[PATCH] LoongArch: Libvtv add LoongArch support.

[Lulu Cheng]

Co-Authored-By: qijingwen <qijing...@rd.loongson.cn>

include/ChangeLog:

        * vtv-change-permission.h (defined):
        (VTV_PAGE_SIZE): 16k pages under loongarch64.

libvtv/ChangeLog:

        * configure.tgt: Add loongarch support.
---
 include/vtv-change-permission.h | 2 ++
 libvtv/configure.tgt            | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/include/vtv-change-permission.h b/include/vtv-change-permission.h
index 70bdad92bca..47bcdb8057a 100644
--- a/include/vtv-change-permission.h
+++ b/include/vtv-change-permission.h
@@ -48,6 +48,8 @@ extern void __VLTChangePermission (int);
 #else 
 #if defined(__sun__) && defined(__svr4__) && defined(__sparc__)
 #define VTV_PAGE_SIZE 8192
+#elif defined(__loongarch__)
+#define VTV_PAGE_SIZE 16384
 #else
 #define VTV_PAGE_SIZE 4096
 #endif
diff --git a/libvtv/configure.tgt b/libvtv/configure.tgt
index aa2a3f675b8..6cdd1e97ab1 100644
--- a/libvtv/configure.tgt
+++ b/libvtv/configure.tgt
@@ -50,6 +50,9 @@ case "${target}" in
        ;;
   x86_64-*-darwin[1]* | i?86-*-darwin[1]*)
        ;;
+  loongarch*-*-linux*)
+       VTV_SUPPORTED=yes
+       ;;
   *)
        ;;
 esac
-- 
2.31.1