/* Definitions for DEC Alpha/AXP running FreeBSD using the ELF format
- Copyright (C) 2000 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2002, 2004 Free Software Foundation, Inc.
Contributed by David E. O'Brien <obrien@FreeBSD.org> and BSDi.
-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)
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, 675 Mass Ave, Cambridge, MA 02139, USA. */
+along with GCC; see the file COPYING. If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
-/* Provide a CPP_SPEC appropriate for FreeBSD/alpha. Besides the dealing with
+#undef SUBTARGET_EXTRA_SPECS
+#define SUBTARGET_EXTRA_SPECS \
+ { "fbsd_dynamic_linker", FBSD_DYNAMIC_LINKER }
+
+/* Provide a FBSD_TARGET_CPU_CPP_BUILTINS and CPP_SPEC appropriate for
+ FreeBSD/alpha. Besides the dealing with
the GCC option `-posix', and PIC issues as on all FreeBSD platforms, we must
deal with the Alpha's FP issues. */
+#undef FBSD_TARGET_CPU_CPP_BUILTINS
+#define FBSD_TARGET_CPU_CPP_BUILTINS() \
+ do \
+ { \
+ if (flag_pic) \
+ { \
+ builtin_define ("__PIC__"); \
+ builtin_define ("__pic__"); \
+ } \
+ } \
+ while (0)
+
#undef CPP_SPEC
-#define CPP_SPEC "%(cpp_cpu) \
- %{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} \
- %{posix:-D_POSIX_SOURCE} \
- %{mieee:-D_IEEE_FP} \
- %{mieee-with-inexact:-D_IEEE_FP -D_IEEE_FP_INEXACT}"
-
-#undef LINK_SPEC
-#define LINK_SPEC "-m elf64alpha %{G*} %{relax:-relax} \
- %{p:%e`-p' not supported; use `-pg' and gprof(1)} \
+#define CPP_SPEC "%(cpp_subtarget) %{posix:-D_POSIX_SOURCE}"
+
+#define LINK_SPEC "%{G*} %{relax:-relax} \
+ %{p:%nconsider using `-pg' instead of `-p' with gprof(1)} \
%{Wl,*:%*} \
%{assert*} %{R*} %{rpath*} %{defsym*} \
%{shared:-Bshareable %{h*} %{soname*}} \
- %{symbolic:-Bsymbolic} \
%{!shared: \
%{!static: \
%{rdynamic:-export-dynamic} \
- %{!dynamic-linker:-dynamic-linker /usr/libexec/ld-elf.so.1}} \
- %{static:-Bstatic}}"
-
-/* Provide an ASM_SPEC appropriate for a FreeBSD/Alpha target. This differs
- from the generic FreeBSD ASM_SPEC in that no special handling of PIC is
- necessary on the Alpha. */
-/* Per Richard Henderson <rth@cygnus.com>, it is better to use the `.arch'
- directive in the assembly file. alpha/elf.h gives us this in
- "ASM_FILE_START".
-#undef ASM_SPEC
-#define ASM_SPEC " %| %{mcpu=*:-m%*}"
-*/
+ %{!dynamic-linker:-dynamic-linker %(fbsd_dynamic_linker) }} \
+ %{static:-Bstatic}} \
+ %{symbolic:-Bsymbolic}"
/************************[ Target stuff ]***********************************/
/* alpha.h gets this wrong for FreeBSD. We use the GCC defaults instead. */
#undef WCHAR_TYPE
-#undef WCHAR_UNSIGNED
-#define WCHAR_UNSIGNED 0
-
#undef WCHAR_TYPE_SIZE
-#define WCHAR_TYPE_SIZE 32
+#define WCHAR_TYPE_SIZE 32
#undef TARGET_VERSION
#define TARGET_VERSION fprintf (stderr, " (FreeBSD/alpha ELF)");
-#define TARGET_ELF 1
+#define TARGET_ELF 1
#undef TARGET_DEFAULT
-#define TARGET_DEFAULT (MASK_FP | MASK_FPREGS | MASK_GAS)
+#define TARGET_DEFAULT (MASK_FP | MASK_FPREGS | MASK_GAS)
#undef HAS_INIT_SECTION
-/* Output assembler code to FILE to increment profiler label # LABELNO
- for profiling a function entry. Under FreeBSD/Alpha, the assembler does
- nothing special with -pg. */
-
-#undef FUNCTION_PROFILER
-#define FUNCTION_PROFILER(FILE, LABELNO) \
- fputs ("\tjsr $28,_mcount\n", (FILE))
-
/* Show that we need a GP when profiling. */
#undef TARGET_PROFILING_NEEDS_GP
#define TARGET_PROFILING_NEEDS_GP 1
#undef DBX_CONTIN_CHAR
#define DBX_CONTIN_CHAR '?'
+
+/* Don't default to pcc-struct-return, we want to retain compatibility with
+ older FreeBSD releases AND pcc-struct-return may not be reentrant. */
+
+#undef DEFAULT_PCC_STRUCT_RETURN
+#define DEFAULT_PCC_STRUCT_RETURN 0