Fix some typos, add additional guidance for -BSymbolic

hipamd/docs/markdown/hip_bugs.md

@@ -45,6 +45,8 @@ To correct, add the following flag to hcc or hipcc:
 $ hipcc -Wl,-Bsymbolic ...
 ```
 
+Ensure there is no space in the "Wl,-Bsymbolic" option.
+
 
 ### What is the current limitation of HIP Generic Grid Launch method?
 1. __global__ functions cannot be marked as static or put in an unnamed namespace i.e. they cannot be given internal linkage (this would clash with __attribute__((weak)));

hipamd/src/hip_memory.cpp

@@ -104,8 +104,8 @@ void * allocAndSharePtr(const char *msg, size_t sizeBytes, ihipCtx_t *ctx, unsig
     auto device = ctx->getWriteableDevice();
 
     ptr = hc::am_alloc(sizeBytes, device->_acc, amFlags);
-    tprintf(DB_MEM, " alloc %s ptr:%p size:%zu on dev:%d\n",
-            msg, ptr, sizeBytes, device->_deviceId);
+    tprintf(DB_MEM, " alloc %s ptr:%p-%p size:%zu on dev:%d\n",
+            msg, ptr, static_cast<char*>(ptr)+sizeBytes, sizeBytes, device->_deviceId);
 
     if (ptr != nullptr) {
         int r = sharePtr(ptr, ctx, hipFlags);