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Annotation of gcc/config/mips/osfrose.h, revision 1.1

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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