GCC+binutils: Added basic support for KolibriOS

Signed-off-by: Maxim Logaev <maxlogaev@proton.me>

.gitignore

@@ -30,3 +30,7 @@
 *.exe
 *.out
 *.app
+
+# Build dirs
+toolchain/binutils/build
+toolchain/gcc/build

build-toolchain.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+
+# Copyright (C) KolibriOS-NG team 2024. All rights reserved
+# Distributed under terms of the GNU General Public License
+
+source scripts/start-recipe
+
+ROOT_DIR="$PWD"
+PATH=$PATH:"$SDK_TOOLCHAIN_DIR/bin"
+
+declare -a DIRS=(
+    "toolchain/binutils"
+    "toolchain/gcc"
+)
+
+BUILD()
+{
+    for dir in "${DIRS[@]}" ; do
+        cd "$ROOT_DIR/$dir"
+        ./kos-recipe.sh
+    done
+}
+
+INSTALL()
+{
+    :;
+    # "For root recipes, installation is performed in BUILD"
+}
+
+CLEAN()
+{
+    for dir in "${DIRS[@]}" ; do
+        cd "$ROOT_DIR/$dir"
+        ./kos-recipe.sh --clean
+    done
+}
+
+source scripts/end-recipe

scripts/end-recipe

@@ -0,0 +1,32 @@
+# Copyright (C) KolibriOS-NG team 2024. All rights reserved
+# Distributed under terms of the GNU General Public License
+
+show_help()
+{
+cat << EOF
+usage: $0 [OPTION]
+Options:
+  --build           run recipe build
+  --install         run recipe install (stub for root scripts)
+  --clean           remove build artifacts
+  --help            show this help
+
+Running without parameters is equivalent to running:
+'--build' and '--install'
+
+Warning: Run the script only from the directory where it is located!
+EOF
+}
+
+if [[ $# -eq 0 ]]; then
+    BUILD
+    INSTALL
+else
+    case $1 in
+        "--build" ) BUILD ;;
+        "--install" ) INSTALL ;;
+        "--clean" ) CLEAN ;;
+        "--help" ) show_help ;;
+        *) fatal "Unknown argument!"
+    esac
+fi

scripts/start-recipe

@@ -0,0 +1,17 @@
+set -eu
+
+TARGET=i586-kolibrios
+SDK_TOOLCHAIN_DIR=/opt/kolibrios-sdk/toolchain
+SDK_SYSROOT_DIR=/opt/kolibrios-sdk/sysroot
+NUM_JOBS=8
+
+msg()
+{
+    echo -e "\e[32m$1\e[0m"
+}
+
+fatal()
+{
+    echo -e "\e[31m$1\e[0m"
+    exit 1
+}

toolchain/binutils/bfd/config.bfd

@@ -778,6 +778,11 @@ case "${targ}" in
     targ_selvecs="i386_pe_vec i386_pe_big_vec i386_pei_vec i386_elf32_vec iamcu_elf32_vec pdb_vec"
     targ_underscore=yes
     ;;
+  i[3-7]86-*-kolibrios*)
+    targ_defvec=i386_pe_vec
+    targ_selvecs="i386_pe_vec i386_pei_vec"
+    targ_underscore=yes
+    ;;
   i[3-7]86-*-vxworks*)
     targ_defvec=i386_elf32_vxworks_vec
     targ_underscore=yes

toolchain/binutils/binutils/configure

@@ -14626,7 +14626,7 @@ do
 	  BUILD_WINDMC='$(WINDMC_PROG)$(EXEEXT)'
 	  BUILD_DLLWRAP='$(DLLWRAP_PROG)$(EXEEXT)'
 	  ;;
-	i[3-7]86-*-interix)
+	i[3-7]86-*-interix | i[3-7]86-*-kolibrios*)
 	  BUILD_DLLTOOL='$(DLLTOOL_PROG)'
 	  if test -z "$DLLTOOL_DEFAULT"; then
 	    DLLTOOL_DEFAULT="-DDLLTOOL_DEFAULT_I386"
@@ -14685,7 +14685,7 @@ do
 	powerpc*-*-aix* | rs6000-*-aix*)
 	  od_vectors="$od_vectors objdump_private_desc_xcoff"
 	  ;;
-	*-*-pe* | *-*-cygwin* | *-*-mingw*)
+	*-*-pe* | *-*-cygwin* | *-*-mingw* | *-*-kolibrios*)
 	  od_vectors="$od_vectors objdump_private_desc_pe"
 	  ;;
         *-*-darwin*)

