| 1 | 709 | jeremybenn | /* Common configuration file for NetBSD ELF targets.
 | 
      
         | 2 |  |  |    Copyright (C) 2002, 2007, 2010 Free Software Foundation, Inc.
 | 
      
         | 3 |  |  |    Contributed by Wasabi Systems, Inc.
 | 
      
         | 4 |  |  |  
 | 
      
         | 5 |  |  | This file is part of GCC.
 | 
      
         | 6 |  |  |  
 | 
      
         | 7 |  |  | GCC 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 3, or (at your option)
 | 
      
         | 10 |  |  | any later version.
 | 
      
         | 11 |  |  |  
 | 
      
         | 12 |  |  | GCC 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 GCC; see the file COPYING3.  If not see
 | 
      
         | 19 |  |  | <http://www.gnu.org/licenses/>.  */
 | 
      
         | 20 |  |  |  
 | 
      
         | 21 |  |  | /* TARGET_OS_CPP_BUILTINS() common to all NetBSD ELF targets.  */
 | 
      
         | 22 |  |  | #define NETBSD_OS_CPP_BUILTINS_ELF()            \
 | 
      
         | 23 |  |  |   do                                            \
 | 
      
         | 24 |  |  |     {                                           \
 | 
      
         | 25 |  |  |       NETBSD_OS_CPP_BUILTINS_COMMON();          \
 | 
      
         | 26 |  |  |     }                                           \
 | 
      
         | 27 |  |  |   while (0)
 | 
      
         | 28 |  |  |  
 | 
      
         | 29 |  |  | /* Provide a STARTFILE_SPEC appropriate for NetBSD ELF.  Here we
 | 
      
         | 30 |  |  |    provide support for the special GCC option -static.  On ELF
 | 
      
         | 31 |  |  |    targets, we also add the crtbegin.o file, which provides part
 | 
      
         | 32 |  |  |    of the support for getting C++ file-scope static objects
 | 
      
         | 33 |  |  |    constructed before entering "main".  */
 | 
      
         | 34 |  |  |  
 | 
      
         | 35 |  |  | #define NETBSD_STARTFILE_SPEC   \
 | 
      
         | 36 |  |  |   "%{!shared:                   \
 | 
      
         | 37 |  |  |      %{pg:gcrt0%O%s}            \
 | 
      
         | 38 |  |  |      %{!pg:                     \
 | 
      
         | 39 |  |  |        %{p:gcrt0%O%s}           \
 | 
      
         | 40 |  |  |        %{!p:crt0%O%s}}}         \
 | 
      
         | 41 |  |  |    %:if-exists(crti%O%s)        \
 | 
      
         | 42 |  |  |    %{static:%:if-exists-else(crtbeginT%O%s crtbegin%O%s)} \
 | 
      
         | 43 |  |  |    %{!static: \
 | 
      
         | 44 |  |  |      %{!shared:crtbegin%O%s} %{shared:crtbeginS%O%s}}"
 | 
      
         | 45 |  |  |  
 | 
      
         | 46 |  |  | #undef STARTFILE_SPEC
 | 
      
         | 47 |  |  | #define STARTFILE_SPEC NETBSD_STARTFILE_SPEC
 | 
      
         | 48 |  |  |  
 | 
      
         | 49 |  |  |  
 | 
      
         | 50 |  |  | /* Provide an ENDFILE_SPEC appropriate for NetBSD ELF.  Here we
 | 
      
         | 51 |  |  |    add crtend.o, which provides part of the support for getting
 | 
      
         | 52 |  |  |    C++ file-scope static objects deconstructed after exiting "main".  */
 | 
      
         | 53 |  |  |  
 | 
      
         | 54 |  |  | #define NETBSD_ENDFILE_SPEC     \
 | 
      
         | 55 |  |  |   "%{!shared:crtend%O%s} %{shared:crtendS%O%s} \
 | 
      
         | 56 |  |  |    %:if-exists(crtn%O%s)"
 | 
      
         | 57 |  |  |  
 | 
      
         | 58 |  |  | #undef ENDFILE_SPEC
 | 
      
         | 59 |  |  | #define ENDFILE_SPEC NETBSD_ENDFILE_SPEC
 | 
      
         | 60 |  |  |  
 | 
      
         | 61 |  |  | /* Provide a LINK_SPEC appropriate for NetBSD ELF.  Here we provide
 | 
      
         | 62 |  |  |    support for the special GCC options -assert, -R, -rpath, -shared,
 | 
      
         | 63 |  |  |    -nostdlib, -static, -rdynamic, and -dynamic-linker.
 | 
      
         | 64 |  |  |  
 | 
      
         | 65 |  |  |    Target-specific code can use this in conjunction with any other
 | 
      
         | 66 |  |  |    target-specific LINK_SPEC options.
 | 
      
         | 67 |  |  |  
 | 
      
         | 68 |  |  |    Target-specific code must provide the %(netbsd_entry_point) spec.  */
 | 
      
         | 69 |  |  |  
 | 
      
         | 70 |  |  | #define NETBSD_LINK_SPEC_ELF \
 | 
      
         | 71 |  |  |   "%{assert*} %{R*} %{rpath*} \
 | 
      
         | 72 |  |  |    %{shared:-shared} \
 | 
      
         | 73 |  |  |    %{!shared: \
 | 
      
         | 74 |  |  |      -dc -dp \
 | 
      
         | 75 |  |  |      %{!nostdlib: \
 | 
      
         | 76 |  |  |        %{!r: \
 | 
      
         | 77 |  |  |          %{!e*:-e %(netbsd_entry_point)}}} \
 | 
      
         | 78 |  |  |      %{!static: \
 | 
      
         | 79 |  |  |        %{rdynamic:-export-dynamic} \
 | 
      
         | 80 |  |  |        -dynamic-linker /usr/libexec/ld.elf_so} \
 | 
      
         | 81 |  |  |      %{static:-static}}"
 | 
      
         | 82 |  |  |  
 | 
      
         | 83 |  |  | /* Use --as-needed -lgcc_s for eh support.  */
 | 
      
         | 84 |  |  | #ifdef HAVE_LD_AS_NEEDED
 | 
      
         | 85 |  |  | #define USE_LD_AS_NEEDED 1
 | 
      
         | 86 |  |  | #endif
 |