import Unicorn2

qemu/trace/mem-internal.h

@@ -0,0 +1,50 @@
+/*
+ * Helper functions for guest memory tracing
+ *
+ * Copyright (C) 2016 Lluís Vilanova <vilanova@ac.upc.edu>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef TRACE__MEM_INTERNAL_H
+#define TRACE__MEM_INTERNAL_H
+
+#define TRACE_MEM_SZ_SHIFT_MASK 0xf /* size shift mask */
+#define TRACE_MEM_SE (1ULL << 4)    /* sign extended (y/n) */
+#define TRACE_MEM_BE (1ULL << 5)    /* big endian (y/n) */
+#define TRACE_MEM_ST (1ULL << 6)    /* store (y/n) */
+#define TRACE_MEM_MMU_SHIFT 8       /* mmu idx */
+
+static inline uint16_t trace_mem_build_info(
+    int size_shift, bool sign_extend, MemOp endianness,
+    bool store, unsigned int mmu_idx)
+{
+    uint16_t res;
+
+    res = size_shift & TRACE_MEM_SZ_SHIFT_MASK;
+    if (sign_extend) {
+        res |= TRACE_MEM_SE;
+    }
+    if (endianness == MO_BE) {
+        res |= TRACE_MEM_BE;
+    }
+    if (store) {
+        res |= TRACE_MEM_ST;
+    }
+#ifdef CONFIG_SOFTMMU
+    res |= mmu_idx << TRACE_MEM_MMU_SHIFT;
+#endif
+    return res;
+}
+
+static inline uint16_t trace_mem_get_info(MemOp op,
+                                          unsigned int mmu_idx,
+                                          bool store)
+{
+    return trace_mem_build_info(op & MO_SIZE, !!(op & MO_SIGN),
+                                op & MO_BSWAP, store,
+                                mmu_idx);
+}
+
+#endif /* TRACE__MEM_INTERNAL_H */