1 files changed, 29 insertions, 0 deletions
diff --git a/vm/mterp/c/OP_BREAKPOINT.c b/vm/mterp/c/OP_BREAKPOINT.c
new file mode 100644
index 0000000..91cd36c
--- /dev/null
+++ b/vm/mterp/c/OP_BREAKPOINT.c
@@ -0,0 +1,29 @@
+HANDLE_OPCODE(OP_BREAKPOINT)
+#if (INTERP_TYPE == INTERP_DBG)
+    {
+        /*
+         * Restart this instruction with the original opcode.  We do
+         * this by simply jumping to the handler.
+         *
+         * It's probably not necessary to update "inst", but we do it
+         * for the sake of anything that needs to do disambiguation in a
+         * common handler with INST_INST.
+         *
+         * The breakpoint itself is handled over in updateDebugger(),
+         * because we need to detect other events (method entry, single
+         * step) and report them in the same event packet, and we're not
+         * yet handling those through breakpoint instructions.  By the
+         * time we get here, the breakpoint has already been handled and
+         * the thread resumed.
+         */
+        u1 originalOpCode = dvmGetOriginalOpCode(pc);
+        LOGV("+++ break 0x%02x (0x%04x -> 0x%04x)\n", originalOpCode, inst,
+            INST_REPLACE_OP(inst, originalOpCode));
+        inst = INST_REPLACE_OP(inst, originalOpCode);
+        FINISH_BKPT(originalOpCode);
+    }
+#else
+    LOGE("Breakpoint hit in non-debug interpreter\n");
+    dvmAbort();
+#endif
+OP_END