fix prevent violation

[framework/system/dynamic-analysis-probe.git] / include / daprobe.h

diff --git a/include/daprobe.h b/include/daprobe.h
index 651989b..b0a86ef 100644 (file)
--- a/include/daprobe.h
+++ b/include/daprobe.h
@@ -48,6 +48,7 @@ extern "C"{
 
 #define NUM_OF_MONITOR         3
 #define DA_LOG_MAX                     4096
+#define PERROR_MSG_MAX         128
 
 #define DEFAULT_TOKEN  "`,"
 
@@ -158,12 +159,16 @@ int getBacktraceString(log_t* log, int bufsize);
                do {                                                                                                            \
                        if(!FUNCTIONPOINTER) {                                                                  \
                                probeBlockStart();                                                                      \
-                               void* lib_handle = dlopen(#SONAME, RTLD_LAZY);          \
-                               if(lib_handle == NULL) {                                                        \
-                                       perror("dlopen failed : " #SONAME );                    \
-                                       exit(0);                                                                                \
+                               if(lib_handle[SONAME] == NULL) {                                        \
+                                       lib_handle[SONAME] = dlopen(lib_string[SONAME], RTLD_LAZY);                     \
+                                       if(lib_handle[SONAME] == NULL) {                                \
+                                               char perror_msg[PERROR_MSG_MAX];                        \
+                                               sprintf(perror_msg, "dlopen failed : %s", lib_string[SONAME]);  \
+                                               perror(perror_msg);                                                     \
+                                               exit(0);                                                                        \
+                                       }                                                                                               \
                                }                                                                                                       \
-                               FUNCTIONPOINTER = dlsym(lib_handle, #FUNCNAME);         \
+                               FUNCTIONPOINTER = dlsym(lib_handle[SONAME], #FUNCNAME);         \
                                if(FUNCTIONPOINTER == NULL || dlerror() != NULL) {      \
                                        perror("dlsym failed : " #FUNCNAME);                    \
                                        exit(0);                                                                                \