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- /* a.out.h
-
- Copyright 1997, 1998, 1999, 2001 Red Hat, Inc.
-
- This file is part of Cygwin.
-
- This software is a copyrighted work licensed under the terms of the
- Cygwin license. Please consult the file "CYGWIN_LICENSE" for
- details. */
-
- #ifndef _A_OUT_H_
- #define _A_OUT_H_
-
- #ifdef __cplusplus
- extern "C" {
- #endif
- #define COFF_IMAGE_WITH_PE
- #define COFF_LONG_SECTION_NAMES
-
- /*** coff information for Intel 386/486. */
-
-
- /********************** FILE HEADER **********************/
-
- struct external_filehdr {
- short f_magic; /* magic number */
- short f_nscns; /* number of sections */
- unsigned long f_timdat; /* time & date stamp */
- unsigned long f_symptr; /* file pointer to symtab */
- unsigned long f_nsyms; /* number of symtab entries */
- short f_opthdr; /* sizeof(optional hdr) */
- short f_flags; /* flags */
- };
-
- /* Bits for f_flags:
- * F_RELFLG relocation info stripped from file
- * F_EXEC file is executable (no unresolved external references)
- * F_LNNO line numbers stripped from file
- * F_LSYMS local symbols stripped from file
- * F_AR32WR file has byte ordering of an AR32WR machine (e.g. vax)
- */
-
- #define F_RELFLG (0x0001)
- #define F_EXEC (0x0002)
- #define F_LNNO (0x0004)
- #define F_LSYMS (0x0008)
-
-
-
- #define I386MAGIC 0x14c
- #define I386PTXMAGIC 0x154
- #define I386AIXMAGIC 0x175
-
- /* This is Lynx's all-platform magic number for executables. */
-
- #define LYNXCOFFMAGIC 0415
-
- #define I386BADMAG(x) (((x).f_magic != I386MAGIC) \
- && (x).f_magic != I386AIXMAGIC \
- && (x).f_magic != I386PTXMAGIC \
- && (x).f_magic != LYNXCOFFMAGIC)
-
- #define FILHDR struct external_filehdr
- #define FILHSZ 20
-
-
- /********************** AOUT "OPTIONAL HEADER"=
- **********************/
-
-
- typedef struct
- {
- unsigned short magic; /* type of file */
- unsigned short vstamp; /* version stamp */
- unsigned long tsize; /* text size in bytes, padded to FW bdry*/
- unsigned long dsize; /* initialized data " " */
- unsigned long bsize; /* uninitialized data " " */
- unsigned long entry; /* entry pt. */
- unsigned long text_start; /* base of text used for this file */
- unsigned long data_start; /* base of data used for this file=
- */
- }
- AOUTHDR;
-
- #define AOUTSZ 28
- #define AOUTHDRSZ 28
-
- #define OMAGIC 0404 /* object files, eg as output */
- #define ZMAGIC 0413 /* demand load format, eg normal ld output */
- #define STMAGIC 0401 /* target shlib */
- #define SHMAGIC 0443 /* host shlib */
-
-
- /* define some NT default values */
- /* #define NT_IMAGE_BASE 0x400000 moved to internal.h */
- #define NT_SECTION_ALIGNMENT 0x1000
- #define NT_FILE_ALIGNMENT 0x200
- #define NT_DEF_RESERVE 0x100000
- #define NT_DEF_COMMIT 0x1000
-
- /********************** SECTION HEADER **********************/
-
-
- struct external_scnhdr {
- char s_name[8]; /* section name */
- unsigned long s_paddr; /* physical address, offset
- of last addr in scn */
- unsigned long s_vaddr; /* virtual address */
- unsigned long s_size; /* section size */
- unsigned long s_scnptr; /* file ptr to raw data for section */
- unsigned long s_relptr; /* file ptr to relocation */
- unsigned long s_lnnoptr; /* file ptr to line numbers */
- unsigned short s_nreloc; /* number of relocation entries */
- unsigned short s_nlnno; /* number of line number entries*/
- unsigned long s_flags; /* flags */
- };
-
- #define SCNHDR struct external_scnhdr
- #define SCNHSZ 40
-
- /*
- * names of "special" sections
- */
- #define _TEXT ".text"
- #define _DATA ".data"
- #define _BSS ".bss"
- #define _COMMENT ".comment"
- #define _LIB ".lib"
-
- /********************** LINE NUMBERS **********************/
-
- /* 1 line number entry for every "breakpointable" source line in a section.
