diff options
Diffstat (limited to 'lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.cpp')
| -rw-r--r-- | lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.cpp | 945 |
1 files changed, 0 insertions, 945 deletions
diff --git a/lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.cpp b/lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.cpp deleted file mode 100644 index f908ec0a3c8c..000000000000 --- a/lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.cpp +++ /dev/null @@ -1,945 +0,0 @@ -//===-- ObjectFilePECOFF.cpp ------------------------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "ObjectFilePECOFF.h" - -#include "llvm/Support/MachO.h" - -#include "lldb/Core/ArchSpec.h" -#include "lldb/Core/DataBuffer.h" -#include "lldb/Host/FileSpec.h" -#include "lldb/Core/FileSpecList.h" -#include "lldb/Core/Module.h" -#include "lldb/Core/PluginManager.h" -#include "lldb/Core/Section.h" -#include "lldb/Core/StreamFile.h" -#include "lldb/Core/StreamString.h" -#include "lldb/Core/Timer.h" -#include "lldb/Core/UUID.h" -#include "lldb/Symbol/ObjectFile.h" - -static uint32_t COFFMachineToMachCPU(uint16_t machine); - -#define IMAGE_FILE_MACHINE_UNKNOWN 0x0000 -#define IMAGE_FILE_MACHINE_AM33 0x01d3 // Matsushita AM33 -#define IMAGE_FILE_MACHINE_AMD64 0x8664 // x64 -#define IMAGE_FILE_MACHINE_ARM 0x01c0 // ARM little endian -#define IMAGE_FILE_MACHINE_EBC 0x0ebc // EFI byte code -#define IMAGE_FILE_MACHINE_I386 0x014c // Intel 386 or later processors and compatible processors -#define IMAGE_FILE_MACHINE_IA64 0x0200 // Intel Itanium processor family -#define IMAGE_FILE_MACHINE_M32R 0x9041 // Mitsubishi M32R little endian -#define IMAGE_FILE_MACHINE_MIPS16 0x0266 // MIPS16 -#define IMAGE_FILE_MACHINE_MIPSFPU 0x0366 // MIPS with FPU -#define IMAGE_FILE_MACHINE_MIPSFPU16 0x0466 // MIPS16 with FPU -#define IMAGE_FILE_MACHINE_POWERPC 0x01f0 // Power PC little endian -#define IMAGE_FILE_MACHINE_POWERPCFP 0x01f1 // Power PC with floating point support -#define IMAGE_FILE_MACHINE_R4000 0x0166 // MIPS little endian -#define IMAGE_FILE_MACHINE_SH3 0x01a2 // Hitachi SH3 -#define IMAGE_FILE_MACHINE_SH3DSP 0x01a3 // Hitachi SH3 DSP -#define IMAGE_FILE_MACHINE_SH4 0x01a6 // Hitachi SH4 -#define IMAGE_FILE_MACHINE_SH5 0x01a8 // Hitachi SH5 -#define IMAGE_FILE_MACHINE_THUMB 0x01c2 // Thumb -#define IMAGE_FILE_MACHINE_WCEMIPSV2 0x0169 // MIPS little-endian WCE v2 - - -#define IMAGE_DOS_SIGNATURE 0x5A4D // MZ -#define IMAGE_OS2_SIGNATURE 0x454E // NE -#define IMAGE_OS2_SIGNATURE_LE 0x454C // LE -#define IMAGE_NT_SIGNATURE 0x00004550 // PE00 -#define OPT_HEADER_MAGIC_PE32 0x010b -#define OPT_HEADER_MAGIC_PE32_PLUS 0x020b - -#define IMAGE_FILE_RELOCS_STRIPPED 0x0001 -#define IMAGE_FILE_EXECUTABLE_IMAGE 0x0002 -#define IMAGE_FILE_LINE_NUMS_STRIPPED 0x0004 -#define IMAGE_FILE_LOCAL_SYMS_STRIPPED 0x0008 -#define IMAGE_FILE_AGGRESSIVE_WS_TRIM 0x0010 -#define IMAGE_FILE_LARGE_ADDRESS_AWARE 0x0020 -//#define 0x0040 // Reserved -#define IMAGE_FILE_BYTES_REVERSED_LO 0x0080 -#define IMAGE_FILE_32BIT_MACHINE 0x0100 -#define IMAGE_FILE_DEBUG_STRIPPED 0x0200 -#define IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP 0x0400 -#define IMAGE_FILE_NET_RUN_FROM_SWAP 0x0800 -#define IMAGE_FILE_SYSTEM 0x1000 -#define IMAGE_FILE_DLL 0x2000 -#define IMAGE_FILE_UP_SYSTEM_ONLY 0x4000 -#define IMAGE_FILE_BYTES_REVERSED_HI 0x8000 - - -// Section Flags -// The section flags in the Characteristics field of the section header indicate -// characteristics of the section. -#define IMAGE_SCN_TYPE_NO_PAD 0x00000008 // The section should not be padded to the next boundary. This flag is obsolete and is replaced by IMAGE_SCN_ALIGN_1BYTES. This is valid only for object files. -#define IMAGE_SCN_CNT_CODE 0x00000020 // The section contains executable code. -#define IMAGE_SCN_CNT_INITIALIZED_DATA 0x00000040 // The section contains initialized data. -#define IMAGE_SCN_CNT_UNINITIALIZED_DATA 0x00000080 // The section contains uninitialized data. -#define IMAGE_SCN_LNK_OTHER 0x00000100 // Reserved for future use. -#define IMAGE_SCN_LNK_INFO 0x00000200 // The section contains comments or other information. The .drectve section has this type. This is valid for object files only. -#define IMAGE_SCN_LNK_REMOVE 0x00000800 // The section will not become part of the image. This is valid only for object files. -#define IMAGE_SCN_LNK_COMDAT 0x00001000 // The