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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [config/] [arm/] [linux-elf.h] - Rev 816
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/* Definitions for ARM running Linux-based GNU systems using ELF Copyright (C) 1993, 1994, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. Contributed by Philip Blundell <philb@gnu.org> 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/>. */ /* elfos.h should have already been included. Now just override any conflicting definitions and add any extras. */ /* Run-time Target Specification. */ #undef TARGET_VERSION #define TARGET_VERSION fputs (" (ARM GNU/Linux with ELF)", stderr); #undef TARGET_DEFAULT_FLOAT_ABI #define TARGET_DEFAULT_FLOAT_ABI ARM_FLOAT_ABI_HARD #undef TARGET_DEFAULT #define TARGET_DEFAULT (0) #define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm6 #define SUBTARGET_EXTRA_LINK_SPEC " -m armelf_linux -p" #undef MULTILIB_DEFAULTS #define MULTILIB_DEFAULTS \ { "marm", "mlittle-endian", "mhard-float", "mno-thumb-interwork" } /* Now we define the strings used to build the spec file. */ #undef LIB_SPEC #define LIB_SPEC \ "%{pthread:-lpthread} \ %{shared:-lc} \ %{!shared:%{profile:-lc_p}%{!profile:-lc}}" #define LIBGCC_SPEC "%{msoft-float:-lfloat} %{mfloat-abi=soft*:-lfloat} -lgcc" #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2" #define LINUX_TARGET_LINK_SPEC "%{h*} %{version:-v} \ %{b} \ %{static:-Bstatic} \ %{shared:-shared} \ %{symbolic:-Bsymbolic} \ %{rdynamic:-export-dynamic} \ %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "} \ -X \ %{mbig-endian:-EB}" \ SUBTARGET_EXTRA_LINK_SPEC #undef LINK_SPEC #define LINK_SPEC LINUX_TARGET_LINK_SPEC #define TARGET_OS_CPP_BUILTINS() \ do \ { \ LINUX_TARGET_OS_CPP_BUILTINS(); \ } \ while (0) /* 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) /* NWFPE always understands FPA instructions. */ #undef FPUTYPE_DEFAULT #define FPUTYPE_DEFAULT FPUTYPE_FPA_EMU3 /* Call the function profiler with a given profile label. */ #undef ARM_FUNCTION_PROFILER #define ARM_FUNCTION_PROFILER(STREAM, LABELNO) \ { \ fprintf (STREAM, "\tbl\tmcount%s\n", \ (TARGET_ARM && NEED_PLT_RELOC) ? "(PLT)" : ""); \ } /* The GNU/Linux profiler clobbers the link register. Make sure the prologue knows to save it. */ #define PROFILE_HOOK(X) \ emit_insn (gen_rtx_CLOBBER (VOIDmode, gen_rtx_REG (SImode, LR_REGNUM))) /* The GNU/Linux profiler needs a frame pointer. */ #define SUBTARGET_FRAME_POINTER_REQUIRED current_function_profile