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Annotation of gcc/config/m68k/linux-aout.h, revision 1.1.1.1

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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