c35b91cee2
This fixes the regression of several tests on Windows after rL258621. The root problem is that ObjectFilePECOFF was not setting type information for the symbols, and the new CL rejects symbols without type information, breaking functionality like thread step-over. The fix sets the type information for functions (and creates a TODO for other types). Along the way, I fixed some typos and formatting that made the code I was debugging harder to understand. In the long run, we should consider replacing most of ObjectFilePECOFF with the COFF parsing code from LLVM. Differential Revision: http://reviews.llvm.org/D16563 llvm-svn: 258758
307 lines
9.3 KiB
C++
307 lines
9.3 KiB
C++
//===-- ObjectFilePECOFF.h --------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef liblldb_ObjectFilePECOFF_h_
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#define liblldb_ObjectFilePECOFF_h_
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// C Includes
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// C++ Includes
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#include <vector>
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// Other libraries and framework includes
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// Project includes
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#include "lldb/Symbol/ObjectFile.h"
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class ObjectFilePECOFF :
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public lldb_private::ObjectFile
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{
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public:
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typedef enum MachineType
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{
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MachineUnknown = 0x0,
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MachineAm33 = 0x1d3,
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MachineAmd64 = 0x8664,
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MachineArm = 0x1c0,
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MachineArmNt = 0x1c4,
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MachineArm64 = 0xaa64,
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MachineEbc = 0xebc,
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MachineX86 = 0x14c,
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MachineIA64 = 0x200,
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MachineM32R = 0x9041,
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MachineMips16 = 0x266,
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MachineMipsFpu = 0x366,
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MachineMipsFpu16 = 0x466,
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MachinePowerPc = 0x1f0,
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MachinePowerPcfp = 0x1f1,
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MachineR4000 = 0x166,
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MachineSh3 = 0x1a2,
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MachineSh3dsp = 0x1a3,
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MachineSh4 = 0x1a6,
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MachineSh5 = 0x1a8,
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MachineThumb = 0x1c2,
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MachineWcemIpsv2 = 0x169
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} MachineType;
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ObjectFilePECOFF(const lldb::ModuleSP &module_sp,
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lldb::DataBufferSP& data_sp,
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lldb::offset_t data_offset,
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const lldb_private::FileSpec* file,
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lldb::offset_t file_offset,
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lldb::offset_t length);
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~ObjectFilePECOFF() override;
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//------------------------------------------------------------------
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// Static Functions
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//------------------------------------------------------------------
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static void
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Initialize();
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static void
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Terminate();
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static lldb_private::ConstString
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GetPluginNameStatic();
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static const char *
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GetPluginDescriptionStatic();
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static ObjectFile *
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CreateInstance (const lldb::ModuleSP &module_sp,
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lldb::DataBufferSP& data_sp,
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lldb::offset_t data_offset,
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const lldb_private::FileSpec* file,
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lldb::offset_t offset,
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lldb::offset_t length);
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static lldb_private::ObjectFile *
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CreateMemoryInstance (const lldb::ModuleSP &module_sp,
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lldb::DataBufferSP& data_sp,
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const lldb::ProcessSP &process_sp,
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lldb::addr_t header_addr);
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static size_t
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GetModuleSpecifications (const lldb_private::FileSpec& file,
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lldb::DataBufferSP& data_sp,
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lldb::offset_t data_offset,
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lldb::offset_t file_offset,
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lldb::offset_t length,
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lldb_private::ModuleSpecList &specs);
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static bool
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SaveCore (const lldb::ProcessSP &process_sp,
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const lldb_private::FileSpec &outfile,
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lldb_private::Error &error);
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static bool
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MagicBytesMatch (lldb::DataBufferSP& data_sp);
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static lldb::SymbolType
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MapSymbolType(uint16_t coff_symbol_type);
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bool
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ParseHeader() override;
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bool
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SetLoadAddress(lldb_private::Target &target, lldb::addr_t value, bool value_is_offset) override;
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lldb::ByteOrder
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GetByteOrder() const override;
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bool
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IsExecutable() const override;
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uint32_t
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GetAddressByteSize() const override;
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// virtual lldb_private::AddressClass
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// GetAddressClass (lldb::addr_t file_addr);
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lldb_private::Symtab *
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GetSymtab() override;
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bool
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IsStripped() override;
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void
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CreateSections(lldb_private::SectionList &unified_section_list) override;
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void
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Dump(lldb_private::Stream *s) override;
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bool
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GetArchitecture(lldb_private::ArchSpec &arch) override;
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bool
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GetUUID(lldb_private::UUID* uuid) override;
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uint32_t
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GetDependentModules(lldb_private::FileSpecList& files) override;
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// virtual lldb_private::Address
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// GetEntryPointAddress ();
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ObjectFile::Type
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CalculateType() override;
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ObjectFile::Strata
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CalculateStrata() override;
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//------------------------------------------------------------------
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// PluginInterface protocol
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//------------------------------------------------------------------
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lldb_private::ConstString
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GetPluginName() override;
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uint32_t
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GetPluginVersion() override;
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protected:
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bool NeedsEndianSwap() const;
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typedef struct dos_header { // DOS .EXE header
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uint16_t e_magic; // Magic number
