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Diffstat (limited to '05/tcc-0.9.25/coff.h')
| -rw-r--r-- | 05/tcc-0.9.25/coff.h | 446 |
1 files changed, 0 insertions, 446 deletions
diff --git a/05/tcc-0.9.25/coff.h b/05/tcc-0.9.25/coff.h deleted file mode 100644 index 38960b4..0000000 --- a/05/tcc-0.9.25/coff.h +++ /dev/null @@ -1,446 +0,0 @@ -/**************************************************************************/ -/* COFF.H */ -/* COFF data structures and related definitions used by the linker */ -/**************************************************************************/ - -/*------------------------------------------------------------------------*/ -/* COFF FILE HEADER */ -/*------------------------------------------------------------------------*/ -struct 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 */ - unsigned short f_TargetID; /* for C6x = 0x0099 */ - }; - -/*------------------------------------------------------------------------*/ -/* File header flags */ -/*------------------------------------------------------------------------*/ -#define F_RELFLG 0x01 /* relocation info stripped from file */ -#define F_EXEC 0x02 /* file is executable (no unresolved refs) */ -#define F_LNNO 0x04 /* line nunbers stripped from file */ -#define F_LSYMS 0x08 /* local symbols stripped from file */ -#define F_GSP10 0x10 /* 34010 version */ -#define F_GSP20 0x20 /* 34020 version */ -#define F_SWABD 0x40 /* bytes swabbed (in names) */ -#define F_AR16WR 0x80 /* byte ordering of an AR16WR (PDP-11) */ -#define F_LITTLE 0x100 /* byte ordering of an AR32WR (vax) */ -#define F_BIG 0x200 /* byte ordering of an AR32W (3B, maxi) */ -#define F_PATCH 0x400 /* contains "patch" list in optional header */ -#define F_NODF 0x400 - -#define F_VERSION (F_GSP10 | F_GSP20) -#define F_BYTE_ORDER (F_LITTLE | F_BIG) -#define FILHDR struct filehdr - -//#define FILHSZ sizeof(FILHDR) -#define FILHSZ 22 // above rounds to align on 4 bytes which causes problems - -#define COFF_C67_MAGIC 0x00c2 - -/*------------------------------------------------------------------------*/ -/* Macros to recognize magic numbers */ -/*------------------------------------------------------------------------*/ -#define ISMAGIC(x) (((unsigned short)(x))==(unsigned short)magic) -#define ISARCHIVE(x) ((((unsigned short)(x))==(unsigned short)ARTYPE)) -#define BADMAGIC(x) (((unsigned short)(x) & 0x8080) && !ISMAGIC(x)) - - -/*------------------------------------------------------------------------*/ -/* OPTIONAL FILE HEADER */ -/*------------------------------------------------------------------------*/ -typedef struct aouthdr { - short magic; /* see magic.h */ - short vstamp; /* version stamp */ - long tsize; /* text size in bytes, padded to FW bdry*/ - long dsize; /* initialized data " " */ - long bsize; /* uninitialized data " " */ - long entrypt; /* entry pt. */ - long text_start; /* base of text used for this file */ - long data_start; /* base of data used for this file */ -} AOUTHDR; - -#define AOUTSZ sizeof(AOUTHDR) - -/*----------------------------------------------------------------------*/ -/* When a UNIX aout header is to be built in the optional header, */ -/* the following magic numbers can appear in that header: */ -/* */ -/* AOUT1MAGIC : default : readonly sharable text segment */ -/* AOUT2MAGIC: : writable text segment */ -/* PAGEMAGIC : : configured for paging */ -/*----------------------------------------------------------------------*/ -#define AOUT1MAGIC 0410 -#define AOUT2MAGIC 0407 -#define PAGEMAGIC 0413 - - -/*------------------------------------------------------------------------*/ -/* COMMON ARCHIVE FILE STRUCTURES */ -/* */ -/* ARCHIVE File Organization: */ -/* _______________________________________________ */ -/* |__________ARCHIVE_MAGIC_STRING_______________| */ -/* |__________ARCHIVE_FILE_MEMBER_1______________| */ -/* | | */ -/* | Archive File Header "ar_hdr" | */ -/* |.............................................