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xtensa: add uclinux support
2015-10-03 Max Filippov <jcmvbkbc@gmail.com> gcc/ * config.gcc (xtensa*-*-uclinux*): New configuration. * config/xtensa/uclinux.h: New file. * config/xtensa/uclinux.opt: New file. libgcc/ * config.host (xtensa*-*-uclinux*): New configuration. From-SVN: r228450
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Max Filippov
Max Filippov
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@ -1,3 +1,9 @@
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2015-10-03 Max Filippov <jcmvbkbc@gmail.com>
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* config.gcc (xtensa*-*-uclinux*): New configuration.
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* config/xtensa/uclinux.h: New file.
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* config/xtensa/uclinux.opt: New file.
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2015-10-03 Jonathan Wakely <jwakely@redhat.com>
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* doc/cpp.texi (Standard Predefined Macros): Document value of
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@ -2995,6 +2995,11 @@ xtensa*-*-linux*)
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tm_file="${tm_file} dbxelf.h elfos.h gnu-user.h linux.h glibc-stdint.h xtensa/linux.h"
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tmake_file="${tmake_file} xtensa/t-xtensa"
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;;
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xtensa*-*-uclinux*)
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tm_file="${tm_file} dbxelf.h elfos.h gnu-user.h linux.h glibc-stdint.h xtensa/uclinux.h"
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tmake_file="${tmake_file} xtensa/t-xtensa"
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extra_options="${extra_options} xtensa/uclinux.opt"
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;;
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am33_2.0-*-linux*)
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tm_file="mn10300/mn10300.h dbxelf.h elfos.h gnu-user.h linux.h glibc-stdint.h mn10300/linux.h"
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gas=yes gnu_ld=yes
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69
gcc/config/xtensa/uclinux.h
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69
gcc/config/xtensa/uclinux.h
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@ -0,0 +1,69 @@
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/* Xtensa uClinux configuration.
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Derived from the configuration for GCC for Intel i386 running Linux.
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Copyright (C) 2001-2015 Free Software Foundation, Inc.
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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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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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version.
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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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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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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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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#undef TARGET_OS_CPP_BUILTINS
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#define TARGET_OS_CPP_BUILTINS() \
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do \
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{ \
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GNU_USER_TARGET_OS_CPP_BUILTINS (); \
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builtin_define ("__uClinux__"); \
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} \
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while (0)
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#undef SUBTARGET_CPP_SPEC
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#define SUBTARGET_CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
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#undef SIZE_TYPE
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#define SIZE_TYPE "unsigned int"
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#undef PTRDIFF_TYPE
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#define PTRDIFF_TYPE "int"
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#undef WCHAR_TYPE
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#define WCHAR_TYPE "long int"
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#undef WCHAR_TYPE_SIZE
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#define WCHAR_TYPE_SIZE 32
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#undef ASM_SPEC
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#define ASM_SPEC \
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"%{mtext-section-literals:--text-section-literals} \
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%{mno-text-section-literals:--no-text-section-literals} \
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%{mtarget-align:--target-align} \
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%{mno-target-align:--no-target-align} \
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%{mlongcalls:--longcalls} \
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%{mno-longcalls:--no-longcalls} \
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%{mauto-litpools:--auto-litpools} \
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%{mno-auto-litpools:--no-auto-litpools}"
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#undef LINK_SPEC
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#define LINK_SPEC "%{!no-elf2flt:%{!elf2flt*:-elf2flt}}"
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#undef LOCAL_LABEL_PREFIX
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#define LOCAL_LABEL_PREFIX "."
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/* Always enable "-fpic" for Xtensa Linux. */
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#define XTENSA_ALWAYS_PIC 1
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#undef TARGET_LIBC_HAS_FUNCTION
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#define TARGET_LIBC_HAS_FUNCTION no_c99_libc_has_function
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#undef DBX_REGISTER_NUMBER
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32
gcc/config/xtensa/uclinux.opt
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32
gcc/config/xtensa/uclinux.opt
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; Xtensa uClinux options.
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; Copyright (C) 2015 Free Software Foundation, Inc.
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;
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; This file is part of GCC.
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;
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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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; Software Foundation; either version 3, or (at your option) any later
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; version.
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;
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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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; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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; for more details.
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;
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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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; <http://www.gnu.org/licenses/>.
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; See the GCC internals manual (options.texi) for a description of
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; this file's format.
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; Please try to keep this file in ASCII collating order.
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elf2flt
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Driver
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elf2flt=
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Driver JoinedOrMissing
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; This comment is to ensure we retain the blank line above.
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@ -1,3 +1,7 @@
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2015-10-03 Max Filippov <jcmvbkbc@gmail.com>
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* config.host (xtensa*-*-uclinux*): New configuration.
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2015-10-02 Kirill Yukhin <kirill.yukhin@intel.com>
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* config/i386/cpuinfo.c (processor_features): Add
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@ -1295,6 +1295,11 @@ xtensa*-*-linux*)
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tmake_file="$tmake_file xtensa/t-xtensa xtensa/t-linux t-slibgcc-libgcc"
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md_unwind_header=xtensa/linux-unwind.h
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;;
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xtensa*-*-uclinux*)
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tmake_file="$tmake_file xtensa/t-xtensa xtensa/t-linux t-slibgcc-libgcc"
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md_unwind_header=xtensa/linux-unwind.h
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extra_parts="$extra_parts crtbeginS.o crtbeginT.o crtendS.o"
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;;
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am33_2.0-*-linux*)
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# Don't need crtbeginT.o from *-*-linux* default.
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extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o"
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