1 files changed, 128 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/gnu-user.h b/gcc-4.9/gcc/config/gnu-user.h
new file mode 100644
index 000000000..a1955a7e7
--- /dev/null
+++ b/gcc-4.9/gcc/config/gnu-user.h
@@ -0,0 +1,128 @@
+/* Definitions for systems using, at least optionally, a GNU
+   (glibc-based) userspace or other userspace with libc derived from
+   glibc (e.g. uClibc) or for which similar specs are appropriate.
+   Copyright (C) 1995-2014 Free Software Foundation, Inc.
+   Contributed by Eric Youngdale.
+   Modified for stabs-in-ELF by H.J. Lu (hjl@lucon.org).
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3, or (at your option)
+any later version.
+
+GCC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+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/>.  */
+
+/* Don't assume anything about the header files.  */
+#define NO_IMPLICIT_EXTERN_C
+
+#undef ASM_APP_ON
+#define ASM_APP_ON "#APP\n"
+
+#undef ASM_APP_OFF
+#define ASM_APP_OFF "#NO_APP\n"
+
+/* Provide a STARTFILE_SPEC appropriate for GNU userspace.  Here we add
+   the GNU userspace magical crtbegin.o file (see crtstuff.c) which
+   provides part of the support for getting C++ file-scope static
+   object constructed before entering `main'.  */
+
+#if defined HAVE_LD_PIE
+#define GNU_USER_TARGET_STARTFILE_SPEC \
+  "%{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} \
+   crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s} \
+   %{fvtable-verify=none:%s; \
+     fvtable-verify=preinit:vtv_start_preinit.o%s; \
+     fvtable-verify=std:vtv_start.o%s}"
+#else
+#define GNU_USER_TARGET_STARTFILE_SPEC \
+  "%{!shared: %{pg|p|profile:gcrt1.o%s;:crt1.o%s}} \
+   crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s} \
+   %{fvtable-verify=none:%s; \
+     fvtable-verify=preinit:vtv_start_preinit.o%s; \
+     fvtable-verify=std:vtv_start.o%s}"
+#endif
+#undef  STARTFILE_SPEC
+#define STARTFILE_SPEC GNU_USER_TARGET_STARTFILE_SPEC
+
+/* Provide a ENDFILE_SPEC appropriate for GNU userspace.  Here we tack on
+   the GNU userspace magical crtend.o file (see crtstuff.c) which
+   provides part of the support for getting C++ file-scope static
+   object constructed before entering `main', followed by a normal
+   GNU userspace "finalizer" file, `crtn.o'.  */
+
+#define GNU_USER_TARGET_ENDFILE_SPEC \
+  "%{fvtable-verify=none:%s; \
+     fvtable-verify=preinit:vtv_end_preinit.o%s; \
+     fvtable-verify=std:vtv_end.o%s} \
+   %{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
+#undef  ENDFILE_SPEC
+#define ENDFILE_SPEC GNU_USER_TARGET_ENDFILE_SPEC
+
+/* This is for -profile to use -lc_p instead of -lc.  */
+#define GNU_USER_TARGET_CC1_SPEC "%{profile:-p}"
+#ifndef CC1_SPEC
+#define CC1_SPEC GNU_USER_TARGET_CC1_SPEC
+#endif
+
+/* The GNU C++ standard library requires that these macros be defined.  */
+#undef CPLUSPLUS_CPP_SPEC
+#define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"
+
+#define GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC \
+  "%{shared:-lc} \
+   %{!shared:%{mieee-fp:-lieee} %{profile:-lc_p}%{!profile:-lc}}"
+
+#define GNU_USER_TARGET_LIB_SPEC \
+  "%{pthread:-lpthread} " \
+  GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC
+
+#undef  LIB_SPEC
+#define LIB_SPEC GNU_USER_TARGET_LIB_SPEC
+
+#if defined(HAVE_LD_EH_FRAME_HDR)
+#define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
+#endif
+
+#undef LINK_GCC_C_SEQUENCE_SPEC
+#define LINK_GCC_C_SEQUENCE_SPEC \
+  "%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}"
+
+/* Use --as-needed -lgcc_s for eh support.  */
+#ifdef HAVE_LD_AS_NEEDED
+#define USE_LD_AS_NEEDED 1
+#endif
+
+#define TARGET_POSIX_IO
+
+#undef TARGET_LIBC_HAS_FUNCTION
+#define TARGET_LIBC_HAS_FUNCTION gnu_libc_has_function
+
+/* Link -lasan early on the command line.  For -static-libasan, don't link
+   it for -shared link, the executable should be compiled with -static-libasan
+   in that case, and for executable link link with --{,no-}whole-archive around
+   it to force everything into the executable.  And similarly for -ltsan.  */
+#if defined(HAVE_LD_STATIC_DYNAMIC)
+#undef LIBASAN_EARLY_SPEC
+#define LIBASAN_EARLY_SPEC "%{!shared:libasan_preinit%O%s} " \
+  "%{static-libasan:%{!shared:" \
+  LD_STATIC_OPTION " --whole-archive -lasan --no-whole-archive " \
+  LD_DYNAMIC_OPTION "}}%{!static-libasan:-lasan}"
+#undef LIBTSAN_EARLY_SPEC
+#define LIBTSAN_EARLY_SPEC "%{static-libtsan:%{!shared:" \
+  LD_STATIC_OPTION " --whole-archive -ltsan --no-whole-archive " \
+  LD_DYNAMIC_OPTION "}}%{!static-libtsan:-ltsan}"
+#endif