/* Definitions for Intel 386 running SCO Unix System V, using dbx-in-coff encapsulation. Copyright (C) 1992, 1995, 1996, 1999 Free Software Foundation, Inc. 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. */ #include "i386/svr3dbx.h" /* Overridden defines for SCO systems from sco.h. */ /* By default, target has a 80387, uses IEEE compatible arithmetic, and returns float values in the 387, ie, (TARGET_80387 | TARGET_FLOAT_RETURNS_IN_80387) SCO's software emulation of a 387 fails to handle the `fucomp' opcode. fucomp is only used when generating IEEE compliant code. So don't make TARGET_IEEE_FP default for SCO. */ #undef TARGET_DEFAULT #define TARGET_DEFAULT (MASK_80387 | MASK_FLOAT_RETURNS) /* Use crt1.o as a startup file and crtn.o as a closing file. */ #undef STARTFILE_SPEC #define STARTFILE_SPEC \ "%{!r:%{!z:svr3.ifile%s}%{z:svr3z.ifile%s}}\ %{pg:gcrt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}}" /* Library spec, including SCO international language support. */ #undef LIB_SPEC #define LIB_SPEC \ "%{p:-L/usr/lib/libp}%{pg:-L/usr/lib/libp} %{scointl:libintl.a%s} -lc" /* Specify predefined symbols in preprocessor. */ #undef CPP_PREDEFINES #define CPP_PREDEFINES "-Dunix -DM_UNIX -DM_I386 -DM_COFF -DM_WORDSWAP -Asystem(svr3)" #undef CPP_SPEC #define CPP_SPEC " -Acpu(i386) -Amachine(i386) %{scointl:-DM_INTERNAT}" /* This spec is used for telling cpp whether char is signed or not. */ #undef SIGNED_CHAR_SPEC #if DEFAULT_SIGNED_CHAR #define SIGNED_CHAR_SPEC \ "%{funsigned-char:-D__CHAR_UNSIGNED__ -D_CHAR_UNSIGNED}" #else #define SIGNED_CHAR_SPEC \ "%{!fsigned-char:-D__CHAR_UNSIGNED__ -D_CHAR_UNSIGNED}" #endif /* Use atexit for static destructors, instead of defining our own exit function. */ #define HAVE_ATEXIT /* caller has to pop the extra argument passed to functions that return structures. */ #undef RETURN_POPS_ARGS #define RETURN_POPS_ARGS(FUNDECL,FUNTYPE,SIZE) \ ((FUNDECL) && TREE_CODE (FUNDECL) == IDENTIFIER_NODE ? 0 \ : (TARGET_RTD \ && (TYPE_ARG_TYPES (FUNTYPE) == 0 \ || (TREE_VALUE (tree_last (TYPE_ARG_TYPES (FUNTYPE))) \ == void_type_node))) ? (SIZE) \ : 0) /* On other 386 systems, the last line looks like this: : (aggregate_value_p (TREE_TYPE (FUNTYPE))) ? GET_MODE_SIZE (Pmode) : 0) */ /* Use periods rather than dollar signs in special g++ assembler names. */ #define NO_DOLLAR_IN_LABEL /* Handle #pragma pack. */ #define HANDLE_SYSV_PRAGMA