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/* a.out.h |
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|
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Copyright 1997, 1998, 1999, 2001 Red Hat, Inc. |
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|
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This file is part of Cygwin. |
| 6 |
|
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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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|
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#ifndef _A_OUT_H_ |
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#define _A_OUT_H_ |
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|
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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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|
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/*** coff information for Intel 386/486. */ |
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|
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|
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/********************** FILE HEADER **********************/ |
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|
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struct external_filehdr { |
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int16_t f_magic; /* magic number */ |
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int16_t f_nscns; /* number of sections */ |
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uint32_t f_timdat; /* time & date stamp */ |
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uint32_t f_symptr; /* file pointer to symtab */ |
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uint32_t f_nsyms; /* number of symtab entries */ |
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int16_t f_opthdr; /* sizeof(optional hdr) */ |
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int16_t f_flags; /* flags */ |
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}; |
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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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|
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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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|
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|
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|
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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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|
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/* This is Lynx's all-platform magic number for executables. */ |
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|
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#define LYNXCOFFMAGIC 0415 |
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|
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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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|
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#define FILHDR struct external_filehdr |
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#define FILHSZ 20 |
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|
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|
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/********************** AOUT "OPTIONAL HEADER"= |
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**********************/ |
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|
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|
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typedef struct |
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{ |
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uint16_t magic; /* type of file */ |
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uint16_t vstamp; /* version stamp */ |
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uint32_t tsize; /* text size in bytes, padded to FW bdry*/ |
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uint32_t dsize; /* initialized data " " */ |
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uint32_t bsize; /* uninitialized data " " */ |
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uint32_t entry; /* entry pt. */ |
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uint32_t text_start; /* base of text used for this file */ |
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uint32_t 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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|
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#define AOUTSZ 28 |
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#define AOUTHDRSZ 28 |
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|
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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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|
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|
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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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|
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/********************** SECTION HEADER **********************/ |
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|
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|
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struct external_scnhdr { |
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char s_name[8]; /* section name */ |
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uint32_t s_paddr; /* physical address, offset |
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of last addr in scn */ |
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uint32_t s_vaddr; /* virtual address */ |
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uint32_t s_size; /* section size */ |
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uint32_t s_scnptr; /* file ptr to raw data for section */ |
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uint32_t s_relptr; /* file ptr to relocation */ |
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uint32_t s_lnnoptr; /* file ptr to line numbers */ |
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uint16_t s_nreloc; /* number of relocation entries */ |
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uint16_t s_nlnno; /* number of line number entries*/ |
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uint32_t s_flags; /* flags */ |
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}; |
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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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/* |
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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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|
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/********************** LINE NUMBERS **********************/ |
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|
