Hi All, I'm trying to port GCC 5.2.0 (with intention to send it here later) for new target OS - Phoenix-RTOS. However I'm experiencing compilation error and I can't figure out why. Port is supposed to work for ARM Cortex-A5.
Here is my patch, that I try to apply: --------------------------------------------------------------- diff -Nrdu gcc-5.2.0/config.sub gcc-5.2.0_phoenix/config.sub --- gcc-5.2.0/config.sub 2015-01-02 10:30:21.000000000 +0100 +++ gcc-5.2.0_phoenix/config.sub 2016-03-31 15:09:01.559741852 +0200 @@ -1527,6 +1527,9 @@ ;; -none) ;; + -phoenix*) + os=-phoenix + ;; *) # Get rid of the `-' at the beginning of $os. os=`echo $os | sed 's/[^-]*-//'` diff -Nrdu gcc-5.2.0/gcc/config/arm/t-phoenix gcc-5.2.0_phoenix/gcc/config/arm/t-phoenix --- gcc-5.2.0/gcc/config/arm/t-phoenix 1970-01-01 01:00:00.000000000 +0100 +++ gcc-5.2.0_phoenix/gcc/config/arm/t-phoenix 2016-04-01 14:21:05.808343437 +0200 @@ -0,0 +1,29 @@ +# Copyright (C) 1998-2015 Free Software Foundation, Inc. +# +# This file is part of GCC. +# +# GCC is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3, or (at your option) +# any later version. +# +# GCC is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with GCC; see the file COPYING3. If not see +# <http://www.gnu.org/licenses/>. + +MULTILIB_OPTIONS = marm/mthumb +MULTILIB_DIRNAMES = arm thumb +MULTILIB_EXCEPTIONS = +MULTILIB_MATCHES = + +MULTILIB_OPTIONS += mfloat-abi=hard +MULTILIB_DIRNAMES += fpu +MULTILIB_MATCHES += mfloat-abi?hard=mhard-float + +MULTILIB_OPTIONS += mno-thumb-interwork/mthumb-interwork +MULTILIB_DIRNAMES += normal interwork diff -Nrdu gcc-5.2.0/gcc/config/phoenix.h gcc-5.2.0_phoenix/gcc/config/phoenix.h --- gcc-5.2.0/gcc/config/phoenix.h 1970-01-01 01:00:00.000000000 +0100 +++ gcc-5.2.0_phoenix/gcc/config/phoenix.h 2016-04-01 12:54:35.632836509 +0200 @@ -0,0 +1,32 @@ +/* Copyright (C) 1998-2015 Free Software Foundation, Inc. + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 3, or (at your option) +any later version. + +GCC is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING3. If not see +<http://www.gnu.org/licenses/>. */ + +#undef TARGET_OS_CPP_BUILTINS +#define TARGET_OS_CPP_BUILTINS() \ + do { \ + builtin_define_std ("phoenix"); \ + builtin_define_std ("unix"); \ + builtin_assert ("system=phoenix"); \ + builtin_assert ("system=unix"); \ + } while(0); + +#define STD_LIB_SPEC "%{!shared:%{g*:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}}" + +/* This will prevent selecting 'unsigned long int' instead of 'unsigned int' as 'uint32_t' in stdint-newlib.h. */ +#undef STDINT_LONG32 +#define STDINT_LONG32 0 diff -Nrdu gcc-5.2.0/gcc/config.gcc gcc-5.2.0_phoenix/gcc/config.gcc --- gcc-5.2.0/gcc/config.gcc 2015-07-02 17:53:33.000000000 +0200 +++ gcc-5.2.0_phoenix/gcc/config.gcc 2016-04-06 09:54:51.150181809 +0200 @@ -868,6 +868,11 @@ *) echo 'Unknown thread configuration for VxWorks'; exit 1 ;; esac ;; +*-*-phoenix*) + gas=yes + gnu_ld=yes + default_use_cxa_atexit=yes + ;; *-*-elf|arc*-*-elf*) # Assume that newlib is being used and so __cxa_atexit is provided. default_use_cxa_atexit=yes @@ -1088,6 +1093,10 @@ esac tm_file="${tm_file} arm/aout.h vxworks-dummy.h arm/arm.h" ;; +arm*-*-phoenix*) + tm_file="dbxelf.h elfos.h newlib-stdint.h arm/unknown-elf.h arm/elf.h arm/aout.h phoenix.h arm/arm.h" + tmake_file="${tmake_file} arm/t-arm arm/t-phoenix" + ;; avr-*-rtems*) tm_file="elfos.h avr/elf.h avr/avr-arch.h avr/avr.h avr/specs.h dbxelf.h avr/rtems.h rtems.h newlib-stdint.h" tm_defines="${tm_defines} WITH_RTEMS" diff -Nrdu gcc-5.2.0/libgcc/config/arm/t-phoenix gcc-5.2.0_phoenix/libgcc/config/arm/t-phoenix --- gcc-5.2.0/libgcc/config/arm/t-phoenix 1970-01-01 01:00:00.000000000 +0100 +++ gcc-5.2.0_phoenix/libgcc/config/arm/t-phoenix 2016-04-05 10:31:15.881370580 +0200 @@ -0,0 +1 @@ +HOST_LIBGCC2_CFLAGS += -mthumb-interwork diff -Nrdu gcc-5.2.0/libgcc/config.host gcc-5.2.0_phoenix/libgcc/config.host --- gcc-5.2.0/libgcc/config.host 2015-06-25 19:55:02.000000000 +0200 +++ gcc-5.2.0_phoenix/libgcc/config.host 2016-04-05 10:37:14.127783472 +0200 @@ -408,6 +408,10 @@ tmake_file="$tmake_file t-softfp-sfdf t-softfp-excl arm/t-softfp t-softfp" unwind_header=config/arm/unwind-arm.h ;; +arm*-*-phoenix*) + tmake_file="t-hardfp t-softfp arm/t-arm arm/t-elf arm/t-softfp arm/t-phoenix" + extra_parts="crtbegin.o crtend.o crti.o crtn.o" + ;; avr-*-rtems*) tmake_file="$tmake_file avr/t-avr avr/t-rtems t-fpbit" tm_file="$tm_file avr/avr-lib.h" --------------------------------------------------------------- And here is compilation error: --------------------------------------------------------------- Adding multilib support to Makefile in /home/kuba/Projects/phoenix-rtos/toolchain/arm/gcc-5.2.0/libgcc with_multisubdir=thumb/fpu/interwork /home/kuba/Projects/phoenix-rtos/toolchain/arm/gcc-5.2.0/libgcc/crtstuff.c: In function '__do_global_dtors_aux': /home/kuba/Projects/phoenix-rtos/toolchain/arm/gcc-5.2.0/libgcc/crtstuff.c:404:26: error: '__DTOR_LIST__' undeclared (first use in this function) static func_ptr *p = __DTOR_LIST__ + 1; ^ /home/kuba/Projects/phoenix-rtos/toolchain/arm/gcc-5.2.0/libgcc/crtstuff.c:404:26: note: each undeclared identifier is reported only once for each function it appears in /home/kuba/Projects/phoenix-rtos/toolchain/arm/gcc-5.2.0/libgcc/crtstuff.c: In function '__do_global_ctors_aux': /home/kuba/Projects/phoenix-rtos/toolchain/arm/gcc-5.2.0/libgcc/crtstuff.c:706:12: error: '__CTOR_END__' undeclared (first use in this function) for (p = __CTOR_END__ - 1; *p != (func_ptr) -1; p--) ^ /home/kuba/Projects/phoenix-rtos/toolchain/arm/gcc-5.2.0/libgcc/crtstuff.c:706:12: note: each undeclared identifier is reported only once for each function it appears in Makefile:983: recipe for target 'crtbegin.o' failed make[2]: *** [crtbegin.o] Error 1 make[2]: *** Waiting for unfinished jobs.... Makefile:986: recipe for target 'crtend.o' failed make[2]: *** [crtend.o] Error 1 /home/kuba/Projects/phoenix-rtos/toolchain/arm/gcc-5.2.0/libgcc/crtstuff.c: In function '__do_global_dtors_aux': /home/kuba/Projects/phoenix-rtos/toolchain/arm/gcc-5.2.0/libgcc/crtstuff.c:404:26: error: '__DTOR_LIST__' undeclared (first use in this function) static func_ptr *p = __DTOR_LIST__ + 1; ^ /home/kuba/Projects/phoenix-rtos/toolchain/arm/gcc-5.2.0/libgcc/crtstuff.c:404:26: note: each undeclared identifier is reported only once for each function it appears in Makefile:983: recipe for target 'crtbegin.o' failed make[4]: *** [crtbegin.o] Error 1 Makefile:1154: recipe for target 'multi-do' failed make[3]: *** [multi-do] Error 1 Makefile:117: recipe for target 'all-multi' failed make[2]: *** [all-multi] Error 2 Makefile:10963: recipe for target 'all-target-libgcc' failed make[1]: *** [all-target-libgcc] Error 2 Makefile:87: recipe for target 'toolchain' failed make: *** [toolchain] Error 2 --------------------------------------------------------------- I have noticed, that hacking gcc/config/arm/arm.h like this, does the trick: diff -Nrdu gcc-5.2.0/gcc/config/arm/arm.h gcc-5.2.0_phoenix/gcc/config/arm/arm.h --- gcc-5.2.0/gcc/config/arm/arm.h 2015-02-26 05:03:22.000000000 +0100 +++ gcc-5.2.0_phoenix/gcc/config/arm/arm.h 2016-04-06 10:01:20.728612662 +0200 @@ -1905,7 +1905,7 @@ #else /* !defined (IN_LIBGCC2) */ /* In libgcc, CTORS_SECTION_ASM_OP must be a compile-time constant, so we cannot use the definition above. */ -# ifdef __ARM_EABI__ +# if 0 /* def __ARM_EABI__ */ /* The .ctors section is not part of the EABI, so we do not define CTORS_SECTION_ASM_OP when in libgcc; that prevents crtstuff from trying to use it. We do define it when doing normal I call configure like this: ./configure --target=$CROSS_TARGET --prefix=$TOOLCHAIN_ROOT --enable-languages=c --disable-libssp --with-gmp=$TOOLCHAIN_ROOT --with-mpfr=$TOOLCHAIN_ROOT --with-mpc=$TOOLCHAIN_ROOT --disable-nls --with-newlib --with-sysroot=${TOOLCHAIN_ROOT}${CROSS_TARGET} --with-arch=armv7-a --with-fpu=neon-vfpv4 --with-mode=thumb --with-abi=aapcs --enable-interwork Can anyone help me? Thanks, Jakub Sejdak
