54 lines
2.0 KiB
ArmAsm
54 lines
2.0 KiB
ArmAsm
#define JUMP_QUOT \
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mov QUOT_XT_OFFSET(ARG0),XT_REG ; /* Load quot-xt */ \
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jmp *XT_REG /* Jump to quot-xt */
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DEF(FASTCALL void,c_to_factor,(CELL quot)):
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PUSH_NONVOLATILE
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push ARG0 /* Save quot */
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lea -CELL_SIZE(STACK_REG),ARG0 /* Save stack pointer */
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call MANGLE(save_callstack_bottom)
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mov (STACK_REG),ARG0 /* Pass quot as arg 1 */
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mov QUOT_XT_OFFSET(ARG0),XT_REG
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call *XT_REG /* Call quot-xt */
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POP ARG0
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POP_NONVOLATILE
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ret
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DEF(FASTCALL void,undefined,(CELL word)):
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mov STACK_REG,ARG1 /* Pass callstack pointer */
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jmp MANGLE(undefined_error) /* This throws an error */
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DEF(FASTCALL void,dosym,(CELL word)):
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add $CELL_SIZE,DS_REG /* Increment stack pointer */
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mov ARG0,(DS_REG) /* Store word on stack */
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ret
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/* Here we have two entry points. The first one is taken when profiling is
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enabled */
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DEF(FASTCALL void,docol_profiling,(CELL word)):
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add $CELL_SIZE,PROFILING_OFFSET(ARG0) /* Increment profile-count slot */
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DEF(FASTCALL void,docol,(CELL word)):
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mov WORD_DEF_OFFSET(ARG0),ARG0 /* Load word-def slot */
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JUMP_QUOT
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/* We must pass the XT to the quotation in ECX. */
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DEF(FASTCALL void,primitive_call,(void)):
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mov (DS_REG),ARG0 /* Load quotation from data stack */
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sub $CELL_SIZE,DS_REG /* Pop data stack */
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JUMP_QUOT
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/* We pass the word in EAX and the XT in ECX. Don't mess up EDX, it's the
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callstack top parameter to primitives. */
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DEF(FASTCALL void,primitive_execute,(void)):
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mov (DS_REG),ARG0 /* Load word from data stack */
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sub $CELL_SIZE,DS_REG /* Pop data stack */
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mov WORD_XT_OFFSET(ARG0),XT_REG /* Load word-xt slot */
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jmp *XT_REG /* Go */
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DEF(FASTCALL void,throw_impl,(CELL quot, F_STACK_FRAME *rewind_to)):
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mov ARG1,STACK_REG /* rewind_to */
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JUMP_QUOT
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