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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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uint32_t l_symndx; /* function name symbol index, iff l_lnno 0 */ |
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uint32_t l_paddr; /* (physical) address of line number */ |
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} l_addr; |
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uint16_t l_lnno; /* line number */ |
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}; |
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|
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#define LINENO struct external_lineno |
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#define LINESZ 6 |
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|
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/********************** SYMBOLS **********************/ |
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|
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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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|
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struct 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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uint32_t e_zeroes; |
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uint32_t e_offset; |
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} e; |
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} e; |
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uint32_t e_value; |
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uint16_t e_scnum; |
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uint16_t e_type; |
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char e_sclass[1]; |
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char e_numaux[1]; |
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} __attribute__((packed)); |
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|
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#ifndef _WIN32 |
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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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#endif |
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|
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union external_auxent { |
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struct { |
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uint32_t x_tagndx; /* str, un, or enum tag indx */ |
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union { |
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struct { |
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uint16_t x_lnno; /* declaration line number */ |
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uint16_t x_size; /* str/union/array size */ |
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} x_lnsz; |
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uint32_t 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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uint32_t x_lnnoptr; /* ptr to fcn line # */ |
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uint32_t 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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uint16_t x_tvndx; /* tv index */ |
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} x_sym; |
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|
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union { |
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char x_fname[E_FILNMLEN]; |
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struct { |
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uint32_t x_zeroes; |
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uint32_t x_offset; |
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} x_n; |
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} x_file; |
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|
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struct { |
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uint32_t x_scnlen; /* section length */ |
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uint16_t x_nreloc; /* # relocation entries */ |
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uint16_t x_nlinno; /* # line numbers */ |
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uint32_t x_checksum; /* section COMDAT checksum */ |
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uint16_t 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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|
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struct { |
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uint32_t x_tvfill; /* tv fill value */ |
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uint16_t 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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}; |
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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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|
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#define _ETEXT "etext" |
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|
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/********************** RELOCATION DIRECTIVES **********************/ |
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|
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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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|
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#define RELOC struct external_reloc |
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#define RELSZ 10 |
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|
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/* end of coff/i386.h */ |
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|
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/* PE COFF header information */ |
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|
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#ifndef _PE_H |
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#define _PE_H |
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|
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/* NT specific file attributes */ |
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#ifndef _WIN32 |
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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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#endif |
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|
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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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#ifndef _WIN32 |
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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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#endif |
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|
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/* |
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* Section characteristics added for ppc-nt |
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*/ |
