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cell-binutils  2.17cvs20070401
internal.h
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00001 /* Internal format of COFF object file data structures, for GNU BFD.
00002    This file is part of BFD, the Binary File Descriptor library.
00003    
00004    Copyright 1999, 2000, 2001, 2002, 2003, 2004. 2005, 2006
00005    Free Software Foundation, Inc.
00006 
00007    This program is free software; you can redistribute it and/or modify
00008    it under the terms of the GNU General Public License as published by
00009    the Free Software Foundation; either version 2 of the License, or
00010    (at your option) any later version.
00011    
00012    This program is distributed in the hope that it will be useful,
00013    but WITHOUT ANY WARRANTY; without even the implied warranty of
00014    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015    GNU General Public License for more details.
00016    
00017    You should have received a copy of the GNU General Public License
00018    along with this program; if not, write to the Free Software
00019    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
00020 
00021 #ifndef GNU_COFF_INTERNAL_H
00022 #define GNU_COFF_INTERNAL_H 1
00023 
00024 /* First, make "signed char" work, even on old compilers. */
00025 #ifndef signed
00026 #ifndef __STDC__
00027 #define       signed               
00028 #endif
00029 #endif
00030 
00031 /********************** FILE HEADER **********************/
00032 
00033 /* extra stuff in a PE header. */
00034 
00035 struct internal_extra_pe_filehdr
00036 {
00037   /* DOS header data follows for PE stuff */
00038   unsigned short e_magic;   /* Magic number, 0x5a4d */
00039   unsigned short e_cblp;    /* Bytes on last page of file, 0x90 */
00040   unsigned short e_cp;             /* Pages in file, 0x3 */
00041   unsigned short e_crlc;    /* Relocations, 0x0 */
00042   unsigned short e_cparhdr; /* Size of header in paragraphs, 0x4 */
00043   unsigned short e_minalloc;       /* Minimum extra paragraphs needed, 0x0 */
00044   unsigned short e_maxalloc;       /* Maximum extra paragraphs needed, 0xFFFF */
00045   unsigned short e_ss;             /* Initial (relative) SS value, 0x0 */
00046   unsigned short e_sp;             /* Initial SP value, 0xb8 */
00047   unsigned short e_csum;    /* Checksum, 0x0 */
00048   unsigned short e_ip;             /* Initial IP value, 0x0 */
00049   unsigned short e_cs;             /* Initial (relative) CS value, 0x0 */
00050   unsigned short e_lfarlc;  /* File address of relocation table, 0x40 */
00051   unsigned short e_ovno;    /* Overlay number, 0x0 */
00052   unsigned short e_res[4];  /* Reserved words, all 0x0 */
00053   unsigned short e_oemid;   /* OEM identifier (for e_oeminfo), 0x0 */
00054   unsigned short e_oeminfo; /* OEM information; e_oemid specific, 0x0 */
00055   unsigned short e_res2[10];       /* Reserved words, all 0x0 */
00056   bfd_vma  e_lfanew;        /* File address of new exe header, 0x80 */
00057   unsigned long dos_message[16]; /* text which always follows dos header */
00058   bfd_vma  nt_signature;    /* required NT signature, 0x4550 */ 
00059 };
00060 
00061 struct internal_filehdr
00062 {
00063   struct internal_extra_pe_filehdr pe;
00064 
00065   /* Standard coff internal info.  */
00066   unsigned short f_magic;   /* magic number                    */
00067   unsigned short f_nscns;   /* number of sections              */
00068   long f_timdat;            /* time & date stamp        */
00069   bfd_vma f_symptr;         /* file pointer to symtab   */
00070   long f_nsyms;                    /* number of symtab entries */
00071   unsigned short f_opthdr;  /* sizeof(optional hdr)            */
00072   unsigned short f_flags;   /* flags                    */
00073   unsigned short f_target_id;      /* (TI COFF specific)              */
00074 };
00075 
00076 
00077 /* Bits for f_flags:
00078        F_RELFLG      relocation info stripped from file
00079        F_EXEC        file is executable (no unresolved external references)
00080        F_LNNO        line numbers stripped from file
00081        F_LSYMS              local symbols stripped from file
00082        F_AR16WR      file is 16-bit little-endian
00083        F_AR32WR      file is 32-bit little-endian
00084        F_AR32W              file is 32-bit big-endian
00085        F_DYNLOAD     rs/6000 aix: dynamically loadable w/imports & exports
00086        F_SHROBJ      rs/6000 aix: file is a shared object
00087         F_DLL           PE format DLL.  */
00088 
00089 #define       F_RELFLG      (0x0001)
00090 #define       F_EXEC        (0x0002)
00091 #define       F_LNNO        (0x0004)
00092 #define       F_LSYMS              (0x0008)
00093 #define       F_AR16WR      (0x0080)
00094 #define       F_AR32WR      (0x0100)
00095 #define       F_AR32W       (0x0200)
00096 #define       F_DYNLOAD     (0x1000)
00097 #define       F_SHROBJ      (0x2000)
00098 #define F_DLL           (0x2000)
00099 
00100 /* Extra structure which is used in the optional header.  */
00101 typedef struct _IMAGE_DATA_DIRECTORY 
00102 {
00103   bfd_vma VirtualAddress;
00104   long    Size;
