Added enough arm related scaffolding to create a simple

hello.c program linking against the runtime.

R=rsc
APPROVED=rsc
DELTA=178  (175 added, 0 deleted, 3 changed)
OCL=29283
CL=29380

5 files changed, 106 insertions, 0 deletions

diff --git a/src/runtime/linux/arm/defs.h b/src/runtime/linux/arm/defs.h
new file mode 100644
index 0000000000..caad669895
--- /dev/null
+++ b/src/runtime/linux/arm/defs.h
@@ -0,0 +1,27 @@
+// godefs -carm-gcc -f -I/usr/local/google/src/linux-2.6.28/arch/arm/include -f -I/usr/local/google/src/linux-2.6.28/include defs_arm.c
+
+// MACHINE GENERATED - DO NOT EDIT.
+
+// Constants
+enum {
+	PROT_NONE = 0,
+	PROT_READ = 0x1,
+	PROT_WRITE = 0x2,
+	PROT_EXEC = 0x4,
+	MAP_ANON = 0x20,
+	MAP_PRIVATE = 0x2,
+	SA_RESTART = 0x10000000,
+	SA_ONSTACK = 0x8000000,
+	SA_RESTORER = 0x4000000,
+	SA_SIGINFO = 0x4,
+};
+
+// Types
+#pragma pack on
+
+typedef struct Timespec Timespec;
+struct Timespec {
+	int32 tv_sec;
+	int32 tv_nsec;
+};
+#pragma pack off
diff --git a/src/runtime/linux/arm/rt0.s b/src/runtime/linux/arm/rt0.s
new file mode 100644
index 0000000000..024547dddb
--- /dev/null
+++ b/src/runtime/linux/arm/rt0.s
@@ -0,0 +1,6 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+TEXT	_rt0_arm_linux(SB),7,$0
+	B	_rt0_arm(SB)
diff --git a/src/runtime/linux/arm/signal.c b/src/runtime/linux/arm/signal.c
new file mode 100644
index 0000000000..024018d5a4
--- /dev/null
+++ b/src/runtime/linux/arm/signal.c
@@ -0,0 +1,4 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
diff --git a/src/runtime/linux/arm/sys.s b/src/runtime/linux/arm/sys.s
new file mode 100644
index 0000000000..f5db32305b
--- /dev/null
+++ b/src/runtime/linux/arm/sys.s
@@ -0,0 +1,15 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//
+// System calls and other sys.stuff for arm, Linux
+//
+
+TEXT write(SB),7,$0
+	MOVW	4(SP), R0
+	MOVW	8(SP), R1
+	MOVW	12(SP), R2
+    	SWI	$0x00900004  // syscall write
+	RET
+
diff --git a/src/runtime/linux/defs_arm.c b/src/runtime/linux/defs_arm.c
new file mode 100644
index 0000000000..eaec051549
--- /dev/null
+++ b/src/runtime/linux/defs_arm.c
@@ -0,0 +1,54 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+/*
+ * Input to godefs
+	godefs -carm-gcc -f -I/usr/local/google/src/linux-2.6.28/arch/arm/include -f
+ -I/usr/local/google/src/linux-2.6.28/include defs_arm.c >arm/defs.h
+
+ * Another input file for ARM defs.h
+ */
+
+#include <asm/signal.h>
+#include <asm/mman.h>
+#include <asm/sigcontext.h>
+#include <asm/ucontext.h>
+
+/*
+#include <sys/signal.h>
+#include <sys/mman.h>
+#include <ucontext.h>
+*/
+
+#include <time.h>
+
+enum {
+	$PROT_NONE = PROT_NONE,
+	$PROT_READ = PROT_READ,
+	$PROT_WRITE = PROT_WRITE,
+	$PROT_EXEC = PROT_EXEC,
+
+	$MAP_ANON = MAP_ANONYMOUS,
+	$MAP_PRIVATE = MAP_PRIVATE,
+
+	$SA_RESTART = SA_RESTART,
+	$SA_ONSTACK = SA_ONSTACK,
+	$SA_RESTORER = SA_RESTORER,
+	$SA_SIGINFO = SA_SIGINFO
+};
+
+
+
+
+//typedef struct _fpreg $Fpreg;
+//typedef struct _fpxreg $Fpxreg;
+//typedef struct _xmmreg $Xmmreg;
+//typedef struct _fpstate $Fpstate;
+typedef struct timespec $Timespec;
+//typedef struct timeval $Timeval;
+// typedef struct sigaction $Sigaction;
+// typedef siginfo_t $Siginfo;
+// typedef struct sigaltstack $Sigaltstack;
+// typedef struct sigcontext $Sigcontext;
+// typedef struct ucontext $Ucontext;