cvs commit ChangeLog config.sub configure configure.in toplev.c

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@17060 138bc75d-0d04-0410-961f-82ee72b054a4

12 files changed, 337 insertions, 6 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 459dd59236e..34b123e85a9 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,16 @@
+Thu Dec 11 23:34:54 1997  Fred Fish  <fnf@ninemoons.com>
+
+	* config.sub: Add support for BeOS target.
+	* configure.in: Likewise.
+	* ginclude/stdarg.h: Likewise.
+	* ginclude/stddef.h: Likewise.
+	* ginclude/varargs.h: Likewise.
+	* rs6000/beos.h: New file for BeOS.
+	* rs6000/t-beos: Likewise.
+	* rs6000/x-beos: Likewise.
+	* rs6000/xm-beos.h: Likewise.
+	* toplev.c (get_run_time): Just return 0 on BeOS.
+
 Thu Dec 11 23:25:23 1997  Jeffrey A Law  (law@cygnus.com)
 			  Toon Moene  (toon@moene.indiv.nluug.nl)
 
diff --git a/gcc/config.sub b/gcc/config.sub
index 213a6d47d67..376152313a4 100755
--- a/gcc/config.sub
+++ b/gcc/config.sub
@@ -716,7 +716,7 @@ case $os in
 	      | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
 	      | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
 	      | -cygwin32* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
-	      | -mingw32* | -linux-gnu* | -uxpv*)
+	      | -mingw32* | -linux-gnu* | -uxpv* | -beos* )
 	# Remember, each alternative MUST END IN *, to match a version number.
 		;;
 	-linux*)
@@ -895,6 +895,9 @@ case $basic_machine in
 	f301-fujitsu)
 		os=-uxpv
 		;;
+	*-be)
+		os=-beos
+		;;
 	*)
 		os=-none
 		;;
@@ -946,6 +949,9 @@ case $basic_machine in
 			-aux*)
 				vendor=apple
 				;;
+			-beos*)
+				vendor=be
+				;;
 		esac
 		basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
 		;;
diff --git a/gcc/config/rs6000/beos.h b/gcc/config/rs6000/beos.h
new file mode 100644
index 00000000000..851601ff2b8
--- /dev/null
+++ b/gcc/config/rs6000/beos.h
@@ -0,0 +1,124 @@
+/* Definitions of target machine for GNU compiler, for BeOS.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   Contributed by Fred Fish (fnf@cygnus.com), based on aix41.h
+   from David Edelsohn (edelsohn@npac.syr.edu).
+
+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.  */
+
+
+/* Enable AIX XL compiler calling convention breakage compatibility.  */
+#define MASK_XL_CALL		0x40000000
+#define	TARGET_XL_CALL		(target_flags & MASK_XL_CALL)
+#undef  SUBTARGET_SWITCHES
+#define SUBTARGET_SWITCHES		\
+  {"xl-call", 		MASK_XL_CALL},	\
+  {"no-xl-call",	- MASK_XL_CALL}, \
+  {"threads",		0},		\
+  {"pe",		0},
+
+#include "rs6000/rs6000.h"
+
+#undef ASM_SPEC
+#define ASM_SPEC "-u %(asm_cpu)"
+
+#undef CPP_PREDEFINES
+/* __POWERPC__ must be defined for some header files */
+#define CPP_PREDEFINES "-D__BEOS__ -D__POWERPC__ -Asystem(beos) -Acpu(powerpc) -Amachine(powerpc)"
+
+#undef CPP_SPEC
+#define CPP_SPEC "%{posix: -D_POSIX_SOURCE} %(cpp_cpu)"
+
+#undef	CPP_DEFAULT_SPEC
+#define CPP_DEFAULT_SPEC "-D_ARCH_PPC"
+
+/* This is the easiest way to disable use of gcc's builtin alloca,
+   which in the current BeOS release (DR9) is a problem because of the
+   relatively low default stack size of 256K with no way to expand it.
+   So anything we compile for the BeOS target should not use the
+   builtin alloca.  This also has the unwanted side effect of
+   disabling all builtin functions though. */
+
+#undef CC1_SPEC
+#define CC1_SPEC "%{!fbuiltin: -fno-builtin}"
+#undef CC1PLUS_SPEC
+#define CC1PLUS_SPEC "%{!fbuiltin: -fno-builtin}"
+
+#undef	ASM_DEFAULT_SPEC
+#define ASM_DEFAULT_SPEC "-mppc"
+
+#undef TARGET_DEFAULT
+#define TARGET_DEFAULT (MASK_POWERPC | MASK_NEW_MNEMONICS)
+
+#undef PROCESSOR_DEFAULT
+#define PROCESSOR_DEFAULT PROCESSOR_PPC603
+
+/* Define this macro as a C expression for the initializer of an
