| /* Definitions for Rs6000 running LynxOS. |
| Copyright (C) 1995, 1996, 2000 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 USER_LABEL_PREFIX |
| #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 %(asm_cpu)" |
| |
| #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_STRIP_FILE_NAME |
| |
| /* LynxOS doesn't have mcount. */ |
| #undef FUNCTION_PROFILER |
| #define FUNCTION_PROFILER(file, profile_label_no) |
