Add FreeBSD/MIPS support to GCC.
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=182627
@ -185,3 +185,8 @@ is built with the --enable-threads configure-time option.} \
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#ifdef HAVE_LD_AS_NEEDED
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#define USE_LD_AS_NEEDED 1
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#endif
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#define FBSD_SIZE_TYPE \
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(POINTER_SIZE == 64 ? "long unsigned int" : "unsigned int")
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#define FBSD_PTRDIFF_TYPE \
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(POINTER_SIZE == 64 ? "long int" : "int")
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@ -63,15 +63,26 @@ Boston, MA 02110-1301, USA. */
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/* All FreeBSD Architectures support the ELF object file format. */
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#undef OBJECT_FORMAT_ELF
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#define OBJECT_FORMAT_ELF 1
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#define TARGET_ELF 1
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/* Don't assume anything about the header files. */
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#undef NO_IMPLICIT_EXTERN_C
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#define NO_IMPLICIT_EXTERN_C 1
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/* Make gcc agree with FreeBSD's standard headers (<machine/ansi.h>, etc...) */
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#undef SIZE_TYPE
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#define SIZE_TYPE FBSD_SIZE_TYPE
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#undef PTRDIFF_TYPE
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#define PTRDIFF_TYPE FBSD_PTRDIFF_TYPE
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#undef WCHAR_TYPE
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#define WCHAR_TYPE "int"
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#undef WCHAR_TYPE_SIZE
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#define WCHAR_TYPE_SIZE 32
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#undef WINT_TYPE
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#define WINT_TYPE "int"
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#undef WINT_TYPE_SIZE
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#define WINT_TYPE_SIZE 32
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#ifdef FREEBSD_NATIVE
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#define LIBSTDCXX_PROFILE "-lstdc++_p"
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@ -91,6 +102,6 @@ Boston, MA 02110-1301, USA. */
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#undef NO_DOLLAR_IN_LABEL
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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 1
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#define TARGET_POSIX_IO
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241
contrib/gcc/config/mips/freebsd.h
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241
contrib/gcc/config/mips/freebsd.h
Normal file
@ -0,0 +1,241 @@
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/* Definitions for MIPS varients running FreeBSD with ELF format
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Copyright (C) 2008 Free Software Foundation, Inc.
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Continued by David O'Brien <obrien@freebsd.org>
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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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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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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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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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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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along with GCC; see the file COPYING. If not, write to
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the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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/* $FreeBSD$ */
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/* This defines which switch letters take arguments. -G is a MIPS
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special. */
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#undef SWITCH_TAKES_ARG
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#define SWITCH_TAKES_ARG(CHAR) \
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(FBSD_SWITCH_TAKES_ARG (CHAR) \
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|| (CHAR) == 'R' \
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|| (CHAR) == 'G')
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#undef SUBTARGET_EXTRA_SPECS /* mips.h bogusly defines it. */
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#define SUBTARGET_EXTRA_SPECS \
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{ "fbsd_dynamic_linker", FBSD_DYNAMIC_LINKER}, \
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{ "fbsd_link_spec", FBSD_LINK_SPEC }
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/* config/mips/mips.h defines CC1_SPEC,
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but gives us an "out" with SUBTARGET_CC1_SPEC. */
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#undef SUBTARGET_CC1_SPEC
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#define SUBTARGET_CC1_SPEC "%{profile:-p}"
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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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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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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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support for -soname shared_object_name. H.J.
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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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#define FBSD_LINK_SPEC "\
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%{p:%nconsider using `-pg' instead of `-p' with gprof(1) } \
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%{v:-V} \
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%{assert*} %{R*} %{rpath*} %{defsym*} \
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%{shared:-Bshareable %{h*} %{soname*}} \
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%{!shared: \
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%{!static: \
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%{rdynamic: -export-dynamic} \
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%{!dynamic-linker:-dynamic-linker %(fbsd_dynamic_linker) }} \
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%{static:-Bstatic}} \
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%{symbolic:-Bsymbolic} "
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#undef LINK_SPEC
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#define LINK_SPEC "\
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%{G*} %{mips1} %{mips2} %{mips3} %{mips4} %{mips32} %{mips32r2} %{mips64} \
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%{bestGnum} %{call_shared} %{no_archive} %{exact_version} \
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%(fbsd_link_spec) "
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#if 0
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%(endian_spec)
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#endif
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/* Reset our STARTFILE_SPEC which was properly set in config/freebsd.h
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but trashed by config/mips/elf.h. */
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#undef STARTFILE_SPEC
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#define STARTFILE_SPEC FBSD_STARTFILE_SPEC
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/* Provide an ENDFILE_SPEC appropriate for FreeBSD/i386. */
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#undef ENDFILE_SPEC
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#define ENDFILE_SPEC FBSD_ENDFILE_SPEC
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/* Reset our LIB_SPEC which was properly set in config/freebsd.h
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but trashed by config/mips/elf.h. */
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#undef LIB_SPEC
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#define LIB_SPEC FBSD_LIB_SPEC
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/* config/mips/mips.h defines CPP_SPEC, and it expects SUBTARGET_CPP_SPEC. */
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#undef SUBTARGET_CPP_SPEC
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#define SUBTARGET_CPP_SPEC FBSD_CPP_SPEC
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/************************[ Target stuff ]***********************************/
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/* Define the actual types of some ANSI-mandated types.
