forked from Imagelibrary/binutils-gdb
Support for the Z8000
This commit is contained in:
Steve Chamberlain
@@ -38,7 +38,7 @@ mips.h
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rs6000.h
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sym.h
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symconst.h
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z8k.h
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Do-last:
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echo Done in `pwd`.
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@@ -1,9 +1,20 @@
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Tue Aug 25 15:06:49 1992 Steve Chamberlain (sac@thepub.cygnus.com)
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* z8k.h: added z8000 support
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Thu Jul 16 16:32:00 1992 Steve Chamberlain (sac@thepub.cygnus.com)
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* internal.h: added R_RELLONG_NEG reloc type
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Fri Jun 12 20:11:04 1992 John Gilmore (gnu at cygnus.com)
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* symconst.h: Fix unterminated comment.
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Wed Jun 10 07:57:49 1992 Steve Chamberlain (sac@thepub.cygnus.com)
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* i386.h: a.out magic numbers from
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mohring@informatik.tu-muenchen.de
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Mon Jun 8 20:13:33 1992 John Gilmore (gnu at cygnus.com)
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* ecoff-ext.h, mips.h: Use unsigned chars everywhere.
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@@ -417,9 +417,6 @@ struct internal_reloc
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#define R_RELBYTE 017
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#define R_RELWORD 020
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#define R_PCRBYTE 022
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#define R_PCRWORD 023
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#define R_PCRLONG 024
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#define R_PCR16L 128
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@@ -444,3 +441,21 @@ struct internal_reloc
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#define R_JMP1 0x43 /* Special h8 16bit jmp which could be
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pcrel */
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#define R_JMP2 0x44 /* a branch which used to be a jmp */
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#define R_RELLONG_NEG 0x45
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/* Z8k modes */
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#define R_DA 0x01 /* Absolute direct address */
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#define R_CALL 0x02 /* Absolute address which could be a callr */
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#define R_JP 0x03 /* Absolute address which could be a jp */
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#define R_REL16 0x04 /* 16 bit PC rel */
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#define R_CALLR 0x05 /* callr 12 bit disp */
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#define R_JR 0x06 /* jr 8 bit disp */
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#define R_SEG 0x10 /* set if in segmented mode */
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#define R_IMM16 0x20 /* 16 bit abs */
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#define R_IMM32 0x21 /* 32 bit abs */
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#define R_IMM8 0x22 /* 8 bit abs */
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#define R_IMM4L 0x23 /* low nibble */
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#define R_IMM4H 0x24 /* high nibble */
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206
include/coff/z8k.h
Normal file
206
include/coff/z8k.h
Normal file
@@ -0,0 +1,206 @@
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/*** coff information for Zilog Z800N */
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/********************** FILE HEADER **********************/
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struct external_filehdr {
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char f_magic[2]; /* magic number */
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char f_nscns[2]; /* number of sections */
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char f_timdat[4]; /* time & date stamp */
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char f_symptr[4]; /* file pointer to symtab */
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char f_nsyms[4]; /* number of symtab entries */
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char f_opthdr[2]; /* sizeof(optional hdr) */
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char f_flags[2]; /* flags */
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};
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/* Type of cpu is stored in flags */
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#define F_Z8001 0x1000
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#define F_Z8002 0x2000
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#define F_MACHMASK 0xf000
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#define Z8KMAGIC 0x8000
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#define Z8KBADMAG(x) (((x).f_magic!=Z8KMAGIC))
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#define FILHDR struct external_filehdr
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#define FILHSZ sizeof(FILHDR)
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/********************** AOUT "OPTIONAL HEADER" **********************/
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typedef struct
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{
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char magic[2]; /* type of file */
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char vstamp[2]; /* version stamp */
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char tsize[4]; /* text size in bytes, padded to FW bdry*/
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char dsize[4]; /* initialized data " " */
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char bsize[4]; /* uninitialized data " " */
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char entry[4]; /* entry pt. */
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char text_start[4]; /* base of text used for this file */
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char data_start[4]; /* base of data used for this file */
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}
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AOUTHDR;
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#define AOUTHDRSZ (sizeof(AOUTHDR))
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#define AOUTSZ (sizeof(AOUTHDR))
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/********************** SECTION HEADER **********************/
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struct external_scnhdr {
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char s_name[8]; /* section name */
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char s_paddr[4]; /* physical address, aliased s_nlib */
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char s_vaddr[4]; /* virtual address */
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char s_size[4]; /* section size */
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char s_scnptr[4]; /* file ptr to raw data for section */
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char s_relptr[4]; /* file ptr to relocation */
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char s_lnnoptr[4]; /* file ptr to line numbers */
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char s_nreloc[2]; /* number of relocation entries */
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char s_nlnno[2]; /* number of line number entries*/
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char s_flags[4]; /* flags */
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};
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/*
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* names of "special" sections
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*/
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#define _TEXT ".text"
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#define _DATA ".data"
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#define _BSS ".bss"
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#define SCNHDR struct external_scnhdr
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#define SCNHSZ sizeof(SCNHDR)
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/********************** LINE NUMBERS **********************/
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/* 1 line number entry for every "breakpointable" source line in a section.
