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-rw-r--r--accel/tcg/cpu-exec.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c
index 5fd1ed3..c9764c1 100644
--- a/accel/tcg/cpu-exec.c
+++ b/accel/tcg/cpu-exec.c
@@ -383,6 +383,17 @@ cpu_tb_exec(CPUState *cpu, TranslationBlock *itb, int *tb_exit)
cc->set_pc(cpu, last_tb->pc);
}
}
+
+ /*
+ * If gdb single-step, and we haven't raised another exception,
+ * raise a debug exception. Single-step with another exception
+ * is handled in cpu_handle_exception.
+ */
+ if (unlikely(cpu->singlestep_enabled) && cpu->exception_index == -1) {
+ cpu->exception_index = EXCP_DEBUG;
+ cpu_loop_exit(cpu);
+ }
+
return last_tb;
}