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1.1 root 1: /* Definitions of target machine for GNU compiler.
2: Motorola m88100 running DG/UX.
3: Copyright (C) 1988, 1989, 1990, 1991 Free Software Foundation, Inc.
4: Contributed by Michael Tiemann ([email protected])
5: Enhanced by Michael Meissner ([email protected])
6: Currently supported by Tom Wood ([email protected])
7:
8: This file is part of GNU CC.
9:
10: GNU CC is free software; you can redistribute it and/or modify
11: it under the terms of the GNU General Public License as published by
12: the Free Software Foundation; either version 2, or (at your option)
13: any later version.
14:
15: GNU CC is distributed in the hope that it will be useful,
16: but WITHOUT ANY WARRANTY; without even the implied warranty of
17: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: GNU General Public License for more details.
19:
20: You should have received a copy of the GNU General Public License
21: along with GNU CC; see the file COPYING. If not, write to
22: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
23:
24: /* You're not seeing double! To transition to dwarf debugging, both are
25: supported. The option -msvr4 and -mversion-03.00 specify (for DG/UX)
26: `real' elf. With these combinations, -g means dwarf. */
27: /* DWARF_DEBUGGING_INFO defined in svr4.h. */
28: #define SDB_DEBUGGING_INFO
29: #define PREFERRED_DEBUGGING_TYPE \
30: (VERSION_0300_SYNTAX ? DWARF_DEBUG : SDB_DEBUG)
31:
32: #ifndef NO_BUGS
33: #define AS_BUG_IMMEDIATE_LABEL
34: #endif
35:
36: #include "svr4.h"
37: #include "m88k.h"
38:
39: /* Augment TARGET_SWITCHES with the MXDB options. */
40: #define MASK_STANDARD 0x40000000 /* Retain standard information */
41: #define MASK_LEGEND 0x20000000 /* Retain legend information */
42: #define MASK_EXTERNAL_LEGEND 0x10000000 /* Make external legends */
43:
44: #define TARGET_STANDARD (target_flags & MASK_STANDARD)
45: #define TARGET_LEGEND (target_flags & MASK_LEGEND)
46: #define TARGET_EXTERNAL_LEGEND (target_flags & MASK_EXTERNAL_LEGEND)
47:
48: #undef SUBTARGET_SWITCHES
49: #define SUBTARGET_SWITCHES \
50: { "standard", MASK_STANDARD }, \
51: { "legend", MASK_LEGEND }, \
52: { "external-legend", MASK_EXTERNAL_LEGEND }, \
53: /* the following is used only in the *_SPEC's */ \
54: { "keep-coff", 0 },
55:
56: /* Default switches */
57: #undef TARGET_DEFAULT
58: #define TARGET_DEFAULT (MASK_CHECK_ZERO_DIV | \
59: MASK_OCS_DEBUG_INFO | \
60: MASK_OCS_FRAME_POSITION)
61:
62: /* Macros to be automatically defined. __svr4__ is our extension.
63: __CLASSIFY_TYPE__ is used in the <varargs.h> and <stdarg.h> header
64: files with DG/UX revision 5.40 and later. This allows GNU CC to
65: operate without installing the header files. */
66:
67: #undef CPP_PREDEFINES
68: #define CPP_PREDEFINES "-Dm88000 -Dm88k -Dunix -DDGUX -D__CLASSIFY_TYPE__=2\
69: -D__svr4__ -Asystem(unix) -Acpu(m88k) -Amachine(m88k)"
70:
71: /* If not -ansi, -traditional, or restricting include files to one
72: specific source target, specify full DG/UX features. */
73: #undef CPP_SPEC
74: #define CPP_SPEC "%{!ansi:%{!traditional:-D__OPEN_NAMESPACE__}}"
75:
76: /* Assembler support (-V, silicon filter, legends for mxdb). */
77: #undef ASM_SPEC
78: #define ASM_SPEC "\
79: %{V} %{v:%{!V:-V}} %{pipe: - %{msvr4:%{mversion-03.00:-KV3}}}\
80: %{!mlegend:%{mstandard:-Wc,off}}\
81: %{mlegend:-Wc,-fix-bb,-h\"gcc-1.96.5\",-s\"%i\"\
82: %{traditional:,-lc}%{!traditional:,-lansi-c}\
83: %{mstandard:,-keep-std}\
84: %{mkeep-coff:,-keep-coff}\
85: %{mexternal-legend:,-external}\
86: %{mocs-frame-position:,-ocs}}"
87:
88: /* Override svr4.h. */
89: #undef ASM_FINAL_SPEC
90: #undef STARTFILE_SPEC
91:
92: /* Linker and library spec's.
