Initial revision

From-SVN: r5565

3 files changed, 246 insertions, 0 deletions

diff --git a/gcc/config/arm/riscix.h b/gcc/config/arm/riscix.h
new file mode 100644
index 0000000..6ccb761
--- /dev/null
+++ b/gcc/config/arm/riscix.h
@@ -0,0 +1,116 @@
+/* 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
diff --git a/gcc/config/arm/riscix1-1.h b/gcc/config/arm/riscix1-1.h
new file mode 100644
index 0000000..8a12c29
--- /dev/null
+++ b/gcc/config/arm/riscix1-1.h
@@ -0,0 +1,92 @@
+/* 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
diff --git a/gcc/config/arm/rix-gas.h b/gcc/config/arm/rix-gas.h
new file mode 100644
index 0000000..7431e91
--- /dev/null
+++ b/gcc/config/arm/rix-gas.h
@@ -0,0 +1,38 @@
+/* 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*/