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1.1 root 1: /* Definitions of target machine for GNU compiler.
2: DECstation (OSF/1 reference port with OSF/rose) version.
3: Copyright (C) 1991, 1992 Free Software Foundation, Inc.
4:
5: This file is part of GNU CC.
6:
7: GNU CC is free software; you can redistribute it and/or modify
8: it under the terms of the GNU General Public License as published by
9: the Free Software Foundation; either version 2, or (at your option)
10: any later version.
11:
12: GNU CC is distributed in the hope that it will be useful,
13: but WITHOUT ANY WARRANTY; without even the implied warranty of
14: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15: GNU General Public License for more details.
16:
17: You should have received a copy of the GNU General Public License
18: along with GNU CC; see the file COPYING. If not, write to
19: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
20:
21: #define DECSTATION
22: #define OSF_OS
23:
24: #define HALF_PIC_DEBUG TARGET_DEBUG_B_MODE
25: #define HALF_PIC_PREFIX "$Lp."
26:
27: #include "halfpic.h"
28:
29: #define WORD_SWITCH_TAKES_ARG(STR) \
30: (DEFAULT_WORD_SWITCH_TAKES_ARG (STR) || !strcmp (STR, "pic-names"))
31:
32: #define CPP_PREDEFINES "\
33: -DOSF -DOSF1 -Dbsd4_2 -DMIPSEL -Dhost_mips -Dmips -Dunix -DR3000 -DSYSTYPE_BSD \
34: -Asystem(unix) -Asystem(xpg4) -Acpu(mips) -Amachine(mips)"
35:
36: #define ASM_SPEC "\
37: %{mmips-as: \
38: %{pipe:%e:-pipe not supported} \
39: %{EL} %{!EL:-EL} \
40: %{EB: %e-EB not supported} \
41: %{!mrnames: %{!.s:-nocpp} %{.s: %{cpp} %{nocpp}}} \
42: %{mips1} %{mips2} %{mips3} \
43: %{O:-O2} %{O1:-O2} %{O2:-O2} %{O3:-O3} \
44: %{g} %{g0} %{g1} %{g2} %{g3} \
45: %{K} %{Q}} \
46: %{v*: -v} \
47: %{G*}"
48:
49: #ifndef CROSS_COMPILE
50: #define ASM_FINAL_SPEC "\
51: %{mmips-as: %{!mno-mips-tfile: \
52: \n mips-tfile %{v*: -v} %{d*} \
53: %{K: -I %b.o~} \
54: %{!K: %{save-temps: -I %b.o~}} \
55: %{c:%W{o*}%{!o*:-o %b.o}}%{!c:-o %U.o} \
56: %{.s:%i} %{!.s:%g.s}}}"
57:
58: #else /* CROSS_COMPILE */
59: #define ASM_FINAL_SPEC "\
60: %{mmips-as: %{mmips-tfile: \
61: \n mips-tfile %{v*: -v} %{d*} \
62: %{K: -I %b.o~} \
63: %{!K: %{save-temps: -I %b.o~}} \
64: %{c:%W{o*}%{!o*:-o %b.o}}%{!c:-o %U.o} \
65: %{.s:%i} %{!.s:%g.s}}}"
66: #endif
67:
68: #define CPP_SPEC "\
69: %{.S: %{!ansi:%{!traditional:%{!traditional-cpp:%{!ftraditional: -traditional}}}}} \
70: %{.S: -D__LANGUAGE_ASSEMBLY__ -D__LANGUAGE_ASSEMBLY %{!ansi:-DLANGUAGE_ASSEMBLY} \
71: -ULANGUAGE_C -U__LANGUAGE_C__} \
72: %{.s: %{!ansi:%{!traditional:%{!traditional-cpp:%{!ftraditional: -traditional}}}}} \
73: %{.s: -D__LANGUAGE_ASSEMBLY__ -D__LANGUAGE_ASSEMBLY %{!ansi:-DLANGUAGE_ASSEMBLY} \
74: -ULANGUAGE_C -U__LANGUAGE_C__} \
75: %{.cc: -D__LANGUAGE_C_PLUS_PLUS__ -D__LANGUAGE_C_PLUS_PLUS} \
76: %{.cxx: -D__LANGUAGE_C_PLUS_PLUS__ -D__LANGUAGE_C_PLUS_PLUS} \
77: %{.C: -D__LANGUAGE_C_PLUS_PLUS__ -D__LANGUAGE_C_PLUS_PLUS} \
78: %{.m: -D__LANGUAGE_OBJECTIVE_C__ -D__LANGUAGE_OBJECTIVE_C} \
79: %{!.S:%{!.s: -D__LANGUAGE_C__ -D__LANGUAGE_C %{!ansi:-DLANGUAGE_C}}}"
80:
81: #define LINK_SPEC "\
82: %{G*} \
83: %{mmips-as: \
84: %{EL} %{!EL: -EL} \
85: %{EB: %e-EB not supported} \
86: %{mips1} %{mips2} %{mips3} \
87: %{bestGnum}} \
88: %{!mmips-as: \
89: %{v*: -v} \
90: %{!noshrlib: %{pic-none: -noshrlib} %{!pic-none: -warn_nopic}} \
