freebsd-dev/contrib/gcc/config/i386/interix.c
David E. O'Brien 1952e2e1c1 Enlist the FreeBSD-CURRENT users as testers of what is to become Gcc 3.1.0.
These bits are taken from the FSF anoncvs repo on 1-Feb-2002 08:20 PST.
2002-02-01 18:16:02 +00:00

115 lines
3.4 KiB
C

/* Subroutines for insn-output.c for Windows NT.
Copyright (C) 1998, 1999 Free Software Foundation, Inc.
This file is part of GNU CC.
GNU CC 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 2, or (at your option)
any later version.
GNU CC 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 GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "config.h"
#include "system.h"
#include "rtl.h"
#include "regs.h"
#include "hard-reg-set.h"
#include "output.h"
#include "tree.h"
#include "flags.h"
/* Return string which is the former assembler name modified with a
suffix consisting of an atsign (@) followed by the number of bytes of
arguments */
const char *
gen_stdcall_suffix (decl)
tree decl;
{
int total = 0;
/* ??? This probably should use XSTR (XEXP (DECL_RTL (decl), 0), 0) instead
of DECL_ASSEMBLER_NAME. */
const char *const asmname = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
char *newsym;
if (TYPE_ARG_TYPES (TREE_TYPE (decl)))
if (TREE_VALUE (tree_last (TYPE_ARG_TYPES (TREE_TYPE (decl))))
== void_type_node)
{
tree formal_type = TYPE_ARG_TYPES (TREE_TYPE (decl));
while (TREE_VALUE (formal_type) != void_type_node)
{
int parm_size
= TREE_INT_CST_LOW (TYPE_SIZE (TREE_VALUE (formal_type)));
/* Must round up to include padding. This is done the same
way as in store_one_arg. */
parm_size = ((parm_size + PARM_BOUNDARY - 1)
/ PARM_BOUNDARY * PARM_BOUNDARY);
total += parm_size;
formal_type = TREE_CHAIN (formal_type);
}
}
newsym = xmalloc (strlen (asmname) + 10);
sprintf (newsym, "%s@%d", asmname, total/BITS_PER_UNIT);
return IDENTIFIER_POINTER (get_identifier (newsym));
}
#if 0
/* Turn this back on when the linker is updated to handle grouped
.data$ sections correctly. See corresponding note in i386/interix.h.
MK. */
/* Cover function for UNIQUE_SECTION. */
void
i386_pe_unique_section (decl, reloc)
tree decl;
int reloc;
{
int len;
const char *name;
char *string,*prefix;
name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
/* Strip off any encoding in fnname. */
STRIP_NAME_ENCODING (name, name);
/* The object is put in, for example, section .text$foo.
The linker will then ultimately place them in .text
(everything from the $ on is stripped). Don't put
read-only data in .rdata section to avoid a PE linker
bug when .rdata$* grouped sections are used in code
without a .rdata section. */
if (TREE_CODE (decl) == FUNCTION_DECL)
prefix = ".text$";
/* else if (DECL_INITIAL (decl) == 0
|| DECL_INITIAL (decl) == error_mark_node)
prefix = ".bss"; */
else if (DECL_READONLY_SECTION (decl, reloc))
#ifdef READONLY_DATA_SECTION
prefix = ".rdata$";
#else
prefix = ".text$";
#endif
else
prefix = ".data$";
len = strlen (name) + strlen (prefix);
string = alloca (len + 1);
sprintf (string, "%s%s", prefix, name);
DECL_SECTION_NAME (decl) = build_string (len, string);
}
#endif /* 0 */