+++ /dev/null
-/* Definitions of target machine for GNU compiler.
- Motorola m88100 running DG/UX.
- Copyright (C) 1988, 1992, 1993, 1994, 1995, 1996, 1997, 2000, 2001
- Free Software Foundation, Inc.
- Contributed by Michael Tiemann (tiemann@mcc.com)
- Currently maintained by (gcc@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, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
-
-/* You're not seeing double! To transition to dwarf debugging, both are
- supported. The option -msvr4 specifies elf. With these combinations,
- -g means dwarf. */
-/* DWARF_DEBUGGING_INFO defined in svr4.h. */
-#undef SDB_DEBUGGING_INFO
-#define SDB_DEBUGGING_INFO
-#undef PREFERRED_DEBUGGING_TYPE
-#define PREFERRED_DEBUGGING_TYPE \
- (TARGET_SVR4 ? 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
-
-/* TODO: convert includes to ${tm_file} list in config.gcc. */
-#include "m88k/m88k.h"
-
-/* Augment TARGET_SWITCHES with the MXDB options. */
-#define MASK_STANDARD 0x40000000 /* Retain standard information */
-#define MASK_NOLEGEND 0x20000000 /* Discard legend information */
-#define MASK_EXTERNAL_LEGEND 0x10000000 /* Make external legends */
-
-#define TARGET_STANDARD (target_flags & MASK_STANDARD)
-#define TARGET_NOLEGEND (target_flags & MASK_NOLEGEND)
-#define TARGET_EXTERNAL_LEGEND (target_flags & MASK_EXTERNAL_LEGEND)
-
-#undef SUBTARGET_SWITCHES
-#define SUBTARGET_SWITCHES \
- { "standard", MASK_STANDARD }, \
- { "legend", -MASK_NOLEGEND }, \
- { "no-legend", MASK_NOLEGEND }, \
- { "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 | \
- MASK_STANDARD | \
- MASK_SVR4)
-#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 "%(cpp_cpu) %{msvr3:-D_M88KBCS_TARGET} %{!msvr3:-D_DGUX_TARGET}"
-
-/* Assembler support (-V, silicon filter, legends for mxdb). */
-#undef ASM_SPEC
-#define ASM_SPEC "%{pipe:%{!.s: - }\
- %{!msvr3:%{!m88110:-KV3 }%{m88110:-KV04.00 }}}\
- %(asm_cpu)"
-
-/* Override svr4.h. */
-#undef ASM_FINAL_SPEC
-#undef STARTFILE_SPEC
-
-/* Linker and library spec's.
- -msvr4 is the default if -msvr3 is not specified.
- -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 the link line.
- -msvr3 indicates linking done in a COFF environment and the link
- script is added to the link line. In all environments, the first
- and last objects are crtbegin.o (or bcscrtbegin.o) and crtend.o.
- When the -G link option is used (-shared and -symbolic) a final
- link is not being done. */
-#undef ENDFILE_SPEC
-#define ENDFILE_SPEC "crtend.o%s"
-#undef LIB_SPEC
-#define LIB_SPEC "%{!msvr3:%{!shared:-lstaticdgc}} %{!shared:%{!symbolic:-lc}}"
-#undef LINK_SPEC
-#define LINK_SPEC "%{z*} %{h*} %{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 "%(startfile_default)"
-
-
-/* This macro defines names of additional specifications to put in the specs
- that can be used in various specifications like CC1_SPEC. Its definition
- is an initializer with a subgrouping for each command option.
-
- Each subgrouping contains a string constant, that defines the
- specification name, and a string constant that used by the GNU CC driver
- program.
-
- Do not define this macro if it does not need to do anything. */
-
-#define EXTRA_SPECS \
- { "cpp_cpu", CPP_CPU_SPEC }, \
- { "asm_cpu", ASM_CPU_SPEC }, \
- { "startfile_default", STARTFILE_DEFAULT_SPEC }, \
- { "startfile_crtbegin", STARTFILE_CRTBEGIN_SPEC }
-
-/* Keep this left justified, no white space is allowed between
- the arguments to the -Wc option */
-#define ASM_CPU_SPEC "\
- %{v:-V}\
- %{g:\
-%{mno-legend:-Wc,off}\
-%{!mno-legend:-Wc,-fix-bb,-s\"%i\"\
-%{traditional:,-lc}\
-%{!traditional:,-lansi-c}\
-%{mstandard:,-keep-std}\
-%{mexternal-legend:,-external}\
-%{mocs-frame-position:,-ocs}}}"
-
-#define CPP_CPU_SPEC "\
- %{!m88000:%{!m88100:%{m88110:-D__m88110__}}} \
- %{!m88000:%{!m88110:%{m88100:-D__m88100__}}} \
- %{!ansi:%{!traditional:-D__OPEN_NAMESPACE__}}"
-
-#define STARTFILE_DEFAULT_SPEC "\
- %{!shared:%{!symbolic:%{pg:gcrt0.o%s} \
- %{!pg:%{p:/lib/mcrt0.o}%{!p:/lib/crt0.o}} \
- %(startfile_crtbegin) \
