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riscv-gcc-1
Commit 44d971f5 by Richard Earnshaw
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Initial revision 

From-SVN: r5565
parent ff9940b0
Showing with 246 additions and 0 deletions
gcc/config/arm/riscix.h 0 → 100644
/* Definitions of target machine for GNU compiler. ARM RISCiX version.
Copyright (C) 1993 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 RISCiX boxes, gcrt0.o is in
/usr/lib. */
#define STARTFILE_SPEC \
"%{pg:/usr/lib/gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}"
#ifndef CPP_PREDEFINES
#define CPP_PREDEFINES \
"-Darm -Driscix -Dunix -Asystem(unix) -Acpu(arm) -Amachine(arm)"
#endif
#if 0
#define CPP_PREDEFINES "-Darm -Driscos -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_COMPILER)
#define ASM_FINAL_SPEC "\
%{!mno-symrename: \
\n /usr/bin/symrename \
-%{mbsd:%{ansi:%e-mbsd and -ansi incompatible}BSD}\
%{mxopen:%{mbsd:%e-mbsd and -mxopen incompatible}\
%{ansi:%e-mxopen and -ansi 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"
#ifdef riscos
#define TARGET_WHEN_DEBUGGING 3
#else
#define TARGET_WHEN_DEBUGGING 1
#endif
/* 'char' is signed by default on RISCiX, unsigned on RISCOS. */
#ifdef riscos
#define DEFAULT_SIGNED_CHAR 0
#else
#define DEFAULT_SIGNED_CHAR 1
#endif
/* Define this if the target system supports the function atexit form 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 niether. */
#ifndef NAME__MAIN
#define NAME__MAIN "__gccmain"
#define SYMBOL__MAIN __gccmain
#endif
#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
gcc/config/arm/riscix1-1.h 0 → 100644
/* Definitions of target machine for GNU compiler. ARM RISCiX 1.1x version.
Copyright (C) 1993 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. */
/* RISCix 1.1x is basically the same as 1.2x except that it doesn't have
symrename or atexit. */
/* Translation to find startup files. On RISCiX boxes, gcrt0.o is in
/usr/lib. */
#define STARTFILE_SPEC \
"%{pg:/usr/lib/gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}"
#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__} %{!ansi: -D_BSD_C}"
#endif
/* Riscix 1.1 doesn't have X/OPEN support, so only accept -mbsd (but ignore
it).
By not having -mxopen and -mno-symrename, we get warning messages,
but everything still compiles. */
/* None of these is actually used in cc1, so they modify bit 31 */
#define ARM_EXTRA_TARGET_SWITCHES \
{"bsd", 0x80000000},
/* Run-time Target Specification. */
#define TARGET_VERSION \
fputs (" (ARM/RISCiX)", stderr);
/* This is used in ASM_FILE_START */
#define ARM_OS_NAME "RISCiX"
#ifdef riscos
#define TARGET_WHEN_DEBUGGING 3
#else
#define TARGET_WHEN_DEBUGGING 1
#endif
/* 'char' is signed by default on RISCiX, unsigned on RISCOS. */
#ifdef riscos
#define DEFAULT_SIGNED_CHAR 0
#else
#define DEFAULT_SIGNED_CHAR 1
#endif
/* Define this if the target system supports the function atexit form 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.
This seems to be missing in early versions. */
/*#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 niether. */
#ifndef NAME__MAIN
#define NAME__MAIN "__gccmain"
#define SYMBOL__MAIN __gccmain
#endif
#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
gcc/config/arm/rix-gas.h 0 → 100644
/* Definitions of target machine for GNU compiler. ARM RISCiX(stabs) version.
Copyright (C) 1993 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. */
#include "arm/riscix.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!
However, this file assumes that we have an assembler that does have stabs,
so we put them back in. */
#define DBX_DEBUGGING_INFO
/* Unfortunately dbx doesn't understand these */
#define DEFAULT_GDB_EXTENSIONS 0
/* RISCiX dbx doesn't accept xrefs */
#define DBX_NO_XREFS 1
/* dbx wants lbracs before variables */
/* #define DBX_LBRAC_FIRST 1*/
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