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llvm-project/lldb/source/API/SBBreakpoint.cpp

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//===-- SBBreakpoint.cpp ----------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/API/SBBreakpoint.h"
#include "lldb/API/SBBreakpointLocation.h"
#include "lldb/API/SBDebugger.h"
#include "lldb/API/SBEvent.h"
#include "lldb/API/SBProcess.h"
#include "lldb/API/SBStream.h"
#include "lldb/API/SBStringList.h"
#include "lldb/API/SBThread.h"
#include "lldb/Breakpoint/Breakpoint.h"
#include "lldb/Breakpoint/BreakpointLocation.h"
#include "lldb/Breakpoint/StoppointCallbackContext.h"
#include "lldb/Core/Address.h"
#include "lldb/Core/Debugger.h"
#include "lldb/Core/Log.h"
#include "lldb/Core/Stream.h"
#include "lldb/Core/StreamFile.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Interpreter/ScriptInterpreter.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/SectionLoadList.h"
#include "lldb/Target/Target.h"
#include "lldb/Target/Thread.h"
#include "lldb/Target/ThreadSpec.h"
#include "lldb/lldb-enumerations.h"
using namespace lldb;
using namespace lldb_private;
struct CallbackData
{
SBBreakpoint::BreakpointHitCallback callback;
void *callback_baton;
};
class SBBreakpointCallbackBaton : public Baton
{
public:
SBBreakpointCallbackBaton (SBBreakpoint::BreakpointHitCallback callback, void *baton) :
Baton (new CallbackData)
{
CallbackData *data = (CallbackData *)m_data;
data->callback = callback;
data->callback_baton = baton;
}
virtual ~SBBreakpointCallbackBaton()
{
CallbackData *data = (CallbackData *)m_data;
if (data)
{
delete data;
m_data = NULL;
}
}
};
SBBreakpoint::SBBreakpoint () :
m_opaque_sp ()
{
}
SBBreakpoint::SBBreakpoint (const SBBreakpoint& rhs) :
m_opaque_sp (rhs.m_opaque_sp)
{
}
SBBreakpoint::SBBreakpoint (const lldb::BreakpointSP &bp_sp) :
m_opaque_sp (bp_sp)
{
}
SBBreakpoint::~SBBreakpoint()
{
}
const SBBreakpoint &
SBBreakpoint::operator = (const SBBreakpoint& rhs)
{
if (this != &rhs)
m_opaque_sp = rhs.m_opaque_sp;
return *this;
}
bool
SBBreakpoint::operator == (const lldb::SBBreakpoint& rhs)
{
if (m_opaque_sp && rhs.m_opaque_sp)
return m_opaque_sp.get() == rhs.m_opaque_sp.get();
return false;
}
bool
SBBreakpoint::operator != (const lldb::SBBreakpoint& rhs)
{
if (m_opaque_sp && rhs.m_opaque_sp)
return m_opaque_sp.get() != rhs.m_opaque_sp.get();
return (m_opaque_sp && !rhs.m_opaque_sp) || (rhs.m_opaque_sp && !m_opaque_sp);
}
break_id_t
SBBreakpoint::GetID () const
{
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
break_id_t break_id = LLDB_INVALID_BREAK_ID;
if (m_opaque_sp)
break_id = m_opaque_sp->GetID();
if (log)
{
if (break_id == LLDB_INVALID_BREAK_ID)
log->Printf ("SBBreakpoint(%p)::GetID () => LLDB_INVALID_BREAK_ID",
static_cast<void*>(m_opaque_sp.get()));
else
log->Printf ("SBBreakpoint(%p)::GetID () => %u",
static_cast<void*>(m_opaque_sp.get()), break_id);
}
return break_id;
}
bool
SBBreakpoint::IsValid() const
{
if (!m_opaque_sp)
return false;
else if (m_opaque_sp->GetTarget().GetBreakpointByID(m_opaque_sp->GetID()))
return true;
else
return false;
}
void
SBBreakpoint::ClearAllBreakpointSites ()
{
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
m_opaque_sp->ClearAllBreakpointSites ();
}
}
SBBreakpointLocation
SBBreakpoint::FindLocationByAddress (addr_t vm_addr)
{
SBBreakpointLocation sb_bp_location;
if (m_opaque_sp)
{
if (vm_addr != LLDB_INVALID_ADDRESS)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
Address address;
Target &target = m_opaque_sp->GetTarget();
if (target.GetSectionLoadList().ResolveLoadAddress (vm_addr, address) == false)
{
address.SetRawAddress (vm_addr);
}
sb_bp_location.SetLocation (m_opaque_sp->FindLocationByAddress (address));
}
}
return sb_bp_location;
}
break_id_t
SBBreakpoint::FindLocationIDByAddress (addr_t vm_addr)
{
break_id_t break_id = LLDB_INVALID_BREAK_ID;
if (m_opaque_sp && vm_addr != LLDB_INVALID_ADDRESS)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
Address address;
Target &target = m_opaque_sp->GetTarget();
if (target.GetSectionLoadList().ResolveLoadAddress (vm_addr, address) == false)
{
address.SetRawAddress (vm_addr);
}
break_id = m_opaque_sp->FindLocationIDByAddress (address);
}
