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-rw-r--r--include/hw/core/cpu.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h
index 73e9a869a4..e1d6ee00b4 100644
--- a/include/hw/core/cpu.h
+++ b/include/hw/core/cpu.h
@@ -195,7 +195,7 @@ typedef struct CPUClass {
     hwaddr (*get_phys_page_attrs_debug)(CPUState *cpu, vaddr addr,
                                         MemTxAttrs *attrs);
     int (*asidx_from_attrs)(CPUState *cpu, MemTxAttrs attrs);
-    int (*gdb_read_register)(CPUState *cpu, uint8_t *buf, int reg);
+    int (*gdb_read_register)(CPUState *cpu, GByteArray *buf, int reg);
     int (*gdb_write_register)(CPUState *cpu, uint8_t *buf, int reg);
     bool (*debug_check_watchpoint)(CPUState *cpu, CPUWatchpoint *wp);
     void (*debug_excp_handler)(CPUState *cpu);