diff options
Diffstat (limited to 'contrib/llvm/tools/lldb/source/Symbol/LineEntry.cpp')
| -rw-r--r-- | contrib/llvm/tools/lldb/source/Symbol/LineEntry.cpp | 445 |
1 files changed, 194 insertions, 251 deletions
diff --git a/contrib/llvm/tools/lldb/source/Symbol/LineEntry.cpp b/contrib/llvm/tools/lldb/source/Symbol/LineEntry.cpp index 9b3a043..691afdf 100644 --- a/contrib/llvm/tools/lldb/source/Symbol/LineEntry.cpp +++ b/contrib/llvm/tools/lldb/source/Symbol/LineEntry.cpp @@ -14,286 +14,229 @@ using namespace lldb_private; -LineEntry::LineEntry() : - range(), - file(), - line(LLDB_INVALID_LINE_NUMBER), - column(0), - is_start_of_statement(0), - is_start_of_basic_block(0), - is_prologue_end(0), - is_epilogue_begin(0), - is_terminal_entry(0) -{ +LineEntry::LineEntry() + : range(), file(), line(LLDB_INVALID_LINE_NUMBER), column(0), + is_start_of_statement(0), is_start_of_basic_block(0), is_prologue_end(0), + is_epilogue_begin(0), is_terminal_entry(0) {} + +LineEntry::LineEntry(const lldb::SectionSP §ion_sp, + lldb::addr_t section_offset, lldb::addr_t byte_size, + const FileSpec &_file, uint32_t _line, uint16_t _column, + bool _is_start_of_statement, bool _is_start_of_basic_block, + bool _is_prologue_end, bool _is_epilogue_begin, + bool _is_terminal_entry) + : range(section_sp, section_offset, byte_size), file(_file), + original_file(_file), line(_line), column(_column), + is_start_of_statement(_is_start_of_statement), + is_start_of_basic_block(_is_start_of_basic_block), + is_prologue_end(_is_prologue_end), is_epilogue_begin(_is_epilogue_begin), + is_terminal_entry(_is_terminal_entry) {} + +void LineEntry::Clear() { + range.Clear(); + file.Clear(); + original_file.Clear(); + line = LLDB_INVALID_LINE_NUMBER; + column = 0; + is_start_of_statement = 0; + is_start_of_basic_block = 0; + is_prologue_end = 0; + is_epilogue_begin = 0; + is_terminal_entry = 0; } -LineEntry::LineEntry -( - const lldb::SectionSP §ion_sp, - lldb::addr_t section_offset, - lldb::addr_t byte_size, - const FileSpec &_file, - uint32_t _line, - uint16_t _column, - bool _is_start_of_statement, - bool _is_start_of_basic_block, - bool _is_prologue_end, - bool _is_epilogue_begin, - bool _is_terminal_entry -) : - range(section_sp, section_offset, byte_size), - file(_file), - original_file(_file), - line(_line), - column(_column), - is_start_of_statement(_is_start_of_statement), - is_start_of_basic_block(_is_start_of_basic_block), - is_prologue_end(_is_prologue_end), - is_epilogue_begin(_is_epilogue_begin), - is_terminal_entry(_is_terminal_entry) -{ +bool LineEntry::IsValid() const { + return range.GetBaseAddress().IsValid() && line != LLDB_INVALID_LINE_NUMBER; } -void -LineEntry::Clear() -{ - range.Clear(); - file.Clear(); - original_file.Clear(); - line = LLDB_INVALID_LINE_NUMBER; - column = 0; - is_start_of_statement = 0; - is_start_of_basic_block = 0; - is_prologue_end = 0; - is_epilogue_begin = 0; - is_terminal_entry = 0; -} +bool LineEntry::DumpStopContext(Stream *s, bool show_fullpaths) const { + bool result = false; + if (file) { + if (show_fullpaths) + file.Dump(s); + else + file.GetFilename().Dump(s); + if (line) + s->PutChar(':'); + result = true; + } + if (line) + s->Printf("%u", line); + else + result = false; + + return result; +} -bool -LineEntry::IsValid() const -{ - return range.GetBaseAddress().IsValid() && line != LLDB_INVALID_LINE_NUMBER; +bool LineEntry::Dump(Stream *s, Target *target, bool show_file, + Address::DumpStyle style, + Address::DumpStyle fallback_style, bool show_range) const { + if (show_range) { + // Show address range + if (!range.Dump(s, target, style, fallback_style)) + return false; + } else { + // Show address only + if (!range.GetBaseAddress().Dump(s, target, style, fallback_style)) + return false; + } + if (show_file) + *s << ", file = " << file; + if (line) + s->Printf(", line = %u", line); + if (column) + s->Printf(", column = %u", column); + if (is_start_of_statement) + *s << ", is_start_of_statement = TRUE"; + + if (is_start_of_basic_block) + *s << ", is_start_of_basic_block = TRUE"; + + if (is_prologue_end) + *s << ", is_prologue_end = TRUE"; + + if (is_epilogue_begin) + *s << ", is_epilogue_begin = TRUE"; + + if (is_terminal_entry) + *s << ", is_terminal_entry = TRUE"; + return true; } -bool -LineEntry::DumpStopContext(Stream *s, bool show_fullpaths) const -{ - bool result = false; - if (file) - { - if (show_fullpaths) - file.Dump (s); - else - file.GetFilename().Dump (s); - - if (line) - s->PutChar(':'); - result = true; +bool LineEntry::GetDescription(Stream *s, lldb::DescriptionLevel level, + CompileUnit *cu, Target *target, + bool show_address_only) const { + + if (level == lldb::eDescriptionLevelBrief || + level == lldb::eDescriptionLevelFull) { + if (show_address_only) { + range.GetBaseAddress().Dump(s, target, Address::DumpStyleLoadAddress, + Address::DumpStyleFileAddress); + } else { + range.Dump(s, target, Address::DumpStyleLoadAddress, + Address::DumpStyleFileAddress); } - if (line) - s->Printf ("%u", line); - else - result = false; - return result; -} + *s << ": " << file; -bool -LineEntry::Dump -( - Stream *s, - Target *target, - bool show_file, - Address::DumpStyle style, - Address::DumpStyle fallback_style, - bool show_range -) const -{ - if (show_range) - { - // Show address range - if (!range.Dump(s, target, style, fallback_style)) - return false; - } - else - { - // Show address only - if (!range.GetBaseAddress().Dump(s, - target, - style, - fallback_style)) - return false; + if (line) { + s->Printf(":%u", line); + if (column) + s->Printf(":%u", column); } - if (show_file) - *s << ", file = " << file; - if (line) - s->Printf(", line = %u", line); - if (column) - s->Printf(", column = %u", column); - if (is_start_of_statement) + + if (level == lldb::eDescriptionLevelFull) { + if (is_start_of_statement) *s << ", is_start_of_statement = TRUE"; - if (is_start_of_basic_block) + if (is_start_of_basic_block) *s << ", is_start_of_basic_block = TRUE"; - if (is_prologue_end) + if (is_prologue_end) *s << ", is_prologue_end = TRUE"; - if (is_epilogue_begin) + if (is_epilogue_begin) *s << ", is_epilogue_begin = TRUE"; - if (is_terminal_entry) + if (is_terminal_entry) *s << ", is_terminal_entry = TRUE"; - return true; -} - -bool -LineEntry::GetDescription (Stream *s, lldb::DescriptionLevel level, CompileUnit* cu, Target *target, bool show_address_only) const -{ - - if (level == lldb::eDescriptionLevelBrief || level == lldb::eDescriptionLevelFull) - { - if (show_address_only) - { - range.GetBaseAddress().Dump(s, target, Address::DumpStyleLoadAddress, Address::DumpStyleFileAddress); - } - else - { - range.Dump(s, target, Address::DumpStyleLoadAddress, Address::DumpStyleFileAddress); - } - - *s << ": " << file; - - if (line) - { - s->Printf(":%u", line); - if (column) - s->Printf(":%u", column); - } - - - if (level == lldb::eDescriptionLevelFull) - { - if (is_start_of_statement) - *s << ", is_start_of_statement = TRUE"; - - if (is_start_of_basic_block) - *s << ", is_start_of_basic_block = TRUE"; - - if (is_prologue_end) - *s << ", is_prologue_end = TRUE"; - - if (is_epilogue_begin) - *s << ", is_epilogue_begin = TRUE"; - - if (is_terminal_entry) - *s << ", is_terminal_entry = TRUE"; - } - else - { - if (is_terminal_entry) - s->EOL(); - } - } - else - { - return Dump (s, target, true, Address::DumpStyleLoadAddress, Address::DumpStyleModuleWithFileAddress, true); + } else { + if (is_terminal_entry) + s->EOL(); } - return true; + } else { + return Dump(s, target, true, Address::DumpStyleLoadAddress, + Address::DumpStyleModuleWithFileAddress, true); + } + return true; } - -bool -lldb_private::operator< (const LineEntry& a, const LineEntry& b) -{ - return LineEntry::Compare (a, b) < 0; +bool lldb_private::operator<(const LineEntry &a, const LineEntry &b) { + return LineEntry::Compare(a, b) < 0; } -int -LineEntry::Compare (const LineEntry& a, const LineEntry& b) -{ - int result = Address::CompareFileAddress (a.range.GetBaseAddress(), b.range.GetBaseAddress()); - if (result != 0) - return result; - - const lldb::addr_t a_byte_size = a.range.GetByteSize(); - const lldb::addr_t b_byte_size = b.range.GetByteSize(); - - if (a_byte_size < b_byte_size) - return -1; - if (a_byte_size > b_byte_size) - return +1; - - // Check for an end sequence entry mismatch after we have determined - // that the address values are equal. If one of the items is an end - // sequence, we don't care about the line, file, or column info. - if (a.is_terminal_entry > b.is_terminal_entry) - return -1; - if (a.is_terminal_entry < b.is_terminal_entry) - return +1; - - if (a.line < b.line) - return -1; - if (a.line > b.line) - return +1; - - if (a.column < b.column) - return -1; - if (a.column > b.column) - return +1; - - return FileSpec::Compare (a.file, b.file, true); +int LineEntry::Compare(const LineEntry &a, const LineEntry &b) { + int result = Address::CompareFileAddress(a.range.GetBaseAddress(), + b.range.GetBaseAddress()); + if (result != 0) + return result; + + const lldb::addr_t a_byte_size = a.range.GetByteSize(); + const lldb::addr_t b_byte_size = b.range.GetByteSize(); + + if (a_byte_size < b_byte_size) + return -1; + if (a_byte_size > b_byte_size) + return +1; + + // Check for an end sequence entry mismatch after we have determined + // that the address values are equal. If one of the items is an end + // sequence, we don't care about the line, file, or column info. + if (a.is_terminal_entry > b.is_terminal_entry) + return -1; + if (a.is_terminal_entry < b.is_terminal_entry) + return +1; + + if (a.line < b.line) + return -1; + if (a.line > b.line) + return +1; + + if (a.column < b.column) + return -1; + if (a.column > b.column) + return +1; + + return FileSpec::Compare(a.file, b.file, true); } -AddressRange -LineEntry::GetSameLineContiguousAddressRange () const -{ - // Add each LineEntry's range to complete_line_range until we find - // a different file / line number. - AddressRange complete_line_range = range; - - while (true) - { - SymbolContext next_line_sc; - Address range_end (complete_line_range.GetBaseAddress()); - range_end.Slide (complete_line_range.GetByteSize()); - range_end.CalculateSymbolContext (&next_line_sc, lldb::eSymbolContextLineEntry); - - if (next_line_sc.line_entry.IsValid() - && next_line_sc.line_entry.range.GetByteSize() > 0 - && original_file == next_line_sc.line_entry.original_file) - { - // Include any line 0 entries - they indicate that this is compiler-generated code - // that does not correspond to user source code. - if (next_line_sc.line_entry.line == 0) - { - complete_line_range.SetByteSize (complete_line_range.GetByteSize() + next_line_sc.line_entry.range.GetByteSize()); - continue; - } - - if (line == next_line_sc.line_entry.line) - { - // next_line_sc is the same file & line as this LineEntry, so extend our - // AddressRange by its size and continue to see if there are more LineEntries - // that we can combine. - complete_line_range.SetByteSize (complete_line_range.GetByteSize() + next_line_sc.line_entry.range.GetByteSize()); - continue; - } - } - break; +AddressRange LineEntry::GetSameLineContiguousAddressRange() const { + // Add each LineEntry's range to complete_line_range until we find + // a different file / line number. + AddressRange complete_line_range = range; + + while (true) { + SymbolContext next_line_sc; + Address range_end(complete_line_range.GetBaseAddress()); + range_end.Slide(complete_line_range.GetByteSize()); + range_end.CalculateSymbolContext(&next_line_sc, + lldb::eSymbolContextLineEntry); + + if (next_line_sc.line_entry.IsValid() && + next_line_sc.line_entry.range.GetByteSize() > 0 && + original_file == next_line_sc.line_entry.original_file) { + // Include any line 0 entries - they indicate that this is + // compiler-generated code + // that does not correspond to user source code. + if (next_line_sc.line_entry.line == 0) { + complete_line_range.SetByteSize( + complete_line_range.GetByteSize() + + next_line_sc.line_entry.range.GetByteSize()); + continue; + } + + if (line == next_line_sc.line_entry.line) { + // next_line_sc is the same file & line as this LineEntry, so extend our + // AddressRange by its size and continue to see if there are more + // LineEntries + // that we can combine. + complete_line_range.SetByteSize( + complete_line_range.GetByteSize() + + next_line_sc.line_entry.range.GetByteSize()); + continue; + } } - return complete_line_range; + break; + } + return complete_line_range; } -void -LineEntry::ApplyFileMappings(lldb::TargetSP target_sp) -{ - if (target_sp) - { - // Apply any file remappings to our file - FileSpec new_file_spec; - if (target_sp->GetSourcePathMap().FindFile(original_file, new_file_spec)) - file = new_file_spec; - } +void LineEntry::ApplyFileMappings(lldb::TargetSP target_sp) { + if (target_sp) { + // Apply any file remappings to our file + FileSpec new_file_spec; + if (target_sp->GetSourcePathMap().FindFile(original_file, new_file_spec)) + file = new_file_spec; + } } |
