| // Copyright 2019 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef SRC_DEVELOPER_DEBUG_DEBUG_AGENT_WATCHPOINT_H_ |
| #define SRC_DEVELOPER_DEBUG_DEBUG_AGENT_WATCHPOINT_H_ |
| |
| #include <stdint.h> |
| |
| #include <set> |
| |
| #include "src/developer/debug/debug_agent/arch.h" |
| #include "src/developer/debug/debug_agent/process_breakpoint.h" |
| #include "src/developer/debug/debug_agent/watchpoint_info.h" |
| |
| namespace debug_agent { |
| |
| class Watchpoint : public ProcessBreakpoint { |
| public: |
| // |type| must be kRead, kReadWrite or kWrite. |
| explicit Watchpoint(debug_ipc::BreakpointType type, Breakpoint* breakpoint, |
| DebuggedProcess* process, const debug::AddressRange& range); |
| ~Watchpoint(); |
| |
| debug_ipc::BreakpointType Type() const override { return type_; } |
| bool Installed(zx_koid_t thread_koid) const override; |
| |
| bool MatchesException(zx_koid_t thread_koid, uint64_t watchpoint_address, int slot); |
| |
| debug::Status Update() override; |
| |
| // Public ProcessBreakpoint overrides. See ProcessBreakpoint for more details. |
| |
| void EndStepOver(DebuggedThread* thread) override; |
| void ExecuteStepOver(DebuggedThread* thread) override; |
| void StepOverCleanup(DebuggedThread* thread) override {} |
| |
| // Getters. |
| |
| const std::map<zx_koid_t, WatchpointInfo>& installed_threads() const { |
| return installed_threads_; |
| } |
| |
| const debug::AddressRange& range() const { return range_; } |
| |
| private: |
| bool Install(DebuggedThread* thread); |
| |
| debug::Status Uninstall(DebuggedThread* thread) override; |
| debug::Status Uninstall() override; |
| |
| debug_ipc::BreakpointType type_ = debug_ipc::BreakpointType::kLast; |
| |
| debug::AddressRange range_; |
| |
| std::map<zx_koid_t, WatchpointInfo> installed_threads_; |
| std::set<zx_koid_t> current_stepping_over_threads_; |
| }; |
| |
| } // namespace debug_agent |
| |
| #endif // SRC_DEVELOPER_DEBUG_DEBUG_AGENT_WATCHPOINT_H_ |