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  • Strcpy Using Cdecl And Sysenter Calling Conventions

    strcpy using cdecl and sysenter calling convention Intro: I will be making a binary that Implements strcpy and strlen without a libc Allocates a single page of dynamic memory Copies a string into that memory See [Part 1]() and [Quick and Dirty Assembly]() CDECL Calling conventions The calling convention for...

  • Strcpy Using Sysv Calling Convention

    strcpy using sysv calling convention Intro: I will be making a binary that Implements strcpy and strlen without a libc Allocates a single page of dynamic memory Copies a string into that memory See [Part 1]() and [Quick and Dirty Assembly]() SYSV Calling conventions The x86-64 ABI for linux can...

  • Pure Assembly Binary

    pure assembly binary Writing strcpy in pure assembly I was given a suggestion to write strcpy in three different calling conventions: SYSV, cdecl, and stdcall. I decided to take that suggestion and run with it. Could I do it in pure assembly with no C library? It would require me...