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- /* Definitions for Rs6000 running LynxOS.
- Copyright (C) 1995 Free Software Foundation, Inc.
- Contributed by David Henkel-Wallace, Cygnus Support (gumby@cygnus.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. */
-
- #include <lynx.h>
-
- /* Definitions we want to override with those from rs6000.h: */
- #undef LIB_SPEC
- #undef PTRDIFF_TYPE
- #undef WCHAR_TYPE
- #undef WCHAR_TYPE_SIZE
- #undef ASM_FILE_START
- #undef EXTRA_SECTIONS
- #undef READONLY_DATA_SECTION
- #undef EXTRA_SECTION_FUNCTIONS
- #undef SELECT_RTX_SECTION
- #undef SELECT_SECTION
- #undef ASM_OUTPUT_LABELREF
- #undef ASM_OUTPUT_INTERNAL_LABEL
- #undef ASM_GENERATE_INTERNAL_LABEL
- #undef ASM_OUTPUT_COMMON
- #undef ASM_OUTPUT_LOCAL
- #undef ASM_OUTPUT_CONSTRUCTOR
- #undef ASM_OUTPUT_DESTRUCTOR
- #undef CTORS_SECTION_FUNCTION
- #undef DTORS_SECTION_FUNCTION
-
- #undef SDB_DEBUGGING_INFO
- #undef DBX_DEBUGGING_INFO
- #undef PREFERRED_DEBUGGING_TYPE
-
- #undef FUNCTION_PROFILER
-
- #include <rs6000/rs6000.h>
-
- /* LynxOS has signed chars, regardless of what most R/S 6000 systems do */
- #undef DEFAULT_SIGNED_CHAR
- #define DEFAULT_SIGNED_CHAR 1
-
- #undef CPP_PREDEFINES
- #define CPP_PREDEFINES "-Acpu(rs6000) -Amachine(rs6000) -Asystem(lynx) -Asystem(unix) -DLynx -D_IBMR2 -Dunix -Drs6000 -Dlynx -DLYNX"
-
- #undef LINK_SPEC
- #define LINK_SPEC "-T0x10001000 -H0x1000 -D0x20000000 -btextro -bhalt:4 -bnodelcsect -bnso -bro -bnoglink %{v} %{b*}"
-
- #undef LIB_SPEC
- #define LIB_SPEC "%{mthreads:-L/lib/thread/} \
- %{msystem-v:-lc_v -lm.v} \
- %{!msystem-v:%{mposix:-lc_p} -lc -lm}"
-
- #undef STARTFILE_SPEC
- #define STARTFILE_SPEC "%{p:%{mthreads:thread/pinit.o%s}%{!mthreads:pinit.o%s}}%{!p:%{msystem-v:vinit.o%s -e_start}%{!msystem-v:%{mthreads:thread/init.o%s}%{!mthreads:init.o%s}}}"
-
- #undef ENDFILE_SPEC
-
- /* This can become more refined as we have more powerpc options. */
- #undef ASM_SPEC
- #define ASM_SPEC "-u %{m601:-m601} %{power*:-m601}"
-
- #undef SUBTARGET_SWITCHES
- #define SUBTARGET_SWITCHES \
- {"threads", MASK_THREADS}, \
- {"posix", MASK_POSIX}, \
- {"system-v", MASK_SYSTEM_V},
-
- #undef SUBTARGET_OVERRIDE_OPTIONS
- #define SUBTARGET_OVERRIDE_OPTIONS \
- do { \
- if (TARGET_SYSTEM_V && profile_flag) \
- warning ("-msystem-v and -p are incompatible"); \
- if (TARGET_SYSTEM_V && TARGET_THREADS) \
- warning ("-msystem-v and -mthreads are incompatible"); \
- } while (0)
-
- /* For collect2 */
- #define OBJECT_FORMAT_NONE
- #undef OBJECT_FORMAT_COFF
- #undef OBJECT_FORMAT_ROSE
- #undef MD_EXEC_PREFIX
- #undef REAL_LD_FILE_NAME
- #undef REAL_NM_FILE_NAME
- #undef REAL_STRIP_FILE_NAME
-
- /* LynxOS doesn't have mcount. */
- #undef FUNCTION_PROFILER
- #define FUNCTION_PROFILER(file, profile_label_no)
-