Initial checkin of lldb code from internal Apple repo.
llvm-svn: 105619
diff --git a/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp b/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
new file mode 100644
index 0000000..b34dd3d
--- /dev/null
+++ b/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
@@ -0,0 +1,929 @@
+//===-- ObjectFileELF.cpp ---------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ObjectFileELF.h"
+
+#include <mach/machine.h>
+#include <assert.h>
+
+#include <algorithm>
+
+#include <stdint.h>
+#include "elf.h"
+#include "lldb/Core/DataBuffer.h"
+#include "lldb/Core/Error.h"
+#include "lldb/Core/PluginManager.h"
+#include "lldb/Core/Section.h"
+#include "lldb/Core/Stream.h"
+#include "lldb/Symbol/ObjectFile.h"
+
+#define CASE_AND_STREAM(s, def, width) case def: s->Printf("%-*s", width, #def); break;
+
+static uint32_t ELFMachineToMachCPU(Elf32_Half machine);
+
+using namespace lldb;
+using namespace lldb_private;
+using namespace std;
+
+
+#include <mach-o/nlist.h>
+#include <mach-o/stab.h>
+
+
+void
+ObjectFileELF::Initialize()
+{
+ PluginManager::RegisterPlugin (GetPluginNameStatic(),
+ GetPluginDescriptionStatic(),
+ CreateInstance);
+}
+
+void
+ObjectFileELF::Terminate()
+{
+ PluginManager::UnregisterPlugin (CreateInstance);
+}
+
+
+const char *
+ObjectFileELF::GetPluginNameStatic()
+{
+ return "object-file.elf32";
+}
+
+const char *
+ObjectFileELF::GetPluginDescriptionStatic()
+{
+ return "ELF object file reader (32-bit).";
+}
+
+
+ObjectFile *
+ObjectFileELF::CreateInstance (Module* module, DataBufferSP& dataSP, const FileSpec* file, addr_t offset, addr_t length)
+{
+ if (ObjectFileELF::MagicBytesMatch(dataSP))
+ {
+ std::auto_ptr<ObjectFile> objfile_ap(new ObjectFileELF (module, dataSP, file, offset, length));
+ if (objfile_ap.get() && objfile_ap->ParseHeader())
+ return objfile_ap.release();
+ }
+ return NULL;
+}
+
+bool
+ObjectFileELF::MagicBytesMatch (DataBufferSP& dataSP)
+{
+ DataExtractor data(dataSP, eByteOrderHost, 4);
+ const uint8_t* magic = data.PeekData(0, 4);
+ if (magic != NULL)
+ {
+ return magic[EI_MAG0] == 0x7f
+ && magic[EI_MAG1] == 'E'
+ && magic[EI_MAG2] == 'L'
+ && magic[EI_MAG3] == 'F';
+ }
+ return false;
+}
+
+
+ObjectFileELF::ObjectFileELF(Module* module, DataBufferSP& dataSP, const FileSpec* file, addr_t offset, addr_t length) :
+ ObjectFile (module, file, offset, length, dataSP),
+ m_header(),
+ m_program_headers(),
+ m_section_headers(),
+ m_sections_ap(),
+ m_symtab_ap(),
+ m_shstr_data()
+{
+ if (file)
+ m_file = *file;
+ ::bzero (&m_header, sizeof(m_header));
+}
+
+
+ObjectFileELF::~ObjectFileELF()
+{
+}
+
+ByteOrder
+ObjectFileELF::GetByteOrder () const
+{
+ if (m_header.e_ident[EI_DATA] == ELFDATA2MSB)
+ return eByteOrderBig;
+ if (m_header.e_ident[EI_DATA] == ELFDATA2LSB)
+ return eByteOrderLittle;
+ return eByteOrderInvalid;
+}
+
+size_t
+ObjectFileELF::GetAddressByteSize () const
+{
+ return m_data.GetAddressByteSize();
+}
+
+bool
+ObjectFileELF::ParseHeader ()
+{
+ m_data.SetAddressByteSize(4);
+ uint32_t offset = GetOffset();
+ if (m_data.GetU8(&offset, m_header.e_ident, EI_NIDENT) == NULL)
+ return false;
+
+ m_data.SetByteOrder(GetByteOrder());
+
+ // Read e_type and e_machine
+ if (m_data.GetU16(&offset, &m_header.e_type, 2) == NULL)
+ return false;
+
+ // read e_version, e_entry, e_phoff, e_shoff, e_flags
+ if (m_data.GetU32(&offset, &m_header.e_version, 5) == NULL)
+ return false;
+
+ // Read e_ehsize, e_phentsize, e_phnum, e_shentsize, e_shnum, e_shstrndx
