+++ /dev/null
-/* Definitions for Motorola 680x0 running A/UX
- Copyright (C) 1996, 1998, 1999 Free Software Foundation, Inc.
-
-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. */
-
-/* This file was renamed from aux.h because of MSDOS: aux.anything
- isn't usable. Sigh. */
-
-/* Execution environment */
-
-#undef TARGET_DEFAULT
-#define TARGET_DEFAULT (MASK_BITFIELD|MASK_68881|MASK_68020) /* 68020, 68881 */
-
-#define CPP_PREDEFINES "-Dunix -Dm68k -DAUX -DmacII \
--Asystem=unix -Asystem=AUX -Acpu=m68k -Amachine=m68k -Amachine=macII"
-
-#define CPP_SPEC \
-"%{!msoft-float:%{!ansi:-Dmc68881 }-D__HAVE_68881__ }\
--Acpu=mc68000 -D__mc68000__ %{!ansi:-Dmc68000 }\
-%{!mc68000:%{!m68000:-Acpu=mc68020 -D__mc68020__ %{!ansi:-Dmc68020 }}}\
-%{m68030:-Acpu=mc68030 -D__mc68030__ %{!ansi:-Dmc68030 }}\
-%{m68040:-Acpu=mc68040 -D__mc68040__ %{!ansi:-Dmc68040 }}\
-%{!ansi:%{!traditional:-D__STDC__=2 }}\
-%{sbsd:-D_BSD_SOURCE -DBSD }%{ZB:-D_BSD_SOURCE -DBSD }\
-%{ssysv:-D_SYSV_SOURCE -DSYSV -DUSG }%{ZS:-D_SYSV_SOURCE -DSYSV -DUSG }\
-%{sposix:-D_POSIX_SOURCE -DPOSIX }%{ZP:-D_POSIX_SOURCE -DPOSIX }\
-%{sposix+:-D_POSIX_SOURCE -DPOSIX }\
-%{saux:-D_AUX_SOURCE }%{ZA:-D_AUX_SOURCE }\
-%{!sbsd:%{!ZB:%{!ssysv:%{!ZS:%{!sposix:%{!ZP:%{!snone:\
--D_BSD_SOURCE -D_SYSV_SOURCE -D_AUX_SOURCE }}}}}}}"
-
-#define LIB_SPEC \
-"%{sbsd:-lbsd }%{ZB:-lbsd }\
-%{ssysv:-lsvid }%{ZS:-lsvid }\
-%{sposix:-lposix }%{ZP:-lposix }%{sposix+:-lposix }\
-%{!static:%{smac:-lmac_s -lat -lld -lmr }-lc_s }\
-%{static:%{smac:-lmac -lat -lld -lmr }-lc }"
-
-#undef STARTFILE_SPEC
-#define STARTFILE_SPEC \
-"%{pg:mcrt0.o%s }%{!pg:%{p:mcrt1.o%s }\
-%{!p:%{smac:maccrt1.o%s low.o%s }%{!smac:crt1.o%s }}}\
-crt2.o%s "
-
-#undef ENDFILE_SPEC
-#define ENDFILE_SPEC "crtn.o%s "
-
-
-/*===================================================================*/
-/* Compilation environment -- mostly */
-
-/* We provide atexit(), A/UX does not have it */
-#define NEED_ATEXIT
-
-/* Generate calls to memcpy, memcmp and memset, as opposed to bcopy, bcmp,
- and bzero */
-#define TARGET_MEM_FUNCTIONS
-
-/* Resize standard types */
-
-#undef SIZE_TYPE
-#define SIZE_TYPE "unsigned int"
-
-#undef PTRDIFF_TYPE
-#define PTRDIFF_TYPE "int"
-
-#undef WCHAR_TYPE
-#define WCHAR_TYPE "unsigned int"
-
-/* Every structure or union's size must be a multiple of 2 bytes. */
-#define STRUCTURE_SIZE_BOUNDARY 16
-
-/* Bits needed by collect */
-
-#define OBJECT_FORMAT_COFF
-#define MY_ISCOFF(m) ((m) == M68TVMAGIC || \
- (m) == M68MAGIC || \
- (m) == MC68TVMAGIC || \
- (m) == MC68MAGIC || \
- (m) == M68NSMAGIC)
-
-
-#ifndef USE_COLLECT2
-/* For .ctor/.dtor sections for collecting constructors */
-/* We have special start/end files for defining [cd]tor lists */
-#define CTOR_LISTS_DEFINED_EXTERNALLY
-#endif
-
-
-/*======================================================================*/
-/* Calling convention and library support changes */
-
-/* Define how to generate (in the callee) the output value of a function
- and how to find (in the caller) the value returned by a function. VALTYPE
- is the data type of the value (as a tree). If the precise function being
- called is known, FUNC is its FUNCTION_DECL; otherwise, FUNC is 0.