00105 }  IMAGE_DATA_DIRECTORY;
00106 #define PE_EXPORT_TABLE                   0
00107 #define PE_IMPORT_TABLE                   1
00108 #define PE_RESOURCE_TABLE          2
00109 #define PE_EXCEPTION_TABLE         3
00110 #define PE_CERTIFICATE_TABLE              4
00111 #define PE_BASE_RELOCATION_TABLE   5
00112 #define PE_DEBUG_DATA                     6
00113 #define PE_ARCHITECTURE                   7
00114 #define PE_GLOBAL_PTR                     8
00115 #define PE_TLS_TABLE               9
00116 #define PE_LOAD_CONFIG_TABLE              10
00117 #define PE_BOUND_IMPORT_TABLE             11
00118 #define PE_IMPORT_ADDRESS_TABLE           12
00119 #define PE_DELAY_IMPORT_DESCRIPTOR 13
00120 #define PE_CLR_RUNTIME_HEADER             14
00121 /* DataDirectory[15] is currently reserved, so no define. */
00122 #define IMAGE_NUMBEROF_DIRECTORY_ENTRIES  16
00123 
00124 /* Default image base for NT.  */
00125 #define NT_EXE_IMAGE_BASE 0x400000
00126 #define NT_DLL_IMAGE_BASE 0x10000000
00127 
00128 /* Default image base for BeOS. */
00129 #define BEOS_EXE_IMAGE_BASE 0x80000000
00130 #define BEOS_DLL_IMAGE_BASE 0x10000000
00131 
00132 /* Extra stuff in a PE aouthdr */
00133 
00134 #define PE_DEF_SECTION_ALIGNMENT 0x1000
00135 #ifndef PE_DEF_FILE_ALIGNMENT
00136 # define PE_DEF_FILE_ALIGNMENT 0x200
00137 #endif
00138 
00139 struct internal_extra_pe_aouthdr 
00140 {
00141   /* FIXME: The following entries are in AOUTHDR.  But they aren't
00142      available internally in bfd.  We add them here so that objdump
00143      can dump them.  */
00144   /* The state of the image file  */
00145   short Magic;
00146   /* Linker major version number */
00147   char MajorLinkerVersion;
00148   /* Linker minor version number  */
00149   char MinorLinkerVersion;  
00150   /* Total size of all code sections  */
00151   long SizeOfCode;
00152   /* Total size of all initialized data sections  */
00153   long SizeOfInitializedData;
00154   /* Total size of all uninitialized data sections  */
00155   long SizeOfUninitializedData;
00156   /* Address of entry point relative to image base.  */
00157   bfd_vma AddressOfEntryPoint;
00158   /* Address of the first code section relative to image base.  */
00159   bfd_vma BaseOfCode;
00160   /* Address of the first data section relative to image base.  */
00161   bfd_vma BaseOfData;
00162  
00163   /* PE stuff  */
00164   bfd_vma ImageBase;        /* address of specific location in memory that
00165                                file is located, NT default 0x10000 */
00166 
00167   bfd_vma SectionAlignment; /* section alignment default 0x1000 */
00168   bfd_vma FileAlignment;    /* file alignment default 0x200 */
00169   short   MajorOperatingSystemVersion; /* minimum version of the operating */
00170   short   MinorOperatingSystemVersion; /* system req'd for exe, default to 1*/
00171   short   MajorImageVersion;       /* user defineable field to store version of */
00172   short   MinorImageVersion;       /* exe or dll being created, default to 0 */ 
00173   short   MajorSubsystemVersion; /* minimum subsystem version required to */
00174   short   MinorSubsystemVersion; /* run exe; default to 3.1 */
00175   long    Reserved1;        /* seems to be 0 */
00176   long    SizeOfImage;             /* size of memory to allocate for prog */
00177   long    SizeOfHeaders;    /* size of PE header and section table */
00178   long    CheckSum;         /* set to 0 */
00179   short   Subsystem; 
00180 
00181   /* type of subsystem exe uses for user interface,
00182      possible values:
00183      1 - NATIVE   Doesn't require a subsystem
00184      2 - WINDOWS_GUI runs in Windows GUI subsystem
00185      3 - WINDOWS_CUI runs in Windows char sub. (console app)
00186      5 - OS2_CUI runs in OS/2 character subsystem
00187      7 - POSIX_CUI runs in Posix character subsystem */
00188   short   DllCharacteristics;      /* flags for DLL init, use 0 */
00189   bfd_vma SizeOfStackReserve;      /* amount of memory to reserve  */
00190   bfd_vma SizeOfStackCommit;       /* amount of memory initially committed for 
00191                                initial thread's stack, default is 0x1000 */
00192   bfd_vma SizeOfHeapReserve;       /* amount of virtual memory to reserve and */
00193   bfd_vma SizeOfHeapCommit; /* commit, don't know what to defaut it to */
00194   long    LoaderFlags;             /* can probably set to 0 */
00195   long    NumberOfRvaAndSizes;     /* number of entries in next entry, 16 */
00196   IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES];
00197 };
00198 
00199 /********************** AOUT "OPTIONAL HEADER" **********************/
00200 struct internal_aouthdr
00201 {
00202   short magic;                     /* type of file                           */
00203   short vstamp;                    /* version stamp                   */
00204   bfd_vma tsize;            /* text size in bytes, padded to FW bdry*/
00205   bfd_vma dsize;            /* initialized data "  "           */
00206   bfd_vma bsize;            /* uninitialized data "   "        */
00207   bfd_vma entry;            /* entry pt.                       */
00208   bfd_vma text_start;              /* base of text used for this file */