+ if (m_data.GetU16(&offset, &m_header.e_ehsize, 6) == NULL)
+ return false;
+
+ return true;
+}
+
+bool
+ObjectFileELF::GetUUID (UUID* uuid)
+{
+ return false;
+}
+
+uint32_t
+ObjectFileELF::GetDependentModules(FileSpecList& files)
+{
+ return 0;
+}
+
+//----------------------------------------------------------------------
+// ParseProgramHeaders
+//----------------------------------------------------------------------
+size_t
+ObjectFileELF::ParseProgramHeaders()
+{
+ // We have already parsed the program headers
+ if (!m_program_headers.empty())
+ return m_program_headers.size();
+
+ uint32_t offset = 0;
+ if (m_header.e_phnum > 0)
+ {
+ m_program_headers.resize(m_header.e_phnum);
+
+ if (m_program_headers.size() != m_header.e_phnum)
+ return 0;
+
+ const size_t byte_size = m_header.e_phnum * m_header.e_phentsize;
+ DataBufferSP buffer_sp(m_file.ReadFileContents(m_offset + m_header.e_phoff, byte_size));
+
+ if (buffer_sp.get() == NULL || buffer_sp->GetByteSize() != byte_size)
+ return 0;
+
+ DataExtractor data(buffer_sp, m_data.GetByteOrder(), m_data.GetAddressByteSize());
+
+ uint32_t idx;
+ for (idx = 0; idx < m_header.e_phnum; ++idx)
+ {
+ if (data.GetU32(&offset, &m_program_headers[idx].p_type, 8) == NULL)
+ return 0;
+ }
+ if (idx < m_program_headers.size())
+ m_program_headers.resize(idx);
+ }
+
+ return m_program_headers.size();
+}
+
+
+//----------------------------------------------------------------------
+// ParseSectionHeaders
+//----------------------------------------------------------------------
+size_t
+ObjectFileELF::ParseSectionHeaders()
+{
+ // We have already parsed the section headers
+ if (!m_section_headers.empty())
+ return m_section_headers.size();
+
+ if (m_header.e_shnum > 0)
+ {
+ uint32_t offset = 0;
+
+ m_section_headers.resize(m_header.e_shnum);
+
+ if (m_section_headers.size() != m_header.e_shnum)
+ return 0;
+
+ const size_t byte_size = m_header.e_shnum * m_header.e_shentsize;
+ DataBufferSP buffer_sp(m_file.ReadFileContents(m_offset + m_header.e_shoff, byte_size));
+
+ if (buffer_sp.get() == NULL || buffer_sp->GetByteSize() != byte_size)
+ return 0;
+
+ DataExtractor data(buffer_sp, m_data.GetByteOrder(), m_data.GetAddressByteSize());
+
+ uint32_t idx;
+ for (idx = 0; idx < m_header.e_shnum; ++idx)
+ {
+ if (data.GetU32(&offset, &m_section_headers[idx].sh_name, 10) == NULL)
+ break;
+ }
+ if (idx < m_section_headers.size())
+ m_section_headers.resize(idx);
+ }
+
+ return m_section_headers.size();
+}
+
+size_t
+ObjectFileELF::GetSectionHeaderStringTable()
+{
+ if (m_shstr_data.GetByteSize() == 0)
+ {
+ if (m_header.e_shstrndx && m_header.e_shstrndx < m_section_headers.size())
+ {
+ const size_t byte_size = m_section_headers[m_header.e_shstrndx].sh_size;
+ DataBufferSP buffer_sp(m_file.ReadFileContents(m_offset + m_section_headers[m_header.e_shstrndx].sh_offset, byte_size));
+
+ if (buffer_sp.get() == NULL || buffer_sp->GetByteSize() != byte_size)
+ return 0;
+
+ m_shstr_data.SetData(buffer_sp);
+ }
+ }
+ return m_shstr_data.GetByteSize();
+}
+
+uint32_t
+ObjectFileELF::GetSectionIndexByName(const char *name)
+{
+ if (ParseSectionHeaders() && GetSectionHeaderStringTable())
+ {
+ uint32_t offset = 1; // Skip leading NULL string at offset 0;
+ while (m_shstr_data.ValidOffset(offset))
+ {
+ uint32_t sh_name = offset; // Save offset in case we find a match
+ const char* sectionHeaderName = m_shstr_data.GetCStr(&offset);
+ if (sectionHeaderName)
+ {
+ if (strcmp(name, sectionHeaderName) == 0)
+ {
+ SectionHeaderCollIter pos;
