48 lines
1.0 KiB
Go
48 lines
1.0 KiB
Go
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// Copyright (c) 2026 Petr Balvín <opensource@petrbalvin.org> (https://petrbalvin.org)
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// SPDX-License-Identifier: BSD-3-Clause
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//go:build linux && loong64
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package debug
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import "fmt"
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// WatchpointType selects what triggers the watchpoint.
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type WatchpointType int
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const (
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WatchWrite WatchpointType = 1
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WatchRead WatchpointType = 3
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)
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// wpSlots tracks watchpoint slot occupancy.
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var wpSlots [4]bool
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func (s *Session) FindFreeWatchpointSlot() int {
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for i := 0; i < 4; i++ {
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if !wpSlots[i] {
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return i
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}
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}
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return -1
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}
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func (s *Session) IsWatchpointSlotUsed(slot int) bool {
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if slot < 0 || slot > 3 {
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return false
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}
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return wpSlots[slot]
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}
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func (s *Session) SetWatchpoint(slot int, addr uint64, typ WatchpointType, size int) error {
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return fmt.Errorf("debug: hardware watchpoints not yet implemented for loong64")
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}
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func (s *Session) ClearWatchpoint(slot int) error {
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return fmt.Errorf("debug: hardware watchpoints not yet implemented for loong64")
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}
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func (s *Session) ClearAllWatchpoints() error {
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return nil
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}
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