00209   bfd_vma data_start;              /* base of data used for this file */
00210 
00211   /* i960 stuff */
00212   unsigned long tagentries; /* number of tag entries to follow */
00213 
00214   /* RS/6000 stuff */
00215   bfd_vma o_toc;            /* address of TOC                  */
00216   short o_snentry;          /* section number for entry point */
00217   short o_sntext;           /* section number for text  */
00218   short o_sndata;           /* section number for data  */
00219   short o_sntoc;            /* section number for toc   */
00220   short o_snloader;         /* section number for loader section */
00221   short o_snbss;            /* section number for bss   */
00222   short o_algntext;         /* max alignment for text   */
00223   short o_algndata;         /* max alignment for data   */
00224   short o_modtype;          /* Module type field, 1R,RE,RO     */
00225   short o_cputype;          /* Encoded CPU type         */
00226   bfd_vma o_maxstack;       /* max stack size allowed.  */
00227   bfd_vma o_maxdata; /* max data size allowed.   */
00228 
00229   /* ECOFF stuff */
00230   bfd_vma bss_start;        /* Base of bss section.            */
00231   bfd_vma gp_value;         /* GP register value.              */
00232   unsigned long gprmask;    /* General registers used.  */
00233   unsigned long cprmask[4]; /* Coprocessor registers used.     */
00234   unsigned long fprmask;    /* Floating pointer registers used.  */
00235 
00236   /* Apollo stuff */
00237   long o_inlib;                    /* inlib data */
00238   long o_sri;               /* Static Resource Information */
00239   long vid[2];                     /* Version id */
00240 
00241   struct internal_extra_pe_aouthdr pe;
00242 };
00243 
00244 /********************** STORAGE CLASSES **********************/
00245 
00246 /* This used to be defined as -1, but now n_sclass is unsigned.  */
00247 #define C_EFCN              0xff   /* physical end of function */
00248 #define C_NULL              0
00249 #define C_AUTO              1      /* automatic variable              */
00250 #define C_EXT        2      /* external symbol          */
00251 #define C_STAT              3      /* static                   */
00252 #define C_REG        4      /* register variable        */
00253 #define C_EXTDEF     5      /* external definition             */
00254 #define C_LABEL             6      /* label                    */
00255 #define C_ULABEL     7      /* undefined label          */
00256 #define C_MOS        8      /* member of structure             */
00257 #define C_ARG        9      /* function argument        */
00258 #define C_STRTAG     10     /* structure tag            */
00259 #define C_MOU        11     /* member of union          */
00260 #define C_UNTAG             12     /* union tag                */
00261 #define C_TPDEF             13     /* type definition          */
00262 #define C_USTATIC    14     /* undefined static         */
00263 #define C_ENTAG             15     /* enumeration tag          */
00264 #define C_MOE        16     /* member of enumeration    */
00265 #define C_REGPARM    17     /* register parameter              */
00266 #define C_FIELD             18     /* bit field                */
00267 #define C_AUTOARG    19     /* auto argument            */
00268 #define C_LASTENT    20     /* dummy entry (end of block)      */
00269 #define C_BLOCK             100    /* ".bb" or ".eb"           */
00270 #define C_FCN        101    /* ".bf" or ".ef"           */
00271 #define C_EOS        102    /* end of structure         */
00272 #define C_FILE              103    /* file name                */
00273 #define C_LINE              104    /* line # reformatted as symbol table entry */
00274 #define C_ALIAS             105    /* duplicate tag            */
00275 #define C_HIDDEN     106    /* ext symbol in dmert public lib */
00276 
00277 #if defined _AIX52 || defined AIX_WEAK_SUPPORT
00278 #define C_WEAKEXT    111    /* weak symbol -- AIX standard.  */
00279 #else
00280 #define C_WEAKEXT    127    /* weak symbol -- GNU extension.  */
00281 #endif
00282 
00283 /* New storage classes for TI COFF */
00284 #define C_UEXT              19     /* Tentative external definition */
00285 #define C_STATLAB    20     /* Static load time label */
00286 #define C_EXTLAB     21     /* External load time label */
00287 #define C_SYSTEM     23     /* System Wide variable */
00288 
00289 /* New storage classes for WINDOWS_NT   */
00290 #define C_SECTION       104     /* section name */
00291 #define C_NT_WEAK    105    /* weak external */
00292 
00293  /* New storage classes for 80960 */
00294 
00295 /* C_LEAFPROC is obsolete.  Use C_LEAFEXT or C_LEAFSTAT */
00296 #define C_LEAFPROC   108    /* Leaf procedure, "call" via BAL */
00297 
00298 #define C_SCALL             107    /* Procedure reachable via system call */
00299 #define C_LEAFEXT       108 /* External leaf */
00300 #define C_LEAFSTAT      113 /* Static leaf */
00301 #define C_OPTVAR     109    /* Optimized variable              */
00302 #define C_DEFINE     110    /* Preprocessor #define            */