+ for (pos = m_section_headers.begin(); pos != m_section_headers.end(); ++pos)
+ {
+ if ( (*pos).sh_name == sh_name )
+ {
+ // section indexes are 1 based
+ return std::distance(m_section_headers.begin(), pos) + 1;
+ }
+ }
+ return UINT32_MAX;
+ }
+ }
+ else
+ {
+ return UINT32_MAX;
+ }
+ }
+ }
+
+ return UINT32_MAX;
+}
+
+SectionList *
+ObjectFileELF::GetSectionList()
+{
+ if (m_sections_ap.get() == NULL)
+ {
+ m_sections_ap.reset(new SectionList());
+ if (ParseSectionHeaders() && GetSectionHeaderStringTable())
+ {
+ uint32_t sh_idx = 0;
+ const size_t num_sections = m_section_headers.size();
+ for (sh_idx = 0; sh_idx < num_sections; ++sh_idx)
+ {
+ ConstString section_name(m_shstr_data.PeekCStr(m_section_headers[sh_idx].sh_name));
+ uint64_t section_file_size = m_section_headers[sh_idx].sh_type == SHT_NOBITS ? 0 : m_section_headers[sh_idx].sh_size;
+ SectionSP section_sp(new Section(NULL, // Parent section
+ GetModule(), // Module to which this section belongs
+ sh_idx + 1, // Section ID is the 1 based
+ section_name, // Name of this section
+ eSectionTypeOther, // TODO: fill this in appropriately for ELF...
+ m_section_headers[sh_idx].sh_addr, // File VM address
+ m_section_headers[sh_idx].sh_size, // VM size in bytes of this section
+ m_section_headers[sh_idx].sh_offset, // Offset to the data for this section in the file
+ section_file_size, // Size in bytes of this section as found in the the file
+ m_section_headers[sh_idx].sh_flags)); // Flags for this section
+ if (section_sp.get())
+ m_sections_ap->AddSection(section_sp);
+
+ }
+ }
+ }
+ return m_sections_ap.get();
+}
+
+static void
+ParseSymbols (Symtab *symtab, SectionList *section_list, const Elf32_Shdr &symtab_shdr, const DataExtractor& symtab_data, const DataExtractor& strtab_data)
+{
+ assert (sizeof(Elf32_Sym) == symtab_shdr.sh_entsize);
+ const uint32_t num_symbols = symtab_data.GetByteSize() / sizeof(Elf32_Sym);
+ uint32_t offset = 0;
+ Elf32_Sym symbol;
+ uint32_t i;
+ static ConstString text_section_name(".text");
+ static ConstString init_section_name(".init");
+ static ConstString fini_section_name(".fini");
+ static ConstString ctors_section_name(".ctors");
+ static ConstString dtors_section_name(".dtors");
+
+ static ConstString data_section_name(".data");
+ static ConstString rodata_section_name(".rodata");
+ static ConstString rodata1_section_name(".rodata1");
+ static ConstString data2_section_name(".data1");
+ static ConstString bss_section_name(".bss");
+
+ for (i=0; i<num_symbols; ++i)
+ {
+ // if (symtab_data.GetU32(&offset, &symbol.st_name, 3) == 0)
+ // break;
+
+ if (!symtab_data.ValidOffsetForDataOfSize(offset, sizeof(Elf32_Sym)))
+ break;
+
+ symbol.st_name = symtab_data.GetU32 (&offset);
+ symbol.st_value = symtab_data.GetU32 (&offset);
+ symbol.st_size = symtab_data.GetU32 (&offset);
+ symbol.st_info = symtab_data.GetU8 (&offset);
+ symbol.st_other = symtab_data.GetU8 (&offset);
+ symbol.st_shndx = symtab_data.GetU16 (&offset);
+
+ Section * symbol_section = NULL;
+ SymbolType symbol_type = eSymbolTypeInvalid;
+
+ switch (symbol.st_shndx)
+ {
+ case SHN_ABS:
+ symbol_type = eSymbolTypeAbsolute;
+ break;
+ case SHN_UNDEF:
+ symbol_type = eSymbolTypeUndefined;
+ break;
+ default:
+ symbol_section = section_list->GetSectionAtIndex (symbol.st_shndx).get();
+ break;
+ }
+
+ switch (ELF32_ST_BIND (symbol.st_info))
+ {
+ default:
+ case STT_NOTYPE:
+ // The symbol's type is not specified.
+ break;
+
+ case STT_OBJECT:
+ // The symbol is associated with a data object, such as a variable, an array, etc.