+   array of string to tell the driver program which options are
+   defaults for this target and thus do not need to be handled
+   specially when using `MULTILIB_OPTIONS'.
+
+   Do not define this macro if `MULTILIB_OPTIONS' is not defined in
+   the target makefile fragment or if none of the options listed in
+   `MULTILIB_OPTIONS' are set by default.  *Note Target Fragment::.  */
+
+#undef	MULTILIB_DEFAULTS
+#define	MULTILIB_DEFAULTS { "mcpu=powerpc" }
+
+/* These are not necessary when we pass -u to the assembler, and undefining
+   them saves a great deal of space in object files.  */
+
+#undef ASM_OUTPUT_EXTERNAL
+#undef ASM_OUTPUT_EXTERNAL_LIBCALL
+#define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME)	\
+{ rtx _symref = XEXP (DECL_RTL (DECL), 0);	\
+  if ((TREE_CODE (DECL) == VAR_DECL		\
+       || TREE_CODE (DECL) == FUNCTION_DECL)	\
+      && (NAME)[strlen (NAME) - 1] != ']')	\
+    {						\
+      char *_name = (char *) permalloc (strlen (XSTR (_symref, 0)) + 5); \
+      strcpy (_name, XSTR (_symref, 0));	\
+      strcat (_name, TREE_CODE (DECL) == FUNCTION_DECL ? "[DS]" : "[RW]"); \
+      XSTR (_symref, 0) = _name;		\
+    }						\
+}
+
+/* These empty definitions get rid of the attempt to link in crt0.o
+   and any libraries like libc.a.
+   On BeOS the ld executable is actually a linker front end that first runs
+   the GNU linker with the -r option to generate a relocatable XCOFF output
+   file, and then runs Metrowork's linker (mwld) to generate a fully linked
+   executable. */
+
+#undef LIB_SPEC
+#define LIB_SPEC ""
+
+#undef LINK_SPEC
+#define LINK_SPEC ""
+
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC ""
+
+/* Text to write out after a CALL that may be replaced by glue code by
+   the loader. */
+
+#undef RS6000_CALL_GLUE
+#define RS6000_CALL_GLUE "cror 15,15,15"
+
+/* Struct alignments are done on 4 byte boundaries for all types. */
+#undef BIGGEST_FIELD_ALIGNMENT
+#define BIGGEST_FIELD_ALIGNMENT 32
diff --git a/gcc/config/rs6000/t-beos b/gcc/config/rs6000/t-beos
new file mode 100644
index 00000000000..1436108ab14
--- /dev/null
+++ b/gcc/config/rs6000/t-beos
@@ -0,0 +1,51 @@
+# Do not build libgcc1.
+LIBGCC1 =
+CROSS_LIBGCC1 =
+
+# These are really part of libgcc1, but this will cause them to be
+# built correctly, so... [taken from t-sparclite]
+LIB2FUNCS_EXTRA = fp-bit.c dp-bit.c
+
+dp-bit.c: $(srcdir)/config/fp-bit.c
+	cat $(srcdir)/config/fp-bit.c > dp-bit.c
+
+fp-bit.c: $(srcdir)/config/fp-bit.c
+	echo '#define FLOAT' > fp-bit.c
+	cat $(srcdir)/config/fp-bit.c >> fp-bit.c
+
+# Build the libraries for both hard and soft floating point
+
+MULTILIB_OPTIONS = msoft-float mcpu=common
+MULTILIB_DIRNAMES = soft-float common
+
+LIBGCC = stmp-multilib
+INSTALL_LIBGCC = install-multilib
+
+# This is probably the correct define, to override the Makefile
+# default, but using it causes more problems than it solves.
+#
+# Using it will cause fixincludes to try and fix some of the
+# mwcc header files, which it seems to do a poor job of.  On
+# the other hand, not using it will only cause the gcc version
+# of limits.h to lack the header and trailer parts that are
+# tacked on to it when there is a limits.h in the system header
+# dir.
+#
+# For now it is probably better to change the rule for
+# LIMITS_H_TEST to explicitly look for the BeOS limits.h.
+# If the gcc limits.h is not set up to #include_next the
+# BeOS limits.h, then some things will go undefined, like
+# PATH_MAX.
+
+#SYSTEM_HEADER_DIR=/boot/develop/headers/posix
+# Test to see whether <limits.h> exists in the system header files.
+LIMITS_H_TEST = [ -f /boot/develop/headers/posix/limits.h ]
+
+# Aix 3.2.x needs milli.exp for -mcpu=common
+EXTRA_PARTS = milli.exp
+milli.exp: $(srcdir)/config/rs6000/milli.exp
+	rm -f milli.exp
