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      1 /* Copyright (C) 2007-2022 Free Software Foundation, Inc.
      2 
      3 This file is part of GCC.
      4 
      5 GCC is free software; you can redistribute it and/or modify it under
      6 the terms of the GNU General Public License as published by the Free
      7 Software Foundation; either version 3, or (at your option) any later
      8 version.
      9 
     10 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
     11 WARRANTY; without even the implied warranty of MERCHANTABILITY or
     12 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
     13 for more details.
     14 
     15 Under Section 7 of GPL version 3, you are granted additional
     16 permissions described in the GCC Runtime Library Exception, version
     17 3.1, as published by the Free Software Foundation.
     18 
     19 You should have received a copy of the GNU General Public License and
     20 a copy of the GCC Runtime Library Exception along with this program;
     21 see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
     22 <http://www.gnu.org/licenses/>.  */
     23 
     24 #undef SUBTARGET_DRIVER_SELF_SPECS
     25 #define SUBTARGET_DRIVER_SELF_SPECS \
     26   "%{!mno-fdpic:-mfdpic} -micplb",
     27 
     28 #undef TARGET_OS_CPP_BUILTINS
     29 #define TARGET_OS_CPP_BUILTINS() GNU_USER_TARGET_OS_CPP_BUILTINS()
     30 
     31 #undef STARTFILE_SPEC
     32 #define STARTFILE_SPEC \
     33   "%{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} crtreloc.o%s \
     34    crti.o%s %{shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
     35 
     36 #undef LINK_GCC_C_SEQUENCE_SPEC
     37 #define LINK_GCC_C_SEQUENCE_SPEC \
     38   "%{static|static-pie:--start-group} %{mfast-fp:-lbffastfp} %G %{!nolibc:%L} \
     39    %{static|static-pie:--end-group} \
     40    %{!static:%{!static-pie:%{mfast-fp:-lbffastfp} %G}}"
     41 
     42 #undef CPP_SPEC
     43 #define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
     44 
     45 #undef LINK_SPEC
     46 #define LINK_SPEC "\
     47   %{mfdpic: -m elf32bfinfd -z text} %{shared} %{pie} \
     48   %{static:-dn -Bstatic} \
     49   %{shared:-G -Bdynamic} \
     50   %{!shared: %{!static: \
     51    %{rdynamic:-export-dynamic} \
     52    -dynamic-linker /lib/ld-uClibc.so.0} \
     53    %{static}} -init __init -fini __fini"
     54 
     55 #undef TARGET_SUPPORTS_SYNC_CALLS
     56 #define TARGET_SUPPORTS_SYNC_CALLS 1
     57