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99 lines
3.2 KiB
C
99 lines
3.2 KiB
C
/* Definitions for or1k running Linux-based GNU systems using ELF
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Copyright (C) 2002, 2005
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Free Software Foundation, Inc.
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Contributed by Marko Mlinar <markom@opencores.org>
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This file is part of GNU CC.
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GNU CC 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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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC 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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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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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along with this program; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* elfos.h should have already been included. Now just override
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any conflicting definitions and add any extras. */
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/* Do not assume anything about header files. */
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#define NO_IMPLICIT_EXTERN_C
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/* This is how we tell the assembler that two symbols have the same value. */
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#define ASM_OUTPUT_DEF(FILE, NAME1, NAME2) \
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do \
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{ \
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assemble_name (FILE, NAME1); \
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fputs (" = ", FILE); \
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assemble_name (FILE, NAME2); \
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fputc ('\n', FILE); \
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} \
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while (0)
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#if 0
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/* Node: Label Output */
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#define SET_ASM_OP "\t.set\t"
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#define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \
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(*targetm.asm_out.globalize_label) (FILE, XSTR (FUN, 0))
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#define ASM_WEAKEN_LABEL(FILE, NAME) \
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do \
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{ \
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fputs ("\t.weak\t", (FILE)); \
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assemble_name ((FILE), (NAME)); \
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fputc ('\n', (FILE)); \
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} \
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while (0)
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#endif
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/* The GNU C++ standard library requires that these macros be defined. */
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#undef CPLUSPLUS_CPP_SPEC
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#define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"
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#undef DRIVER_SELF_SPECS
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#define DRIVER_SELF_SPECS ""
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#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
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/* Define a set of Linux builtins. This is copied from linux.h. We can't
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include the whole file for now, because that causes configure to require ld
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to support --eh-frame-header, which it currently doesn't */
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#define LINUX_TARGET_OS_CPP_BUILTINS() \
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do { \
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builtin_define ("__gnu_linux__"); \
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builtin_define_std ("linux"); \
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builtin_define_std ("unix"); \
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builtin_assert ("system=linux"); \
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builtin_assert ("system=unix"); \
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builtin_assert ("system=posix"); \
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} while (0)
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#define TARGET_OS_CPP_BUILTINS() \
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do { \
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LINUX_TARGET_OS_CPP_BUILTINS(); \
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if (OPTION_UCLIBC) \
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builtin_define ("__UCLIBC__"); \
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/* The GNU C++ standard library requires this. */ \
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if (c_dialect_cxx ()) \
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builtin_define ("_GNU_SOURCE"); \
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} while (0)
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#undef LINK_SPEC
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#define LINK_SPEC "%{mnewlib:-entry 0x100} \
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-dynamic-linker " GNU_USER_DYNAMIC_LINKER " \
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%{rdynamic:-export-dynamic} \
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%{static:-static} \
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%{shared:-shared}"
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