| /* Definitions for DEC Alpha/AXP running FreeBSD using the ELF format |
| Copyright (C) 2000 Free Software Foundation, Inc. |
| Contributed by David E. O'Brien <obrien@FreeBSD.org> and BSDi. |
| |
| 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, 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| |
| /* Provide a 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 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)} \ |
| %{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%*}" |
| */ |
| |
| |
| /************************[ Target stuff ]***********************************/ |
| |
| /* Define the actual types of some ANSI-mandated types. |
| Needs to agree with <machine/ansi.h>. GCC defaults come from c-decl.c, |
| c-common.c, and config/<arch>/<arch>.h. */ |
| |
| /* 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 |
| |
| #undef TARGET_VERSION |
| #define TARGET_VERSION fprintf (stderr, " (FreeBSD/alpha ELF)"); |
| |
| #define TARGET_ELF 1 |
| |
| #undef TARGET_DEFAULT |
| #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 |
| |
| /* This is the char to use for continuation (in case we need to turn |
| continuation back on). */ |
| |
| #undef DBX_CONTIN_CHAR |
| #define DBX_CONTIN_CHAR '?' |