Subversion Repositories openrisc_2011-10-31

/* Definitions of target machine for GCC,

   for i386/ELF NetBSD systems.

   Copyright (C) 2001, 2002, 2004, 2007 Free Software Foundation, Inc.

   Contributed by matthew green <mrg@eterna.com.au>

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/>.  */

#define TARGET_OS_CPP_BUILTINS()                \

  do                                            \

    {                                           \

      NETBSD_OS_CPP_BUILTINS_ELF();             \

    }                                           \

  while (0)

/* Extra specs needed for NetBSD/i386 ELF.  */

#undef SUBTARGET_EXTRA_SPECS

#define SUBTARGET_EXTRA_SPECS                   \

  { "netbsd_cpp_spec", NETBSD_CPP_SPEC },       \

  { "netbsd_entry_point", NETBSD_ENTRY_POINT },

/* Provide a LINK_SPEC appropriate for a NetBSD/i386 ELF target.  */

#undef LINK_SPEC

#define LINK_SPEC NETBSD_LINK_SPEC_ELF

#define NETBSD_ENTRY_POINT "__start"

/* Provide a CPP_SPEC appropriate for NetBSD.  */

#undef CPP_SPEC

#define CPP_SPEC "%(netbsd_cpp_spec)"

/* Make gcc agree with <machine/ansi.h> */

#undef SIZE_TYPE

#define SIZE_TYPE "unsigned int"

#undef PTRDIFF_TYPE

#define PTRDIFF_TYPE "int"

#undef ASM_APP_ON

#define ASM_APP_ON "#APP\n"

#undef ASM_APP_OFF

#define ASM_APP_OFF "#NO_APP\n"

#undef ASM_COMMENT_START

#define ASM_COMMENT_START "#"

#undef DBX_REGISTER_NUMBER

#define DBX_REGISTER_NUMBER(n)  svr4_dbx_register_map[n]

/* Output assembler code to FILE to call the profiler.  */

#undef NO_PROFILE_COUNTERS

#define NO_PROFILE_COUNTERS     1

#undef FUNCTION_PROFILER

#define FUNCTION_PROFILER(FILE, LABELNO)                                \

{                                                                       \

  if (flag_pic)                                                         \

    fprintf (FILE, "\tcall __mcount@PLT\n");                            \

  else                                                                  \

    fprintf (FILE, "\tcall __mcount\n");                                \

}

#undef HAS_INIT_SECTION

/* This is how we tell the assembler that two symbols have the same value.  */

#define ASM_OUTPUT_DEF(FILE,NAME1,NAME2) \

  do { assemble_name(FILE, NAME1);       \

       fputs(" = ", FILE);               \

       assemble_name(FILE, NAME2);       \

       fputc('\n', FILE); } while (0)

/* A C statement to output to the stdio stream FILE an assembler

   command to advance the location counter to a multiple of 1<<LOG

   bytes if it is within MAX_SKIP bytes.

   This is used to align code labels according to Intel recommendations.  */

#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN

#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE, LOG, MAX_SKIP)                  \

  if ((LOG) != 0) {                                                      \

    if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG));     \

    else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP));    \

  }

#endif

/* We always use gas here, so we don't worry about ECOFF assembler

   problems.  */

#undef TARGET_GAS

#define TARGET_GAS      1

/* Default to pcc-struct-return, because this is the ELF abi and

   we don't care about compatibility with older gcc versions.  */

#define DEFAULT_PCC_STRUCT_RETURN 1

/* Attempt to enable execute permissions on the stack.  */

#define ENABLE_EXECUTE_STACK NETBSD_ENABLE_EXECUTE_STACK

#define TARGET_VERSION fprintf (stderr, " (NetBSD/i386 ELF)");