toolchain/binutils/config.sub

@@ -399,6 +399,10 @@ case $1 in
 				basic_machine=arm-unknown
 				basic_os=mingw32ce
 				;;
+			kolibrios)
+				basic_machine=i586-pc
+				basic_os=kolibrios
+				;;
 			monitor)
 				basic_machine=m68k-rom68k
 				basic_os=coff
@@ -1758,7 +1762,7 @@ case $os in
 	     | onefs* | tirtos* | phoenix* | fuchsia* | redox* | bme* \
 	     | midnightbsd* | amdhsa* | unleashed* | emscripten* | wasi* \
 	     | nsk* | powerunix* | genode* | zvmoe* | qnx* | emx* | zephyr* \
-	     | fiwix* | mlibc* )
+	     | fiwix* | mlibc* | kolibrios*)
 		;;
 	# This one is extra strict with allowed versions
 	sco3.2v2 | sco3.2v[4-9]* | sco5v6*)

toolchain/binutils/gas/configure.tgt

@@ -250,6 +250,7 @@ case ${generic_target} in
   i386-*-msdos*)			fmt=aout ;;
   i386-*-moss*)				fmt=elf ;;
   i386-*-pe)				fmt=coff em=pe ;;
+  i386-*-kolibrios*)				fmt=coff em=pe ;;
   i386-*-cygwin*)
    case ${cpu} in
      x86_64*)				fmt=coff em=pep ;;

toolchain/binutils/kos-recipe.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+
+source ../../scripts/start-recipe
+
+BUILD()
+{
+    mkdir -p build
+    cd build
+    ../configure --target=$TARGET \
+                 --prefix="$SDK_TOOLCHAIN_DIR" \
+                 --with-sysroot="$SDK_SYSROOT_DIR" \
+                 --disable-werror \
+                 --disable-nls \
+                 --disable-intl \
+                 --disable-sim \
+                 --disable-gdb \
+                 --enable-shared
+
+    make -j$NUM_JOBS
+    msg "Binutils build successful!"
+    cd ..
+}
+
+INSTALL()
+{
+    cd build
+    make install-strip
+    msg "Binutils install successful!"
+    cd ..
+}
+
+CLEAN()
+{
+    rm -rf build
+    msg "Binutils build artifacts removed!"
+}
+
+source ../../scripts/end-recipe

toolchain/binutils/ld/configure.tgt

@@ -430,6 +430,9 @@ i[3-7]86-*-cygwin*)	targ_emul=i386pe ;
 i[3-7]86-*-mingw32*)	targ_emul=i386pe ;
 			targ_extra_ofiles="deffilep.o pdb.o pe-dll.o"
 			;;
+i[3-7]86-*-kolibrios*)	targ_emul=i386pe ;
+			targ_extra_ofiles="deffilep.o pe-dll.o"
+			;;
 i[3-7]86-*-interix*)	targ_emul=i386pe_posix;
 			targ_extra_ofiles="deffilep.o pe-dll.o"
 			;;

toolchain/gcc/config.sub

@@ -395,6 +395,10 @@ case $1 in
 				basic_machine=i686-pc
 				basic_os=mingw32
 				;;
+			kolibrios)
+				basic_machine=i586-pc
+				basic_os=kolibrios
+				;;
 			mingw32ce)
 				basic_machine=arm-unknown
 				basic_os=mingw32ce
@@ -1749,7 +1753,7 @@ case $os in
 	     | onefs* | tirtos* | phoenix* | fuchsia* | redox* | bme* \
 	     | midnightbsd* | amdhsa* | unleashed* | emscripten* | wasi* \
 	     | nsk* | powerunix* | genode* | zvmoe* | qnx* | emx* | zephyr* \
-	     | fiwix* )
+	     | fiwix* | kolibrios*)
 		;;
 	# This one is extra strict with allowed versions
 	sco3.2v2 | sco3.2v[4-9]* | sco5v6*)

toolchain/gcc/fixincludes/mkfixinc.sh

@@ -13,6 +13,7 @@ target=fixinc.sh
 case $machine in
     i?86-*-cygwin* | \
     i?86-*-mingw32* | \
+    i?86-*-kolibrios* | \
     x86_64-*-mingw32* | \
     powerpc-*-eabisim* | \
     powerpc-*-eabi*    | \