- * Line numbers are grouped on a per function basis; first entry in a function
- * grouping will have l_lnno = 0 and in place of physical address will be the
- * symbol table index of the function name.
- */
- struct external_lineno {
- union {
- unsigned long l_symndx; /* function name symbol index, iff l_lnno 0 */
- unsigned long l_paddr; /* (physical) address of line number */
- } l_addr;
- unsigned short l_lnno; /* line number */
- };
-
- #define LINENO struct external_lineno
- #define LINESZ 6
-
- /********************** SYMBOLS **********************/
-
- #define E_SYMNMLEN 8 /* # characters in a symbol name */
- #define E_FILNMLEN 14 /* # characters in a file name */
- #define E_DIMNUM 4 /* # array dimensions in auxiliary entry */
-
- struct external_syment
- {
- union {
- char e_name[E_SYMNMLEN];
- struct {
- unsigned long e_zeroes;
- unsigned long e_offset;
- } e;
- } e;
- unsigned long e_value;
- unsigned short e_scnum;
- unsigned short e_type;
- char e_sclass[1];
- char e_numaux[1];
- };
-
- #define N_BTMASK (0xf)
- #define N_TMASK (0x30)
- #define N_BTSHFT (4)
- #define N_TSHIFT (2)
-
- union external_auxent {
- struct {
- unsigned long x_tagndx; /* str, un, or enum tag indx */
- union {
- struct {
- unsigned short x_lnno; /* declaration line number */
- unsigned short x_size; /* str/union/array size */
- } x_lnsz;
- unsigned long x_fsize; /* size of function */
- } x_misc;
- union {
- struct { /* if ISFCN, tag, or .bb */
- unsigned long x_lnnoptr;/* ptr to fcn line # */
- unsigned long x_endndx; /* entry ndx past block end */
- } x_fcn;
- struct { /* if ISARY, up to 4 dimen. */
- char x_dimen[E_DIMNUM][2];
- } x_ary;
- } x_fcnary;
- unsigned short x_tvndx; /* tv index */
- } x_sym;
-
- union {
- char x_fname[E_FILNMLEN];
- struct {
- unsigned long x_zeroes;
- unsigned long x_offset;
- } x_n;
- } x_file;
-
- struct {
- unsigned long x_scnlen; /* section length */
- unsigned short x_nreloc; /* # relocation entries */
- unsigned short x_nlinno; /* # line numbers */
- unsigned long x_checksum; /* section COMDAT checksum */
- unsigned short x_associated;/* COMDAT associated section index */
- char x_comdat[1]; /* COMDAT selection number */
- } x_scn;
-
- struct {
- unsigned long x_tvfill; /* tv fill value */
- unsigned short x_tvlen; /* length of .tv */
- char x_tvran[2][2]; /* tv range */
- } x_tv; /* info about .tv section (in auxent of symbol .tv)) */
-
- };
-
- #define SYMENT struct external_syment
- #define SYMESZ 18
- #define AUXENT union external_auxent
- #define AUXESZ 18
-
- #define _ETEXT "etext"
-
- /********************** RELOCATION DIRECTIVES **********************/
-
- struct external_reloc {
- char r_vaddr[4];
- char r_symndx[4];
- char r_type[2];
- };
-
- #define RELOC struct external_reloc
- #define RELSZ 10
-
- /* end of coff/i386.h */
-
- /* PE COFF header information */
-
- #ifndef _PE_H
- #define _PE_H
-
- /* NT specific file attributes */
- #define IMAGE_FILE_RELOCS_STRIPPED 0x0001
- #define IMAGE_FILE_EXECUTABLE_IMAGE 0x0002
- #define IMAGE_FILE_LINE_NUMS_STRIPPED 0x0004
- #define IMAGE_FILE_LOCAL_SYMS_STRIPPED 0x0008
- #define IMAGE_FILE_BYTES_REVERSED_LO 0x0080
- #define IMAGE_FILE_32BIT_MACHINE 0x0100
- #define IMAGE_FILE_DEBUG_STRIPPED 0x0200
- #define IMAGE_FILE_SYSTEM 0x1000
- #define IMAGE_FILE_DLL 0x2000
