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/* Internal format of COFF object file data structures, for GNU BFD.
This file is part of BFD , the Binary File Descriptor library .
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Copyright ( C ) 1999 - 2014 Free Software Foundation , Inc .
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This program is free software ; you can redistribute it and / or modify
it under the terms of the GNU General Public License as published by
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the Free Software Foundation ; either version 3 of the License , or
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( at your option ) any later version .
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This program is distributed in the hope that it will be useful ,
but WITHOUT ANY WARRANTY ; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE . See the
GNU General Public License for more details .
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You should have received a copy of the GNU General Public License
along with this program ; if not , write to the Free Software
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Foundation , Inc . , 51 Franklin Street - Fifth Floor , Boston ,
MA 02110 - 1301 , USA . */
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# ifndef GNU_COFF_INTERNAL_H
# define GNU_COFF_INTERNAL_H 1
/* First, make "signed char" work, even on old compilers. */
# ifndef signed
# ifndef __STDC__
# define signed /**/
# endif
# endif
/********************** FILE HEADER **********************/
/* extra stuff in a PE header. */
struct internal_extra_pe_filehdr
{
/* DOS header data follows for PE stuff */
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 */
unsigned short e_res [ 4 ] ; /* Reserved words, all 0x0 */
unsigned short e_oemid ; /* OEM identifier (for e_oeminfo), 0x0 */
unsigned short e_oeminfo ; /* OEM information; e_oemid specific, 0x0 */
unsigned short e_res2 [ 10 ] ; /* Reserved words, all 0x0 */
bfd_vma e_lfanew ; /* File address of new exe header, 0x80 */
unsigned long dos_message [ 16 ] ; /* text which always follows dos header */
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bfd_vma nt_signature ; /* required NT signature, 0x4550 */
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} ;
# define GO32_STUBSIZE 2048
struct internal_filehdr
{
struct internal_extra_pe_filehdr pe ;
/* coff-stgo32 EXE stub header before BFD tdata has been allocated.
Its data is kept in INTERNAL_FILEHDR . GO32STUB afterwards .
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F_GO32STUB is set iff go32stub contains a valid data . Artifical headers
created in BFD have no pre - set go32stub . */
char go32stub [ GO32_STUBSIZE ] ;
/* Standard coff internal info. */
unsigned short f_magic ; /* magic number */
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unsigned int f_nscns ; /* number of sections */
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long f_timdat ; /* time & date stamp */
bfd_vma f_symptr ; /* file pointer to symtab */
long f_nsyms ; /* number of symtab entries */
unsigned short f_opthdr ; /* sizeof(optional hdr) */
unsigned short f_flags ; /* flags */
unsigned short f_target_id ; /* (TI COFF specific) */
} ;
/* 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_AR16WR file is 16 - bit little - endian
F_AR32WR file is 32 - bit little - endian
F_AR32W file is 32 - bit big - endian
F_DYNLOAD rs / 6000 aix : dynamically loadable w / imports & exports
F_SHROBJ rs / 6000 aix : file is a shared object
F_DLL PE format DLL
F_GO32STUB Field go32stub contains valid data . */
# define F_RELFLG (0x0001)
# define F_EXEC (0x0002)
# define F_LNNO (0x0004)
# define F_LSYMS (0x0008)
# define F_AR16WR (0x0080)
# define F_AR32WR (0x0100)
# define F_AR32W (0x0200)
# define F_DYNLOAD (0x1000)
# define F_SHROBJ (0x2000)
# define F_DLL (0x2000)
# define F_GO32STUB (0x4000)
/* Extra structure which is used in the optional header. */
