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Support/COFF: Add structs and enums from the standard for image files.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144756 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -24,6 +24,7 @@
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#define LLVM_SUPPORT_WIN_COFF_H
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#include "llvm/Support/DataTypes.h"
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#include <cassert>
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#include <cstring>
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namespace llvm {
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@ -49,8 +50,65 @@ namespace COFF {
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};
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enum MachineTypes {
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IMAGE_FILE_MACHINE_I386 = 0x14C,
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IMAGE_FILE_MACHINE_AMD64 = 0x8664
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IMAGE_FILE_MACHINE_UNKNOWN = 0x0,
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IMAGE_FILE_MACHINE_AM33 = 0x13,
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IMAGE_FILE_MACHINE_AMD64 = 0x8664,
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IMAGE_FILE_MACHINE_ARM = 0x1C0,
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IMAGE_FILE_MACHINE_ARMV7 = 0x1C4,
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IMAGE_FILE_MACHINE_EBC = 0xEBC,
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IMAGE_FILE_MACHINE_I386 = 0x14C,
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IMAGE_FILE_MACHINE_IA64 = 0x200,
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IMAGE_FILE_MACHINE_M32R = 0x9041,
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IMAGE_FILE_MACHINE_MIPS16 = 0x266,
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IMAGE_FILE_MACHINE_MIPSFPU = 0x366,
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IMAGE_FILE_MACHINE_MIPSFPU16 = 0x466,
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IMAGE_FILE_MACHINE_POWERPC = 0x1F0,
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IMAGE_FILE_MACHINE_POWERPCFP = 0x1F1,
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IMAGE_FILE_MACHINE_R4000 = 0x166,
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IMAGE_FILE_MACHINE_SH3 = 0x1A2,
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IMAGE_FILE_MACHINE_SH3DSP = 0x1A3,
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IMAGE_FILE_MACHINE_SH4 = 0x1A6,
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IMAGE_FILE_MACHINE_SH5 = 0x1A8,
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IMAGE_FILE_MACHINE_THUMB = 0x1C2,
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IMAGE_FILE_MACHINE_WCEMIPSV2 = 0x169
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};
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enum Characteristics {
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/// The file does not contain base relocations and must be loaded at its
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/// preferred base. If this cannot be done, the loader will error.
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IMAGE_FILE_RELOCS_STRIPPED = 0x0001,
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/// The file is valid and can be run.
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IMAGE_FILE_EXECUTABLE_IMAGE = 0x0002,
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/// COFF line numbers have been stripped. This is deprecated and should be
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/// 0.
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IMAGE_FILE_LINE_NUMS_STRIPPED = 0x0004,
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/// COFF symbol table entries for local symbols have been removed. This is
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/// deprecated and should be 0.
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IMAGE_FILE_LOCAL_SYMS_STRIPPED = 0x0008,
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/// Aggressively trim working set. This is deprecated and must be 0.
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IMAGE_FILE_AGGRESSIVE_WS_TRIM = 0x0010,
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/// Image can handle > 2GiB addresses.
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IMAGE_FILE_LARGE_ADDRESS_AWARE = 0x0020,
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/// Little endian: the LSB precedes the MSB in memory. This is deprecated
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/// and should be 0.
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IMAGE_FILE_BYTES_REVERSED_LO = 0x0080,
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/// Machine is based on a 32bit word architecture.
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IMAGE_FILE_32BIT_MACHINE = 0x0100,
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/// Debugging info has been removed.
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IMAGE_FILE_DEBUG_STRIPPED = 0x0200,
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/// If the image is on removable media, fully load it and copy it to swap.
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IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP = 0x0400,
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/// If the image is on network media, fully load it and copy it to swap.
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IMAGE_FILE_NET_RUN_FROM_SWAP = 0x0800,
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/// The image file is a system file, not a user program.
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IMAGE_FILE_SYSTEM = 0x1000,
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/// The image file is a DLL.
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IMAGE_FILE_DLL = 0x2000,
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/// This file should only be run on a uniprocessor machine.
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IMAGE_FILE_UP_SYSTEM_ONLY = 0x4000,
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/// Big endian: the MSB precedes the LSB in memory. This is deprecated
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/// and should be 0.
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IMAGE_FILE_BYTES_REVERSED_HI = 0x8000
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};
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struct symbol {
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@ -231,6 +289,24 @@ namespace COFF {
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IMAGE_REL_AMD64_SSPAN32 = 0x0010
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};
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enum RelocationTypesARM {
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IMAGE_REL_ARM_ABSOLUTE = 0x0000,
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IMAGE_REL_ARM_ADDR32 = 0x0001,
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IMAGE_REL_ARM_ADDR32NB = 0x0002,
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IMAGE_REL_ARM_BRANCH24 = 0x0003,
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IMAGE_REL_ARM_BRANCH11 = 0x0004,
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IMAGE_REL_ARM_TOKEN = 0x0005,
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IMAGE_REL_ARM_BLX24 = 0x0008,
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IMAGE_REL_ARM_BLX11 = 0x0009,
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IMAGE_REL_ARM_SECTION = 0x000E,
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IMAGE_REL_ARM_SECREL = 0x000F,
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IMAGE_REL_ARM_MOV32A = 0x0010,
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IMAGE_REL_ARM_MOV32T = 0x0011,
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IMAGE_REL_ARM_BRANCH20T = 0x0012,
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IMAGE_REL_ARM_BRANCH24T = 0x0014,
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IMAGE_REL_ARM_BLX23T = 0x0015
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};
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enum COMDATType {
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IMAGE_COMDAT_SELECT_NODUPLICATES = 1,
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IMAGE_COMDAT_SELECT_ANY,
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@ -292,7 +368,219 @@ namespace COFF {
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AuxiliarySectionDefinition SectionDefinition;
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};
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} // End namespace llvm.
