support to arm. ok deraadt@

4 files changed, 101 insertions, 0 deletions

diff --git a/gnu/egcs/gcc/config.gcc b/gnu/egcs/gcc/config.gcc
index 5267fe28ad0..d5558f9fa6e 100644
--- a/gnu/egcs/gcc/config.gcc
+++ b/gnu/egcs/gcc/config.gcc
@@ -319,6 +319,12 @@ arm*-*-netbsd*)
 	tmake_file="t-netbsd arm/t-netbsd"
 use_collect2=yes
 	;;
+arm*-*-openbsd*)
+	tm_file="${tm_file} exec-stack.h"
+	xm_file="arm/xm-openbsd.h ${xm_file}"
+	tmake_file="t-libc-ok t-openbsd arm/t-openbsd"
+	use_collect2=yes
+	;;
 arm*-*-linux-gnuaout*)		# ARM GNU/Linux with a.out
 	cpu_type=arm
 	xmake_file=x-linux
diff --git a/gnu/egcs/gcc/config/arm/openbsd.h b/gnu/egcs/gcc/config/arm/openbsd.h
new file mode 100644
index 00000000000..7ed276b150e
--- /dev/null
+++ b/gnu/egcs/gcc/config/arm/openbsd.h
@@ -0,0 +1,67 @@
+/* Configuration file for arm OpenBSD target.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+
+This file is part of GNU CC.
+
+GNU CC 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 2, or (at your option)
+any later version.
+
+GNU CC 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 GNU CC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#include <arm/elf.h>
+
+/* Get generic OpenBSD definitions.  */
+#include <openbsd.h>
+
+/* Run-time target specifications.  */
+#define CPP_PREDEFINES "-D__unix__ -D__arm32__ -D__arm__ -D__OpenBSD__ -D__ELF__ -Asystem(unix) -Asystem(OpenBSD) -Acpu(arm) -Amachine(arm)"
+
+#undef LINK_SPEC
+#define LINK_SPEC \
+  "%{!shared:%{!nostdlib:%{!r*:%{!e*:-e __start}}}} \
+   %{shared:-shared} %{R*} \
+   %{static:-Bstatic} \
+   %{!static:-Bdynamic} \
+   %{assert*} \
+   %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.so}"
+
+/* As an elf system, we need crtbegin/crtend stuff.  */
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC "\
+        %{!shared: %{pg:gcrt0%O%s} %{!pg:%{p:gcrt0%O%s} %{!p:crt0%O%s}} \
+        crtbegin%O%s} %{shared:crtbeginS%O%s}"
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC "%{!shared:crtend%O%s} %{shared:crtendS%O%s}"
+
+/* Layout of source language data types */
+
+/* This must agree with <machine/ansi.h> */
+#undef SIZE_TYPE
+#define SIZE_TYPE "unsigned int"
+
+#undef PTRDIFF_TYPE
+#define PTRDIFF_TYPE "int"
+
+#undef WCHAR_TYPE
+#define WCHAR_TYPE "int"
+
+#undef WCHAR_TYPE_SIZE
+#define WCHAR_TYPE_SIZE 32
+
+/* Stack & calling: aggregate returns.  */
+
+/* Don't default to pcc-struct-return, because gcc is the only compiler, and
+   we want to retain compatibility with older gcc versions.  */
+#undef DEFAULT_PCC_STRUCT_RETURN
+#define DEFAULT_PCC_STRUCT_RETURN 0
+
diff --git a/gnu/egcs/gcc/config/arm/t-openbsd b/gnu/egcs/gcc/config/arm/t-openbsd
new file mode 100644
index 00000000000..24f9a43b000
--- /dev/null
+++ b/gnu/egcs/gcc/config/arm/t-openbsd
@@ -0,0 +1,5 @@
+# gdb gets confused if pic code is linked with non pic
+# We cope by building all variants of libgcc.
+MULTILIB_OPTIONS = fpic/fPIC
+LIBGCC = stmp-multilib
+INSTALL_LIBGCC = install-multilib
diff --git a/gnu/egcs/gcc/config/arm/xm-openbsd.h b/gnu/egcs/gcc/config/arm/xm-openbsd.h
new file mode 100644
index 00000000000..d409633baed
--- /dev/null
+++ b/gnu/egcs/gcc/config/arm/xm-openbsd.h
@@ -0,0 +1,23 @@
+/* Configuration file for an host running sparc OpenBSD.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+
+This file is part of GNU CC.
+
+GNU CC 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 2, or (at your option)
+any later version.
+
+GNU CC 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 GNU CC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#include <xm-openbsd.h>
+#include <arm/xm-arm.h>
+