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author | K. Richard Pixley <rich@cygnus> | 1992-12-08 04:44:16 +0000 |
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committer | K. Richard Pixley <rich@cygnus> | 1992-12-08 04:44:16 +0000 |
commit | 181ba9ee43a139cd35cd6d6936cf3b780d911a9f (patch) | |
tree | 0c87c2d9e2f775f382888519daa021a38ef5bead /include/internalcoff.h | |
parent | 7b21432fde421b756b8cd4a38d145108abe7e49c (diff) | |
download | gdb-181ba9ee43a139cd35cd6d6936cf3b780d911a9f.zip gdb-181ba9ee43a139cd35cd6d6936cf3b780d911a9f.tar.gz gdb-181ba9ee43a139cd35cd6d6936cf3b780d911a9f.tar.bz2 |
recording file death
Diffstat (limited to 'include/internalcoff.h')
-rwxr-xr-x | include/internalcoff.h | 439 |
1 files changed, 0 insertions, 439 deletions
diff --git a/include/internalcoff.h b/include/internalcoff.h deleted file mode 100755 index 26cd14c..0000000 --- a/include/internalcoff.h +++ /dev/null @@ -1,439 +0,0 @@ -/* Internal format of COFF object file data structures, for GNU BFD. - This file is part of BFD, the Binary File Descriptor library. */ - -/* First, make "signed char" work, even on old compilers. */ -#ifndef signed -#ifndef __STDC__ -#define signed /**/ -#endif -#endif - -/********************** FILE HEADER **********************/ -struct internal_filehdr -{ - unsigned short f_magic; /* magic number */ - unsigned short f_nscns; /* number of sections */ - long f_timdat; /* time & date stamp */ - long 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 */ -}; - -/* 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 - */ - -#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) - -/********************** AOUT "OPTIONAL HEADER" **********************/ -struct internal_aouthdr { - short magic; /* type of file */ - short vstamp; /* version stamp */ - unsigned long tsize; /* text size in bytes, padded to FW bdry*/ - unsigned long dsize; /* initialized data " " */ - unsigned long bsize; /* uninitialized data " " */ - unsigned long entry; /* entry pt. */ - unsigned long text_start; /* base of text used for this file */ - unsigned long data_start; /* base of data used for this file */ - - /* i960 stuff */ - unsigned long tagentries; /* number of tag entries to follow */ - - /* RS/6000 stuff */ - unsigned long 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 */ - unsigned long o_maxstack; /* max stack size allowed. */ -}; - -/********************** STORAGE CLASSES **********************/ - -#define C_EFCN -1 /* 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 */ - - /* 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 */ - - /* 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 */ - - /* storage classes for stab symbols for RS/6000 */ -#define C_GSYM ((signed char)0x80) -#define C_LSYM ((signed char)0x81) -#define C_PSYM ((signed char)0x82) -#define C_RSYM ((signed char)0x83) -#define C_RPSYM ((signed char)0x84) -#define C_STSYM ((signed char)0x85) -#define C_TCSYM ((signed char)0x86) -#define C_BCOMM ((signed char)0x87) -#define C_ECOML ((signed char)0x88) -#define C_ECOMM ((signed char)0x89) -#define C_DECL ((signed char)0x8c) -#define C_ENTRY ((signed char)0x8d) -#define C_FUN ((signed char)0x8e) -#define C_BSTAT ((signed char)0x8f) -#define C_ESTAT ((signed char)0x90) - -/********************** SECTION HEADER **********************/ -struct internal_scnhdr { - char s_name[8]; /* section name */ - long s_paddr; /* physical address, aliased s_nlib */ - long s_vaddr; /* virtual address */ - long s_size; /* section size */ - long s_scnptr; /* file ptr to raw data for section */ - long s_relptr; /* file ptr to relocation */ - long 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 */ -#ifdef I960 - long s_align; -#endif -}; - - -/* - * 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. */ -/********************** 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 { - long l_symndx; /* function name symbol index, iff l_lnno == 0*/ - long 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 { - long _n_zeroes; /* new == 0 */ - long _n_offset; /* offset into string table */ - } _n_n; - char *_n_nptr[2]; /* allows for overlaying */ - } _n; - long 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 */ - signed char n_sclass; /* storage class */ - 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 ISPTR(x) (((x) & N_TMASK) == (DT_PTR << N_BTSHFT)) -#define ISFCN(x) (((x) & N_TMASK) == (DT_FCN << N_BTSHFT)) -#define ISARY(x) (((x) & N_TMASK) == (DT_ARY << N_BTSHFT)) -#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 */ - long 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 */ - } 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 { - long x_scnlen; /* csect length */ - 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 (simulated insn) */ -#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 for TOC addressability */ - - - /****************************************** - * 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 -{ - long r_vaddr; /* Virtual address of reference */ - long r_symndx; /* Index into symbol table */ - unsigned short r_type; /* Relocation type */ - -#if RS6000COFF_C - unsigned char r_size; -#endif - - unsigned short r_offset; - -}; - -#define R_RELBYTE 017 -#define R_RELWORD 020 -#define R_PCRBYTE 022 -#define R_PCRWORD 023 -#define R_PCRLONG 024 - -#define R_DIR32 06 -#define R_PCLONG 020 -#define R_RELBYTE 017 -#define R_RELWORD 020 - -#define R_PCRBYTE 022 -#define R_PCRWORD 023 -#define R_PCRLONG 024 - -#define R_PCR16L 128 -#define R_PCR26L 129 -#define R_VRT16 130 -#define R_HVRT16 131 -#define R_LVRT16 132 -#define R_VRT32 133 -#define R_RELLONG (0x11) /* Direct 32-bit relocation */ -#define R_IPRSHORT (0x18) -#define R_IPRMED (0x19) /* 24-bit ip-relative relocation */ -#define R_IPRLONG (0x1a) -#define R_OPTCALL (0x1b) /* 32-bit optimizable call (leafproc/sysproc) */ -#define R_OPTCALLX (0x1c) /* 64-bit optimizable call (leafproc/sysproc) */ -#define R_GETSEG (0x1d) -#define R_GETPA (0x1e) -#define R_TAGWORD (0x1f) -#define R_JUMPTARG 0x20 /* strange 29k 00xx00xx reloc */ |