00303 #define C_PRAGMA     111    /* Advice to compiler or linker    */
00304 #define C_SEGMENT    112    /* 80960 segment name              */
00305 
00306   /* Storage classes for m88k */
00307 #define C_SHADOW        107     /* shadow symbol                */
00308 #define C_VERSION       108     /* coff version symbol          */
00309 
00310  /* New storage classes for RS/6000 */
00311 #define C_HIDEXT        107 /* Un-named external symbol */
00312 #define C_BINCL         108 /* Marks beginning of include file */
00313 #define C_EINCL         109 /* Marks ending of include file */
00314 
00315  /* storage classes for stab symbols for RS/6000 */
00316 #define C_GSYM          (0x80)
00317 #define C_LSYM          (0x81)
00318 #define C_PSYM          (0x82)
00319 #define C_RSYM          (0x83)
00320 #define C_RPSYM         (0x84)
00321 #define C_STSYM         (0x85)
00322 #define C_TCSYM         (0x86)
00323 #define C_BCOMM         (0x87)
00324 #define C_ECOML         (0x88)
00325 #define C_ECOMM         (0x89)
00326 #define C_DECL          (0x8c)
00327 #define C_ENTRY         (0x8d)
00328 #define C_FUN           (0x8e)
00329 #define C_BSTAT         (0x8f)
00330 #define C_ESTAT         (0x90)
00331 
00332 /* Storage classes for Thumb symbols */
00333 #define C_THUMBEXT      (128 + C_EXT)            /* 130 */
00334 #define C_THUMBSTAT     (128 + C_STAT)           /* 131 */
00335 #define C_THUMBLABEL    (128 + C_LABEL)          /* 134 */
00336 #define C_THUMBEXTFUNC  (C_THUMBEXT  + 20)       /* 150 */
00337 #define C_THUMBSTATFUNC (C_THUMBSTAT + 20)       /* 151 */
00338 
00339 /********************** SECTION HEADER **********************/
00340 
00341 #define SCNNMLEN (8)
00342 
00343 struct internal_scnhdr
00344 {
00345   char s_name[SCNNMLEN];    /* section name                    */
00346 
00347   /* Physical address, aliased s_nlib.
00348      In the pei format, this field is the virtual section size
00349      (the size of the section after being loaded int memory),
00350      NOT the physical address.  */
00351   bfd_vma s_paddr;
00352 
00353   bfd_vma s_vaddr;          /* virtual address          */
00354   bfd_vma s_size;           /* section size                    */
00355   bfd_vma s_scnptr;         /* file ptr to raw data for section */
00356   bfd_vma s_relptr;         /* file ptr to relocation   */
00357   bfd_vma s_lnnoptr;        /* file ptr to line numbers */
00358   unsigned long s_nreloc;   /* number of relocation entries    */
00359   unsigned long s_nlnno;    /* number of line number entries*/
00360   long s_flags;                    /* flags                    */
00361   long s_align;                    /* used on I960                    */
00362   unsigned char s_page;         /* TI COFF load page            */
00363 };
00364 
00365 /* s_flags "type".  */
00366 #define STYP_REG      (0x0000)     /* "regular": allocated, relocated, loaded */
00367 #define STYP_DSECT    (0x0001)     /* "dummy":  relocated only*/
00368 #define STYP_NOLOAD   (0x0002)     /* "noload": allocated, relocated, not loaded */
00369 #define STYP_GROUP    (0x0004)     /* "grouped": formed of input sections */
00370 #define STYP_PAD      (0x0008)     /* "padding": not allocated, not relocated, loaded */
00371 #define STYP_COPY     (0x0010)     /* "copy": for decision function used by field update;  not allocated, not relocated,
00372                                                                     loaded; reloc & lineno entries processed normally */
00373 #define STYP_TEXT     (0x0020)     /* section contains text only */
00374 #define S_SHRSEG      (0x0020)     /* In 3b Update files (output of ogen), sections which appear in SHARED segments of the Pfile
00375                                                                     will have the S_SHRSEG flag set by ogen, to inform dufr that updating 1 copy of the proc. will
00376                                                                     update all process invocations. */
00377 #define STYP_DATA     (0x0040)     /* section contains data only */
00378 #define STYP_BSS      (0x0080)     /* section contains bss only */
00379 #define S_NEWFCN      (0x0100)     /* In a minimal file or an update file, a new function (as compared with a replaced function) */
00380 #define STYP_INFO     (0x0200)     /* comment: not allocated not relocated, not loaded */
00381 #define STYP_OVER     (0x0400)     /* overlay: relocated not allocated or loaded */
00382 #define STYP_LIB      (0x0800)     /* for .lib: same as INFO */
00383 #define STYP_MERGE    (0x2000)     /* merge section -- combines with text, data or bss sections only */
00384 #define STYP_REVERSE_PAD (0x4000)  /* section will be padded with no-op instructions
00385                                       wherever padding is necessary and there is a
00386                                       word of contiguous bytes beginning on a word
00387                                       boundary. */
00388 
00389 #define STYP_LIT     0x8020 /* Literal data (like STYP_TEXT) */
00390 
00391 
00392 /********************** LINE NUMBERS **********************/
00393 
00394 /* 1 line number entry for every "breakpointable" source line in a section.
