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. 4 5 This file is part of GNU CC. 6 7 GNU CC 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) 10 any later version. 11 12 GNU CC 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. 16 17 You should have received a copy of the GNU General Public License 18 along with GNU CC; see the file COPYING. If not, write to 19 the Free Software Foundation, 59 Temple Place - Suite 330, 20 Boston, MA 02111-1307, USA. */ 21 22 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. */ 27 28 #undef FBSD_TARGET_CPU_CPP_BUILTINS 29 #define FBSD_TARGET_CPU_CPP_BUILTINS() \ 30 do \ 31 { \ 32 builtin_define ("__LP64__"); \ 33 if (flag_pic) \ 34 { \ 35 builtin_define ("__PIC__"); \ 36 builtin_define ("__pic__"); \ 37 } \ 38 } \ 39 while (0) 40 41 #undef CPP_SPEC 42 #define CPP_SPEC "%(cpp_subtarget) %{posix:-D_POSIX_SOURCE}" 43 44 #define LINK_SPEC "%{G*} %{relax:-relax} \ 45 %{p:%e`-p' not supported; use `-pg' and gprof(1)} \ 46 %{Wl,*:%*} \ 47 %{assert*} %{R*} %{rpath*} %{defsym*} \ 48 %{shared:-Bshareable %{h*} %{soname*}} \ 49 %{symbolic:-Bsymbolic} \ 50 %{!shared: \ 51 %{!static: \ 52 %{rdynamic:-export-dynamic} \ 53 %{!dynamic-linker:-dynamic-linker /usr/libexec/ld-elf.so.1}} \ 54 %{static:-Bstatic}}" 55 56 57 /************************[ Target stuff ]***********************************/ 58 59 /* Define the actual types of some ANSI-mandated types. 60 Needs to agree with <machine/ansi.h>. GCC defaults come from c-decl.c, 61 c-common.c, and config/<arch>/<arch>.h. */ 62 63 /* alpha.h gets this wrong for FreeBSD. We use the GCC defaults instead. */ 64 #undef WCHAR_TYPE 65 66 #undef WCHAR_TYPE_SIZE 67 #define WCHAR_TYPE_SIZE 32 68 69 #undef TARGET_VERSION 70 #define TARGET_VERSION fprintf (stderr, " (FreeBSD/alpha ELF)"); 71 72 #define TARGET_ELF 1 73 74 #undef TARGET_DEFAULT 75 #define TARGET_DEFAULT (MASK_FP | MASK_FPREGS | MASK_GAS) 76 77 #undef HAS_INIT_SECTION 78 79 /* Show that we need a GP when profiling. */ 80 #undef TARGET_PROFILING_NEEDS_GP 81 #define TARGET_PROFILING_NEEDS_GP 1 82 83 /* This is the char to use for continuation (in case we need to turn 84 continuation back on). */ 85 86 #undef DBX_CONTIN_CHAR 87 #define DBX_CONTIN_CHAR '?' 88 89 /* Don't default to pcc-struct-return, we want to retain compatibility with 90 older FreeBSD releases AND pcc-struct-return may not be reentrant. */ 91 92 #undef DEFAULT_PCC_STRUCT_RETURN 93 #define DEFAULT_PCC_STRUCT_RETURN 0 94