1 HANDLE_OPCODE(OP_BREAKPOINT) 2 { 3 /* 4 * Restart this instruction with the original opcode. We do 5 * this by simply jumping to the handler. 6 * 7 * It's probably not necessary to update "inst", but we do it 8 * for the sake of anything that needs to do disambiguation in a 9 * common handler with INST_INST. 10 * 11 * The breakpoint itself is handled over in updateDebugger(), 12 * because we need to detect other events (method entry, single 13 * step) and report them in the same event packet, and we're not 14 * yet handling those through breakpoint instructions. By the 15 * time we get here, the breakpoint has already been handled and 16 * the thread resumed. 17 */ 18 u1 originalOpcode = dvmGetOriginalOpcode(pc); 19 LOGV("+++ break 0x%02x (0x%04x -> 0x%04x)", originalOpcode, inst, 20 INST_REPLACE_OP(inst, originalOpcode)); 21 inst = INST_REPLACE_OP(inst, originalOpcode); 22 FINISH_BKPT(originalOpcode); 23 } 24 OP_END 25