- %{svr4:%{ansi:/lib/values-Xc.o} \
- %{!ansi:%{traditional:/lib/values-Xt.o} \
- %{!traditional:/usr/lib/values-Xa.o}}}}}"
-
-#define STARTFILE_CRTBEGIN_SPEC "\
- %{msvr3:m88kdgux.ld%s bcscrtbegin.o%s} \
- %{!msvr3:crtbegin.o%s}"
-
-#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)
-
-/* 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 (TARGET_SVR4) \
- { \
- if (TARGET_88110) \
- fprintf (FILE, "%s\"%s\"\n", VERSION_ASM_OP, "04.00"); \
- else \
- fprintf (FILE, "%s\"%s\"\n", VERSION_ASM_OP, "03.00"); \
- } \
- if (write_symbols != NO_DEBUG && !TARGET_NOLEGEND) \
- { \
- 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. These must
- be constant strings when compiling crtstuff.c. Otherwise, respect the
- -mversion-STRING option used. */
-#undef INIT_SECTION_PREAMBLE
-#undef INIT_SECTION_ASM_OP
-#undef FINI_SECTION_ASM_OP
-#undef CTORS_SECTION_ASM_OP
-#undef DTORS_SECTION_ASM_OP
-
-#if defined (CRT_BEGIN) || defined (CRT_END) || defined (L__main)
-/* routines to invoke global constructors and destructors are always COFF
- to enable linking mixed COFF and ELF objects */
-#define FINI_SECTION_ASM_OP ("\tsection .fini,\"x\"")
-#ifndef BCS
-#define INIT_SECTION_PREAMBLE asm ("\taddu\tr31,r31,0x20")
-#endif
-#undef INIT_SECTION_ASM_OP
-#define INIT_SECTION_ASM_OP ("\tsection\t .init,\"x\"")
-#undef CTORS_SECTION_ASM_OP
-#define CTORS_SECTION_ASM_OP ("\tsection\t .ctors,\"d\"")
-#undef DTORS_SECTION_ASM_OP
-#define DTORS_SECTION_ASM_OP ("\tsection\t .dtors,\"d\"")
-#undef OBJECT_FORMAT_ELF
-#else
-#undef INIT_SECTION_ASM_OP
-#define INIT_SECTION_ASM_OP (TARGET_SVR4 \
- ? "\tsection\t .init,\"xa\"" \
- : "\tsection\t .init,\"x\"")
-#undef CTORS_SECTION_ASM_OP
-#define CTORS_SECTION_ASM_OP (TARGET_SVR4 \
- ? "\tsection\t .ctors,\"aw\"" \
- : "\tsection\t .ctors,\"d\"")
-#undef DTORS_SECTION_ASM_OP
-#define DTORS_SECTION_ASM_OP (TARGET_SVR4 \
- ? "\tsection\t .dtors,\"aw\"" \
- : "\tsection\t .dtors,\"d\"")
-#endif /* crtstuff.c */
-
-/* The lists of global object constructors and global destructors are always
- placed in the .ctors/.dtors sections. This requires the use of a link
- script if the COFF linker is used, but otherwise COFF and ELF objects
- can be intermixed. A COFF object will pad the section to 16 bytes with
- zeros; and ELF object will not contain padding. We deal with this by
- putting a -1 marker at the begin and end of the list and ignoring zero
- entries. */
-
-/* Mark the end of the .ctors/.dtors sections with a -1. */
-
-#define CTOR_LIST_BEGIN \
-asm (CTORS_SECTION_ASM_OP); \
-func_ptr __CTOR_LIST__[1] = { (func_ptr) (-1) }
-
-#define CTOR_LIST_END \
-asm (CTORS_SECTION_ASM_OP); \
-func_ptr __CTOR_END__[1] = { (func_ptr) (-1) }
-
-#define DTOR_LIST_BEGIN \
-asm (DTORS_SECTION_ASM_OP); \
-func_ptr __DTOR_LIST__[1] = { (func_ptr) (-1) }
-
-#define DTOR_LIST_END \
-asm (DTORS_SECTION_ASM_OP); \
-func_ptr __DTOR_END__[1] = { (func_ptr) (-1) }
-
-/* Walk the list ignoring NULL entries till we hit the terminating -1. */
-#define DO_GLOBAL_CTORS_BODY \
- do { \
- int i; \
- for (i=1;(int)(__CTOR_LIST__[i]) != -1; i++) \
- if (((int *)__CTOR_LIST__)[i] != 0) \
- __CTOR_LIST__[i] (); \
- } while (0)
-
-/* Walk the list looking for the terminating -1 that marks the end.
- Go backward and ignore any NULL entries. */
-#define DO_GLOBAL_DTORS_BODY \
- do { \
- int i; \
- for (i=1;(int)(__DTOR_LIST__[i]) != -1; i++); \
- for (i-=1;(int)(__DTOR_LIST__[i]) != -1; i--) \
- if (((int *)__DTOR_LIST__)[i] != 0) \
- __DTOR_LIST__[i] (); \
- } while (0)
-
-/* The maximum alignment which the object file format can support.
- page alignment would seem to be enough */
-#undef MAX_OFILE_ALIGNMENT
-#define MAX_OFILE_ALIGNMENT 0x1000
-
-/* Must use data section for relocatable constants when pic. */
-#undef SELECT_RTX_SECTION
-#define SELECT_RTX_SECTION(MODE,RTX,ALIGN) \
-{ \
- if (flag_pic && symbolic_operand ((RTX), (MODE))) \
- data_section (); \
- else \
- const_section (); \
-}
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