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uint16_t e_cblp; // Bytes on last page of file
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uint16_t e_cp; // Pages in file
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uint16_t e_crlc; // Relocations
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uint16_t e_cparhdr; // Size of header in paragraphs
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uint16_t e_minalloc; // Minimum extra paragraphs needed
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uint16_t e_maxalloc; // Maximum extra paragraphs needed
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uint16_t e_ss; // Initial (relative) SS value
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uint16_t e_sp; // Initial SP value
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uint16_t e_csum; // Checksum
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uint16_t e_ip; // Initial IP value
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uint16_t e_cs; // Initial (relative) CS value
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uint16_t e_lfarlc; // File address of relocation table
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uint16_t e_ovno; // Overlay number
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uint16_t e_res[4]; // Reserved words
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uint16_t e_oemid; // OEM identifier (for e_oeminfo)
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uint16_t e_oeminfo; // OEM information; e_oemid specific
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uint16_t e_res2[10]; // Reserved words
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uint32_t e_lfanew; // File address of new exe header
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} dos_header_t;
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typedef struct coff_header {
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uint16_t machine;
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uint16_t nsects;
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uint32_t modtime;
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uint32_t symoff;
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uint32_t nsyms;
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uint16_t hdrsize;
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uint16_t flags;
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} coff_header_t;
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typedef struct data_directory {
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uint32_t vmaddr;
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uint32_t vmsize;
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} data_directory_t;
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typedef struct coff_opt_header
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{
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uint16_t magic;
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uint8_t major_linker_version;
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uint8_t minor_linker_version;
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uint32_t code_size;
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uint32_t data_size;
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uint32_t bss_size;
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uint32_t entry;
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uint32_t code_offset;
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uint32_t data_offset;
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uint64_t image_base;
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uint32_t sect_alignment;
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uint32_t file_alignment;
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uint16_t major_os_system_version;
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uint16_t minor_os_system_version;
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uint16_t major_image_version;
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uint16_t minor_image_version;
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uint16_t major_subsystem_version;
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uint16_t minor_subsystem_version;
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uint32_t reserved1;
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uint32_t image_size;
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uint32_t header_size;
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uint32_t checksum;
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uint16_t subsystem;
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uint16_t dll_flags;
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uint64_t stack_reserve_size;
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uint64_t stack_commit_size;
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uint64_t heap_reserve_size;
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uint64_t heap_commit_size;
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uint32_t loader_flags;
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// uint32_t num_data_dir_entries;
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std::vector<data_directory> data_dirs; // will contain num_data_dir_entries entries
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} coff_opt_header_t;
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typedef enum coff_data_dir_type
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{
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coff_data_dir_export_table = 0,
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coff_data_dir_import_table = 1,
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} coff_data_dir_type;
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typedef struct section_header {
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char name[8];
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uint32_t vmsize; // Virtual Size
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uint32_t vmaddr; // Virtual Addr
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uint32_t size; // File size
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uint32_t offset; // File offset
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uint32_t reloff; // Offset to relocations
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uint32_t lineoff;// Offset to line table entries
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uint16_t nreloc; // Number of relocation entries
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uint16_t nline; // Number of line table entries
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uint32_t flags;
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} section_header_t;
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typedef struct coff_symbol {
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char name[8];
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uint32_t value;
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uint16_t sect;
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uint16_t type;
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uint8_t storage;
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uint8_t naux;
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} coff_symbol_t;
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typedef struct export_directory_entry {
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uint32_t characteristics;
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uint32_t time_date_stamp;
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uint16_t major_version;
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uint16_t minor_version;
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uint32_t name;
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uint32_t base;
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uint32_t number_of_functions;
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uint32_t number_of_names;
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uint32_t address_of_functions;
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uint32_t address_of_names;
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uint32_t address_of_name_ordinals;
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} export_directory_entry;
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static bool ParseDOSHeader (lldb_private::DataExtractor &data, dos_header_t &dos_header);
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static bool ParseCOFFHeader (lldb_private::DataExtractor &data, lldb::offset_t *offset_ptr, coff_header_t &coff_header);
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bool ParseCOFFOptionalHeader (lldb::offset_t *offset_ptr);
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bool ParseSectionHeaders (uint32_t offset);
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static void DumpDOSHeader(lldb_private::Stream *s, const dos_header_t& header);
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static void DumpCOFFHeader(lldb_private::Stream *s, const coff_header_t& header);
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static void DumpOptCOFFHeader(lldb_private::Stream *s, const coff_opt_header_t& header);
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void DumpSectionHeaders(lldb_private::Stream *s);
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void DumpSectionHeader(lldb_private::Stream *s, const section_header_t& sh);
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bool GetSectionName(std::string& sect_name, const section_header_t& sect);
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typedef std::vector<section_header_t> SectionHeaderColl;
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typedef SectionHeaderColl::iterator SectionHeaderCollIter;
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typedef SectionHeaderColl::const_iterator SectionHeaderCollConstIter;
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private:
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dos_header_t m_dos_header;
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coff_header_t m_coff_header;
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coff_opt_header_t m_coff_header_opt;
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SectionHeaderColl m_sect_headers;
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lldb::addr_t m_image_base;
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};
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#endif // liblldb_ObjectFilePECOFF_h_
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