diff options
Diffstat (limited to 'source/Plugins/SymbolFile/DWARF/DWARFDebugPubnamesSet.cpp')
| -rw-r--r-- | source/Plugins/SymbolFile/DWARF/DWARFDebugPubnamesSet.cpp | 234 |
1 files changed, 107 insertions, 127 deletions
diff --git a/source/Plugins/SymbolFile/DWARF/DWARFDebugPubnamesSet.cpp b/source/Plugins/SymbolFile/DWARF/DWARFDebugPubnamesSet.cpp index b7e1b27d1501..4518d65811b5 100644 --- a/source/Plugins/SymbolFile/DWARF/DWARFDebugPubnamesSet.cpp +++ b/source/Plugins/SymbolFile/DWARF/DWARFDebugPubnamesSet.cpp @@ -9,158 +9,138 @@ #include "DWARFDebugPubnamesSet.h" -#include "lldb/Core/RegularExpression.h" #include "lldb/Core/Log.h" +#include "lldb/Core/RegularExpression.h" #include "SymbolFileDWARF.h" using namespace lldb_private; -DWARFDebugPubnamesSet::DWARFDebugPubnamesSet() : - m_offset(DW_INVALID_OFFSET), - m_header(), - m_descriptors(), - m_name_to_descriptor_index() -{ +DWARFDebugPubnamesSet::DWARFDebugPubnamesSet() + : m_offset(DW_INVALID_OFFSET), m_header(), m_descriptors(), + m_name_to_descriptor_index() {} + +DWARFDebugPubnamesSet::DWARFDebugPubnamesSet(dw_offset_t debug_aranges_offset, + dw_offset_t cu_die_offset, + dw_offset_t cu_die_length) + : m_offset(debug_aranges_offset), m_header(), m_descriptors(), + m_name_to_descriptor_index() { + m_header.length = + 10; // set the length to only include the header right for now + m_header.version = 2; // The DWARF version number + m_header.die_offset = cu_die_offset; // compile unit .debug_info offset + m_header.die_length = cu_die_length; // compile unit .debug_info length } -DWARFDebugPubnamesSet::DWARFDebugPubnamesSet(dw_offset_t debug_aranges_offset, dw_offset_t cu_die_offset, dw_offset_t cu_die_length) : - m_offset(debug_aranges_offset), - m_header(), - m_descriptors(), - m_name_to_descriptor_index() -{ - m_header.length = 10; // set the length to only include the header right for now - m_header.version = 2; // The DWARF version number - m_header.die_offset = cu_die_offset;// compile unit .debug_info offset - m_header.die_length = cu_die_length;// compile unit .debug_info length -} - -void -DWARFDebugPubnamesSet::AddDescriptor(dw_offset_t cu_rel_offset, const char* name) -{ - if (name && name[0]) - { - // Adjust our header length - m_header.length += strlen(name) + 1 + sizeof(dw_offset_t); - Descriptor pubnameDesc(cu_rel_offset, name); - m_descriptors.push_back(pubnameDesc); - } +void DWARFDebugPubnamesSet::AddDescriptor(dw_offset_t cu_rel_offset, + const char *name) { + if (name && name[0]) { + // Adjust our header length + m_header.length += strlen(name) + 1 + sizeof(dw_offset_t); + Descriptor pubnameDesc(cu_rel_offset, name); + m_descriptors.push_back(pubnameDesc); + } } -void -DWARFDebugPubnamesSet::Clear() -{ - m_offset = DW_INVALID_OFFSET; - m_header.length = 10; - m_header.version = 2; - m_header.die_offset = DW_INVALID_OFFSET; - m_header.die_length = 0; - m_descriptors.clear(); +void DWARFDebugPubnamesSet::Clear() { + m_offset = DW_INVALID_OFFSET; + m_header.length = 10; + m_header.version = 2; + m_header.die_offset = DW_INVALID_OFFSET; + m_header.die_length = 0; + m_descriptors.clear(); } - //---------------------------------------------------------------------- // InitNameIndexes //---------------------------------------------------------------------- -void -DWARFDebugPubnamesSet::InitNameIndexes() const -{ - // Create the name index vector to be able to quickly search by name - const size_t count = m_descriptors.size(); - for (uint32_t idx = 0; idx < count; ++idx) - { - const char* name = m_descriptors[idx].name.c_str(); - if (name && name[0]) - m_name_to_descriptor_index.insert(cstr_to_index_mmap::value_type(name, idx)); - } +void DWARFDebugPubnamesSet::InitNameIndexes() const { + // Create the name index vector to be able to quickly search by name + const size_t count = m_descriptors.size(); + for (uint32_t idx = 0; idx < count; ++idx) { + const char *name = m_descriptors[idx].name.c_str(); + if (name && name[0]) + m_name_to_descriptor_index.insert( + cstr_to_index_mmap::value_type(name, idx)); + } } - -bool -DWARFDebugPubnamesSet::Extract(const DWARFDataExtractor& data, lldb::offset_t *offset_ptr) -{ - if (data.ValidOffset(*offset_ptr)) - { - m_descriptors.clear(); - m_offset = *offset_ptr; - m_header.length = data.GetDWARFInitialLength(offset_ptr); - m_header.version = data.GetU16(offset_ptr); - m_header.die_offset = data.GetDWARFOffset(offset_ptr); - m_header.die_length = data.GetDWARFOffset(offset_ptr); - - Descriptor pubnameDesc; - while (data.ValidOffset(*offset_ptr)) - { - pubnameDesc.offset = data.GetDWARFOffset(offset_ptr); - - if (pubnameDesc.offset) - { - const char* name = data.GetCStr(offset_ptr); - if (name && name[0]) - { - pubnameDesc.name = name; - m_descriptors.push_back(pubnameDesc); - } - } - else - break; // We are done if we get a zero 4 byte offset +bool DWARFDebugPubnamesSet::Extract(const DWARFDataExtractor &data, + lldb::offset_t *offset_ptr) { + if (data.ValidOffset(*offset_ptr)) { + m_descriptors.clear(); + m_offset = *offset_ptr; + m_header.length = data.GetDWARFInitialLength(offset_ptr); + m_header.version = data.GetU16(offset_ptr); + m_header.die_offset = data.GetDWARFOffset(offset_ptr); + m_header.die_length = data.GetDWARFOffset(offset_ptr); + + Descriptor pubnameDesc; + while (data.ValidOffset(*offset_ptr)) { + pubnameDesc.offset = data.GetDWARFOffset(offset_ptr); + + if (pubnameDesc.offset) { + const char *name = data.GetCStr(offset_ptr); + if (name && name[0]) { + pubnameDesc.name = name; + m_descriptors.push_back(pubnameDesc); } - - return !m_descriptors.empty(); + } else + break; // We are done if we get a zero 4 byte offset } - return false; -} -dw_offset_t -DWARFDebugPubnamesSet::GetOffsetOfNextEntry() const -{ - return m_offset + m_header.length + 4; + return !m_descriptors.empty(); + } + return false; } -void -DWARFDebugPubnamesSet::Dump(Log *log) const -{ - log->Printf("Pubnames Header: length = 0x%8.8x, version = 0x%4.4x, die_offset = 0x%8.8x, die_length = 0x%8.8x", - m_header.length, - m_header.version, - m_header.die_offset, - m_header.die_length); - - bool verbose = log->GetVerbose(); - - DescriptorConstIter pos; - DescriptorConstIter end = m_descriptors.end(); - for (pos = m_descriptors.begin(); pos != end; ++pos) - { - if (verbose) - log->Printf("0x%8.8x + 0x%8.8x = 0x%8.8x: %s", pos->offset, m_header.die_offset, pos->offset + m_header.die_offset, pos->name.c_str()); - else - log->Printf("0x%8.8x: %s", pos->offset + m_header.die_offset, pos->name.c_str()); - } +dw_offset_t DWARFDebugPubnamesSet::GetOffsetOfNextEntry() const { + return m_offset + m_header.length + 4; } - -void -DWARFDebugPubnamesSet::Find(const char* name, bool ignore_case, std::vector<dw_offset_t>& die_offset_coll) const -{ - if (!m_descriptors.empty() && m_name_to_descriptor_index.empty()) - InitNameIndexes(); - - std::pair<cstr_to_index_mmap::const_iterator, cstr_to_index_mmap::const_iterator> range(m_name_to_descriptor_index.equal_range(name)); - for (cstr_to_index_mmap::const_iterator pos = range.first; pos != range.second; ++pos) - die_offset_coll.push_back(m_header.die_offset + m_descriptors[(*pos).second].offset); +void DWARFDebugPubnamesSet::Dump(Log *log) const { + log->Printf("Pubnames Header: length = 0x%8.8x, version = 0x%4.4x, " + "die_offset = 0x%8.8x, die_length = 0x%8.8x", + m_header.length, m_header.version, m_header.die_offset, + m_header.die_length); + + bool verbose = log->GetVerbose(); + + DescriptorConstIter pos; + DescriptorConstIter end = m_descriptors.end(); + for (pos = m_descriptors.begin(); pos != end; ++pos) { + if (verbose) + log->Printf("0x%8.8x + 0x%8.8x = 0x%8.8x: %s", pos->offset, + m_header.die_offset, pos->offset + m_header.die_offset, + pos->name.c_str()); + else + log->Printf("0x%8.8x: %s", pos->offset + m_header.die_offset, + pos->name.c_str()); + } } -void -DWARFDebugPubnamesSet::Find(const RegularExpression& regex, std::vector<dw_offset_t>& die_offset_coll) const -{ - DescriptorConstIter pos; - DescriptorConstIter end = m_descriptors.end(); - for (pos = m_descriptors.begin(); pos != end; ++pos) - { - if ( regex.Execute(pos->name.c_str()) ) - die_offset_coll.push_back(m_header.die_offset + pos->offset); - } +void DWARFDebugPubnamesSet::Find( + const char *name, bool ignore_case, + std::vector<dw_offset_t> &die_offset_coll) const { + if (!m_descriptors.empty() && m_name_to_descriptor_index.empty()) + InitNameIndexes(); + + std::pair<cstr_to_index_mmap::const_iterator, + cstr_to_index_mmap::const_iterator> + range(m_name_to_descriptor_index.equal_range(name)); + for (cstr_to_index_mmap::const_iterator pos = range.first; + pos != range.second; ++pos) + die_offset_coll.push_back(m_header.die_offset + + m_descriptors[(*pos).second].offset); } +void DWARFDebugPubnamesSet::Find( + const RegularExpression ®ex, + std::vector<dw_offset_t> &die_offset_coll) const { + DescriptorConstIter pos; + DescriptorConstIter end = m_descriptors.end(); + for (pos = m_descriptors.begin(); pos != end; ++pos) { + if (regex.Execute(pos->name)) + die_offset_coll.push_back(m_header.die_offset + pos->offset); + } +} |