126 lines
4.1 KiB
C
126 lines
4.1 KiB
C
/* 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}} \
|
|
%{symbolic:-Bsymbolic} \
|
|
-X %{mbig-endian:-EB} %{mlittle-endian:-EL}"
|
|
|
|
/************************[ Target stuff ]***********************************/
|
|
|
|
#undef TARGET_VERSION
|
|
#define TARGET_VERSION fprintf (stderr, " (FreeBSD/StrongARM ELF)");
|
|
|
|
#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
|
|
|
|
#undef SUBTARGET_CPU_DEFAULT
|
|
#define SUBTARGET_CPU_DEFAULT TARGET_CPU_strongarm
|
|
|
|
/* 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
|