1 /* Disassemble from a buffer, for GNU.
2 Copyright (C) 1993, 1994 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21 /* Get LENGTH bytes from info's buffer, at target address memaddr.
22 Transfer them to myaddr. */
24 buffer_read_memory (memaddr, myaddr, length, info)
28 struct disassemble_info *info;
30 if (memaddr < info->buffer_vma
31 || memaddr + length > info->buffer_vma + info->buffer_length)
32 /* Out of bounds. Use EIO because GDB uses it. */
34 memcpy (myaddr, info->buffer + (memaddr - info->buffer_vma), length);
38 /* Print an error message. We can assume that this is in response to
39 an error return from buffer_read_memory. */
41 perror_memory (status, memaddr, info)
44 struct disassemble_info *info;
48 (*info->fprintf_func) (info->stream, "Unknown error %d\n", status);
50 /* Actually, address between memaddr and memaddr + len was
52 (*info->fprintf_func) (info->stream,
53 "Address 0x%x is out of bounds.\n", memaddr);
56 /* This could be in a separate file, to save miniscule amounts of space
57 in statically linked executables. */
59 /* Just print the address is hex. This is included for completeness even
60 though both GDB and objdump provide their own (to print symbolic
64 generic_print_address (addr, info)
66 struct disassemble_info *info;
68 (*info->fprintf_func) (info->stream, "0x%x", addr);
71 /* Just return the given address. */
74 generic_symbol_at_address (addr, info)
76 struct disassemble_info * info;