1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
/* Definitions for Intel 386 running SCO Unix System V,
using dbx-in-coff encapsulation.
Copyright (C) 1992, 1995 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, 675 Mass Ave, Cambridge, MA 02139, 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 0201
/* 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 -Di386 -DM_UNIX -DM_I386 -DM_COFF -DM_WORDSWAP -Asystem(unix) -Asystem(svr3) -Acpu(i386) -Amachine(i386)"
#undef CPP_SPEC
#define CPP_SPEC "%{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) \
(TREE_CODE (FUNTYPE) == 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
|
