frida Stalker.follow 死循环
我希望通过Stalker.follow 去读一段汇编的寄存器。现在这种写法会导致 一直在几个指令里循环，如果我不去看寄存器，而是通过console.log(instruction.address.sub(base_addr) + "\t:\t" + instruction); 去看执行的指令，是可以正常执行。有没有大佬能给解答一下。
```
var mou = Process.getModuleByName(MODULE_NAME)
var tid = Process.getCurrentThreadId()
Stalker.follow(tid, {
transform: (iterator) => {
const instruction = iterator.next();
const startAddress = instruction.address;
const isModuleCode = startAddress.compare(mou.base) >= 0 &&(mou.base.add(mou.size)).sub(startAddress) > 0;
do {
iterator.keep();
if (isModuleCode) {
//console.log(instruction.address.sub(base_addr) + "\t:\t" + instruction);
iterator.putCallout((context) => {
let funcAddress = getFuncAddress(context.pc, exportTable);
console.log(JSON.stringify({
fromAddress: funcAddress,
x1 : context.x1,
x19:context.x19
}))
})
}
} while (iterator.next() !== null);
}
})
```
部分死循环的log
```
{"fromAddress":"0x1ca8f340","x1":"0x16f795577","x19":"0x11c66fe40"}
{"fromAddress":"0x1ca8f344","x1":"0x16f795577","x19":"0x11c66fe40"}
{"fromAddress":"0x1ca8f348","x1":"0x16f795577","x19":"0x11c66fe40"}
{"fromAddress":"0x1ca8f33c","x1":"0x16f795577","x19":"0x11c66fe40"}
{"fromAddress":"0x1ca8f340","x1":"0x16f795577","x19":"0x11c66fe40"}
{"fromAddress":"0x1ca8f344","x1":"0x16f795577","x19":"0x11c66fe40"}
{"fromAddress":"0x1ca8f348","x1":"0x16f795577","x19":"0x11c66fe40"}
{"fromAddress":"0x1ca8f33c","x1":"0x16f795577","x19":"0x11c66fe40"}
{"fromAddress":"0x1ca8f340","x1":"0x16f795577","x19":"0x11c66fe40"}
{"fromAddress":"0x1ca8f344","x1":"0x16f795577","x19":"0x11c66fe40"}
{"fromAddress":"0x1ca8f348","x1":"0x16f795577","x19":"0x11c66fe40"}
{"fromAddress":"0x1ca8f33c","x1":"0x16f795577","x19":"0x11c66fe40"}
{"fromAddress":"0x1ca8f340","x1":"0x16f795577","x19":"0x11c66fe40"}
{"fromAddress":"0x1ca8f344","x1":"0x16f795577","x19":"0x11c66fe40"}
{"fromAddress":"0x1ca8f348","x1":"0x16f795577","x19":"0x11c66fe40"}
{"fromAddress":"0x1ca8f33c","x1":"0x16f795577","x19":"0x11c66fe40"}
{"fromAddress":"0x1ca8f340","x1":"0x16f795577","x19":"0x11c66fe40"}
{"fromAddress":"0x1ca8f344","x1":"0x16f795577","x19":"0x11c66fe40"}
```
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