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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 "-DOSF -DOSF1 -Dbsd4_2 -DMIPSEL -Dhost_mips -Dmips -Dunix -DR3000 -DSYSTYPE_BSD"
33:
34: #define ASM_SPEC "\
35: %{mmips-as: \
36: %{pipe:%e:-pipe not supported} \
37: %{EL} %{!EL:-EL} \
38: %{EB: %e-EB not supported} \
39: %{!mrnames: %{!.s:-nocpp} %{.s: %{cpp} %{nocpp}}} \
40: %{mips1} %{mips2} %{mips3} \
41: %{O:-O2} %{O1:-O2} %{O2:-O2} %{O3:-O3} \
42: %{g} %{g0} %{g1} %{g2} %{g3} \
43: %{K} %{Q}} \
44: %{v*: -v} \
45: %{G*}"
46:
47: #ifndef CROSS_COMPILE
48: #define ASM_FINAL_SPEC "\
49: %{mmips-as: %{!mno-mips-tfile: \
50: \n mips-tfile %{v*: -v} %{d*} \
51: %{K: -I %b.o~} \
52: %{!K: %{save-temps: -I %b.o~}} \
53: %{c:%W{o*}%{!o*:-o %b.o}}%{!c:-o %U.o} \
54: %{.s:%i} %{!.s:%g.s}}}"
55:
56: #else /* CROSS_COMPILE */
57: #define ASM_FINAL_SPEC "\
58: %{mmips-as: %{mmips-tfile: \
59: \n mips-tfile %{v*: -v} %{d*} \
60: %{K: -I %b.o~} \
61: %{!K: %{save-temps: -I %b.o~}} \
62: %{c:%W{o*}%{!o*:-o %b.o}}%{!c:-o %U.o} \
63: %{.s:%i} %{!.s:%g.s}}}"
64: #endif
65:
66: #define CPP_SPEC "\
67: %{.S: %{!ansi:%{!traditional:%{!traditional-cpp:%{!ftraditional: -traditional}}}}} \
68: %{.S: -D__LANGUAGE_ASSEMBLY__ -D__LANGUAGE_ASSEMBLY %{!ansi:-DLANGUAGE_ASSEMBLY} \
69: -ULANGUAGE_C -U__LANGUAGE_C__} \
70: %{.cc: -D__LANGUAGE_C_PLUS_PLUS__ -D__LANGUAGE_C_PLUS_PLUS} \
71: %{.cxx: -D__LANGUAGE_C_PLUS_PLUS__ -D__LANGUAGE_C_PLUS_PLUS} \
72: %{.C: -D__LANGUAGE_C_PLUS_PLUS__ -D__LANGUAGE_C_PLUS_PLUS} \
73: %{.m: -D__LANGUAGE_OBJECTIVE_C__ -D__LANGUAGE_OBJECTIVE_C} \
74: %{!.S: -D__LANGUAGE_C__ -D__LANGUAGE_C %{!ansi:-DLANGUAGE_C}}"
75:
76: #define LINK_SPEC "\
77: %{G*} \
78: %{mmips-as: \
79: %{EL} %{!EL: -EL} \
80: %{EB: %e-EB not supported} \
81: %{mips1} %{mips2} %{mips3} \
82: %{bestGnum}} \
83: %{!mmips-as: \
84: %{v*: -v} \
85: %{!noshrlib: %{pic-none: -noshrlib} %{!pic-none: -warn_nopic}} \
86: %{nostdlib} %{noshrlib} %{glue}}"
87:
88: #define LIB_SPEC "-lc"
89:
90: /* Define this macro meaning that `gcc' should find the library
91: `libgcc.a' by hand, rather than passing the argument `-lgcc' to
92: tell the linker to do the search. */
93:
94: #define LINK_LIBGCC_SPECIAL 1
95:
96: #define STARTFILE_SPEC "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}"
97:
98: #define MACHINE_TYPE "DECstation with OSF/rose objects"
99:
100: #ifndef MD_EXEC_PREFIX
101: #define MD_EXEC_PREFIX "/usr/ccs/gcc/"
102: #endif
103:
104: #ifndef MD_STARTFILE_PREFIX
105: #define MD_STARTFILE_PREFIX "/usr/ccs/lib/"
106: #endif
107:
108: /* Turn on -mpic-extern by default. */
109: #define CC1_SPEC "\
110: %{gline:%{!g:%{!g0:%{!g1:%{!g2: -g1}}}}} \
111: %{G*} \
112: %{pic-none: -mno-half-pic} \
113: %{pic-lib: -mhalf-pic} \
114: %{pic-extern: -mhalf-pic} \
115: %{pic-calls: -mhalf-pic} \
116: %{pic-names*: -mhalf-pic} \
117: %{!pic-*: -mhalf-pic}"
118:
119: /* Specify size_t, ptrdiff_t, and wchar_t types. */
120: #define SIZE_TYPE "long unsigned int"
121: #define PTRDIFF_TYPE "int"
122: #define WCHAR_TYPE "unsigned int"
123: #define WCHAR_TYPE_SIZE BITS_PER_WORD
124:
125: /* OSF/1 uses gas, not the mips assembler. */
126: #define TARGET_DEFAULT MASK_GAS
127:
128: /* OSF/rose uses stabs, not ECOFF. */
129: #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
130:
131: /* enable dwarf debugging for testing */
132: #define DWARF_DEBUGGING_INFO
133:
134: /* Tell collect that the object format is OSF/rose. */
135: #define OBJECT_FORMAT_ROSE
136:
137: /* Tell collect where the appropriate binaries are. */
138: #define REAL_LD_FILE_NAME "/usr/ccs/gcc/gld"
139: #define REAL_NM_FILE_NAME "/usr/ccs/bin/nm"
140: #define REAL_STRIP_FILE_NAME "/usr/ccs/bin/strip"
141:
142: /* Default to -G 0 unless doing ecoff work. */
143: #define MIPS_DEFAULT_GVALUE ((TARGET_MIPS_AS) ? 8 : 0)
144:
145: /* Use atexit for static constructors/destructors, instead of defining
146: our own exit function. */
147: #define HAVE_ATEXIT
148:
149: /* Generate calls to memcpy, etc., not bcopy, etc. */
150: #define TARGET_MEM_FUNCTIONS
151:
152: /* A C statement to output assembler commands which will identify
153: the object file as having been compiled with GNU CC (or another
154: GNU compiler).
155:
156: If you don't define this macro, the string `gcc2_compiled.:' is
157: output. This string is calculated to define a symbol which, on
158: BSD systems, will never be defined for any other reason. GDB
159: checks for the presence of this symbol when reading the symbol
160: table of an executable.
161:
162: On non-BSD systems, you must arrange communication with GDB in
163: some other fashion. If GDB is not used on your system, you can
164: define this macro with an empty body.
165:
166: On OSF/1, gcc2_compiled. confuses the kernel debugger, so don't
167: put it out. */
168:
169: #define ASM_IDENTIFY_GCC(STREAM)
170:
171: /* Identify the front-end which produced this file. To keep symbol
172: space down, and not confuse kdb, only do this if the language is
173: not C. */
174:
175: #define ASM_IDENTIFY_LANGUAGE(STREAM) \
176: { \
177: if (strcmp (lang_identify (), "c") != 0) \
178: output_lang_identify (STREAM); \
179: }
180:
181: #include "mips/mips.h"
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