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I am trying to hook a user-defined function. (via DLL injection and inline function hooking)
To do that, I need to get the address of the function to hook in process memory.

I tried various methods to find the address, and finally came up with the equation below.

(offset) = (Address of function in EXE file) - (Image base of EXE file)

(Address of function in process memory) = (GetModuleHandle(NULL)) + (offset)

However, I am not sure if this equation always holds. (For example, when DLL Relocation occurs, I am worried that this equation may be wrong.)

In conclusion, I want to know whether this equation always holds. And if not, I'd like to know how to fix this equation.

(This article has been translated by Google Translate.)

< testwinapi / main.cpp >

I am new to Typescript/Javascript and I am trying to get to the grips with the potential of rxjs. I use this code

xeno is a fast XML parsing library. It's SAX-style parsing function has the following type:

I'm writing a pokemon like turn base battle simulator. I have gotten pretty far so well but I'm having a problem. I'm trying to write the moves as a dictionary so that I can then specify the move set for every monster in it's object. This way I have 1 dictionary holding all the moves and damage they do. Then I just pass those moves to the monsters which are the objects. This allows me to give each monster unique movesets and not have to specify the damage each move does everytime. The problem I'm having is in the while loop when the user picks the attack I'm getting the error

on my research on how to plot multiple line charts I came across the following paper:

https://arxiv.org/pdf/1808.06019.pdf

It is showing a way on how huge amount of time series data is displayed by combining every line chart with a common headmap, the result looks like kind of equal to this representation:

I was looking for an R package (but could not find anything) or a nice implementation for ggplot to achieve the same result. So I am able to plot a lot of geom_lines and color them differently but I do not know how to actually apply the headmap to it.

Does anyone has a hint/idea for me?

Thanks! Stephan

I'm using C++ dlopen() to link a shared library named as lib*.so (in directory A) in my main program (in directory B).

I experimented on some simple function loading. Every thing works very well. However, it gave me a headache when I was trying to load class and factory functions that return a pointer to the class object. (I'm using the terms from the tutorial below)

The methodology I used was based on the examples in chapter 3.3 of this tutorial https://www.tldp.org/HOWTO/C++-dlopen/thesolution.html#externC.

There is a bit of polymorphism here ... lib*.so contains a child class that inherits a parent abstract class from the main program directory (directory B). When dlopen() tries to load lib*.so in the main program, it failed due to "undefined symbol".

I used nm command to examine the symbol tables in lib*.so and main program binary. The symbols in these binaries are:

lib*.so : U _ZTI7ParentBox
main program binary: V _ZTI7ParentBox

ParentBox is the name of the parent class inherited by ChildBox in lib*.so. Note that parent class header file is in another project in directory B.

Although there is name mangling the symbol names are exactly the same. I'm just wondering why the dynamic linker cannot link them? and giving me undefeind symbol error for dlopen()?

Am I missing the understanding of some key concepts here?

P.S. more strangely, it was able to resolve the symbols for member functions between the child class (U type symbol) in lib*.so (T type symbol) and parent class. Why is it able to do this but not able to resolve the undefined symbol for parent class name?

(I've been searching around for a long time and tried -rdynamic, -ldl stuff though I'm not fully understood what they are, but nothing worked)

Update 04 April 2019: This is the g++ command line I used to make the main program binary.

I want to create a table of contents in three columns with dots connecting them: song.title......... author........... page

I tried to follow the example given by catchmyfame in Create leading dots in CSS but it's not working the way I expect. In fact, it's differently wrong when I display it as a local disk file than when I get it from my website.

Here's the URL of the page on my website: http://conchord.org/xeno/ix.fsm.html

Here's my CSS:

I tried this

I'm working on Xeno Kovah's example in slide 18 of Intermediate Assembly. He's using Visual Studios with Intel Assembly, inline. I've tried adapting that to GCC as follows. I'm compiling with -masm=intel -fPIC