--- /dev/null
+/*** coff information for TI TMS320C80 (MVP) */
+
+/********************** 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 */
+ char f_target_id[2]; /* target id (TIc80 specific) */
+};
+
+
+
+#define TIC80_ARCH_MAGIC 0x0C1 /* Goes in the file header magic number field */
+#define TIC80MAGIC 0x108 /* Goes in the optional file header magic number field */
+
+
+#define TIC80BADMAG(x) ((x).f_magic != TIC80_ARCH_MAGIC)
+
+#define FILHDR struct external_filehdr
+#define FILHSZ 22
+
+
+/********************** 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 AOUTHDRSZ 28
+#define AOUTSZ 28
+
+
+
+
+/********************** 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[2]; /* flags */
+ char s_reserved[1]; /* reserved (TIc80 specific) */
+ char s_mempage[1]; /* memory page number (TIc80) */
+};
+
+/*
+ * names of "special" sections
+ */
+#define _TEXT ".text"
+#define _DATA ".data"
+#define _BSS ".bss"
+#define _CINIT ".cinit"
+#define _CONST ".const"
+#define _SWITCH ".switch"
+#define _STACK ".stack"
+#define _SYSMEM ".sysmem"
+
+
+#define SCNHDR struct external_scnhdr
+#define SCNHSZ 40
+
+
+/********************** 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 GET_LINENO_LNNO(abfd, ext) bfd_h_get_16(abfd, (bfd_byte *) (ext->l_lnno));
+#define PUT_LINENO_LNNO(abfd,val, ext) bfd_h_put_16(abfd,val, (bfd_byte *) (ext->l_lnno));
+
+#define LINENO struct external_lineno
+#define LINESZ 6
+
+
+/********************** 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)
+
+/* FIXME - need to correlate with TIc80 Code Generation Tools User's Guide, CG:A-25 */
+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 **********************/
+
+/* The external reloc has an offset field, because some of the reloc
+ types on the h8 don't have room in the instruction for the entire
+ offset - eg the strange jump and high page addressing modes */
+
+struct external_reloc {
+ char r_vaddr[4];
+ char r_symndx[4];
+ char r_reserved[2];
+ char r_type[2];
+};
+
+
+#define RELOC struct external_reloc
+#define RELSZ 12
+
+/* TIc80 relocation types. */
+
+#define R_ABS 0x00 /* Absolute address - no relocation */
+#define R_RELLONGX 0x11 /* PP: 32 bits, direct */
+#define R_PPBASE 0x34 /* PP: Global base address type */
+#define R_PPLBASE 0x35 /* PP: Local base address type */
+#define R_PP15 0x38 /* PP: Global 15 bit offset */
+#define R_PP15W 0x39 /* PP: Global 15 bit offset divided by 4 */
+#define R_PP15H 0x3A /* PP: Global 15 bit offset divided by 2 */
+#define R_PP16B 0x3B /* PP: Global 16 bit offset for bytes */
+#define R_PPL15 0x3C /* PP: Local 15 bit offset */
+#define R_PPL15W 0x3D /* PP: Local 15 bit offset divided by 4 */
+#define R_PPL15H 0x3E /* PP: Local 15 bit offset divided by 2 */
+#define R_PPL16B 0x03 /* PP: Local 16 bit offset for bytes */
+#define R_PPN15 0x40 /* PP: Global 15 bit negative offset */
+#define R_PPN15W 0x41 /* PP: Global 15 bit negative offset divided by 4 */
+#define R_PPN15H 0x42 /* PP: Global 15 bit negative offset divided by 2 */
+#define R_PPN16B 0x43 /* PP: Global 16 bit negative byte offset */
+#define R_PPLN15 0x44 /* PP: Local 15 bit negative offset */
+#define R_PPLN15W 0x45 /* PP: Local 15 bit negative offset divided by 4 */
+#define R_PPLN15H 0x46 /* PP: Local 15 bit negative offset divided by 2 */
+#define R_PPLN16B 0x47 /* PP: Local 16 bit negative byte offset */
+#define R_MPPCR 0x4F /* MP: 32 bit PC-relative divided by 4 */
projects / deliverable / binutils-gdb.git / commitdiff
