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55 lines
1.7 KiB
55 lines
1.7 KiB
use crate::asm::data::{Rd, RdObj, Wr};
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use crate::asm::data::literal::{DebugMsg, Label, RoutineName};
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use crate::asm::instr::{Cond, Op};
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#[derive(Debug)]
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pub enum BuiltinOp {
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/// Do nothing
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Nop,
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/// Stop execution
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Halt,
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/// Mark a jump target.
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Label(Label),
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/// Jump to a label
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Jump(Label),
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/// Jump to a label if a flag is set
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JumpIf(Cond, Label),
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/// Far jump to a label if a flag is set
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FarJumpIf(Cond, Label),
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/// Mark a far jump target (can be jumped to from another routine).
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/// This label is preserved in optimized code.
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FarLabel(Label),
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/// Jump to a label that can be in another function
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FarJump(Label),
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/// Call a routine with arguments.
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/// The arguments are passed as argX. Return values are stored in resX registers.
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Call(RoutineName, Vec<Rd>),
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/// Exit the current routine with return values
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Ret(Vec<Rd>),
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/// Mark a routine entry point (call target).
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/// Kept in the low level instruction file for position-independent code
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Routine(RoutineName),
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/// Skip backward or forward
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Skip(Rd),
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/// Skip if a flag is set
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SkipIf(Cond, Rd),
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/// Deny jumps, skips and run across this address, producing a run-time fault with a message.
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Barrier(Option<DebugMsg>),
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/// Generate a run-time fault with a debugger message
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Fault(Option<DebugMsg>),
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/// Deallocate an object.
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/// The object is released and the handle becomes invalid.
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Drop(RdObj),
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/// Copy value
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Move { dst: Wr, src: Rd },
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/// Store runtime status to a register
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StoreStatus { dst: Wr },
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/// Load runtime status from a register
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LoadStatus { src: Rd },
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}
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impl From<BuiltinOp> for Op {
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fn from(bo: BuiltinOp) -> Self {
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Op::BuiltIn(bo)
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}
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}
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