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typedef struct _IMAGE_DATA_DIRECTORY
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{
bfd_vma VirtualAddress ;
long Size ;
} IMAGE_DATA_DIRECTORY ;
# define PE_EXPORT_TABLE 0
# define PE_IMPORT_TABLE 1
# define PE_RESOURCE_TABLE 2
# define PE_EXCEPTION_TABLE 3
# define PE_CERTIFICATE_TABLE 4
# define PE_BASE_RELOCATION_TABLE 5
# define PE_DEBUG_DATA 6
# define PE_ARCHITECTURE 7
# define PE_GLOBAL_PTR 8
# define PE_TLS_TABLE 9
# define PE_LOAD_CONFIG_TABLE 10
# define PE_BOUND_IMPORT_TABLE 11
# define PE_IMPORT_ADDRESS_TABLE 12
# define PE_DELAY_IMPORT_DESCRIPTOR 13
# define PE_CLR_RUNTIME_HEADER 14
/* DataDirectory[15] is currently reserved, so no define. */
# define IMAGE_NUMBEROF_DIRECTORY_ENTRIES 16
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/* Extra structure used in debug directory. */
struct internal_IMAGE_DEBUG_DIRECTORY
{
unsigned long Characteristics ;
unsigned long TimeDateStamp ;
unsigned short MajorVersion ;
unsigned short MinorVersion ;
unsigned long Type ;
unsigned long SizeOfData ;
unsigned long AddressOfRawData ;
unsigned long PointerToRawData ;
} ;
# define PE_IMAGE_DEBUG_TYPE_UNKNOWN 0
# define PE_IMAGE_DEBUG_TYPE_COFF 1
# define PE_IMAGE_DEBUG_TYPE_CODEVIEW 2
# define PE_IMAGE_DEBUG_TYPE_FPO 3
# define PE_IMAGE_DEBUG_TYPE_MISC 4
# define PE_IMAGE_DEBUG_TYPE_EXCEPTION 5
# define PE_IMAGE_DEBUG_TYPE_FIXUP 6
# define PE_IMAGE_DEBUG_TYPE_OMAP_TO_SRC 7
# define PE_IMAGE_DEBUG_TYPE_OMAP_FROM_SRC 8
# define PE_IMAGE_DEBUG_TYPE_BORLAND 9
# define PE_IMAGE_DEBUG_TYPE_RESERVED10 10
# define PE_IMAGE_DEBUG_TYPE_CLSID 11
/* Extra structure for a codeview debug record */
# define CV_INFO_SIGNATURE_LENGTH 16
typedef struct _CODEVIEW_INFO
{
unsigned long CVSignature ;
char Signature [ CV_INFO_SIGNATURE_LENGTH ] ;
unsigned int SignatureLength ;
unsigned long Age ;
// char PdbFileName[];
} CODEVIEW_INFO ;
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/* Default image base for NT. */
# define NT_EXE_IMAGE_BASE 0x400000
# define NT_DLL_IMAGE_BASE 0x10000000
/* Default image base for BeOS. */
# define BEOS_EXE_IMAGE_BASE 0x80000000
# define BEOS_DLL_IMAGE_BASE 0x10000000
/* Extra stuff in a PE aouthdr */
# define PE_DEF_SECTION_ALIGNMENT 0x1000
# ifndef PE_DEF_FILE_ALIGNMENT
# define PE_DEF_FILE_ALIGNMENT 0x200
# endif
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struct internal_extra_pe_aouthdr
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{
/* FIXME: The following entries are in AOUTHDR. But they aren't
available internally in bfd . We add them here so that objdump
can dump them . */
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/* The state of the image file. */
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short Magic ;
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/* Linker major version number. */
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char MajorLinkerVersion ;
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/* Linker minor version number. */
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char MinorLinkerVersion ;
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/* Total size of all code sections. */
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long SizeOfCode ;
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/* Total size of all initialized data sections. */
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long SizeOfInitializedData ;
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/* Total size of all uninitialized data sections. */
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long SizeOfUninitializedData ;
/* Address of entry point relative to image base. */
bfd_vma AddressOfEntryPoint ;
/* Address of the first code section relative to image base. */
bfd_vma BaseOfCode ;
/* Address of the first data section relative to image base. */
bfd_vma BaseOfData ;
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/* PE stuff */
