| /* Definitions of target machine for GNU compiler. |
| Motorola 88100 in an 88open ABI environment. |
| Copyright (C) 1990, 1991, 2000 Free Software Foundation, Inc. |
| |
| Written by Ron Guilmette (rfg@netcom.com). |
| Contributed to FSF by Network Computing Devices. |
| |
| Other contributions by Vince Guarna (vguarna@urbana.mcd.mot.com), |
| Ray Essick (essick@i88.isc.com), Wilson Tien (wtien@urbana.mcd.mot.com), |
| and Tom Wood (Tom_Wood@NeXT.com) |
| |
| 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. */ |
| |
| /* DWARF_DEBUGGING_INFO defined in svr4.h. */ |
| |
| #ifndef NO_BUGS |
| #define AS_BUG_DOT_LABELS |
| #define AS_BUG_POUND_TYPE |
| #endif |
| |
| #include "svr4.h" |
| #include "m88k/m88k.h" |
| |
| /* Identify the compiler. */ |
| #undef VERSION_INFO1 |
| #define VERSION_INFO1 "88open ABI" |
| |
| /* Default switches */ |
| #undef TARGET_DEFAULT |
| #define TARGET_DEFAULT (MASK_CHECK_ZERO_DIV | \ |
| MASK_OCS_DEBUG_INFO | \ |
| MASK_SVR4) |
| |
| /* Cpp spec. These pre-assertions are needed for SVR4 as they occur |
| often in the system header files. __svr4__ is our extension. */ |
| |
| #undef CPP_PREDEFINES |
| #define CPP_PREDEFINES \ |
| "-Dm88000 -Dm88k -Dunix -D__svr4__ -Amachine=m88k -Acpu=m88k -Asystem=unix -Asystem=svr4" |
| |
| /* For the AT&T SVR4 port, the function is _mcount. */ |
| #undef FUNCTION_PROFILER |
| #define FUNCTION_PROFILER(FILE, LABELNO) \ |
| output_function_profiler (FILE, LABELNO, "_mcount", 1) |
| |
| /* Override svr4.h and m88k.h. */ |
| #undef INIT_SECTION_ASM_OP |
| #define INIT_SECTION_ASM_OP "\tsection\t.init,\"xa\",#progbits" |
| #undef FINI_SECTION_ASM_OP |
| #define FINI_SECTION_ASM_OP "\tsection\t.fini,\"xa\",#progbits" |
| |
| /* Define the pseudo-ops used to switch to the .ctors and .dtors sections. |
| |
| Note that we want to give these sections the SHF_WRITE attribute |
| because these sections will actually contain data (i.e. tables of |
| addresses of functions in the current root executable or shared library |
| file) and, in the case of a shared library, the relocatable addresses |
| will have to be properly resolved/relocated (and then written into) by |
| the dynamic linker when it actually attaches the given shared library |
| to the executing process. (Note that on SVR4, you may wish to use the |
| `-z text' option to the ELF linker, when building a shared library, as |
| an additional check that you are doing everything right. But if you do |
| use the `-z text' option when building a shared library, you will get |
| errors unless the .ctors and .dtors sections are marked as writable |
| via the SHF_WRITE attribute.) */ |
| |
| #undef CTORS_SECTION_ASM_OP |
| #define CTORS_SECTION_ASM_OP "\tsection\t.ctors,\"aw\"" |
| #undef DTORS_SECTION_ASM_OP |
| #define DTORS_SECTION_ASM_OP "\tsection\t.dtors,\"aw\"" |
