/*** coff information for 88k bcs */
/********************** 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 */
+struct external_filehdr {
+ char f_magic[2]; /* magic number */
+ char f_nscns[2]; /* number of sections */
+ char f_timdat[4]; /* time & date stamp */
+ char f_symptr[4]; /* file pointer to symtab */
+ char f_nsyms[4]; /* number of symtab entries */
+ char f_opthdr[2]; /* sizeof(optional hdr) */
+ char f_flags[2]; /* flags */
};
-/* Bits for f_flags:
- * F_RELFLG relocation info stripped from file
- * F_EXEC file is executable (no unresolved externel references)
- * F_LNNO line nunbers stripped from file
- * F_LSYMS local symbols stripped from file
- * F_AR32WR file has byte ordering of an AR32WR machine (e.g. vax)
- */
-#define F_RELFLG 0000001
-#define F_EXEC 0000002
-#define F_LNNO 0000004
-#define F_LSYMS 0000010
-#define F_AR32WR 0x100
-#define F_AR32W 0x200
-
#define MC88MAGIC 0540 /* 88k BCS executable */
#define MC88DMAGIC 0541 /* DG/UX executable */
#define MC88OMAGIC 0555 /* Object file */
#define MC88BADMAG(x) (((x).f_magic!=MC88MAGIC) &&((x).f_magic!=MC88DMAGIC) && ((x).f_magic != MC88OMAGIC))
-#define FILHDR struct filehdr
+#define FILHDR struct external_filehdr
#define FILHSZ sizeof(FILHDR)
#define PAGEMAGIC3 0414 /* Split i&d, zero mapped */
#define PAGEMAGICBCS 0413
-typedef struct 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 */
-} AOUTHDR;
+typedef struct
+{
+ char magic[2]; /* type of file */
+ char vstamp[2]; /* version stamp */
+ char tsize[4]; /* text size in bytes, padded to FW bdry*/
+ char dsize[4]; /* initialized data " " */
+ char bsize[4]; /* uninitialized data " " */
+ char entry[4]; /* entry pt. */
+ char text_start[4]; /* base of text used for this file */
+ char data_start[4]; /* base of data used for this file */
+}
+AOUTHDR;
/* compute size of a header */
/********************** SECTION HEADER **********************/
-struct 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 */
- long s_nreloc; /* number of relocation entries */
- long s_nlnno; /* number of line number entries*/
- long s_flags; /* flags */
-};
-/*
- * names of "special" sections
- */
-#define _TEXT ".text"
-#define _DATA ".data"
-#define _BSS ".bss"
+struct external_scnhdr
+{
+ char s_name[8]; /* section name */
+ char s_paddr[4]; /* physical address, aliased s_nlib */
+ char s_vaddr[4]; /* virtual address */
+ char s_size[4]; /* section size */
+ char s_scnptr[4]; /* file ptr to raw data for section */
+ char s_relptr[4]; /* file ptr to relocation */
+ char s_lnnoptr[4]; /* file ptr to line numbers */
+ char s_nreloc[4]; /* number of relocation entries */
+ char s_nlnno[4]; /* number of line number entries*/
+ char s_flags[4]; /* flags */
+};
-/*
- * s_flags "type"
- */
-#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 SCNHDR struct scnhdr
+#define SCNHDR struct external_scnhdr
#define SCNHSZ sizeof(SCNHDR)
+/*
+ * names of "special" sections
+ */
+#define _TEXT ".text"
+#define _DATA ".data"
+#define _BSS ".bss"
/********************** LINE NUMBERS **********************/
char l_lnno[4];
-};
-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;
-
- long l_lnno;
-
};
#define LINENO struct external_lineno
/********************** 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 */
+#define E_SYMNMLEN 8 /* # characters in a symbol name */
+#define E_FILNMLEN 14 /* # characters in a file name */
+#define E_DIMNUM 4 /* # array dimensions in auxiliary entry */
struct external_syment
{
union {
- char e_name[SYMNMLEN];
+ char e_name[E_SYMNMLEN];
struct {
char e_zeroes[4];
char e_offset[4];
char pad2[2];
};
-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_type; /* type and derived type */
- char n_sclass; /* storage class */
- char n_numaux; /* number of aux. entries */
-};
-/*
- * Relocatable symbols have number of the section in which they are defined,
- * or one of the following:
- */
-#define N_UNDEF 0 /* undefined symbol */
-#define N_ABS -1 /* value of symbol is absolute */
-#define N_DEBUG -2 /* debugging symbol -- symbol value is meaningless */
-
-/*
- * Type of a symbol, in low 4 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 */
-
-
-
-/*
- * derived types
- */
-#define DT_NON 0
-#define DT_PTR 1 /* pointer */
-#define DT_FCN 2 /* function */
-#define DT_ARY 3 /* array */
#define N_BTMASK 017
#define N_TMASK 060
#define N_BTSHFT 4
#define N_TSHIFT 2
-#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 DECREF(x) ((((x)>>N_TSHIFT)&~N_BTMASK)|((x)&N_BTMASK))
+/* Note that this isn't the same shape as other coffs */
union external_auxent {
- struct {