return break_id;
}
SBBreakpointLocation
SBBreakpoint::FindLocationByID (break_id_t bp_loc_id)
{
SBBreakpointLocation sb_bp_location;
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
sb_bp_location.SetLocation (m_opaque_sp->FindLocationByID (bp_loc_id));
}
return sb_bp_location;
}
SBBreakpointLocation
SBBreakpoint::GetLocationAtIndex (uint32_t index)
{
SBBreakpointLocation sb_bp_location;
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
sb_bp_location.SetLocation (m_opaque_sp->GetLocationAtIndex (index));
}
return sb_bp_location;
}
void
SBBreakpoint::SetEnabled (bool enable)
{
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBBreakpoint(%p)::SetEnabled (enabled=%i)",
static_cast<void*>(m_opaque_sp.get()), enable);
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
m_opaque_sp->SetEnabled (enable);
}
}
bool
SBBreakpoint::IsEnabled ()
{
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
return m_opaque_sp->IsEnabled();
}
else
return false;
}
void
SBBreakpoint::SetOneShot (bool one_shot)
{
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBBreakpoint(%p)::SetOneShot (one_shot=%i)",
static_cast<void*>(m_opaque_sp.get()), one_shot);
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
m_opaque_sp->SetOneShot (one_shot);
}
}
bool
SBBreakpoint::IsOneShot () const
{
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
return m_opaque_sp->IsOneShot();
}
else
return false;
}
bool
SBBreakpoint::IsInternal ()
{
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
return m_opaque_sp->IsInternal();
}
else
return false;
}
void
SBBreakpoint::SetIgnoreCount (uint32_t count)
{
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBBreakpoint(%p)::SetIgnoreCount (count=%u)",
static_cast<void*>(m_opaque_sp.get()), count);
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
m_opaque_sp->SetIgnoreCount (count);
}
}
void
SBBreakpoint::SetCondition (const char *condition)
{
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
m_opaque_sp->SetCondition (condition);
}
}
const char *
SBBreakpoint::GetCondition ()
{
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
return m_opaque_sp->GetConditionText ();
}
return NULL;
}
uint32_t
SBBreakpoint::GetHitCount () const
{
uint32_t count = 0;
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
count = m_opaque_sp->GetHitCount();
}
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBBreakpoint(%p)::GetHitCount () => %u",
static_cast<void*>(m_opaque_sp.get()), count);
return count;
}
uint32_t
SBBreakpoint::GetIgnoreCount () const
{
uint32_t count = 0;
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
count = m_opaque_sp->GetIgnoreCount();
}
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBBreakpoint(%p)::GetIgnoreCount () => %u",
static_cast<void*>(m_opaque_sp.get()), count);
return count;
}
void
SBBreakpoint::SetThreadID (tid_t tid)
{
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
m_opaque_sp->SetThreadID (tid);
}
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBBreakpoint(%p)::SetThreadID (tid=0x%4.4" PRIx64 ")",
static_cast<void*>(m_opaque_sp.get()), tid);
}
tid_t
SBBreakpoint::GetThreadID ()
{
tid_t tid = LLDB_INVALID_THREAD_ID;
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
tid = m_opaque_sp->GetThreadID();
}
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBBreakpoint(%p)::GetThreadID () => 0x%4.4" PRIx64,
static_cast<void*>(m_opaque_sp.get()), tid);
return tid;
}
void
SBBreakpoint::SetThreadIndex (uint32_t index)
{
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBBreakpoint(%p)::SetThreadIndex (%u)",
static_cast<void*>(m_opaque_sp.get()), index);
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
m_opaque_sp->GetOptions()->GetThreadSpec()->SetIndex (index);
}
}
uint32_t
SBBreakpoint::GetThreadIndex() const
{
uint32_t thread_idx = UINT32_MAX;
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
const ThreadSpec *thread_spec = m_opaque_sp->GetOptions()->GetThreadSpecNoCreate();
if (thread_spec != NULL)
thread_idx = thread_spec->GetIndex();
}
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBBreakpoint(%p)::GetThreadIndex () => %u",
static_cast<void*>(m_opaque_sp.get()), thread_idx);
return thread_idx;
}
void
