//go:build linux && (mipsle || mips64le)

package unix

import "unsafe"

// PtraceRegsMipsle is the registers used by mipsle binaries.
type PtraceRegsMipsle struct {
	Regs     [32]uint64
	Lo       uint64
	Hi       uint64
	Epc      uint64
	Badvaddr uint64
	Status   uint64
	Cause    uint64
}

// PtraceGetRegsMipsle fetches the registers used by mipsle binaries.
func PtraceGetRegsMipsle(pid int, regsout *PtraceRegsMipsle) error {

	Xcs      int32
	Eflags   int32
	Esp      int32
	Xss      int32
}

// PtraceGetRegs386 fetches the registers used by 386 binaries.
func PtraceGetRegs386(pid int, regsout *PtraceRegs386) error {
	return ptracePtr(PTRACE_GETREGS, pid, 0, unsafe.Pointer(regsout))
}

// PtraceSetRegs386 sets the registers used by 386 binaries.
func PtraceSetRegs386(pid int, regs *PtraceRegs386) error {

	slots []VarLoc
	// The slots present in each register, indexed by register number.
	registers [][]SlotID
}

// reset fills state with the live variables from live.
func (state *stateAtPC) reset(live abt.T) {
	slots, registers := state.slots, state.registers
	for i := range slots {
		slots[i] = VarLoc{}
	}
	for i := range registers {
		registers[i] = registers[i][:0]
	}
	for it := live.Iterator(); !it.Done(); {

// SchemeGroupVersion is group version used to register these objects
var SchemeGroupVersion = schema.GroupVersion{Group: GroupName, Version: runtime.APIVersionInternal}

var (
	// SchemeBuilder is the scheme builder with scheme init functions to run for this API package
	SchemeBuilder = runtime.NewSchemeBuilder(addKnownTypes)
	// AddToScheme is a global function that registers this API group & version to a scheme

	REGCTXT      = REG_DX
	REGENTRYTMP0 = REG_R12     // scratch register available at function entry in ABIInternal
	REGENTRYTMP1 = REG_R13     // scratch register available at function entry in ABIInternal
	REGG         = REG_R14     // g register in ABIInternal
	REGEXT       = REG_R15     // compiler allocates external registers R15 down
	FREGMIN      = REG_X0 + 5  // first register variable
	FREGEXT      = REG_X0 + 15 // first external register

	ctxt.set_pc(ctxt.pc() + 4)
}

// case 16
func (h *debugCallHandler) restoreSigContext(ctxt *sigctxt) {
	// Restore all registers except for pc and sp
	pc, sp := ctxt.pc(), ctxt.sp()
	*ctxt.cregs() = h.sigCtxt.savedRegs
	ctxt.set_pc(pc + 4)
	ctxt.set_sp(sp)
}

// storeRegArgs sets up argument registers in the signal
// context state from an abi.RegArgs.
//
// Both src and dst must be non-nil.

// SchemeGroupVersion is group version used to register these objects
var SchemeGroupVersion = schema.GroupVersion{Group: GroupName, Version: runtime.APIVersionInternal}

var (
	// SchemeBuilder is the scheme builder with scheme init functions to run for this API package
	SchemeBuilder = runtime.NewSchemeBuilder(addKnownTypes)
	// AddToScheme is a global function that registers this API group & version to a scheme

// SchemeGroupVersion is group version used to register these objects
var SchemeGroupVersion = schema.GroupVersion{Group: GroupName, Version: runtime.APIVersionInternal}

var (
	// SchemeBuilder is the scheme builder with scheme init functions to run for this API package
	SchemeBuilder = runtime.NewSchemeBuilder(addKnownTypes)
	// AddToScheme is a global function that registers this API group & version to a scheme

// Saves C callee-saved registers and calls cgocallback with three arguments.
// fn is the PC of a func(a unsafe.Pointer) function.
TEXT crosscall2(SB),NOSPLIT|NOFRAME,$0
	SUB	$(8*9), R13 // Reserve space for the floating point registers.
	// The C arguments arrive in R0, R1, R2, and R3. We want to
	// pass R0, R1, and R3 to Go, so we push those on the stack.
	// Also, save C callee-save registers R4-R12.

	// used to make pointers passed or returned  in registers
	// visible to the GC by making the type unsafe.Pointer.
	Ptrs [IntArgRegs]unsafe.Pointer

	// ReturnIsPtr is a bitmap that indicates which registers
	// contain or will contain pointers on the return path from
	// a reflectcall. The i'th bit indicates whether the i'th
	// register contains or will contain a valid Go pointer.
	ReturnIsPtr IntArgRegBitmap
}