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1.1 root 1: /* Definitions for Intel 386 running SunOS 4.0.
2: Copyright (C) 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:
21: #include "i386/i386.h"
22:
23: /* Use the Sun assembler syntax. */
24:
25: #include "i386/sun386.h"
26:
27: /* Use crt0.o as a startup file. */
28:
29: #define STARTFILE_SPEC \
30: "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}"
31:
32: #define LIB_SPEC "%{g:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} \
33: %{g:-lg} %{sun386:}"
34: /* That last item is just to prevent a spurious error. */
35:
36: #undef LINK_SPEC
37: #define LINK_SPEC \
38: "%{!nostdlib:%{!r*:%{!e*:-e _start}}} -dc -dp %{static:-Bstatic}"
39:
40: /* Extra switches to give the assembler. */
41:
42: #define ASM_SPEC "-i386"
43:
44: /* Specify predefined symbols in preprocessor. */
45:
46: #define CPP_PREDEFINES "-Dunix -Di386 -Dsun386 -Dsun -Asystem(unix) -Asystem(bsd) -Acpu(i386) -Amachine(i386)"
47:
48: /* Allow #sccs in preprocessor. */
49:
50: #define SCCS_DIRECTIVE
51:
52: /* Output #ident as a .ident. */
53:
54: #define ASM_OUTPUT_IDENT(FILE, NAME) fprintf (FILE, "\t.ident \"%s\"\n", NAME);
55:
56: /* We don't want to output SDB debugging information. */
57:
58: #undef SDB_DEBUGGING_INFO
59:
60: /* We want to output DBX debugging information. */
61:
62: #define DBX_DEBUGGING_INFO
63:
64: /* Implicit library calls should use memcpy, not bcopy, etc. */
65:
66: #define TARGET_MEM_FUNCTIONS
67:
68: /* Force structure alignment to the type used for a bitfield. */
69:
70: #define PCC_BITFIELD_TYPE_MATTERS 1
71:
72: /* This is partly guess. */
73:
74: #undef DBX_REGISTER_NUMBER
75: #define DBX_REGISTER_NUMBER(n) \
76: ((n) == 0 ? 11 : (n) == 1 ? 9 : (n) == 2 ? 10 : (n) == 3 ? 8 \
77: : (n) == 4 ? 5 : (n) == 5 ? 4 : (n) == 6 ? 6 : (n))
78:
79: /* Every debugger symbol must be in the text section.
80: Otherwise the assembler or the linker screws up. */
81:
82: #define DEBUG_SYMS_TEXT
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