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authorSteve Chamberlain <sac@cygnus>1993-02-04 20:59:55 +0000
committerSteve Chamberlain <sac@cygnus>1993-02-04 20:59:55 +0000
commitff975a2c4c623ab8ae3e66c6a91e3bdb75424924 (patch)
tree0718e2d1fa1a274a75cbffb2ac4c044b602ca2a2 /include
parent4e72fdc05ee9b3cc64e22016735b88d3997c34fe (diff)
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H8/500 support
Diffstat (limited to 'include')
-rw-r--r--include/coff/.Sanitize1
-rw-r--r--include/coff/h8500.h206
2 files changed, 207 insertions, 0 deletions
diff --git a/include/coff/.Sanitize b/include/coff/.Sanitize
index 93905684..2de59e2 100644
--- a/include/coff/.Sanitize
+++ b/include/coff/.Sanitize
@@ -27,6 +27,7 @@ ChangeLog
a29k.h
ecoff-ext.h
h8300.h
+h8500.h
i386.h
i960.h
internal.h
diff --git a/include/coff/h8500.h b/include/coff/h8500.h
new file mode 100644
index 0000000..5f4d584
--- /dev/null
+++ b/include/coff/h8500.h
@@ -0,0 +1,206 @@
+/*** coff information for Hitachi H8/500 */
+
+/********************** 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 */
+};
+
+
+
+#define H8500MAGIC 0x8500
+
+
+#define H8500BADMAG(x) (((x).f_magic!=H8500MAGIC))
+
+#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 AOUTHDRSZ (sizeof(AOUTHDR))
+#define AOUTSZ (sizeof(AOUTHDR))
+
+
+
+
+/********************** 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 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[4]; /* line number */
+};
+
+#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 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 **********************/
+
+/* 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_offset[4];
+ char r_type[2];
+ char r_stuff[2];
+};
+
+
+#define RELOC struct external_reloc
+#define RELSZ 16
+
+#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
+
+
+