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Diffstat (limited to 'source/Plugins/SymbolFile/DWARF/DWARFDebugPubnames.cpp')
-rw-r--r--source/Plugins/SymbolFile/DWARF/DWARFDebugPubnames.cpp255
1 files changed, 0 insertions, 255 deletions
diff --git a/source/Plugins/SymbolFile/DWARF/DWARFDebugPubnames.cpp b/source/Plugins/SymbolFile/DWARF/DWARFDebugPubnames.cpp
deleted file mode 100644
index 766899c497b0..000000000000
--- a/source/Plugins/SymbolFile/DWARF/DWARFDebugPubnames.cpp
+++ /dev/null
@@ -1,255 +0,0 @@
-//===-- DWARFDebugPubnames.cpp ----------------------------------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "DWARFDebugPubnames.h"
-
-#include "lldb/Utility/Stream.h"
-#include "lldb/Utility/Timer.h"
-
-#include "DWARFCompileUnit.h"
-#include "DWARFDIECollection.h"
-#include "DWARFDebugInfo.h"
-#include "DWARFFormValue.h"
-#include "LogChannelDWARF.h"
-#include "SymbolFileDWARF.h"
-
-using namespace lldb;
-using namespace lldb_private;
-
-DWARFDebugPubnames::DWARFDebugPubnames() : m_sets() {}
-
-bool DWARFDebugPubnames::Extract(const DWARFDataExtractor &data) {
- static Timer::Category func_cat(LLVM_PRETTY_FUNCTION);
- Timer scoped_timer(func_cat,
- "DWARFDebugPubnames::Extract (byte_size = %" PRIu64 ")",
- (uint64_t)data.GetByteSize());
- Log *log(LogChannelDWARF::GetLogIfAll(DWARF_LOG_DEBUG_PUBNAMES));
- if (log)
- log->Printf("DWARFDebugPubnames::Extract (byte_size = %" PRIu64 ")",
- (uint64_t)data.GetByteSize());
-
- if (data.ValidOffset(0)) {
- lldb::offset_t offset = 0;
-
- DWARFDebugPubnamesSet set;
- while (data.ValidOffset(offset)) {
- if (set.Extract(data, &offset)) {
- m_sets.push_back(set);
- offset = set.GetOffsetOfNextEntry();
- } else
- break;
- }
- if (log)
- Dump(log);
- return true;
- }
- return false;
-}
-
-bool DWARFDebugPubnames::GeneratePubnames(SymbolFileDWARF *dwarf2Data) {
- static Timer::Category func_cat(LLVM_PRETTY_FUNCTION);
- Timer scoped_timer(func_cat,
- "DWARFDebugPubnames::GeneratePubnames (data = %p)",
- static_cast<void *>(dwarf2Data));
-
- Log *log(LogChannelDWARF::GetLogIfAll(DWARF_LOG_DEBUG_PUBNAMES));
- if (log)
- log->Printf("DWARFDebugPubnames::GeneratePubnames (data = %p)",
- static_cast<void *>(dwarf2Data));
-
- m_sets.clear();
- DWARFDebugInfo *debug_info = dwarf2Data->DebugInfo();
- if (debug_info) {
- uint32_t cu_idx = 0;
- const uint32_t num_compile_units = dwarf2Data->GetNumCompileUnits();
- for (cu_idx = 0; cu_idx < num_compile_units; ++cu_idx) {
-
- DWARFCompileUnit *cu = debug_info->GetCompileUnitAtIndex(cu_idx);
-
- DWARFFormValue::FixedFormSizes fixed_form_sizes =
- DWARFFormValue::GetFixedFormSizesForAddressSize(
- cu->GetAddressByteSize(), cu->IsDWARF64());
-
- bool clear_dies = cu->ExtractDIEsIfNeeded(false) > 1;
-
- DWARFDIECollection dies;
- const size_t die_count = cu->AppendDIEsWithTag(DW_TAG_subprogram, dies) +
- cu->AppendDIEsWithTag(DW_TAG_variable, dies);
-
- dw_offset_t cu_offset = cu->GetOffset();
- DWARFDebugPubnamesSet pubnames_set(DW_INVALID_OFFSET, cu_offset,
- cu->GetNextCompileUnitOffset() -
- cu_offset);
-
- size_t die_idx;
- for (die_idx = 0; die_idx < die_count; ++die_idx) {
- DWARFDIE die = dies.GetDIEAtIndex(die_idx);
- DWARFAttributes attributes;
- const char *name = NULL;
- const char *mangled = NULL;
- bool add_die = false;
- const size_t num_attributes = die.GetDIE()->GetAttributes(
- die.GetCU(), fixed_form_sizes, attributes);
- if (num_attributes > 0) {
- uint32_t i;
-
- dw_tag_t tag = die.Tag();
-
- for (i = 0; i < num_attributes; ++i) {
- dw_attr_t attr = attributes.AttributeAtIndex(i);
- DWARFFormValue form_value;
- switch (attr) {
- case DW_AT_name:
- if (attributes.ExtractFormValueAtIndex(i, form_value))
- name = form_value.AsCString();
- break;
-
- case DW_AT_MIPS_linkage_name:
- case DW_AT_linkage_name:
- if (attributes.ExtractFormValueAtIndex(i, form_value))
- mangled = form_value.AsCString();
- break;
-
- case DW_AT_low_pc:
- case DW_AT_ranges:
- case DW_AT_entry_pc:
- if (tag == DW_TAG_subprogram)
- add_die = true;
- break;
-
- case DW_AT_location:
- if (tag == DW_TAG_variable) {
- DWARFDIE parent_die = die.GetParent();
- while (parent_die) {
- switch (parent_die.Tag()) {
- case DW_TAG_subprogram:
- case DW_TAG_lexical_block:
- case DW_TAG_inlined_subroutine:
- // Even if this is a function level static, we don't add it.
