Support for the Z8000

4 files changed, 237 insertions, 5 deletions

diff --git a/include/coff/.Sanitize b/include/coff/.Sanitize
index 324a398..cf1f0e1 100644
--- a/include/coff/.Sanitize
+++ b/include/coff/.Sanitize
@@ -38,7 +38,7 @@ mips.h
 rs6000.h
 sym.h
 symconst.h
-
+z8k.h
 Do-last:
 
 echo Done in `pwd`.
diff --git a/include/coff/ChangeLog b/include/coff/ChangeLog
index 90665ba..2dade78 100644
--- a/include/coff/ChangeLog
+++ b/include/coff/ChangeLog
@@ -1,9 +1,20 @@
+Tue Aug 25 15:06:49 1992  Steve Chamberlain  (sac@thepub.cygnus.com)
+
+	* z8k.h: added z8000 support
+
+Thu Jul 16 16:32:00 1992  Steve Chamberlain  (sac@thepub.cygnus.com)
+
+	* internal.h: added R_RELLONG_NEG reloc type
+
+Fri Jun 12 20:11:04 1992  John Gilmore  (gnu at cygnus.com)
+
+	* symconst.h:  Fix unterminated comment.
+
 Wed Jun 10 07:57:49 1992  Steve Chamberlain  (sac@thepub.cygnus.com)
 
 	* i386.h: a.out magic numbers from
 	mohring@informatik.tu-muenchen.de
 
-
 Mon Jun  8 20:13:33 1992  John Gilmore  (gnu at cygnus.com)
 
 	* ecoff-ext.h, mips.h:  Use unsigned chars everywhere.
diff --git a/include/coff/internal.h b/include/coff/internal.h
index 62820df..be1316a 100644
--- a/include/coff/internal.h
+++ b/include/coff/internal.h
@@ -417,9 +417,6 @@ struct internal_reloc
 #define R_RELBYTE	017
 #define R_RELWORD	020
 
-#define R_PCRBYTE	022
-#define R_PCRWORD	023
-#define R_PCRLONG	024
 
 
 #define R_PCR16L 128
@@ -444,3 +441,21 @@ struct internal_reloc
 #define R_JMP1     0x43    /* Special h8 16bit jmp which could be
 			      pcrel */
 #define R_JMP2 0x44 /* a branch which used to be a jmp */
+#define R_RELLONG_NEG  0x45
+
+
+/* Z8k modes */
+#define R_DA	  0x01	/* Absolute direct address */
+#define R_CALL    0x02  /* Absolute address which could be a callr */
+#define R_JP	  0x03  /* Absolute address which could be a jp */
+#define R_REL16   0x04  /* 16 bit PC rel */
+
+#define R_CALLR	  0x05	/* callr 12 bit disp */
+#define R_JR	  0x06	/* jr  8 bit disp */
+#define R_SEG     0x10  /* set if in segmented mode */
+
+#define R_IMM16   0x20  /* 16 bit abs */
+#define R_IMM32   0x21  /* 32 bit abs */
+#define R_IMM8    0x22  /* 8 bit abs */
+#define R_IMM4L   0x23  /* low nibble */
+#define R_IMM4H   0x24  /* high nibble */
diff --git a/include/coff/z8k.h b/include/coff/z8k.h
new file mode 100644
index 0000000..4cc6218
--- /dev/null
+++ b/include/coff/z8k.h
@@ -0,0 +1,206 @@
+/*** coff information for Zilog Z800N */
+
+/********************** 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			*/
+};
+
+
+/* Type of cpu is stored in flags */
+#define F_Z8001    0x1000
+#define F_Z8002    0x2000
+#define F_MACHMASK 0xf000
+
+#define	Z8KMAGIC	0x8000
+
+#define Z8KBADMAG(x) (((x).f_magic!=Z8KMAGIC))
+
+#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