toolchain/gcc/gcc/config.gcc

@@ -2102,6 +2102,29 @@ i[34567]86-*-cygwin*)
 	default_use_cxa_atexit=yes
 	use_gcc_stdint=wrap
 	;;
+i[34567]86-*-kolibrios*)
+	tm_file="${tm_file} i386/unix.h i386/bsd.h i386/gas.h i386/cygming.h i386/kolibrios.h i386/mingw-stdint.h"
+	tm_defines="${tm_defines} TARGET_KOLIBRIOS=1"
+	c_target_objs="${c_target_objs} winnt-c.o"
+	cxx_target_objs="${cxx_target_objs} winnt-c.o"
+	d_target_objs="${d_target_objs} winnt-d.o"
+	tmake_file="${tmake_file} t-winnt i386/t-cygming t-slibgcc"
+    native_system_header_dir=/include
+	target_gtfiles="$target_gtfiles \$(srcdir)/config/i386/winnt.cc"
+	extra_options="${extra_options} i386/kolibrios.opt"
+	extra_objs="${extra_objs} winnt.o winnt-stubs.o"
+	cxx_target_objs="${cxx_target_objs} winnt-cxx.o"
+	target_has_targetcm="yes"
+	target_has_targetdm="yes"
+	gas=yes
+	gnu_ld=yes
+	default_use_cxa_atexit=yes
+	use_gcc_stdint=wrap
+	if test x$enable_threads = xyes; then
+		# Not supported yet!
+		thread_file='posix'
+	fi
+;;
 x86_64-*-cygwin*)
 	need_64bit_isa=yes
 	tm_file="${tm_file} i386/unix.h i386/bsd.h i386/gas.h i386/cygming.h i386/cygwin.h i386/cygwin-w64.h i386/cygwin-stdint.h"

toolchain/gcc/gcc/config/i386/cygming.h

@@ -124,6 +124,12 @@ along with GCC; see the file COPYING3.  If not see
 
 #define TARGET_EXECUTABLE_SUFFIX ".exe"
 
+#ifdef TARGET_KOLIBRIOS
+	#define CYGMING_BUILTIN_ASSERT builtin_assert ("system=kolibrios");
+#else
+	#define CYGMING_BUILTIN_ASSERT builtin_assert ("system=winnt");
+#endif
+
 #define TARGET_OS_CPP_BUILTINS()					\
   do									\
     {									\
@@ -131,7 +137,7 @@ along with GCC; see the file COPYING3.  If not see
 	  builtin_define ("_X86_=1");					\
 	if (TARGET_SEH)							\
 	  builtin_define ("__SEH__");				\
-	builtin_assert ("system=winnt");				\
+	CYGMING_BUILTIN_ASSERT  \
 	builtin_define ("__stdcall=__attribute__((__stdcall__))");	\
 	builtin_define ("__fastcall=__attribute__((__fastcall__))");	\
 	builtin_define ("__thiscall=__attribute__((__thiscall__))");	\

toolchain/gcc/gcc/config/i386/kolibrios.h

@@ -0,0 +1,77 @@
+/* Operating system specific defines to be used when targeting
+   GCC for KolibriOS
+   Copyright (C) 1997-2023 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/>.
+
+Copyright (C) KolibriOS team 2024. All rights reserved.
+Distributed under terms of the GNU General Public License */
+
+/* Additional predefined macros. */
+#define EXTRA_OS_CPP_BUILTINS() \
+  do  \
+    { \
+      builtin_define ("__KOS__");           \
+      builtin_define ("__KOLIBRIOS__");     \
+      builtin_define ("_KOLIBRI");          \
+      builtin_define ("KOLIBRI");           \
+    }                                       \
+  while (0)
+
+/* Always link libgcc */
+#undef LIBGCC_SPEC
+#define LIBGCC_SPEC "-lgcc"
+
+#undef REAL_LIBGCC_SPEC
+#define REAL_LIBGCC_SPEC LIBGCC_SPEC
+
+/* For KolibriOS applications always link libc.a */
+#undef LIB_SPEC
+#define LIB_SPEC "%{!shared: %{!mdll: -Tkos-app.lds}} -lc"
+
+#define LINK_SPEC "%{mwindows:--subsystem windows} \
+  %{mconsole:--subsystem console} \
+  %{shared: %{mdll: %eshared and mdll are not compatible}} \
+  %{shared: --shared} %{mdll: --dll} \
+  %{shared|mdll: --image-base=0} \
+  %{!shared: %{!mdll: -Bstatic --image-base=0}} --file-alignment=16 --section-alignment=16"
+
+/* Stub! Start file not used. */
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC ""
+
+/* Stub! End file not used. */
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC ""
+
+/* Running objcopy for KolibriOS applications */
+#undef POST_LINK_SPEC
+#define POST_LINK_SPEC "%{!shared: %{!mdll: i586-kolibrios-objcopy -Obinary %{o*:%*} %{!o*:a.exe} }}"
+
+/* Native header directory */
+#undef NATIVE_SYSTEM_HEADER_DIR
+#define NATIVE_SYSTEM_HEADER_DIR "/include"
+
+/* Don't use ".exe" suffix by default for KolibriOS */
+#undef TARGET_EXECUTABLE_SUFFIX
+#define TARGET_EXECUTABLE_SUFFIX ""
+
+/* Stub! "-pthread" is not supported for KolibriOS. */
+#undef GOMP_SELF_SPECS
+#define GOMP_SELF_SPECS ""
+#undef GTM_SELF_SPECS
+#define GTM_SELF_SPECS ""

