/* Definitions for ARM running Linux-based GNU systems using ELF
- Copyright (C) 1993, 1994, 1997, 1998, 1999, 2000, 2001
+ Copyright (C) 1993, 1994, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
Free Software Foundation, Inc.
Contributed by Philip Blundell <philb@gnu.org>
-This file is part of GNU CC.
+ This file is part of GCC.
-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.
+ 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 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.
+ 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 this program; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+ 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
-/* Default is to use APCS-32 mode. */
#undef TARGET_DEFAULT
-#define TARGET_DEFAULT (ARM_FLAG_APCS_32 | ARM_FLAG_MMU_TRAPS)
+#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", "mapcs-32", "mno-thumb-interwork" }
+ { "marm", "mlittle-endian", "mhard-float", "mno-thumb-interwork" }
-#define CPP_APCS_PC_DEFAULT_SPEC "-D__APCS_32__"
+/* The GNU C++ standard library requires that these macros be defined. */
+#undef CPLUSPLUS_CPP_SPEC
+#define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"
/* Now we define the strings used to build the spec file. */
+#undef LIB_SPEC
#define LIB_SPEC \
- "%{shared: -lc} \
- %{!shared: %{pthread:-lpthread} \
- %{profile:-lc_p} %{!profile: -lc}}"
+ "%{pthread:-lpthread} \
+ %{shared:-lc} \
+ %{!shared:%{profile:-lc_p}%{!profile:-lc}}"
-#define LIBGCC_SPEC "%{msoft-float:-lfloat} -lgcc"
+#define LIBGCC_SPEC "%{msoft-float:-lfloat} %{mfloat-abi=soft*:-lfloat} -lgcc"
/* Provide a STARTFILE_SPEC appropriate for GNU/Linux. Here we add
the GNU/Linux magical crtbegin.o file (see crtstuff.c) which
provides part of the support for getting C++ file-scope static
- object constructed before entering `main'. */
+ object constructed before entering `main'. */
#undef STARTFILE_SPEC
#define STARTFILE_SPEC \
%{mbig-endian:-EB}" \
SUBTARGET_EXTRA_LINK_SPEC
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES \
-"-Dunix -Dlinux -D__ELF__ \
--Asystem=unix -Asystem=posix -Acpu=arm -Amachine=arm"
-
-/* Allow #sccs in preprocessor. */
-#define SCCS_DIRECTIVE
+#define TARGET_OS_CPP_BUILTINS() LINUX_TARGET_OS_CPP_BUILTINS()
/* This is how we tell the assembler that two symbols have the same value. */
#define ASM_OUTPUT_DEF(FILE, NAME1, NAME2) \
while (0)
/* NWFPE always understands FPA instructions. */
-#undef FP_DEFAULT
-#define FP_DEFAULT FP_SOFT3
+#undef FPUTYPE_DEFAULT
+#define FPUTYPE_DEFAULT FPUTYPE_FPA_EMU3
/* Call the function profiler with a given profile label. */
#undef ARM_FUNCTION_PROFILER
fprintf (STREAM, "\tbl\tmcount%s\n", NEED_PLT_RELOC ? "(PLT)" : ""); \
}
+/* The 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)))
+
#undef CC1_SPEC
#define CC1_SPEC "%{profile:-p}"
+
+#define LINK_GCC_C_SEQUENCE_SPEC \
+ "%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}"
+
+/* Use --as-needed -lgcc_s for eh support. */
+#ifdef HAVE_LD_AS_NEEDED
+#define USE_LD_AS_NEEDED 1
+#endif
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