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author | Greg Clayton <gclayton@apple.com> | 2011-09-09 20:33:05 +0000 |
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committer | Greg Clayton <gclayton@apple.com> | 2011-09-09 20:33:05 +0000 |
commit | f754f88f6d96e5d14fbae059151eb310a6dbbca7 (patch) | |
tree | 3d6db88b4acb0caaacaaece084ba015ac4dc80bf /lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.cpp | |
parent | de838daefde9421823ad1044a415e42d481f7485 (diff) | |
download | bcm5719-llvm-f754f88f6d96e5d14fbae059151eb310a6dbbca7.tar.gz bcm5719-llvm-f754f88f6d96e5d14fbae059151eb310a6dbbca7.zip |
Added first pass at PE COFF file reading support. It parses the sections
correctly, symbols are coming soon. It also needs to be 32/64 bit hardened
with more testing.
llvm-svn: 139401
Diffstat (limited to 'lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.cpp')
-rw-r--r-- | lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.cpp | 805 |
1 files changed, 805 insertions, 0 deletions
diff --git a/lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.cpp b/lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.cpp new file mode 100644 index 00000000000..37afed76c37 --- /dev/null +++ b/lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.cpp @@ -0,0 +1,805 @@ +//===-- 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 + +using namespace lldb; +using namespace lldb_private; + +void +ObjectFilePECOFF::Initialize() +{ + PluginManager::RegisterPlugin (GetPluginNameStatic(), + GetPluginDescriptionStatic(), + CreateInstance); +} + +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 (Module* module, DataBufferSP& dataSP, const FileSpec* file, addr_t offset, addr_t length) +{ + if (ObjectFilePECOFF::MagicBytesMatch(dataSP)) + { + std::auto_ptr<ObjectFile> objfile_ap(new ObjectFilePECOFF (module, dataSP, file, offset, length)); + if (objfile_ap.get() && objfile_ap->ParseHeader()) + return objfile_ap.release(); + } + 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 (Module* module, + DataBufferSP& dataSP, + const FileSpec* file, + addr_t offset, + addr_t length) : + ObjectFile (module, file, offset, length, dataSP), + m_mutex (Mutex::eMutexTypeRecursive), + 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 () +{ + Mutex::Locker locker(m_mutex); + 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); + 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.checksym = 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() +{ + Mutex::Locker symfile_locker(m_mutex); + 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()); + DataExtractor stab_data; + DataExtractor stabstr_data; + static ConstString g_stab_sect_name(".stab"); + static ConstString g_stabstr_sect_name(".stabstr"); + const Section *stab_section = sect_list->FindSectionByName (g_stab_sect_name).get(); + if (stab_section == NULL) + return m_symtab_ap.get(); + const Section *stabstr_section = sect_list->FindSectionByName (g_stabstr_sect_name).get(); + if (stabstr_section == NULL) + return m_symtab_ap.get(); + uint32_t offset = 0; + if (stab_section->ReadSectionDataFromObjectFile (this, stab_data) && + stabstr_section->ReadSectionDataFromObjectFile (this, stabstr_data)) + { + const uint32_t num_syms = stab_data.GetByteSize() / sizeof (coff_symbol_t); + Symbol *symbols = m_symtab_ap->Resize (num_syms); + for (uint32_t i=0; i<num_syms; ++i) + { + coff_symbol_t symbol; + const void *name_data = stab_data.GetData(&offset, sizeof(symbol.name)); + + if (name_data == NULL) + break; + memcpy (symbol.name, name_data, sizeof(symbol.name)); + symbol.value = stab_data.GetU32 (&offset); + symbol.sect = stab_data.GetU16 (&offset); + symbol.type = stab_data.GetU16 (&offset); + symbol.storage = stab_data.GetU8 (&offset); + symbol.naux = stab_data.GetU8 (&offset); + + symbol.name[sizeof(symbol.name)-1] = '\0'; + Address symbol_addr(sect_list->GetSectionAtIndex(symbol.sect-1).get(), symbol.value); + symbols[i].GetMangled ().SetValue(symbol.name, symbol.name[0]=='_' && symbol.name[1] == 'Z'); + symbols[i].SetValue(symbol_addr); + + if (symbol.naux > 0) + i += symbol.naux; + } + + } + } + return m_symtab_ap.get(); + +} + +SectionList * +ObjectFilePECOFF::GetSectionList() +{ + Mutex::Locker symfile_locker(m_mutex); + if (m_sections_ap.get() == NULL) + { + m_sections_ap.reset(new SectionList()); + const uint32_t nsects = m_sect_headers.size(); + Module *module = 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()); + + // 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 (NULL, + module, // 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 + eSectionTypeCode, // 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) +{ + Mutex::Locker locker(m_mutex); + s->Printf("%.*p: ", (int)sizeof(void*) * 2, 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 (" checksym = 0x%8.8x\n", header.checksym); + 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[%u] 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.vmsize, + sh.vmaddr, + sh.size, + sh.offset, + 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 size vm addr size offset reloff lineoff nrel nlin 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; +} + |