Add logs and fix libtest compile issue in arm64

Issue: I6A9R5
Test: libc-test pass
Signed-off-by: Ndhy308 <tony.gan@huawei.com>

libc-test/src/functionalext/ldso_cfi/ldso_cfi_check.c

@@ -358,8 +358,8 @@ void cfi_unmap_dso_from_cfi_shadow_002(void)
 {
     printf("["__FILE__"][Line: %d][%s]: entry\n", __LINE__, __func__);
     struct dso test_dso = {};
-    int a = 9;
-    test_dso.map = (unsigned char *)a;
+    unsigned char a = 'S';
+    test_dso.map = &a;
     test_dso.map_len = 0;
     unmap_dso_from_cfi_shadow(&test_dso);
     printf("["__FILE__"][Line: %d][%s]: end\n", __LINE__, __func__);

porting/linux/user/ldso/cfi.c

@@ -176,8 +176,9 @@ static uintptr_t get_cfi_check_addr(uint16_t value, void* func_ptr)
     LD_LOGD("[CFI] [%{public}s] __arm__ defined!\n", __FUNCTION__);
     cfi_check_func_addr++;
 #endif
-    LD_LOGI("[CFI] [%{public}s] the cfi_check_func_addr is %{public}p!\n", __FUNCTION__, cfi_check_func_addr);
-
+    LD_LOGI("[CFI] [%{public}s] cfi_check_func_addr[%{public}p]\n", __FUNCTION__, cfi_check_func_addr);
+    LD_LOGD("[CFI] [%{public}s] __cfi_check is in dso[%{public}s]\n", __FUNCTION__,
+            ((struct dso *)addr2dso((size_t)cfi_check_func_addr))->name);
     return cfi_check_func_addr;
 }
 
@@ -490,18 +491,24 @@ static int fill_shadow_value_to_shadow(uintptr_t begin, uintptr_t end, uintptr_t
 
 void __cfi_slowpath(uint64_t call_site_type_id, void *func_ptr)
 {
-    LD_LOGD("[CFI] [%{public}s] start!\n", __FUNCTION__);
+    LD_LOGD("[CFI] [%{public}s] called from dso[%{public}s] to dso[%{public}s] func_ptr[%{public}p]\n",
+            __FUNCTION__,
+            ((struct dso *)addr2dso((size_t)__builtin_return_address(0)))->name,
+            ((struct dso *)addr2dso((size_t)func_ptr))->name,
+            func_ptr);
 
     cfi_slowpath_common(call_site_type_id, func_ptr, NULL);
-
     return;
 }
 
 void __cfi_slowpath_diag(uint64_t call_site_type_id, void *func_ptr, void *diag_data)
 {
-    LD_LOGD("[CFI] [%{public}s] start!\n", __FUNCTION__);
+    LD_LOGD("[CFI] [%{public}s] called from dso[%{public}s] to dso[%{public}s] func_ptr[%{public}p]\n",
+            __FUNCTION__,
+            ((struct dso *)addr2dso((size_t)__builtin_return_address(0)))->name,
+            ((struct dso *)addr2dso((size_t)func_ptr))->name,
+            func_ptr);
 
     cfi_slowpath_common(call_site_type_id, func_ptr, diag_data);
-
     return;
 }
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