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1.1 root 1: /* Definitions of target machine for GNU compiler. Sun 2 running Sunos 4.
2: Copyright (C) 1987, 1988 Free Software Foundation, Inc.
3:
4: This file is part of GNU CC.
5:
6: GNU CC is free software; you can redistribute it and/or modify
7: it under the terms of the GNU General Public License as published by
8: the Free Software Foundation; either version 2, or (at your option)
9: any later version.
10:
11: GNU CC is distributed in the hope that it will be useful,
12: but WITHOUT ANY WARRANTY; without even the implied warranty of
13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14: GNU General Public License for more details.
15:
16: You should have received a copy of the GNU General Public License
17: along with GNU CC; see the file COPYING. If not, write to
18: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
19:
20: #include "sun2.h"
21:
22:
23: /* Define __HAVE_SKY__ in preprocessor, according to the -m flags.
24: Also inform the program which CPU this is for. */
25:
26: #undef CPP_SPEC
27:
28: #undef PTRDIFF_TYPE
29: #define PTRDIFF_TYPE "int"
30: #undef SIZE_TYPE
31: #define SIZE_TYPE "int"
32: #undef WCHAR_TYPE
33: #define WCHAR_TYPE "short unsigned int"
34: #undef WCHAR_TYPE_SIZE
35: #define WCHAR_TYPE_SIZE 16
36:
37: #if TARGET_DEFAULT & 0200
38:
39: /* -msky is the default */
40: #define CPP_SPEC \
41: "%{!msoft-float:-D__HAVE_SKY__}\
42: %{!ansi:%{m68020:-Dmc68020}%{mc68020:-Dmc68020}%{!mc68020:%{!m68020:-Dmc68010}}}"
43:
44: #else
45:
46: /* -msoft-float is the default */
47: #define CPP_SPEC \
48: "%{msky:-D__HAVE_SKY__ }\
49: %{!ansi:%{m68020:-Dmc68020}%{mc68020:-Dmc68020}%{!mc68020:%{!m68020:-Dmc68010}}}"
50:
51: #endif
52:
53: /* STARTFILE_SPEC to include sun floating point initialization
54: This is necessary (tr: Sun does it) for the sky routines.
55: I'm not sure what would happen below if people gave contradictory
56: arguments (eg. -msoft-float -mfpa) */
57:
58: #undef STARTFILE_SPEC
59:
60: #if TARGET_DEFAULT & 0200
61: /* -msky is the default */
62: #define STARTFILE_SPEC \
63: "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}} \
64: %{msoft-float:Fcrt1.o%s} \
65: %{!msoft-float:Scrt1.o%s}"
66: #else
67: /* -msoft-float is the default */
68: #define STARTFILE_SPEC \
69: "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}} \
70: %{msky:Scrt1.o%s} \
71: %{!msky:Fcrt1.o%s}"
72: #endif
73:
74: /* Specify library to handle `-a' basic block profiling.
75: Control choice of libm.a (if user says -lm)
76: based on fp arith default and options. */
77:
78: #undef LIB_SPEC
79:
80: #if TARGET_DEFAULT & 0200
81: /* -msky is the default */
82: #define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} \
83: %{a:/usr/lib/bb_link.o -lc} %{g:-lg} \
84: %{msoft-float:-L/usr/lib/fsoft} \
85: %{!msoft_float:-L/usr/lib/fsky}"
86: #else
87: /* -msoft-float is the default */
88: #define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} \
89: %{a:/usr/lib/bb_link.o -lc} %{g:-lg} \
90: %{!msky:-L/usr/lib/fsoft} \
91: %{msky:-L/usr/lib/ffpa}"
92: #endif
93:
94: #undef LINK_SPEC
1.1.1.3 ! root 95: #define LINK_SPEC \
! 96: "%{!nostdlib:%{!r*:%{!e*:-e start}}} -dc -dp %{static:-Bstatic}"
1.1 root 97:
98: #undef ASM_OUTPUT_DOUBLE
99: #define ASM_OUTPUT_DOUBLE(FILE,VALUE) \
100: (REAL_VALUE_ISINF ((VALUE)) \
101: ? fprintf (FILE, "\t.double 0r%s99e999\n", ((VALUE) > 0 ? "" : "-")) \
102: : REAL_VALUE_MINUS_ZERO ((VALUE)) \
103: ? fprintf (FILE, "\t.long 0x80000000,0\n") \
104: : fprintf (FILE, "\t.double 0r%.20e\n", (VALUE)))
105:
106: /* This is how to output an assembler line defining a `float' constant. */
107:
108: #undef ASM_OUTPUT_FLOAT
109: #define ASM_OUTPUT_FLOAT(FILE,VALUE) \
110: (REAL_VALUE_ISINF ((VALUE)) \
111: ? fprintf (FILE, "\t.single 0r%s99e999\n", ((VALUE) > 0 ? "" : "-")) \
112: : REAL_VALUE_MINUS_ZERO ((VALUE)) \
113: ? fprintf (FILE, "\t.long 0x80000000\n") \
114: : fprintf (FILE, "\t.single 0r%.20e\n", (VALUE)))
115:
116: #undef ASM_OUTPUT_FLOAT_OPERAND
117: #define ASM_OUTPUT_FLOAT_OPERAND(FILE,VALUE) \
118: (REAL_VALUE_ISINF ((VALUE)) \
119: ? fprintf (FILE, "#0r%s99e999", ((VALUE) > 0 ? "" : "-")) \
120: : REAL_VALUE_MINUS_ZERO ((VALUE)) \
121: ? fprintf (FILE, "#0r-0.0") \
122: : fprintf (FILE, "#0r%.9g", (VALUE)))
123:
124: #undef ASM_OUTPUT_DOUBLE_OPERAND
125: #define ASM_OUTPUT_DOUBLE_OPERAND(FILE,VALUE) \
126: (REAL_VALUE_ISINF ((VALUE)) \
127: ? fprintf (FILE, "#0r%s99e999", ((VALUE) > 0 ? "" : "-")) \
128: : REAL_VALUE_MINUS_ZERO ((VALUE)) \
129: ? fprintf (FILE, "#0r-0.0") \
130: : fprintf (FILE, "#0r%.20g", (VALUE)))
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