// Copyright (c) 2026 Petr Balvín <opensource@petrbalvin.org> (https://petrbalvin.org)
// SPDX-License-Identifier: BSD-3-Clause

//go:build linux && riscv64

package debug

import "fmt"

func printRegs(regs *Regs, codeBase, funcOff uint64) {
	fmt.Printf("  PC  = %#016x  (func+%#x)\n", regs.PC, regs.PC-codeBase-funcOff)
	fmt.Printf("  SP  = %#016x  FP  = %#016x\n", regs.Sp, regs.S0)
	fmt.Printf("  RA  = %#016x\n", regs.Ra)
	fmt.Printf("  A0  = %#016x  A1  = %#016x\n", regs.A0, regs.A1)
	fmt.Printf("  A2  = %#016x  A3  = %#016x\n", regs.A2, regs.A3)
	fmt.Printf("  A4  = %#016x  A5  = %#016x\n", regs.A4, regs.A5)
	fmt.Printf("  A6  = %#016x  A7  = %#016x\n", regs.A6, regs.A7)
	fmt.Printf("  T0  = %#016x  T1  = %#016x\n", regs.T0, regs.T1)
	fmt.Printf("  T2  = %#016x  T3  = %#016x\n", regs.T2, regs.T3)
	fmt.Printf("  T4  = %#016x  T5  = %#016x\n", regs.T4, regs.T5)
	fmt.Printf("  T6  = %#016x\n", regs.T6)
	fmt.Printf("  S1  = %#016x  S2  = %#016x\n", regs.S1, regs.S2)
	fmt.Printf("  S3  = %#016x  S4  = %#016x\n", regs.S3, regs.S4)
	fmt.Printf("  S5  = %#016x  S6  = %#016x\n", regs.S5, regs.S6)
	fmt.Printf("  S7  = %#016x  S8  = %#016x\n", regs.S7, regs.S8)
	fmt.Printf("  S9  = %#016x  S10 = %#016x\n", regs.S9, regs.S10)
	fmt.Printf("  S11 = %#016x\n", regs.S11)
}

func printVectorRegs(v *VectorRegs) {
	// No vector registers to display for riscv64 yet.
}

// archReturnAddr reads the return address from RA (riscv64 convention).
func archReturnAddr(s *Session, regs *Regs) (uint64, error) {
	return regs.Ra, nil
}

// archSPLabel returns the SP register name for display.
func archSPLabel() string { return "SP" }