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- /* Disassemble from a buffer, for GNU.
- Copyright (C) 1993, 1994 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>
-
- /* 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;
- {
- if (memaddr < info->buffer_vma
- || memaddr + length > info->buffer_vma + info->buffer_length)
- /* Out of bounds. Use EIO because GDB uses it. */
- return EIO;
- memcpy (myaddr, info->buffer + (memaddr - info->buffer_vma), 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;
- {
- (*info->fprintf_func) (info->stream, "0x%x", addr);
- }
-