Subversion Repositories openrisc_2011-10-31

/* Definitions for ELF assembler support.

   Copyright (C) 1999, 2003, 2005, 2007 Free Software Foundation, Inc.

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/>.  */

/* So we can conditionalize small amounts of code in pa.c or pa.md.  */

#define OBJ_ELF

#define ENDFILE_SPEC "crtend.o%s"

#define STARTFILE_SPEC "%{!shared: \

                         %{!symbolic: \

                          %{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}}}\

                        crtbegin.o%s"

#define TEXT_SECTION_ASM_OP "\t.text"

#define DATA_SECTION_ASM_OP "\t.data"

#define BSS_SECTION_ASM_OP "\t.section\t.bss"

#define TARGET_ASM_FILE_START pa_elf_file_start

#undef ASM_DECLARE_FUNCTION_NAME

#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \

do {  \

  if (TREE_PUBLIC (DECL)) \

    { \

      fputs ("\t.EXPORT ", FILE); \

      assemble_name (FILE, NAME); \

      fputs (",ENTRY\n", FILE); \

    } \

   } while (0)

/* This is how to output a command to make the user-level label

   named NAME defined for reference from other files.  We use

   assemble_name_raw instead of assemble_name since a symbol in

   a .IMPORT directive that isn't otherwise referenced is not

   placed in the symbol table of the assembled object.

   Failure to import a function reference can cause the HP linker

   to segmentation fault!

   Note that the SOM based tools need the symbol imported as a

   CODE symbol, while the ELF based tools require the symbol to

   be imported as an ENTRY symbol.  */

#define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \

  pa_hpux_asm_output_external ((FILE), (DECL), (NAME))

#define ASM_OUTPUT_EXTERNAL_REAL(FILE, DECL, NAME) \

  do { fputs ("\t.IMPORT ", FILE);                                      \

       assemble_name_raw (FILE, NAME);                                  \

       if (FUNCTION_NAME_P (NAME))                                      \

         fputs (",ENTRY\n", FILE);                                      \

       else                                                             \

         fputs (",DATA\n", FILE);                                       \

     } while (0)

/* The bogus HP assembler requires ALL external references to be

   "imported", even library calls. They look a bit different, so

   here's this macro.

   Also note not all libcall names are passed to

   targetm.encode_section_info (__main for example).  To make sure all

   libcall names have section info recorded in them, we do it here.  */

#undef ASM_OUTPUT_EXTERNAL_LIBCALL

#define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, RTL) \

  do { fputs ("\t.IMPORT ", FILE);                                      \

       if (!function_label_operand (RTL, VOIDmode))                     \

         hppa_encode_label (RTL);                                       \

       assemble_name (FILE, XSTR ((RTL), 0));                           \

       fputs (",ENTRY\n", FILE);                                        \

     } while (0)

/* Biggest alignment supported by the object file format of this

   machine.  Use this macro to limit the alignment which can be

   specified using the `__attribute__ ((aligned (N)))' construct.  If

   not defined, the default value is `BIGGEST_ALIGNMENT'.  */

#define MAX_OFILE_ALIGNMENT (32768 * 8)