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Diffstat (limited to 'gcc_arm/config/arm/riscix.h')
| -rwxr-xr-x | gcc_arm/config/arm/riscix.h | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/gcc_arm/config/arm/riscix.h b/gcc_arm/config/arm/riscix.h new file mode 100755 index 0000000..a96e784 --- /dev/null +++ b/gcc_arm/config/arm/riscix.h @@ -0,0 +1,151 @@ +/* Definitions of target machine for GNU compiler. ARM RISCiX version. + Copyright (C) 1993, 1994, 1995, 1997 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, 59 Temple Place - Suite 330, +Boston, MA 02111-1307, 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 /* CYGNYS LOCAL */ +#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 /* END CYGNUS LOCAL */ + +/* RISCiX has some weird 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. If we don't define them in target + switches cc1 complains about them. For the sake of argument lets allocate + bit 31 of target flags for such options. */ +#define SUBTARGET_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 + +/* Override the normal default CPU */ +#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm2 + +#include "arm/aout.h" + +/* The RISCiX assembler does not understand .set */ +#undef SET_ASM_OP + +/* Override CPP_SPEC, there's no point handling endianness (and probably + not much point handling apcs_pc), and we want to add the right #defines + when using the include files. */ +#undef CPP_SPEC +#define CPP_SPEC "%(cpp_cpu_arch) %(cpp_apcs_pc) %(cpp_float) \ + %{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}}}" + +/* 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 |