| */ -/* | Member Contents | */ -/* | 1. External symbol directory | */ -/* | 2. Text file | */ -/* |_____________________________________________| */ -/* |________ARCHIVE_FILE_MEMBER_2________________| */ -/* | "ar_hdr" | */ -/* |.............................................| */ -/* | Member Contents (.o or text file) | */ -/* |_____________________________________________| */ -/* | . . . | */ -/* | . . . | */ -/* | . . . | */ -/* |_____________________________________________| */ -/* |________ARCHIVE_FILE_MEMBER_n________________| */ -/* | "ar_hdr" | */ -/* |.............................................| */ -/* | Member Contents | */ -/* |_____________________________________________| */ -/* */ -/*------------------------------------------------------------------------*/ - -#define COFF_ARMAG "!<arch>\n" -#define SARMAG 8 -#define ARFMAG "`\n" - -struct ar_hdr /* archive file member header - printable ascii */ -{ - char ar_name[16]; /* file member name - `/' terminated */ - char ar_date[12]; /* file member date - decimal */ - char ar_uid[6]; /* file member user id - decimal */ - char ar_gid[6]; /* file member group id - decimal */ - char ar_mode[8]; /* file member mode - octal */ - char ar_size[10]; /* file member size - decimal */ - char ar_fmag[2]; /* ARFMAG - string to end header */ -}; - - -/*------------------------------------------------------------------------*/ -/* SECTION HEADER */ -/*------------------------------------------------------------------------*/ -struct scnhdr { - char s_name[8]; /* section name */ - long s_paddr; /* physical address */ - 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 int s_nreloc; /* number of relocation entries */ - unsigned int s_nlnno; /* number of line number entries */ - unsigned int s_flags; /* flags */ - unsigned short s_reserved; /* reserved byte */ - unsigned short s_page; /* memory page id */ - }; - -#define SCNHDR struct scnhdr -#define SCNHSZ sizeof(SCNHDR) - -/*------------------------------------------------------------------------*/ -/* Define constants for names of "special" sections */ -/*------------------------------------------------------------------------*/ -//#define _TEXT ".text" -#define _DATA ".data" -#define _BSS ".bss" -#define _CINIT ".cinit" -#define _TV ".tv" - -/*------------------------------------------------------------------------*/ -/* The low 4 bits of s_flags is used as a section "type" */ -/*------------------------------------------------------------------------*/ -#define STYP_REG 0x00 /* "regular" : allocated, relocated, loaded */ -#define STYP_DSECT 0x01 /* "dummy" : not allocated, relocated, not loaded */ -#define STYP_NOLOAD 0x02 /* "noload" : allocated, relocated, not loaded */ -#define STYP_GROUP 0x04 /* "grouped" : formed of input sections */ -#define STYP_PAD 0x08 /* "padding" : not allocated, not relocated, loaded */ -#define STYP_COPY 0x10 /* "copy" : used for C init tables - - not allocated, relocated, - loaded; reloc & lineno - entries processed normally */ -#define STYP_TEXT 0x20 /* section contains text only */ -#define STYP_DATA 0x40 /* section contains data only */ -#define STYP_BSS 0x80 /* section contains bss only */ - -#define STYP_ALIGN 0x100 /* align flag passed by old version assemblers */ -#define ALIGN_MASK 0x0F00 /* part of s_flags that is used for align vals */ -#define ALIGNSIZE(x) (1 << ((x & ALIGN_MASK) >> 8)) - - -/*------------------------------------------------------------------------*/ -/* RELOCATION ENTRIES */ -/*------------------------------------------------------------------------*/ -struct reloc -{ - long r_vaddr; /* (virtual) address of reference */ - short r_symndx; /* index into symbol table */ - unsigned short r_disp; /* additional bits for address calculation */ - unsigned short r_type; /* relocation type */ -}; - -#define RELOC struct reloc -#define RELSZ 10 /* sizeof(RELOC) */ - -/*--------------------------------------------------------------------------*/ -/* define all relocation types */ -/*--------------------------------------------------------------------------*/ - -#define R_ABS 0 /* absolute address - no relocation */ -#define R_DIR16 01 /* UNUSED */ -#define R_REL16 02 /* UNUSED */ -#define R_DIR24 04 /* UNUSED */ -#define R_REL24 05 /* 24 bits, direct */ -#define R_DIR32 06 /* UNUSED */ -#define R_RELBYTE 017 /* 8 bits, direct */ -#define R_RELWORD 020 /* 16 bits, direct */ -#define R_RELLONG 021 /* 32 bits, direct */ -#define R_PCRBYTE 022 /* 8 bits, PC-relative */ -#define R_PCRWORD 023 /* 16 bits, PC-relative */ -#define R_PCRLONG 024 /* 32 bits, PC-relative */ -#define R_OCRLONG 030 /* GSP: 32 bits, one's complement direct */ -#define R_GSPPCR16 031 /* GSP: 16 bits, PC relative (in words) */ -#define R_GSPOPR32 032 /* GSP: 32 bits, direct big-endian */ -#define R_PARTLS16 040 /* Brahma: 16 bit offset of 24 bit address*/ -#define R_PARTMS8 041 /* Brahma: 8 bit page of 24 bit address */ -#define R_PARTLS7 050 /* DSP: 7 bit offset of 16 bit address */ -#define R_PARTMS9 051 /* DSP: 9 bit page of 16 bit address */ -#define R_REL13 052 /* DSP: 13 bits, direct */ - - -/*------------------------------------------------------------------------*/ -/* LINE NUMBER ENTRIES */ -/*------------------------------------------------------------------------*/ -struct lineno -{ - union - { - long l_symndx ; /* sym. table index of function name - iff l_lnno == 0 */ - long l_paddr ; /* (physical) address of line number */ - } l_addr ; - unsigned short l_lnno ; /* line number */ -}; - -#define LINENO struct lineno -#define LINESZ 6 /* sizeof(LINENO) */ - - -/*------------------------------------------------------------------------*/ -/* 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_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 /* dummy sclass for line number entry */ -#define C_ALIAS 105 /* duplicate tag */ -#define C_HIDDEN 106 /* special storage class for external */ - /* symbols in dmert public libraries */ - -/*------------------------------------------------------------------------*/ -/* SYMBOL TABLE ENTRIES */ -/*------------------------------------------------------------------------*/ - -#define SYMNMLEN 8 /* Number of characters in a symbol name */ -#define FILNMLEN 14 /* Number of characters in a file name */ -#define DIMNUM 4 /* Number of array dimensions in auxiliary entry */ - - -struct 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_type; /* type and derived type */ - char n_sclass; /* storage class */ - char n_numaux; /* number of aux. entries */ -}; - -#define n_name _n._n_name -#define n_nptr _n._n_nptr[1] -#define n_zeroes _n._n_n._n_zeroes -#define n_offset _n._n_n._n_offset - -/*------------------------------------------------------------------------*/ -/* Relocatable symbols have a section number of the */ -/* section in which they are defined. Otherwise, section */ -/* numbers have the following meanings: */ -/*------------------------------------------------------------------------*/ -#define N_UNDEF 0 /* undefined symbol */ -#define N_ABS -1 /* value of symbol is absolute */ -#define N_DEBUG -2 /* special debugging symbol */ -#define N_TV (unsigned short)-3 /* needs transfer vector (preload) */ -#define P_TV (unsigned short)-4 /* needs transfer vector (postload) */ - - -/*------------------------------------------------------------------------*/ -/* The fundamental type of a symbol packed into the low */ -/* 4 bits of the word. */ -/*------------------------------------------------------------------------*/ -#define _EF ".ef" - -#define T_NULL 0 /* no type info */ -#define T_ARG 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 */ - -/*------------------------------------------------------------------------*/ -/* derived types are: */ -/*------------------------------------------------------------------------*/ -#define DT_NON 0 /* no derived type */ -#define DT_PTR 1 /* pointer */ -#define DT_FCN 2 /* function */ -#define DT_ARY 3 /* array */ - -#define MKTYPE(basic, d1,d2,d3,d4,d5,d6) \ - ((basic) | ((d1) << 4) | ((d2) << 6) | ((d3) << 8) |\ - ((d4) << 10) | ((d5) << 12) | ((d6) << 14)) - -/*------------------------------------------------------------------------*/ -/* type packing constants and macros */ -/*------------------------------------------------------------------------*/ -#define N_BTMASK_COFF 017 -#define N_TMASK_COFF 060 -#define N_TMASK1_COFF 0300 -#define N_TMASK2_COFF 0360 -#define N_BTSHFT_COFF 4 -#define N_TSHIFT_COFF 2 - -#define BTYPE_COFF(x) ((x) & N_BTMASK_COFF) -#define ISINT(x) (((x) >= T_CHAR && (x) <= T_LONG) || \ - ((x) >= T_UCHAR && (x) <= T_ULONG) || (x) == T_ENUM) -#define ISFLT_COFF(x) ((x) == T_DOUBLE || (x) == T_FLOAT) -#define ISPTR_COFF(x) (((x) & N_TMASK_COFF) == (DT_PTR << N_BTSHFT_COFF)) -#define ISFCN_COFF(x) (((x) & N_TMASK_COFF) == (DT_FCN << N_BTSHFT_COFF)) -#define ISARY_COFF(x) (((x) & N_TMASK_COFF) == (DT_ARY << N_BTSHFT_COFF)) -#define ISTAG_COFF(x) ((x)==C_STRTAG || (x)==C_UNTAG || (x)==C_ENTAG) - -#define INCREF_COFF(x) ((((x)&~N_BTMASK_COFF)<<N_TSHIFT_COFF)|(DT_PTR<<N_BTSHFT_COFF)|(x&N_BTMASK_COFF)) -#define DECREF_COFF(x) ((((x)>>N_TSHIFT_COFF)&~N_BTMASK_COFF)|((x)&N_BTMASK_COFF)) - - -/*------------------------------------------------------------------------*/ -/* AUXILIARY SYMBOL ENTRY */ -/*------------------------------------------------------------------------*/ -union auxent -{ - struct - { - long x_tagndx; /* str, un, or enum tag indx */ - union - { - struct - { - unsigned short x_lnno; /* declaration line number */ - unsigned short x_size; /* str, union, array size */ - } x_lnsz; - long x_fsize; /* size of function */ - } x_misc; - union - { - struct /* if ISFCN, tag, or .bb */ - { - long x_lnnoptr; /* ptr to fcn line # */ - long x_endndx; /* entry ndx past block end */ - } x_fcn; - struct /* if ISARY, up to 4 dimen. */ - { - unsigned short x_dimen[DIMNUM]; - } x_ary; - } x_fcnary; - unsigned short x_regcount; /* number of registers used by func */ - } x_sym; - struct - { - char x_fname[FILNMLEN]; - } x_file; - struct - { - long x_scnlen; /* section length */ - unsigned short x_nreloc; /* number of relocation entries */ - unsigned short x_nlinno; /* number of line numbers */ - } x_scn; -}; - -#define SYMENT struct syment -#define SYMESZ 18 /* sizeof(SYMENT) */ - -#define AUXENT union auxent -#define AUXESZ 18 /* sizeof(AUXENT) */ - -/*------------------------------------------------------------------------*/ -/* NAMES OF "SPECIAL" SYMBOLS */ -/*------------------------------------------------------------------------*/ -#define _STEXT ".text" -#define _ETEXT "etext" -#define _SDATA ".data" -#define _EDATA "edata" -#define _SBSS ".bss" -#define _END "end" -#define _CINITPTR "cinit" - -/*--------------------------------------------------------------------------*/ -/* ENTRY POINT SYMBOLS */ -/*--------------------------------------------------------------------------*/ -#define _START "_start" -#define _MAIN "_main" - /* _CSTART "_c_int00" (defined in params.h) */ - - -#define _TVORIG "_tvorig" -#define _TORIGIN "_torigin" -#define _DORIGIN "_dorigin" - -#define _SORIGIN "_sorigin" |