8000 Some structures' addresses refered by some NtFuncs need to be aligned to 8 bytes, how to solve it · Issue #16 · rwfpl/rewolf-wow64ext · GitHub
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Some structures' addresses refered by some NtFuncs need to be aligned to 8 bytes, how to solve it #16

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RicardoMilos opened this issue Jun 6, 2019 · 2 comments
Open

Some structures' addresses refered by some NtFuncs need to be aligned to 8 bytes, how to solve it #16

RicardoMilos opened this issue Jun 6, 2019 · 2 comments

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@RicardoMilos
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RicardoMilos commented Jun 6, 2019 •
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For instance, the arguments to NtCreateFile include a pointer to struct OBJECT_ATTRIBUTE and a pointer to struct IO_STATUS_BLOCK, when I prepare these structs before x64call without modifying esp, NtCreateFile will return STATUS_DATATYPE_MISALIGNMENT or STATUS_INVALID_PARAMETER if esp ≡ 4(mod 8). So I have to wrap NtCreateFile32 with full inline assembly. Quite inconvenient for me. Is there an alternative to fix this issue?
@Mecanik
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Mecanik commented Dec 29, 2019

Exact same issue here... I cannot get it to work properly.

@NN---
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NN--- commented Feb 29, 2020

https://en.cppreference.com/w/c/keyword/_Alignas

https://en.cppreference.com/w/c/language/_Alignas

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@NN--- @Mecanik @RicardoMilos
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