remove STL vector

[c11tester.git] / mymemory.cc

diff --git a/mymemory.cc b/mymemory.cc
index f7b716247e3965d5b2c2f3e255846b60aeda01c5..1f8b616020e481e795fd36f74bfa1d2ab56722cc 100644 (file)
--- a/mymemory.cc
+++ b/mymemory.cc
@@ -1,3 +1,4 @@
+
 #include <stdlib.h>
 #include <stdio.h>
 #include <dlfcn.h>
@@ -16,7 +17,6 @@
 size_t allocatedReqs[REQUESTS_BEFORE_ALLOC] = { 0 };
 int nextRequest = 0;
 int howManyFreed = 0;
-int switch_alloc = 0;
 #if !USE_MPROTECT_SNAPSHOT
 static mspace sStaticSpace = NULL;
 #endif
@@ -71,6 +71,31 @@ void *model_malloc(size_t size)
 #endif
 }
 
+/** Non-snapshotting malloc for our use. */
+void *model_realloc(void *ptr, size_t size)
+{
+#if USE_MPROTECT_SNAPSHOT
+       static void *(*reallocp)(void *ptr, size_t size) = NULL;
+       char *error;
+       void *newptr;
+
+       /* get address of libc malloc */
+       if (!reallocp) {
+               reallocp = (void * (*)(size_t))dlsym(RTLD_NEXT, "realloc");
+               if ((error = dlerror()) != NULL) {
+                       fputs(error, stderr);
+                       exit(EXIT_FAILURE);
+               }
+       }
+       newptr = reallocp(ptr, size);
+       return newptr;
+#else
+       if (!sStaticSpace)
+               sStaticSpace = create_shared_mspace();
+       return mspace_realloc(sStaticSpace, ptr, size);
+#endif
+}
+
 /** @brief Snapshotting malloc, for use by model-checker (not user progs) */
 void * snapshot_malloc(size_t size)
 {
@@ -180,9 +205,6 @@ static void * user_malloc(size_t size)
 void *malloc(size_t size)
 {
        if (user_snapshot_space) {
-               if (switch_alloc) {
-                       return model_malloc(size);
-               }
                /* Only perform user allocations from user context */
                ASSERT(!model || thread_current());
                return user_malloc(size);
@@ -194,9 +216,6 @@ void *malloc(size_t size)
 void free(void * ptr)
 {
        if (!DontFree(ptr)) {
-               if (switch_alloc) {
-                       return model_free(ptr);
-               }
                mspace_free(user_snapshot_space, ptr);
        }
 }
@@ -264,13 +283,13 @@ void operator delete[](void *p, size_t size)
 /** @brief Snapshotting allocation function for use by the Thread class only */
 void * Thread_malloc(size_t size)
 {
-       return malloc(size);
+       return snapshot_malloc(size);
 }
 
 /** @brief Snapshotting free function for use by the Thread class only */
 void Thread_free(void *ptr)
 {
-       free(ptr);
+       snapshot_free(ptr);
 }
 
 #endif /* !USE_MPROTECT_SNAPSHOT */