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bfd_vma ImageBase ; /* Address of specific location in memory that
file is located , NT default 0x10000 . */
bfd_vma SectionAlignment ; /* Section alignment default 0x1000. */
bfd_vma FileAlignment ; /* File alignment default 0x200. */
short MajorOperatingSystemVersion ; /* Minimum version of the operating. */
short MinorOperatingSystemVersion ; /* System req'd for exe, default to 1. */
short MajorImageVersion ; /* User defineable field to store version of */
short MinorImageVersion ; /* exe or dll being created, default to 0. */
short MajorSubsystemVersion ; /* Minimum subsystem version required to */
short MinorSubsystemVersion ; /* run exe; default to 3.1. */
long Reserved1 ; /* Seems to be 0. */
long SizeOfImage ; /* Size of memory to allocate for prog. */
long SizeOfHeaders ; /* Size of PE header and section table. */
long CheckSum ; /* Set to 0. */
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short Subsystem ;
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/* Type of subsystem exe uses for user interface,
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possible values :
1 - NATIVE Doesn ' t require a subsystem
2 - WINDOWS_GUI runs in Windows GUI subsystem
3 - WINDOWS_CUI runs in Windows char sub . ( console app )
5 - OS2_CUI runs in OS / 2 character subsystem
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7 - POSIX_CUI runs in Posix character subsystem . */
unsigned short DllCharacteristics ; /* flags for DLL init. */
bfd_vma SizeOfStackReserve ; /* Amount of memory to reserve. */
bfd_vma SizeOfStackCommit ; /* Amount of memory initially committed for
initial thread ' s stack , default is 0x1000 . */
bfd_vma SizeOfHeapReserve ; /* Amount of virtual memory to reserve and */
bfd_vma SizeOfHeapCommit ; /* commit, don't know what to defaut it to. */
long LoaderFlags ; /* Can probably set to 0. */
long NumberOfRvaAndSizes ; /* Number of entries in next entry, 16. */
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IMAGE_DATA_DIRECTORY DataDirectory [ IMAGE_NUMBEROF_DIRECTORY_ENTRIES ] ;
} ;
/********************** AOUT "OPTIONAL HEADER" **********************/
struct internal_aouthdr
{
short magic ; /* type of file */
short vstamp ; /* version stamp */
bfd_vma tsize ; /* text size in bytes, padded to FW bdry*/
bfd_vma dsize ; /* initialized data " " */
bfd_vma bsize ; /* uninitialized data " " */
bfd_vma entry ; /* entry pt. */
bfd_vma text_start ; /* base of text used for this file */
bfd_vma data_start ; /* base of data used for this file */
/* i960 stuff */
unsigned long tagentries ; /* number of tag entries to follow */
/* RS/6000 stuff */
bfd_vma o_toc ; /* address of TOC */
short o_snentry ; /* section number for entry point */
short o_sntext ; /* section number for text */
short o_sndata ; /* section number for data */
short o_sntoc ; /* section number for toc */
short o_snloader ; /* section number for loader section */
short o_snbss ; /* section number for bss */
short o_algntext ; /* max alignment for text */
short o_algndata ; /* max alignment for data */
short o_modtype ; /* Module type field, 1R,RE,RO */
short o_cputype ; /* Encoded CPU type */
bfd_vma o_maxstack ; /* max stack size allowed. */
bfd_vma o_maxdata ; /* max data size allowed. */
/* ECOFF stuff */
bfd_vma bss_start ; /* Base of bss section. */
bfd_vma gp_value ; /* GP register value. */
unsigned long gprmask ; /* General registers used. */
unsigned long cprmask [ 4 ] ; /* Coprocessor registers used. */
unsigned long fprmask ; /* Floating pointer registers used. */
/* Apollo stuff */
long o_inlib ; /* inlib data */
long o_sri ; /* Static Resource Information */
long vid [ 2 ] ; /* Version id */
struct internal_extra_pe_aouthdr pe ;
} ;
/********************** STORAGE CLASSES **********************/
/* This used to be defined as -1, but now n_sclass is unsigned. */
