/* Definitions for Linux-based GNU systems with ELF format
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/* Definitions for Linux-based GNU systems with ELF format
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Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2003, 2004, 2005, 2006,
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Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2003, 2004, 2005, 2006,
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2007, 2009 Free Software Foundation, Inc.
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2007, 2009 Free Software Foundation, Inc.
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Contributed by Eric Youngdale.
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Contributed by Eric Youngdale.
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Modified for stabs-in-ELF by H.J. Lu (hjl@lucon.org).
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Modified for stabs-in-ELF by H.J. Lu (hjl@lucon.org).
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This file is part of GCC.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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any later version.
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GCC is distributed in the hope that it will be useful,
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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Under Section 7 of GPL version 3, you are granted additional
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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<http://www.gnu.org/licenses/>. */
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/* Don't assume anything about the header files. */
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/* Don't assume anything about the header files. */
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#define NO_IMPLICIT_EXTERN_C
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#define NO_IMPLICIT_EXTERN_C
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#undef ASM_APP_ON
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#undef ASM_APP_ON
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#define ASM_APP_ON "#APP\n"
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#define ASM_APP_ON "#APP\n"
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#undef ASM_APP_OFF
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#undef ASM_APP_OFF
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#define ASM_APP_OFF "#NO_APP\n"
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#define ASM_APP_OFF "#NO_APP\n"
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#undef MD_EXEC_PREFIX
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#undef MD_EXEC_PREFIX
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#undef MD_STARTFILE_PREFIX
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#undef MD_STARTFILE_PREFIX
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/* Provide a STARTFILE_SPEC appropriate for GNU/Linux. Here we add
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/* Provide a STARTFILE_SPEC appropriate for GNU/Linux. Here we add
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the GNU/Linux magical crtbegin.o file (see crtstuff.c) which
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the GNU/Linux magical crtbegin.o file (see crtstuff.c) which
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provides part of the support for getting C++ file-scope static
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provides part of the support for getting C++ file-scope static
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object constructed before entering `main'. */
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object constructed before entering `main'. */
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#undef STARTFILE_SPEC
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#undef STARTFILE_SPEC
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#if defined HAVE_LD_PIE
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#if defined HAVE_LD_PIE
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#define STARTFILE_SPEC \
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#define STARTFILE_SPEC \
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"%{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} \
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"%{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} \
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crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
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crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
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#else
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#else
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#define STARTFILE_SPEC \
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#define STARTFILE_SPEC \
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"%{!shared: %{pg|p|profile:gcrt1.o%s;:crt1.o%s}} \
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"%{!shared: %{pg|p|profile:gcrt1.o%s;:crt1.o%s}} \
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crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
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crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
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#endif
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#endif
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/* Provide a ENDFILE_SPEC appropriate for GNU/Linux. Here we tack on
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/* Provide a ENDFILE_SPEC appropriate for GNU/Linux. Here we tack on
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the GNU/Linux magical crtend.o file (see crtstuff.c) which
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the GNU/Linux magical crtend.o file (see crtstuff.c) which
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provides part of the support for getting C++ file-scope static
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provides part of the support for getting C++ file-scope static
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object constructed before entering `main', followed by a normal
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object constructed before entering `main', followed by a normal
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GNU/Linux "finalizer" file, `crtn.o'. */
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GNU/Linux "finalizer" file, `crtn.o'. */
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#undef ENDFILE_SPEC
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#undef ENDFILE_SPEC
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#define ENDFILE_SPEC \
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#define ENDFILE_SPEC \
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"%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
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"%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
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/* This is for -profile to use -lc_p instead of -lc. */
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/* This is for -profile to use -lc_p instead of -lc. */
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#ifndef CC1_SPEC
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#ifndef CC1_SPEC
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#define CC1_SPEC "%{profile:-p}"
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#define CC1_SPEC "%{profile:-p}"
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#endif
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#endif
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/* The GNU C++ standard library requires that these macros be defined. */
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/* The GNU C++ standard library requires that these macros be defined. */
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#undef CPLUSPLUS_CPP_SPEC
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#undef CPLUSPLUS_CPP_SPEC
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#define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"
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#define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"
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#undef LIB_SPEC
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#undef LIB_SPEC
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#define LIB_SPEC \
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#define LIB_SPEC \
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"%{pthread:-lpthread} \
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"%{pthread:-lpthread} \
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%{shared:-lc} \
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%{shared:-lc} \
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%{!shared:%{mieee-fp:-lieee} %{profile:-lc_p}%{!profile:-lc}}"
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%{!shared:%{mieee-fp:-lieee} %{profile:-lc_p}%{!profile:-lc}}"