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/// @brief The Import Directory Table.
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///
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/// There is a single array of these and one entry per imported DLL.
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struct ImportDirectoryTableEntry {
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uint32_t ImportLookupTableRVA;
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uint32_t TimeDateStamp;
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uint32_t ForwarderChain;
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uint32_t NameRVA;
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uint32_t ImportAddressTableRVA;
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};
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/// @brief The PE32 Import Lookup Table.
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///
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/// There is an array of these for each imported DLL. It represents either
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/// the ordinal to import from the target DLL, or a name to lookup and import
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/// from the target DLL.
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///
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/// This also happens to be the same format used by the Import Address Table
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/// when it is initially written out to the image.
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struct ImportLookupTableEntry32 {
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uint32_t data;
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/// @brief Is this entry specified by ordinal, or name?
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bool isOrdinal() const { return data & 0x80000000; }
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/// @brief Get the ordinal value of this entry. isOrdinal must be true.
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uint16_t getOrdinal() const {
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assert(isOrdinal() && "ILT entry is not an ordinal!");
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return data & 0xFFFF;
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}
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/// @brief Set the ordinal value and set isOrdinal to true.
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void setOrdinal(uint16_t o) {
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data = o;
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data |= 0x80000000;
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}
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/// @brief Get the Hint/Name entry RVA. isOrdinal must be false.
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uint32_t getHintNameRVA() const {
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assert(!isOrdinal() && "ILT entry is not a Hint/Name RVA!");
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return data;
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}
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/// @brief Set the Hint/Name entry RVA and set isOrdinal to false.
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void setHintNameRVA(uint32_t rva) { data = rva; }
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};
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/// @brief The DOS compatible header at the front of all PEs.
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struct DOSHeader {
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uint16_t Magic;
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uint16_t UsedBytesInTheLastPage;
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uint16_t FileSizeInPages;
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uint16_t NumberOfRelocationItems;
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uint16_t HeaderSizeInParagraphs;
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uint16_t MinimumExtraParagraphs;
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uint16_t MaximumExtraParagraphs;
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uint16_t InitialRelativeSS;
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uint16_t InitialSP;
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uint16_t Checksum;
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uint16_t InitialIP;
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uint16_t InitialRelativeCS;
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uint16_t AddressOfRelocationTable;
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uint16_t OverlayNumber;
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uint16_t Reserved[4];
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uint16_t OEMid;
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uint16_t OEMinfo;
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uint16_t Reserved2[10];
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uint32_t AddressOfNewExeHeader;
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};
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struct PEHeader {
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uint32_t Signature;
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header COFFHeader;
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uint16_t Magic;
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uint8_t MajorLinkerVersion;
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uint8_t MinorLinkerVersion;
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uint32_t SizeOfCode;
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uint32_t SizeOfInitializedData;
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uint32_t SizeOfUninitializedData;
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uint32_t AddressOfEntryPoint; // RVA
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uint32_t BaseOfCode; // RVA
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uint32_t BaseOfData; // RVA
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uint64_t ImageBase;
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uint32_t SectionAlignment;
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uint32_t FileAlignment;
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uint16_t MajorOperatingSystemVersion;
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uint16_t MinorOperatingSystemVersion;
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uint16_t MajorImageVersion;
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uint16_t MinorImageVersion;
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uint16_t MajorSubsystemVersion;
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uint16_t MinorSubsystemVersion;
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uint32_t Win32VersionValue;
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uint32_t SizeOfImage;
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uint32_t SizeOfHeaders;
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uint32_t CheckSum;
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uint16_t Subsystem;
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uint16_t DLLCharacteristics;
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uint64_t SizeOfStackReserve;
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uint64_t SizeOfStackCommit;
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uint64_t SizeOfHeapReserve;
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uint64_t SizeOfHeapCommit;
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uint32_t LoaderFlags;
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uint32_t NumberOfRvaAndSize;
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};
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struct DataDirectory {
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uint32_t RelativeVirtualAddress;
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uint32_t Size;
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};
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enum WindowsSubsystem {
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IMAGE_SUBSYSTEM_UNKNOWN = 0, ///< An unknown subsystem.
