--- /dev/null
+/* 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
--- /dev/null
+/* 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)
projects / thirdparty / gcc.git / commitdiff
