/* Common VxWorks target definitions for GNU compiler.
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/* Common VxWorks target definitions for GNU compiler.
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Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007
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Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
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Contributed by Wind River Systems.
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Contributed by Wind River Systems.
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Rewritten by CodeSourcery, LLC.
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Rewritten by CodeSourcery, LLC.
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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 it under
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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Software Foundation; either version 3, or (at your option) any later
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version.
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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along with GCC; see the file COPYING3. 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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/* In kernel mode, VxWorks provides all the libraries itself, as well as
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/* In kernel mode, VxWorks provides all the libraries itself, as well as
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the functionality of startup files, etc. In RTP mode, it behaves more
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the functionality of startup files, etc. In RTP mode, it behaves more
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like a traditional Unix, with more external files. Most of our specs
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like a traditional Unix, with more external files. Most of our specs
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must be aware of the difference. */
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must be aware of the difference. */
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/* The directory containing the VxWorks target headers. */
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/* The directory containing the VxWorks target headers. */
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#define VXWORKS_TARGET_DIR "/home/tornado/base6/target"
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#define VXWORKS_TARGET_DIR "/home/tornado/base6/target"
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/* Since we provide a default -isystem, expand -isystem on the command
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/* Since we provide a default -isystem, expand -isystem on the command
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line early. */
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line early. */
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#undef VXWORKS_ADDITIONAL_CPP_SPEC
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#undef VXWORKS_ADDITIONAL_CPP_SPEC
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#define VXWORKS_ADDITIONAL_CPP_SPEC " \
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#define VXWORKS_ADDITIONAL_CPP_SPEC " \
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%{!nostdinc:%{isystem*}} \
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%{!nostdinc:%{isystem*}} \
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%{mrtp: -D__RTP__=1 \
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%{mrtp: -D__RTP__=1 \
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%{!nostdinc:-isystem " VXWORKS_TARGET_DIR "/usr/h}} \
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%{!nostdinc:-isystem " VXWORKS_TARGET_DIR "/usr/h}} \
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%{!mrtp:-D_WRS_KERNEL=1 \
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%{!mrtp:-D_WRS_KERNEL=1 \
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%{!nostdinc:-isystem " VXWORKS_TARGET_DIR "/h}}"
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%{!nostdinc:-isystem " VXWORKS_TARGET_DIR "/h}}"
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/* The references to __init and __fini will be satisfied by
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/* The references to __init and __fini will be satisfied by
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libc_internal.a. */
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libc_internal.a. */
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#undef VXWORKS_LIB_SPEC
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#undef VXWORKS_LIB_SPEC
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#define VXWORKS_LIB_SPEC \
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#define VXWORKS_LIB_SPEC \
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"%{mrtp:%{shared:-u " USER_LABEL_PREFIX "__init -u " USER_LABEL_PREFIX "__fini} \
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"%{mrtp:%{shared:-u " USER_LABEL_PREFIX "__init -u " USER_LABEL_PREFIX "__fini} \
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%{!shared:%{non-static:-u " USER_LABEL_PREFIX "_STI__6__rtld -ldl} \
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%{!shared:%{non-static:-u " USER_LABEL_PREFIX "_STI__6__rtld -ldl} \
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--start-group -lc -lgcc -lc_internal -lnet -ldsi \
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--start-group -lc -lgcc -lc_internal -lnet -ldsi \
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--end-group}}"
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--end-group}}"
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/* The no-op spec for "-shared" below is present because otherwise GCC
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/* The no-op spec for "-shared" below is present because otherwise GCC
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will treat it as an unrecognized option. */
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will treat it as an unrecognized option. */
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#undef VXWORKS_LINK_SPEC
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#undef VXWORKS_LINK_SPEC
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#define VXWORKS_LINK_SPEC \
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#define VXWORKS_LINK_SPEC \
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"%{!mrtp:-r} \
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"%{!mrtp:-r} \
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%{!shared: \
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%{!shared: \
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%{mrtp:-q %{h*} \
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%{mrtp:-q %{h*} \
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%{R*} %{!Wl,-T*: %{!T*: %(link_start) }} \
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%{R*} %{!Wl,-T*: %{!T*: %(link_start) }} \
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%(link_target) %(link_os)}} \
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%(link_target) %(link_os)}} \
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%{v:-V} \