+ symbol_type == eSymbolTypeData;
+ break;
+
+ case STT_FUNC:
+ // The symbol is associated with a function or other executable code.
+ symbol_type == eSymbolTypeCode;
+ break;
+
+ case STT_SECTION:
+ // The symbol is associated with a section. Symbol table entries of
+ // this type exist primarily for relocation and normally have
+ // STB_LOCAL binding.
+ break;
+
+ case STT_FILE:
+ // Conventionally, the symbol's name gives the name of the source
+ // file associated with the object file. A file symbol has STB_LOCAL
+ // binding, its section index is SHN_ABS, and it precedes the other
+ // STB_LOCAL symbols for the file, if it is present.
+ symbol_type == eSymbolTypeObjectFile;
+ break;
+ }
+
+ if (symbol_type == eSymbolTypeInvalid)
+ {
+ if (symbol_section)
+ {
+ const ConstString §_name = symbol_section->GetName();
+ if (sect_name == text_section_name ||
+ sect_name == init_section_name ||
+ sect_name == fini_section_name ||
+ sect_name == ctors_section_name ||
+ sect_name == dtors_section_name)
+ {
+ symbol_type = eSymbolTypeCode;
+ }
+ else
+ if (sect_name == data_section_name ||
+ sect_name == data2_section_name ||
+ sect_name == rodata_section_name ||
+ sect_name == rodata1_section_name ||
+ sect_name == bss_section_name)
+ {
+ symbol_type = eSymbolTypeData;
+ }
+ }
+ }
+
+ uint64_t symbol_value = symbol.st_value;
+ if (symbol_section != NULL)
+ symbol_value -= symbol_section->GetFileAddress();
+ const char *symbol_name = strtab_data.PeekCStr(symbol.st_name);
+
+ Symbol dc_symbol(i, // ID is the original symbol table index
+ symbol_name, // symbol name
+ false, // Is the symbol name mangled?
+ symbol_type, // type of this symbol
+ ELF32_ST_BIND (symbol.st_info) == STB_GLOBAL, // Is this globally visible?
+ false, // Is this symbol debug info?
+ false, // Is this symbol a trampoline?
+ false, // Is this symbol artificial?
+ symbol_section, // section pointer if symbol_value is an offset within a section, else NULL
+ symbol_value, // offset from section if section is non-NULL, else the value for this symbol
+ symbol.st_size, // size in bytes of this symbol
+ symbol.st_other << 8 | symbol.st_info); // symbol flags
+ symtab->AddSymbol(dc_symbol);
+ }
+}
+
+
+Symtab *
+ObjectFileELF::GetSymtab()
+{
+ if (m_symtab_ap.get() == NULL)
+ {
+ m_symtab_ap.reset(new Symtab(this));
+
+ if (ParseSectionHeaders() && GetSectionHeaderStringTable())
+ {
+ uint32_t symtab_idx = UINT32_MAX;
+ uint32_t dynsym_idx = UINT32_MAX;
+ uint32_t sh_idx = 0;
+ const size_t num_sections = m_section_headers.size();
+ for (sh_idx = 0; sh_idx < num_sections; ++sh_idx)
+ {
+ if (m_section_headers[sh_idx].sh_type == SHT_SYMTAB)
+ {
+ symtab_idx = sh_idx;
+ break;
+ }
+ if (m_section_headers[sh_idx].sh_type == SHT_DYNSYM)
+ {
+ dynsym_idx = sh_idx;
+ }
+ }
+
+ SectionList *section_list = NULL;
+ static ConstString g_symtab(".symtab");
+ static ConstString g_strtab(".strtab");
+ static ConstString g_dynsym(".dynsym");
+ static ConstString g_dynstr(".dynstr");
+ // Check if we found a full symbol table?
+ if (symtab_idx < num_sections)
+ {
+ section_list = GetSectionList();
+ if (section_list)
+ {
+ Section *symtab_section = section_list->FindSectionByName(g_symtab).get();
+ Section *strtab_section = section_list->FindSectionByName(g_strtab).get();
+ if (symtab_section && strtab_section)
+ {
+ DataExtractor symtab_data;
+ DataExtractor strtab_data;
+ if (symtab_section->ReadSectionDataFromObjectFile (this, symtab_data) > 0 &&
+ strtab_section->ReadSectionDataFromObjectFile (this, strtab_data) > 0)
+ {
+ ParseSymbols (m_symtab_ap.get(), section_list, m_section_headers[symtab_idx], symtab_data, strtab_data);
+ }
+ }
+ }
+ }
+ // Check if we found a reduced symbol table that gets used for dynamic linking?
