Most popular

What is amd64 ABI?

What is amd64 ABI?

64-bit applications are described using Executable and Linking Format (ELF64), which allows large applications and large address spaces to be described completely.

What is SYSV abi?

The System V Application Binary Interface is a set of specifications that detail calling conventions, object file formats, executable file formats, dynamic linking semantics, and much more for systems that complies with the X/Open Common Application Environment Specification and the System V Interface Definition.

What does cdecl mean in C?

The cdecl (which stands for C declaration) is a calling convention that originates from Microsoft’s compiler for the C programming language and is used by many C compilers for the x86 architecture. In cdecl, subroutine arguments are passed on the stack.

What is XMM register?

XMM registers, instead, are a completely separate registers set, introduced with SSE and still widely used to this day. They are 128 bit wide, with instructions that can treat them as arrays of 64, 32 (integer and floating point),16 or 8 bit (integer only) values. You have 8 of them in 32 bit mode, 16 in 64 bit.

What is callee saved?

Callee saved means that the callee has to save the registers and then restore them at the end of the call because they have the guarantee to the caller of containing the same values after the function returns, and it is possible to restore them, even if they are clobbered at some point during the call.

Is RSP caller saved?

Show activity on this post. From the wikipedia x86 calling convention, it says that for the Microsoft x64 calling convention: The registers RBX, RBP, RDI, RSI, RSP, R12, R13, R14, and R15 are considered nonvolatile (callee-saved).

What is RDI register?

Architectures define a calling convention which dictates where parameters to a function and its return value are stored. In Objective-C, the RDI register is the reference of the calling NSObject , RSI is the Selector, RDX is the first parameter and so on.

What is Stdcall in assembly language?

STDCALL functions are name-decorated with a leading underscore, followed by an @, and then the number (in bytes) of arguments passed on the stack. This number will always be a multiple of 4, on a 32-bit aligned machine.

How are parameters passed in x86?

On x86-64 Linux, the first six function arguments are passed in registers %rdi , %rsi , %rdx , %rcx , %r8 , and %r9 , respectively. The seventh and subsequent arguments are passed on the stack, about which more below. The return value is passed in register %rax .

What does XMM mean?

XMM, or ‘xiao mei mei’, means ‘little sister’ or ‘little girl’ in Mandarin. Urban Dictionary defines XMM as a girl around the ages of 12 to 15 who smokes Viceroy Hokkaido Mint, dates someone older than her, and posts videos on TikTok.

Related Posts

How much is Kingsborough Community College a semester?

How much is Kingsborough Community College a semester? SPRING 2022 TUITION RATES RESIDENT STUDENTS NON-RESIDENT STUDENTS FULL-TIME (12-18 Credits/equated credits) $2,400 per semester $320 per credit PART-TIME (1-11…

How do you make fermented rice cakes?

How do you make fermented rice cakes? Instructions In a medium mixing bowl, add rice flour, glutinous rice flour, and mix until well combined. Pour in the ¾…

When was the first Academy Awards held?

When was the first Academy Awards held? May 16, 19291st Academy Awards / Date When the first Academy Awards® were handed out on May 16, 1929, at an…

What is DB2COPY1?

What is DB2COPY1? DB2COPY1 is the default name of the Db2 copy that is the first installation of a Db2 database product on your machine. This same name…

How do I Group clips in Pro Tools?

How do I Group clips in Pro Tools? A Clip Group is best described as a “container” in which you can put multiple clips. They’re created easily, by…

Is An American Werewolf in Paris a sequel?

Is An American Werewolf in Paris a sequel? It follows the general concept of, and is a sequel to, John Landis’s 1981 film An American Werewolf in London….