# define C_EFCN 0xff /* physical end of function */
# define C_NULL 0
# define C_AUTO 1 /* automatic variable */
# define C_EXT 2 /* external symbol */
# define C_STAT 3 /* static */
# define C_REG 4 /* register variable */
# define C_EXTDEF 5 /* external definition */
# define C_LABEL 6 /* label */
# define C_ULABEL 7 /* undefined label */
# define C_MOS 8 /* member of structure */
# define C_ARG 9 /* function argument */
# define C_STRTAG 10 /* structure tag */
# define C_MOU 11 /* member of union */
# define C_UNTAG 12 /* union tag */
# define C_TPDEF 13 /* type definition */
# define C_USTATIC 14 /* undefined static */
# define C_ENTAG 15 /* enumeration tag */
# define C_MOE 16 /* member of enumeration */
# define C_REGPARM 17 /* register parameter */
# define C_FIELD 18 /* bit field */
# define C_AUTOARG 19 /* auto argument */
# define C_LASTENT 20 /* dummy entry (end of block) */
# define C_BLOCK 100 /* ".bb" or ".eb" */
# define C_FCN 101 /* ".bf" or ".ef" */
# define C_EOS 102 /* end of structure */
# define C_FILE 103 /* file name */
# define C_LINE 104 /* line # reformatted as symbol table entry */
# define C_ALIAS 105 /* duplicate tag */
# define C_HIDDEN 106 /* ext symbol in dmert public lib */
# define C_WEAKEXT 127 /* weak symbol -- GNU extension. */
/* New storage classes for TI COFF */
# define C_UEXT 19 /* Tentative external definition */
# define C_STATLAB 20 /* Static load time label */
# define C_EXTLAB 21 /* External load time label */
# define C_SYSTEM 23 /* System Wide variable */
/* New storage classes for WINDOWS_NT */
# define C_SECTION 104 /* section name */
# define C_NT_WEAK 105 /* weak external */
/* New storage classes for 80960 */
/* C_LEAFPROC is obsolete. Use C_LEAFEXT or C_LEAFSTAT */
# define C_LEAFPROC 108 /* Leaf procedure, "call" via BAL */
# define C_SCALL 107 /* Procedure reachable via system call */
# define C_LEAFEXT 108 /* External leaf */
# define C_LEAFSTAT 113 /* Static leaf */
# define C_OPTVAR 109 /* Optimized variable */
# define C_DEFINE 110 /* Preprocessor #define */
# define C_PRAGMA 111 /* Advice to compiler or linker */
# define C_SEGMENT 112 /* 80960 segment name */
/* Storage classes for m88k */
# define C_SHADOW 107 /* shadow symbol */
# define C_VERSION 108 /* coff version symbol */
/* New storage classes for RS/6000 */
# define C_HIDEXT 107 /* Un-named external symbol */
# define C_BINCL 108 /* Marks beginning of include file */
# define C_EINCL 109 /* Marks ending of include file */
# define C_AIX_WEAKEXT 111 /* AIX definition of C_WEAKEXT. */
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# define C_NULL_VALUE 0x00de1e00 /* Value for a C_NULL deleted entry. */
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# if defined _AIX52 || defined AIX_WEAK_SUPPORT
# undef C_WEAKEXT
# define C_WEAKEXT C_AIX_WEAKEXT
# endif
/* storage classes for stab symbols for RS/6000 */
# define C_GSYM (0x80)
# define C_LSYM (0x81)
# define C_PSYM (0x82)
# define C_RSYM (0x83)
# define C_RPSYM (0x84)
# define C_STSYM (0x85)
# define C_TCSYM (0x86)
# define C_BCOMM (0x87)
# define C_ECOML (0x88)
# define C_ECOMM (0x89)
# define C_DECL (0x8c)
# define C_ENTRY (0x8d)
# define C_FUN (0x8e)
# define C_BSTAT (0x8f)
# define C_ESTAT (0x90)
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# define C_GTLS (0x97)
# define C_STTLS (0x98)
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/* Storage classes for Thumb symbols */
# define C_THUMBEXT (128 + C_EXT) /* 130 */
# define C_THUMBSTAT (128 + C_STAT) /* 131 */
# define C_THUMBLABEL (128 + C_LABEL) /* 134 */
# define C_THUMBEXTFUNC (C_THUMBEXT + 20) /* 150 */
# define C_THUMBSTATFUNC (C_THUMBSTAT + 20) /* 151 */
/* True if XCOFF symbols of class CLASS have auxillary csect information. */
# define CSECT_SYM_P(CLASS) \
( ( CLASS ) = = C_EXT | | ( CLASS ) = = C_AIX_WEAKEXT | | ( CLASS ) = = C_HIDEXT )
/********************** SECTION HEADER **********************/
# define SCNNMLEN (8)
struct internal_scnhdr
{
char s_name [ SCNNMLEN ] ; /* section name */
/* Physical address, aliased s_nlib.
