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- /* Definitions of target machine for GNU compiler. ARM RISCiX version.
- Copyright (C) 1993, 1994 Free Software Foundation, Inc.
- Contributed by Richard Earnshaw (rwe11@cl.cam.ac.uk), based on original
- work by Pieter `Tiggr' Schoenmakers (rcpieter@win.tue.nl)
- and Martin Simmons (@harleqn.co.uk).
-
- 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. */
-
- /* Translation to find startup files. On RISC iX boxes,
- crt0, mcrt0 and gcrt0.o are in /usr/lib. */
- #define STARTFILE_SPEC "\
- %{pg:/usr/lib/gcrt0.o%s}\
- %{!pg:%{p:/usr/lib/mcrt0.o%s}\
- %{!p:/usr/lib/crt0.o%s}}"
-
- /* RISC iX has no concept of -lg */
- /* If -static is specified then link with -lc_n */
-
- #ifndef LIB_SPEC
- #define LIB_SPEC "\
- %{g*:-lg}\
- %{!p:%{!pg:%{!static:-lc}%{static:-lc_n}}}\
- %{p:-lc_p}\
- %{pg:-lc_p}"
- #endif
-
- /* The RISC iX assembler never deletes any symbols from the object module;
- and, by default, ld doesn't either. -X causes local symbols starting
- with 'L' to be deleted, which is what we want. */
- #ifndef LINK_SPEC
- #define LINK_SPEC "-X"
- #endif
-
- #ifndef CPP_PREDEFINES
- #define CPP_PREDEFINES \
- "-Darm -Driscix -Dunix -Asystem(unix) -Acpu(arm) -Amachine(arm)"
- #endif
-
- #ifndef CPP_SPEC
- #define CPP_SPEC "%{m6:-D__arm6__} \
- %{mbsd:%{pedantic:%e-mbsd and -pedantic incompatible} -D_BSD_C} \
- %{mxopen:%{mbsd:%e-mbsd and -mxopen incompatible} \
- %{pedantic:%e-mxopen and -pedantic incompatible} -D_XOPEN_C} \
- %{!mbsd:%{!mxopen:%{!ansi: -D_BSD_C}}}"
- #endif
-
- /* RISCiX has some wierd symbol name munging, that is done to the object module
- after assembly, which enables multiple libraries to be supported within
- one (possibly shared) library. It basically changes the symbol name of
- certain symbols (for example _bcopy is converted to _$bcopy if using BSD)
- Symrename's parameters are determined as follows:
- -mno-symrename Don't run symrename
- -mbsd symrename -BSD <file>
- -mxopen symrename -XOPEN <file>
- -ansi symrename - <file>
- <none> symrename -BSD <file>
- */
-
- #ifndef ASM_FINAL_SPEC
- #if !defined (CROSS_COMPILE)
- #define ASM_FINAL_SPEC "\
- %{!mno-symrename: \
- \n /usr/bin/symrename \
- -%{mbsd:%{pedantic:%e-mbsd and -pedantic incompatible}BSD}\
- %{mxopen:%{mbsd:%e-mbsd and -mxopen incompatible}\
- %{pedantic:%e-mxopen and -pedantic incompatible}XOPEN}\
- %{!mbsd:%{!mxopen:%{!ansi:BSD}}} %{c:%{o*:%*}%{!o*:%b.o}}%{!c:%U.o}}"
- #endif
- #endif
-
- /* None of these is actually used in cc1, so they modify bit 31 */
- #define ARM_EXTRA_TARGET_SWITCHES \
- {"bsd", 0x80000000}, {"xopen", 0x80000000}, {"no-symrename", 0x80000000},
-
-
-
- /* Run-time Target Specification. */
- #define TARGET_VERSION \
- fputs (" (ARM/RISCiX)", stderr);
-
- /* This is used in ASM_FILE_START */
- #define ARM_OS_NAME "RISCiX"
-
- /* Unsigned chars produces much better code than signed. */
- #define DEFAULT_SIGNED_CHAR 0
-
- /* Define this if the target system supports the function atexit from the
- ANSI C standard. If this is not defined, and INIT_SECTION_ASM_OP is not
- defined, a default exit function will be provided to support C++.
- The man page only describes on_exit, but atexit is also there. */
- #define HAVE_ATEXIT 1
-
- /* Some systems use __main in a way incompatible with its use in gcc, in these
- cases use the macros NAME__MAIN to give a quoted symbol and SYMBOL__MAIN to
- give the same symbol without quotes for an alternative entry point. You
- must define both, or neither. */
- #ifndef NAME__MAIN
- #define NAME__MAIN "__gccmain"
- #define SYMBOL__MAIN __gccmain
- #endif
-
- /* size_t is "unsigned int" in RISCiX */
- #define SIZE_TYPE "unsigned int"
-
- /* ptrdiff_t is "int" in RISCiX */
- #define PTRDIFF_TYPE "int"
-
- /* Maths operation domain error number, EDOM */
- #define TARGET_EDOM 33
- #include "arm/arm.h"
-
- /* The native RISCiX assembler does not support stabs of any kind; because
- the native assembler is not used by the compiler, Acorn didn't feel it was
- necessary to put them in! */
-
- #ifdef DBX_DEBUGGING_INFO
- #undef DBX_DEBUGGING_INFO
- #endif
-