+ else if (dynsym_idx < num_sections)
+ {
+ section_list = GetSectionList();
+ if (section_list)
+ {
+ Section *dynsym_section = section_list->FindSectionByName(g_dynsym).get();
+ Section *dynstr_section = section_list->FindSectionByName(g_dynstr).get();
+ if (dynsym_section && dynstr_section)
+ {
+ DataExtractor dynsym_data;
+ DataExtractor dynstr_data;
+ if (dynsym_section->ReadSectionDataFromObjectFile (this, dynsym_data) > 0 &&
+ dynstr_section->ReadSectionDataFromObjectFile (this, dynstr_data) > 0)
+ {
+ ParseSymbols (m_symtab_ap.get(), section_list, m_section_headers[dynsym_idx], dynsym_data, dynstr_data);
+ }
+ }
+ }
+ }
+ }
+ }
+ return m_symtab_ap.get();
+}
+
+//
+////----------------------------------------------------------------------
+//// GetNListSymtab
+////----------------------------------------------------------------------
+//bool
+//ELF32RuntimeFileParser::GetNListSymtab(BinaryDataRef& stabs_data, BinaryDataRef& stabstr_data, bool locals_only, uint32_t& value_size)
+//{
+// value_size = 4; // Size in bytes of the nlist n_value member
+// return GetSectionInfo(GetSectionIndexByName(".stab"), NULL, NULL, NULL, NULL, NULL, NULL, &stabs_data, NULL) &&
+// GetSectionInfo(GetSectionIndexByName(".stabstr"), NULL, NULL, NULL, NULL, NULL, NULL, &stabstr_data, NULL);
+//}
+//
+//===----------------------------------------------------------------------===//
+// Dump
+//
+// Dump the specifics of the runtime file container (such as any headers
+// segments, sections, etc).
+//----------------------------------------------------------------------
+void
+ObjectFileELF::Dump(Stream *s)
+{
+ DumpELFHeader(s, m_header);
+ s->EOL();
+ DumpELFProgramHeaders(s);
+ s->EOL();
+ DumpELFSectionHeaders(s);
+ s->EOL();
+ SectionList *section_list = GetSectionList();
+ if (section_list)
+ section_list->Dump(s, NULL, true);
+ Symtab *symtab = GetSymtab();
+ if (symtab)
+ symtab->Dump(s, NULL);
+ s->EOL();
+}
+
+//----------------------------------------------------------------------
+// DumpELFHeader
+//
+// Dump the ELF header to the specified output stream
+//----------------------------------------------------------------------
+void
+ObjectFileELF::DumpELFHeader(Stream *s, const Elf32_Ehdr& header)
+{
+
+ s->PutCString ("ELF Header\n");
+ s->Printf ("e_ident[EI_MAG0 ] = 0x%2.2x\n", header.e_ident[EI_MAG0]);
+ s->Printf ("e_ident[EI_MAG1 ] = 0x%2.2x '%c'\n", header.e_ident[EI_MAG1], header.e_ident[EI_MAG1]);
+ s->Printf ("e_ident[EI_MAG2 ] = 0x%2.2x '%c'\n", header.e_ident[EI_MAG2], header.e_ident[EI_MAG2]);
+ s->Printf ("e_ident[EI_MAG3 ] = 0x%2.2x '%c'\n", header.e_ident[EI_MAG3], header.e_ident[EI_MAG3]);
+ s->Printf ("e_ident[EI_CLASS ] = 0x%2.2x\n", header.e_ident[EI_CLASS]);
+ s->Printf ("e_ident[EI_DATA ] = 0x%2.2x ", header.e_ident[EI_DATA]);
+ DumpELFHeader_e_ident_EI_DATA(s, header.e_ident[EI_DATA]);
+ s->Printf ("\ne_ident[EI_VERSION] = 0x%2.2x\n", header.e_ident[EI_VERSION]);
+ s->Printf ("e_ident[EI_PAD ] = 0x%2.2x\n", header.e_ident[EI_PAD]);
+
+ s->Printf("e_type = 0x%4.4x ", header.e_type);
+ DumpELFHeader_e_type(s, header.e_type);
+ s->Printf("\ne_machine = 0x%4.4x\n", header.e_machine);
+ s->Printf("e_version = 0x%8.8x\n", header.e_version);
+ s->Printf("e_entry = 0x%8.8x\n", header.e_entry);
+ s->Printf("e_phoff = 0x%8.8x\n", header.e_phoff);
+ s->Printf("e_shoff = 0x%8.8x\n", header.e_shoff);
+ s->Printf("e_flags = 0x%8.8x\n", header.e_flags);
