/* Definitions for Intel 386 running FreeBSD with ELF format
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/* Definitions for Intel 386 running FreeBSD with ELF format
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Copyright (C) 1996, 2000, 2002, 2004, 2007 Free Software Foundation, Inc.
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Copyright (C) 1996, 2000, 2002, 2004, 2007 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.
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Modified for stabs-in-ELF by H.J. Lu.
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Adapted from GNU/Linux version by John Polstra.
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Adapted from GNU/Linux version by John Polstra.
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Continued development by David O'Brien <obrien@freebsd.org>
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Continued development by David O'Brien <obrien@freebsd.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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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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#define TARGET_VERSION fprintf (stderr, " (i386 FreeBSD/ELF)");
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#define TARGET_VERSION fprintf (stderr, " (i386 FreeBSD/ELF)");
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/* Override the default comment-starter of "/". */
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/* Override the default comment-starter of "/". */
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#undef ASM_COMMENT_START
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#undef ASM_COMMENT_START
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#define ASM_COMMENT_START "#"
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#define ASM_COMMENT_START "#"
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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 DBX_REGISTER_NUMBER
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#undef DBX_REGISTER_NUMBER
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#define DBX_REGISTER_NUMBER(n) \
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#define DBX_REGISTER_NUMBER(n) \
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(TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n])
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(TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n])
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#undef NO_PROFILE_COUNTERS
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#undef NO_PROFILE_COUNTERS
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#define NO_PROFILE_COUNTERS 1
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#define NO_PROFILE_COUNTERS 1
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/* Tell final.c that we don't need a label passed to mcount. */
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/* Tell final.c that we don't need a label passed to mcount. */
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#undef MCOUNT_NAME
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#undef MCOUNT_NAME
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#define MCOUNT_NAME ".mcount"
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#define MCOUNT_NAME ".mcount"
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/* Make gcc agree with <machine/ansi.h>. */
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/* Make gcc agree with <machine/ansi.h>. */
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#undef SIZE_TYPE
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#undef SIZE_TYPE
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#define SIZE_TYPE (TARGET_64BIT ? "long unsigned int" : "unsigned int")
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#define SIZE_TYPE (TARGET_64BIT ? "long unsigned int" : "unsigned int")
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#undef PTRDIFF_TYPE
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#undef PTRDIFF_TYPE
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#define PTRDIFF_TYPE (TARGET_64BIT ? "long int" : "int")
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#define PTRDIFF_TYPE (TARGET_64BIT ? "long int" : "int")
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#undef WCHAR_TYPE_SIZE
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#undef WCHAR_TYPE_SIZE
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#define WCHAR_TYPE_SIZE (TARGET_64BIT ? 32 : BITS_PER_WORD)
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#define WCHAR_TYPE_SIZE (TARGET_64BIT ? 32 : BITS_PER_WORD)
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#undef SUBTARGET_EXTRA_SPECS /* i386.h bogusly defines it. */
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#undef SUBTARGET_EXTRA_SPECS /* i386.h bogusly defines it. */
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#define SUBTARGET_EXTRA_SPECS \
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#define SUBTARGET_EXTRA_SPECS \
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{ "fbsd_dynamic_linker", FBSD_DYNAMIC_LINKER }
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{ "fbsd_dynamic_linker", FBSD_DYNAMIC_LINKER }
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/* Provide a STARTFILE_SPEC appropriate for FreeBSD. Here we add
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/* Provide a STARTFILE_SPEC appropriate for FreeBSD. Here we add
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the magical crtbegin.o file (see crtstuff.c) which provides part
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the magical crtbegin.o file (see crtstuff.c) which provides part
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of the support for getting C++ file-scope static object constructed
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of the support for getting C++ file-scope static object constructed
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before entering `main'. */
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before entering `main'. */
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#undef STARTFILE_SPEC
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#undef STARTFILE_SPEC
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#define STARTFILE_SPEC \
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#define STARTFILE_SPEC \
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"%{!shared: \
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"%{!shared: \
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%{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \
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%{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \
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%{!p:%{profile:gcrt1.o%s} \
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%{!p:%{profile:gcrt1.o%s} \
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%{!profile:crt1.o%s}}}} \
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%{!profile:crt1.o%s}}}} \
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crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
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crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
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/* Provide a ENDFILE_SPEC appropriate for FreeBSD. Here we tack on
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/* Provide a ENDFILE_SPEC appropriate for FreeBSD. Here we tack on
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the magical crtend.o file (see crtstuff.c) which provides part of
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the magical crtend.o file (see crtstuff.c) which provides part of
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the support for getting C++ file-scope static object constructed
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the support for getting C++ file-scope static object constructed
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before entering `main', followed by a normal "finalizer" file,
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before entering `main', followed by a normal "finalizer" file,
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`crtn.o'. */
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`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:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
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"%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
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/* Provide a LINK_SPEC appropriate for FreeBSD. Here we provide support
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/* Provide a LINK_SPEC appropriate for FreeBSD. Here we provide support
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for the special GCC options -static and -shared, which allow us to
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for the special GCC options -static and -shared, which allow us to
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link things in one of these three modes by applying the appropriate
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link things in one of these three modes by applying the appropriate
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combinations of options at link-time. We like to support here for
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combinations of options at link-time. We like to support here for
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as many of the other GNU linker options as possible. But I don't
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as many of the other GNU linker options as possible. But I don't
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have the time to search for those flags. I am sure how to add
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have the time to search for those flags. I am sure how to add
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support for -soname shared_object_name. H.J.
