| /* Target independent definitions for LynxOS. |
| Copyright (C) 1993-2021 Free Software Foundation, Inc. |
| |
| This file is part of GCC. |
| |
| GCC 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 3, or (at your option) |
| any later version. |
| |
| GCC 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 GCC; see the file COPYING3. If not see |
| <http://www.gnu.org/licenses/>. */ |
| |
| /* In this file we set up defaults that can be chosen by |
| <target>/lynx.h files. A target-specific lynx.h file can decide |
| either to define and override these definitions or to use them by |
| ensuring they are undefined at this point. If we were to #undef |
| them here we might accidentally disable some target-specific |
| defines. */ |
| |
| #ifndef EXTRA_OS_LYNX_TARGET_SPECS |
| # define EXTRA_OS_LYNX_TARGET_SPECS |
| #endif |
| |
| #ifndef EXTRA_OS_LYNX_SPECS |
| # define EXTRA_OS_LYNX_SPECS \ |
| { "cpp_os_lynx", CPP_OS_LYNX_SPEC }, \ |
| { "lib_os_lynx", LIB_OS_LYNX_SPEC }, \ |
| { "link_os_lynx", LINK_OS_LYNX_SPEC }, \ |
| { "startfile_os_lynx", STARTFILE_OS_LYNX_SPEC }, \ |
| { "endfile_os_lynx", ENDFILE_OS_LYNX_SPEC }, \ |
| EXTRA_OS_LYNX_TARGET_SPECS |
| #endif |
| |
| #ifndef SUBTARGET_EXTRA_SPECS |
| # define SUBTARGET_EXTRA_SPECS EXTRA_OS_LYNX_SPECS |
| #endif |
| |
| #ifndef CPP_SPEC |
| # define CPP_SPEC "%(cpp_cpu) %(cpp_os_lynx)" |
| #endif |
| |
| #ifndef LIB_SPEC |
| # define LIB_SPEC "%(lib_os_lynx)" |
| #endif |
| |
| #ifndef LINK_SPEC |
| # define LINK_SPEC "%(link_os_lynx)" |
| #endif |
| |
| #ifndef STARTFILE_SPEC |
| # define STARTFILE_SPEC "%(startfile_os_lynx)" |
| #endif |
| |
| #ifndef ENDFILE_SPEC |
| # define ENDFILE_SPEC "%(endfile_os_lynx)" |
| #endif |
| |
| #ifndef CPP_OS_LYNX_SPEC |
| # define CPP_OS_LYNX_SPEC \ |
| "%{mthreads: \ |
| %{mlegacy-threads: \ |
| %ecannot use mthreads and mlegacy-threads together}} \ |
| %{mthreads: -D_MULTITHREADED} \ |
| %{mlegacy-threads: -D_THREADS_POSIX4ad4} \ |
| -Asystem=lynx -Asystem=unix -D__Lynx__ -D__unix__" |
| #endif |
| |
| #ifndef LIB_OS_LYNX_SPEC |
| # define LIB_OS_LYNX_SPEC \ |
| "%{mlegacy-threads:-lposix-pre1c} -lm -lc" |
| #endif |
| |
| /* We link static executables for LynxOS by default unless -mshared is |
| used when linking an executable. Along the same line, we link to |
| shared libraries when linking a shared object by default unless |
| -static is used. |
| |
| We have to pass in our -L options here otherwise the translated |
| startfile directories (%D) will take priority over this. |
| Furthermore since we have to pass in -L options here we have to |
| make sure that -L options provided by the user take priority over |
| everything we specify. */ |
| |
| #ifndef LINK_OS_LYNX_SPEC |
| # define LINK_OS_LYNX_SPEC \ |
| "%{shared} %{static} \ |
| %{mshared: %{static: %ecannot use mshared and static together}} \ |
| %{!mshared: %{!shared: %{!static: -static}}} \ |
| %{L*} \ |
| %{mthreads: \ |
| %{mshared: -L/lib/thread/shlib -rpath /lib/thread/shlib} \ |
| %{shared: \ |
| %{!static: -L/lib/thread/shlib -rpath /lib/thread/shlib} \ |
| %{!mshared: -L/lib/thread}} \ |
| %{shared: %{static: -L/lib/thread}}} \ |
| %{!mthreads: \ |
| %{mshared: -L/lib/shlib -rpath /lib/shlib} \ |
| %{shared: -L/lib/shlib -rpath /lib/shlib}} \ |
| %{mlegacy-threads:-lposix-pre1c} -lm -lc" |
| #endif |
| |
| #ifndef STARTFILE_OS_LYNX_SPEC |
| # define STARTFILE_OS_LYNX_SPEC \ |
| "%{!shared: \ |
| %{!mthreads: \ |
| %{p:gcrt1.o%s} %{pg:gcrt1.o%s} \ |
| %{!p:%{!pg:crt1.o%s}}} \ |
| %{mthreads: \ |
| %{p:thread/gcrt1.o%s} %{pg:thread/gcrt1.o%s} \ |
| %{!p:%{!pg:thread/crt1.o%s }}}}\ |
| %{mthreads: thread/crti.o%s} %{!mthreads: crti.o%s} \ |
| %{!shared: crtbegin.o%s} \ |
| %{shared: crtbeginS.o%s}" |
| #endif |
| |
| #ifndef ENDFILE_OS_LYNX_SPEC |
| # define ENDFILE_OS_LYNX_SPEC \ |
| "%{!shared: crtend.o%s} \ |
| %{shared: crtendS.o%s} \ |
| %{mthreads: thread/crtn.o%s} %{!mthreads: crtn.o%s}" |
| #endif |
| |
| /* Define the actual types of some ANSI-mandated types. */ |
| |
| #ifndef SIZE_TYPE |
| # define SIZE_TYPE "unsigned int" |
| #endif |
| |
| #ifndef PTRDIFF_TYPE |
| # define PTRDIFF_TYPE "int" |
| #endif |
| |
| #ifndef WCHAR_TYPE |
| # define WCHAR_TYPE "long int" |
| #endif |
| |
| #ifndef WCHAR_TYPE_SIZE |
| # define WCHAR_TYPE_SIZE BITS_PER_WORD |
| #endif |
| |
| /* Define ASM_OUTPUT_ALIGN to use the .balign directive rather that |
| the .align directive with GAS. */ |
| |
| #ifndef ASM_OUTPUT_ALIGN |
| # define ASM_OUTPUT_ALIGN(FILE, LOG) \ |
| do \ |
| { \ |
| if ((LOG) != 0) \ |
| fprintf ((FILE), "\t.balign %d\n", 1 << (LOG)); \ |
| } \ |
| while (0) |
| #endif |
| |
| #ifndef TARGET_POSIX_IO |
| # define TARGET_POSIX_IO |
| #endif |