+ s->Printf("e_ehsize = 0x%4.4x\n", header.e_ehsize);
+ s->Printf("e_phentsize = 0x%4.4x\n", header.e_phentsize);
+ s->Printf("e_phnum = 0x%4.4x\n", header.e_phnum);
+ s->Printf("e_shentsize = 0x%4.4x\n", header.e_shentsize);
+ s->Printf("e_shnum = 0x%4.4x\n", header.e_shnum);
+ s->Printf("e_shstrndx = 0x%4.4x\n", header.e_shstrndx);
+}
+
+//----------------------------------------------------------------------
+// DumpELFHeader_e_type
+//
+// Dump an token value for the ELF header member e_type
+//----------------------------------------------------------------------
+void
+ObjectFileELF::DumpELFHeader_e_type(Stream *s, uint16_t e_type)
+{
+ switch (e_type)
+ {
+ case ET_NONE: *s << "ET_NONE"; break;
+ case ET_REL: *s << "ET_REL"; break;
+ case ET_EXEC: *s << "ET_EXEC"; break;
+ case ET_DYN: *s << "ET_DYN"; break;
+ case ET_CORE: *s << "ET_CORE"; break;
+ default:
+ break;
+ }
+}
+
+//----------------------------------------------------------------------
+// DumpELFHeader_e_ident_EI_DATA
+//
+// Dump an token value for the ELF header member e_ident[EI_DATA]
+//----------------------------------------------------------------------
+void
+ObjectFileELF::DumpELFHeader_e_ident_EI_DATA(Stream *s, uint16_t ei_data)
+{
+ switch (ei_data)
+ {
+ case ELFDATANONE: *s << "ELFDATANONE"; break;
+ case ELFDATA2LSB: *s << "ELFDATA2LSB - Little Endian"; break;
+ case ELFDATA2MSB: *s << "ELFDATA2MSB - Big Endian"; break;
+ default:
+ break;
+ }
+}
+
+
+//----------------------------------------------------------------------
+// DumpELFProgramHeader
+//
+// Dump a single ELF program header to the specified output stream
+//----------------------------------------------------------------------
+void
+ObjectFileELF::DumpELFProgramHeader(Stream *s, const Elf32_Phdr& ph)
+{
+ DumpELFProgramHeader_p_type(s, ph.p_type);
+ s->Printf(" %8.8x %8.8x %8.8x %8.8x %8.8x %8.8x (", ph.p_offset, ph.p_vaddr, ph.p_paddr, ph.p_filesz, ph.p_memsz, ph.p_flags);
+ DumpELFProgramHeader_p_flags(s, ph.p_flags);
+ s->Printf(") %8.8x", ph.p_align);
+}
+
+//----------------------------------------------------------------------
+// DumpELFProgramHeader_p_type
+//
+// Dump an token value for the ELF program header member p_type which
+// describes the type of the program header
+//----------------------------------------------------------------------
+void
+ObjectFileELF::DumpELFProgramHeader_p_type(Stream *s, Elf32_Word p_type)
+{
+ const int kStrWidth = 10;
+ switch (p_type)
+ {
+ CASE_AND_STREAM(s, PT_NULL , kStrWidth);
+ CASE_AND_STREAM(s, PT_LOAD , kStrWidth);
+ CASE_AND_STREAM(s, PT_DYNAMIC , kStrWidth);
+ CASE_AND_STREAM(s, PT_INTERP , kStrWidth);
+ CASE_AND_STREAM(s, PT_NOTE , kStrWidth);
+ CASE_AND_STREAM(s, PT_SHLIB , kStrWidth);
+ CASE_AND_STREAM(s, PT_PHDR , kStrWidth);
+ default:
+ s->Printf("0x%8.8x%*s", p_type, kStrWidth - 10, "");
+ break;
+ }
+}
+
+
+//----------------------------------------------------------------------
+// DumpELFProgramHeader_p_flags
+//
+// Dump an token value for the ELF program header member p_flags
+//----------------------------------------------------------------------
+void
+ObjectFileELF::DumpELFProgramHeader_p_flags(Stream *s, Elf32_Word p_flags)
+{
+ *s << ((p_flags & PF_X) ? "PF_X" : " ")
+ << (((p_flags & PF_X) && (p_flags & PF_W)) ? '+' : ' ')
+ << ((p_flags & PF_W) ? "PF_W" : " ")
+ << (((p_flags & PF_W) && (p_flags & PF_R)) ? '+' : ' ')
+ << ((p_flags & PF_R) ? "PF_R" : " ");
+}
+
