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Annotation of gcc/config/m68k/linux-aout.h, revision 1.1

1.1     ! root        1: /* Definitions for Motorola m68k running Linux
        !             2:    Copyright (C) 1995 Free Software Foundation, Inc.
        !             3: 
        !             4: This file is part of GNU CC.
        !             5: 
        !             6: GNU CC is free software; you can redistribute it and/or modify
        !             7: it under the terms of the GNU General Public License as published by
        !             8: the Free Software Foundation; either version 1, or (at your option)
        !             9: any later version.
        !            10: 
        !            11: GNU CC is distributed in the hope that it will be useful,
        !            12: but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            14: GNU General Public License for more details.
        !            15: 
        !            16: You should have received a copy of the GNU General Public License
        !            17: along with GNU CC; see the file COPYING.  If not, write to
        !            18: the Free Software Foundation, 59 Temple Place - Suite 330,
        !            19: Boston, MA 02111-1307, USA.  */
        !            20: 
        !            21: #include <m68k/m68k.h>
        !            22: #include <linux-aout.h>
        !            23: 
        !            24: /* 68020 with 68881 */
        !            25: #define TARGET_DEFAULT 7
        !            26: 
        !            27: #define DBX_DEBUGGING_INFO
        !            28: 
        !            29: #define CPP_PREDEFINES \
        !            30:   "-Dunix -Dmc68000 -Dmc68020 -Dlinux -Asystem(unix) -Asystem(posix) -Acpu(m68k) -Amachine(m68k)"
        !            31: 
        !            32: #undef CPP_SPEC
        !            33: #if TARGET_DEFAULT & 2
        !            34: #define CPP_SPEC \
        !            35:   "%{!msoft-float:-D__HAVE_68881__} %{posix:-D_POSIX_SOURCE}"
        !            36: #else
        !            37: #define CPP_SPEC \
        !            38:   "%{m68881:-D__HAVE_68881__} %{posix:-D_POSIX_SOURCE}"
        !            39: #endif
        !            40: 
        !            41: #undef SUBTARGET_SWITCHES
        !            42: #define SUBTARGET_SWITCHES     {"ieee-fp", 0},
        !            43: 
        !            44: #undef ASM_SPEC
        !            45: #define ASM_SPEC \
        !            46:   "%{m68030} %{m68040} %{fpic:-k} %{fPIC:-k}"
        !            47: 
        !            48: #undef LIB_SPEC
        !            49: #if 1
        !            50: /* We no longer link with libc_p.a or libg.a by default.  If you want
        !            51:    to profile or debug the Linux C library, please add -lc_p or -ggdb
        !            52:    to LDFLAGS at the link time, respectively.  */
        !            53: #define LIB_SPEC \
        !            54:   "%{mieee-fp:-lieee} %{p:-lgmon} %{pg:-lgmon} %{!ggdb:-lc} %{ggdb:-lg}"
        !            55: #else
        !            56: #define LIB_SPEC \
        !            57:   "%{mieee-fp:-lieee} %{p:-lgmon -lc_p} %{pg:-lgmon -lc_p} %{!p:%{!pg:%{!g*:-lc} %{g*:-lg}}}"
        !            58: #endif
        !            59: 
        !            60: /* We want to pass -v to linker */
        !            61: #undef LINK_SPEC
        !            62: #define LINK_SPEC      "-m m68klinux %{v:-dll-verbose}"
        !            63: 
        !            64: #define SIZE_TYPE "unsigned int"
        !            65: #define PTRDIFF_TYPE "int"
        !            66: 
        !            67: /* Generate calls to memcpy, memcmp and memset.  */
        !            68: #define TARGET_MEM_FUNCTIONS
        !            69: 
        !            70: /* Don't default to pcc-struct-return, because gcc is the only compiler.  */
        !            71: #undef PCC_STATIC_STRUCT_RETURN
        !            72: #define DEFAULT_PCC_STRUCT_RETURN 0
        !            73: 
        !            74: /* Allow folding division by zero.  */
        !            75: #define REAL_INFINITY

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