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-rw-r--r--include/exec/memory.h8
-rw-r--r--softmmu/memory.c13
2 files changed, 21 insertions, 0 deletions
diff --git a/include/exec/memory.h b/include/exec/memory.h
index 93d27bff26..4aaf578ce6 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -47,6 +47,14 @@ void fuzz_dma_read_cb(size_t addr,
size_t len,
MemoryRegion *mr,
bool is_write);
+#else
+static inline void fuzz_dma_read_cb(size_t addr,
+ size_t len,
+ MemoryRegion *mr,
+ bool is_write)
+{
+ /* Do Nothing */
+}
#endif
extern bool global_dirty_log;
diff --git a/softmmu/memory.c b/softmmu/memory.c
index a5d1641820..cec0e0f743 100644
--- a/softmmu/memory.c
+++ b/softmmu/memory.c
@@ -3246,6 +3246,19 @@ void memory_region_init_rom_device(MemoryRegion *mr,
vmstate_register_ram(mr, owner_dev);
}
+/*
+ * Support softmmu builds with CONFIG_FUZZ using a weak symbol and a stub for
+ * the fuzz_dma_read_cb callback
+ */
+#ifdef CONFIG_FUZZ
+void __attribute__((weak)) fuzz_dma_read_cb(size_t addr,
+ size_t len,
+ MemoryRegion *mr,
+ bool is_write)
+{
+}
+#endif
+
static const TypeInfo memory_region_info = {
.parent = TYPE_OBJECT,
.name = TYPE_MEMORY_REGION,