- // We could theoretically
- // add these if we wanted to by introspecting into the
- // DW_AT_location and seeing
- // if the location describes a hard coded address, but we
- // don't want the performance
- // penalty of that right now.
- add_die = false;
- parent_die.Clear(); // Terminate the while loop.
- break;
-
- case DW_TAG_compile_unit:
- add_die = true;
- parent_die.Clear(); // Terminate the while loop.
- break;
-
- default:
- parent_die =
- parent_die.GetParent(); // Keep going in the while loop.
- break;
- }
- }
- }
- break;
- }
- }
- }
-
- if (add_die && (name || mangled)) {
- pubnames_set.AddDescriptor(die.GetCompileUnitRelativeOffset(),
- mangled ? mangled : name);
- }
- }
-
- if (pubnames_set.NumDescriptors() > 0) {
- m_sets.push_back(pubnames_set);
- }
-
- // Keep memory down by clearing DIEs if this generate function
- // caused them to be parsed
- if (clear_dies)
- cu->ClearDIEs(true);
- }
- }
- if (m_sets.empty())
- return false;
- if (log)
- Dump(log);
- return true;
-}
-
-bool DWARFDebugPubnames::GeneratePubBaseTypes(SymbolFileDWARF *dwarf2Data) {
- m_sets.clear();
- DWARFDebugInfo *debug_info = dwarf2Data->DebugInfo();
- if (debug_info) {
- uint32_t cu_idx = 0;
- const uint32_t num_compile_units = dwarf2Data->GetNumCompileUnits();
- for (cu_idx = 0; cu_idx < num_compile_units; ++cu_idx) {
- DWARFCompileUnit *cu = debug_info->GetCompileUnitAtIndex(cu_idx);
- DWARFDIECollection dies;
- const size_t die_count = cu->AppendDIEsWithTag(DW_TAG_base_type, dies);
- dw_offset_t cu_offset = cu->GetOffset();
- DWARFDebugPubnamesSet pubnames_set(DW_INVALID_OFFSET, cu_offset,
- cu->GetNextCompileUnitOffset() -
- cu_offset);
-
- size_t die_idx;
- for (die_idx = 0; die_idx < die_count; ++die_idx) {
- DWARFDIE die = dies.GetDIEAtIndex(die_idx);
- const char *name = die.GetName();
-
- if (name)
- pubnames_set.AddDescriptor(die.GetCompileUnitRelativeOffset(), name);
- }
-
- if (pubnames_set.NumDescriptors() > 0) {
- m_sets.push_back(pubnames_set);
- }
- }
- }
- return !m_sets.empty();
-}
-
-void DWARFDebugPubnames::Dump(Log *s) const {
- if (m_sets.empty())
- s->PutCString("< EMPTY >\n");
- else {
- const_iterator pos;
- const_iterator end = m_sets.end();
-
- for (pos = m_sets.begin(); pos != end; ++pos)
- (*pos).Dump(s);
- }
-}
-
-bool DWARFDebugPubnames::Find(const char *name, bool ignore_case,
- std::vector<dw_offset_t> &die_offsets) const {
- const_iterator pos;
- const_iterator end = m_sets.end();
-
- die_offsets.clear();
-
- for (pos = m_sets.begin(); pos != end; ++pos) {
- (*pos).Find(name, ignore_case, die_offsets);
- }
-
- return !die_offsets.empty();
-}
-
-bool DWARFDebugPubnames::Find(const RegularExpression &regex,
- std::vector<dw_offset_t> &die_offsets) const {
- const_iterator pos;
- const_iterator end = m_sets.end();
-
- die_offsets.clear();
-
- for (pos = m_sets.begin(); pos != end; ++pos) {
- (*pos).Find(regex, die_offsets);
- }
-
- return !die_offsets.empty();
-}
generated by cgit v1.3 (git 2.53.0) at 2026-07-29 23:36:11 +0000