Add Redox support

redox-os · Nov 2, 2016 · 37820fd5d9a7c9037a4a1be0816610cbd00ae59d · 37820fd
1 parent c5d9a66
commit 37820fd5d9a7c9037a4a1be0816610cbd00ae59d
Unified Split

Showing with 6,030 additions and 2 deletions.

+2 −0 fixincludes/mkfixinc.sh

+13 −2 gcc/config.gcc

+24 −0 gcc/config/redox.h

+8 −0 libgcc/config.host

+5,977 −0 libstdc++-v3/configure

+6 −0 libstdc++-v3/crossconfig.m4
diff --git a/fixincludes/mkfixinc.sh b/fixincludes/mkfixinc.sh
@@ -12,6 +12,8 @@ target=fixinc.sh
 # Check for special fix rules for particular targets
 case $machine in
    i?86-*-cygwin* | \
+    i?86-*-redox* | \
+    x86_64-*-redox* | \
    i?86-*-mingw32* | \
    x86_64-*-mingw32* | \
    powerpc-*-eabisim* | \
diff --git a/gcc/config.gcc b/gcc/config.gcc
@@ -174,7 +174,7 @@
 #			the --with-sysroot configure option or the
 #			--sysroot command line option is used this
 #			will be relative to the sysroot.
-# target_type_format_char 
+# target_type_format_char
 # 			The default character to be used for formatting
 #			the attribute in a
 #			.type symbol_name, ${t_t_f_c}<property>
@@ -773,6 +773,11 @@ case ${target} in
  tmake_file="${tmake_file} t-glibc"
  target_has_targetcm=yes
  ;;
+*-*-redox*)
+  gas=yes
+  gnu_ld=yes
+  default_use_cxa_atexit=yes
+  ;;
 *-*-netbsd*)
  tmake_file="t-slibgcc"
  gas=yes
@@ -1608,6 +1613,12 @@ x86_64-*-linux* | x86_64-*-kfreebsd*-gnu)
 	done
 	TM_MULTILIB_CONFIG=`echo $TM_MULTILIB_CONFIG | sed 's/^,//'`
 	;;
+i[34567]86-*-redox*)
+	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h i386/i386elf.h redox.h newlib-stdint.h"
+	;;
+x86_64-*-redox*)
+	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h i386/i386elf.h i386/x86-64.h redox.h newlib-stdint.h"
+	;;
 i[34567]86-pc-msdosdjgpp*)
 	xm_file=i386/xm-djgpp.h
 	tm_file="dbxcoff.h ${tm_file} i386/unix.h i386/bsd.h i386/gas.h i386/djgpp.h i386/djgpp-stdint.h"
@@ -3387,7 +3398,7 @@ if test x$with_cpu = x ; then
         with_cpu=8548
      else
         with_cpu=8540
-      fi       
+      fi
      ;;
    sparc*-*-*)
      case ${target} in
diff --git a/gcc/config/redox.h b/gcc/config/redox.h
@@ -0,0 +1,24 @@
+#undef TARGET_REDOX
+#define TARGET_REDOX 1
+
+#undef LIB_SPEC
+#define LIB_SPEC "-lc"
+
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC "crt0.o%s"
+
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC   ""
+
+#undef  NO_IMPLICIT_EXTERN_C
+#define NO_IMPLICIT_EXTERN_C 1
+
+#undef TARGET_OS_CPP_BUILTINS
+#define TARGET_OS_CPP_BUILTINS()      \
+  do {                                \
+    builtin_define ("__redox__");      \
+    builtin_define ("__unix__");      \
+    builtin_assert ("system=redox");   \
+    builtin_assert ("system=unix");   \
+    builtin_assert ("system=posix");   \
+  } while(0);
diff --git a/libgcc/config.host b/libgcc/config.host
@@ -636,6 +636,14 @@ x86_64-*-kfreebsd*-gnu)
 	tmake_file="${tmake_file} i386/t-crtpc t-crtfm i386/t-crtstuff t-dfprules"
 	tm_file="${tm_file} i386/elf-lib.h"
 	;;
+i[34567]86-*-redox*)
+	extra_parts="$extra_parts crtbegin.o crtend.o"
+	tmake_file="$tmake_file i386/t-crtstuff t-crtstuff-pic t-libgcc-pic"
+	;;
+x86_64-*-redox*)
+	extra_parts="$extra_parts crtbegin.o crtend.o"
+	tmake_file="$tmake_file i386/t-crtstuff t-crtstuff-pic t-libgcc-pic"
+	;;
 i[34567]86-pc-msdosdjgpp*)
 	;;
 i[34567]86-*-lynxos*)