section contains COMDAT data. For more information, see section 5.5.6, “COMDAT Sections (Object Only).” This is valid only for object files. -#define IMAGE_SCN_GPREL 0x00008000 // The section contains data referenced through the global pointer (GP). -#define IMAGE_SCN_MEM_PURGEABLE 0x00020000 -#define IMAGE_SCN_MEM_16BIT 0x00020000 // For ARM machine types, the section contains Thumb code. Reserved for future use with other machine types. -#define IMAGE_SCN_MEM_LOCKED 0x00040000 -#define IMAGE_SCN_MEM_PRELOAD 0x00080000 -#define IMAGE_SCN_ALIGN_1BYTES 0x00100000 // Align data on a 1-byte boundary. Valid only for object files. -#define IMAGE_SCN_ALIGN_2BYTES 0x00200000 // Align data on a 2-byte boundary. Valid only for object files. -#define IMAGE_SCN_ALIGN_4BYTES 0x00300000 // Align data on a 4-byte boundary. Valid only for object files. -#define IMAGE_SCN_ALIGN_8BYTES 0x00400000 // Align data on an 8-byte boundary. Valid only for object files. -#define IMAGE_SCN_ALIGN_16BYTES 0x00500000 // Align data on a 16-byte boundary. Valid only for object files. -#define IMAGE_SCN_ALIGN_32BYTES 0x00600000 // Align data on a 32-byte boundary. Valid only for object files. -#define IMAGE_SCN_ALIGN_64BYTES 0x00700000 // Align data on a 64-byte boundary. Valid only for object files. -#define IMAGE_SCN_ALIGN_128BYTES 0x00800000 // Align data on a 128-byte boundary. Valid only for object files. -#define IMAGE_SCN_ALIGN_256BYTES 0x00900000 // Align data on a 256-byte boundary. Valid only for object files. -#define IMAGE_SCN_ALIGN_512BYTES 0x00A00000 // Align data on a 512-byte boundary. Valid only for object files. -#define IMAGE_SCN_ALIGN_1024BYTES 0x00B00000 // Align data on a 1024-byte boundary. Valid only for object files. -#define IMAGE_SCN_ALIGN_2048BYTES 0x00C00000 // Align data on a 2048-byte boundary. Valid only for object files. -#define IMAGE_SCN_ALIGN_4096BYTES 0x00D00000 // Align data on a 4096-byte boundary. Valid only for object files. -#define IMAGE_SCN_ALIGN_8192BYTES 0x00E00000 // Align data on an 8192-byte boundary. Valid only for object files. -#define IMAGE_SCN_LNK_NRELOC_OVFL 0x01000000 // The section contains extended relocations. -#define IMAGE_SCN_MEM_DISCARDABLE 0x02000000 // The section can be discarded as needed. -#define IMAGE_SCN_MEM_NOT_CACHED 0x04000000 // The section cannot be cached. -#define IMAGE_SCN_MEM_NOT_PAGED 0x08000000 // The section is not pageable. -#define IMAGE_SCN_MEM_SHARED 0x10000000 // The section can be shared in memory. -#define IMAGE_SCN_MEM_EXECUTE 0x20000000 // The section can be executed as code. -#define IMAGE_SCN_MEM_READ 0x40000000 // The section can be read. -#define IMAGE_SCN_MEM_WRITE 0x80000000 // The section can be written to. - -using namespace lldb; -using namespace lldb_private; - -void -ObjectFilePECOFF::Initialize() -{ - PluginManager::RegisterPlugin (GetPluginNameStatic(), - GetPluginDescriptionStatic(), - CreateInstance, - CreateMemoryInstance); -} - -void -ObjectFilePECOFF::Terminate() -{ - PluginManager::UnregisterPlugin (CreateInstance); -} - - -const char * -ObjectFilePECOFF::GetPluginNameStatic() -{ - return "object-file.pe-coff"; -} - -const char * -ObjectFilePECOFF::GetPluginDescriptionStatic() -{ - return "Portable Executable and Common Object File Format object file reader (32 and 64 bit)"; -} - - -ObjectFile * -ObjectFilePECOFF::CreateInstance (const lldb::ModuleSP &module_sp, DataBufferSP& dataSP, const FileSpec* file, addr_t offset, addr_t length) -{ - if (ObjectFilePECOFF::MagicBytesMatch(dataSP)) - { - std::auto_ptr<ObjectFile> objfile_ap(new ObjectFilePECOFF (module_sp, dataSP, file, offset, length)); - if (objfile_ap.get() && objfile_ap->ParseHeader()) - return objfile_ap.release(); - } - return NULL; -} - -ObjectFile * -ObjectFilePECOFF::CreateMemoryInstance (const lldb::ModuleSP &module_sp, - lldb::DataBufferSP& data_sp, - const lldb::ProcessSP &process_sp, - lldb::addr_t header_addr) -{ - return NULL; -} - -bool -ObjectFilePECOFF::MagicBytesMatch (DataBufferSP& dataSP) -{ - DataExtractor data(dataSP, eByteOrderLittle, 4); - uint32_t offset = 0; - uint16_t magic = data.GetU16 (&offset); - return magic == IMAGE_DOS_SIGNATURE; -} - - -ObjectFilePECOFF::ObjectFilePECOFF (const lldb::ModuleSP &module_sp, - DataBufferSP& dataSP, - const FileSpec* file, - addr_t offset, - addr_t length) : - ObjectFile (module_sp, file, offset, length, dataSP), - m_dos_header (), - m_coff_header (), - m_coff_header_opt (), - m_sect_headers () -{ - ::memset (&m_dos_header, 0, sizeof(m_dos_header)); - ::memset (&m_coff_header, 0, sizeof(m_coff_header)); - ::memset (&m_coff_header_opt, 0, sizeof(m_coff_header_opt)); -} - - -ObjectFilePECOFF::~ObjectFilePECOFF() -{ -} - - -bool -ObjectFilePECOFF::ParseHeader () -{ - ModuleSP module_sp(GetModule()); - if (module_sp) - { - lldb_private::Mutex::Locker locker(module_sp->GetMutex()); - m_sect_headers.clear(); - m_data.SetByteOrder (eByteOrderLittle); - uint32_t offset = 0; - - if (ParseDOSHeader()) - { - offset = m_dos_header.e_lfanew; - uint32_t pe_signature = m_data.GetU32 (&offset); - if (pe_signature != IMAGE_NT_SIGNATURE) - return false; - if (ParseCOFFHeader(&offset)) - { - if (m_coff_header.hdrsize > 0) - ParseCOFFOptionalHeader(&offset); - ParseSectionHeaders (offset); - } - StreamFile s(stdout, false);// REMOVE THIS LINE!!! - Dump(&s);// REMOVE THIS LINE!!! - return true; - } - } - return false; -} - - -ByteOrder -ObjectFilePECOFF::GetByteOrder () const -{ - return eByteOrderLittle; -} - -bool -ObjectFilePECOFF::IsExecutable() const -{ - return (m_coff_header.flags & IMAGE_FILE_DLL) == 0; -} - -size_t -ObjectFilePECOFF::GetAddressByteSize () const -{ - if (m_coff_header_opt.magic == OPT_HEADER_MAGIC_PE32_PLUS) - return 8; - else if (m_coff_header_opt.magic == OPT_HEADER_MAGIC_PE32) - return 4; - return 4; -} - -//---------------------------------------------------------------------- -// NeedsEndianSwap -// -// Return true if an endian swap needs to occur when extracting data -// from this file. -//---------------------------------------------------------------------- -bool -ObjectFilePECOFF::NeedsEndianSwap() const -{ -#if defined(__LITTLE_ENDIAN__) - return false; -#else - return true; -#endif -} -//---------------------------------------------------------------------- -// ParseDOSHeader -//---------------------------------------------------------------------- -bool -ObjectFilePECOFF::ParseDOSHeader () -{ - bool success = false; - uint32_t offset = 0; - success = m_data.ValidOffsetForDataOfSize(0, sizeof(m_dos_header)); - - if (success) - { - m_dos_header.e_magic = m_data.GetU16(&offset); // Magic number - success = m_dos_header.e_magic == IMAGE_DOS_SIGNATURE; - - if (success) - { - m_dos_header.e_cblp = m_data.GetU16(&offset); // Bytes on last page of file - m_dos_header.e_cp = m_data.GetU16(&offset); // Pages in file - m_dos_header.e_crlc = m_data.GetU16(&offset); // Relocations - m_dos_header.e_cparhdr = m_data.GetU16(&offset); // Size of header in paragraphs - m_dos_header.e_minalloc = m_data.GetU16(&offset); // Minimum extra paragraphs needed - m_dos_header.e_maxalloc = m_data.GetU16(&offset); // Maximum extra paragraphs needed - m_dos_header.e_ss = m_data.GetU16(&offset); // Initial (relative) SS value - m_dos_header.e_sp = m_data.GetU16(&offset); // Initial SP value - m_dos_header.e_csum = m_data.GetU16(&offset); // Checksum - m_dos_header.e_ip = m_data.GetU16(&offset); // Initial IP value - m_dos_header.e_cs = m_data.GetU16(&offset); // Initial (relative) CS value - m_dos_header.e_lfarlc = m_data.GetU16(&offset); // File address of relocation table - m_dos_header.e_ovno = m_data.GetU16(&offset); // Overlay number - - m_dos_header.e_res[0] = m_data.GetU16(&offset); // Reserved words - m_dos_header.e_res[1] = m_data.GetU16(&offset); // Reserved words - m_dos_header.e_res[2] = m_data.GetU16(&offset); // Reserved words - m_dos_header.e_res[3] = m_data.GetU16(&offset); // Reserved words - - m_dos_header.e_oemid = m_data.GetU16(&offset); // OEM identifier (for e_oeminfo) - m_dos_header.e_oeminfo = m_data.GetU16(&offset); // OEM information; e_oemid specific - m_dos_header.e_res2[0] = m_data.GetU16(&offset); // Reserved words - m_dos_header.e_res2[1] = m_data.GetU16(&offset); // Reserved words - m_dos_header.e_res2[2] = m_data.GetU16(&offset); // Reserved words - m_dos_header.e_res2[3] = m_data.GetU16(&offset); // Reserved words - m_dos_header.e_res2[4] = m_data.GetU16(&offset); // Reserved words - m_dos_header.e_res2[5] = m_data.GetU16(&offset); // Reserved words - m_dos_header.e_res2[6] = m_data.GetU16(&offset); // Reserved words - m_dos_header.e_res2[7] = m_data.GetU16(&offset); // Reserved words - m_dos_header.e_res2[8] = m_data.GetU16(&offset); // Reserved words - m_dos_header.e_res2[9] = m_data.GetU16(&offset); // Reserved words - - m_dos_header.e_lfanew = m_data.GetU32(&offset); // File address of new exe header - } - } - if (!success) - memset(&m_dos_header, 0, sizeof(m_dos_header)); - return success; -} - - -//---------------------------------------------------------------------- -// ParserCOFFHeader -//---------------------------------------------------------------------- -bool -ObjectFilePECOFF::ParseCOFFHeader(uint32_t* offset_ptr) -{ - bool success = m_data.ValidOffsetForDataOfSize (*offset_ptr, sizeof(m_coff_header)); - if (success) - { - m_coff_header.machine = m_data.GetU16(offset_ptr); - m_coff_header.nsects = m_data.GetU16(offset_ptr); - m_coff_header.modtime = m_data.GetU32(offset_ptr); - m_coff_header.symoff = m_data.GetU32(offset_ptr); - m_coff_header.nsyms = m_data.GetU32(offset_ptr); - m_coff_header.hdrsize = m_data.GetU16(offset_ptr); - m_coff_header.flags = m_data.GetU16(offset_ptr); - } - if (!success) - memset(&m_coff_header, 0, sizeof(m_coff_header)); - return success; -} - -bool -ObjectFilePECOFF::ParseCOFFOptionalHeader(uint32_t* offset_ptr) -{ - bool success = false; - const uint32_t end_offset = *offset_ptr + m_coff_header.hdrsize; - if (*offset_ptr < end_offset) - { - success = true; - m_coff_header_opt.magic = m_data.GetU16(offset_ptr); - m_coff_header_opt.major_linker_version = m_data.GetU8 (offset_ptr); - m_coff_header_opt.minor_linker_version = m_data.GetU8 (offset_ptr); - m_coff_header_opt.code_size = m_data.GetU32(offset_ptr); - m_coff_header_opt.data_size = m_data.GetU32(offset_ptr); - m_coff_header_opt.bss_size = m_data.GetU32(offset_ptr); - m_coff_header_opt.entry = m_data.GetU32(offset_ptr); - m_coff_header_opt.code_offset = m_data.GetU32(offset_ptr); - - const uint32_t addr_byte_size = GetAddressByteSize (); - - if (*offset_ptr < end_offset) - { - if (m_coff_header_opt.magic == OPT_HEADER_MAGIC_PE32) - { - // PE32 only - m_coff_header_opt.data_offset = m_data.GetU32(offset_ptr); - } - else - m_coff_header_opt.data_offset = 0; - - if (*offset_ptr < end_offset) - { - m_coff_header_opt.image_base = m_data.GetMaxU64 (offset_ptr, addr_byte_size); - m_coff_header_opt.sect_alignment = m_data.GetU32(offset_ptr); - m_coff_header_opt.file_alignment = m_data.GetU32(offset_ptr); - m_coff_header_opt.major_os_system_version = m_data.GetU16(offset_ptr); - m_coff_header_opt.minor_os_system_version = m_data.GetU16(offset_ptr); - m_coff_header_opt.major_image_version = m_data.GetU16(offset_ptr); - m_coff_header_opt.minor_image_version = m_data.GetU16(offset_ptr); - m_coff_header_opt.major_subsystem_version = m_data.GetU16(offset_ptr); - m_coff_header_opt.minor_subsystem_version = m_data.GetU16(offset_ptr); - m_coff_header_opt.reserved1 = m_data.GetU32(offset_ptr); - m_coff_header_opt.image_size = m_data.GetU32(offset_ptr); - m_coff_header_opt.header_size = m_data.GetU32(offset_ptr); - m_coff_header_opt.checksum = m_data.GetU32(offset_ptr); - m_coff_header_opt.subsystem = m_data.GetU16(offset_ptr); - m_coff_header_opt.dll_flags = m_data.GetU16(offset_ptr); - m_coff_header_opt.stack_reserve_size = m_data.GetMaxU64 (offset_ptr, addr_byte_size); - m_coff_header_opt.stack_commit_size = m_data.GetMaxU64 (offset_ptr, addr_byte_size); - m_coff_header_opt.heap_reserve_size = m_data.GetMaxU64 (offset_ptr, addr_byte_size); - m_coff_header_opt.heap_commit_size = m_data.GetMaxU64 (offset_ptr, addr_byte_size); - m_coff_header_opt.loader_flags = m_data.GetU32(offset_ptr); - uint32_t num_data_dir_entries = m_data.GetU32(offset_ptr); - m_coff_header_opt.data_dirs.clear(); - m_coff_header_opt.data_dirs.resize(num_data_dir_entries); - uint32_t i; - for (i=0; i<num_data_dir_entries; i++) - { - m_coff_header_opt.data_dirs[i].vmaddr = m_data.GetU32(offset_ptr); - m_coff_header_opt.data_dirs[i].vmsize = m_data.GetU32(offset_ptr); - } - } - } - } - // Make sure we are on track for section data which follows - *offset_ptr = end_offset; - return success; -} - - -//---------------------------------------------------------------------- -// ParseSectionHeaders -//---------------------------------------------------------------------- -bool -ObjectFilePECOFF::ParseSectionHeaders (uint32_t section_header_data_offset) -{ - const uint32_t nsects = m_coff_header.nsects; - m_sect_headers.clear(); - - if (nsects > 0) - { - const uint32_t addr_byte_size = GetAddressByteSize (); - const size_t