- char x_tagndx[4]; /* str, un, or enum tag indx */
- union {
- struct {
- char x_lnno[2]; /* declaration line number */
- char x_size[2]; /* str/union/array size */
- } x_lnsz;
- char x_fsize[4]; /* size of function */
- } x_misc;
- union {
- struct { /* if ISFCN, tag, or .bb */
- char x_lnnoptr[4]; /* ptr to fcn line # */
- char x_endndx[4]; /* entry ndx past block end */
- } x_fcn;
- struct { /* if ISARY, up to 4 dimen. */
- char x_dimen[DIMNUM][2];
- } x_ary;
- } x_fcnary;
- char x_tvndx[2]; /* tv index */
- } x_sym;
-
- union {
- char x_fname[FILNMLEN];
- struct {
- char x_zeroes[4];
- char x_offset[4];
- } x_n;
- } x_file;
-
- struct {
- char x_scnlen[4]; /* section length */
- char x_nreloc[2]; /* # relocation entries */
- char x_nlinno[2]; /* # line numbers */
- } x_scn;
-
- struct {
- char x_tvfill[4]; /* tv fill value */
- char x_tvlen[2]; /* length of .tv */
- char x_tvran[2][2]; /* tv range */
- } x_tv; /* info about .tv section (in auxent of symbol .tv)) */
-
-
-};
-union internal_auxent
-{
struct {
- long x_tagndx; /* str, un, or enum tag indx */
+ char x_tagndx[4]; /* str, un, or enum tag indx */
+ /* 4 */
union {
+ char x_fsize[4]; /* size of function */
struct {
- unsigned short x_lnno; /* declaration line number */
- unsigned short x_size; /* str/union/array size */
+ char x_lnno[4]; /* declaration line number */
+ char x_size[4]; /* str/union/array size */
} x_lnsz;
- long x_fsize; /* size of function */
} x_misc;
+ struct { /* if ISFCN, tag, or .bb */
+ char x_lnnoptr[4]; /* ptr to fcn line # */
+ char x_endndx[4]; /* entry ndx past block end */
+ } x_fcn;
+
+ /* 12 */
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];
+ char x_dimen[E_DIMNUM][2];
} x_ary;
} x_fcnary;
- unsigned short x_tvndx; /* tv index */
+ /* 20 */
+
} x_sym;
union {
- char x_fname[FILNMLEN];
+ char x_fname[E_FILNMLEN];
struct {
- long x_zeroes;
- long x_offset;
+ char x_zeroes[4];
+ char x_offset[4];
} x_n;
} x_file;
struct {
- long x_scnlen; /* section length */
- unsigned short x_nreloc; /* # relocation entries */
- unsigned short x_nlinno; /* # line numbers */
+ char x_scnlen[4]; /* section length */
+ char x_nreloc[4]; /* # relocation entries */
+ char x_nlinno[4]; /* # 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 */
+ char x_tvfill[4]; /* tv fill value */
+ char x_tvlen[2]; /* length of .tv */
+ char x_tvran[2][2]; /* tv range */
} x_tv; /* info about .tv section (in auxent of symbol .tv)) */
+
};
+#define GET_FCN_LNNOPTR(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *)ext->x_sym.x_fcn.x_lnnoptr)
+#define GET_FCN_ENDNDX(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_fcn.x_endndx)
+#define PUT_FCN_LNNOPTR(abfd, in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_sym.x_fcn.x_lnnoptr)
+#define PUT_FCN_ENDNDX(abfd, in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_sym.x_fcn.x_endndx)
+#define GET_LNSZ_SIZE(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_misc.x_lnsz.x_size)
+#define GET_LNSZ_LNNO(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_misc.x_lnsz.x_lnno)
+#define PUT_LNSZ_LNNO(abfd, in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_sym.x_misc.x_lnsz.x_lnno)
+#define PUT_LNSZ_SIZE(abfd, in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_sym.x_misc.x_lnsz.x_size)
+#define GET_SCN_SCNLEN(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_scn.x_scnlen)
+#define GET_SCN_NRELOC(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_scn.x_nreloc)
+#define GET_SCN_NLINNO(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_scn.x_nlinno)
+#define PUT_SCN_SCNLEN(abfd,in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_scn.x_scnlen)
+#define PUT_SCN_NRELOC(abfd,in, ext) bfd_h_put_32(abfd, in, (bfd_byte *)ext->x_scn.x_nreloc)
+#define PUT_SCN_NLINNO(abfd,in, ext) bfd_h_put_32(abfd,in, (bfd_byte *) ext->x_scn.x_nlinno)
+#define GET_LINENO_LNNO(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) (ext->l_lnno))
+#define PUT_LINENO_LNNO(abfd,val, ext) bfd_h_put_32(abfd,val, (bfd_byte *) (ext->l_lnno));
+
+
+
#define SYMENT struct external_syment
#define SYMESZ 20
#define AUXENT union external_auxent
char r_offset[2];
};
-struct internal_reloc {
- long r_vaddr; /* Virtual address of reference */
- long r_symndx; /* Index into symbol table */
- unsigned short r_type; /* Relocation type */
- unsigned short r_offset; /* Hi 16 bits of constant */
-};
-
-/* Only values of r_type GNU/88k cares about */
-#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 RELOC struct external_reloc
#define RELSZ 12
#define DEFAULT_SECTION_ALIGNMENT 8 /* double word */
+
+#define NO_TVNDX
projects / binutils.git / blobdiff