%safepoint ( -- )
CPU architecture description model

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Vocabulary
cpu.architecture

Word description
Emits a safe point to the current code sequence being generated.

Examples

USING: cpu.architecture make ; init-relocation [ %safepoint ] B{ } make disassemble
00000000010b05a0: 890500000000 mov [rip], eax

Definition

USING: system ;

IN: cpu.architecture

HOOK: %safepoint cpu ( -- )

Methods

USING: compiler.codegen.relocation compiler.constants
cpu.architecture cpu.arm.64 cpu.arm.64.assembler system ;

M: arm.64 %safepoint
    3 words temp0 LDRl 0 temp0 W0 STRuoff 3 words Br
    NOP NOP rc-absolute-cell rel-safepoint ;


USING: compiler.codegen.relocation compiler.constants
cpu.architecture cpu.x86.assembler cpu.x86.assembler.operands
system ;

M: x86.64 %safepoint
    0 [RIP+] EAX MOV rc-relative rel-safepoint ;