+//----------------------------------------------------------------------
+// DumpELFProgramHeaders
+//
+// Dump all of the ELF program header to the specified output stream
+//----------------------------------------------------------------------
+void
+ObjectFileELF::DumpELFProgramHeaders(Stream *s)
+{
+ if (ParseProgramHeaders())
+ {
+ s->PutCString("Program Headers\n");
+ s->PutCString("IDX p_type p_offset p_vaddr p_paddr p_filesz p_memsz p_flags p_align\n");
+ s->PutCString("==== ---------- -------- -------- -------- -------- -------- ------------------------- --------\n");
+
+ uint32_t idx = 0;
+ ProgramHeaderCollConstIter pos;
+
+ for (pos = m_program_headers.begin(); pos != m_program_headers.end(); ++pos, ++idx)
+ {
+ s->Printf ("[%2u] ", idx);
+ ObjectFileELF::DumpELFProgramHeader(s, *pos);
+ s->EOL();
+ }
+ }
+}
+
+
+//----------------------------------------------------------------------
+// DumpELFSectionHeader
+//
+// Dump a single ELF section header to the specified output stream
+//----------------------------------------------------------------------
+void
+ObjectFileELF::DumpELFSectionHeader(Stream *s, const Elf32_Shdr& sh)
+{
+ s->Printf ("%8.8x ", sh.sh_name);
+ DumpELFSectionHeader_sh_type(s, sh.sh_type);
+ s->Printf (" %8.8x (", sh.sh_flags);
+ DumpELFSectionHeader_sh_flags(s, sh.sh_flags);
+ s->Printf (") %8.8x %8.8x %8.8x %8.8x %8.8x %8.8x %8.8x",
+ sh.sh_addr, sh.sh_offset, sh.sh_size, sh.sh_link, sh.sh_info, sh.sh_addralign, sh.sh_entsize);
+}
+
+//----------------------------------------------------------------------
+// DumpELFSectionHeader_sh_type
+//
+// Dump an token value for the ELF section header member sh_type which
+// describes the type of the section
+//----------------------------------------------------------------------
+void
+ObjectFileELF::DumpELFSectionHeader_sh_type(Stream *s, Elf32_Word sh_type)
+{
+ const int kStrWidth = 12;
+ switch (sh_type)
+ {
+ CASE_AND_STREAM(s, SHT_NULL , kStrWidth);
+ CASE_AND_STREAM(s, SHT_PROGBITS , kStrWidth);
+ CASE_AND_STREAM(s, SHT_SYMTAB , kStrWidth);
+ CASE_AND_STREAM(s, SHT_STRTAB , kStrWidth);
+ CASE_AND_STREAM(s, SHT_RELA , kStrWidth);
+ CASE_AND_STREAM(s, SHT_HASH , kStrWidth);
+ CASE_AND_STREAM(s, SHT_DYNAMIC , kStrWidth);
+ CASE_AND_STREAM(s, SHT_NOTE , kStrWidth);
+ CASE_AND_STREAM(s, SHT_NOBITS , kStrWidth);
+ CASE_AND_STREAM(s, SHT_REL , kStrWidth);
+ CASE_AND_STREAM(s, SHT_SHLIB , kStrWidth);
+ CASE_AND_STREAM(s, SHT_DYNSYM , kStrWidth);
+ CASE_AND_STREAM(s, SHT_LOPROC , kStrWidth);
+ CASE_AND_STREAM(s, SHT_HIPROC , kStrWidth);
+ CASE_AND_STREAM(s, SHT_LOUSER , kStrWidth);
+ CASE_AND_STREAM(s, SHT_HIUSER , kStrWidth);
+ default:
+ s->Printf("0x%8.8x%*s", sh_type, kStrWidth - 10, "");
+ break;
+ }
+}
+
+
+//----------------------------------------------------------------------
+// DumpELFSectionHeader_sh_flags
+//
+// Dump an token value for the ELF section header member sh_flags
+//----------------------------------------------------------------------
+void
+ObjectFileELF::DumpELFSectionHeader_sh_flags(Stream *s, Elf32_Word sh_flags)
+{
+ *s << ((sh_flags & SHF_WRITE) ? "WRITE" : " ")
+ << (((sh_flags & SHF_WRITE) && (sh_flags & SHF_ALLOC)) ? '+' : ' ')
+ << ((sh_flags & SHF_ALLOC) ? "ALLOC" : " ")
+ << (((sh_flags & SHF_ALLOC) && (sh_flags & SHF_EXECINSTR)) ? '+' : ' ')
+ << ((sh_flags & SHF_EXECINSTR) ? "EXECINSTR" : " ");
+}
+//----------------------------------------------------------------------