section_header_byte_size = nsects * sizeof(section_header_t); - DataBufferSP section_header_data_sp(m_file.ReadFileContents (section_header_data_offset, section_header_byte_size)); - DataExtractor section_header_data (section_header_data_sp, GetByteOrder(), addr_byte_size); - - uint32_t offset = 0; - if (section_header_data.ValidOffsetForDataOfSize (offset, section_header_byte_size)) - { - m_sect_headers.resize(nsects); - - for (uint32_t idx = 0; idx<nsects; ++idx) - { - const void *name_data = section_header_data.GetData(&offset, 8); - if (name_data) - { - memcpy(m_sect_headers[idx].name, name_data, 8); - m_sect_headers[idx].vmsize = section_header_data.GetU32(&offset); - m_sect_headers[idx].vmaddr = section_header_data.GetU32(&offset); - m_sect_headers[idx].size = section_header_data.GetU32(&offset); - m_sect_headers[idx].offset = section_header_data.GetU32(&offset); - m_sect_headers[idx].reloff = section_header_data.GetU32(&offset); - m_sect_headers[idx].lineoff = section_header_data.GetU32(&offset); - m_sect_headers[idx].nreloc = section_header_data.GetU16(&offset); - m_sect_headers[idx].nline = section_header_data.GetU16(&offset); - m_sect_headers[idx].flags = section_header_data.GetU32(&offset); - } - } - } - } - - return m_sect_headers.empty() == false; -} - -bool -ObjectFilePECOFF::GetSectionName(std::string& sect_name, const section_header_t& sect) -{ - if (sect.name[0] == '/') - { - uint32_t stroff = strtoul(§.name[1], NULL, 10); - uint32_t string_file_offset = m_coff_header.symoff + (m_coff_header.nsyms * 18) + stroff; - const char *name = m_data.GetCStr (&string_file_offset); - if (name) - { - sect_name = name; - return true; - } - - return false; - } - sect_name = sect.name; - return true; -} - -//---------------------------------------------------------------------- -// GetNListSymtab -//---------------------------------------------------------------------- -Symtab * -ObjectFilePECOFF::GetSymtab() -{ - ModuleSP module_sp(GetModule()); - if (module_sp) - { - lldb_private::Mutex::Locker locker(module_sp->GetMutex()); - if (m_symtab_ap.get() == NULL) - { - SectionList *sect_list = GetSectionList(); - m_symtab_ap.reset(new Symtab(this)); - Mutex::Locker symtab_locker (m_symtab_ap->GetMutex()); - - const uint32_t num_syms = m_coff_header.nsyms; - - if (num_syms > 0 && m_coff_header.symoff > 0) - { - const uint32_t symbol_size = sizeof(section_header_t); - const uint32_t addr_byte_size = GetAddressByteSize (); - const size_t symbol_data_size = num_syms * symbol_size; - // Include the 4 bytes string table size at the end of the symbols - DataBufferSP symtab_data_sp(m_file.ReadFileContents (m_coff_header.symoff, symbol_data_size + 4)); - DataExtractor symtab_data (symtab_data_sp, GetByteOrder(), addr_byte_size); - uint32_t offset = symbol_data_size; - const uint32_t strtab_size = symtab_data.GetU32 (&offset); - DataBufferSP strtab_data_sp(m_file.ReadFileContents (m_coff_header.symoff + symbol_data_size + 4, strtab_size)); - DataExtractor strtab_data (strtab_data_sp, GetByteOrder(), addr_byte_size); - - offset = 0; - std::string symbol_name; - Symbol *symbols = m_symtab_ap->Resize (num_syms); - for (uint32_t i=0; i<num_syms; ++i) - { - coff_symbol_t symbol; - const uint32_t symbol_offset = offset; - const char *symbol_name_cstr = NULL; - // If the first 4 bytes of the symbol string are zero, then we - // it is followed by a 4 byte string table offset. Else these - // 8 bytes contain the symbol name - if (symtab_data.GetU32 (&offset) == 0) - { - // Long string that doesn't fit into the symbol table name, - // so now we must read the 4 byte string table offset - uint32_t strtab_offset = symtab_data.GetU32 (&offset); - symbol_name_cstr = strtab_data.PeekCStr (strtab_offset); - symbol_name.assign (symbol_name_cstr); - } - else - { - // Short string that fits into the symbol table name which is 8 bytes - offset += sizeof(symbol.name) - 4; // Skip remaining - symbol_name_cstr = symtab_data.PeekCStr (symbol_offset); - if (symbol_name_cstr == NULL) - break; - symbol_name.assign (symbol_name_cstr, sizeof(symbol.name)); - } - symbol.value = symtab_data.GetU32 (&offset); - symbol.sect = symtab_data.GetU16 (&offset); - symbol.type = symtab_data.GetU16 (&offset); - symbol.storage = symtab_data.GetU8 (&offset); - symbol.naux = symtab_data.GetU8 (&offset); - Address symbol_addr(sect_list->GetSectionAtIndex(symbol.sect-1), symbol.value); - symbols[i].GetMangled ().SetValue (symbol_name.c_str(), symbol_name[0]=='_' && symbol_name[1] == 'Z'); - symbols[i].GetAddress() = symbol_addr; - - if (symbol.naux > 0) - i += symbol.naux; - } - - } - } - } - return m_symtab_ap.get(); - -} - -SectionList * -ObjectFilePECOFF::GetSectionList() -{ - ModuleSP module_sp(GetModule()); - if (module_sp) - { - lldb_private::Mutex::Locker locker(module_sp->GetMutex()); - if (m_sections_ap.get() == NULL) - { - m_sections_ap.reset(new SectionList()); - const uint32_t nsects = m_sect_headers.size(); - ModuleSP module_sp (GetModule()); - for (uint32_t idx = 0; idx<nsects; ++idx) - { - std::string sect_name; - GetSectionName (sect_name, m_sect_headers[idx]); - ConstString const_sect_name (sect_name.c_str()); - static ConstString g_code_sect_name (".code"); - static ConstString g_CODE_sect_name ("CODE"); - static ConstString g_data_sect_name (".data"); - static ConstString g_DATA_sect_name ("DATA"); - static ConstString g_bss_sect_name (".bss"); - static ConstString g_BSS_sect_name ("BSS"); - static ConstString g_debug_sect_name (".debug"); - static ConstString g_reloc_sect_name (".reloc"); - static ConstString g_stab_sect_name (".stab"); - static ConstString g_stabstr_sect_name (".stabstr"); - SectionType section_type = eSectionTypeOther; - if (m_sect_headers[idx].flags & IMAGE_SCN_CNT_CODE && - ((const_sect_name == g_code_sect_name) || (const_sect_name == g_CODE_sect_name))) - { - section_type = eSectionTypeCode; - } - else if (m_sect_headers[idx].flags & IMAGE_SCN_CNT_INITIALIZED_DATA && - ((const_sect_name == g_data_sect_name) || (const_sect_name == g_DATA_sect_name))) - { - section_type = eSectionTypeData; - } - else if (m_sect_headers[idx].flags & IMAGE_SCN_CNT_UNINITIALIZED_DATA && - ((const_sect_name == g_bss_sect_name) || (const_sect_name == g_BSS_sect_name))) - { - if (m_sect_headers[idx].size == 0) - section_type = eSectionTypeZeroFill; - else - section_type = eSectionTypeData; - } - else if (const_sect_name == g_debug_sect_name) - { - section_type = eSectionTypeDebug; - } - else if (const_sect_name == g_stabstr_sect_name) - { - section_type = eSectionTypeDataCString; - } - else if (const_sect_name == g_reloc_sect_name) - { - section_type = eSectionTypeOther; - } - else if (m_sect_headers[idx].flags & IMAGE_SCN_CNT_CODE) - { - section_type = eSectionTypeCode; - } - else if (m_sect_headers[idx].flags & IMAGE_SCN_CNT_INITIALIZED_DATA) - { - section_type = eSectionTypeData; - } - else if (m_sect_headers[idx].flags & IMAGE_SCN_CNT_UNINITIALIZED_DATA) - { - if (m_sect_headers[idx].size == 0) - section_type = eSectionTypeZeroFill; - else - section_type = eSectionTypeData; - } - - // Use a segment ID of the segment index shifted left by 8 so they - // never conflict with any of the sections. - SectionSP section_sp (new Section (module_sp, // Module to which this section belongs - idx + 1, // Section ID is the 1 based segment index shifted right by 8 bits as not to collide with any of the 256 section IDs that are possible - const_sect_name, // Name of this section - section_type, // This section is a container of other sections. - m_sect_headers[idx].vmaddr, // File VM address == addresses as they are found in the object file - m_sect_headers[idx].vmsize, // VM size in bytes of this section - m_sect_headers[idx].offset, // Offset to the data for this section in the file - m_sect_headers[idx].size, // Size in bytes of this section as found in the the file - m_sect_headers[idx].flags)); // Flags for this section - - //section_sp->SetIsEncrypted (segment_is_encrypted); - - m_sections_ap->AddSection(section_sp); - } - } - } - return m_sections_ap.get(); -} - -bool -ObjectFilePECOFF::GetUUID (UUID* uuid) -{ - return false; -} - -uint32_t -ObjectFilePECOFF::GetDependentModules (FileSpecList& files) -{ - return 0; -} - - -//---------------------------------------------------------------------- -// Dump -// -// Dump the specifics of the runtime file container (such as any headers -// segments, sections, etc). -//---------------------------------------------------------------------- -void -ObjectFilePECOFF::Dump(Stream *s) -{ - ModuleSP module_sp(GetModule()); - if (module_sp) - { - lldb_private::Mutex::Locker locker(module_sp->GetMutex()); - s->Printf("%p: ", this); - s->Indent(); - s->PutCString("ObjectFilePECOFF"); - - ArchSpec header_arch; - GetArchitecture (header_arch); - - *s << ", file = '" << m_file << "', arch = " << header_arch.GetArchitectureName() << "\n"; - - if (m_sections_ap.get()) - m_sections_ap->Dump(s, NULL, true, UINT32_MAX); - - if (m_symtab_ap.get()) - m_symtab_ap->Dump(s, NULL, eSortOrderNone); - - if (m_dos_header.e_magic) - DumpDOSHeader (s, m_dos_header); - if (m_coff_header.machine) - { - DumpCOFFHeader (s, m_coff_header); - if (m_coff_header.hdrsize) - DumpOptCOFFHeader (s, m_coff_header_opt); - } - s->EOL(); - DumpSectionHeaders(s); - s->EOL(); - } -} - -//---------------------------------------------------------------------- -// DumpDOSHeader -// -// Dump the MS-DOS header to the specified output stream -//---------------------------------------------------------------------- -void -ObjectFilePECOFF::DumpDOSHeader(Stream *s, const dos_header_t& header) -{ - s->PutCString ("MSDOS Header\n"); - s->Printf (" e_magic = 0x%4.4x\n", header.e_magic); - s->Printf (" e_cblp = 0x%4.4x\n", header.e_cblp); - s->Printf (" e_cp = 0x%4.4x\n", header.e_cp); - s->Printf (" e_crlc = 0x%4.4x\n", header.e_crlc); - s->Printf (" e_cparhdr = 0x%4.4x\n", header.e_cparhdr); - s->Printf (" e_minalloc = 0x%4.4x\n", header.e_minalloc); - s->Printf (" e_maxalloc = 0x%4.4x\n", header.e_maxalloc); - s->Printf (" e_ss = 0x%4.4x\n", header.e_ss); - s->Printf (" e_sp = 0x%4.4x\n", header.e_sp); - s->Printf (" e_csum = 0x%4.4x\n", header.e_csum); - s->Printf (" e_ip = 0x%4.4x\n", header.e_ip); - s->Printf (" e_cs = 0x%4.4x\n", header.e_cs); - s->Printf (" e_lfarlc = 0x%4.4x\n", header.e_lfarlc); - s->Printf (" e_ovno = 0x%4.4x\n", header.e_ovno); - s->Printf (" e_res[4] = { 0x%4.4x, 0x%4.4x, 0x%4.4x, 0x%4.4x }\n", - header.e_res[0], - header.e_res[1], - header.e_res[2], - header.e_res[3]); - s->Printf (" e_oemid = 0x%4.4x\n", header.e_oemid); - s->Printf (" e_oeminfo = 0x%4.4x\n", header.e_oeminfo); - s->Printf (" e_res2[10] = { 0x%4.4x, 0x%4.4x, 0x%4.4x, 0x%4.4x, 0x%4.4x, 0x%4.4x, 0x%4.4x, 0x%4.4x, 0x%4.4x, 0x%4.4x }\n", - header.e_res2[0], - header.e_res2[1], - header.e_res2[2], - header.e_res2[3], - header.e_res2[4], - header.e_res2[5], - header.e_res2[6], - header.e_res2[7], - header.e_res2[8], - header.e_res2[9]); - s->Printf (" e_lfanew = 0x%8.8x\n", header.e_lfanew); -} - -//---------------------------------------------------------------------- -// DumpCOFFHeader -// -// Dump the COFF header to the specified output stream -//---------------------------------------------------------------------- -void -ObjectFilePECOFF::DumpCOFFHeader(Stream *s, const coff_header_t& header) -{ - s->PutCString ("COFF Header\n"); - s->Printf (" machine = 0x%4.4x\n", header.machine); - s->Printf (" nsects = 0x%4.4x\n", header.nsects); - s->Printf (" modtime = 0x%8.8x\n", header.modtime); - s->Printf (" symoff = 0x%8.8x\n", header.symoff); - s->Printf (" nsyms = 0x%8.8x\n", header.nsyms); - s->Printf (" hdrsize = 0x%4.4x\n", header.hdrsize); -} - -//---------------------------------------------------------------------- -// DumpOptCOFFHeader -// -// Dump the optional COFF header to the specified output stream -//---------------------------------------------------------------------- -void -ObjectFilePECOFF::DumpOptCOFFHeader(Stream *s, const coff_opt_header_t& header) -{ - s->PutCString ("Optional COFF Header\n"); - s->Printf (" magic = 0x%4.4x\n", header.magic); - s->Printf (" major_linker_version = 0x%2.2x\n", header.major_linker_version); - s->Printf (" minor_linker_version = 0x%2.2x\n", header.minor_linker_version); - s->Printf (" code_size = 0x%8.8x\n", header.code_size); - s->Printf (" data_size = 0x%8.8x\n", header.data_size); - s->Printf (" bss_size = 0x%8.8x\n", header.bss_size); - s->Printf (" entry = 0x%8.8x\n", header.entry); - s->Printf (" code_offset = 0x%8.8x\n", header.code_offset); - s->Printf (" data_offset = 0x%8.8x\n", header.data_offset); - s->Printf (" image_base = 0x%16.16llx\n", header.image_base); - s->Printf (" sect_alignment = 0x%8.8x\n", header.sect_alignment); - s->Printf (" file_alignment = 0x%8.8x\n", header.file_alignment); - s->Printf (" major_os_system_version = 0x%4.4x\n", header.major_os_system_version); - s->Printf (" minor_os_system_version = 0x%4.4x\n", header.minor_os_system_version); - s->Printf (" major_image_version = 0x%4.4x\n", header.major_image_version); - s->Printf (" minor_image_version = 