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
diff --git a/lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.h b/lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.h
new file mode 100644
index 0000000..b1e9e0e
--- /dev/null
+++ b/lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.h
@@ -0,0 +1,235 @@
+//===-- ObjectFilePECOFF.h --------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef liblldb_ObjectFilePECOFF_h_
+#define liblldb_ObjectFilePECOFF_h_
+
+#include <vector>
+
+#include "lldb/Host/Mutex.h"
+#include "lldb/Symbol/ObjectFile.h"
+
+class ObjectFilePECOFF :
+ public lldb_private::ObjectFile
+{
+public:
+
+ //------------------------------------------------------------------
+ // Static Functions
+ //------------------------------------------------------------------
+ static void
+ Initialize();
+
+ static void
+ Terminate();
+
+ static const char *
+ GetPluginNameStatic();
+
+ static const char *
+ GetPluginDescriptionStatic();
+
+ static ObjectFile *
+ CreateInstance (lldb_private::Module* module,
+ lldb::DataBufferSP& dataSP,
+ const lldb_private::FileSpec* file,
+ lldb::addr_t offset,
+ lldb::addr_t length);
+
+ static bool
+ MagicBytesMatch (lldb::DataBufferSP& dataSP);
+
+
+ ObjectFilePECOFF (lldb_private::Module* module,
+ lldb::DataBufferSP& dataSP,
+ const lldb_private::FileSpec* file,
+ lldb::addr_t offset,
+ lldb::addr_t length);
+
+ virtual
+ ~ObjectFilePECOFF();
+
+ virtual bool
+ ParseHeader ();
+
+ virtual lldb::ByteOrder
+ GetByteOrder () const;
+
+ virtual bool
+ IsExecutable () const;
+
+ virtual size_t
+ GetAddressByteSize () const;
+
+// virtual lldb_private::AddressClass
+// GetAddressClass (lldb::addr_t file_addr);
+//
+ virtual lldb_private::Symtab *
+ GetSymtab();
+
+ virtual lldb_private::SectionList *
+ GetSectionList();
+
+ virtual void
+ Dump (lldb_private::Stream *s);
+
+ virtual bool
+ GetArchitecture (lldb_private::ArchSpec &arch);
+
+ virtual bool
+ GetUUID (lldb_private::UUID* uuid);
+
+ virtual uint32_t
+ GetDependentModules (lldb_private::FileSpecList& files);
+
+ //------------------------------------------------------------------
+ // PluginInterface protocol
+ //------------------------------------------------------------------
+ virtual const char *
+ GetPluginName();
+
+ virtual const char *
+ GetShortPluginName();
+
+ virtual uint32_t
+ GetPluginVersion();
+//
+// virtual lldb_private::Address
+// GetEntryPointAddress ();
+
+ virtual ObjectFile::Type
+ CalculateType();
+
+ virtual ObjectFile::Strata
+ CalculateStrata();
+
+protected:
+ bool NeedsEndianSwap() const;
+
+ typedef struct dos_header { // DOS .EXE header
+ uint16_t e_magic; // Magic number
+ uint16_t e_cblp; // Bytes on last page of file
+ uint16_t e_cp; // Pages in file
+ uint16_t e_crlc; // Relocations
+ uint16_t e_cparhdr; // Size of header in paragraphs
+ uint16_t e_minalloc; // Minimum extra paragraphs needed
+ uint16_t e_maxalloc; // Maximum extra paragraphs needed
+ uint16_t e_ss; // Initial (relative) SS value
+ uint16_t e_sp; // Initial SP value
+ uint16_t e_csum; // Checksum
+ uint16_t e_ip; // Initial IP value
+ uint16_t e_cs; // Initial (relative) CS value
+ uint16_t e_lfarlc; // File address of relocation table
+ uint16_t e_ovno; // Overlay number