- #define IMAGE_FILE_BYTES_REVERSED_HI 0x8000
-
- /* additional flags to be set for section headers to allow the NT loader to
- read and write to the section data (to replace the addresses of data in
- dlls for one thing); also to execute the section in .text's case=
- */
- #define IMAGE_SCN_MEM_DISCARDABLE 0x02000000
- #define IMAGE_SCN_MEM_EXECUTE 0x20000000
- #define IMAGE_SCN_MEM_READ 0x40000000
- #define IMAGE_SCN_MEM_WRITE 0x80000000
-
- /*
- * Section characteristics added for ppc-nt
- */
-
- #define IMAGE_SCN_TYPE_NO_PAD 0x00000008 /* Reserved. */
-
- #define IMAGE_SCN_CNT_CODE 0x00000020 /* Section contains code. */
- #define IMAGE_SCN_CNT_INITIALIZED_DATA 0x00000040 /* Section contains initialized data. */
- #define IMAGE_SCN_CNT_UNINITIALIZED_DATA 0x00000080 /* Section contains uninitialized data. */
-
- #define IMAGE_SCN_LNK_OTHER 0x00000100 /* Reserved. */
- #define IMAGE_SCN_LNK_INFO 0x00000200 /* Section contains comments or some other type of information. */
- #define IMAGE_SCN_LNK_REMOVE 0x00000800 /* Section contents will not become part of image. */
- #define IMAGE_SCN_LNK_COMDAT 0x00001000 /* Section contents comdat. */
-
- #define IMAGE_SCN_MEM_FARDATA 0x00008000
-
- #define IMAGE_SCN_MEM_PURGEABLE 0x00020000
- #define IMAGE_SCN_MEM_16BIT 0x00020000
- #define IMAGE_SCN_MEM_LOCKED 0x00040000
- #define IMAGE_SCN_MEM_PRELOAD 0x00080000
-
- #define IMAGE_SCN_ALIGN_1BYTES 0x00100000
- #define IMAGE_SCN_ALIGN_2BYTES 0x00200000
- #define IMAGE_SCN_ALIGN_4BYTES 0x00300000
- #define IMAGE_SCN_ALIGN_8BYTES 0x00400000
- #define IMAGE_SCN_ALIGN_16BYTES 0x00500000 /* Default alignment if no others are specified. */
- #define IMAGE_SCN_ALIGN_32BYTES 0x00600000
- #define IMAGE_SCN_ALIGN_64BYTES 0x00700000
-
-
- #define IMAGE_SCN_LNK_NRELOC_OVFL 0x01000000 /* Section contains extended relocations. */
- #define IMAGE_SCN_MEM_NOT_CACHED 0x04000000 /* Section is not cachable. */
- #define IMAGE_SCN_MEM_NOT_PAGED 0x08000000 /* Section is not pageable. */
- #define IMAGE_SCN_MEM_SHARED 0x10000000 /* Section is shareable. */
-
- /* COMDAT selection codes. */
-
- #define IMAGE_COMDAT_SELECT_NODUPLICATES (1) /* Warn if duplicates. */
- #define IMAGE_COMDAT_SELECT_ANY (2) /* No warning. */
- #define IMAGE_COMDAT_SELECT_SAME_SIZE (3) /* Warn if different size. */
- #define IMAGE_COMDAT_SELECT_EXACT_MATCH (4) /* Warn if different. */
- #define IMAGE_COMDAT_SELECT_ASSOCIATIVE (5) /* Base on other section. */
-
- /* Magic values that are true for all dos/nt implementations */
- #define DOSMAGIC 0x5a4d
- #define NT_SIGNATURE 0x00004550
-
- /* NT allows long filenames, we want to accommodate this. This may break
- some of the bfd functions */
- #undef FILNMLEN
- #define FILNMLEN 18 /* # characters in a file name */
-
-
- #ifdef COFF_IMAGE_WITH_PE
- /* The filehdr is only weired in images */
-
- #undef FILHDR
- struct external_PE_filehdr
- {
- /* DOS header fields */
- unsigned short e_magic; /* Magic number, 0x5a4d */
- unsigned short e_cblp; /* Bytes on last page of file, 0x90 */
- unsigned short e_cp; /* Pages in file, 0x3 */
- unsigned short e_crlc; /* Relocations, 0x0 */
- unsigned short e_cparhdr; /* Size of header in paragraphs, 0x4 */
- unsigned short e_minalloc; /* Minimum extra paragraphs needed, 0x0 */
- unsigned short e_maxalloc; /* Maximum extra paragraphs needed, 0xFFFF */
