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-rw-r--r--lldb/source/Breakpoint/BreakpointSiteList.cpp229
1 files changed, 229 insertions, 0 deletions
diff --git a/lldb/source/Breakpoint/BreakpointSiteList.cpp b/lldb/source/Breakpoint/BreakpointSiteList.cpp
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+++ b/lldb/source/Breakpoint/BreakpointSiteList.cpp
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+//===-- BreakpointSiteList.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/Breakpoint/BreakpointSiteList.h"
+
+// C Includes
+// C++ Includes
+// Other libraries and framework includes
+// Project includes
+#include "lldb/Core/Stream.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+BreakpointSiteList::BreakpointSiteList() :
+ m_bp_site_list()
+{
+}
+
+BreakpointSiteList::~BreakpointSiteList()
+{
+}
+
+// Add breakpoint site to the list. However, if the element already exists in the
+// list, then we don't add it, and return LLDB_INVALID_BREAK_ID.
+
+lldb::user_id_t
+BreakpointSiteList::Add(const BreakpointSiteSP &bp)
+{
+ lldb::addr_t bp_site_load_addr = bp->GetLoadAddress();
+ collection::iterator iter = m_bp_site_list.find (bp_site_load_addr);
+
+ if (iter == m_bp_site_list.end())
+ {
+ m_bp_site_list.insert (iter, collection::value_type (bp_site_load_addr, bp));
+ return bp->GetID();
+ }
+ else
+ {
+ return LLDB_INVALID_BREAK_ID;
+ }
+}
+
+bool
+BreakpointSiteList::ShouldStop (StoppointCallbackContext *context, lldb::user_id_t break_id)
+{
+ BreakpointSiteSP bp = FindByID (break_id);
+ if (bp)
+ {
+ // Let the BreakpointSite decide if it should stop here (could not have
+ // reached it's target hit count yet, or it could have a callback
+ // that decided it shouldn't stop (shared library loads/unloads).
+ return bp->ShouldStop (context);
+ }
+ // We should stop here since this BreakpointSite isn't valid anymore or it
+ // doesn't exist.
+ return true;
+}
+lldb::user_id_t
+BreakpointSiteList::FindIDByAddress (lldb::addr_t addr)
+{
+ BreakpointSiteSP bp = FindByAddress (addr);
+ if (bp)
+ {
+ //DBLogIf(PD_LOG_BREAKPOINTS, "BreakpointSiteList::%s ( addr = 0x%8.8llx ) => %u", __FUNCTION__, (uint64_t)addr, bp->GetID());
+ return bp.get()->GetID();
+ }
+ //DBLogIf(PD_LOG_BREAKPOINTS, "BreakpointSiteList::%s ( addr = 0x%8.8llx ) => NONE", __FUNCTION__, (uint64_t)addr);
+ return LLDB_INVALID_BREAK_ID;
+}
+
+bool
+BreakpointSiteList::Remove (lldb::user_id_t break_id)
+{
+ collection::iterator pos = GetIDIterator(break_id); // Predicate
+ if (pos != m_bp_site_list.end())
+ {
+ m_bp_site_list.erase(pos);
+ return true;
+ }
+ return false;
+}
+
+bool
+BreakpointSiteList::RemoveByAddress (lldb::addr_t address)
+{
+ collection::iterator pos = m_bp_site_list.find(address);
+ if (pos != m_bp_site_list.end())
+ {
+ m_bp_site_list.erase(pos);
+ return true;
+ }
+ return false;
+}
+
+class BreakpointSiteIDMatches
+{
+public:
+ BreakpointSiteIDMatches (lldb::user_id_t break_id) :
+ m_break_id(break_id)
+ {
+ }
+
+ bool operator() (std::pair <lldb::addr_t, BreakpointSiteSP> val_pair) const
+ {
+ return m_break_id == val_pair.second.get()->GetID();
