1 files changed, 127 insertions, 0 deletions
diff --git a/contrib/binutils/opcodes/dis-buf.c b/contrib/binutils/opcodes/dis-buf.c
new file mode 100644
index 0000000..83fbfbd
--- /dev/null
+++ b/contrib/binutils/opcodes/dis-buf.c
@@ -0,0 +1,127 @@
+/* Disassemble from a buffer, for GNU.
+   Copyright 1993, 1994, 1996, 1997, 1998, 1999, 2000
+   Free Software Foundation, Inc.
+
+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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#include "sysdep.h"
+#include "dis-asm.h"
+#include <errno.h>
+#include "opintl.h"
+
+/* Get LENGTH bytes from info's buffer, at target address memaddr.
+   Transfer them to myaddr.  */
+int
+buffer_read_memory (memaddr, myaddr, length, info)
+     bfd_vma memaddr;
+     bfd_byte *myaddr;
+     unsigned int length;
+     struct disassemble_info *info;
+{
+  unsigned int opb = info->octets_per_byte;
+  unsigned int end_addr_offset = length / opb;
+  unsigned int max_addr_offset = info->buffer_length / opb; 
+  unsigned int octets = (memaddr - info->buffer_vma) * opb;
+
+  if (memaddr < info->buffer_vma
+      || memaddr - info->buffer_vma + end_addr_offset > max_addr_offset)
+    /* Out of bounds.  Use EIO because GDB uses it.  */
+    return EIO;
+  memcpy (myaddr, info->buffer + octets, length);
+
+  return 0;
+}
+
+/* Print an error message.  We can assume that this is in response to
+   an error return from buffer_read_memory.  */
+void
+perror_memory (status, memaddr, info)
+     int status;
+     bfd_vma memaddr;
+     struct disassemble_info *info;
+{
+  if (status != EIO)
+    /* Can't happen.  */
+    info->fprintf_func (info->stream, _("Unknown error %d\n"), status);
+  else
+    /* Actually, address between memaddr and memaddr + len was
+       out of bounds.  */
+    info->fprintf_func (info->stream,
+			_("Address 0x%x is out of bounds.\n"), memaddr);
+}
+
+/* This could be in a separate file, to save miniscule amounts of space
+   in statically linked executables.  */
+
+/* Just print the address is hex.  This is included for completeness even
+   though both GDB and objdump provide their own (to print symbolic
+   addresses).  */
+
+void
+generic_print_address (addr, info)
+     bfd_vma addr;
+     struct disassemble_info *info;
+{
+  char buf[30];
+
+  sprintf_vma (buf, addr);
+  (*info->fprintf_func) (info->stream, "0x%s", buf);
+}
+
+#if 0
+/* Just concatenate the address as hex.  This is included for
+   completeness even though both GDB and objdump provide their own (to
+   print symbolic addresses).  */
+
+void generic_strcat_address PARAMS ((bfd_vma, char *, int));
+
+void
+generic_strcat_address (addr, buf, len)
+     bfd_vma addr;
+     char *buf;
+     int len;
+{
+  if (buf != (char *)NULL && len > 0)
+    {
+      char tmpBuf[30];
+
+      sprintf_vma (tmpBuf, addr);
+      if ((strlen (buf) + strlen (tmpBuf)) <= (unsigned int) len)
+	strcat (buf, tmpBuf);
+      else
+	strncat (buf, tmpBuf, (len - strlen(buf)));
+    }
+  return;
+}
+#endif
+
+/* Just return true.  */
+
+int
+generic_symbol_at_address (addr, info)
+     bfd_vma addr ATTRIBUTE_UNUSED;
+     struct disassemble_info *info ATTRIBUTE_UNUSED;
+{
+  return 1;
+}
+
+/* Just return TRUE.  */
+
+bfd_boolean
+generic_symbol_is_valid (asymbol * sym ATTRIBUTE_UNUSED,
+			 struct disassemble_info *info ATTRIBUTE_UNUSED)
+{
+  return TRUE;
+}