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support for -soname shared_object_name. H.J.
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I took out %{v:%{!V:-V}}. It is too much :-(. They can use
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I took out %{v:%{!V:-V}}. It is too much :-(. They can use
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-Wl,-V.
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-Wl,-V.
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When the -shared link option is used a final link is not being
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When the -shared link option is used a final link is not being
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done. */
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done. */
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#undef LINK_SPEC
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#undef LINK_SPEC
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#define LINK_SPEC "\
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#define LINK_SPEC "\
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%{p:%nconsider using `-pg' instead of `-p' with gprof(1)} \
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%{p:%nconsider using `-pg' instead of `-p' with gprof(1)} \
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%{v:-V} \
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%{v:-V} \
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%{assert*} %{R*} %{rpath*} %{defsym*} \
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%{assert*} %{R*} %{rpath*} %{defsym*} \
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%{shared:-Bshareable %{h*} %{soname*}} \
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%{shared:-Bshareable %{h*} %{soname*}} \
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%{!shared: \
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%{!shared: \
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%{!static: \
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%{!static: \
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%{rdynamic:-export-dynamic} \
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%{rdynamic:-export-dynamic} \
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%{!dynamic-linker:-dynamic-linker %(fbsd_dynamic_linker) }} \
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%{!dynamic-linker:-dynamic-linker %(fbsd_dynamic_linker) }} \
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%{static:-Bstatic}} \
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%{static:-Bstatic}} \
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%{symbolic:-Bsymbolic}"
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%{symbolic:-Bsymbolic}"
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/* A C statement to output to the stdio stream FILE an assembler
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/* A C statement to output to the stdio stream FILE an assembler
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command to advance the location counter to a multiple of 1<<LOG
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command to advance the location counter to a multiple of 1<<LOG
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bytes if it is within MAX_SKIP bytes.
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bytes if it is within MAX_SKIP bytes.
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This is used to align code labels according to Intel recommendations. */
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This is used to align code labels according to Intel recommendations. */
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#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
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#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
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#undef ASM_OUTPUT_MAX_SKIP_ALIGN
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#undef ASM_OUTPUT_MAX_SKIP_ALIGN
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#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE, LOG, MAX_SKIP) \
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#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE, LOG, MAX_SKIP) \
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if ((LOG) != 0) { \
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if ((LOG) != 0) { \
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if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
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if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
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else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
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else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
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}
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}
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#endif
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#endif
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/* Don't default to pcc-struct-return, we want to retain compatibility with
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/* Don't default to pcc-struct-return, we want to retain compatibility with
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older gcc versions AND pcc-struct-return is nonreentrant.
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older gcc versions AND pcc-struct-return is nonreentrant.
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(even though the SVR4 ABI for the i386 says that records and unions are
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(even though the SVR4 ABI for the i386 says that records and unions are
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returned in memory). */
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returned in memory). */
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#undef DEFAULT_PCC_STRUCT_RETURN
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#undef DEFAULT_PCC_STRUCT_RETURN
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#define DEFAULT_PCC_STRUCT_RETURN 0
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#define DEFAULT_PCC_STRUCT_RETURN 0
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/* FreeBSD sets the rounding precision of the FPU to 53 bits. Let the
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/* FreeBSD sets the rounding precision of the FPU to 53 bits. Let the
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compiler get the contents of <float.h> and std::numeric_limits correct. */
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compiler get the contents of <float.h> and std::numeric_limits correct. */
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#undef TARGET_96_ROUND_53_LONG_DOUBLE
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#undef TARGET_96_ROUND_53_LONG_DOUBLE
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#define TARGET_96_ROUND_53_LONG_DOUBLE (!TARGET_64BIT)
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#define TARGET_96_ROUND_53_LONG_DOUBLE (!TARGET_64BIT)
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