00395    Line numbers are grouped on a per function basis; first entry in a function
00396    grouping will have l_lnno = 0 and in place of physical address will be the
00397    symbol table index of the function name.  */
00398 
00399 struct internal_lineno
00400 {
00401   union
00402   {
00403     bfd_signed_vma l_symndx;              /* function name symbol index, iff l_lnno == 0*/
00404     bfd_signed_vma l_paddr;        /* (physical) address of line number      */
00405   }     l_addr;
00406   unsigned long l_lnno;            /* line number              */
00407 };
00408 
00409 /********************** SYMBOLS **********************/
00410 
00411 #define SYMNMLEN     8      /* # characters in a symbol name   */
00412 #define FILNMLEN     14     /* # characters in a file name            */
00413 #define DIMNUM              4      /* # array dimensions in auxiliary entry */
00414 
00415 struct internal_syment
00416 {
00417   union
00418   {
00419     char _n_name[SYMNMLEN]; /* old COFF version  */
00420     struct
00421     {
00422       long _n_zeroes;              /* new == 0          */
00423       long _n_offset;              /* offset into string table */
00424     }      _n_n;
00425     char *_n_nptr[2];              /* allows for overlaying    */
00426   }     _n;
00427   bfd_vma n_value;                 /* value of symbol          */
00428   short n_scnum;            /* section number           */
00429   unsigned short n_flags;   /* copy of flags from filhdr       */
00430   unsigned short n_type;    /* type and derived type    */
00431   unsigned char n_sclass;   /* storage class            */
00432   unsigned char n_numaux;   /* number of aux. entries   */
00433 };
00434 
00435 #define n_name              _n._n_name
00436 #define n_zeroes     _n._n_n._n_zeroes
00437 #define n_offset     _n._n_n._n_offset
00438 
00439 /* Relocatable symbols have number of the section in which they are defined,
00440    or one of the following:  */
00441 
00442 #define N_UNDEF      ((short)0)    /* undefined symbol */
00443 #define N_ABS ((short)-1)   /* value of symbol is absolute */
00444 #define N_DEBUG      ((short)-2)   /* debugging symbol -- value is meaningless */
00445 #define N_TV  ((short)-3)   /* indicates symbol needs preload transfer vector */
00446 #define P_TV  ((short)-4)   /* indicates symbol needs postload transfer vector*/
00447 
00448 /* Type of a symbol, in low N bits of the word.  */
00449 
00450 #define T_NULL              0
00451 #define T_VOID              1      /* function argument (only used by compiler) */
00452 #define T_CHAR              2      /* character         */
00453 #define T_SHORT             3      /* short integer     */
00454 #define T_INT        4      /* integer           */
00455 #define T_LONG              5      /* long integer             */
00456 #define T_FLOAT             6      /* floating point    */
00457 #define T_DOUBLE     7      /* double word              */
00458 #define T_STRUCT     8      /* structure         */
00459 #define T_UNION             9      /* union             */
00460 #define T_ENUM              10     /* enumeration              */
00461 #define T_MOE        11     /* member of enumeration*/
00462 #define T_UCHAR             12     /* unsigned character       */
00463 #define T_USHORT     13     /* unsigned short    */
00464 #define T_UINT              14     /* unsigned integer  */
00465 #define T_ULONG             15     /* unsigned long     */
00466 #define T_LNGDBL     16     /* long double              */
00467 
00468 /* Derived types, in n_type.  */
00469 
00470 #define DT_NON              (0)    /* no derived type */
00471 #define DT_PTR              (1)    /* pointer */
00472 #define DT_FCN              (2)    /* function */
00473 #define DT_ARY              (3)    /* array */
00474 
00475 #define BTYPE(x)     ((x) & N_BTMASK)
00476 #define DTYPE(x)     (((x) & N_TMASK) >> N_BTSHFT)
00477 
00478 #define ISPTR(x) \
00479   (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_PTR << N_BTSHFT))
00480 #define ISFCN(x) \
00481   (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_FCN << N_BTSHFT))
00482 #define ISARY(x) \
00483   (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_ARY << N_BTSHFT))
00484 #define ISTAG(x) \
00485   ((x) == C_STRTAG || (x) == C_UNTAG || (x) == C_ENTAG)
00486 #define DECREF(x) \
00487   ((((x) >> N_TSHIFT) & ~ N_BTMASK) | ((x) & N_BTMASK))
00488 
00489 union internal_auxent
00490 {
00491   struct
00492   {
00493 
00494     union
00495     {
00496       long l;               /* str, un, or enum tag indx */
