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m88kdgux.h
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C/C++ Source or Header
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1994-02-06
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7KB
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182 lines
/* Definitions of target machine for GNU compiler.
Motorola m88100 running DG/UX.
Copyright (C) 1988, 1989, 1990, 1991 Free Software Foundation, Inc.
Contributed by Michael Tiemann (tiemann@mcc.com)
Enhanced by Michael Meissner (meissner@osf.org)
Currently supported by Tom Wood (wood@dg-rtp.dg.com)
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, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* You're not seeing double! To transition to dwarf debugging, both are
supported. The option -msvr4 and -mversion-03.00 specify (for DG/UX)
`real' elf. With these combinations, -g means dwarf. */
/* DWARF_DEBUGGING_INFO defined in svr4.h. */
#define SDB_DEBUGGING_INFO
#define PREFERRED_DEBUGGING_TYPE \
(GET_VERSION_0300_SYNTAX ? DWARF_DEBUG : SDB_DEBUG)
#ifndef NO_BUGS
#define AS_BUG_IMMEDIATE_LABEL
/* The DG/UX 4.30 assembler doesn't accept the symbol `fcr63'. */
#define AS_BUG_FLDCR
#endif
#include "svr4.h"
#include "m88k.h"
/* Augment TARGET_SWITCHES with the MXDB options. */
#define MASK_STANDARD 0x40000000 /* Retain standard information */
#define MASK_LEGEND 0x20000000 /* Retain legend information */
#define MASK_EXTERNAL_LEGEND 0x10000000 /* Make external legends */
#define TARGET_STANDARD (target_flags & MASK_STANDARD)
#define TARGET_LEGEND (target_flags & MASK_LEGEND)
#define TARGET_EXTERNAL_LEGEND (target_flags & MASK_EXTERNAL_LEGEND)
#undef SUBTARGET_SWITCHES
#define SUBTARGET_SWITCHES \
{ "standard", MASK_STANDARD }, \
{ "legend", MASK_LEGEND }, \
{ "external-legend", MASK_EXTERNAL_LEGEND }, \
/* the following is used only in the *_SPEC's */ \
{ "keep-coff", 0 },
/* Default switches */
#undef TARGET_DEFAULT
#define TARGET_DEFAULT (MASK_CHECK_ZERO_DIV | \
MASK_OCS_DEBUG_INFO | \
MASK_OCS_FRAME_POSITION)
#undef CPU_DEFAULT
#define CPU_DEFAULT MASK_88000
/* Macros to be automatically defined. __svr4__ is our extension.
__CLASSIFY_TYPE__ is used in the <varargs.h> and <stdarg.h> header
files with DG/UX revision 5.40 and later. This allows GNU CC to
operate without installing the header files. */
#undef CPP_PREDEFINES
#define CPP_PREDEFINES "-Dm88000 -Dm88k -Dunix -DDGUX -D__CLASSIFY_TYPE__=2\
-D__svr4__ -Asystem(unix) -Acpu(m88k) -Amachine(m88k)"
/* If -m88100 is in effect, add -Dm88100; similarly for -m88110.
Here, the CPU_DEFAULT is assumed to be -m88000. If not -ansi,
-traditional, or restricting include files to one specific source
target, specify full DG/UX features. */
#undef CPP_SPEC
#define CPP_SPEC "%{!m88000:%{!m88100:%{m88110:-D__m88110__}}} \
%{!m88000:%{!m88110:%{m88100:-D__m88100__}}} \
%{!ansi:%{!traditional:-D__OPEN_NAMESPACE__}}"
/* Assembler support (-V, silicon filter, legends for mxdb). */
#undef ASM_SPEC
#define ASM_SPEC "\
%{V} %{v:%{!V:-V}} %{pipe: - %{msvr4:%{mversion-03.00:-KV3}}}\
%{!mlegend:%{mstandard:-Wc,off}}\
%{mlegend:-Wc,-fix-bb,-h\"gcc-2.2.14\",-s\"%i\"\
%{traditional:,-lc}%{!traditional:,-lansi-c}\
%{mstandard:,-keep-std}\
%{mkeep-coff:,-keep-coff}\
%{mexternal-legend:,-external}\
%{mocs-frame-position:,-ocs}}"
/* Override svr4.h. */
#undef ASM_FINAL_SPEC
#undef STARTFILE_SPEC
/* Linker and library spec's.
