeck.c or cp/typeck.c. */
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while (TREE_VALUE (formal_type) != void_type_node
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while (TREE_VALUE (formal_type) != void_type_node
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&& COMPLETE_TYPE_P (TREE_VALUE (formal_type)))
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&& COMPLETE_TYPE_P (TREE_VALUE (formal_type)))
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{
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{
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unsigned parm_size
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unsigned parm_size
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= TREE_INT_CST_LOW (TYPE_SIZE (TREE_VALUE (formal_type)));
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= TREE_INT_CST_LOW (TYPE_SIZE (TREE_VALUE (formal_type)));
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/* Must round up to include padding. This is done the same
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/* Must round up to include padding. This is done the same
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way as in store_one_arg. */
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way as in store_one_arg. */
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parm_size = ((parm_size + PARM_BOUNDARY - 1)
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parm_size = ((parm_size + PARM_BOUNDARY - 1)
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/ PARM_BOUNDARY * PARM_BOUNDARY);
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/ PARM_BOUNDARY * PARM_BOUNDARY);
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total += parm_size;
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total += parm_size;
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formal_type = TREE_CHAIN (formal_type);
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formal_type = TREE_CHAIN (formal_type);
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}
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}
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}
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}
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if (nregs > total / BITS_PER_WORD)
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if (nregs > total / BITS_PER_WORD)
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nregs = total / BITS_PER_WORD;
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nregs = total / BITS_PER_WORD;
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gcc_assert (nregs <= 9);
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gcc_assert (nregs <= 9);
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newsym = alloca (3 + strlen (asmname) + 1);
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newsym = alloca (3 + strlen (asmname) + 1);
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return get_identifier_with_length (newsym,
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return get_identifier_with_length (newsym,
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sprintf (newsym,
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sprintf (newsym,
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"_%u@%s",
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"_%u@%s",
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nregs,
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nregs,
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asmname));
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asmname));
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}
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}
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void
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void
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i386_nlm_encode_section_info (tree decl, rtx rtl, int first)
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i386_nlm_encode_section_info (tree decl, rtx rtl, int first)
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{
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{
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default_encode_section_info (decl, rtl, first);
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default_encode_section_info (decl, rtl, first);
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if (first
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if (first
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&& TREE_CODE (decl) == FUNCTION_DECL
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&& TREE_CODE (decl) == FUNCTION_DECL
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&& *IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl)) != '*'
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&& *IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl)) != '*'
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&& !strchr (IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl)), '@'))
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&& !strchr (IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl)), '@'))
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{
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{
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tree type_attributes = TYPE_ATTRIBUTES (TREE_TYPE (decl));
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tree type_attributes = TYPE_ATTRIBUTES (TREE_TYPE (decl));
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tree newid;
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tree newid;
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if (lookup_attribute ("stdcall", type_attributes))
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if (lookup_attribute ("stdcall", type_attributes))
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newid = gen_stdcall_or_fastcall_decoration (decl, '_');
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newid = gen_stdcall_or_fastcall_decoration (decl, '_');
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else if (lookup_attribute ("fastcall", type_attributes))
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else if (lookup_attribute ("fastcall", type_attributes))
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newid = gen_stdcall_or_fastcall_decoration (decl, FASTCALL_PREFIX);
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newid = gen_stdcall_or_fastcall_decoration (decl, FASTCALL_PREFIX);
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else if ((newid = lookup_attribute ("regparm", type_attributes)) != NULL_TREE)
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else if ((newid = lookup_attribute ("regparm", type_attributes)) != NULL_TREE)
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newid = gen_regparm_prefix (decl,
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newid = gen_regparm_prefix (decl,
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TREE_INT_CST_LOW (TREE_VALUE (TREE_VALUE (newid))));
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TREE_INT_CST_LOW (TREE_VALUE (TREE_VALUE (newid))));
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if (newid != NULL_TREE)
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if (newid != NULL_TREE)
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{
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{
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rtx rtlname = XEXP (rtl, 0);
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rtx rtlname = XEXP (rtl, 0);
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if (GET_CODE (rtlname) == MEM)
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if (GET_CODE (rtlname) == MEM)
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rtlname = XEXP (rtlname, 0);
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rtlname = XEXP (rtlname, 0);
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XSTR (rtlname, 0) = IDENTIFIER_POINTER (newid);
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XSTR (rtlname, 0) = IDENTIFIER_POINTER (newid);
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/* These attributes must be present on first declaration,
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/* These attributes must be present on first declaration,
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change_decl_assembler_name will warn if they are added
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change_decl_assembler_name will warn if they are added
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later and the decl has been referenced, but duplicate_decls
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later and the decl has been referenced, but duplicate_decls
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should catch the mismatch before this is called. */
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should catch the mismatch before this is called. */
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change_decl_assembler_name (decl, newid);
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change_decl_assembler_name (decl, newid);
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}
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}
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}
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}
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}
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}
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/* Strip the stdcall/fastcall/regparm pre-/suffix. */
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/* Strip the stdcall/fastcall/regparm pre-/suffix. */
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const char *
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const char *
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i386_nlm_strip_name_encoding (const char *str)
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i386_nlm_strip_name_encoding (const char *str)
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{
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{
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const char *name = default_strip_name_encoding (str);
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const char *name = default_strip_name_encoding (str);
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if (*str != '*' && (*name == '_' || *name == '@'))
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if (*str != '*' && (*name == '_' || *name == '@'))
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{
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{
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const char *p = strchr (name + 1, '@');
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const char *p = strchr (name + 1, '@');
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if (p)
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if (p)
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{
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{
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++name;
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++name;
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if (ISDIGIT (p[1]))
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if (ISDIGIT (p[1]))
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name = ggc_alloc_string (name, p - name);
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name = ggc_alloc_string (name, p - name);
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else
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else
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{
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{
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gcc_assert (ISDIGIT (*name));
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gcc_assert (ISDIGIT (*name));
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name++;
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name++;
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gcc_assert (name == p);
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gcc_assert (name == p);
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}
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}
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}
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}
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}
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}
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return name;
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return name;
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}
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}
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