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Needs to agree with <machine/ansi.h>. GCC defaults come from c-decl.c,
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c-common.c, and config/<arch>/<arch>.h. */
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#if TARGET_ENDIAN_DEFAULT != 0
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#define TARGET_VERSION fprintf (stderr, " (FreeBSD/mips)");
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#else
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#define TARGET_VERSION fprintf (stderr, " (FreeBSD/mipsel)");
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#endif
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/* The generic MIPS TARGET_CPU_CPP_BUILTINS are incorrect for FreeBSD.
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Specifically, they define too many namespace-invasive macros. Override
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them here. Note this is structured for easy comparison to the version
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in mips.h. */
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#undef TARGET_CPU_CPP_BUILTINS
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#define TARGET_CPU_CPP_BUILTINS() \
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do \
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{ \
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builtin_assert ("machine=mips"); \
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builtin_assert ("cpu=mips"); \
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builtin_define ("__mips__"); \
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\
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if (TARGET_64BIT) \
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builtin_define ("__mips64__"); \
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\
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if (TARGET_FLOAT64) \
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builtin_define ("__mips_fpr=64"); \
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else \
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builtin_define ("__mips_fpr=32"); \
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\
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if (TARGET_MIPS16) \
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builtin_define ("__mips16"); \
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\
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MIPS_CPP_SET_PROCESSOR ("_MIPS_ARCH", mips_arch_info); \
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MIPS_CPP_SET_PROCESSOR ("_MIPS_TUNE", mips_tune_info); \
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\
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if (ISA_MIPS3) \
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builtin_define ("__mips=3"); \
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else if (ISA_MIPS4) \
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builtin_define ("__mips=4"); \
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else if (ISA_MIPS32) \
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{ \
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builtin_define ("__mips=32"); \
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builtin_define ("__mips_isa_rev=1"); \
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} \
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else if (ISA_MIPS32R2) \
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{ \
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builtin_define ("__mips=32"); \
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builtin_define ("__mips_isa_rev=2"); \
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} \
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else if (ISA_MIPS64) \
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{ \
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builtin_define ("__mips=64"); \
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builtin_define ("__mips_isa_rev=1"); \
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} \
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\
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if (TARGET_HARD_FLOAT) \
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builtin_define ("__mips_hard_float"); \
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else if (TARGET_SOFT_FLOAT) \
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builtin_define ("__mips_soft_float"); \
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\
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if (TARGET_SINGLE_FLOAT) \
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builtin_define ("__mips_single_float"); \
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\
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if (TARGET_BIG_ENDIAN) \
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builtin_define ("__MIPSEB__"); \
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else \
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builtin_define ("__MIPSEL__"); \
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\
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/* No language dialect defines. */ \
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\
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if (mips_abi == ABI_EABI) \
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builtin_define ("__mips_eabi"); \
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else if (mips_abi == ABI_N32) \
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builtin_define ("__mips_n32"); \
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else if (mips_abi == ABI_64) \
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builtin_define ("__mips_n64"); \
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else if (mips_abi == ABI_O64) \
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builtin_define ("__mips_o64"); \
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else \
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builtin_define ("__mips_o32"); \
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\
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if (TARGET_ABICALLS) \
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builtin_define ("__ABICALLS__"); \
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} \
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while (0)
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/* Default to the mips32 ISA */
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#undef DRIVER_SELF_SPECS
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#define DRIVER_SELF_SPECS \
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"%{!EB:%{!EL:%(endian_spec)}}", \
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"%{!march=*: -march=mips32}"
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#if 0
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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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(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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#undef DEFAULT_PCC_STRUCT_RETURN
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#define DEFAULT_PCC_STRUCT_RETURN 0
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#endif
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/************************[ Assembler stuff ]********************************/
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#undef SUBTARGET_ASM_SPEC
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#define SUBTARGET_ASM_SPEC \
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"%{!mno-abicalls: %{!fno-PIC:%{!fno-pic:-KPIC}}}"
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/* -G is incompatible with -KPIC which is the default, so only allow objects
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in the small data section if the user explicitly asks for it. */
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#undef MIPS_DEFAULT_GVALUE
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#define MIPS_DEFAULT_GVALUE 0
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/* If defined, a C expression whose value is a string containing the
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assembler operation to identify the following data as
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uninitialized global data. If not defined, and neither
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`ASM_OUTPUT_BSS' nor `ASM_OUTPUT_ALIGNED_BSS' are defined,
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uninitialized global data will be output in the data section if
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`-fno-common' is passed, otherwise `ASM_OUTPUT_COMMON' will be
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used. */
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#undef BSS_SECTION_ASM_OP
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#define BSS_SECTION_ASM_OP "\t.section\t.bss"
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/* Like `ASM_OUTPUT_BSS' except takes the required alignment as a
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separate, explicit argument. If you define this macro, it is used
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in place of `ASM_OUTPUT_BSS', and gives you more flexibility in
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handling the required alignment of the variable. The alignment is
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specified as the number of bits.
