fix(deps): add missing aeabi_memcpy.S

Add missing aeabi_memcpy.S file from llvm compiler-rt library [1]. This
is required for Aarch32 builds with clang.

[1] https://github.com/llvm/llvm-project.git

Change-Id: I7fd6ab1e81dd45d24afef49a3eb8fcdcbc5c082f
Signed-off-by: Daniel Boulby <daniel.boulby@arm.com>

diff --git a/lib/compiler-rt/builtins/arm/aeabi_memcpy.S b/lib/compiler-rt/builtins/arm/aeabi_memcpy.S
new file mode 100644 (file)
index 0000000..93e1b05
--- /dev/null
+++ b/lib/compiler-rt/builtins/arm/aeabi_memcpy.S
@@ -0,0 +1,29 @@
+//===-- aeabi_memcpy.S - EABI memcpy implementation -----------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "../assembly.h"
+
+//  void __aeabi_memcpy(void *dest, void *src, size_t n) { memcpy(dest, src, n); }
+
+        .syntax unified
+        .p2align 2
+DEFINE_COMPILERRT_FUNCTION(__aeabi_memcpy)
+#ifdef USE_THUMB_1
+        push    {r7, lr}
+        bl      memcpy
+        pop     {r7, pc}
+#else
+        b       memcpy
+#endif
+END_COMPILERRT_FUNCTION(__aeabi_memcpy)
+
+DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memcpy4, __aeabi_memcpy)
+DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memcpy8, __aeabi_memcpy)
+
+NO_EXEC_STACK_DIRECTIVE
+

diff --git a/lib/compiler-rt/compiler-rt.mk b/lib/compiler-rt/compiler-rt.mk
index 40c669f989efe51e2ea7718958a6bc74aeed7099..2338908f3db41cbe6b80c9fbf802769333b4d0ee 100644 (file)
--- a/lib/compiler-rt/compiler-rt.mk
+++ b/lib/compiler-rt/compiler-rt.mk
@@ -34,6 +34,7 @@ COMPILER_RT_SRCS      :=      lib/compiler-rt/builtins/popcountdi2.c          \
 ifeq (${ARCH},aarch32)
 COMPILER_RT_SRCS       +=      lib/compiler-rt/builtins/arm/aeabi_ldivmod.S    \
                                lib/compiler-rt/builtins/arm/aeabi_uldivmod.S   \
+                               lib/compiler-rt/builtins/arm/aeabi_memcpy.S     \
                                lib/compiler-rt/builtins/ctzdi2.c               \
                                lib/compiler-rt/builtins/divdi3.c               \
                                lib/compiler-rt/builtins/divmoddi4.c            \