![]() This type of license is used for software or games that are intended for sale or commercial use. Along with time limitations, sometimes trial programs may also limit the features. Trial programs give the user a chance to use it for a particular time, generally 15-90 days, to check whether the software fits his/her requirements or not. However, in some cases, all features become unavailable if you do not get the program license. Demos are available for an unlimited period. If the user wants advanced features or an ad-free experience, then he/she needs to pay for it. Demoĭemo software offers limited features for free. However, if the user wants additional features, then he/she can pay for them. Free-to-play games can be downloaded and played without any charges. It is a license type used specifically for video games. Such software is free for both personal and commercial use. Open Source programs allow the user to check, change, or improve the software’s code. Such programs can be used freely in both personal and commercial environments for unlimited time. FreewareĪs it is evident from the name, freeware is software that is available for download without any charges whatsoever. Below are the commonly used license types. The major point of my posts is to aid in the learning process.Every software has a unique license type that you can find on the program page, search, or the webpage of category. I may also give inefficient code or introduce some problems to discourage copy/paste coding. They are meant to just illustrate a point. Any samples given are not meant to have error checking or show best practices. What the _MEMORY_BASIC_INFORMATION64 structure does enable is that you can call this in the process that is debugging the 64 bit process, and then using the IPC channel of your choice, send it back directly to the 32 bit debugging host. I remember it returning the NTSTATUS 0xC00000BB for this. If you try to get the 32 bit version of windbg to start or attach to a 64 bit process, it will just refuse. This is a 64 bit executable so it can debug directly. If you look at what Microsoft debuggers do, Visual Studio itself will debug directly when a 32 bit process is started, but when a 64 bit process is started then it will use msvsmon.exe as the remote debugger. But because VirtualQueryEx states that it takes MEMORY_BASIC_INFORMATION, this would actually imply the version defined for that platform only. Implied that the explicit versions of MEMORY_BASIC_INFORMATION could be used. If anything, it seems that you thought the documentation The thing to remember is that the documentation only states that VirtualQueryEx can take MEMORY_BASIC_INFORMATION if it was able to take one of the explicit forms then the documentation would have said so. The documentation doesn't actually say that VirtualQuery or VirtualQueryEx can take the explicit versions though. Is this just something that got abandoned before it turned into an actual way to debug mixed targets, or is there some way this was all supposed to work that I am just missing? ![]() So if calls on both 32-bit and 64-bit implementations are hard-coded to either ignore the sizeof() or fail unless it is a specific value, plus no way to call VirtualQueryEx() on an address outside of the 32-bit range on 32-bit programs, how is this On 64-bit programs if you pass sizeof( MEMORY_BASIC_INFORMATION32 ) it always fails, even if the target is Wow64. The only place this is used is in the VirtualQuery() and VirtualQueryEx() functions, but even if you pass sizeof( MEMORY_BASIC_INFORMATION64 ) on 32-bit calls it still fills out the structure as if it was MEMORY_BASIC_INFORMATION32 and returnsĠx1C (on 64-bit calls it fills the structure out properly and returns 0x30). “To enable a debugger to debug a target that is running on a different architecture (32-bit versus 64-bit), use one of the explicit forms of this structure.” I can do that if it comes down to it, but the documentation says:
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