91: %{nostdlib} %{noshrlib} %{glue}}"
92:
93: #define LIB_SPEC "-lc"
94:
95: /* Define this macro meaning that `gcc' should find the library
96: `libgcc.a' by hand, rather than passing the argument `-lgcc' to
97: tell the linker to do the search. */
98:
99: #define LINK_LIBGCC_SPECIAL 1
100:
101: #define STARTFILE_SPEC "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}"
102:
103: #define MACHINE_TYPE "DECstation with OSF/rose objects"
104:
105: #ifndef MD_EXEC_PREFIX
106: #define MD_EXEC_PREFIX "/usr/ccs/gcc/"
107: #endif
108:
109: #ifndef MD_STARTFILE_PREFIX
110: #define MD_STARTFILE_PREFIX "/usr/ccs/lib/"
111: #endif
112:
113: /* Turn on -mpic-extern by default. */
114: #define CC1_SPEC "\
115: %{gline:%{!g:%{!g0:%{!g1:%{!g2: -g1}}}}} \
116: %{G*} \
117: %{pic-none: -mno-half-pic} \
118: %{pic-lib: -mhalf-pic} \
119: %{pic-extern: -mhalf-pic} \
120: %{pic-calls: -mhalf-pic} \
121: %{pic-names*: -mhalf-pic} \
122: %{!pic-*: -mhalf-pic}"
123:
124: /* Specify size_t, ptrdiff_t, and wchar_t types. */
125: #define SIZE_TYPE "long unsigned int"
126: #define PTRDIFF_TYPE "int"
127: #define WCHAR_TYPE "unsigned int"
128: #define WCHAR_TYPE_SIZE BITS_PER_WORD
129:
130: /* OSF/1 uses gas, not the mips assembler. */
131: #define TARGET_DEFAULT MASK_GAS
132:
133: /* OSF/rose uses stabs, not ECOFF. */
134: #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
135:
136: /* enable dwarf debugging for testing */
137: #define DWARF_DEBUGGING_INFO
138:
139: /* Tell collect that the object format is OSF/rose. */
140: #define OBJECT_FORMAT_ROSE
141:
142: /* Tell collect where the appropriate binaries are. */
143: #define REAL_LD_FILE_NAME "/usr/ccs/gcc/gld"
144: #define REAL_NM_FILE_NAME "/usr/ccs/bin/nm"
145: #define REAL_STRIP_FILE_NAME "/usr/ccs/bin/strip"
146:
147: /* Default to -G 0 unless doing ecoff work. */
148: #define MIPS_DEFAULT_GVALUE ((TARGET_MIPS_AS) ? 8 : 0)
149:
150: /* Use atexit for static constructors/destructors, instead of defining
151: our own exit function. */
152: #define HAVE_ATEXIT
153:
154: /* Generate calls to memcpy, etc., not bcopy, etc. */
155: #define TARGET_MEM_FUNCTIONS
156:
157: /* A C statement to output assembler commands which will identify
158: the object file as having been compiled with GNU CC (or another
159: GNU compiler).
160:
161: If you don't define this macro, the string `gcc2_compiled.:' is
162: output. This string is calculated to define a symbol which, on
163: BSD systems, will never be defined for any other reason. GDB
164: checks for the presence of this symbol when reading the symbol
165: table of an executable.
166:
167: On non-BSD systems, you must arrange communication with GDB in
168: some other fashion. If GDB is not used on your system, you can
169: define this macro with an empty body.
170:
171: On OSF/1, gcc2_compiled. confuses the kernel debugger, so don't
172: put it out. */
173:
174: #define ASM_IDENTIFY_GCC(STREAM)
175:
176: /* Identify the front-end which produced this file. To keep symbol
177: space down, and not confuse kdb, only do this if the language is
178: not C. */
179:
180: #define ASM_IDENTIFY_LANGUAGE(STREAM) \
181: { \
182: if (strcmp (lang_identify (), "c") != 0) \
183: output_lang_identify (STREAM); \
184: }
185:
186: #include "mips/mips.h"
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