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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 \
1.1.1.3 ! root 30: (GET_VERSION_0300_SYNTAX ? DWARF_DEBUG : SDB_DEBUG)
1.1 root 31:
32: #ifndef NO_BUGS
33: #define AS_BUG_IMMEDIATE_LABEL
1.1.1.3 ! root 34: /* The DG/UX 4.30 assembler doesn't accept the symbol `fcr63'. */
! 35: #define AS_BUG_FLDCR
1.1 root 36: #endif
37:
38: #include "svr4.h"
39: #include "m88k.h"
40:
41: /* Augment TARGET_SWITCHES with the MXDB options. */
42: #define MASK_STANDARD 0x40000000 /* Retain standard information */
43: #define MASK_LEGEND 0x20000000 /* Retain legend information */
44: #define MASK_EXTERNAL_LEGEND 0x10000000 /* Make external legends */
45:
46: #define TARGET_STANDARD (target_flags & MASK_STANDARD)
47: #define TARGET_LEGEND (target_flags & MASK_LEGEND)
48: #define TARGET_EXTERNAL_LEGEND (target_flags & MASK_EXTERNAL_LEGEND)
49:
50: #undef SUBTARGET_SWITCHES
51: #define SUBTARGET_SWITCHES \
52: { "standard", MASK_STANDARD }, \
53: { "legend", MASK_LEGEND }, \
54: { "external-legend", MASK_EXTERNAL_LEGEND }, \
55: /* the following is used only in the *_SPEC's */ \
56: { "keep-coff", 0 },
57:
58: /* Default switches */
59: #undef TARGET_DEFAULT
60: #define TARGET_DEFAULT (MASK_CHECK_ZERO_DIV | \
61: MASK_OCS_DEBUG_INFO | \
62: MASK_OCS_FRAME_POSITION)
1.1.1.3 ! root 63: #undef CPU_DEFAULT
! 64: #define CPU_DEFAULT MASK_88000
1.1 root 65:
66: /* Macros to be automatically defined. __svr4__ is our extension.
67: __CLASSIFY_TYPE__ is used in the <varargs.h> and <stdarg.h> header
68: files with DG/UX revision 5.40 and later. This allows GNU CC to
69: operate without installing the header files. */
70:
71: #undef CPP_PREDEFINES
72: #define CPP_PREDEFINES "-Dm88000 -Dm88k -Dunix -DDGUX -D__CLASSIFY_TYPE__=2\
73: -D__svr4__ -Asystem(unix) -Acpu(m88k) -Amachine(m88k)"
74:
1.1.1.3 ! root 75: /* If -m88100 is in effect, add -Dm88100; similarly for -m88110.
! 76: Here, the CPU_DEFAULT is assumed to be -m88000. If not -ansi,
! 77: -traditional, or restricting include files to one specific source
! 78: target, specify full DG/UX features. */
1.1 root 79: #undef CPP_SPEC
1.1.1.3 ! root 80: #define CPP_SPEC "%{!m88000:%{!m88100:%{m88110:-D__m88110__}}} \
! 81: %{!m88000:%{!m88110:%{m88100:-D__m88100__}}} \
! 82: %{!ansi:%{!traditional:-D__OPEN_NAMESPACE__}}"
1.1 root 83:
84: /* Assembler support (-V, silicon filter, legends for mxdb). */
85: #undef ASM_SPEC
86: #define ASM_SPEC "\
87: %{V} %{v:%{!V:-V}} %{pipe: - %{msvr4:%{mversion-03.00:-KV3}}}\
88: %{!mlegend:%{mstandard:-Wc,off}}\
1.1.1.3 ! root 89: %{mlegend:-Wc,-fix-bb,-h\"gcc-2.2.14\",-s\"%i\"\
1.1 root 90: %{traditional:,-lc}%{!traditional:,-lansi-c}\
91: %{mstandard:,-keep-std}\
92: %{mkeep-coff:,-keep-coff}\
93: %{mexternal-legend:,-external}\
94: %{mocs-frame-position:,-ocs}}"
95:
96: /* Override svr4.h. */
97: #undef ASM_FINAL_SPEC
98: #undef STARTFILE_SPEC
99:
100: /* Linker and library spec's.
101: -static, -shared, -symbolic, -h* and -z* access AT&T V.4 link options.
102: -svr4 instructs gcc to place /usr/lib/values-X[cat].o on link the line.