00497       struct coff_ptr_struct *p;
00498     }     x_tagndx;
00499 
00500     union
00501     {
00502       struct
00503       {
00504        unsigned short x_lnno;      /* declaration line number */
00505        unsigned short x_size;      /* str/union/array size */
00506       }      x_lnsz;
00507       long x_fsize;         /* size of function */
00508     }     x_misc;
00509 
00510     union
00511     {
00512       struct
00513       {                            /* if ISFCN, tag, or .bb */
00514        bfd_signed_vma x_lnnoptr;          /* ptr to fcn line # */
00515        union
00516        {                    /* entry ndx past block end */
00517          long l;
00518          struct coff_ptr_struct *p;
00519        }     x_endndx;
00520       }      x_fcn;
00521 
00522       struct
00523       {                            /* if ISARY, up to 4 dimen. */
00524        unsigned short x_dimen[DIMNUM];
00525       }      x_ary;
00526     }     x_fcnary;
00527 
00528     unsigned short x_tvndx; /* tv index */
00529   }      x_sym;
00530 
00531   union
00532   {
00533     char x_fname[FILNMLEN];
00534     struct
00535     {
00536       long x_zeroes;
00537       long x_offset;
00538     }      x_n;
00539   }     x_file;
00540 
00541   struct
00542   {
00543     long x_scnlen;          /* section length */
00544     unsigned short x_nreloc;       /* # relocation entries */
00545     unsigned short x_nlinno;       /* # line numbers */
00546     unsigned long x_checksum;      /* section COMDAT checksum for PE */
00547     unsigned short x_associated; /* COMDAT associated section index for PE */
00548     unsigned char x_comdat; /* COMDAT selection number for PE */
00549   }      x_scn;
00550 
00551   struct
00552   {
00553     long x_tvfill;          /* tv fill value */
00554     unsigned short x_tvlen; /* length of .tv */
00555     unsigned short x_tvran[2];     /* tv range */
00556   }      x_tv;                     /* info about .tv section (in auxent of symbol .tv)) */
00557 
00558   /******************************************
00559    * RS/6000-specific auxent - last auxent for every external symbol
00560    ******************************************/
00561   struct
00562   {
00563     union
00564       {                            /* csect length or enclosing csect */
00565        bfd_signed_vma l;
00566        struct coff_ptr_struct *p;
00567       } x_scnlen;
00568     long x_parmhash;        /* parm type hash index */
00569     unsigned short x_snhash;       /* sect num with parm hash */
00570     unsigned char x_smtyp;  /* symbol align and type */
00571     /* 0-4 - Log 2 of alignment */
00572     /* 5-7 - symbol type */
00573     unsigned char x_smclas; /* storage mapping class */
00574     long x_stab;            /* dbx stab info index */
00575     unsigned short x_snstab;       /* sect num with dbx stab */
00576   }      x_csect;           /* csect definition information */
00577 
00578 /* x_smtyp values:  */
00579 
00580 #define       SMTYP_ALIGN(x)       ((x) >> 3)    /* log2 of alignment */
00581 #define       SMTYP_SMTYP(x)       ((x) & 0x7)   /* symbol type */
00582 /* Symbol type values:  */
00583 #define       XTY_ER 0             /* External reference */
00584 #define       XTY_SD 1             /* Csect definition */
00585 #define       XTY_LD 2             /* Label definition */
00586 #define XTY_CM       3             /* .BSS */
00587 #define       XTY_EM 4             /* Error message */
00588 #define       XTY_US 5             /* "Reserved for internal use" */
00589 
00590 /* x_smclas values:  */
00591 
00592 #define       XMC_PR 0             /* Read-only program code */
00593 #define       XMC_RO 1             /* Read-only constant */
00594 #define       XMC_DB 2             /* Read-only debug dictionary table */
00595 #define       XMC_TC 3             /* Read-write general TOC entry */
00596 #define       XMC_UA 4             /* Read-write unclassified */
00597 #define       XMC_RW 5             /* Read-write data */
00598 #define       XMC_GL 6             /* Read-only global linkage */
00599 #define       XMC_XO 7             /* Read-only extended operation */
00600 #define       XMC_SV 8             /* Read-only supervisor call */
00601 #define       XMC_BS 9             /* Read-write BSS */
00602 #define       XMC_DS 10            /* Read-write descriptor csect */
00603 #define       XMC_UC 11            /* Read-write unnamed Fortran common */
00604 #define       XMC_TI 12            /* Read-only traceback index csect */
00605 #define       XMC_TB 13            /* Read-only traceback table csect */