+	cp $(srcdir)/config/rs6000/milli.exp ./milli.exp
+
+# Don't use collect.
+USE_COLLECT2 =
diff --git a/gcc/config/rs6000/x-beos b/gcc/config/rs6000/x-beos
new file mode 100644
index 00000000000..37b8ccac9cf
--- /dev/null
+++ b/gcc/config/rs6000/x-beos
@@ -0,0 +1,9 @@
+# configuration for BeOS
+INSTALL=install -c
+
+# Show we need to use the C version of ALLOCA
+ALLOCA=alloca.o
+# Use it regardless of whether we are compiling with gcc or not.
+USE_ALLOCA= `echo "${ALLOCA}"`
+USE_HOST_ALLOCA= `echo ${HOST_PREFIX}${HOST_ALLOCA}`
+SUBDIR_USE_ALLOCA = `if [ x$(ALLOCA) != x ]; then echo ../$(ALLOCA); else true; fi`
diff --git a/gcc/config/rs6000/xm-beos.h b/gcc/config/rs6000/xm-beos.h
new file mode 100644
index 00000000000..681aa73bcc6
--- /dev/null
+++ b/gcc/config/rs6000/xm-beos.h
@@ -0,0 +1,89 @@
+/* Configuration for GNU C-compiler for BeOS host.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   Contributed by Fred Fish (fnf@cygnus.com), based on xm-rs6000.h
+   by Richard Kenner (kenner@vlsi1.ultra.nyu.edu).
+
+
+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.  */
+
+
+/* #defines that need visibility everywhere.  */
+
+#define	FALSE	0
+#define	TRUE	1
+
+/* This describes the machine the compiler is hosted on.  */
+
+#define	HOST_BITS_PER_CHAR	8
+#define	HOST_BITS_PER_SHORT	16
+#define	HOST_BITS_PER_INT	32
+#define	HOST_BITS_PER_LONG	32
+#define HOST_BITS_PER_LONGLONG	64
+
+#define	HOST_WORDS_BIG_ENDIAN
+
+/* target machine dependencies.
+   tm.h is a symbolic link to the actual target specific file.   */
+
+#include "tm.h"
+
+/* Arguments to use with `exit'.  */
+
+#define	SUCCESS_EXIT_CODE	0
+#define	FATAL_EXIT_CODE		33
+
+/* Use the C alloca and use only int bitfields.  */
+
+#define USE_C_ALLOCA
+extern void *alloca ();
+#define	ONLY_INT_FIELDS
+
+/* use ANSI/SYSV style byte manipulation routines instead of BSD ones */
+
+#undef bcopy
+#define bcopy(s,d,n)	memmove((d),(s),(n))
+#undef bzero
+#define bzero(d,n)	memset((d),0,(n))
+#undef bcmp
+#define bcmp(l,r,n)	memcmp((l),(r),(n))
+#undef index
+#define index		strchr
+#undef rindex
+#define rindex		strrchr
+
+/* BeOS is closer to USG than BSD */
+
+#define USG
+
+/* Define various things that the BeOS host has. */
+
+#define HAVE_VPRINTF
+#define HAVE_PUTENV
+#define HAVE_ATEXIT
+#define HAVE_RENAME
+
+#define STDC_HEADERS 1
+
+/* STANDARD_INCLUDE_DIR is the equivalent of "/usr/include" on UNIX. */
+
+#define STANDARD_INCLUDE_DIR	"/boot/develop/headers/posix"
+
+/* SYSTEM_INCLUDE_DIR is the location for system specific, non-POSIX headers. */
+
+#define SYSTEM_INCLUDE_DIR	"/boot/develop/headers/be"
+
diff --git a/gcc/configure b/gcc/configure
index e9dc7cd7480..ffbb35c2964 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -4883,6 +4883,13 @@ for machine in $build $host $target; do
 		xmake_file=romp/x-mach
 		use_collect2=yes
 		;;
+	powerpc-*-beos*)
+		cpu_type=rs6000
+		tm_file=rs6000/beos.h
+		xm_file=rs6000/xm-beos.h
+		tmake_file=rs6000/t-beos
+		xmake_file=rs6000/x-beos
+		;;
 	powerpc-*-sysv* | powerpc-*-elf*)
 		if [ x$enable_haifa != xno ]; then
 			enable_haifa=yes
diff --git a/gcc/configure.in b/gcc/configure.in
index d307fa0882f..98377e9973d 100644
--- a/gcc/configure.in
+++ b/gcc/configure.in
@@ -2124,6 +2124,13 @@ for machine in $build $host $target; do
 		xmake_file=romp/x-mach
 		use_collect2=yes
 		;;
+	powerpc-*-beos*)
+		cpu_type=rs6000
+		tm_file=rs6000/beos.h
+		xm_file=rs6000/xm-beos.h
+		tmake_file=rs6000/t-beos
+		xmake_file=rs6000/x-beos
+		;;
 	powerpc-*-sysv* | powerpc-*-elf*)
 		if [[ x$enable_haifa != xno ]]; then
 			enable_haifa=yes
diff --git a/gcc/ginclude/stdarg.h b/gcc/ginclude/stdarg.h
index 24f3383198d..71673fb02a0 100644
--- a/gcc/ginclude/stdarg.h
+++ b/gcc/ginclude/stdarg.h
@@ -64,7 +64,7 @@
 
