/* Configuration file for an m68k OpenBSD target.
- Copyright (C) 1999 Free Software Foundation, Inc.
+ Copyright (C) 1999, 2002, 2003, 2007 Free Software Foundation, Inc.
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
+GCC 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)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
-GNU CC is distributed in the hope that it will be useful,
+GCC 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. */
-
-/* m68k is an old configuration that does not yet use the TARGET_CPU_DEFAULT
- framework. */
-#define TARGET_DEFAULT (MASK_BITFIELD | MASK_68881 | MASK_68020)
-
-#include <m68k/m68k.h>
-
-/* Get generic OpenBSD definitions. */
-#define OBSD_OLD_GAS
-#include <openbsd.h>
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
+
+/* Target OS builtins. */
+#define TARGET_OS_CPP_BUILTINS() \
+ do \
+ { \
+ builtin_define ("__unix__"); \
+ builtin_define ("__OpenBSD__"); \
+ builtin_assert ("system=unix"); \
+ builtin_assert ("system=OpenBSD"); \
+ } \
+ while (0)
/* Define __HAVE_68881__ in preprocessor, unless -msoft-float is specified.
This will control the use of inline 68881 insns in certain macros. */
#undef CPP_SPEC
#define CPP_SPEC "%{!msoft-float:-D__HAVE_68881__ -D__HAVE_FPU__} %{posix:-D_POSIX_SOURCE} %{pthread:-D_POSIX_THREADS}"
-/* Run-time target specifications. */
-#define CPP_PREDEFINES "-D__unix__ -D__m68k__ -D__mc68000__ -D__mc68020__ -D__OpenBSD__ -Asystem=unix -Asystem=OpenBSD -Acpu=m68k -Amachine=m68k"
-
-/* m68k as needs to know about the processor subtype. */
#undef ASM_SPEC
-#define ASM_SPEC "%| %{m68030} %{m68040} %{m68060} %{fpic:-k} %{fPIC:-k -K}"
+#define ASM_SPEC "%(asm_cpu_spec) %{fpic|fpie:-k} %{fPIC|fPIE:-k -K}"
+
+#define AS_NEEDS_DASH_FOR_PIPED_INPUT
/* Layout of source language data types. */
/* Specific options for DBX Output. */
/* This is BSD, so it wants DBX format. */
-#define DBX_DEBUGGING_INFO
+#define DBX_DEBUGGING_INFO 1
/* Do not break .stabs pseudos into continuations. */
#define DBX_CONTIN_LENGTH 0
/* Stack & calling: aggregate returns. */
+/* ??? This is traditional, but quite possibly wrong. It appears to
+ disagree with gdb. */
+#define PCC_STATIC_STRUCT_RETURN 1
+
/* Don't default to pcc-struct-return, because gcc is the only compiler, and
we want to retain compatibility with older gcc versions. */
#define DEFAULT_PCC_STRUCT_RETURN 0
/* Assembler format: exception region output. */
/* All configurations that don't use elf must be explicit about not using
- dwarf unwind information. egcs doesn't try too hard to check internal
- configuration files... */
+ dwarf unwind information. */
#define DWARF2_UNWIND_INFO 0
-
-
-/* TODO: ASM_OUTPUT_MI_THUNK is busted. I need to figure out
- what bra func@PLTPC means under linux, and find the corresponding
- construction for our gas/pic setup. */
-#if 0
-/* Taken from linux.h. Processor dependent optimized code to handle C++
- multiple inheritance vtable lookup. */
-
-/* Output code to add DELTA to the first argument, and then jump to FUNCTION.
- Used for C++ multiple inheritance. */
-#define ASM_OUTPUT_MI_THUNK(FILE, THUNK_FNDECL, DELTA, FUNCTION) \
-do { \
- if (DELTA > 0 && DELTA <= 8) \
- asm_fprintf (FILE, "\taddq.l %I%d,4(%Rsp)\n", DELTA); \
- else if (DELTA < 0 && DELTA >= -8) \
- asm_fprintf (FILE, "\tsubq.l %I%d,4(%Rsp)\n", -DELTA); \
- else \
- asm_fprintf (FILE, "\tadd.l %I%d,4(%Rsp)\n", DELTA); \
- \
- if (flag_pic) \
- { \
- fprintf (FILE, "\tbra.l "); \
- assemble_name (FILE, XSTR (XEXP (DECL_RTL (FUNCTION), 0), 0)); \
- fprintf (FILE, "@PLTPC\n"); \
- } \
- else \
- { \
- fprintf (FILE, "\tjmp "); \
- assemble_name (FILE, XSTR (XEXP (DECL_RTL (FUNCTION), 0), 0)); \
- fprintf (FILE, "\n"); \
- } \
-} while (0)
-#endif
-