00606 /*            14     ??? */
00607 #define       XMC_TC0       15            /* Read-write TOC anchor */
00608 #define XMC_TD       16            /* Read-write data in TOC */
00609 
00610   /******************************************
00611    *  I960-specific *2nd* aux. entry formats
00612    ******************************************/
00613   struct
00614   {
00615     /* This is a very old typo that keeps getting propagated. */
00616 #define x_stdindx x_stindx
00617     long x_stindx;          /* sys. table entry */
00618   }      x_sc;                     /* system call entry */
00619 
00620   struct
00621   {
00622     unsigned long x_balntry;       /* BAL entry point */
00623   }      x_bal;                    /* BAL-callable function */
00624 
00625   struct
00626   {
00627     unsigned long x_timestamp;     /* time stamp */
00628     char x_idstring[20];    /* producer identity string */
00629   }      x_ident;           /* Producer ident info */
00630 
00631 };
00632 
00633 /********************** RELOCATION DIRECTIVES **********************/
00634 
00635 struct internal_reloc
00636 {
00637   bfd_vma r_vaddr;          /* Virtual address of reference */
00638   long r_symndx;            /* Index into symbol table  */
00639   unsigned short r_type;    /* Relocation type          */
00640   unsigned char r_size;            /* Used by RS/6000 and ECOFF       */
00641   unsigned char r_extern;   /* Used by ECOFF            */
00642   unsigned long r_offset;   /* Used by Alpha ECOFF, SPARC, others */
00643 };
00644 
00645 /* X86-64 relocations.  */
00646 #define R_AMD64_ABS          0 /* Reference is absolute, no relocation is necessary.  */
00647 #define R_AMD64_DIR64               1 /* 64-bit address (VA).  */
00648 #define R_AMD64_DIR32               2 /* 32-bit address (VA) R_DIR32.  */
00649 #define R_AMD64_IMAGEBASE    3 /* 32-bit absolute ref w/o base R_IMAGEBASE.  */
00650 #define R_AMD64_PCRLONG             4 /* 32-bit relative address from byte following reloc R_PCRLONG.  */
00651 #define R_AMD64_PCRLONG_1    5 /* 32-bit relative address from byte distance 1 from reloc.  */
00652 #define R_AMD64_PCRLONG_2    6 /* 32-bit relative address from byte distance 2 from reloc.  */
00653 #define R_AMD64_PCRLONG_3    7 /* 32-bit relative address from byte distance 3 from reloc.  */
00654 #define R_AMD64_PCRLONG_4    8 /* 32-bit relative address from byte distance 4 from reloc.  */
00655 #define R_AMD64_PCRLONG_5    9 /* 32-bit relative address from byte distance 5 from reloc.  */
00656 #define R_AMD64_SECTION            10 /* Section index.  */
00657 #define R_AMD64_SECREL             11 /* 32 bit offset from base of section containing target R_SECREL.  */
00658 #define R_AMD64_SECREL7            12 /* 7 bit unsigned offset from base of section containing target.  */
00659 #define R_AMD64_TOKEN              13 /* 32 bit metadata token.  */
00660 #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.  */
00661 
00662 /* i386 Relocations.  */
00663 
00664 #define R_DIR16       1
00665 #define R_REL24          5
00666 #define R_DIR32       6
00667 #define R_IMAGEBASE   7
00668 #define R_SECREL32   11
00669 #define R_RELBYTE    15
00670 #define R_RELWORD    16
00671 #define R_RELLONG    17
00672 #define R_PCRBYTE    18
00673 #define R_PCRWORD    19
00674 #define R_PCRLONG    20
00675 #define R_PCR24         21
00676 #define R_IPRSHORT   24
00677 #define R_IPRLONG    26
00678 #define R_GETSEG     29
00679 #define R_GETPA      30
00680 #define R_TAGWORD    31
00681 #define R_JUMPTARG   32     /* strange 29k 00xx00xx reloc */
00682 #define R_PARTLS16      32
00683 #define R_PARTMS8       33
00684 
00685 #define R_PCR16L       128
00686 #define R_PCR26L       129
00687 #define R_VRT16        130
00688 #define R_HVRT16       131
00689 #define R_LVRT16       132
00690 #define R_VRT32        133
00691 
00692 
00693 /* This reloc identifies mov.b instructions with a 16bit absolute
00694    address.  The linker tries to turn insns with this reloc into
00695    an absolute 8-bit address.  */
00696 #define R_MOV16B1           0x41
00697 
00698 /* This reloc identifies mov.b instructions which had a 16bit
00699    absolute address which have been shortened into a 8-bit
00700    absolute address.  */
00701 #define R_MOV16B2    0x42
00702 
00703 /* This reloc identifies jmp insns with a 16bit target address;
00704    the linker tries to turn these insns into bra insns with
00705    an 8bit pc-relative target.  */
00706 #define R_JMP1       0x43
00707 
00708 /* This reloc identifies a bra with an 8-bit pc-relative
