diff --git a/llvm/utils/gn/secondary/lldb/source/Plugins/Process/Linux/BUILD.gn b/llvm/utils/gn/secondary/lldb/source/Plugins/Process/Linux/BUILD.gn
index e84ffd32eb2aea..e09b6db67fb68b 100644
--- a/llvm/utils/gn/secondary/lldb/source/Plugins/Process/Linux/BUILD.gn
+++ b/llvm/utils/gn/secondary/lldb/source/Plugins/Process/Linux/BUILD.gn
@@ -25,6 +25,7 @@ static_library("Linux") {
     "NativeRegisterContextLinux_arm.cpp",
     "NativeRegisterContextLinux_arm64.cpp",
     "NativeRegisterContextLinux_ppc64le.cpp",
+    "NativeRegisterContextLinux_riscv64.cpp",
     "NativeRegisterContextLinux_s390x.cpp",
     "NativeRegisterContextLinux_x86_64.cpp",
     "NativeThreadLinux.cpp",
diff --git a/llvm/utils/gn/secondary/lldb/source/Plugins/Process/Utility/BUILD.gn b/llvm/utils/gn/secondary/lldb/source/Plugins/Process/Utility/BUILD.gn
index e19cf9c574db26..b59c4419ad454b 100644
--- a/llvm/utils/gn/secondary/lldb/source/Plugins/Process/Utility/BUILD.gn
+++ b/llvm/utils/gn/secondary/lldb/source/Plugins/Process/Utility/BUILD.gn
@@ -58,6 +58,7 @@ static_library("Utility") {
     "RegisterContextPOSIX_mips64.cpp",
     "RegisterContextPOSIX_powerpc.cpp",
     "RegisterContextPOSIX_ppc64le.cpp",
+    "RegisterContextPOSIX_riscv64.cpp",
     "RegisterContextPOSIX_s390x.cpp",
     "RegisterContextPOSIX_x86.cpp",
     "RegisterContextThreadMemory.cpp",
@@ -67,6 +68,7 @@ static_library("Utility") {
     "RegisterInfoPOSIX_arm.cpp",
     "RegisterInfoPOSIX_arm64.cpp",
     "RegisterInfoPOSIX_ppc64le.cpp",
+    "RegisterInfoPOSIX_riscv64.cpp",
     "StopInfoMachException.cpp",
     "ThreadMemory.cpp",
   ]