432 lines
14 KiB
C
432 lines
14 KiB
C
/* 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_ */
|
|
|