 #ifndef __GNUC_VA_LIST
 #define __GNUC_VA_LIST
-#if defined(__svr4__) || defined(_AIX) || defined(_M_UNIX) || defined(__NetBSD__)
+#if defined(__svr4__) || defined(_AIX) || defined(_M_UNIX) || defined(__NetBSD__) || defined (__BEOS__)
 typedef char *__gnuc_va_list;
 #else
 typedef void *__gnuc_va_list;
@@ -178,7 +178,9 @@ typedef __gnuc_va_list va_list;
 #ifndef _VA_LIST
 /* The macro _VA_LIST_T_H is used in the Bull dpx2  */
 #ifndef _VA_LIST_T_H
+#ifndef __va_list__
 typedef __gnuc_va_list va_list;
+#endif /* not __va_list__ */
 #endif /* not _VA_LIST_T_H */
 #endif /* not _VA_LIST */
 #endif /* not _VA_LIST_DEFINED */
@@ -194,6 +196,9 @@ typedef __gnuc_va_list va_list;
 #ifndef _VA_LIST_T_H
 #define _VA_LIST_T_H
 #endif
+#ifndef __va_list__
+#define __va_list__	/* BeOS */
+#endif
 
 #endif /* not _VA_LIST_, except on certain systems */
 
diff --git a/gcc/ginclude/stddef.h b/gcc/ginclude/stddef.h
index 23d8455c649..0fb57430bce 100644
--- a/gcc/ginclude/stddef.h
+++ b/gcc/ginclude/stddef.h
@@ -135,6 +135,7 @@ typedef __PTRDIFF_TYPE__ ptrdiff_t;
 /* Define this type if we are doing the whole job,
    or if we want this type in particular.  */
 #if defined (_STDDEF_H) || defined (__need_size_t)
+#ifndef __size_t__	/* BeOS */
 #ifndef _SIZE_T	/* in case <sys/types.h> has defined it. */
 #ifndef _SYS_SIZE_T_H
 #ifndef _T_SIZE_
@@ -148,6 +149,7 @@ typedef __PTRDIFF_TYPE__ ptrdiff_t;
 #ifndef _GCC_SIZE_T
 #ifndef _SIZET_
 #ifndef __size_t
+#define __size_t__	/* BeOS */
 #define _SIZE_T
 #define _SYS_SIZE_T_H
 #define _T_SIZE_
@@ -166,6 +168,9 @@ typedef __PTRDIFF_TYPE__ ptrdiff_t;
 #endif
 #if !(defined (__GNUG__) && defined (size_t))
 typedef __SIZE_TYPE__ size_t;
+#ifdef __BEOS__
+typedef long ssize_t;
+#endif /* __BEOS__ */
 #endif /* !(defined (__GNUG__) && defined (size_t)) */
 #endif /* __size_t */
 #endif /* _SIZET_ */
@@ -180,6 +185,7 @@ typedef __SIZE_TYPE__ size_t;
 #endif /* _T_SIZE_ */
 #endif /* _SYS_SIZE_T_H */
 #endif /* _SIZE_T */
+#endif /* __size_t__ */
 #undef	__need_size_t
 #endif /* _STDDEF_H or __need_size_t.  */
 
