6255589afd
* internalcoff.h: took out the M88 dependency in the lineno struct. * coff-m88k.h: defines GET_LINENO_LNNO and PUT_LINENO_LNNO to use 32bit linno entries. * a29k-opcode.h: fixed encoding of mtacc
438 lines
15 KiB
C
Executable File
438 lines
15 KiB
C
Executable File
/********************** 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 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
|
|
|
|
/********************** 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 */
|
|
#ifdef M88
|
|
unsigned long s_nreloc;
|
|
unsigned long s_nlnno;
|
|
#else
|
|
unsigned short s_nreloc; /* number of relocation entries */
|
|
unsigned short s_nlnno; /* number of line number entries*/
|
|
#endif
|
|
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 */
|
|
#if __STDC__
|
|
signed
|
|
#endif
|
|
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
|
|
|
|
#if M88
|
|
unsigned short r_offset;
|
|
#endif
|
|
};
|
|
|
|
#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 */
|