/* Disassemble from a buffer, for GNU.
- Copyright (C) 1993 Free Software Foundation, Inc.
+ Copyright (C) 1993-2016 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 file is part of the GNU opcodes library.
-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.
+ This library 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 3, or (at your option)
+ any later version.
-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. */
+ It 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., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, 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;
- int length;
- struct disassemble_info *info;
+buffer_read_memory (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 + length > info->buffer_vma + info->buffer_length)
+ || memaddr - info->buffer_vma > max_addr_offset
+ || memaddr - info->buffer_vma + end_addr_offset > max_addr_offset
+ || (info->stop_vma && (memaddr >= info->stop_vma
+ || memaddr + end_addr_offset > info->stop_vma)))
/* Out of bounds. Use EIO because GDB uses it. */
return EIO;
- memcpy (myaddr, info->buffer + (memaddr - info->buffer_vma), length);
+ 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;
+perror_memory (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);
+ 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);
+ {
+ char buf[30];
+
+ /* Actually, address between memaddr and memaddr + len was
+ out of bounds. */
+ sprintf_vma (buf, memaddr);
+ info->fprintf_func (info->stream,
+ _("Address 0x%s is out of bounds.\n"), buf);
+ }
+}
+
+/* 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 (bfd_vma addr, struct disassemble_info *info)
+{
+ char buf[30];
+
+ sprintf_vma (buf, addr);
+ (*info->fprintf_func) (info->stream, "0x%s", buf);
+}
+
+/* Just return true. */
+
+int
+generic_symbol_at_address (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;
}