- unsigned short e_ss; /* Initial (relative) SS value, 0x0 */
- unsigned short e_sp; /* Initial SP value, 0xb8 */
- unsigned short e_csum; /* Checksum, 0x0 */
- unsigned short e_ip; /* Initial IP value, 0x0 */
- unsigned short e_cs; /* Initial (relative) CS value, 0x0 */
- unsigned short e_lfarlc; /* File address of relocation table, 0x40 */
- unsigned short e_ovno; /* Overlay number, 0x0 */
- char e_res[4][2]; /* Reserved words, all 0x0 */
- unsigned short e_oemid; /* OEM identifier (for e_oeminfo), 0x0 */
- unsigned short e_oeminfo; /* OEM information; e_oemid specific, 0x0 */
- char e_res2[10][2]; /* Reserved words, all 0x0 */
- unsigned long e_lfanew; /* File address of new exe header, 0x80 */
- char dos_message[16][4]; /* other stuff, always follow DOS header */
- unsigned int nt_signature; /* required NT signature, 0x4550 */
-
- /* From standard header */
-
- unsigned short f_magic; /* magic number */
- unsigned short f_nscns; /* number of sections */
- unsigned long f_timdat; /* time & date stamp */
- unsigned long f_symptr; /* file pointer to symtab */
- unsigned long f_nsyms; /* number of symtab entries */
- unsigned short f_opthdr; /* sizeof(optional hdr) */
- unsigned short f_flags; /* flags */
- };
-
-
- #define FILHDR struct external_PE_filehdr
- #undef FILHSZ
- #define FILHSZ 152
-
- #endif
-
- typedef struct
- {
- unsigned short magic; /* type of file */
- unsigned short vstamp; /* version stamp */
- unsigned long tsize; /* text size in bytes, padded to FW bdry*/
- unsigned long dsize; /* initialized data " " */
- unsigned long bsize; /* uninitialized data " " */
- unsigned long entry; /* entry pt. */
- unsigned long text_start; /* base of text used for this file */
- unsigned long data_start; /* base of all data used for this file */
-
- /* NT extra fields; see internal.h for descriptions */
- unsigned long ImageBase;
- unsigned long SectionAlignment;
- unsigned long FileAlignment;
- unsigned short MajorOperatingSystemVersion;
- unsigned short MinorOperatingSystemVersion;
- unsigned short MajorImageVersion;
- unsigned short MinorImageVersion;
- unsigned short MajorSubsystemVersion;
- unsigned short MinorSubsystemVersion;
- char Reserved1[4];
- unsigned long SizeOfImage;
- unsigned long SizeOfHeaders;
- unsigned long CheckSum;
- unsigned short Subsystem;
- unsigned short DllCharacteristics;
- unsigned long SizeOfStackReserve;
- unsigned long SizeOfStackCommit;
- unsigned long SizeOfHeapReserve;
- unsigned long SizeOfHeapCommit;
- unsigned long LoaderFlags;
- unsigned long NumberOfRvaAndSizes;
- /* IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES]; */
- char DataDirectory[16][2][4]; /* 16 entries, 2 elements/entry, 4 chars */
-
- } PEAOUTHDR;
-
-
- #undef AOUTSZ
- #define AOUTSZ (AOUTHDRSZ + 196)
-
- #undef E_FILNMLEN
- #define E_FILNMLEN 18 /* # characters in a file name */
- #endif
-
- /* end of coff/pe.h */
-
- #define DT_NON (0) /* no derived type */
- #define DT_PTR (1) /* pointer */
- #define DT_FCN (2) /* function */
- #define DT_ARY (3) /* array */
-
- #define ISPTR(x) (((x) & N_TMASK) == (DT_PTR << N_BTSHFT))
- #define ISFCN(x) (((x) & N_TMASK) == (DT_FCN << N_BTSHFT))
- #define ISARY(x) (((x) & N_TMASK) == (DT_ARY << N_BTSHFT))
-
- #ifdef __cplusplus
- }
- #endif
-
- #endif /* _A_OUT_H_ */
-
-