In the pei format , this field is the virtual section size
( the size of the section after being loaded int memory ) ,
NOT the physical address . */
bfd_vma s_paddr ;
bfd_vma s_vaddr ; /* virtual address */
bfd_vma s_size ; /* section size */
bfd_vma s_scnptr ; /* file ptr to raw data for section */
bfd_vma s_relptr ; /* file ptr to relocation */
bfd_vma s_lnnoptr ; /* file ptr to line numbers */
unsigned long s_nreloc ; /* number of relocation entries */
unsigned long s_nlnno ; /* number of line number entries*/
long s_flags ; /* flags */
long s_align ; /* used on I960 */
unsigned char s_page ; /* TI COFF load page */
} ;
/* s_flags "type". */
# define STYP_REG (0x0000) /* "regular": allocated, relocated, loaded */
# define STYP_DSECT (0x0001) /* "dummy": relocated only*/
# define STYP_NOLOAD (0x0002) /* "noload": allocated, relocated, not loaded */
# define STYP_GROUP (0x0004) /* "grouped": formed of input sections */
# define STYP_PAD (0x0008) /* "padding": not allocated, not relocated, loaded */
# define STYP_COPY (0x0010) / * "copy": for decision function used by field update; not allocated, not relocated,
loaded ; reloc & lineno entries processed normally */
# define STYP_TEXT (0x0020) /* section contains text only */
# define S_SHRSEG (0x0020) / * In 3b Update files (output of ogen), sections which appear in SHARED segments of the Pfile
will have the S_SHRSEG flag set by ogen , to inform dufr that updating 1 copy of the proc . will
update all process invocations . */
# define STYP_DATA (0x0040) /* section contains data only */
# define STYP_BSS (0x0080) /* section contains bss only */
# define S_NEWFCN (0x0100) /* In a minimal file or an update file, a new function (as compared with a replaced function) */
# define STYP_INFO (0x0200) /* comment: not allocated not relocated, not loaded */
# define STYP_OVER (0x0400) /* overlay: relocated not allocated or loaded */
# define STYP_LIB (0x0800) /* for .lib: same as INFO */
# define STYP_MERGE (0x2000) /* merge section -- combines with text, data or bss sections only */
# define STYP_REVERSE_PAD (0x4000) / * section will be padded with no-op instructions
wherever padding is necessary and there is a
word of contiguous bytes beginning on a word
boundary . */
# define STYP_LIT 0x8020 /* Literal data (like STYP_TEXT) */
/********************** 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 internal_lineno
{
union
{
bfd_signed_vma l_symndx ; /* function name symbol index, iff l_lnno == 0*/
bfd_signed_vma l_paddr ; /* (physical) address of line number */
} l_addr ;
unsigned long l_lnno ; /* line number */
} ;
/********************** SYMBOLS **********************/
# define SYMNMLEN 8 /* # characters in a symbol name */
# define FILNMLEN 14 /* # characters in a file name */
# define DIMNUM 4 /* # array dimensions in auxiliary entry */
struct internal_syment
{
union
{
char _n_name [ SYMNMLEN ] ; /* old COFF version */
struct
{
bfd_hostptr_t _n_zeroes ; /* new == 0 */
bfd_hostptr_t _n_offset ; /* offset into string table */
} _n_n ;
char * _n_nptr [ 2 ] ; /* allows for overlaying */
} _n ;
bfd_vma n_value ; /* value of symbol */
short n_scnum ; /* section number */
unsigned short n_flags ; /* copy of flags from filhdr */
unsigned short n_type ; /* type and derived type */
unsigned char n_sclass ; /* storage class */
unsigned char n_numaux ; /* number of aux. entries */
} ;
# define n_name _n._n_name
# define n_zeroes _n._n_n._n_zeroes
# define n_offset _n._n_n._n_offset
/* Relocatable symbols have number of the section in which they are defined,
or one of the following : */
# define N_UNDEF ((short)0) /* undefined symbol */
# define N_ABS ((short)-1) /* value of symbol is absolute */
# define N_DEBUG ((short)-2) /* debugging symbol -- value is meaningless */
# define N_TV ((short)-3) /* indicates symbol needs preload transfer vector */
# define P_TV ((short)-4) /* indicates symbol needs postload transfer vector*/
/* Type of a symbol, in low N bits of the word. */
