--- /dev/null
+/*** coff information for Apollo M68K */
+
+/********************** 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 */
+};
+
+
+/* Motorola 68000/68008/68010/68020 */
+#define MC68MAGIC 0520
+#define MC68KWRMAGIC 0520 /* writeable text segments */
+#define MC68TVMAGIC 0521
+#define MC68KROMAGIC 0521 /* readonly shareable text segments */
+#define MC68KPGMAGIC 0522 /* demand paged text segments */
+#define M68MAGIC 0210
+#define M68TVMAGIC 0211
+
+/* Apollo 68000-based machines have a different magic number. This comes
+ * from /usr/include/apollo/filehdr.h
+ */
+#define APOLLOM68KMAGIC 0627
+
+#define OMAGIC M68MAGIC
+#define M68KBADMAG(x) (((x).f_magic!=MC68MAGIC) && ((x).f_magic!=MC68KWRMAGIC) && ((x).f_magic!=MC68TVMAGIC) && \
+ ((x).f_magic!=MC68KROMAGIC) && ((x).f_magic!=MC68KPGMAGIC) && ((x).f_magic!=M68MAGIC) && ((x).f_magic!=M68TVMAGIC) && \
+ ((x).f_magic!=APOLLOM68KMAGIC) )
+
+
+#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 */
+ char o_sri[4]; /* Apollo specific - .sri data pointer */
+ char o_inlib[4]; /* Apollo specific - .inlib data pointer */
+ char vid[8]; /* Apollo specific - 64 bit version ID */
+}
+AOUTHDR;
+
+#define APOLLO_COFF_VERSION_NUMBER 1 /* the value of the aouthdr magic */
+#define AOUTHDRSZ (sizeof(AOUTHDR))
+#define AOUTSZ (sizeof(AOUTHDR))
+
+
+
+/********************** SECTION HEADER **********************/
+
+struct external_scnhdr {
+ /* Apollo allow for larger section names by allowing it to be in
+ * the string table.
+ */
+ char s_name[8];
+ 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 */
+};
+
+/* If s_zeores is all zeroes, s_offset gives the real location of the name
+ * in the string table.
+ */
+
+#define s_zeroes section_name.s_name
+#define s_offset (section_name.s_name+4)
+
+/*
+ * names of "special" sections
+ */
+#define _TEXT ".text"
+#define _DATA ".data"
+#define _BSS ".bss"
+#define _TV ".tv"
+#define _INIT ".init"
+#define _FINI ".fini"
+#define _LINES ".lines"
+#define _BLOCKS ".blocks"
+#define _SRI ".sri" /* Static Resource Information (systype,
+ et al.) */
+#define _MIR ".mir" /* Module Information Records */
+#define _APTV ".aptv" /* Apollo-style transfer vectors. */
+#define _INLIB ".inlib" /* Shared Library information */
+#define _RWDI ".rwdi" /* Read/write data initialization directives for
+ compressed sections */
+#define _UNWIND ".unwind" /* Stack unwind information */
+
+#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];
+};
+
+
+
+#define N_BTMASK (017)
+#define N_TMASK (060)
+#define N_BTSHFT (4)
+#define N_TSHIFT (2)
+
+
+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
+
+
+
+/********************** RELOCATION DIRECTIVES **********************/
+
+
+struct external_reloc {
+ char r_vaddr[4];
+ char r_symndx[4];
+ char r_type[2];
+#ifdef M68K_COFF_OFFSET
+ char r_offset[4];
+#endif
+
+};
+
+
+#define RELOC struct external_reloc
+
+#define RELSZ sizeof(struct external_reloc)
+
+/* Apollo specific STYP flags */
+
+#define STYP_RELOCATED_NOT_LOADED 0x00010000 /* Section is relocated normally during linking, but need
+ not be loaded during program execution */
+#define STYP_DEBUG 0x00020000 /* debug section */
+#define STYP_OVERLAY 0x00040000 /* Section is overlayed */
+#define STYP_INSTRUCTION 0x00200000 /* Section contains executable code */
+
+#define STYP_ZERO 0x00800000 /* Section is initialized to zero */
+#define STYP_INSTALLED 0x02000000 /* Section should be installable in KGT */
+#define STYP_LOOK_INSTALLED 0x04000000 /* Look for section in KGT */
+#define STYP_SECALIGN1 0x08000000 /* Specially aligned section */
+#define STYP_SECALIGN2 0x10000000 /* " " " */
+#define STYP_COMPRESSED 0x20000000 /* No section data per se (s_scnptr = 0), but there are
+ initialization directives for it in .rwdi section
+ (used in conjunction with STYP_BSS) */
projects / thirdparty / binutils-gdb.git / commitdiff
