H8/500 support

5 files changed, 423 insertions, 0 deletions

diff --git a/bfd/.Sanitize b/bfd/.Sanitize
index 8935289..759a629 100644
--- a/bfd/.Sanitize
+++ b/bfd/.Sanitize
@@ -48,6 +48,7 @@ cache.c
 ctor.c
 coff-a29k.c
 coff-h8300.c
+coff-h8500.c
 coff-i386.c
 coff-i960.c
 coff-m68k.c
@@ -85,6 +86,7 @@ cpu-m68k.c
 cpu-mips.c
 cpu-vax.c
 cpu-h8300.c
+cpu-h8500.c
 cpu-hppa.c
 cpu-i960.c
 cpu-m88k.c
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 66e005d..2d32785 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,9 @@
+Thu Feb  4 12:52:40 1993  Steve Chamberlain  (sac@thepub.cygnus.com)
+
+	Add support for the H8/500
+
+	* coff-h8500.c, cpu-h8500.c, archures.c, coffcode.h, targets.c
+
 Thu Feb  4 12:35:02 1993  Ian Lance Taylor  (ian@cygnus.com)
 
 	* libecoff.h: New file.  Defines ECOFF backend data for gdb.
diff --git a/bfd/cpu-h8500.c b/bfd/cpu-h8500.c
new file mode 100644
index 0000000..9506216
--- /dev/null
+++ b/bfd/cpu-h8500.c
@@ -0,0 +1,208 @@
+/* BFD library support routines for the H8/500 architecture.
+   Copyright (C) 1993 Free Software Foundation, Inc.
+   Hacked by Steve Chamberlain of Cygnus Support.
+
+This file is part of BFD, the Binary File Descriptor library.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libbfd.h"
+
+#if 0
+
+/* 
+Relocations for the Z8K
+
+*/
+static bfd_reloc_status_type 
+DEFUN(howto16_callback,(abfd, reloc_entry, symbol_in, data,
+			ignore_input_section, ignore_bfd),
+      bfd *abfd AND
+      arelent *reloc_entry AND
+      struct symbol_cache_entry *symbol_in AND
+      PTR data AND
+      asection *ignore_input_section AND
+      bfd *ignore_bfd)
+{
+  long relocation = 0;
+  bfd_vma addr = reloc_entry->address;
+  long x = bfd_get_16(abfd, (bfd_byte *)data + addr);
+
+  HOWTO_PREPARE(relocation, symbol_in);
+
+  x = (x + relocation + reloc_entry->addend);
+
+  bfd_put_16(abfd, x, (bfd_byte *)data + addr);
+  return bfd_reloc_ok;
+}
+
+
+static bfd_reloc_status_type 
+DEFUN(howto8_callback,(abfd, reloc_entry, symbol_in, data,
+		       ignore_input_section, ignore_bfd),
+      bfd *abfd AND
+      arelent *reloc_entry AND
+      struct symbol_cache_entry *symbol_in AND
+      PTR data AND
+      asection *ignore_input_section AND
+      bfd *ignore_bfd)
+{
+  long relocation = 0;
+  bfd_vma addr = reloc_entry->address;
+  long x = bfd_get_8(abfd, (bfd_byte *)data + addr);
+
+  HOWTO_PREPARE(relocation, symbol_in);
+
+  x = (x + relocation + reloc_entry->addend);
+
+  bfd_put_8(abfd, x, (bfd_byte *)data + addr);
+  return bfd_reloc_ok;
+}
+
+
+static bfd_reloc_status_type 
+DEFUN(howto8_FFnn_callback,(abfd, reloc_entry, symbol_in, data,
+			    ignore_input_section, ignore_bfd),
+      bfd *abfd AND
+      arelent *reloc_entry AND
+      struct symbol_cache_entry *symbol_in AND
+      PTR data AND
+      asection *ignore_input_section AND
+      bfd *ignore_bfd)
+{
+  long relocation = 0;
