--- /dev/null
+/*** coff information for we32k */
+
+/********************** FILE HEADER **********************/
+
+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 external references)
+ * F_LNNO line numbers 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 (0x0001)
+#define F_EXEC (0x0002)
+#define F_LNNO (0x0004)
+#define F_LSYMS (0x0008)
+#define F_BM32B (0020000)
+#define F_BM32MAU (0040000)
+
+#define WE32KMAGIC 0x170 /* we32k sans transfer vector */
+#define FBOMAGIC 0x170 /* we32k sans transfer vector */
+#define MTVMAGIC 0x171 /* we32k with transfer vector */
+#define RBOMAGIC 0x172 /* reserved */
+#define WE32KBADMAG(x) (((x).f_magic != WE32KMAGIC) \
+ && ((x).f_magic != FBOMAGIC) \
+ && ((x).f_magic != RBOMAGIC) \
+ && ((x).f_magic != MTVMAGIC))
+
+#define FILHDR struct external_filehdr
+#define FILHSZ sizeof(FILHDR)
+
+
+/********************** AOUT "OPTIONAL HEADER" **********************/
+
+
+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;
+
+#define AOUTSZ (sizeof(AOUTHDR))
+
+
+/********************** 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 */
+
+/********************** SECTION HEADER **********************/
+
+
+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[2]; /* number of relocation entries */
+ char s_nlnno[2]; /* number of line number entries*/
+ char s_flags[4]; /* flags */
+};
+
+/*
+ * names of "special" sections
+ */
+#define _TEXT ".text"
+#define _DATA ".data"
+#define _BSS ".bss"
+#define _TV ".tv"
+#define _INIT ".init"
+#define _FINI ".fini"
+
+/*
+ * 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 SCNHDR struct external_scnhdr
+#define SCNHSZ sizeof(SCNHDR)
+
+
+/********************** 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 external_lineno {
+ union {
+ char l_symndx[4]; /* function name symbol index, iff l_lnno == 0*/
+ char l_paddr[4]; /* (physical) address of line number */
+ } l_addr;
+ char l_lnno[2]; /* line number */
+};
+
+
+#define LINENO struct external_lineno
+#define LINESZ sizeof(LINENO)
+
+
+/********************** SYMBOLS **********************/
+
+#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[E_SYMNMLEN];
+ struct {
+ char e_zeroes[4];
+ char e_offset[4];
+ } e;
+ } e;
+ char e_value[4];
+ char e_scnum[2];
+ char e_type[2];
+ char e_sclass[1];
+ char e_numaux[1];
+};
+
+/*
+ * 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 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 */
+#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 N_BTMASK (0xf)
+#define N_TMASK (0x30)
+#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))
+
+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[E_DIMNUM][2];
+ } x_ary;
+ } x_fcnary;
+ char x_tvndx[2]; /* tv index */
+ } x_sym;
+
+ union {
+ char x_fname[E_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)) */
+
+
+};
+
+#define SYMENT struct external_syment
+#define SYMESZ 18
+#define AUXENT union external_auxent
+#define AUXESZ 18
+
+
+# define _ETEXT "etext"
+
+
+/********************** RELOCATION DIRECTIVES **********************/
+
+
+
+struct external_reloc {
+ char r_vaddr[4];
+ char r_symndx[4];
+ char r_type[2];
+};
+
+
+#define RELOC struct external_reloc
+#define RELSZ sizeof(RELOC)
+
+#define DEFAULT_DATA_SECTION_ALIGNMENT 4
+#define DEFAULT_BSS_SECTION_ALIGNMENT 4
+#define DEFAULT_TEXT_SECTION_ALIGNMENT 4
+/* For new sections we havn't heard of before */
+#define DEFAULT_SECTION_ALIGNMENT 4
projects / binutils-gdb.git / commitdiff