%local-allot ( dst size align offset -- )

Vocabulary

cpu.architecture

Inputs

dst	destination register symbol
size	number of bytes to allocate
align	alignment
offset	where to allocate the data, relative to the stack register

Outputs

None

Word description

Emits machine code for stack "allocating" a chunk of memory. No memory is really allocated and instead a pointer to it is just put in the destination register.

See also

##local-allot

Definition

USING: system ;

IN: cpu.architecture

HOOK: %local-allot cpu ( dst size align offset -- )

Methods

USING: cpu.architecture kernel system ;

M: arm.64 %local-allot 4drop ;


USING: compiler.cfg cpu.architecture cpu.x86 cpu.x86.assembler
system ;

M:: x86 %local-allot ( dst size align offset -- )
    dst offset local-allot-offset special-offset stack@ LEA ;