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|
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#ifndef _WIN32 |
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#define IMAGE_SCN_TYPE_NO_PAD 0x00000008 /* Reserved. */ |
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|
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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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|
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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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|
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#define IMAGE_SCN_MEM_FARDATA 0x00008000 |
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|
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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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|
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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 |
| 300 |
#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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|
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|
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#define IMAGE_SCN_LNK_NRELOC_OVFL 0x01000000 /* Section contains extended relocations. */ |
| 307 |
#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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#endif |
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|
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/* COMDAT selection codes. */ |
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|
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#ifndef _WIN32 |
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#define IMAGE_COMDAT_SELECT_NODUPLICATES (1) /* Warn if duplicates. */ |
| 316 |
#define IMAGE_COMDAT_SELECT_ANY (2) /* No warning. */ |
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#define IMAGE_COMDAT_SELECT_SAME_SIZE (3) /* Warn if different size. */ |
| 318 |
#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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#endif |
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|
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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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|
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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 */ |
| 328 |
#undef FILNMLEN |
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#define FILNMLEN 18 /* # characters in a file name */ |
| 330 |
|
| 331 |
|
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#ifdef COFF_IMAGE_WITH_PE |
| 333 |
/* The filehdr is only weired in images */ |
| 334 |
|
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#undef FILHDR |
| 336 |
struct external_PE_filehdr |
| 337 |
{ |
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/* DOS header fields */ |
| 339 |
uint16_t e_magic; /* Magic number, 0x5a4d */ |
| 340 |
uint16_t e_cblp; /* Bytes on last page of file, 0x90 */ |
| 341 |
uint16_t e_cp; /* Pages in file, 0x3 */ |
| 342 |
uint16_t e_crlc; /* Relocations, 0x0 */ |
| 343 |
uint16_t e_cparhdr; /* Size of header in paragraphs, 0x4 */ |
| 344 |
uint16_t e_minalloc; /* Minimum extra paragraphs needed, 0x0 */ |
| 345 |
uint16_t e_maxalloc; /* Maximum extra paragraphs needed, 0xFFFF */ |
| 346 |
uint16_t e_ss; /* Initial (relative) SS value, 0x0 */ |
| 347 |
uint16_t e_sp; /* Initial SP value, 0xb8 */ |
| 348 |
uint16_t e_csum; /* Checksum, 0x0 */ |
| 349 |
uint16_t e_ip; /* Initial IP value, 0x0 */ |
| 350 |
uint16_t e_cs; /* Initial (relative) CS value, 0x0 */ |
| 351 |
uint16_t e_lfarlc; /* File address of relocation table, 0x40 */ |
| 352 |
uint16_t e_ovno; /* Overlay number, 0x0 */ |
| 353 |
char e_res[4][2]; /* Reserved words, all 0x0 */ |
| 354 |
uint16_t e_oemid; /* OEM identifier (for e_oeminfo), 0x0 */ |
| 355 |
uint16_t e_oeminfo; /* OEM information; e_oemid specific, 0x0 */ |
| 356 |
char e_res2[10][2]; /* Reserved words, all 0x0 */ |
| 357 |
uint32_t e_lfanew; /* File address of new exe header, 0x80 */ |
| 358 |
char dos_message[16][4]; /* other stuff, always follow DOS header */ |
| 359 |
unsigned int nt_signature; /* required NT signature, 0x4550 */ |
| 360 |
|
| 361 |
/* From standard header */ |
| 362 |
|
| 363 |
uint16_t f_magic; /* magic number */ |
| 364 |
uint16_t f_nscns; /* number of sections */ |
| 365 |
uint32_t f_timdat; /* time & date stamp */ |
| 366 |
uint32_t f_symptr; /* file pointer to symtab */ |
| 367 |
uint32_t f_nsyms; /* number of symtab entries */ |
| 368 |
uint16_t f_opthdr; /* sizeof(optional hdr) */ |
| 369 |
uint16_t f_flags; /* flags */ |
| 370 |
}; |
| 371 |
|
| 372 |
|
| 373 |
#define FILHDR struct external_PE_filehdr |
| 374 |
#undef FILHSZ |
| 375 |
#define FILHSZ 152 |
| 376 |
|
| 377 |
#endif |
| 378 |
|
| 379 |
typedef struct |
| 380 |
{ |
| 381 |
uint16_t magic; /* type of file */ |
| 382 |
uint16_t vstamp; /* version stamp */ |
| 383 |
uint32_t tsize; /* text size in bytes, padded to FW bdry*/ |
| 384 |
uint32_t dsize; /* initialized data " " */ |
| 385 |
uint32_t bsize; /* uninitialized data " " */ |
| 386 |
uint32_t entry; /* entry pt. */ |
| 387 |
uint32_t text_start; /* base of text used for this file */ |
| 388 |
uint32_t data_start; /* base of all data used for this file */ |
| 389 |
|
| 390 |
/* NT extra fields; see internal.h for descriptions */ |
| 391 |
uint32_t ImageBase; |
| 392 |
uint32_t SectionAlignment; |
| 393 |
uint32_t FileAlignment; |
| 394 |
uint16_t MajorOperatingSystemVersion; |
| 395 |
uint16_t MinorOperatingSystemVersion; |
| 396 |
uint16_t MajorImageVersion; |
| 397 |
uint16_t MinorImageVersion; |
| 398 |
uint16_t MajorSubsystemVersion; |
| 399 |
uint16_t MinorSubsystemVersion; |
| 400 |
char Reserved1[4]; |
| 401 |
uint32_t SizeOfImage; |
| 402 |
uint32_t SizeOfHeaders; |
| 403 |
uint32_t CheckSum; |
| 404 |
uint16_t Subsystem; |
| 405 |
uint16_t DllCharacteristics; |
| 406 |
uint32_t SizeOfStackReserve; |
| 407 |
uint32_t SizeOfStackCommit; |
| 408 |
uint32_t SizeOfHeapReserve; |
| 409 |
uint32_t SizeOfHeapCommit; |
| 410 |
uint32_t LoaderFlags; |
| 411 |
uint32_t NumberOfRvaAndSizes; |
| 412 |
/* IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES]; */ |
| 413 |
char DataDirectory[16][2][4]; /* 16 entries, 2 elements/entry, 4 chars */ |
| 414 |
|
| 415 |
} PEAOUTHDR; |
| 416 |
|
| 417 |
|
| 418 |
#undef AOUTSZ |
| 419 |
#define AOUTSZ (AOUTHDRSZ + 196) |
| 420 |
|
| 421 |
#undef E_FILNMLEN |
| 422 |
#define E_FILNMLEN 18 /* # characters in a file name */ |
| 423 |
#endif |
| 424 |
|
| 425 |
/* end of coff/pe.h */ |
| 426 |
|
| 427 |
#define DT_NON (0) /* no derived type */ |
| 428 |
#define DT_PTR (1) /* pointer */ |
| 429 |
#define DT_FCN (2) /* function */ |
| 430 |
#define DT_ARY (3) /* array */ |
| 431 |
|
| 432 |
#ifndef _WIN32 |
| 433 |
#define ISPTR(x) (((x) & N_TMASK) == (DT_PTR << N_BTSHFT)) |
| 434 |
#define ISFCN(x) (((x) & N_TMASK) == (DT_FCN << N_BTSHFT)) |
| 435 |
#define ISARY(x) (((x) & N_TMASK) == (DT_ARY << N_BTSHFT)) |
| 436 |
#endif |
| 437 |
|
| 438 |
#ifdef __cplusplus |
| 439 |
} |
| 440 |
#endif |
| 441 |
|
| 442 |
#endif /* _A_OUT_H_ */ |
| 443 |
|
