1 /* Definitions for DEC Alpha/AXP running FreeBSD using the ELF format
2 Copyright (C) 2000, 2002 Free Software Foundation, Inc.
3 Contributed by David E. O'Brien <obrien@FreeBSD.org> and BSDi.
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GCC is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING. If not, write to
19 the Free Software Foundation, 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
23 /* Provide a FBSD_TARGET_CPU_CPP_BUILTINS and CPP_SPEC appropriate for
24 FreeBSD/alpha. Besides the dealing with
25 the GCC option `-posix', and PIC issues as on all FreeBSD platforms, we must
26 deal with the Alpha's FP issues. */
28 #undef FBSD_TARGET_CPU_CPP_BUILTINS
29 #define FBSD_TARGET_CPU_CPP_BUILTINS() \
34 builtin_define ("__PIC__"); \
35 builtin_define ("__pic__"); \
41 #define CPP_SPEC "%(cpp_subtarget) %{posix:-D_POSIX_SOURCE}"
43 #define LINK_SPEC "%{G*} %{relax:-relax} \
44 %{p:%nconsider using `-pg' instead of `-p' with gprof(1)} \
46 %{assert*} %{R*} %{rpath*} %{defsym*} \
47 %{shared:-Bshareable %{h*} %{soname*}} \
48 %{symbolic:-Bsymbolic} \
51 %{rdynamic:-export-dynamic} \
52 %{!dynamic-linker:-dynamic-linker /usr/libexec/ld-elf.so.1}} \
56 /************************[ Target stuff ]***********************************/
58 /* Define the actual types of some ANSI-mandated types.
59 Needs to agree with <machine/ansi.h>. GCC defaults come from c-decl.c,
60 c-common.c, and config/<arch>/<arch>.h. */
62 /* alpha.h gets this wrong for FreeBSD. We use the GCC defaults instead. */
65 #undef WCHAR_TYPE_SIZE
66 #define WCHAR_TYPE_SIZE 32
69 #define TARGET_VERSION fprintf (stderr, " (FreeBSD/alpha ELF)");
74 #define TARGET_DEFAULT (MASK_FP | MASK_FPREGS | MASK_GAS)
76 #undef HAS_INIT_SECTION
78 /* Show that we need a GP when profiling. */
79 #undef TARGET_PROFILING_NEEDS_GP
80 #define TARGET_PROFILING_NEEDS_GP 1
82 /* This is the char to use for continuation (in case we need to turn
83 continuation back on). */
85 #undef DBX_CONTIN_CHAR
86 #define DBX_CONTIN_CHAR '?'
88 /* Don't default to pcc-struct-return, we want to retain compatibility with
89 older FreeBSD releases AND pcc-struct-return may not be reentrant. */
91 #undef DEFAULT_PCC_STRUCT_RETURN
92 #define DEFAULT_PCC_STRUCT_RETURN 0