# define T_NULL 0
# define T_VOID 1 /* function argument (only used by compiler) */
# define T_CHAR 2 /* character */
# define T_SHORT 3 /* short integer */
# define T_INT 4 /* integer */
# define T_LONG 5 /* long integer */
# define T_FLOAT 6 /* floating point */
# define T_DOUBLE 7 /* double word */
# define T_STRUCT 8 /* structure */
# define T_UNION 9 /* union */
# define T_ENUM 10 /* enumeration */
# define T_MOE 11 /* member of enumeration*/
# define T_UCHAR 12 /* unsigned character */
# define T_USHORT 13 /* unsigned short */
# define T_UINT 14 /* unsigned integer */
# define T_ULONG 15 /* unsigned long */
# define T_LNGDBL 16 /* long double */
/* Derived types, in n_type. */
# define DT_NON (0) /* no derived type */
# define DT_PTR (1) /* pointer */
# define DT_FCN (2) /* function */
# define DT_ARY (3) /* array */
# define BTYPE(x) ((x) & N_BTMASK)
# define DTYPE(x) (((x) & N_TMASK) >> N_BTSHFT)
# define ISPTR(x) \
( ( ( unsigned long ) ( x ) & N_TMASK ) = = ( ( unsigned long ) DT_PTR < < N_BTSHFT ) )
# define ISFCN(x) \
( ( ( unsigned long ) ( x ) & N_TMASK ) = = ( ( unsigned long ) DT_FCN < < N_BTSHFT ) )
# define ISARY(x) \
( ( ( unsigned long ) ( x ) & N_TMASK ) = = ( ( unsigned long ) DT_ARY < < N_BTSHFT ) )
# define ISTAG(x) \
( ( x ) = = C_STRTAG | | ( x ) = = C_UNTAG | | ( x ) = = C_ENTAG )
# define DECREF(x) \
( ( ( ( x ) > > N_TSHIFT ) & ~ N_BTMASK ) | ( ( x ) & N_BTMASK ) )
union internal_auxent
{
struct
{
union
{
long l ; /* str, un, or enum tag indx */
struct coff_ptr_struct * p ;
} x_tagndx ;
union
{
struct
{
unsigned short x_lnno ; /* declaration line number */
unsigned short x_size ; /* str/union/array size */
} x_lnsz ;
long x_fsize ; /* size of function */
} x_misc ;
union
{
struct
{ /* if ISFCN, tag, or .bb */
bfd_signed_vma x_lnnoptr ; /* ptr to fcn line # */
union
{ /* entry ndx past block end */
long l ;
struct coff_ptr_struct * p ;
} x_endndx ;
} x_fcn ;
struct
{ /* if ISARY, up to 4 dimen. */
unsigned short x_dimen [ DIMNUM ] ;
} x_ary ;
} x_fcnary ;
unsigned short x_tvndx ; /* tv index */
} x_sym ;
union
{
char x_fname [ FILNMLEN ] ;
struct
{
long x_zeroes ;
long x_offset ;
} x_n ;
} x_file ;
struct
{
long x_scnlen ; /* section length */
unsigned short x_nreloc ; /* # relocation entries */
unsigned short x_nlinno ; /* # line numbers */
unsigned long x_checksum ; /* section COMDAT checksum for PE */
unsigned short x_associated ; /* COMDAT associated section index for PE */
unsigned char x_comdat ; /* COMDAT selection number for PE */
} x_scn ;
struct
{
long x_tvfill ; /* tv fill value */
unsigned short x_tvlen ; /* length of .tv */
unsigned short x_tvran [ 2 ] ; /* tv range */
} x_tv ; /* info about .tv section (in auxent of symbol .tv)) */
/******************************************
* RS / 6000 - specific auxent - last auxent for every external symbol
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
struct
{
union
{ /* csect length or enclosing csect */
bfd_signed_vma l ;
struct coff_ptr_struct * p ;
} x_scnlen ;
long x_parmhash ; /* parm type hash index */
unsigned short x_snhash ; /* sect num with parm hash */
unsigned char x_smtyp ; /* symbol align and type */
/* 0-4 - Log 2 of alignment */
/* 5-7 - symbol type */
unsigned char x_smclas ; /* storage mapping class */
long x_stab ; /* dbx stab info index */
unsigned short x_snstab ; /* sect num with dbx stab */
} x_csect ; /* csect definition information */
/* x_smtyp values: */
# define SMTYP_ALIGN(x) ((x) >> 3) /* log2 of alignment */
# define SMTYP_SMTYP(x) ((x) & 0x7) /* symbol type */
/* Symbol type values: */
# define XTY_ER 0 /* External reference */
# define XTY_SD 1 /* Csect definition */
# define XTY_LD 2 /* Label definition */
# define XTY_CM 3 /* .BSS */
# define XTY_EM 4 /* Error message */
# define XTY_US 5 /* "Reserved for internal use" */
/* x_smclas values: */
