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