/* 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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/* Assert that we are targetting VxWorks. */
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/* Assert that we are targetting VxWorks. */
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#undef TARGET_VXWORKS
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#undef TARGET_VXWORKS
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#define TARGET_VXWORKS 1
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#define TARGET_VXWORKS 1
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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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/* We look for the VxWorks header files using the environment
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/* We look for the VxWorks header files using the environment
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variables that are set in VxWorks to indicate the location of the
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variables that are set in VxWorks to indicate the location of the
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system header files. We use -idirafter so that the GCC's own
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system header files. We use -idirafter so that the GCC's own
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header-file directories (containing <stddef.h>, etc.) come before
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header-file directories (containing <stddef.h>, etc.) come before
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the VxWorks system header directories. */
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the VxWorks system header directories. */
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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: \
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"%{!nostdinc: \
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%{isystem*} -idirafter \
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%{isystem*} -idirafter \
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%{mrtp: %:getenv(WIND_USR /h) \
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%{mrtp: %:getenv(WIND_USR /h) \
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;: %:getenv(WIND_BASE /target/h)}}"
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;: %:getenv(WIND_BASE /target/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:-l:crt0.o}}"
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#define VXWORKS_STARTFILE_SPEC "%{mrtp:%{!shared:-l:crt0.o}}"
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#define VXWORKS_ENDFILE_SPEC ""
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#define VXWORKS_ENDFILE_SPEC ""
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/* Do VxWorks-specific parts of OVERRIDE_OPTIONS. */
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/* Do VxWorks-specific parts of 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 vxworks_override_options ()
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#define VXWORKS_OVERRIDE_OPTIONS vxworks_override_options ()
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extern void vxworks_override_options (void);
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extern void vxworks_override_options (void);
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/* Only RTPs support prioritized constructors and destructors:
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/* Only RTPs support prioritized constructors and destructors:
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the implementation relies on numbered .ctors* sections. */
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the implementation relies on numbered .ctors* sections. */
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#define SUPPORTS_INIT_PRIORITY TARGET_VXWORKS_RTP
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#define SUPPORTS_INIT_PRIORITY TARGET_VXWORKS_RTP
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/* VxWorks requires special handling of constructors and destructors.
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/* VxWorks requires special handling of constructors and destructors.
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All VxWorks configurations must use these functions. */
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All VxWorks configurations must use these functions. */
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#undef TARGET_ASM_CONSTRUCTOR
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#undef TARGET_ASM_CONSTRUCTOR
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#define TARGET_ASM_CONSTRUCTOR vxworks_asm_out_constructor
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#define TARGET_ASM_CONSTRUCTOR vxworks_asm_out_constructor
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#undef TARGET_ASM_DESTRUCTOR
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#undef TARGET_ASM_DESTRUCTOR
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#define TARGET_ASM_DESTRUCTOR vxworks_asm_out_destructor
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#define TARGET_ASM_DESTRUCTOR vxworks_asm_out_destructor
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extern void vxworks_asm_out_constructor (rtx symbol, int priority);
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extern void vxworks_asm_out_constructor (rtx symbol, int priority);
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extern void vxworks_asm_out_destructor (rtx symbol, int priority);
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extern void vxworks_asm_out_destructor (rtx symbol, int priority);
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/* Override the vxworks-dummy.h definitions. TARGET_VXWORKS_RTP
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/* Override the vxworks-dummy.h definitions. TARGET_VXWORKS_RTP
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is defined by vxworks.opt. */
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is defined by vxworks.opt. */
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#undef VXWORKS_GOTT_BASE
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#undef VXWORKS_GOTT_BASE
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#define VXWORKS_GOTT_BASE "__GOTT_BASE__"
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#define VXWORKS_GOTT_BASE "__GOTT_BASE__"
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#undef VXWORKS_GOTT_INDEX
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#undef VXWORKS_GOTT_INDEX
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#define VXWORKS_GOTT_INDEX "__GOTT_INDEX__"
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#define VXWORKS_GOTT_INDEX "__GOTT_INDEX__"
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/* As for svr4.h (which not all VxWorks targets include). */
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/* As for svr4.h (which not all VxWorks targets include). */
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#undef PTRDIFF_TYPE
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#undef PTRDIFF_TYPE
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#define PTRDIFF_TYPE "int"
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#define PTRDIFF_TYPE "int"
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#undef SIZE_TYPE
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#undef SIZE_TYPE
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#define SIZE_TYPE "unsigned int"
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#define SIZE_TYPE "unsigned int"
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/* Both kernels and RTPs have the facilities required by this macro. */
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/* Both kernels and RTPs have the facilities required by this macro. */
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#define TARGET_POSIX_IO
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#define TARGET_POSIX_IO
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/* A VxWorks implementation of TARGET_OS_CPP_BUILTINS. */
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/* A VxWorks implementation of TARGET_OS_CPP_BUILTINS. */
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#define VXWORKS_OS_CPP_BUILTINS() \
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#define VXWORKS_OS_CPP_BUILTINS() \
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do \
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do \
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{ \
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{ \
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builtin_define ("__vxworks"); \
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builtin_define ("__vxworks"); \
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builtin_define ("__VXWORKS__"); \
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builtin_define ("__VXWORKS__"); \
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builtin_assert ("system=unix"); \
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builtin_assert ("system=unix"); \
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if (TARGET_VXWORKS_RTP) \
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if (TARGET_VXWORKS_RTP) \
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builtin_define ("__RTP__"); \
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builtin_define ("__RTP__"); \
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else \
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else \
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builtin_define ("_WRS_KERNEL"); \
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builtin_define ("_WRS_KERNEL"); \
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} \
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} \
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while (0)
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while (0)
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#define VXWORKS_KIND VXWORKS_KIND_NORMAL
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#define VXWORKS_KIND VXWORKS_KIND_NORMAL
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/* The diab linker does not handle .gnu_attribute sections. */
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/* The diab linker does not handle .gnu_attribute sections. */
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#undef HAVE_AS_GNU_ATTRIBUTE
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#undef HAVE_AS_GNU_ATTRIBUTE
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