| /**************************************************************************** |
| * * |
| * GNAT COMPILER COMPONENTS * |
| * * |
| * L I N K * |
| * * |
| * C Implementation File * |
| * * |
| * Copyright (C) 1992-2021, Free Software Foundation, Inc. * |
| * * |
| * GNAT is free software; you can redistribute it and/or modify it under * |
| * terms of the GNU General Public License as published by the Free Soft- * |
| * ware Foundation; either version 3, or (at your option) any later ver- * |
| * sion. GNAT is distributed in the hope that it will be useful, but WITH- * |
| * OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * |
| * or FITNESS FOR A PARTICULAR PURPOSE. * |
| * * |
| * As a special exception under Section 7 of GPL version 3, you are granted * |
| * additional permissions described in the GCC Runtime Library Exception, * |
| * version 3.1, as published by the Free Software Foundation. * |
| * * |
| * You should have received a copy of the GNU General Public License and * |
| * a copy of the GCC Runtime Library Exception along with this program; * |
| * see the files COPYING3 and COPYING.RUNTIME respectively. If not, see * |
| * <http://www.gnu.org/licenses/>. * |
| * * |
| * GNAT was originally developed by the GNAT team at New York University. * |
| * Extensive contributions were provided by Ada Core Technologies Inc. * |
| * * |
| ****************************************************************************/ |
| |
| /* This file contains host-specific parameters describing the behavior of the |
| linker. It is used by gnatlink as well as all tools that use Mlib. */ |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #ifdef IN_GCC |
| #include "auto-host.h" |
| #endif |
| |
| #include <string.h> |
| |
| /* objlist_file_supported is set to 1 when the system linker allows */ |
| /* response file, that is a file that contains the list of object files. */ |
| /* This is useful on systems where the command line length is limited, */ |
| /* meaning that putting all the object files on the command line can */ |
| /* result in an unacceptable limit on the number of files. */ |
| |
| /* object_file_option denotes the system dependent linker option which */ |
| /* allows object file names to be placed in a file and then passed to */ |
| /* the linker. object_file_option must be set if objlist_file_supported */ |
| /* is set to 1. */ |
| |
| /* link_max is a conservative system specific threshold (in bytes) of the */ |
| /* argument length passed to the linker which will trigger a file being */ |
| /* used instead of the command line directly. If the argument length is */ |
| /* greater than this threshold, then an objlist_file will be generated */ |
| /* and object_file_option and objlist_file_supported must be set. If */ |
| /* objlist_file_supported is set to 0 (unsupported), then link_max is */ |
| /* set to 2**31-1 so that the limit will never be exceeded. */ |
| |
| /* run_path_option is the system dependent linker option which specifies */ |
| /* the run time path to use when loading dynamic libraries. This should */ |
| /* be set to the null string if the system does not support dynamic */ |
| /* loading of libraries. */ |
| |
| /* shared_libgnat_default gives the system dependent link method that */ |
| /* be used by default for linking libgnat (shared or static) */ |
| |
| /* shared_libgcc_default gives the system dependent link method that */ |
| /* be used by default for linking libgcc (shared or static) */ |
| |
| /* separate_run_path_options is set to 1 when separate "rpath" arguments */ |
| /* must be passed to the linker for each directory in the rpath. */ |
| |
| /* default_libgcc_subdir is the subdirectory name (from the installation */ |
| /* root) where we may find a shared libgcc to use by default. */ |
| |
| #define SHARED 'H' |
| #define STATIC 'T' |
| |
| #if defined (__WIN32) |
| const char *__gnat_object_file_option = "-Wl,@"; |
| const char *__gnat_run_path_option = ""; |
| int __gnat_link_max = 30000; |
| unsigned char __gnat_objlist_file_supported = 1; |
| char __gnat_shared_libgnat_default = STATIC; |
| char __gnat_shared_libgcc_default = STATIC; |
| const char *__gnat_object_library_extension = ".a"; |
| unsigned char __gnat_separate_run_path_options = 0; |
| const char *__gnat_default_libgcc_subdir = "lib"; |
| |
| #elif defined (__hpux__) |
| const char *__gnat_object_file_option = "-Wl,-c,"; |
| const char *__gnat_run_path_option = "-Wl,+b,"; |
| int __gnat_link_max = 5000; |
| unsigned char __gnat_objlist_file_supported = 1; |
| char __gnat_shared_libgnat_default = STATIC; |
| char __gnat_shared_libgcc_default = STATIC; |
| const char *__gnat_object_library_extension = ".a"; |
| unsigned char __gnat_separate_run_path_options = 0; |
| const char *__gnat_default_libgcc_subdir = "lib"; |
| |
| #elif defined (__FreeBSD__) || defined (__DragonFly__) \ |
| || defined (__NetBSD__) || defined (__OpenBSD__) \ |
| || defined (__QNX__) |
| const char *__gnat_object_file_option = "-Wl,@"; |
| const char *__gnat_run_path_option = "-Wl,-rpath,"; |
| char __gnat_shared_libgnat_default = STATIC; |
