Initial revision

From-SVN: r7488

gcc/config/sparc/sp64-aout.h

+/* Definitions of target machine for GNU compiler,
+   for Sun SPARC-V9 on a hypothetical a.out format machine.
+   Copyright (C) 1994 Free Software Foundation, Inc.
+   Contributed by Doug Evans, dje@cygnus.com.
+
+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.  */
+
+/* This is a v9 only compiler.  -mv8 is not expected to work.  If you want
+   a v8/v9 compiler, this isn't the place to do it.  */
+/* ??? Until real v9 machines exist, all of this is subject to change.  */
+/* ??? This file should really be called sp64-sunos4.h or some such but that
+   would be a bit misleading since no such machines exist yet.  The current
+   name is also misleading since the term "aout" is more properly applied to
+   embedded configurations.  */
+
+#define SPARCV9 /* See sparc.h.  */
+
+#include "sparc/sparc.h"
+
+/* A v9 compiler with 32 bit integers and 64 bit pointers,
+   in a Medium/Low code model with only 32 bit assembler support.  */
+
+#undef TARGET_DEFAULT
+#define TARGET_DEFAULT \
+  (MASK_V9 + MASK_MEDLOW + MASK_ENV32 + MASK_PTR64 + MASK_HARD_QUAD + MASK_EPILOGUE + MASK_FPU)
+
+/* ??? Disabled for v9 as the current implementation of the Medium/Anywhere
+   code model needs this in the data segment (still true?).  Let's hope the
+   assembler is fixed.  */
+#undef JUMP_TABLES_IN_TEXT_SECTION
+
+/* Put all data in the data segment (necessary for the current implementation
+   of the Medium/Anywhere code model - see if still true).  */
+
+#define READONLY_DATA_SECTION data_section