+ uint16_t e_res[4]; // Reserved words
+ uint16_t e_oemid; // OEM identifier (for e_oeminfo)
+ uint16_t e_oeminfo; // OEM information; e_oemid specific
+ uint16_t e_res2[10]; // Reserved words
+ uint32_t e_lfanew; // File address of new exe header
+ } dos_header_t;
+
+ typedef struct coff_header {
+ uint16_t machine;
+ uint16_t nsects;
+ uint32_t modtime;
+ uint32_t symoff;
+ uint32_t nsyms;
+ uint16_t hdrsize;
+ uint16_t flags;
+ } coff_header_t;
+
+ typedef struct data_directory {
+ uint32_t vmaddr;
+ uint32_t vmsize;
+ } data_directory_t;
+
+ typedef struct coff_opt_header
+ {
+ uint16_t magic;
+ uint8_t major_linker_version;
+ uint8_t minor_linker_version;
+ uint32_t code_size;
+ uint32_t data_size;
+ uint32_t bss_size;
+ uint32_t entry;
+ uint32_t code_offset;
+ uint32_t data_offset;
+
+ uint64_t image_base;
+ uint32_t sect_alignment;
+ uint32_t file_alignment;
+ uint16_t major_os_system_version;
+ uint16_t minor_os_system_version;
+ uint16_t major_image_version;
+ uint16_t minor_image_version;
+ uint16_t major_subsystem_version;
+ uint16_t minor_subsystem_version;
+ uint32_t reserved1;
+ uint32_t image_size;
+ uint32_t header_size;
+ uint32_t checksym;
+ uint16_t subsystem;
+ uint16_t dll_flags;
+ uint64_t stack_reserve_size;
+ uint64_t stack_commit_size;
+ uint64_t heap_reserve_size;
+ uint64_t heap_commit_size;
+ uint32_t loader_flags;
+ // uint32_t num_data_dir_entries;
+ std::vector<data_directory> data_dirs; // will contain num_data_dir_entries entries
+ } coff_opt_header_t;
+
+ typedef struct section_header {
+ char name[8];
+ uint32_t vmsize; // Virtual Size
+ uint32_t vmaddr; // Virtual Addr
+ uint32_t size; // File size
+ uint32_t offset; // File offset
+ uint32_t reloff; // Offset to relocations
+ uint32_t lineoff;// Offset to line table entries
+ uint16_t nreloc; // Number of relocation entries
+ uint16_t nline; // Number of line table entries
+ uint32_t flags;
+ } section_header_t;
+
+ typedef struct coff_symbol {
+ char name[8];
+ uint32_t value;
+ uint16_t sect;
+ uint16_t type;
+ uint8_t storage;
+ uint8_t naux;
+ } coff_symbol_t;
+
+ bool ParseDOSHeader ();
+ bool ParseCOFFHeader (uint32_t* offset_ptr);
+ bool ParseCOFFOptionalHeader (uint32_t* offset_ptr);
+ bool ParseSectionHeaders (uint32_t offset);
+
+ static void DumpDOSHeader(lldb_private::Stream *s, const dos_header_t& header);
+ static void DumpCOFFHeader(lldb_private::Stream *s, const coff_header_t& header);
+ static void DumpOptCOFFHeader(lldb_private::Stream *s, const coff_opt_header_t& header);
+ void DumpSectionHeaders(lldb_private::Stream *s);
+ void DumpSectionHeader(lldb_private::Stream *s, const section_header_t& sh);
+ bool GetSectionName(std::string& sect_name, const section_header_t& sect);
+
+ typedef std::vector<section_header_t> SectionHeaderColl;
+ typedef SectionHeaderColl::iterator SectionHeaderCollIter;
+ typedef SectionHeaderColl::const_iterator SectionHeaderCollConstIter;
+private:
+ mutable lldb_private::Mutex m_mutex;
+ mutable std::auto_ptr<lldb_private::SectionList> m_sections_ap;
+ mutable std::auto_ptr<lldb_private::Symtab> m_symtab_ap;
+ dos_header_t m_dos_header;
+ coff_header_t m_coff_header;
+ coff_opt_header_t m_coff_header_opt;
+ SectionHeaderColl m_sect_headers;
+};
+
+#endif // #ifndef liblldb_ObjectFilePECOFF_h_