| 1 | //===-- Watchpoint.cpp ------------------------------------------*- C++ -*-===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "Watchpoint.h" |
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| 10 | #include "DAP.h" |
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| 11 | #include "Protocol/ProtocolTypes.h" |
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| 12 | #include "lldb/API/SBTarget.h" |
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| 13 | #include "lldb/lldb-enumerations.h" |
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| 14 | #include "llvm/ADT/StringExtras.h" |
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| 15 | #include "llvm/ADT/StringRef.h" |
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| 16 | #include <cstdint> |
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| 17 | #include <string> |
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| 18 | |
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| 19 | namespace lldb_dap { |
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| 20 | Watchpoint::Watchpoint(DAP &d, const protocol::DataBreakpoint &breakpoint) |
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| 21 | : BreakpointBase(d, breakpoint.condition, breakpoint.hitCondition) { |
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| 22 | llvm::StringRef dataId = breakpoint.dataId; |
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| 23 | auto [addr_str, size_str] = dataId.split(Separator: '/'); |
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| 24 | llvm::to_integer(S: addr_str, Num&: m_addr, Base: 16); |
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| 25 | llvm::to_integer(S: size_str, Num&: m_size); |
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| 26 | m_options.SetWatchpointTypeRead(breakpoint.accessType != |
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| 27 | protocol::eDataBreakpointAccessTypeWrite); |
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| 28 | if (breakpoint.accessType != protocol::eDataBreakpointAccessTypeRead) |
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| 29 | m_options.SetWatchpointTypeWrite(lldb::eWatchpointWriteTypeOnModify); |
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| 30 | } |
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| 31 | |
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| 32 | void Watchpoint::SetCondition() { m_wp.SetCondition(m_condition.c_str()); } |
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| 33 | |
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| 34 | void Watchpoint::SetHitCondition() { |
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| 35 | uint64_t hitCount = 0; |
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| 36 | if (llvm::to_integer(S: m_hit_condition, Num&: hitCount)) |
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| 37 | m_wp.SetIgnoreCount(hitCount - 1); |
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| 38 | } |
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| 39 | |
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| 40 | protocol::Breakpoint Watchpoint::ToProtocolBreakpoint() { |
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| 41 | protocol::Breakpoint breakpoint; |
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| 42 | if (!m_error.IsValid() || m_error.Fail()) { |
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| 43 | breakpoint.verified = false; |
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| 44 | if (m_error.Fail()) |
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| 45 | breakpoint.message = m_error.GetCString(); |
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| 46 | } else { |
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| 47 | breakpoint.verified = true; |
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| 48 | } |
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| 49 | |
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| 50 | return breakpoint; |
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| 51 | } |
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| 52 | |
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| 53 | void Watchpoint::SetWatchpoint() { |
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| 54 | m_wp = m_dap.target.WatchpointCreateByAddress(addr: m_addr, size: m_size, options: m_options, |
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| 55 | error&: m_error); |
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| 56 | if (!m_condition.empty()) |
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| 57 | SetCondition(); |
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| 58 | if (!m_hit_condition.empty()) |
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| 59 | SetHitCondition(); |
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| 60 | } |
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| 61 | } // namespace lldb_dap |
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| 62 | |
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