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IMAGE_SUBSYSTEM_NATIVE = 1, ///< Device drivers and native Windows processes
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IMAGE_SUBSYSTEM_WINDOWS_GUI = 2, ///< The Windows GUI subsystem.
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IMAGE_SUBSYSTEM_WINDOWS_CUI = 3, ///< The Windows character subsystem.
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IMAGE_SUBSYSTEM_POSIX_CUI = 7, ///< The POSIX character subsystem.
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IMAGE_SUBSYSTEM_WINDOWS_CE_GUI = 9, ///< Windows CE.
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IMAGE_SUBSYSTEM_EFI_APPLICATION = 10, ///< An EFI application.
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IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER = 11, ///< An EFI driver with boot
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/// services.
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IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER = 12, ///< An EFI driver with run-time
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/// services.
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IMAGE_SUBSYSTEM_EFI_ROM = 13, ///< An EFI ROM image.
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IMAGE_SUBSYSTEM_XBOX = 14 ///< XBOX.
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};
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enum DLLCharacteristics {
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/// DLL can be relocated at load time.
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IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE = 0x0040,
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/// Code integrity checks are enforced.
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IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY = 0x0080,
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IMAGE_DLL_CHARACTERISTICS_NX_COMPAT = 0x0100, ///< Image is NX compatible.
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/// Isolation aware, but do not isolate the image.
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IMAGE_DLL_CHARACTERISTICS_NO_ISOLATION = 0x0200,
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/// Does not use structured exception handling (SEH). No SEH handler may be
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/// called in this image.
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IMAGE_DLL_CHARACTERISTICS_NO_SEH = 0x0400,
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/// Do not bind the image.
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IMAGE_DLL_CHARACTERISTICS_NO_BIND = 0x0800,
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IMAGE_DLL_CHARACTERISTICS_WDM_DRIVER = 0x2000, ///< A WDM driver.
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/// Terminal Server aware.
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IMAGE_DLL_CHARACTERISTICS_TERMINAL_SERVER_AWARE = 0x8000
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};
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enum DebugType {
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IMAGE_DEBUG_TYPE_UNKNOWN = 0,
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IMAGE_DEBUG_TYPE_COFF = 1,
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IMAGE_DEBUG_TYPE_CODEVIEW = 2,
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IMAGE_DEBUG_TYPE_FPO = 3,
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IMAGE_DEBUG_TYPE_MISC = 4,
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IMAGE_DEBUG_TYPE_EXCEPTION = 5,
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IMAGE_DEBUG_TYPE_FIXUP = 6,
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IMAGE_DEBUG_TYPE_OMAP_TO_SRC = 7,
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IMAGE_DEBUG_TYPE_OMAP_FROM_SRC = 8,
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IMAGE_DEBUG_TYPE_BORLAND = 9,
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IMAGE_DEBUG_TYPE_CLSID = 11
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};
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enum BaseRelocationType {
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IMAGE_REL_BASED_ABSOLUTE = 0,
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IMAGE_REL_BASED_HIGH = 1,
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IMAGE_REL_BASED_LOW = 2,
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IMAGE_REL_BASED_HIGHLOW = 3,
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IMAGE_REL_BASED_HIGHADJ = 4,
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IMAGE_REL_BASED_MIPS_JMPADDR = 5,
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IMAGE_REL_BASED_ARM_MOV32A = 5,
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IMAGE_REL_BASED_ARM_MOV32T = 7,
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IMAGE_REL_BASED_MIPS_JMPADDR16 = 9,
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IMAGE_REL_BASED_DIR64 = 10
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};
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enum ImportType {
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IMPORT_CODE = 0,
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IMPORT_DATA = 1,
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IMPORT_CONST = 2
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};
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enum ImportNameType {
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/// Import is by ordinal. This indicates that the value in the Ordinal/Hint
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/// field of the import header is the import's ordinal. If this constant is
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/// not specified, then the Ordinal/Hint field should always be interpreted
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/// as the import's hint.
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IMPORT_ORDINAL = 0,
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/// The import name is identical to the public symbol name
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IMPORT_NAME = 1,
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/// The import name is the public symbol name, but skipping the leading ?,
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/// @, or optionally _.
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IMPORT_NAME_NOPREFIX = 2,
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/// The import name is the public symbol name, but skipping the leading ?,
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/// @, or optionally _, and truncating at the first @.
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IMPORT_NAME_UNDECORATE = 3,
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};
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struct ImportHeader {
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uint16_t Sig1; ///< Must be IMAGE_FILE_MACHINE_UNKNOWN (0).
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uint16_t Sig2; ///< Must be 0xFFFF.
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uint16_t Version;
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uint16_t Machine;
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uint32_t TimeDateStamp;
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uint32_t SizeOfData;
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uint16_t OrdinalHint;
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uint16_t TypeInfo;
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ImportType getType() const {
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return static_cast<ImportType>(TypeInfo & 0x3);
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}
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ImportNameType getNameType() const {
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return static_cast<ImportNameType>((TypeInfo & 0x1C) >> 3);
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}
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};
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} // End namespace COFF.
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} // End namespace llvm.
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#endif
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