| char __gnat_shared_libgcc_default = STATIC; |
| int __gnat_link_max = 8192; |
| unsigned char __gnat_objlist_file_supported = 1; |
| const char *__gnat_object_library_extension = ".a"; |
| unsigned char __gnat_separate_run_path_options = 0; |
| const char *__gnat_default_libgcc_subdir = "lib"; |
| |
| #elif defined (__APPLE__) |
| const char *__gnat_object_file_option = "-Wl,-filelist,"; |
| const char *__gnat_run_path_option = "-Wl,-rpath,"; |
| char __gnat_shared_libgnat_default = STATIC; |
| char __gnat_shared_libgcc_default = SHARED; |
| int __gnat_link_max = 262144; |
| unsigned char __gnat_objlist_file_supported = 1; |
| const char *__gnat_object_library_extension = ".a"; |
| unsigned char __gnat_separate_run_path_options = 1; |
| const char *__gnat_default_libgcc_subdir = "lib"; |
| |
| #elif defined (__linux__) || defined (__GLIBC__) |
| const char *__gnat_object_file_option = "-Wl,@"; |
| const char *__gnat_run_path_option = "-Wl,-rpath,"; |
| char __gnat_shared_libgnat_default = STATIC; |
| char __gnat_shared_libgcc_default = STATIC; |
| int __gnat_link_max = 8192; |
| unsigned char __gnat_objlist_file_supported = 1; |
| const char *__gnat_object_library_extension = ".a"; |
| unsigned char __gnat_separate_run_path_options = 0; |
| #if defined (__x86_64) |
| # if defined (__LP64__) |
| const char *__gnat_default_libgcc_subdir = "lib64"; |
| # else |
| const char *__gnat_default_libgcc_subdir = "libx32"; |
| # endif |
| #else |
| const char *__gnat_default_libgcc_subdir = "lib"; |
| #endif |
| |
| #elif defined (_AIX) |
| /* On AIX, even when with GNU ld we use native linker switches. This is |
| particularly important for '-f' as it should be interpreted by collect2. */ |
| |
| const char *__gnat_object_file_option = "-Wl,-f,"; |
| const char *__gnat_run_path_option = ""; |
| char __gnat_shared_libgnat_default = STATIC; |
| char __gnat_shared_libgcc_default = STATIC; |
| int __gnat_link_max = 15000; |
| unsigned char __gnat_objlist_file_supported = 1; |
| const char *__gnat_object_library_extension = ".a"; |
| unsigned char __gnat_separate_run_path_options = 0; |
| const char *__gnat_default_libgcc_subdir = "lib"; |
| |
| #elif (HAVE_GNU_LD) |
| /* These are the settings for all systems that use gnu ld. GNU style response |
| file is supported, the shared library default is STATIC. */ |
| |
| const char *__gnat_object_file_option = "-Wl,@"; |
| const char *__gnat_run_path_option = ""; |
| char __gnat_shared_libgnat_default = STATIC; |
| char __gnat_shared_libgcc_default = STATIC; |
| int __gnat_link_max = 8192; |
| unsigned char __gnat_objlist_file_supported = 1; |
| const char *__gnat_object_library_extension = ".a"; |
| unsigned char __gnat_separate_run_path_options = 0; |
| const char *__gnat_default_libgcc_subdir = "lib"; |
| |
| #elif defined (VMS) |
| const char *__gnat_object_file_option = ""; |
| const char *__gnat_run_path_option = ""; |
| char __gnat_shared_libgnat_default = STATIC; |
| char __gnat_shared_libgcc_default = STATIC; |
| int __gnat_link_max = 2147483647; |
| unsigned char __gnat_objlist_file_supported = 0; |
| const char *__gnat_object_library_extension = ".olb"; |
| unsigned char __gnat_separate_run_path_options = 0; |
| const char *__gnat_default_libgcc_subdir = "lib"; |
| |
| #elif defined (__sun__) |
| const char *__gnat_object_file_option = ""; |
| const char *__gnat_run_path_option = "-Wl,-R"; |
| char __gnat_shared_libgnat_default = STATIC; |
| char __gnat_shared_libgcc_default = STATIC; |
| int __gnat_link_max = 2147483647; |
| unsigned char __gnat_objlist_file_supported = 0; |
| const char *__gnat_object_library_extension = ".a"; |
| unsigned char __gnat_separate_run_path_options = 0; |
| #if defined (__sparc_v9__) || defined (__sparcv9) |
| const char *__gnat_default_libgcc_subdir = "lib/sparcv9"; |
| #elif defined (__x86_64) |
| const char *__gnat_default_libgcc_subdir = "lib/amd64"; |
| #else |
| const char *__gnat_default_libgcc_subdir = "lib"; |
| #endif |
| |
| #elif defined (__svr4__) && defined (__i386__) |
| const char *__gnat_object_file_option = ""; |
| const char *__gnat_run_path_option = ""; |
| char __gnat_shared_libgnat_default = STATIC; |
| char __gnat_shared_libgcc_default = STATIC; |
| int __gnat_link_max = 2147483647; |
| unsigned char __gnat_objlist_file_supported = 0; |
| const char *__gnat_object_library_extension = ".a"; |
| unsigned char __gnat_separate_run_path_options = 0; |
| const char *__gnat_default_libgcc_subdir = "lib"; |
| |
| #else |
| |
| /* These are the default settings for all other systems. No response file |
| is supported, the shared library default is STATIC. */ |
| const char *__gnat_run_path_option = ""; |
| const char *__gnat_object_file_option = ""; |
| char __gnat_shared_libgnat_default = STATIC; |
| char __gnat_shared_libgcc_default = STATIC; |
| int __gnat_link_max = 2147483647; |
| unsigned char __gnat_objlist_file_supported = 0; |
| const char *__gnat_object_library_extension = ".a"; |
| unsigned char __gnat_separate_run_path_options = 0; |
| const char *__gnat_default_libgcc_subdir = "lib"; |
| #endif |
| |
| #ifdef __cplusplus |
| } |
| #endif |
