windows-nt/Source/XPSP1/NT/base/mvdm/meinc/ldrdefs.h

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2020-09-26 03:20:57 -05:00
/************************************************************************/
/* */
/* FILENAME.H -- Standard C Header File Format */
/* */
/************************************************************************/
/* Author: */
/* Copyright: */
/************************************************************************/
/* File Description: */
/* */
/* */
/************************************************************************/
/* Revision History: */
/* */
/* 03/27/92 (GeneA): modified to conform to version 3.7 of PE format */
/* spec. */
/* */
/************************************************************************/
/* ------------------------------------------------------------ */
/* */
/* ------------------------------------------------------------ */
/* ------------------------------------------------------------ */
/* Fixup Defintions
*/
typedef struct _fxr {
DWORD rvaPage;
DWORD cbSize;
WORD rgwOffset[1];
} FXR;
/* Fixup record types
*/
#define fxtAbsolute 0
#define fxtHigh 1
#define fxtLow 2
#define fxtHighLow 3
#define fxtHighAdjust 4
#define fxtMax 5
/* ------------------------------------------------------------ */
/* Debug Directory Table */
typedef struct _ddt {
DWORD flFlags;
DWORD idTimeStamp;
WORD verMajor;
WORD verMinor;
DWORD dwType;
DWORD dwSize;
DWORD rva;
DWORD dwSeek;
} DDT;
typedef DDT *PDDT;
/* ------------------------------------------------------------ */
/* Linear EXE Header
*/
#define fimgProgram 0x0000
#define fimgExecutable 0x0002
#define fimgFixed 0x0200
#define fimgLibrary 0x2000
#define fdllPrcInit 0x0001
#define fdllPrcTerm 0x0002
#define fdllThdInit 0x0004
#define fdllThdTerm 0x0008
// Subsystem id
// CONBUG these are probably defined elsewhere, but I never found 'em
#define subidWindows 2
#define subidConsole 3
typedef struct _tagLEH {
DWORD Signature; // idExeHdr // "PE\0\0"
WORD Machine; // wCpuType // 0x14c == 386
WORD NumberOfSections; // coteObjTable // # of objects following LEH
DWORD TimeDateStamp; // idTimeStamp
DWORD PointerToSymbolTable; // bReserved1[8]
DWORD NumberOfSymbols;
WORD SizeOfOptionalHeader; // cbOptHdrSize // header from bResv2 until ObjTab
WORD Characteristics; // fsModFlags
//
// Standard fields.
//
WORD Magic; // bReserved2[2]
BYTE MajorLinkerVersion; //verLinkMajor
BYTE MinorLinkerVersion; //verLinkMinor
DWORD SizeOfCode; // bReserved3[12]
DWORD SizeOfInitializedData;
DWORD SizeOfUninitializedData;
DWORD AddressOfEntryPoint; // rvaEntryPoint // or NULL
DWORD BaseOfCode; // bReserved4[8]
DWORD BaseOfData;
//
// NT additional fields.
//
DWORD ImageBase; // dwImageBase // actual value - modified if relocated
DWORD SectionAlignment; // dwObjectAlign
DWORD FileAlignment; // dwFileAlign
WORD MajorOperatingSystemVersion;// verOSMajor
WORD MinorOperatingSystemVersion;// verOSMinor
WORD MajorImageVersion; // verUserMajor
WORD MinorImageVersion; // verUserMinor
WORD MajorSubsystemVersion; // verSubSysMajor
WORD MinorSubsystemVersion; // verSubSysMinor
DWORD Reserved1; // bReserved5[4]
DWORD SizeOfImage; // cbImageSize
DWORD SizeOfHeaders; // cbHeaderSize
DWORD CheckSum; // dwCheckSum
WORD Subsystem; // idSubSystem
WORD DllCharacteristics; // fsDllFlags
DWORD SizeOfStackReserve; // cbStackReserve
DWORD SizeOfStackCommit; // cbStackCommit
DWORD SizeOfHeapReserve; // cbHeapReserve
DWORD SizeOfHeapCommit; // cbHeapCommit
DWORD LoaderFlags; // bReserved6[4]
DWORD NumberOfRvaAndSizes; // dwRVASizeCount
IMAGE_DATA_DIRECTORY // rgrtb[9]
DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES];
} LEH;
/* ------------------------------------------------------------ */
/* Convert RVA to actual address, based on load address
* of Linear Exe Header and Relative Virtual Address
*/
/* Pointer version of macro */
#define RVA(leh, rva) (void *)(leh->ImageBase + (DWORD)(rva))
/* Integer (DWORD) version of macro */
#define RVAW(leh, rva) (DWORD)RVA(leh, rva)
/* ------------------------------------------------------------ */
/* Find start of object table given start of LEH
*/
#define POTE(pleh) (OTE *)((char *)&(pleh)->Magic + \
(pleh)->SizeOfOptionalHeader)
/* ------------------------------------------------------------ */
#define RESOURCE_RVA(pleh) (DWORD)((pleh)-> \
DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE].VirtualAddress)
#define RESOURCE_SIZE(pleh) (DWORD)((pleh)-> \
DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE].Size)
/* ------------------------------------------------------------ */
#define OTE IMAGE_SECTION_HEADER
#define EDT IMAGE_EXPORT_DIRECTORY
#define IDT IMAGE_IMPORT_DESCRIPTOR
#define DXH IMAGE_DOS_HEADER
/* ------------------------------------------------------------ */
/* ------------------------------------------------------------ */
/* ------------------------------------------------------------ */
/* ------------------------------------------------------------ */
/* ------------------------------------------------------------ */
/************************************************************************/