gcc/config/sparc/sp64-elf.h

+/* Definitions of target machine for GNU compiler,
+   for Sun SPARC-V9 on a hypothetical elf format machine.
+   Copyright (C) 1994 Free Software Foundation, Inc.
+   Contributed by Doug Evans, dje@cygnus.com.
+
+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.  */
+
+/* This is a v9 only compiler.  -mv8 is not expected to work.  If you want
+   a v8/v9 compiler, this isn't the place to do it.  */
+/* ??? Until real v9 machines exist, all of this is subject to change.  */
+/* ??? This file should really be called sp64-sol2.h or some such but that
+   would be a bit misleading since no such machines exist yet.  The current
+   name is also misleading since the term "elf" is more properly applied to
+   embedded configurations.  */
+
+#define SPARCV9 /* See sparc.h.  */
+
+/* ??? We're taking the scheme of including another file and then overriding
+   the values we don't like a bit too far here.  The alternative is to more or
+   less duplicate all of svr4.h, sparc/sysv4.h, and sparc/sol2.h here
+   (suitably cleaned up).  Until real sparc64 machines exist, it's not clear
+   which is better.  */
+
+#include "sparc/sol2.h"
+
+/* A v9 compiler with stack-bias, 32 bit integers and 64 bit pointers,
+   in a Medium/Anywhere code model environment.  */
+
+#undef TARGET_DEFAULT
+#define TARGET_DEFAULT \
+  (MASK_V9 + MASK_STACK_BIAS + MASK_MEDANY + MASK_PTR64 + MASK_HARD_QUAD + MASK_EPILOGUE + MASK_FPU)
+
+#undef CPP_PREDEFINES
+#define CPP_PREDEFINES \
+ "-Dsun -Dsparc -Dunix -D__svr4__ -D__sparc_v9__ \
+  -Asystem(unix) -Asystem(svr4) -Acpu(sparc64) -Amachine(sparc64)"
+
+#undef CPP_SPEC
+#define CPP_SPEC "\
+%{mint64:-D__INT_MAX__=9223372036854775807LL -D__LONG_MAX__=9223372036854775807LL} \
+%{mlong64:-D__LONG_MAX__=9223372036854775807LL} \
+"
+
+#undef MD_EXEC_PREFIX
+#undef MD_STARTFILE_PREFIX
+
+/* Use the default (for now).  */
+#undef STARTFILE_SPEC
+
+/* Use the default (for now).  */
+#undef LIB_SPEC
+
+/* This is taken from sol2.h.  */
+#undef LINK_SPEC
+#define LINK_SPEC "\
+%{!nostdlib:%{!r*:%{!e*:-e _start}}}
+%{h*} %{V} %{v:%{!V:-V}} \
+%{b} %{Wl,*:%*} \
+%{static:-dn -Bstatic} \
+%{shared:-G -dy} \
+%{symbolic:-Bsymbolic -G -dy} \
+%{G:-G} \
+%{YP,*} \
+%{R*} \
+%{Qy:} %{!Qn:-Qy} \
+"
+
+/* Unfortunately, svr4.h redefines these so we have to restore them to
+   their original values in sparc.h.  */
+/* ??? It might be possible to eventually get svr4.h to do the right thing.  */
+
+#undef PTRDIFF_TYPE
+#define PTRDIFF_TYPE \
+  (POINTER_SIZE == 64 ? "long long int"				\
+   : POINTER_SIZE == 32 && LONG_TYPE_SIZE == 32 ? "long"	\
+   : 0 /*abort*/)
+
+#undef SIZE_TYPE
+#define SIZE_TYPE \
+  (POINTER_SIZE == 64 ? "long long unsigned int"		\
+   : POINTER_SIZE == 32 && LONG_TYPE_SIZE == 32 ? "long unsigned int" \
+   : 0 /*abort*/)
+
+/* ??? This should be 32 bits for v9 but what can we do?  */
+#undef WCHAR_TYPE
+#define WCHAR_TYPE "short unsigned int"
+
+#undef WCHAR_TYPE_SIZE
+#define WCHAR_TYPE_SIZE 16
+
+/* ??? Disabled for v9 as the current implementation of the Medium/Anywhere
+   code model needs this in the data segment (still true?).  Let's hope the
+   assembler is fixed.  */
+#undef JUMP_TABLES_IN_TEXT_SECTION
+
+/* System V Release 4 uses DWARF debugging info.
+   GDB doesn't support 64 bit stabs yet and the desired debug format is DWARF
+   anyway so it is the default.  */
+
+#define DWARF_DEBUGGING_INFO
+#define DBX_DEBUGGING_INFO
+
+#undef PREFERRED_DEBUGGING_TYPE
+#define PREFERRED_DEBUGGING_TYPE DWARF_DEBUG
+
+/* Define the names of various pseudo-ops used by the Sparc/svr4 assembler.
+   ??? If ints are 64 bits then UNALIGNED_INT_ASM_OP (defined elsewhere) is
+   misnamed.  These should all refer to explicit sizes (half/word/xword?),
+   anything other than short/int/long/etc.  */
+
+#define UNALIGNED_LONGLONG_ASM_OP	".uaxword"
+
+/* DWARF stuff.  */
+
+#define ASM_OUTPUT_DWARF_ADDR(FILE,LABEL)				\
+ do {	fprintf ((FILE), "\t%s\t", UNALIGNED_LONGLONG_ASM_OP);		\
+	assemble_name (FILE, LABEL);					\
+	fprintf (FILE, "\n");						\
+  } while (0)
+
+#define ASM_OUTPUT_DWARF_ADDR_CONST(FILE,RTX)				\
+  do {									\
+    fprintf ((FILE), "\t%s\t", UNALIGNED_LONGLONG_ASM_OP);		\
+    output_addr_const ((FILE), (RTX));					\
+    fputc ('\n', (FILE));						\
+  } while (0)
+
+/* ??? Not sure if this should be 4 or 8 bytes.  4 works for now.  */
+#define ASM_OUTPUT_DWARF_REF(FILE,LABEL)				\
+ do {	fprintf ((FILE), "\t%s\t", UNALIGNED_INT_ASM_OP);		\
+	assemble_name (FILE, LABEL);					\
+	fprintf (FILE, "\n");						\
+  } while (0)

gcc/config/sparc/t-sp64

+LIBGCC1 = libgcc1.null
+CROSS_LIBGCC1 = libgcc1.null
+