93: -static, -shared, -symbolic, -h* and -z* access AT&T V.4 link options.
94: -svr4 instructs gcc to place /usr/lib/values-X[cat].o on link the line.
95: When the -G link option is used (-shared and -symbolic) a final link is
96: not being done. */
97: #undef LIB_SPEC
98: #define LIB_SPEC "%{!shared:%{!symbolic:-lc}}"
99: #undef LINK_SPEC
100: #define LINK_SPEC "%{z*} %{h*} %{V} %{v:%{!V:-V}} \
101: %{static:-dn -Bstatic} \
102: %{shared:-G -dy} \
103: %{symbolic:-Bsymbolic -G -dy} \
104: %{pg:-L/usr/lib/libp}%{p:-L/usr/lib/libp}"
105: #undef STARTFILE_SPEC
106: #define STARTFILE_SPEC "%{!shared:%{!symbolic:%{pg:gcrt0.o%s} \
107: %{!pg:%{p:/lib/mcrt0.o}%{!p:/lib/crt0.o}} \
108: %{svr4:%{ansi:/lib/values-Xc.o} \
109: %{!ansi:%{traditional:/lib/values-Xt.o} \
110: %{!traditional:/usr/lib/values-Xa.o}}}}}"
111:
112: #undef GPLUSPLUS_INCLUDE_DIR
113: #define GPLUSPLUS_INCLUDE_DIR "/usr/opt/g++/lib/g++-include"
114:
115: /* Fast DG/UX version of profiler that does not require lots of
116: registers to be stored. */
117: #undef FUNCTION_PROFILER
118: #define FUNCTION_PROFILER(FILE, LABELNO) \
119: output_function_profiler (FILE, LABELNO, "gcc.mcount", 0)
120:
121: /* DGUX V.4 isn't quite ELF--yet. */
122: #undef VERSION_0300_SYNTAX
123: #define VERSION_0300_SYNTAX (TARGET_SVR4 && TARGET_VERSION_0300)
124:
125: /* Output the legend info for mxdb when debugging except if standard
126: debugging information only is explicitly requested. */
127: #undef ASM_FIRST_LINE
128: #define ASM_FIRST_LINE(FILE) \
129: do { \
130: if (VERSION_0300_SYNTAX) \
131: fprintf (FILE, "%s\t \"03.00\"\n", VERSION_ASM_OP); \
132: if (write_symbols != NO_DEBUG \
133: && ! (TARGET_STANDARD && ! TARGET_LEGEND)) \
134: { \
135: fprintf (FILE, ";legend_info -fix-bb -h\"gcc-%s\" -s\"%s\"", \
136: VERSION_STRING, main_input_filename); \
137: fputs (flag_traditional ? " -lc" : " -lansi-c", FILE); \
138: if (TARGET_STANDARD) \
139: fputs (" -keep-std", FILE); \
140: if (TARGET_EXTERNAL_LEGEND) \
141: fputs (" -external", FILE); \
142: if (TARGET_OCS_FRAME_POSITION) \
143: fputs (" -ocs", FILE); \
144: fputc ('\n', FILE); \
145: } \
146: } while (0)
147:
148: /* Override svr4.h. */
149: #undef PTRDIFF_TYPE
150: #undef WCHAR_TYPE
151: #undef WCHAR_TYPE_SIZE
152:
153: /* Override svr4.h and m88k.h except when compling crtstuff.c. */
154: #if !defined (CRT_BEGIN) && !defined (CRT_END)
155: #if 0 /* The SVR4 init method doesn't yet work. */
156: #undef INIT_SECTION_ASM_OP
157: #define INIT_SECTION_ASM_OP (VERSION_0300_SYNTAX \
158: ? "\tsection\t .init,\"xa\"\n" \
159: : "\tsection\t .init,\"x\"\n")
160: #endif
161: #undef CTORS_SECTION_ASM_OP
162: #define CTORS_SECTION_ASM_OP (VERSION_0300_SYNTAX \
163: ? "\tsection\t .ctors,\"aw\"\n" \
164: : "\tsection\t .ctors,\"d\"\n")
165: #undef DTORS_SECTION_ASM_OP
166: #define DTORS_SECTION_ASM_OP (VERSION_0300_SYNTAX \
167: ? "\tsection\t .dtors,\"aw\"\n" \
168: : "\tsection\t .dtors,\"d\"\n")
169: #endif /* crtstuff.c */
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