SBBreakpoint::SetThreadName (const char *thread_name)
{
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBBreakpoint(%p)::SetThreadName (%s)",
static_cast<void*>(m_opaque_sp.get()), thread_name);
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
m_opaque_sp->GetOptions()->GetThreadSpec()->SetName (thread_name);
}
}
const char *
SBBreakpoint::GetThreadName () const
{
const char *name = NULL;
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
const ThreadSpec *thread_spec = m_opaque_sp->GetOptions()->GetThreadSpecNoCreate();
if (thread_spec != NULL)
name = thread_spec->GetName();
}
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBBreakpoint(%p)::GetThreadName () => %s",
static_cast<void*>(m_opaque_sp.get()), name);
return name;
}
void
SBBreakpoint::SetQueueName (const char *queue_name)
{
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBBreakpoint(%p)::SetQueueName (%s)",
static_cast<void*>(m_opaque_sp.get()), queue_name);
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
m_opaque_sp->GetOptions()->GetThreadSpec()->SetQueueName (queue_name);
}
}
const char *
SBBreakpoint::GetQueueName () const
{
const char *name = NULL;
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
const ThreadSpec *thread_spec = m_opaque_sp->GetOptions()->GetThreadSpecNoCreate();
if (thread_spec)
name = thread_spec->GetQueueName();
}
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBBreakpoint(%p)::GetQueueName () => %s",
static_cast<void*>(m_opaque_sp.get()), name);
return name;
}
size_t
SBBreakpoint::GetNumResolvedLocations() const
{
size_t num_resolved = 0;
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
num_resolved = m_opaque_sp->GetNumResolvedLocations();
}
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBBreakpoint(%p)::GetNumResolvedLocations () => %" PRIu64,
static_cast<void*>(m_opaque_sp.get()),
static_cast<uint64_t>(num_resolved));
return num_resolved;
}
size_t
SBBreakpoint::GetNumLocations() const
{
size_t num_locs = 0;
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
num_locs = m_opaque_sp->GetNumLocations();
}
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBBreakpoint(%p)::GetNumLocations () => %" PRIu64,
static_cast<void*>(m_opaque_sp.get()),
static_cast<uint64_t>(num_locs));
return num_locs;
}
bool
SBBreakpoint::GetDescription (SBStream &s)
{
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
s.Printf("SBBreakpoint: id = %i, ", m_opaque_sp->GetID());
m_opaque_sp->GetResolverDescription (s.get());
m_opaque_sp->GetFilterDescription (s.get());
const size_t num_locations = m_opaque_sp->GetNumLocations ();
s.Printf(", locations = %" PRIu64, (uint64_t)num_locations);
return true;
}
s.Printf ("No value");
return false;
}
bool
SBBreakpoint::PrivateBreakpointHitCallback
(
void *baton,
StoppointCallbackContext *ctx,
lldb::user_id_t break_id,
lldb::user_id_t break_loc_id
)
{
ExecutionContext exe_ctx (ctx->exe_ctx_ref);
BreakpointSP bp_sp(exe_ctx.GetTargetRef().GetBreakpointList().FindBreakpointByID(break_id));
if (baton && bp_sp)
{
CallbackData *data = (CallbackData *)baton;
lldb_private::Breakpoint *bp = bp_sp.get();
if (bp && data->callback)
{
Process *process = exe_ctx.GetProcessPtr();
if (process)
{
SBProcess sb_process (process->shared_from_this());
SBThread sb_thread;
SBBreakpointLocation sb_location;
assert (bp_sp);
sb_location.SetLocation (bp_sp->FindLocationByID (break_loc_id));
Thread *thread = exe_ctx.GetThreadPtr();
if (thread)
sb_thread.SetThread(thread->shared_from_this());
return data->callback (data->callback_baton,
sb_process,
sb_thread,
sb_location);
}
}
}
return true; // Return true if we should stop at this breakpoint
}
void
SBBreakpoint::SetCallback (BreakpointHitCallback callback, void *baton)
{
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
{
void *pointer = &callback;
log->Printf ("SBBreakpoint(%p)::SetCallback (callback=%p, baton=%p)",
static_cast<void*>(m_opaque_sp.get()),
*static_cast<void**>(&pointer), static_cast<void*>(baton));
}
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
BatonSP baton_sp(new SBBreakpointCallbackBaton (callback, baton));
m_opaque_sp->SetCallback (SBBreakpoint::PrivateBreakpointHitCallback, baton_sp, false);
}
}
void
SBBreakpoint::SetScriptCallbackFunction (const char *callback_function_name)
