Syscalls are the way a Software Application Program can interact with the underlining Operating System, everything from displaying a character on the screen to reading a file from the harddrive will generate syscalls. In this post we’ll analyse syscalls in details with examples on different CPU architectures and Operating Systems.
System Calls (Part I)
by Paolo Fabio Zaino in Assembler, OS Internals, Programming and tagged 32bits, 64bits, ARM, Assembler, BSD, cpu context, Intel, kernel address space, kernel linux, kernel mode, Linux, Operating System, PowerPC, PPC, RISC OS, Spark, syscall, Windows, x86, x86_64 |
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