# define XMC_PR 0 /* Read-only program code */
# define XMC_RO 1 /* Read-only constant */
# define XMC_DB 2 /* Read-only debug dictionary table */
# define XMC_TC 3 /* Read-write general TOC entry */
# define XMC_UA 4 /* Read-write unclassified */
# define XMC_RW 5 /* Read-write data */
# define XMC_GL 6 /* Read-only global linkage */
# define XMC_XO 7 /* Read-only extended operation */
# define XMC_SV 8 /* Read-only supervisor call */
# define XMC_BS 9 /* Read-write BSS */
# define XMC_DS 10 /* Read-write descriptor csect */
# define XMC_UC 11 /* Read-write unnamed Fortran common */
# define XMC_TI 12 /* Read-only traceback index csect */
# define XMC_TB 13 /* Read-only traceback table csect */
/* 14 ??? */
# define XMC_TC0 15 /* Read-write TOC anchor */
# define XMC_TD 16 /* Read-write data in TOC */
/******************************************
* I960 - specific * 2 nd * aux . entry formats
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
struct
{
/* This is a very old typo that keeps getting propagated. */
# define x_stdindx x_stindx
long x_stindx ; /* sys. table entry */
} x_sc ; /* system call entry */
struct
{
unsigned long x_balntry ; /* BAL entry point */
} x_bal ; /* BAL-callable function */
struct
{
unsigned long x_timestamp ; /* time stamp */
char x_idstring [ 20 ] ; /* producer identity string */
} x_ident ; /* Producer ident info */
} ;
/********************** RELOCATION DIRECTIVES **********************/
struct internal_reloc
{
bfd_vma r_vaddr ; /* Virtual address of reference */
long r_symndx ; /* Index into symbol table */
unsigned short r_type ; /* Relocation type */
unsigned char r_size ; /* Used by RS/6000 and ECOFF */
unsigned char r_extern ; /* Used by ECOFF */
unsigned long r_offset ; /* Used by Alpha ECOFF, SPARC, others */
} ;
/* X86-64 relocations. */
# define R_AMD64_ABS 0 /* Reference is absolute, no relocation is necessary. */
# define R_AMD64_DIR64 1 /* 64-bit address (VA). */
# define R_AMD64_DIR32 2 /* 32-bit address (VA) R_DIR32. */
# define R_AMD64_IMAGEBASE 3 /* 32-bit absolute ref w/o base R_IMAGEBASE. */
# define R_AMD64_PCRLONG 4 /* 32-bit relative address from byte following reloc R_PCRLONG. */
# define R_AMD64_PCRLONG_1 5 /* 32-bit relative address from byte distance 1 from reloc. */
# define R_AMD64_PCRLONG_2 6 /* 32-bit relative address from byte distance 2 from reloc. */
# define R_AMD64_PCRLONG_3 7 /* 32-bit relative address from byte distance 3 from reloc. */
# define R_AMD64_PCRLONG_4 8 /* 32-bit relative address from byte distance 4 from reloc. */
# define R_AMD64_PCRLONG_5 9 /* 32-bit relative address from byte distance 5 from reloc. */
# define R_AMD64_SECTION 10 /* Section index. */
# define R_AMD64_SECREL 11 /* 32 bit offset from base of section containing target R_SECREL. */
# define R_AMD64_SECREL7 12 /* 7 bit unsigned offset from base of section containing target. */
# define R_AMD64_TOKEN 13 /* 32 bit metadata token. */
# define R_AMD64_PCRQUAD 14 /* Pseude PC64 relocation - Note: not specified by MS/AMD but need for gas pc-relative 64bit wide relocation generated by ELF. */
/* i386 Relocations. */
# define R_DIR16 1
# define R_REL24 5
# define R_DIR32 6
# define R_IMAGEBASE 7
# define R_SECREL32 11
# define R_RELBYTE 15
# define R_RELWORD 16
# define R_RELLONG 17
# define R_PCRBYTE 18
# define R_PCRWORD 19
# define R_PCRLONG 20
# define R_PCR24 21
# define R_IPRSHORT 24
# define R_IPRLONG 26
# define R_GETSEG 29
# define R_GETPA 30
# define R_TAGWORD 31
# define R_JUMPTARG 32 /* strange 29k 00xx00xx reloc */
# define R_PARTLS16 32
# define R_PARTMS8 33
# define R_PCR16L 128
# define R_PCR26L 129
# define R_VRT16 130
# define R_HVRT16 131
# define R_LVRT16 132
# define R_VRT32 133
/* This reloc identifies mov.b instructions with a 16bit absolute
address . The linker tries to turn insns with this reloc into
an absolute 8 - bit address . */
