Add ARM target for CoreCLR on Linux.

c_runtime/vprintf/test1 is disabled as casting NULL to va_list is
against the C specification.

Fix SetFilePointer tests on 32 bit platforms.

Define _FILE_OFFSET_BITS=64 so that we have long file support on 32 bit
platforms.

Implement context capture/restore for ARM.

Link libgcc_s before libunwind on ARM so C++ exceptions work.

Translate armasm to gas syntax.

Specify Thumb, VFPv3, ARMv7 for the ARM target.

Add ARM configuration to mscorlib build

Implement GetLogicalProcessorCacheSizeFromOS in PAL.

Set UNWIND_CONTEXT_IS_UCONTEXT_T from configure check.

1 files changed, 37 insertions, 0 deletions

diff --git a/src/vm/arm/memcpy.S b/src/vm/arm/memcpy.S
new file mode 100644
index 0000000000..f5b2341c75
--- /dev/null
+++ b/src/vm/arm/memcpy.S
@@ -0,0 +1,37 @@
+//
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information. 
+//
+
+#include "unixasmmacros.inc"
+#include "asmconstants.h"
+
+.syntax unified
+.thumb
+
+//
+// void *memcpy(void *dst, const void *src, size_t length)
+//
+// Copy a block of memory in a forward direction.
+//
+
+    LEAF_ENTRY FCallMemcpy, _TEXT
+        cmp r2, #0
+        
+        beq LOCAL_LABEL(GC_POLL)
+        
+        ldr r3, [r0]
+        ldr r3, [r1]
+        
+        push {lr}
+        blx C_FUNC(memcpy)
+        pop {lr}
+
+LOCAL_LABEL(GC_POLL):
+        ldr r0, =g_TrapReturningThreads
+        ldr r0, [r0]
+        cmp r0, #0
+        it ne
+        bne C_FUNC(FCallMemCpy_GCPoll)
+        bx lr
+    LEAF_END FCallMemcpy, _TEXT