diff options
Diffstat (limited to 'lldb/source/Breakpoint/BreakpointSiteList.cpp')
-rw-r--r-- | lldb/source/Breakpoint/BreakpointSiteList.cpp | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/lldb/source/Breakpoint/BreakpointSiteList.cpp b/lldb/source/Breakpoint/BreakpointSiteList.cpp new file mode 100644 index 00000000000..19e18bb749a --- /dev/null +++ b/lldb/source/Breakpoint/BreakpointSiteList.cpp @@ -0,0 +1,229 @@ +//===-- 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; +} |