# define R_MOV16B1 0x41
/* This reloc identifies mov.b instructions which had a 16bit
absolute address which have been shortened into a 8 - bit
absolute address . */
# define R_MOV16B2 0x42
/* This reloc identifies jmp insns with a 16bit target address;
the linker tries to turn these insns into bra insns with
an 8 bit pc - relative target . */
# define R_JMP1 0x43
/* This reloc identifies a bra with an 8-bit pc-relative
target that was formerly a jmp insn with a 16 bit target . */
# define R_JMP2 0x44
/* ??? */
# define R_RELLONG_NEG 0x45
/* This reloc identifies jmp insns with a 24bit target address;
the linker tries to turn these insns into bra insns with
an 8 bit pc - relative target . */
# define R_JMPL1 0x46
/* This reloc identifies a bra with an 8-bit pc-relative
target that was formerly a jmp insn with a 24 bit target . */
# define R_JMPL2 0x47
/* This reloc identifies mov.b instructions with a 24bit absolute
address . The linker tries to turn insns with this reloc into
an absolute 8 - bit address . */
# define R_MOV24B1 0x48
/* This reloc identifies mov.b instructions which had a 24bit
absolute address which have been shortened into a 8 - bit
absolute address . */
# define R_MOV24B2 0x49
/* An h8300 memory indirect jump/call. Forces the address of the jump/call
target into the function vector ( in page zero ) , and the address of the
vector entry to be placed in the jump / call instruction . */
# define R_MEM_INDIRECT 0x4a
/* This reloc identifies a 16bit pc-relative branch target which was
shortened into an 8 bit pc - relative branch target . */
# define R_PCRWORD_B 0x4b
/* This reloc identifies mov.[wl] instructions with a 32/24 bit
absolute address ; the linker may turn this into a mov . [ wl ]
insn with a 16 bit absolute address . */
# define R_MOVL1 0x4c
/* This reloc identifies mov.[wl] insns which formerly had
a 32 / 24 bit absolute address and now have a 16 bit absolute address . */
# define R_MOVL2 0x4d
/* This reloc identifies a bCC:8 which will have it's condition
inverted and its target redirected to the target of the branch
in the following insn . */
# define R_BCC_INV 0x4e
/* This reloc identifies a jmp instruction that has been deleted. */
# define R_JMP_DEL 0x4f
/* Z8k modes */
# define R_IMM16 0x01 /* 16 bit abs */
# define R_JR 0x02 /* jr 8 bit disp */
# define R_IMM4L 0x23 /* low nibble */
# define R_IMM8 0x22 /* 8 bit abs */
# define R_IMM32 R_RELLONG /* 32 bit abs */
# define R_CALL R_DA /* Absolute address which could be a callr */
# define R_JP R_DA /* Absolute address which could be a jp */
# define R_REL16 0x04 /* 16 bit PC rel */
# define R_CALLR 0x05 /* callr 12 bit disp */
# define R_SEG 0x10 /* set if in segmented mode */
# define R_IMM4H 0x24 /* high nibble */
# define R_DISP7 0x25 /* djnz displacement */
/* Z80 modes */
# define R_OFF8 0x32 /* 8 bit signed abs, for (i[xy]+d) */
# define R_IMM24 0x33 /* 24 bit abs */
/* R_JR, R_IMM8, R_IMM16, R_IMM32 - as for Z8k */
/* H8500 modes */
# define R_H8500_IMM8 1 /* 8 bit immediate */
# define R_H8500_IMM16 2 /* 16 bit immediate */
# define R_H8500_PCREL8 3 /* 8 bit pcrel */
# define R_H8500_PCREL16 4 /* 16 bit pcrel */
# define R_H8500_HIGH8 5 /* high 8 bits of 24 bit address */
# define R_H8500_LOW16 7 /* low 16 bits of 24 bit immediate */
# define R_H8500_IMM24 6 /* 24 bit immediate */
# define R_H8500_IMM32 8 /* 32 bit immediate */
# define R_H8500_HIGH16 9 /* high 16 bits of 32 bit immediate */
/* W65 modes */
# define R_W65_ABS8 1 /* addr & 0xff */
# define R_W65_ABS16 2 /* addr & 0xffff */
# define R_W65_ABS24 3 /* addr & 0xffffff */
# define R_W65_ABS8S8 4 /* (addr >> 8) & 0xff */
# define R_W65_ABS8S16 5 /* (addr >> 16) & 0xff */
# define R_W65_ABS16S8 6 /* (addr >> 8) & 0ffff */
# define R_W65_ABS16S16 7 /* (addr >> 16) & 0ffff */
# define R_W65_PCR8 8
# define R_W65_PCR16 9
# define R_W65_DP 10 /* direct page 8 bits only */
# endif /* GNU_COFF_INTERNAL_H */
