fix(deps): add missing aeabi_memset.S
This file provides __aeabi_memclr8 builtin which the Ubuntu 22.04
version of clang 14 needs to compile. Add it to prevent this oddity from
failing the build.
Signed-off-by: Boyan Karatotev <boyan.karatotev@arm.com>
Change-Id: Id67aa0abba4a27c51b3ed6bb1be84b4e803b44bf
diff --git a/lib/compiler-rt/builtins/arm/aeabi_memset.S b/lib/compiler-rt/builtins/arm/aeabi_memset.S
new file mode 100644
index 0000000..2aa8ec0
--- /dev/null
+++ b/lib/compiler-rt/builtins/arm/aeabi_memset.S
@@ -0,0 +1,49 @@
+//===-- aeabi_memset.S - EABI memset 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_memset(void *dest, size_t n, int c) { memset(dest, c, n); }
+// void __aeabi_memclr(void *dest, size_t n) { __aeabi_memset(dest, n, 0); }
+
+ .syntax unified
+ .p2align 2
+DEFINE_COMPILERRT_FUNCTION(__aeabi_memset)
+ mov r3, r1
+ mov r1, r2
+ mov r2, r3
+#ifdef USE_THUMB_1
+ push {r7, lr}
+ bl memset
+ pop {r7, pc}
+#else
+ b memset
+#endif
+END_COMPILERRT_FUNCTION(__aeabi_memset)
+
+DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memset4, __aeabi_memset)
+DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memset8, __aeabi_memset)
+
+ .p2align 2
+DEFINE_COMPILERRT_FUNCTION(__aeabi_memclr)
+ mov r2, r1
+ movs r1, #0
+#ifdef USE_THUMB_1
+ push {r7, lr}
+ bl memset
+ pop {r7, pc}
+#else
+ b memset
+#endif
+END_COMPILERRT_FUNCTION(__aeabi_memclr)
+
+DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memclr4, __aeabi_memclr)
+DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memclr8, __aeabi_memclr)
+
+NO_EXEC_STACK_DIRECTIVE
+
diff --git a/lib/compiler-rt/compiler-rt.mk b/lib/compiler-rt/compiler-rt.mk
index 2338908..b41c4d0 100644
--- a/lib/compiler-rt/compiler-rt.mk
+++ b/lib/compiler-rt/compiler-rt.mk
@@ -35,6 +35,7 @@
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/arm/aeabi_memset.S \
lib/compiler-rt/builtins/ctzdi2.c \
lib/compiler-rt/builtins/divdi3.c \
lib/compiler-rt/builtins/divmoddi4.c \