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package org.graalvm.compiler.lir.sparc;

import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.REG;
import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.STACK;

import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler;
import org.graalvm.compiler.lir.LIRInstructionClass;
import org.graalvm.compiler.lir.Opcode;
import org.graalvm.compiler.lir.asm.CompilationResultBuilder;

import jdk.vm.ci.meta.Value;

Emits a breakpoint.
/** * Emits a breakpoint. */
@Opcode("BREAKPOINT") public final class SPARCBreakpointOp extends SPARCLIRInstruction { public static final LIRInstructionClass<SPARCBreakpointOp> TYPE = LIRInstructionClass.create(SPARCBreakpointOp.class); public static final SizeEstimate SIZE = SizeEstimate.create(1); // historical - from hotspot src/cpu/sparc/vm // <sys/trap.h> promises that the system will not use traps 16-31 // We want to use ST_BREAKPOINT here, but the debugger is confused by it. public static final int ST_RESERVED_FOR_USER_0 = 0x10;
A set of values loaded into the Java ABI parameter locations (for inspection by a debugger).
/** * A set of values loaded into the Java ABI parameter locations (for inspection by a debugger). */
@Use({REG, STACK}) protected Value[] parameters; public SPARCBreakpointOp(Value[] parameters) { super(TYPE, SIZE); this.parameters = parameters; } @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { masm.ta(ST_RESERVED_FOR_USER_0); } }