126 lines
3.8 KiB
C
126 lines
3.8 KiB
C
|
/* NetBSD/arm (RiscBSD) version.
|
||
|
|
Copyright (C) 1993, 1994, 1997, 1998 Free Software Foundation, Inc.
|
||
|
|
Contributed by Mark Brinicombe (amb@physig.ph.kcl.ac.uk)
|
||
|
|
|
||
|
|
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 GNU CC; see the file COPYING. If not, write to
|
||
|
|
the Free Software Foundation, 59 Temple Place - Suite 330,
|
||
|
|
Boston, MA 02111-1307, USA. */
|
||
|
|
|
||
|
|
/* Run-time Target Specification. */
|
||
|
|
#define TARGET_VERSION fputs (" (ARMv2/NetBSD)", stderr);
|
||
|
|
|
||
|
|
/* This is used in ASM_FILE_START. */
|
||
|
|
#define ARM_OS_NAME "NetBSD"
|
||
|
|
|
||
|
|
/* Unsigned chars produces much better code than signed. */
|
||
|
|
#define DEFAULT_SIGNED_CHAR 0
|
||
|
|
|
||
|
|
/*#undef ASM_DECLARE_FUNCTION_NAME*/
|
||
|
|
|
||
|
|
/* ARM3 family default cpu. */
|
||
|
|
#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm3
|
||
|
|
|
||
|
|
/* Default is to use APCS-26 mode. */
|
||
|
|
#define TARGET_DEFAULT (ARM_FLAG_SOFT_FLOAT)
|
||
|
|
|
||
|
|
#include "arm/elf.h"
|
||
|
|
|
||
|
|
/* This gets redefined in config/netbsd.h. */
|
||
|
|
#undef TARGET_MEM_FUNCTIONS
|
||
|
|
|
||
|
|
#include <netbsd.h>
|
||
|
|
|
||
|
|
/* Override standard NetBSD asm spec. What do they know? */
|
||
|
|
#undef ASM_SPEC
|
||
|
|
/* Don't bother telling the assembler the CPU type -- assume the compiler
|
||
|
|
won't generate bogus code and anyone using asm() knows what they're
|
||
|
|
doing. */
|
||
|
|
#define ASM_SPEC "%{mbig-endian:-EB} \
|
||
|
|
%{!mapcs-32:-mapcs-26} %{mapcs-32:-mapcs-32} \
|
||
|
|
%{mapcs-float:-mapcs-float} \
|
||
|
|
%{mthumb-interwork:-mthumb-interwork} \
|
||
|
|
%{fpic:-k} %{fPIC:-k}"
|
||
|
|
|
||
|
|
/* Some defines for CPP.
|
||
|
|
arm26 is the NetBSD port name, so we always define arm26 and __arm26__. */
|
||
|
|
#undef CPP_PREDEFINES
|
||
|
|
#define CPP_PREDEFINES "\
|
||
|
|
-Dunix -Darm26 -D__arm26__ -D__arm__ -D__NetBSD__ -D__ELF__ \
|
||
|
|
-Asystem(unix) -Asystem(NetBSD) -Acpu(arm) -Amachine(arm)"
|
||
|
|
|
||
|
|
/* Define _POSIX_SOURCE if necessary. */
|
||
|
|
#undef CPP_SPEC
|
||
|
|
#define CPP_SPEC "\
|
||
|
|
%(cpp_cpu_arch) %(cpp_apcs_pc) %(cpp_float) %(cpp_endian) \
|
||
|
|
%{posix:-D_POSIX_SOURCE} \
|
||
|
|
"
|
||
|
|
|
||
|
|
/* Because TARGET_DEFAULT sets ARM_FLAG_SOFT_FLOAT */
|
||
|
|
#undef CPP_FLOAT_DEFAULT_SPEC
|
||
|
|
#define CPP_FLOAT_DEFAULT_SPEC "-D__SOFTFP__"
|
||
|
|
|
||
|
|
/* Pass -X to the linker so that it will strip symbols starting with 'L' */
|
||
|
|
#undef LINK_SPEC
|
||
|
|
#define LINK_SPEC \
|
||
|
|
"-X \
|
||
|
|
%{assert*} \
|
||
|
|
%{shared:-shared} \
|
||
|
|
%{!shared: \
|
||
|
|
-dc -dp \
|
||
|
|
%{!nostdlib:%{!r*:%{!e*:-e __start}}} \
|
||
|
|
%{!static: \
|
||
|
|
%{rdynamic:-export-dynamic} \
|
||
|
|
%{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}} \
|
||
|
|
%{static:-static}}"
|
||
|
|
|
||
|
|
#undef SIZE_TYPE
|
||
|
|
#define SIZE_TYPE "unsigned int"
|
||
|
|
|
||
|
|
#undef PTRDIFF_TYPE
|
||
|
|
#define PTRDIFF_TYPE "int"
|
||
|
|
|
||
|
|
#undef WCHAR_TYPE
|
||
|
|
#define WCHAR_TYPE "int"
|
||
|
|
|
||
|
|
#undef WCHAR_UNSIGNED
|
||
|
|
#define WCHAR_UNSIGNED 0
|
||
|
|
|
||
|
|
#undef WCHAR_TYPE_SIZE
|
||
|
|
#define WCHAR_TYPE_SIZE 32
|
||
|
|
|
||
|
|
#define HANDLE_SYSV_PRAGMA
|
||
|
|
|
||
|
|
/* We don't have any limit on the length as out debugger is GDB. */
|
||
|
|
#undef DBX_CONTIN_LENGTH
|
||
|
|
|
||
|
|
/* NetBSD 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 FUNCTION_PROFILER
|
||
|
|
#define FUNCTION_PROFILER(STREAM,LABELNO) \
|
||
|
|
{ \
|
||
|
|
fprintf(STREAM, "\tmov\t%sip, %slr\n", REGISTER_PREFIX, REGISTER_PREFIX); \
|
||
|
|
fprintf(STREAM, "\tbl\t__mcount\n"); \
|
||
|
|
}
|
||
|
|
|
||
|
|
/* On the ARM `@' introduces a comment, so we must use something else
|
||
|
|
for .type directives. */
|
||
|
|
#undef TYPE_OPERAND_FMT
|
||
|
|
#define TYPE_OPERAND_FMT "%%%s"
|