diff --git a/libc/Android.bp b/libc/Android.bp
index 9bba776..460e7f0 100644
--- a/libc/Android.bp
+++ b/libc/Android.bp
@@ -622,6 +622,13 @@
                     "upstream-openbsd/lib/libc/string/strcat.c",
                 ],
             },
+            kryo: {
+                exclude_srcs: [
+                    "upstream-openbsd/lib/libc/string/memmove.c",
+                    "upstream-openbsd/lib/libc/string/stpcpy.c",
+                    "upstream-openbsd/lib/libc/string/strcat.c",
+                ],
+            },
         },
         arm64: {
             exclude_srcs: [
@@ -1004,7 +1011,32 @@
                     "bionic/__strcpy_chk.cpp",
                 ],
             },
+            kryo: {
+                srcs: [
+                    "arch-arm/krait/bionic/memcpy.S",
+                    "arch-arm/krait/bionic/memset.S",
+                    "arch-arm/krait/bionic/strcmp.S",
+                    "arch-arm/krait/bionic/__strcat_chk.S",
+                    "arch-arm/krait/bionic/__strcpy_chk.S",
 
+                    // Use cortex-a15 versions of strcat/strcpy/strlen.
+                    "arch-arm/cortex-a15/bionic/stpcpy.S",
+                    "arch-arm/cortex-a15/bionic/strcat.S",
+                    "arch-arm/cortex-a15/bionic/strcpy.S",
+                    "arch-arm/cortex-a15/bionic/strlen.S",
+
+                    "arch-arm/denver/bionic/memmove.S",
+                ],
+                exclude_srcs: [
+                    "arch-arm/generic/bionic/memcpy.S",
+                    "arch-arm/generic/bionic/memset.S",
+                    "arch-arm/generic/bionic/strcmp.S",
+                    "arch-arm/generic/bionic/strcpy.S",
+                    "arch-arm/generic/bionic/strlen.c",
+                    "bionic/__strcat_chk.cpp",
+                    "bionic/__strcpy_chk.cpp",
+                ],
+            },
         },
         arm64: {
             srcs: [