+ }
+
+private:
+ const lldb::user_id_t m_break_id;
+};
+
+BreakpointSiteList::collection::iterator
+BreakpointSiteList::GetIDIterator (lldb::user_id_t break_id)
+{
+ return std::find_if(m_bp_site_list.begin(), m_bp_site_list.end(), // Search full range
+ BreakpointSiteIDMatches(break_id)); // Predicate
+}
+
+BreakpointSiteList::collection::const_iterator
+BreakpointSiteList::GetIDConstIterator (lldb::user_id_t break_id) const
+{
+ return std::find_if(m_bp_site_list.begin(), m_bp_site_list.end(), // Search full range
+ BreakpointSiteIDMatches(break_id)); // Predicate
+}
+
+BreakpointSiteSP
+BreakpointSiteList::FindByID (lldb::user_id_t break_id)
+{
+ BreakpointSiteSP stop_sp;
+ collection::iterator pos = GetIDIterator(break_id);
+ if (pos != m_bp_site_list.end())
+ stop_sp = pos->second;
+
+ return stop_sp;
+}
+
+const BreakpointSiteSP
+BreakpointSiteList::FindByID (lldb::user_id_t break_id) const
+{
+ BreakpointSiteSP stop_sp;
+ collection::const_iterator pos = GetIDConstIterator(break_id);
+ if (pos != m_bp_site_list.end())
+ stop_sp = pos->second;
+
+ return stop_sp;
+}
+
+BreakpointSiteSP
+BreakpointSiteList::FindByAddress (lldb::addr_t addr)
+{
+ BreakpointSiteSP found_sp;
+
+ collection::iterator iter = m_bp_site_list.find(addr);
+ if (iter != m_bp_site_list.end())
+ found_sp = iter->second;
+ return found_sp;
+}
+
+void
+BreakpointSiteList::Dump (Stream *s) const
+{
+ s->Printf("%.*p: ", (int)sizeof(void*) * 2, this);
+ s->Indent();
+ s->Printf("BreakpointSiteList with %u BreakpointSites:\n", (uint32_t)m_bp_site_list.size());
+ s->IndentMore();
+ collection::const_iterator pos;
+ collection::const_iterator end = m_bp_site_list.end();
+ for (pos = m_bp_site_list.begin(); pos != end; ++pos)
+ pos->second.get()->Dump(s);
+ s->IndentLess();
+}
+
+
+BreakpointSiteSP
+BreakpointSiteList::GetByIndex (uint32_t i)
+{
+ BreakpointSiteSP stop_sp;
+ collection::iterator end = m_bp_site_list.end();
+ collection::iterator pos;
+ uint32_t curr_i = 0;
+ for (pos = m_bp_site_list.begin(), curr_i = 0; pos != end; ++pos, ++curr_i)
+ {
+ if (curr_i == i)
+ stop_sp = pos->second;
+ }
+ return stop_sp;
+}
+
+const BreakpointSiteSP
+BreakpointSiteList::GetByIndex (uint32_t i) const
+{
+ BreakpointSiteSP stop_sp;
+ collection::const_iterator end = m_bp_site_list.end();
+ collection::const_iterator pos;
+ uint32_t curr_i = 0;
+ for (pos = m_bp_site_list.begin(), curr_i = 0; pos != end; ++pos, ++curr_i)
+ {
+ if (curr_i == i)
+ stop_sp = pos->second;
+ }
+ return stop_sp;
+}
+
+void
+BreakpointSiteList::SetEnabledForAll (const bool enabled, const lldb::user_id_t except_id)
+{
+ collection::iterator end = m_bp_site_list.end();
+ collection::iterator pos;
+ for (pos = m_bp_site_list.begin(); pos != end; ++pos)
+ {
+ if (except_id != LLDB_INVALID_BREAK_ID && except_id != pos->second->GetID())
+ pos->second->SetEnabled (enabled);
+ else
+ pos->second->SetEnabled (!enabled);
+ }
+}
+
+const BreakpointSiteList::collection *
+BreakpointSiteList::GetMap ()
+{
+ return &m_bp_site_list;
+}
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