@@ -192,6 +198,7 @@ typedef __SIZE_TYPE__ size_t;
 /* Define this type if we are doing the whole job,
    or if we want this type in particular.  */
 #if defined (_STDDEF_H) || defined (__need_wchar_t)
+#ifndef __wchar_t__	/* BeOS */
 #ifndef _WCHAR_T
 #ifndef _T_WCHAR_
 #ifndef _T_WCHAR
@@ -204,6 +211,7 @@ typedef __SIZE_TYPE__ size_t;
 #ifndef ___int_wchar_t_h
 #ifndef __INT_WCHAR_T_H
 #ifndef _GCC_WCHAR_T
+#define __wchar_t__	/* BeOS */
 #define _WCHAR_T
 #define _T_WCHAR_
 #define _T_WCHAR
@@ -237,8 +245,12 @@ typedef _BSD_RUNE_T_ rune_t;
 #endif
 
 #ifndef __WCHAR_TYPE__
+#ifdef __BEOS__
+#define __WCHAR_TYPE__ unsigned char
+#else
 #define __WCHAR_TYPE__ int
 #endif
+#endif
 #ifndef __cplusplus
 typedef __WCHAR_TYPE__ wchar_t;
 #endif
@@ -254,6 +266,7 @@ typedef __WCHAR_TYPE__ wchar_t;
 #endif
 #endif
 #endif
+#endif /* __wchar_t__ */
 #undef	__need_wchar_t
 #endif /* _STDDEF_H or __need_wchar_t.  */
 
diff --git a/gcc/ginclude/varargs.h b/gcc/ginclude/varargs.h
index 410d06aac69..4259b9f55d8 100644
--- a/gcc/ginclude/varargs.h
+++ b/gcc/ginclude/varargs.h
@@ -96,7 +96,7 @@
 
 #ifndef __GNUC_VA_LIST
 #define __GNUC_VA_LIST
-#if defined(__svr4__) || defined(_AIX) || defined(_M_UNIX)
+#if defined(__svr4__) || defined(_AIX) || defined(_M_UNIX) || defined(__BEOS__)
 typedef char *__gnuc_va_list;
 #else
 typedef void *__gnuc_va_list;
@@ -192,7 +192,10 @@ typedef __gnuc_va_list va_list;
 #ifndef _VA_LIST
 /* The macro _VA_LIST_T_H is used in the Bull dpx2  */
 #ifndef _VA_LIST_T_H
+/* The macro __va_list__ is used in BeOS */
+#ifndef __va_list__
 typedef __gnuc_va_list va_list;
+#endif /* not __va_list__ */
 #endif /* not _VA_LIST_T_H */
 #endif /* not _VA_LIST */
 #endif /* not _VA_LIST_DEFINED */
@@ -208,6 +211,9 @@ typedef __gnuc_va_list va_list;
 #ifndef _VA_LIST_T_H
 #define _VA_LIST_T_H
 #endif
+#ifndef __va_list__	/* BeOS */
+#define __va_list__
+#endif
 
 #endif /* not _VA_LIST_, except on certain systems */
 
diff --git a/gcc/toplev.c b/gcc/toplev.c
index 9cbd513fca2..984b7682b90 100644
--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -1036,9 +1036,10 @@ get_run_time ()
 #else /* VMS */
   times ((void *) &vms_times);
   return (vms_times.proc_user_time + vms_times.proc_system_time) * 10000;
-#endif
-#endif
-#endif
+#endif	/* VMS */
+#endif	/* USG */
+#endif	/* _WIN32 */
+#endif	/* __BEOS__ */
 }
 
 #define TIMEVAR(VAR, BODY)    \