toolchain/gcc/gcc/config/i386/kolibrios.opt

@@ -0,0 +1,51 @@
+; KolibriOS-specific options (For MinGW compatibility).
+
+; Copyright (C) 2005-2023 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/>.
+;
+; Copyright (C) KolibriOS team 2024. All rights reserved.
+; Distributed under terms of the GNU General Public License
+
+mconsole
+Target RejectNegative
+Create console application.
+
+mdll
+Target RejectNegative
+Generate code for a DLL.
+
+mnop-fun-dllimport
+Target Var(TARGET_NOP_FUN_DLLIMPORT)
+Ignore dllimport for functions.
+
+mwindows
+Target
+Create GUI application.
+
+mpe-aligned-commons
+Target Var(use_pe_aligned_common) Init(HAVE_GAS_ALIGNED_COMM)
+Use the GNU extension to the PE format for aligned common data.
+
+posix
+Driver
+
+fwritable-relocated-rdata
+Common Var(flag_writable_rel_rdata) Init(0)
+Put relocated read-only data into .data section.
+
+; Retain blank line above

toolchain/gcc/gcc/configure

@@ -13012,7 +13012,7 @@ case ${enable_threads} in
     target_thread_file='single'
     ;;
   aix | dce | lynx | mipssde | posix | rtems | \
-  single | tpf | vxworks | win32 | mcf)
+  single | tpf | vxworks | win32 | mcf | kolibrios)
     target_thread_file=${enable_threads}
     ;;
   *)

toolchain/gcc/kos-recipe.sh

@@ -0,0 +1,51 @@
+#!/bin/bash
+
+# Copyright (C) KolibriOS-NG team 2024. All rights reserved
+# Distributed under terms of the GNU General Public License
+
+source ../../scripts/start-recipe
+
+BUILD()
+{
+    mkdir -p "$SDK_SYSROOT_DIR"
+    cp -af ../../libraries/newlib/newlib/libc/include/. "$SDK_SYSROOT_DIR/include"
+    msg "Newlib headers install successful!"
+
+    mkdir -p build
+    cd build
+
+    ../configure --target=$TARGET \
+                 --prefix="$SDK_TOOLCHAIN_DIR" \
+                 --with-sysroot="$SDK_SYSROOT_DIR" \
+                 --disable-nls \
+                 --enable-shared \
+                 --enable-languages=c
+
+    make -j$NUM_JOBS all-gcc
+    msg "GCC build successful!"
+
+    make -j$NUM_JOBS all-target-libgcc
+    msg "Libgcc build successful!"
+
+    cd ..
+}
+
+INSTALL()
+{
+    cd build
+    make install-strip-gcc
+    msg "GCC install successful!"
+
+    make install-target-libgcc
+    msg "Libgcc install successful!"
+
+    cd ..
+}
+
+CLEAN()
+{
+    rm -rf build
+    msg "GCC build artifacts removed!"
+}
+
+source ../../scripts/end-recipe

toolchain/gcc/libgcc/config.host

@@ -837,6 +837,9 @@ x86_64-*-cygwin*)
 	# FIXME - dj - t-chkstk used to be in here, need a 64-bit version of that
 	tmake_file="${tmake_file} ${tmake_eh_file} ${tmake_dlldir_file} i386/t-slibgcc-cygming i386/t-cygming i386/t-cygwin t-crtfm t-dfprules i386/t-chkstk"
 	;;
+i[34567]86-*-kolibrios*)
+	tmake_file="${tmake_file} i386/t-chkstk
+	esac
 i[34567]86-*-mingw*)
 	extra_parts="crtbegin.o crtend.o crtfastmath.o"
 	if test x$enable_vtable_verify = xyes; then