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fix(deps): add missing aeabi_memcpy.S

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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>
This commit is contained in:
Daniel Boulby 2022-10-21 17:38:24 +01:00
parent a194255d75
commit 93cec697de
2 changed files with 30 additions and 0 deletions
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29
lib/compiler-rt/builtins/arm/aeabi_memcpy.S Normal file
View file

@ -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

1
lib/compiler-rt/compiler-rt.mk
View file

@ -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 \