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* Line numbers are grouped on a per function basis; first entry in a function
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* grouping will have l_lnno = 0 and in place of physical address will be the
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* symbol table index of the function name.
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*/
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struct external_lineno {
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union {
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char l_symndx[4]; /* function name symbol index, iff l_lnno == 0*/
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char l_paddr[4]; /* (physical) address of line number */
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} l_addr;
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char l_lnno[4]; /* line number */
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};
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#define GET_LINENO_LNNO(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) (ext->l_lnno));
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#define PUT_LINENO_LNNO(abfd,val, ext) bfd_h_put_32(abfd,val, (bfd_byte *) (ext->l_lnno));
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#define LINENO struct external_lineno
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#define LINESZ sizeof(LINENO)
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/********************** SYMBOLS **********************/
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#define E_SYMNMLEN 8 /* # characters in a symbol name */
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#define E_FILNMLEN 14 /* # characters in a file name */
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#define E_DIMNUM 4 /* # array dimensions in auxiliary entry */
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struct external_syment
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{
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union {
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char e_name[E_SYMNMLEN];
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struct {
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char e_zeroes[4];
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char e_offset[4];
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} e;
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} e;
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char e_value[4];
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char e_scnum[2];
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char e_type[2];
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char e_sclass[1];
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char e_numaux[1];
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};
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#define N_BTMASK (017)
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#define N_TMASK (060)
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#define N_BTSHFT (4)
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#define N_TSHIFT (2)
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union external_auxent {
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struct {
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char x_tagndx[4]; /* str, un, or enum tag indx */
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union {
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struct {
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char x_lnno[2]; /* declaration line number */
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char x_size[2]; /* str/union/array size */
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} x_lnsz;
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char x_fsize[4]; /* size of function */
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} x_misc;
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union {
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struct { /* if ISFCN, tag, or .bb */
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char x_lnnoptr[4]; /* ptr to fcn line # */
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char x_endndx[4]; /* entry ndx past block end */
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} x_fcn;
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struct { /* if ISARY, up to 4 dimen. */
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char x_dimen[E_DIMNUM][2];
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} x_ary;
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} x_fcnary;
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char x_tvndx[2]; /* tv index */
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} x_sym;
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union {
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char x_fname[E_FILNMLEN];
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struct {
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char x_zeroes[4];
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char x_offset[4];
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} x_n;
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} x_file;
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struct {
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char x_scnlen[4]; /* section length */
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char x_nreloc[2]; /* # relocation entries */
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char x_nlinno[2]; /* # line numbers */
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} x_scn;
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struct {
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char x_tvfill[4]; /* tv fill value */
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char x_tvlen[2]; /* length of .tv */
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char x_tvran[2][2]; /* tv range */
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} x_tv; /* info about .tv section (in auxent of symbol .tv)) */
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};
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#define SYMENT struct external_syment
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#define SYMESZ 18
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#define AUXENT union external_auxent
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#define AUXESZ 18
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/********************** RELOCATION DIRECTIVES **********************/
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/* The external reloc has an offset field, because some of the reloc
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types on the h8 don't have room in the instruction for the entire
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offset - eg the strange jump and high page addressing modes */
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struct external_reloc {
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char r_vaddr[4];
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char r_symndx[4];
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char r_offset[4];
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char r_type[2];
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char r_stuff[2];
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};
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#define RELOC struct external_reloc
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#define RELSZ 16
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#define DEFAULT_DATA_SECTION_ALIGNMENT 4
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#define DEFAULT_BSS_SECTION_ALIGNMENT 4
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#define DEFAULT_TEXT_SECTION_ALIGNMENT 4
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/* For new sections we havn't heard of before */
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#define DEFAULT_SECTION_ALIGNMENT 4
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