{
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBBreakpoint(%p)::SetScriptCallbackFunction (callback=%s)",
static_cast<void*>(m_opaque_sp.get()),
callback_function_name);
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
BreakpointOptions *bp_options = m_opaque_sp->GetOptions();
m_opaque_sp->GetTarget().GetDebugger().GetCommandInterpreter().GetScriptInterpreter()->SetBreakpointCommandCallbackFunction (bp_options,
callback_function_name);
}
}
SBError
SBBreakpoint::SetScriptCallbackBody (const char *callback_body_text)
{
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBBreakpoint(%p)::SetScriptCallbackBody: callback body:\n%s)",
static_cast<void*>(m_opaque_sp.get()), callback_body_text);
SBError sb_error;
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
BreakpointOptions *bp_options = m_opaque_sp->GetOptions();
Error error = m_opaque_sp->GetTarget().GetDebugger().GetCommandInterpreter().GetScriptInterpreter()->SetBreakpointCommandCallback (bp_options,
callback_body_text);
sb_error.SetError(error);
}
else
sb_error.SetErrorString("invalid breakpoint");
return sb_error;
}
bool
SBBreakpoint::AddName (const char *new_name)
{
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBBreakpoint(%p)::AddName (name=%s)",
static_cast<void*>(m_opaque_sp.get()),
new_name);
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
Error error; // Think I'm just going to swallow the error here, it's probably more annoying to have to provide it.
return m_opaque_sp->AddName(new_name, error);
}
return false;
}
void
SBBreakpoint::RemoveName (const char *name_to_remove)
{
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBBreakpoint(%p)::RemoveName (name=%s)",
static_cast<void*>(m_opaque_sp.get()),
name_to_remove);
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
m_opaque_sp->RemoveName(name_to_remove);
}
}
bool
SBBreakpoint::MatchesName (const char *name)
{
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBBreakpoint(%p)::MatchesName (name=%s)",
static_cast<void*>(m_opaque_sp.get()),
name);
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
return m_opaque_sp->MatchesName(name);
}
return false;
}
void
SBBreakpoint::GetNames (SBStringList &names)
{
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBBreakpoint(%p)::GetNames ()",
static_cast<void*>(m_opaque_sp.get()));
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
std::vector<std::string> names_vec;
m_opaque_sp->GetNames(names_vec);
for (std::string name : names_vec)
{
names.AppendString (name.c_str());
}
}
}
lldb_private::Breakpoint *
SBBreakpoint::operator->() const
{
return m_opaque_sp.get();
}
lldb_private::Breakpoint *
SBBreakpoint::get() const
{
return m_opaque_sp.get();
}
lldb::BreakpointSP &
SBBreakpoint::operator *()
{
return m_opaque_sp;
}
const lldb::BreakpointSP &
SBBreakpoint::operator *() const
{
return m_opaque_sp;
}
bool
SBBreakpoint::EventIsBreakpointEvent (const lldb::SBEvent &event)
{
return Breakpoint::BreakpointEventData::GetEventDataFromEvent(event.get()) != NULL;
}
BreakpointEventType
SBBreakpoint::GetBreakpointEventTypeFromEvent (const SBEvent& event)
{
if (event.IsValid())
return Breakpoint::BreakpointEventData::GetBreakpointEventTypeFromEvent (event.GetSP());
return eBreakpointEventTypeInvalidType;
}
SBBreakpoint
SBBreakpoint::GetBreakpointFromEvent (const lldb::SBEvent& event)
{
SBBreakpoint sb_breakpoint;
if (event.IsValid())
sb_breakpoint.m_opaque_sp = Breakpoint::BreakpointEventData::GetBreakpointFromEvent (event.GetSP());
return sb_breakpoint;
}
SBBreakpointLocation
SBBreakpoint::GetBreakpointLocationAtIndexFromEvent (const lldb::SBEvent& event, uint32_t loc_idx)
{
SBBreakpointLocation sb_breakpoint_loc;
if (event.IsValid())
sb_breakpoint_loc.SetLocation (Breakpoint::BreakpointEventData::GetBreakpointLocationAtIndexFromEvent (event.GetSP(), loc_idx));
return sb_breakpoint_loc;
}
uint32_t
SBBreakpoint::GetNumBreakpointLocationsFromEvent (const lldb::SBEvent &event)
{
uint32_t num_locations = 0;
if (event.IsValid())
num_locations = (Breakpoint::BreakpointEventData::GetNumBreakpointLocationsFromEvent (event.GetSP()));
return num_locations;
}
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