0,0 → 1,830 |
/* Internal format of COFF object file data structures, for GNU BFD. |
This file is part of BFD, the Binary File Descriptor library. |
|
Copyright 1999, 2000, 2001, 2002, 2003, 2004. 2005, 2006, 2007, 2009, |
2010 Free Software Foundation, Inc. |
|
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 |
the Free Software Foundation; either version 3 of the License, or |
(at your option) any later version. |
|
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. |
|
You should have received a copy of the GNU General Public License |
along with this program; if not, write to the Free Software |
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
MA 02110-1301, USA. */ |
|
#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 */ |
bfd_vma nt_signature; /* required NT signature, 0x4550 */ |
}; |
|
#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. |
|
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 */ |
unsigned short f_nscns; /* number of sections */ |
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. */ |
typedef struct _IMAGE_DATA_DIRECTORY |
{ |
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 |
|
/* 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 |
|
struct internal_extra_pe_aouthdr |
{ |
/* 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. */ |
/* The state of the image file */ |
short Magic; |
/* Linker major version number */ |
char MajorLinkerVersion; |
/* Linker minor version number */ |
char MinorLinkerVersion; |
/* Total size of all code sections */ |
long SizeOfCode; |
/* Total size of all initialized data sections */ |
long SizeOfInitializedData; |
/* Total size of all uninitialized data sections */ |
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; |
|
/* PE stuff */ |
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 */ |
short Subsystem; |
|
/* type of subsystem exe uses for user interface, |
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 |
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 */ |
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 */ |
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/* New storage classes for WINDOWS_NT */ |
#define C_SECTION 104 /* section name */ |
#define C_NT_WEAK 105 /* weak external */ |
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/* New storage classes for 80960 */ |
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/* 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 */ |
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/* Storage classes for m88k */ |
#define C_SHADOW 107 /* shadow symbol */ |
#define C_VERSION 108 /* coff version symbol */ |
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/* 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) |
#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 *2nd* 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 8bit 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 16bit 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 8bit 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 24bit 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 8bit 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 16bit absolute address. */ |
#define R_MOVL1 0x4c |
|
/* This reloc identifies mov.[wl] insns which formerly had |
a 32/24bit absolute address and now have a 16bit 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 */ |