0x%4.4x\n", header.minor_image_version); - s->Printf (" major_subsystem_version = 0x%4.4x\n", header.major_subsystem_version); - s->Printf (" minor_subsystem_version = 0x%4.4x\n", header.minor_subsystem_version); - s->Printf (" reserved1 = 0x%8.8x\n", header.reserved1); - s->Printf (" image_size = 0x%8.8x\n", header.image_size); - s->Printf (" header_size = 0x%8.8x\n", header.header_size); - s->Printf (" checksum = 0x%8.8x\n", header.checksum); - s->Printf (" subsystem = 0x%4.4x\n", header.subsystem); - s->Printf (" dll_flags = 0x%4.4x\n", header.dll_flags); - s->Printf (" stack_reserve_size = 0x%16.16llx\n", header.stack_reserve_size); - s->Printf (" stack_commit_size = 0x%16.16llx\n", header.stack_commit_size); - s->Printf (" heap_reserve_size = 0x%16.16llx\n", header.heap_reserve_size); - s->Printf (" heap_commit_size = 0x%16.16llx\n", header.heap_commit_size); - s->Printf (" loader_flags = 0x%8.8x\n", header.loader_flags); - s->Printf (" num_data_dir_entries = 0x%8.8zx\n", header.data_dirs.size()); - uint32_t i; - for (i=0; i<header.data_dirs.size(); i++) - { - s->Printf (" data_dirs[%2u] vmaddr = 0x%8.8x, vmsize = 0x%8.8x\n", - i, - header.data_dirs[i].vmaddr, - header.data_dirs[i].vmsize); - } -} -//---------------------------------------------------------------------- -// DumpSectionHeader -// -// Dump a single ELF section header to the specified output stream -//---------------------------------------------------------------------- -void -ObjectFilePECOFF::DumpSectionHeader(Stream *s, const section_header_t& sh) -{ - std::string name; - GetSectionName(name, sh); - s->Printf ("%-16s 0x%8.8x 0x%8.8x 0x%8.8x 0x%8.8x 0x%8.8x 0x%8.8x 0x%4.4x 0x%4.4x 0x%8.8x\n", - name.c_str(), - sh.vmaddr, - sh.vmsize, - sh.offset, - sh.size, - sh.reloff, - sh.lineoff, - sh.nreloc, - sh.nline, - sh.flags); -} - - -//---------------------------------------------------------------------- -// DumpSectionHeaders -// -// Dump all of the ELF section header to the specified output stream -//---------------------------------------------------------------------- -void -ObjectFilePECOFF::DumpSectionHeaders(Stream *s) -{ - - s->PutCString ("Section Headers\n"); - s->PutCString ("IDX name vm addr vm size file off file size reloc off line off nreloc nline flags\n"); - s->PutCString ("==== ---------------- ---------- ---------- ---------- ---------- ---------- ---------- ------ ------ ----------\n"); - - uint32_t idx = 0; - SectionHeaderCollIter pos, end = m_sect_headers.end(); - - for (pos = m_sect_headers.begin(); pos != end; ++pos, ++idx) - { - s->Printf ("[%2u] ", idx); - ObjectFilePECOFF::DumpSectionHeader(s, *pos); - } -} - -static bool -COFFMachineToMachCPU (uint16_t machine, ArchSpec &arch) -{ - switch (machine) - { - case IMAGE_FILE_MACHINE_AMD64: - case IMAGE_FILE_MACHINE_IA64: - arch.SetArchitecture (eArchTypeMachO, - llvm::MachO::CPUTypeX86_64, - llvm::MachO::CPUSubType_X86_64_ALL); - return true; - - case IMAGE_FILE_MACHINE_I386: - arch.SetArchitecture (eArchTypeMachO, - llvm::MachO::CPUTypeI386, - llvm::MachO::CPUSubType_I386_ALL); - return true; - - case IMAGE_FILE_MACHINE_POWERPC: - case IMAGE_FILE_MACHINE_POWERPCFP: - arch.SetArchitecture (eArchTypeMachO, - llvm::MachO::CPUTypePowerPC, - llvm::MachO::CPUSubType_POWERPC_ALL); - return true; - case IMAGE_FILE_MACHINE_ARM: - case IMAGE_FILE_MACHINE_THUMB: - arch.SetArchitecture (eArchTypeMachO, - llvm::MachO::CPUTypeARM, - llvm::MachO::CPUSubType_ARM_V7); - return true; - } - return false; -} -bool -ObjectFilePECOFF::GetArchitecture (ArchSpec &arch) -{ - // For index zero return our cpu type - return COFFMachineToMachCPU (m_coff_header.machine, arch); -} - -ObjectFile::Type -ObjectFilePECOFF::CalculateType() -{ - if (m_coff_header.machine != 0) - { - if ((m_coff_header.flags & IMAGE_FILE_DLL) == 0) - return eTypeExecutable; - else - return eTypeSharedLibrary; - } - return eTypeExecutable; -} - -ObjectFile::Strata -ObjectFilePECOFF::CalculateStrata() -{ - return eStrataUser; -} -//------------------------------------------------------------------ -// PluginInterface protocol -//------------------------------------------------------------------ -const char * -ObjectFilePECOFF::GetPluginName() -{ - return "ObjectFilePECOFF"; -} - -const char * -ObjectFilePECOFF::GetShortPluginName() -{ - return GetPluginNameStatic(); -} - -uint32_t -ObjectFilePECOFF::GetPluginVersion() -{ - return 1; -} - |