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Diffstat (limited to 'a.out.h')
| -rw-r--r-- | a.out.h | 431 |
1 files changed, 431 insertions, 0 deletions
diff --git a/a.out.h b/a.out.h new file mode 100644 index 0000000000..500e14f3fc --- /dev/null +++ b/a.out.h @@ -0,0 +1,431 @@ +/* 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_ */ + |