00709    target that was formerly a jmp insn with a 16bit target.  */
00710 #define R_JMP2              0x44
00711 
00712 /* ??? */
00713 #define R_RELLONG_NEG       0x45
00714 
00715 /* This reloc identifies jmp insns with a 24bit target address;
00716    the linker tries to turn these insns into bra insns with
00717    an 8bit pc-relative target.  */
00718 #define R_JMPL1      0x46
00719 
00720 /* This reloc identifies a bra with an 8-bit pc-relative
00721    target that was formerly a jmp insn with a 24bit target.  */
00722 #define R_JMPL2             0x47
00723 
00724 /* This reloc identifies mov.b instructions with a 24bit absolute
00725    address.  The linker tries to turn insns with this reloc into
00726    an absolute 8-bit address.  */
00727 
00728 #define R_MOV24B1           0x48
00729 
00730 /* This reloc identifies mov.b instructions which had a 24bit
00731    absolute address which have been shortened into a 8-bit
00732    absolute address.  */
00733 #define R_MOV24B2    0x49
00734 
00735 /* An h8300 memory indirect jump/call.  Forces the address of the jump/call
00736    target into the function vector (in page zero), and the address of the
00737    vector entry to be placed in the jump/call instruction.  */
00738 #define R_MEM_INDIRECT      0x4a
00739 
00740 /* This reloc identifies a 16bit pc-relative branch target which was
00741    shortened into an 8bit pc-relative branch target.  */
00742 #define R_PCRWORD_B  0x4b
00743 
00744 /* This reloc identifies mov.[wl] instructions with a 32/24 bit
00745    absolute address; the linker may turn this into a mov.[wl]
00746    insn with a 16bit absolute address.  */
00747 #define R_MOVL1      0x4c
00748 
00749 /* This reloc identifies mov.[wl] insns which formerly had
00750    a 32/24bit absolute address and now have a 16bit absolute address.  */
00751 #define R_MOVL2      0x4d
00752 
00753 /* This reloc identifies a bCC:8 which will have it's condition
00754    inverted and its target redirected to the target of the branch
00755    in the following insn.  */
00756 #define R_BCC_INV    0x4e
00757 
00758 /* This reloc identifies a jmp instruction that has been deleted.  */
00759 #define R_JMP_DEL    0x4f
00760 
00761 /* Z8k modes */
00762 #define R_IMM16   0x01             /* 16 bit abs */
00763 #define R_JR    0x02        /* jr  8 bit disp */
00764 #define R_IMM4L   0x23             /* low nibble */
00765 #define R_IMM8    0x22             /* 8 bit abs */
00766 #define R_IMM32   R_RELLONG /* 32 bit abs */
00767 #define R_CALL    R_DA             /* Absolute address which could be a callr */
00768 #define R_JP    R_DA        /* Absolute address which could be a jp */
00769 #define R_REL16   0x04             /* 16 bit PC rel */
00770 #define R_CALLR        0x05        /* callr 12 bit disp */
00771 #define R_SEG     0x10             /* set if in segmented mode */
00772 #define R_IMM4H   0x24             /* high nibble */
00773 #define R_DISP7   0x25          /* djnz displacement */
00774 
00775 /* Z80 modes */
00776 #define R_OFF8    0x32             /* 8 bit signed abs, for (i[xy]+d) */
00777 #define R_IMM24   0x33          /* 24 bit abs */
00778 /* R_JR, R_IMM8, R_IMM16, R_IMM32 - as for Z8k */
00779 
00780 /* H8500 modes */
00781 
00782 #define R_H8500_IMM8        1             /*  8 bit immediate  */
00783 #define R_H8500_IMM16       2             /* 16 bit immediate  */
00784 #define R_H8500_PCREL8      3             /*  8 bit pcrel      */
00785 #define R_H8500_PCREL16 4          /* 16 bit pcrel      */
00786 #define R_H8500_HIGH8       5             /* high 8 bits of 24 bit address */
00787 #define R_H8500_LOW16       7             /* low 16 bits of 24 bit immediate */
00788 #define R_H8500_IMM24       6             /* 24 bit immediate */
00789 #define R_H8500_IMM32   8               /* 32 bit immediate */
00790 #define R_H8500_HIGH16  9          /* high 16 bits of 32 bit immediate */
00791 
00792 /* W65 modes */
00793 
00794 #define R_W65_ABS8   1  /* addr & 0xff           */
00795 #define R_W65_ABS16  2  /* addr & 0xffff         */
00796 #define R_W65_ABS24  3  /* addr & 0xffffff              */
00797 
00798 #define R_W65_ABS8S8    4  /* (addr >> 8) & 0xff        */
00799 #define R_W65_ABS8S16   5  /* (addr >> 16) & 0xff       */
00800 
00801 #define R_W65_ABS16S8   6  /* (addr >> 8) & 0ffff       */
00802 #define R_W65_ABS16S16  7  /* (addr >> 16) & 0ffff      */
00803 
00804 #define R_W65_PCR8   8
00805 #define R_W65_PCR16  9
00806 
00807 #define R_W65_DP       10  /* direct page 8 bits only   */
00808 
00809 #endif /* GNU_COFF_INTERNAL_H */