X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=java_strings.py;h=1d28d0d1007e0a12acbc9cf9e792a9603ef910dc;hb=886f4905d378c4225cbf13d53f073022fbb5acbc;hp=d2054a172237019f84284beceab2b31834dca60e;hpb=f92e8f580983b5842a12198355eb778c1ac9e241;p=ldk-java

diff --git a/java_strings.py b/java_strings.py
index d2054a17..1d28d0d1 100644
--- a/java_strings.py
+++ b/java_strings.py
@@ -115,7 +115,7 @@ import java.util.LinkedList;
 class CommonBase {
 	long ptr;
 	LinkedList<Object> ptrs_to = new LinkedList();
-	protected CommonBase(long ptr) { assert ptr > 1024; this.ptr = ptr; }
+	protected CommonBase(long ptr) { assert ptr < 0 || ptr > 1024; this.ptr = ptr; }
 }
 """
 
@@ -162,6 +162,7 @@ void __attribute__((constructor)) spawn_stderr_redirection() {
         if not DEBUG or sys.platform == "darwin":
             self.c_file_pfx = self.c_file_pfx + """#define MALLOC(a, _) malloc(a)
 #define FREE(p) if ((uint64_t)(p) > 1024) { free(p); }
+#define CHECK_ACCESS(p)
 """
         if not DEBUG:
             self.c_file_pfx += """#define DO_ASSERT(a) (void)(a)
@@ -282,7 +283,7 @@ static void alloc_freed(void* ptr) {
 	while (it->ptr != ptr) {
 		p = it; it = it->next;
 		if (it == NULL) {
-			DEBUG_PRINT("Tried to free unknown pointer %p at:\\n", ptr);
+			DEBUG_PRINT("ERROR: Tried to free unknown pointer %p at:\\n", ptr);
 			void* bt[BT_MAX];
 			int bt_len = backtrace(bt, BT_MAX);
 			backtrace_symbols_fd(bt, bt_len, STDERR_FILENO);
@@ -318,6 +319,24 @@ void __wrap_free(void* ptr) {
 	__real_free(ptr);
 }
 
+static void CHECK_ACCESS(void* ptr) {
+	DO_ASSERT(!pthread_mutex_lock(&allocation_mtx));
+	allocation* it = allocation_ll;
+	while (it->ptr != ptr) {
+		it = it->next;
+		if (it == NULL) {
+			DEBUG_PRINT("ERROR: Tried to access unknown pointer %p at:\\n", ptr);
+			void* bt[BT_MAX];
+			int bt_len = backtrace(bt, BT_MAX);
+			backtrace_symbols_fd(bt, bt_len, STDERR_FILENO);
+			DEBUG_PRINT("\\n\\n");
+			DO_ASSERT(!pthread_mutex_unlock(&allocation_mtx));
+			return; // addrsan should catch and print more info than we have
+		}
+	}
+	DO_ASSERT(!pthread_mutex_unlock(&allocation_mtx));
+}
+
 void* __real_realloc(void* ptr, size_t newlen);
 void* __wrap_realloc(void* ptr, size_t len) {
 	if (ptr != NULL) alloc_freed(ptr);
@@ -1258,7 +1277,7 @@ import javax.annotation.Nullable;
                     out_java_struct += (info.arg_name)
             out_java_struct += (");\n")
             if return_type_info.java_ty == "long" and return_type_info.java_hu_ty != "long":
-                out_java_struct += "\t\tif (ret < 1024) { return null; }\n"
+                out_java_struct += "\t\tif (ret >= 0 && ret < 1024) { return null; }\n"
 
             if return_type_info.to_hu_conv is not None:
                 if not takes_self: