eip | 易学教程

EIP register value goes over 100 bytes

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问题 Hey I am having hard time solving my homework. Then x86 processor executes commands EIP register(counter) value increases by 1 byte or by a few bytes depending on command's type. Which instructions we have to use so EIP value may go over 100 bytes? Answers are: JMP | ADD | SUB | PUSH | JNZ | MUL | CALL | JZ As I get the idea, EIP is special case register which we can't use. It's called Extended Instruction Pointer. And to increase it's value over 100 bytes, we need to find how much each

unable to give static ip to nlb

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来源： https://stackoverflow.com/questions/59282601/unable-to-give-static-ip-to-nlb

Apache camel file with doneFileName

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问题 I am just starting to look at apache camel (Using blueprint routes) and I am already stuck. I need to process a set of csv files with different formats. I get 5 files with foo_X_20160110.csv were X specifies the type of csv file and the files have a date stamp . These files can be quite large so a 'done' file is written once all files are written. The done file is named foo_trigger_20160110.csv. I've seen the doneFileName option on file but that only supports a static name (I have a date in

Persisting failed messages in Camel's SEDA queue

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问题 I am using seda queue as dead letter channel endpoint. It works fine if network is down or other application is down. What will happen if I restart my own system? Will I loose my messages in dead letter channel endpoint SEDA queue? 回答1: The seda endpoint is not a reliable message solution, meaning any messages sent to a seda destination are subject to loss in the event of a failure/restart. If JMS is not an available solution you will need to provide your own persistence logic to provide

Apache camel bindy - how to log or debug

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问题 I'm trying to get some log informations from camel bindy. I had a working setup using an BindyCsvDataFormat bindyProduct with an annotated product-bean and an csv file as source. Now I changed the CSV file and the annotated bean. The processing seams to get stuck within the bindy processor, but I do not get any Informations/logs. My debugProcessor is not reached at all. If I put it before the unmarshal step, then it logs some stuff and I can debug into it. I wonder why the new files do not

Omron CJ2M read/write from PC program over Ethernet/IP

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问题 I am developing a program to connect my PC to Omron CJ2M PLC to send read / write commands. As per my understanding, Omron PLCs can be communicated over 3 methods: 1) Hostlink, 2) FINS, (TCP or UDP) and 3) EIP. My requirement here is to connect CJ2M through EIP, and send Read/Write commands over EIP(CIP) protocol. Initally EIP communication needs to send 2 requests: 1) List Services and 2) Register Sessions Register Sessions returns a handle which should be used in further communication over

The location of EIP and other Registers in x86 Process

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问题 I am working with x86 instructions and now I confused about : Where do x86 Registers (Like :EIP,ESP and etc.) stores ?! For example when I use ollydbg I could see what is the actual EIP register value and how it changes. If it stores in memory where is the actual location ? (For example in .data .text or .bss) And can I change the EIP of another process manually ?! How ?! 回答1: You have a severe misconception about what a register is. A register is actually a register, ie. a really small piece

Design question on dynamic Apache camel routes/context

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问题 We have ActiveMQ onto which the events that happen in the system are published. The project involves users adding entities to their watch-list and whenever there are events on those entities I would like an email to be sent out to the interested participants. The use-case roughly translates to some one expressing an interest in a product information page on the catalog and an email being sent whenever any activity happens on that product (price goes down, there is a positive review etc.,). I

The location of EIP and other Registers in x86 Process

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I am working with x86 instructions and now I confused about : Where do x86 Registers (Like :EIP,ESP and etc.) stores ?! For example when I use ollydbg I could see what is the actual EIP register value and how it changes. If it stores in memory where is the actual location ? (For example in .data .text or .bss) And can I change the EIP of another process manually ?! How ?! You have a severe misconception about what a register is. A register is actually a register, ie. a really small piece of memory in the processor that can contain the operands or can be the target of a CPU instruction. It

Assembly Call Stack - Terminology Questions

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问题 I'm completely new to Assembly and looking to confirm where, in the following statements, I have a misunderstanding and need to be corrected. The stack pointer ( ESP ) refers to the top (lowest memory address) of the stack. The base Pointer ( EBP ) is used for temporarily storing various memory addresses when building a stack frame. It normally holds the highest memory address of the current stack frame. The instruction pointer ( EIP ) refers to the memory address of a line of code in the