| /* 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_SUBTARGET_DEFAULT |
| #define TARGET_SUBTARGET_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 "%(cpp_cpu) %{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 |
| |
| /* 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) */ |
| |
| /* Handle #pragma pack. */ |
| #define HANDLE_SYSV_PRAGMA |
