1 /* Definitions of target machine for GNU compiler.
2 DECstation (OSF/1 reference port with OSF/rose) version.
3 Copyright (C) 1991, 1992, 1995, 1996, 1998 Free Software Foundation, Inc.
5 This file is part of GNU CC.
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)
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.
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, 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
25 #define HALF_PIC_DEBUG TARGET_DEBUG_B_MODE
26 #define HALF_PIC_PREFIX "$Lp."
30 #define WORD_SWITCH_TAKES_ARG(STR) \
31 (DEFAULT_WORD_SWITCH_TAKES_ARG (STR) || !strcmp (STR, "pic-names"))
33 #define CPP_PREDEFINES "\
34 -DOSF -DOSF1 -Dbsd4_2 -DMIPSEL -Dhost_mips -Dmips -Dunix -DR3000 -DSYSTYPE_BSD \
35 -Asystem(unix) -Asystem(xpg4) -Acpu(mips) -Amachine(mips)"
37 #define SUBTARGET_CPP_SIZE_SPEC "\
38 %{mlong64:-D__PTRDIFF_TYPE__=long\\ int} \
39 %{!mlong64:-D__PTRDIFF_TYPE__=int}"
41 #define SUBTARGET_CPP_SPEC "\
42 %{.S: %{!ansi:%{!traditional:%{!traditional-cpp:%{!ftraditional: -traditional}}}}} \
43 %{.s: %{!ansi:%{!traditional:%{!traditional-cpp:%{!ftraditional: -traditional}}}}}"
45 /* ??? This assumes that GNU as is always used with GNU ld, and MIPS as is
46 always used with MIPS ld. */
48 %{G*} %{EL} %{EB} %{mips1} %{mips2} %{mips3} \
52 %{!noshrlib: %{pic-none: -noshrlib} %{!pic-none: -warn_nopic}} \
53 %{nostdlib} %{noshrlib} %{glue}}"
55 #define LIB_SPEC "-lc"
57 /* Define this macro meaning that `gcc' should find the library
58 `libgcc.a' by hand, rather than passing the argument `-lgcc' to
59 tell the linker to do the search. */
61 #define LINK_LIBGCC_SPECIAL 1
63 #define STARTFILE_SPEC "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}"
65 #define MACHINE_TYPE "DECstation with OSF/rose objects"
67 #ifndef MD_EXEC_PREFIX
68 #define MD_EXEC_PREFIX "/usr/ccs/gcc/"
71 #ifndef MD_STARTFILE_PREFIX
72 #define MD_STARTFILE_PREFIX "/usr/ccs/lib/"
75 /* Turn on -mpic-extern by default. */
77 %{gline:%{!g:%{!g0:%{!g1:%{!g2: -g1}}}}} \
78 %{mips1:-mfp32 -mgp32} %{mips2:-mfp32 -mgp32} %{mips3:-mfp64 -mgp64} \
79 %{mint64|mlong64|mlong32:-mexplicit-type-size }\
81 %{pic-none: -mno-half-pic} \
82 %{pic-lib: -mhalf-pic} \
83 %{pic-extern: -mhalf-pic} \
84 %{pic-calls: -mhalf-pic} \
85 %{pic-names*: -mhalf-pic} \
86 %{!pic-*: -mhalf-pic}"
88 /* Specify size_t and wchar_t types. */
89 #define SIZE_TYPE "long unsigned int"
90 #define WCHAR_TYPE "unsigned int"
91 #define WCHAR_TYPE_SIZE BITS_PER_WORD
92 #define MAX_WCHAR_TYPE_SIZE MAX_LONG_TYPE_SIZE
94 /* OSF/1 uses gas, not the mips assembler. */
95 #define TARGET_DEFAULT MASK_GAS
97 /* OSF/rose uses stabs, not ECOFF. */
98 #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
100 /* enable dwarf debugging for testing */
101 #define DWARF_DEBUGGING_INFO
102 /* This is needed by dwarfout.c. */
103 #define SET_ASM_OP ".set"
105 /* Tell collect that the object format is OSF/rose. */
106 #define OBJECT_FORMAT_ROSE
108 /* Tell collect where the appropriate binaries are. */
109 #define REAL_LD_FILE_NAME "/usr/ccs/gcc/gld"
110 #define REAL_NM_FILE_NAME "/usr/ccs/bin/nm"
111 #define REAL_STRIP_FILE_NAME "/usr/ccs/bin/strip"
113 /* Default to -G 0 unless doing ecoff work. */
114 #define MIPS_DEFAULT_GVALUE ((TARGET_MIPS_AS) ? 8 : 0)
116 /* Use atexit for static constructors/destructors, instead of defining
117 our own exit function. */
120 /* Generate calls to memcpy, etc., not bcopy, etc. */
121 #define TARGET_MEM_FUNCTIONS
123 /* A C statement to output assembler commands which will identify
124 the object file as having been compiled with GNU CC (or another
127 If you don't define this macro, the string `gcc2_compiled.:' is
128 output. This string is calculated to define a symbol which, on
129 BSD systems, will never be defined for any other reason. GDB
130 checks for the presence of this symbol when reading the symbol
131 table of an executable.
133 On non-BSD systems, you must arrange communication with GDB in
134 some other fashion. If GDB is not used on your system, you can
135 define this macro with an empty body.
137 On OSF/1, gcc2_compiled. confuses the kernel debugger, so don't
140 #define ASM_IDENTIFY_GCC(STREAM)
142 /* Identify the front-end which produced this file. To keep symbol
143 space down, and not confuse kdb, only do this if the language is
146 #define ASM_IDENTIFY_LANGUAGE(STREAM) \
148 if (strcmp (lang_identify (), "c") != 0) \
149 output_lang_identify (STREAM); \