Subversion Repositories openrisc_2011-10-31

/* Definitions for PA_RISC with ELF format

   Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009

   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/>.  */

#undef TARGET_OS_CPP_BUILTINS

#define TARGET_OS_CPP_BUILTINS()                \

  do                                            \

    {                                           \

        LINUX_TARGET_OS_CPP_BUILTINS();         \

        builtin_assert ("machine=bigendian");   \

    }                                           \

  while (0)

#undef CPP_SPEC

#define CPP_SPEC "%{posix:-D_POSIX_SOURCE}"

#undef ASM_SPEC

#define ASM_SPEC \

  "%{v:-V} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*}"

/* Define this for shared library support because it isn't in the main

   linux.h file.  */

#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"

#undef LINK_SPEC

#define LINK_SPEC "\

  %{shared:-shared} \

  %{!shared: \

    %{!static: \

      %{rdynamic:-export-dynamic} \

      %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "}} \

      %{static:-static}}"

/* glibc's profiling functions don't need gcc to allocate counters.  */

#define NO_DEFERRED_PROFILE_COUNTERS 1

/* Define the strings used for the special svr4 .type and .size directives.

   These strings generally do not vary from one system running svr4 to

   another, but if a given system (e.g. m88k running svr) needs to use

   different pseudo-op names for these, they may be overridden in the

   file which includes this one.  */

#undef STRING_ASM_OP

#define STRING_ASM_OP   "\t.stringz\t"

#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_linux_file_start

/* We want local labels to start with period if made with asm_fprintf.  */

#undef LOCAL_LABEL_PREFIX

#define LOCAL_LABEL_PREFIX "."

/* Define these to generate the Linux/ELF/SysV style of internal

   labels all the time - i.e. to be compatible with

   ASM_GENERATE_INTERNAL_LABEL in <elfos.h>.  Compare these with the

   ones in pa.h and note the lack of dollar signs in these.  FIXME:

   shouldn't we fix pa.h to use ASM_GENERATE_INTERNAL_LABEL instead? */

#undef ASM_OUTPUT_ADDR_VEC_ELT

#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \

  if (TARGET_BIG_SWITCH)                                        \

    fprintf (FILE, "\t.word .L%d\n", VALUE);                    \

  else                                                          \

    fprintf (FILE, "\tb .L%d\n\tnop\n", VALUE)

#undef ASM_OUTPUT_ADDR_DIFF_ELT

#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \

  if (TARGET_BIG_SWITCH)                                        \

    fprintf (FILE, "\t.word .L%d-.L%d\n", VALUE, REL);          \

  else                                                          \

    fprintf (FILE, "\tb .L%d\n\tnop\n", VALUE)

/* Use the default.  */

#undef ASM_OUTPUT_LABEL

/* NOTE: (*targetm.asm_out.internal_label)() is defined for us by elfos.h, and

   does what we want (i.e. uses colons).  It must be compatible with

   ASM_GENERATE_INTERNAL_LABEL(), so do not define it here.  */

/* Use the default.  */

#undef ASM_OUTPUT_INTERNAL_LABEL

/* Use the default.  */

#undef TARGET_ASM_GLOBALIZE_LABEL

/* Globalizing directive for a label.  */

#define GLOBAL_ASM_OP ".globl "

/* FIXME: Hacked from the <elfos.h> one so that we avoid multiple

   labels in a function declaration (since pa.c seems determined to do

   it differently)  */

#undef ASM_DECLARE_FUNCTION_NAME

#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL)             \

  do                                                            \

    {                                                           \

      ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "function");       \

      ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL));            \

    }                                                           \

  while (0)

/* As well as globalizing the label, we need to encode the label

   to ensure a plabel is generated in an indirect call.  */

#undef ASM_OUTPUT_EXTERNAL_LIBCALL

#define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN)                  \

  do                                                            \

    {                                                           \

      if (!FUNCTION_NAME_P (XSTR (FUN, 0)))                     \

        hppa_encode_label (FUN);                                \

      (*targetm.asm_out.globalize_label) (FILE, XSTR (FUN, 0)); \

    }                                                           \

  while (0)

/* Linux always uses gas.  */

#undef TARGET_GAS

#define TARGET_GAS 1