-static, -shared, -symbolic, -h* and -z* access AT&T V.4 link options.
-svr4 instructs gcc to place /usr/lib/values-X[cat].o on link the line.
When the -G link option is used (-shared and -symbolic) a final link is
not being done. */
#undef LIB_SPEC
#define LIB_SPEC "%{!shared:%{!symbolic:-lc}}"
#undef LINK_SPEC
#define LINK_SPEC "%{z*} %{h*} %{V} %{v:%{!V:-V}} \
%{static:-dn -Bstatic} \
%{shared:-G -dy} \
%{symbolic:-Bsymbolic -G -dy} \
%{pg:-L/usr/lib/libp}%{p:-L/usr/lib/libp}"
#undef STARTFILE_SPEC
#define STARTFILE_SPEC "%{!shared:%{!symbolic:%{pg:gcrt0.o%s} \
%{!pg:%{p:/lib/mcrt0.o}%{!p:/lib/crt0.o}} \
%{svr4:%{ansi:/lib/values-Xc.o} \
%{!ansi:%{traditional:/lib/values-Xt.o} \
%{!traditional:/usr/lib/values-Xa.o}}}}}"
#undef GPLUSPLUS_INCLUDE_DIR
#define GPLUSPLUS_INCLUDE_DIR "/usr/opt/g++/lib/g++-include"
/* Fast DG/UX version of profiler that does not require lots of
registers to be stored. */
#undef FUNCTION_PROFILER
#define FUNCTION_PROFILER(FILE, LABELNO) \
output_function_profiler (FILE, LABELNO, "gcc.mcount", 0)
/* DGUX V.4 isn't quite ELF--yet. */
#undef VERSION_0300_SYNTAX
#define VERSION_0300_SYNTAX (TARGET_SVR4 && m88k_version_0300)
/* Same, but used before OVERRIDE_OPTIONS has been processed. */
#define GET_VERSION_0300_SYNTAX \
(TARGET_SVR4 && m88k_version != 0 && strcmp (m88k_version, "03.00") >= 0)
/* Output the legend info for mxdb when debugging except if standard
debugging information only is explicitly requested. */
#undef ASM_FIRST_LINE
#define ASM_FIRST_LINE(FILE) \
do { \
if (VERSION_0300_SYNTAX) \
fprintf (FILE, "\t%s\t \"03.00\"\n", VERSION_ASM_OP); \
if (write_symbols != NO_DEBUG \
&& ! (TARGET_STANDARD && ! TARGET_LEGEND)) \
{ \
fprintf (FILE, ";legend_info -fix-bb -h\"gcc-%s\" -s\"%s\"", \
VERSION_STRING, main_input_filename); \
fputs (flag_traditional ? " -lc" : " -lansi-c", FILE); \
if (TARGET_STANDARD) \
fputs (" -keep-std", FILE); \
if (TARGET_EXTERNAL_LEGEND) \
fputs (" -external", FILE); \
if (TARGET_OCS_FRAME_POSITION) \
fputs (" -ocs", FILE); \
fputc ('\n', FILE); \
} \
} while (0)
/* Override svr4.h. */
#undef PTRDIFF_TYPE
#undef WCHAR_TYPE
#undef WCHAR_TYPE_SIZE
/* Override svr4.h and m88k.h except when compiling crtstuff.c. */
#if !defined (CRT_BEGIN) && !defined (CRT_END)
#if 0 /* The SVR4 init method doesn't yet work. */
#undef INIT_SECTION_ASM_OP
#define INIT_SECTION_ASM_OP (VERSION_0300_SYNTAX \
? "section\t .init,\"xa\"" \
: "section\t .init,\"x\"")
#endif
#undef CTORS_SECTION_ASM_OP
#define CTORS_SECTION_ASM_OP (VERSION_0300_SYNTAX \
? "section\t .ctors,\"aw\"" \
: "section\t .ctors,\"d\"")
#undef DTORS_SECTION_ASM_OP
#define DTORS_SECTION_ASM_OP (VERSION_0300_SYNTAX \
? "section\t .dtors,\"aw\"" \
: "section\t .dtors,\"d\"")
#endif /* crtstuff.c */