103: When the -G link option is used (-shared and -symbolic) a final link is
104: not being done. */
105: #undef LIB_SPEC
106: #define LIB_SPEC "%{!shared:%{!symbolic:-lc}}"
107: #undef LINK_SPEC
108: #define LINK_SPEC "%{z*} %{h*} %{V} %{v:%{!V:-V}} \
109: %{static:-dn -Bstatic} \
110: %{shared:-G -dy} \
111: %{symbolic:-Bsymbolic -G -dy} \
112: %{pg:-L/usr/lib/libp}%{p:-L/usr/lib/libp}"
113: #undef STARTFILE_SPEC
114: #define STARTFILE_SPEC "%{!shared:%{!symbolic:%{pg:gcrt0.o%s} \
115: %{!pg:%{p:/lib/mcrt0.o}%{!p:/lib/crt0.o}} \
116: %{svr4:%{ansi:/lib/values-Xc.o} \
117: %{!ansi:%{traditional:/lib/values-Xt.o} \
118: %{!traditional:/usr/lib/values-Xa.o}}}}}"
119:
120: #undef GPLUSPLUS_INCLUDE_DIR
121: #define GPLUSPLUS_INCLUDE_DIR "/usr/opt/g++/lib/g++-include"
122:
123: /* Fast DG/UX version of profiler that does not require lots of
124: registers to be stored. */
125: #undef FUNCTION_PROFILER
126: #define FUNCTION_PROFILER(FILE, LABELNO) \
127: output_function_profiler (FILE, LABELNO, "gcc.mcount", 0)
128:
129: /* DGUX V.4 isn't quite ELF--yet. */
130: #undef VERSION_0300_SYNTAX
1.1.1.3 ! root 131: #define VERSION_0300_SYNTAX (TARGET_SVR4 && m88k_version_0300)
! 132:
! 133: /* Same, but used before OVERRIDE_OPTIONS has been processed. */
! 134: #define GET_VERSION_0300_SYNTAX \
! 135: (TARGET_SVR4 && m88k_version != 0 && strcmp (m88k_version, "03.00") >= 0)
1.1 root 136:
137: /* Output the legend info for mxdb when debugging except if standard
138: debugging information only is explicitly requested. */
139: #undef ASM_FIRST_LINE
140: #define ASM_FIRST_LINE(FILE) \
141: do { \
142: if (VERSION_0300_SYNTAX) \
1.1.1.2 root 143: fprintf (FILE, "\t%s\t \"03.00\"\n", VERSION_ASM_OP); \
1.1 root 144: if (write_symbols != NO_DEBUG \
145: && ! (TARGET_STANDARD && ! TARGET_LEGEND)) \
146: { \
147: fprintf (FILE, ";legend_info -fix-bb -h\"gcc-%s\" -s\"%s\"", \
148: VERSION_STRING, main_input_filename); \
149: fputs (flag_traditional ? " -lc" : " -lansi-c", FILE); \
150: if (TARGET_STANDARD) \
151: fputs (" -keep-std", FILE); \
152: if (TARGET_EXTERNAL_LEGEND) \
153: fputs (" -external", FILE); \
154: if (TARGET_OCS_FRAME_POSITION) \
155: fputs (" -ocs", FILE); \
156: fputc ('\n', FILE); \
157: } \
158: } while (0)
159:
160: /* Override svr4.h. */
161: #undef PTRDIFF_TYPE
162: #undef WCHAR_TYPE
163: #undef WCHAR_TYPE_SIZE
164:
1.1.1.2 root 165: /* Override svr4.h and m88k.h except when compiling crtstuff.c. */
1.1 root 166: #if !defined (CRT_BEGIN) && !defined (CRT_END)
167: #if 0 /* The SVR4 init method doesn't yet work. */
168: #undef INIT_SECTION_ASM_OP
169: #define INIT_SECTION_ASM_OP (VERSION_0300_SYNTAX \
1.1.1.2 root 170: ? "section\t .init,\"xa\"" \
171: : "section\t .init,\"x\"")
1.1 root 172: #endif
173: #undef CTORS_SECTION_ASM_OP
174: #define CTORS_SECTION_ASM_OP (VERSION_0300_SYNTAX \
1.1.1.2 root 175: ? "section\t .ctors,\"aw\"" \
176: : "section\t .ctors,\"d\"")
1.1 root 177: #undef DTORS_SECTION_ASM_OP
178: #define DTORS_SECTION_ASM_OP (VERSION_0300_SYNTAX \
1.1.1.2 root 179: ? "section\t .dtors,\"aw\"" \
180: : "section\t .dtors,\"d\"")
1.1 root 181: #endif /* crtstuff.c */
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