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| //===-- BreakpointList.cpp --------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "lldb/Breakpoint/BreakpointList.h"
#include "lldb/Target/Target.h"
using namespace lldb;
using namespace lldb_private;
static void NotifyChange(const BreakpointSP &bp, BreakpointEventType event) {
Target &target = bp->GetTarget();
if (target.EventTypeHasListeners(Target::eBroadcastBitBreakpointChanged))
target.BroadcastEvent(Target::eBroadcastBitBreakpointChanged,
new Breakpoint::BreakpointEventData(event, bp));
}
BreakpointList::BreakpointList(bool is_internal)
: m_mutex(), m_breakpoints(), m_next_break_id(0),
m_is_internal(is_internal) {}
BreakpointList::~BreakpointList() {}
break_id_t BreakpointList::Add(BreakpointSP &bp_sp, bool notify) {
std::lock_guard<std::recursive_mutex> guard(m_mutex);
// Internal breakpoint IDs are negative, normal ones are positive
bp_sp->SetID(m_is_internal ? --m_next_break_id : ++m_next_break_id);
m_breakpoints.push_back(bp_sp);
if (notify)
NotifyChange(bp_sp, eBreakpointEventTypeAdded);
return bp_sp->GetID();
}
bool BreakpointList::Remove(break_id_t break_id, bool notify) {
std::lock_guard<std::recursive_mutex> guard(m_mutex);
auto it = std::find_if(
m_breakpoints.begin(), m_breakpoints.end(),
[&](const BreakpointSP &bp) { return bp->GetID() == break_id; });
if (it == m_breakpoints.end())
return false;
if (notify)
NotifyChange(*it, eBreakpointEventTypeRemoved);
m_breakpoints.erase(it);
return true;
}
void BreakpointList::RemoveInvalidLocations(const ArchSpec &arch) {
std::lock_guard<std::recursive_mutex> guard(m_mutex);
for (const auto &bp_sp : m_breakpoints)
bp_sp->RemoveInvalidLocations(arch);
}
void BreakpointList::SetEnabledAll(bool enabled) {
std::lock_guard<std::recursive_mutex> guard(m_mutex);
for (const auto &bp_sp : m_breakpoints)
bp_sp->SetEnabled(enabled);
}
void BreakpointList::SetEnabledAllowed(bool enabled) {
std::lock_guard<std::recursive_mutex> guard(m_mutex);
for (const auto &bp_sp : m_breakpoints)
if (bp_sp->AllowDisable())
bp_sp->SetEnabled(enabled);
}
void BreakpointList::RemoveAll(bool notify) {
std::lock_guard<std::recursive_mutex> guard(m_mutex);
ClearAllBreakpointSites();
if (notify) {
for (const auto &bp_sp : m_breakpoints)
NotifyChange(bp_sp, eBreakpointEventTypeRemoved);
}
m_breakpoints.clear();
}
void BreakpointList::RemoveAllowed(bool notify) {
std::lock_guard<std::recursive_mutex> guard(m_mutex);
for (const auto &bp_sp : m_breakpoints) {
if (bp_sp->AllowDelete())
bp_sp->ClearAllBreakpointSites();
if (notify)
NotifyChange(bp_sp, eBreakpointEventTypeRemoved);
}
m_breakpoints.erase(
std::remove_if(m_breakpoints.begin(), m_breakpoints.end(),
[&](const BreakpointSP &bp) { return bp->AllowDelete(); }),
m_breakpoints.end());
}
BreakpointList::bp_collection::iterator
BreakpointList::GetBreakpointIDIterator(break_id_t break_id) {
return std::find_if(
m_breakpoints.begin(), m_breakpoints.end(),
[&](const BreakpointSP &bp) { return bp->GetID() == break_id; });
}
BreakpointList::bp_collection::const_iterator
BreakpointList::GetBreakpointIDConstIterator(break_id_t break_id) const {
return std::find_if(
m_breakpoints.begin(), m_breakpoints.end(),
[&](const BreakpointSP &bp) { return bp->GetID() == break_id; });
}
BreakpointSP BreakpointList::FindBreakpointByID(break_id_t break_id) const {
std::lock_guard<std::recursive_mutex> guard(m_mutex);
auto it = GetBreakpointIDConstIterator(break_id);
if (it != m_breakpoints.end())
return *it;
return {};
}
bool BreakpointList::FindBreakpointsByName(const char *name,
BreakpointList &matching_bps) {
Status error;
if (!name)
return false;
if (!BreakpointID::StringIsBreakpointName(llvm::StringRef(name), error))
return false;
for (BreakpointSP bkpt_sp : Breakpoints()) {
if (bkpt_sp->MatchesName(name)) {
matching_bps.Add(bkpt_sp, false);
}
}
return true;
}
void BreakpointList::Dump(Stream *s) const {
std::lock_guard<std::recursive_mutex> guard(m_mutex);
s->Printf("%p: ", static_cast<const void *>(this));
s->Indent();
s->Printf("BreakpointList with %u Breakpoints:\n",
(uint32_t)m_breakpoints.size());
s->IndentMore();
for (const auto &bp_sp : m_breakpoints)
bp_sp->Dump(s);
s->IndentLess();
}
BreakpointSP BreakpointList::GetBreakpointAtIndex(size_t i) const {
std::lock_guard<std::recursive_mutex> guard(m_mutex);
if (i < m_breakpoints.size())
return m_breakpoints[i];
return {};
}
void BreakpointList::UpdateBreakpoints(ModuleList &module_list, bool added,
bool delete_locations) {
std::lock_guard<std::recursive_mutex> guard(m_mutex);
for (const auto &bp_sp : m_breakpoints)
bp_sp->ModulesChanged(module_list, added, delete_locations);
}
void BreakpointList::UpdateBreakpointsWhenModuleIsReplaced(
ModuleSP old_module_sp, ModuleSP new_module_sp) {
std::lock_guard<std::recursive_mutex> guard(m_mutex);
for (const auto &bp_sp : m_breakpoints)
bp_sp->ModuleReplaced(old_module_sp, new_module_sp);
}
void BreakpointList::ClearAllBreakpointSites() {
std::lock_guard<std::recursive_mutex> guard(m_mutex);
for (const auto &bp_sp : m_breakpoints)
bp_sp->ClearAllBreakpointSites();
}
void BreakpointList::GetListMutex(
std::unique_lock<std::recursive_mutex> &lock) {
lock = std::unique_lock<std::recursive_mutex>(m_mutex);
}
|