PECOFF: Add support for export table.
llvm-svn: 189192
diff --git a/lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.cpp b/lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.cpp
index 7afcd6f..566057d 100644
--- a/lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.cpp
+++ b/lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.cpp
@@ -591,6 +591,59 @@
}
}
+
+ // Read export header
+ if (coff_data_dir_export_table < m_coff_header_opt.data_dirs.size()
+ && m_coff_header_opt.data_dirs[coff_data_dir_export_table].vmsize > 0 && m_coff_header_opt.data_dirs[coff_data_dir_export_table].vmaddr > 0)
+ {
+ export_directory_entry export_table;
+ uint32_t data_start = m_coff_header_opt.data_dirs[coff_data_dir_export_table].vmaddr;
+ Address address(m_coff_header_opt.image_base + data_start, sect_list);
+ DataBufferSP symtab_data_sp(m_file.ReadFileContents(address.GetSection()->GetFileOffset() + address.GetOffset(), m_coff_header_opt.data_dirs[0].vmsize));
+ DataExtractor symtab_data (symtab_data_sp, GetByteOrder(), GetAddressByteSize());
+ lldb::offset_t offset = 0;
+
+ // Read export_table header
+ export_table.characteristics = symtab_data.GetU32(&offset);
+ export_table.time_date_stamp = symtab_data.GetU32(&offset);
+ export_table.major_version = symtab_data.GetU16(&offset);
+ export_table.minor_version = symtab_data.GetU16(&offset);
+ export_table.name = symtab_data.GetU32(&offset);
+ export_table.base = symtab_data.GetU32(&offset);
+ export_table.number_of_functions = symtab_data.GetU32(&offset);
+ export_table.number_of_names = symtab_data.GetU32(&offset);
+ export_table.address_of_functions = symtab_data.GetU32(&offset);
+ export_table.address_of_names = symtab_data.GetU32(&offset);
+ export_table.address_of_name_ordinals = symtab_data.GetU32(&offset);
+
+ bool has_ordinal = export_table.address_of_name_ordinals != 0;
+
+ lldb::offset_t name_offset = export_table.address_of_names - data_start;
+ lldb::offset_t name_ordinal_offset = export_table.address_of_name_ordinals - data_start;
+
+ Symbol *symbols = m_symtab_ap->Resize(export_table.number_of_names);
+
+ std::string symbol_name;
+
+ // Read each export table entry
+ for (size_t i = 0; i < export_table.number_of_names; ++i)
+ {
+ uint32_t name_ordinal = has_ordinal ? symtab_data.GetU16(&name_ordinal_offset) : i;
+ uint32_t name_address = symtab_data.GetU32(&name_offset);
+
+ const char* symbol_name_cstr = symtab_data.PeekCStr(name_address - data_start);
+ symbol_name.assign(symbol_name_cstr);
+
+ lldb::offset_t function_offset = export_table.address_of_functions - data_start + sizeof(uint32_t) * name_ordinal;
+ uint32_t function_rva = symtab_data.GetU32(&function_offset);
+
+ Address symbol_addr(m_coff_header_opt.image_base + function_rva, sect_list);
+ symbols[i].GetMangled().SetValue(ConstString(symbol_name.c_str()));
+ symbols[i].GetAddress() = symbol_addr;
+ symbols[i].SetType(lldb::eSymbolTypeCode);
+ symbols[i].SetDebug(true);
+ }
+ }
}
}
return m_symtab_ap.get();
diff --git a/lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.h b/lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.h
index 4a41ba8..6511f06 100644
--- a/lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.h
+++ b/lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.h
@@ -199,6 +199,12 @@
// uint32_t num_data_dir_entries;
std::vector<data_directory> data_dirs; // will contain num_data_dir_entries entries
} coff_opt_header_t;
+
+ typedef enum coff_data_dir_type
+ {
+ coff_data_dir_export_table = 0,
+ coff_data_dir_import_table = 1,
+ } coff_data_dir_type;
typedef struct section_header {
char name[8];
@@ -221,6 +227,20 @@
uint8_t storage;
uint8_t naux;
} coff_symbol_t;
+
+ typedef struct export_directory_entry {
+ uint32_t characteristics;
+ uint32_t time_date_stamp;
+ uint16_t major_version;
+ uint16_t minor_version;
+ uint32_t name;
+ uint32_t base;
+ uint32_t number_of_functions;
+ uint32_t number_of_names;
+ uint32_t address_of_functions;
+ uint32_t address_of_names;
+ uint32_t address_of_name_ordinals;
+ };
bool ParseDOSHeader ();
bool ParseCOFFHeader (lldb::offset_t *offset_ptr);