commit 9a39eb3469d732618f18b994a59455cfe7e987f7
author caowencheng <caowencheng@eswincomputing.com> Mon Mar 20 16:24:41 2023 +0800
committer wencheng cao <caowencheng@eswincomputing.com> Tue Mar 21 02:05:14 2023 +0000
tree f2583b7f080a6c7a35db1ea8da43a4a74d241ae1
parent 008dc0d50b7ffac05959eeb1ef249368844532ef

Increase the implementation of __memcpy_chk assembly

Use __memcpy_chk assembly to replace the implementation of c functions, which can reduce the use of instructions

Test: llvm-objdump

Change-Id: I5d75601626dc997626f6173d53af301183a64004
Signed-off-by: caowencheng <caowencheng@eswincomputing.com>

libc/Android.bp

diff --git a/libc/Android.bp b/libc/Android.bp
index c101f45..99261f9 100644
--- a/libc/Android.bp
+++ b/libc/Android.bp
@@ -827,6 +827,7 @@
         riscv64: {
             srcs: [
                "arch-riscv64/string/__memset_chk.S",
+               "arch-riscv64/string/__memcpy_chk.S",
             ],
         },
     },
@@ -2307,6 +2308,11 @@
                 "arch-arm64/string/__memcpy_chk.S",
             ],
         },
+        riscv64: {
+            srcs: [
+               "arch-riscv64/string/__memcpy_chk.S",
+            ],
+        },
     },
     whole_static_libs: [
         "libarm-optimized-routines-mem",