+  bfd_vma addr = reloc_entry->address;
+
+  long x = bfd_get_8(abfd, (bfd_byte *)data + addr);
+  abort();
+  HOWTO_PREPARE(relocation, symbol_in);
+
+  x = (x + relocation + reloc_entry->addend);
+
+  bfd_put_8(abfd, x, (bfd_byte *)data + addr);
+  return bfd_reloc_ok;
+}
+
+static bfd_reloc_status_type 
+DEFUN(howto8_pcrel_callback,(abfd, reloc_entry, symbol_in, data,
+			     ignore_input_section, ignore_bfd),
+      bfd *abfd AND
+      arelent *reloc_entry AND
+      struct symbol_cache_entry *symbol_in AND
+      PTR data AND
+      asection *ignore_input_section AND
+      bfd *ignore_bfd)
+{
+  long relocation = 0;
+  bfd_vma addr = reloc_entry->address;
+  long x = bfd_get_8(abfd, (bfd_byte *)data + addr);
+  abort();
+  HOWTO_PREPARE(relocation, symbol_in);
+
+  x = (x + relocation + reloc_entry->addend);
+
+  bfd_put_8(abfd, x, (bfd_byte *)data + addr);
+  return bfd_reloc_ok;
+}
+
+
+
+static reloc_howto_type howto_16
+  = NEWHOWTO(howto16_callback,"abs16",1,false,false);
+static reloc_howto_type howto_8
+  = NEWHOWTO(howto8_callback,"abs8",0,false,false);
+
+static reloc_howto_type howto_8_FFnn
+  = NEWHOWTO(howto8_FFnn_callback,"ff00+abs8",0,false,false);
+
+static reloc_howto_type howto_8_pcrel
+  = NEWHOWTO(howto8_pcrel_callback,"pcrel8",0,false,true);
+
+
+static CONST struct reloc_howto_struct *
+DEFUN(local_bfd_reloc_type_lookup,(arch, code),
+ CONST struct bfd_arch_info *arch AND
+ bfd_reloc_code_real_type code)
+{
+  switch (code) {
+  case BFD_RELOC_16:
+    return &howto_16;
+  case BFD_RELOC_8_FFnn:
+    return &howto_8_FFnn;
+  case BFD_RELOC_8:
+    return &howto_8;
+  case BFD_RELOC_8_PCREL:
+    return &howto_8_pcrel;
+  }
+  return (reloc_howto_type *)NULL;
+}
+#endif
+
+int bfd_default_scan_num_mach();
+
+static boolean 
+DEFUN(scan_mach,(info, string),
+CONST struct bfd_arch_info *info AND
+CONST char *string)
+{
+  if (strcmp(string,"h8/500") == 0) return true;
+  if (strcmp(string,"H8/500") == 0) return true;
+  if (strcmp(string,"h8500") == 0) return true;
+  if (strcmp(string,"H8500") == 0) return true;
+}
+
+
+/* This routine is provided two arch_infos and returns whether
+   they'd be compatible */
+
+static CONST bfd_arch_info_type *
+DEFUN(compatible,(a,b),
+      CONST bfd_arch_info_type *a AND
+      CONST bfd_arch_info_type *b)
+{
+  if (a->arch != b->arch || a->mach != b->mach)
+   return NULL;
+  return a;
+}
+
+
+static bfd_arch_info_type arch_info_struct[] = 
+{ 
+  16,				/* 16 bits in a word */
+  24,				/* 24 bits in an address */
+  8,				/* 8 bits in a byte */
+  bfd_arch_h8500,
+  0,				/* only 1 machine */
+  "H8/500",			/* arch_name  */
+  "H8/500",			/* printable name */
+  1,
+  true,				/* the default machine */
+  bfd_default_compatible,
+  scan_mach,
+  0,
+  0,
+};
+
+
+
+void
+DEFUN_VOID(bfd_h8500_arch)
+{
+  bfd_arch_linkin(&arch_info_struct[0]);
+}
+
+
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
+
+
+