+// DumpELFSectionHeaders
+//
+// Dump all of the ELF section header to the specified output stream
+//----------------------------------------------------------------------
+void
+ObjectFileELF::DumpELFSectionHeaders(Stream *s)
+{
+ if (ParseSectionHeaders() && GetSectionHeaderStringTable())
+ {
+ s->PutCString("Section Headers\n");
+ s->PutCString("IDX name type flags addr offset size link info addralgn entsize Name\n");
+ s->PutCString("==== -------- ------------ -------------------------------- -------- -------- -------- -------- -------- -------- -------- ====================\n");
+
+ uint32_t idx = 0;
+ SectionHeaderCollConstIter pos;
+
+ for (pos = m_section_headers.begin(); pos != m_section_headers.end(); ++pos, ++idx)
+ {
+ s->Printf ("[%2u] ", idx);
+ ObjectFileELF::DumpELFSectionHeader(s, *pos);
+ const char* section_name = m_shstr_data.PeekCStr(pos->sh_name);
+ if (section_name)
+ *s << ' ' << section_name << "\n";
+ }
+ }
+}
+
+static uint32_t
+ELFMachineToMachCPU(Elf32_Half machine)
+{
+ switch (machine)
+ {
+ case EM_SPARC: return CPU_TYPE_SPARC;
+ case EM_386: return CPU_TYPE_I386;
+ case EM_68K: return CPU_TYPE_MC680x0;
+ case EM_88K: return CPU_TYPE_MC88000;
+ case EM_860: return CPU_TYPE_I860;
+ case EM_MIPS: return 8; // commented out in mach/machine.h
+ case EM_PPC: return CPU_TYPE_POWERPC;
+ case EM_PPC64: return CPU_TYPE_POWERPC64;
+ case EM_ARM: return 12; // commented out in mach/machine.h
+ }
+ return 0;
+}
+
+bool
+ObjectFileELF::GetTargetTriple (ConstString &target_triple)
+{
+ static ConstString g_target_triple;
+
+ if (g_target_triple)
+ {
+ target_triple = g_target_triple;
+ }
+ else
+ {
+ std::string triple;
+ switch (m_header.e_machine)
+ {
+ case EM_SPARC: triple.assign("sparc-"); break;
+ case EM_386: triple.assign("i386-"); break;
+ case EM_68K: triple.assign("68k-"); break;
+ case EM_88K: triple.assign("88k-"); break;
+ case EM_860: triple.assign("i860-"); break;
+ case EM_MIPS: triple.assign("mips-"); break;
+ case EM_PPC: triple.assign("powerpc-"); break;
+ case EM_PPC64: triple.assign("powerpc64-"); break;
+ case EM_ARM: triple.assign("arm-"); break;
+ }
+ // TODO: determine if there is a vendor in the ELF? Default to "apple" for now
+ triple += "apple-";
+ // TODO: determine if there is an OS in the ELF? Default to "darwin" for now
+ triple += "darwin10";
+ g_target_triple.SetCString(triple.c_str());
+ target_triple = g_target_triple;
+ }
+ return !target_triple.IsEmpty();
+}
+
+
+//bool
+//ELF32RuntimeFileParser::GetArch(ArchSpec &arch) const
+//{
+// arch.SetCPUType(ELFMachineToMachCPU(m_header.e_machine));
+// arch.SetCPUSubtype(ArchSpec::eAny);
+// return true;
+//}
+
+//------------------------------------------------------------------
+// PluginInterface protocol
+//------------------------------------------------------------------
+const char *
+ObjectFileELF::GetPluginName()
+{
+ return "ObjectFileELF";
+}
+
+const char *
+ObjectFileELF::GetShortPluginName()
+{
+ return GetPluginNameStatic();
+}
+
+uint32_t
+ObjectFileELF::GetPluginVersion()
+{
+ return 1;
+}
+
+void
+ObjectFileELF::GetPluginCommandHelp (const char *command, Stream *strm)
+{
+}
+
+Error
+ObjectFileELF::ExecutePluginCommand (Args &command, Stream *strm)
+{
+ Error error;
+ error.SetErrorString("No plug-in command are currently supported.");
+ return error;
+}
+
+Log *
+ObjectFileELF::EnablePluginLogging (Stream *strm, Args &command)
+{
+ return NULL;
+}
+
+
+