2015-10-15 10:25:28 +02:00

99 lines
3.2 KiB
C

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