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%{v:-V} \
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%{shared:-shared} \
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%{shared:-shared} \
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%{Bstatic:-Bstatic} \
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%{Bstatic:-Bstatic} \
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%{Bdynamic:-Bdynamic} \
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%{Bdynamic:-Bdynamic} \
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%{!Xbind-lazy:-z now} \
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%{!Xbind-lazy:-z now} \
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%{Xbind-now:%{Xbind-lazy: \
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%{Xbind-now:%{Xbind-lazy: \
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%e-Xbind-now and -Xbind-lazy are incompatible}} \
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%e-Xbind-now and -Xbind-lazy are incompatible}} \
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%{mrtp:%{!shared:%{!non-static:-static} \
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%{mrtp:%{!shared:%{!non-static:-static} \
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%{non-static:--force-dynamic --export-dynamic}}}"
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%{non-static:--force-dynamic --export-dynamic}}}"
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/* For VxWorks, the system provides libc_internal.a. This is a superset
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/* For VxWorks, the system provides libc_internal.a. This is a superset
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of libgcc.a; we want to use it. Make sure not to dynamically export
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of libgcc.a; we want to use it. Make sure not to dynamically export
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any of its symbols, though. Always look for libgcc.a first so that
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any of its symbols, though. Always look for libgcc.a first so that
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we get the latest versions of the GNU intrinsics during our builds. */
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we get the latest versions of the GNU intrinsics during our builds. */
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#undef VXWORKS_LIBGCC_SPEC
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#undef VXWORKS_LIBGCC_SPEC
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#define VXWORKS_LIBGCC_SPEC \
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#define VXWORKS_LIBGCC_SPEC \
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"-lgcc %{mrtp:--exclude-libs=libc_internal,libgcc -lc_internal}"
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"-lgcc %{mrtp:--exclude-libs=libc_internal,libgcc -lc_internal}"
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#undef VXWORKS_STARTFILE_SPEC
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#undef VXWORKS_STARTFILE_SPEC
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#define VXWORKS_STARTFILE_SPEC "%{mrtp:%{!shared:crt0.o%s}}"
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#define VXWORKS_STARTFILE_SPEC "%{mrtp:%{!shared:crt0.o%s}}"
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#define VXWORKS_ENDFILE_SPEC ""
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#define VXWORKS_ENDFILE_SPEC ""
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/* We can use .ctors/.dtors sections only in RTP mode.
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/* We can use .ctors/.dtors sections only in RTP mode.
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Unfortunately this must be an integer constant expression;
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Unfortunately this must be an integer constant expression;
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fix up in override_options. */
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fix up in override_options. */
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#undef VXWORKS_OVERRIDE_OPTIONS
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#undef VXWORKS_OVERRIDE_OPTIONS
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#define VXWORKS_OVERRIDE_OPTIONS do { \
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#define VXWORKS_OVERRIDE_OPTIONS do { \
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targetm.have_ctors_dtors = TARGET_VXWORKS_RTP; \
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targetm.have_ctors_dtors = TARGET_VXWORKS_RTP; \
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} while (0)
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} while (0)
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/* The VxWorks runtime uses a clever trick to get the sentinel entry
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/* The VxWorks runtime uses a clever trick to get the sentinel entry
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(-1) inserted at the beginning of the .ctors segment. This trick
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(-1) inserted at the beginning of the .ctors segment. This trick
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will not work if we ever generate any entries in plain .ctors
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will not work if we ever generate any entries in plain .ctors
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sections; we must always use .ctors.PRIORITY. */
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sections; we must always use .ctors.PRIORITY. */
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#define ALWAYS_NUMBER_CTORS_SECTIONS 1
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#define ALWAYS_NUMBER_CTORS_SECTIONS 1
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/* The name of the symbol for the table of GOTs in a particular
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/* The name of the symbol for the table of GOTs in a particular
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RTP. */
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RTP. */
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#define VXWORKS_GOTT_BASE "__GOTT_BASE__"
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#define VXWORKS_GOTT_BASE "__GOTT_BASE__"
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/* The name of the symbol for the index into the table of GOTs for the
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/* The name of the symbol for the index into the table of GOTs for the
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GOT associated with the current shared library. */
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GOT associated with the current shared library. */
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#define VXWORKS_GOTT_INDEX "__GOTT_INDEX__"
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#define VXWORKS_GOTT_INDEX "__GOTT_INDEX__"
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#define VXWORKS_KIND VXWORKS_KIND_NORMAL
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#define VXWORKS_KIND VXWORKS_KIND_NORMAL
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