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/* Definitions for StrongARM running FreeBSD using the ELF format
Copyright (C) 2001, 2004 Free Software Foundation, Inc.
Contributed by David E. O'Brien <obrien@FreeBSD.org> and BSDi.
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 2, 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 COPYING. If not, write to
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
#undef SUBTARGET_CPP_SPEC
#define SUBTARGET_CPP_SPEC FBSD_CPP_SPEC
#undef SUBTARGET_EXTRA_SPECS
#define SUBTARGET_EXTRA_SPECS \
{ "subtarget_extra_asm_spec", SUBTARGET_EXTRA_ASM_SPEC }, \
{ "subtarget_asm_float_spec", SUBTARGET_ASM_FLOAT_SPEC }, \
{ "fbsd_dynamic_linker", FBSD_DYNAMIC_LINKER }
#undef SUBTARGET_EXTRA_ASM_SPEC
#define SUBTARGET_EXTRA_ASM_SPEC \
"-matpcs %{fpic|fpie:-k} %{fPIC|fPIE:-k}"
/* Default to full FPA if -mhard-float is specified. */
#undef SUBTARGET_ASM_FLOAT_SPEC
#define SUBTARGET_ASM_FLOAT_SPEC \
"%{mhard-float:-mfpu=fpa} \
%{mfloat-abi=hard:{!mfpu=*:-mfpu=fpa}} \
%{!mhard-float: %{msoft-float:-mfpu=softvfp;:-mfpu=softvfp}}"
#undef LINK_SPEC
#define LINK_SPEC " \
%{p:%nconsider using `-pg' instead of `-p' with gprof(1) } \
%{v:-V} \
%{assert*} %{R*} %{rpath*} %{defsym*} \
%{shared:-Bshareable %{h*} %{soname*}} \
%{!shared: \
%{!static: \
%{rdynamic:-export-dynamic} \
%{!dynamic-linker:-dynamic-linker %(fbsd_dynamic_linker) }} \
%{static:-Bstatic}} \
%{!static:--hash-style=both --enable-new-dtags} \
%{symbolic:-Bsymbolic} \
-X %{mbig-endian:-EB} %{mlittle-endian:-EL}"
/************************[ Target stuff ]***********************************/
#ifndef TARGET_ENDIAN_DEFAULT
#define TARGET_ENDIAN_DEFAULT 0
#endif
/* Default it to use ATPCS with soft-VFP. */
#undef TARGET_DEFAULT
#define TARGET_DEFAULT \
(MASK_APCS_FRAME \
| TARGET_ENDIAN_DEFAULT)
#undef ARM_DEFAULT_ABI
#define ARM_DEFAULT_ABI ARM_ABI_ATPCS
/* Define the actual types of some ANSI-mandated types.
Needs to agree with <machine/ansi.h>. GCC defaults come from c-decl.c,
c-common.c, and config/<arch>/<arch>.h. */
/* arm.h gets this wrong for FreeBSD. We use the GCC defaults instead. */
#undef SIZE_TYPE
#define SIZE_TYPE "unsigned int"
#undef PTRDIFF_TYPE
#define PTRDIFF_TYPE "int"
/* We use the GCC defaults here. */
#undef WCHAR_TYPE
#if defined(FREEBSD_ARCH_armv6)
#undef SUBTARGET_CPU_DEFAULT
#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm1176jzs
#undef FBSD_TARGET_CPU_CPP_BUILTINS
#define FBSD_TARGET_CPU_CPP_BUILTINS() \
do { \
builtin_define ("__FreeBSD_ARCH_armv6__"); \
} while (0)
#undef TARGET_VERSION
#define TARGET_VERSION fprintf (stderr, " (FreeBSD/armv6 ELF)");
#else
#undef SUBTARGET_CPU_DEFAULT
#define SUBTARGET_CPU_DEFAULT TARGET_CPU_strongarm
#undef TARGET_VERSION
#define TARGET_VERSION fprintf (stderr, " (FreeBSD/StrongARM ELF)");
#endif
/* FreeBSD does its profiling differently to the Acorn compiler. We
don't need a word following the mcount call; and to skip it
requires either an assembly stub or use of fomit-frame-pointer when
compiling the profiling functions. Since we break Acorn CC
compatibility below a little more won't hurt. */
#undef ARM_FUNCTION_PROFILER
#define ARM_FUNCTION_PROFILER(STREAM,LABELNO) \
{ \
asm_fprintf (STREAM, "\tmov\t%Rip, %Rlr\n"); \
asm_fprintf (STREAM, "\tbl\t__mcount%s\n", \
(TARGET_ARM && NEED_PLT_RELOC) \
? "(PLT)" : ""); \
}
/* Clear the instruction cache from `BEG' to `END'. This makes a
call to the ARM_SYNC_ICACHE architecture specific syscall. */
#define CLEAR_INSN_CACHE(BEG, END) \
do \
{ \
extern int sysarch(int number, void *args); \
struct \
{ \
unsigned int addr; \
int len; \
} s; \
s.addr = (unsigned int)(BEG); \
s.len = (END) - (BEG); \
(void) sysarch (0, &s); \
} \
while (0)
#undef FPUTYPE_DEFAULT
#define FPUTYPE_DEFAULT FPUTYPE_VFP
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