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#define LINUX_TARGET_OS_CPP_BUILTINS() \
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#define LINUX_TARGET_OS_CPP_BUILTINS() \
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do { \
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do { \
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builtin_define ("__gnu_linux__"); \
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builtin_define ("__gnu_linux__"); \
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builtin_define_std ("linux"); \
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builtin_define_std ("linux"); \
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builtin_define_std ("unix"); \
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builtin_define_std ("unix"); \
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builtin_assert ("system=linux"); \
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builtin_assert ("system=linux"); \
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builtin_assert ("system=unix"); \
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builtin_assert ("system=unix"); \
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builtin_assert ("system=posix"); \
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builtin_assert ("system=posix"); \
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} while (0)
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} while (0)
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#if defined(HAVE_LD_EH_FRAME_HDR)
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#if defined(HAVE_LD_EH_FRAME_HDR)
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#define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
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#define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
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#endif
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#endif
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/* Define this so we can compile MS code for use with WINE. */
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/* Define this so we can compile MS code for use with WINE. */
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#define HANDLE_PRAGMA_PACK_PUSH_POP
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#define HANDLE_PRAGMA_PACK_PUSH_POP
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#undef LINK_GCC_C_SEQUENCE_SPEC
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#undef LINK_GCC_C_SEQUENCE_SPEC
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#define LINK_GCC_C_SEQUENCE_SPEC \
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#define LINK_GCC_C_SEQUENCE_SPEC \
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"%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}"
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"%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}"
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/* Use --as-needed -lgcc_s for eh support. */
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/* Use --as-needed -lgcc_s for eh support. */
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#ifdef HAVE_LD_AS_NEEDED
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#ifdef HAVE_LD_AS_NEEDED
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#define USE_LD_AS_NEEDED 1
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#define USE_LD_AS_NEEDED 1
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#endif
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#endif
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/* Determine which dynamic linker to use depending on whether GLIBC or
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/* Determine which dynamic linker to use depending on whether GLIBC or
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uClibc is the default C library and whether -muclibc or -mglibc has
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uClibc is the default C library and whether -muclibc or -mglibc has
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been passed to change the default. */
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been passed to change the default. */
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#if UCLIBC_DEFAULT
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#if UCLIBC_DEFAULT
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#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:%{muclibc:%e-mglibc and -muclibc used together}" G ";:" U "}"
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#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:%{muclibc:%e-mglibc and -muclibc used together}" G ";:" U "}"
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#else
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#else
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#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:%{mglibc:%e-mglibc and -muclibc used together}" U ";:" G "}"
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#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:%{mglibc:%e-mglibc and -muclibc used together}" U ";:" G "}"
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#endif
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#endif
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/* For most targets the following definitions suffice;
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/* For most targets the following definitions suffice;
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GLIBC_DYNAMIC_LINKER must be defined for each target using them, or
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GLIBC_DYNAMIC_LINKER must be defined for each target using them, or
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GLIBC_DYNAMIC_LINKER32 and GLIBC_DYNAMIC_LINKER64 for targets
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GLIBC_DYNAMIC_LINKER32 and GLIBC_DYNAMIC_LINKER64 for targets
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supporting both 32-bit and 64-bit compilation. */
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supporting both 32-bit and 64-bit compilation. */
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#define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
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#define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
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#define UCLIBC_DYNAMIC_LINKER32 "/lib/ld-uClibc.so.0"
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#define UCLIBC_DYNAMIC_LINKER32 "/lib/ld-uClibc.so.0"
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#define UCLIBC_DYNAMIC_LINKER64 "/lib/ld64-uClibc.so.0"
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#define UCLIBC_DYNAMIC_LINKER64 "/lib/ld64-uClibc.so.0"
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#define LINUX_DYNAMIC_LINKER \
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#define LINUX_DYNAMIC_LINKER \
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CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER)
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CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER)
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#define LINUX_DYNAMIC_LINKER32 \
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#define LINUX_DYNAMIC_LINKER32 \
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CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32)
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CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32)
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#define LINUX_DYNAMIC_LINKER64 \
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#define LINUX_DYNAMIC_LINKER64 \
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CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64)
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CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64)
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/* Determine whether the entire c99 runtime
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/* Determine whether the entire c99 runtime
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is present in the runtime library. */
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is present in the runtime library. */
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#define TARGET_C99_FUNCTIONS (OPTION_GLIBC)
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#define TARGET_C99_FUNCTIONS (OPTION_GLIBC)
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/* Whether we have sincos that follows the GNU extension. */
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/* Whether we have sincos that follows the GNU extension. */
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#define TARGET_HAS_SINCOS (OPTION_GLIBC)
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#define TARGET_HAS_SINCOS (OPTION_GLIBC)
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#define TARGET_POSIX_IO
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#define TARGET_POSIX_IO
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