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Try to use function `asm_output_aligned_bss' defined in file
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`varasm.c' when defining this macro. */
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#undef ASM_OUTPUT_ALIGNED_BSS
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#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
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asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
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/* Standard AT&T UNIX 'as' local label spelling. */
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#undef LOCAL_LABEL_PREFIX
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#define LOCAL_LABEL_PREFIX "."
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/************************[ Debugger stuff ]*********************************/
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@ -174,7 +174,7 @@ OBJ_GRPS = STD DIV
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# Floating point emulation functions
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#
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.if ${TARGET_ARCH} == "armNOT_YET" || ${TARGET_ARCH} == "powerpc" || \
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${TARGET_ARCH} == "sparc64"
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${TARGET_ARCH} == "sparc64" || ${TARGET_ARCH} == "mips"
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FPBIT_CFLAGS = -DFINE_GRAINED_LIBRARIES -DFLOAT
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DPBIT_CFLAGS = -DFINE_GRAINED_LIBRARIES
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@ -24,7 +24,7 @@ VERSION_MAP= ${SRCDIR}/libgomp.map
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# Target-specific OpenMP configuration
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.if ${MACHINE_ARCH} == arm || ${MACHINE_ARCH} == i386 || \
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${MACHINE_ARCH} == powerpc
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${MACHINE_ARCH} == powerpc || ${MACHINE_ARCH} == mips
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OMP_LOCK_ALIGN = 4
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OMP_LOCK_KIND= 4
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OMP_LOCK_SIZE= 4
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@ -59,7 +59,7 @@
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#define HAVE_SYS_TYPES_H 1
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/* Define to 1 if the target supports thread-local storage. */
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#if !defined(__sparc64__) && !defined(__arm__)
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#if !defined(__sparc64__) && !defined(__arm__) && !defined(__mips__)
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#define HAVE_TLS 1
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#endif
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@ -15,6 +15,9 @@ GCC_CPU= ${TARGET_ARCH}
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.if ${TARGET_ARCH} == "ia64"
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TARGET_CPU_DEFAULT= MASK_GNU_AS|MASK_GNU_LD
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.endif
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.if ${TARGET_ARCH} == "mips"
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TARGET_CPU_DEFAULT= 16
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.endif
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.if ${TARGET_ARCH} == "sparc64"
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TARGET_CPU_DEFAULT= TARGET_CPU_ultrasparc
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.endif
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@ -33,6 +33,7 @@ TARGET_INC+= ${GCC_CPU}/unix.h
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TARGET_INC+= ${GCC_CPU}/att.h
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.endif
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TARGET_INC+= dbxelf.h
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TARGET_INC+= elfos-undef.h
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TARGET_INC+= elfos.h
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TARGET_INC+= freebsd-native.h
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TARGET_INC+= freebsd-spec.h
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@ -45,7 +46,7 @@ TARGET_INC+= ${GCC_CPU}/sysv4.h
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.if ${TARGET_ARCH} == "amd64"
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TARGET_INC+= ${GCC_CPU}/x86-64.h
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.endif
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.if ${TARGET_ARCH} == "arm"
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.if ${TARGET_ARCH} == "arm" || ${TARGET_ARCH} == "mips"
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TARGET_INC+= ${GCC_CPU}/elf.h
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.endif
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.if ${TARGET_ARCH} == "arm"
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9
gnu/usr.bin/cc/cc_tools/elfos-undef.h
Normal file
9
gnu/usr.bin/cc/cc_tools/elfos-undef.h
Normal file
@ -0,0 +1,9 @@
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/* $FreeBSD$ */
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/* This header exists to avoid editing contrib/gcc/config/elfos.h - which
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isn't coded to be defensive as it should... */
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#undef ASM_DECLARE_OBJECT_NAME
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#undef ASM_OUTPUT_IDENT
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#undef IDENT_ASM_OP
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#undef READONLY_DATA_SECTION_ASM_OP
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