- For A/UX generate the result in d0, a0, or fp0 as appropriate. */
-
-#undef FUNCTION_VALUE
-#define FUNCTION_VALUE(VALTYPE, FUNC) \
- (TREE_CODE (VALTYPE) == REAL_TYPE && TARGET_68881 \
- ? gen_rtx_REG (TYPE_MODE (VALTYPE), 16) \
- : (POINTER_TYPE_P (VALTYPE) \
- ? gen_rtx_REG (TYPE_MODE (VALTYPE), 8) \
- : gen_rtx_REG (TYPE_MODE (VALTYPE), 0)))
-
-#undef LIBCALL_VALUE
-#define LIBCALL_VALUE(MODE) \
- gen_rtx_REG ((MODE), ((TARGET_68881 && \
- ((MODE) == SFmode || (MODE) == DFmode)) ? 16 : 0))
-
-/* 1 if N is a possible register number for a function value.
- For A/UX allow d0, a0, or fp0 as return registers, for integral,
- pointer, or floating types, respectively. Reject fp0 if not using a
- 68881 coprocessor. */
-
-#undef FUNCTION_VALUE_REGNO_P
-#define FUNCTION_VALUE_REGNO_P(N) \
- ((N) == 0 || (N) == 8 || (TARGET_68881 && (N) == 16))
-
-/* Define this to be true when FUNCTION_VALUE_REGNO_P is true for
- more than one register. */
-
-#undef NEEDS_UNTYPED_CALL
-#define NEEDS_UNTYPED_CALL 1
-
-/* For compatibility with the large body of existing code which does not
- always properly declare external functions returning pointer types, the
- A/UX convention is to copy the value returned for pointer functions
- from a0 to d0 in the function epilogue, so that callers that have
- neglected to properly declare the callee can still find the correct return
- value. */
-
-#define FUNCTION_EXTRA_EPILOGUE(FILE, SIZE) \
-{ \
- if (current_function_returns_pointer \
- && ! find_equiv_reg (0, get_last_insn (), 0, 0, 0, 8, Pmode)) \
- asm_fprintf (FILE, "\t%s %Ra0,%Rd0\n", ASM_MOV_INSN); \
-}
-
-/* How to call the function profiler */
-
-#undef FUNCTION_PROFILER
-#define FUNCTION_PROFILER(FILE, LABELNO) \
- asm_fprintf (FILE, "\t%Olea %LLP%d,%Ra0\n\t%Ojbsr %s\n", \
- (LABELNO), FUNCTION_PROFILER_SYMBOL)
-
-/* Finalize the trampoline by flushing the insn cache */
-
-#undef FINALIZE_TRAMPOLINE
-#define FINALIZE_TRAMPOLINE(TRAMP) \
- emit_library_call (gen_rtx_SYMBOL_REF (Pmode, "__clear_cache"), \
- 0, VOIDmode, 2, TRAMP, Pmode, \
- plus_constant (TRAMP, TRAMPOLINE_SIZE), Pmode);
-
-/* Clear the instruction cache from `beg' to `end'. This makes an
- inline system call to SYS_sysm68k. The arguments are as follows:
-
- sysm68k(105, addr, scope, cache, len)
-
- 105 - the subfunction code to clear the cache
- addr - the start address for the flush
- scope - the scope of the flush (see the cpush insn)
- cache - which cache to flush (see the cpush insn)
- len - a factor relating to the number of flushes to perform :
- len/16 lines, or len/4096 pages.
-
- While all this is only really relevant to 040's, the system call
- will just return an error (which we ignore) on other systems. */
-
-#define CLEAR_INSN_CACHE(beg, end) \
-{ \
- unsigned _beg = (unsigned)(beg), _end = (unsigned)(end); \
- unsigned _len = ((_end / 16) - (_beg / 16) + 1) * 16; \
- __asm __volatile( \
- ASM_MOV_INSN " %1, %-\n\t" /* nr lines */ \
- ASM_MOV_INSN " %#3, %-\n\t" /* insn+data caches */ \
- ASM_MOV_INSN " %#1, %-\n\t" /* clear lines */ \
- ASM_MOV_INSN " %0, %-\n\t" /* beginning of buffer */ \
- ASM_MOV_INSN " %#105, %-\n\t" /* cache sub-function nr */ \
- ASM_MOV_INSN " %#0, %-\n\t" /* dummy return address */ \
- ASM_MOV_INSN " %#38, %/d0\n\t" /* system call nr */ \
- "trap %#0\n\t" \
- "add%.l %#24, %/sp" \
- : /* no outputs */ \
- : "g"(_beg), "g"(_len) \
- : "%d0"); \
-}
projects / msp430-gcc.git / blobdiff