filename | src/x86dasm/dis-buf.c |
changeset | 1092:7c4ffe27e7b5 |
prev | 755:ab873907b00e |
author | nkeynes |
date | Mon Mar 05 15:00:14 2012 +1000 (12 years ago) |
permissions | -rw-r--r-- |
last change | Revert to using GL_QUADS when available, fallback to fan-strip when it's not (GLES) |
view | annotate | diff | log | raw |
1 /* Disassemble from a buffer, for GNU.
2 Copyright 1993, 1994, 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2005
3 Free Software Foundation, Inc.
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
19 #include "x86dasm/sysdep.h"
20 #include "x86dasm/dis-asm.h"
21 #include <errno.h>
22 #include "gettext.h"
24 /* Get LENGTH bytes from info's buffer, at target address memaddr.
25 Transfer them to myaddr. */
26 int
27 buffer_read_memory (memaddr, myaddr, length, info)
28 bfd_vma memaddr;
29 bfd_byte *myaddr;
30 unsigned int length;
31 struct disassemble_info *info;
32 {
33 unsigned int opb = info->octets_per_byte;
34 uintptr_t octets = memaddr * opb;
36 memcpy (myaddr, info->buffer + octets, length);
38 return 0;
39 }
41 /* Print an error message. We can assume that this is in response to
42 an error return from buffer_read_memory. */
43 void
44 perror_memory (status, memaddr, info)
45 int status;
46 bfd_vma memaddr;
47 struct disassemble_info *info;
48 {
49 if (status != EIO)
50 /* Can't happen. */
51 info->fprintf_func (info->stream, _("Unknown error %d\n"), status);
52 else
53 {
54 char buf[30];
56 /* Actually, address between memaddr and memaddr + len was
57 out of bounds. */
58 sprintf_vma (buf, memaddr);
59 info->fprintf_func (info->stream,
60 _("Address 0x%s is out of bounds.\n"), buf);
61 }
62 }
64 /* This could be in a separate file, to save miniscule amounts of space
65 in statically linked executables. */
67 /* Just print the address is hex. This is included for completeness even
68 though both GDB and objdump provide their own (to print symbolic
69 addresses). */
71 void
72 generic_print_address (addr, info)
73 bfd_vma addr;
74 struct disassemble_info *info;
75 {
76 char buf[30];
78 sprintf_vma (buf, addr);
79 (*info->fprintf_func) (info->stream, "0x%s", buf);
80 }
82 #if 0
83 /* Just concatenate the address as hex. This is included for
84 completeness even though both GDB and objdump provide their own (to
85 print symbolic addresses). */
87 void generic_strcat_address PARAMS ((bfd_vma, char *, int));
89 void
90 generic_strcat_address (addr, buf, len)
91 bfd_vma addr;
92 char *buf;
93 int len;
94 {
95 if (buf != (char *)NULL && len > 0)
96 {
97 char tmpBuf[30];
99 sprintf_vma (tmpBuf, addr);
100 if ((strlen (buf) + strlen (tmpBuf)) <= (unsigned int) len)
101 strcat (buf, tmpBuf);
102 else
103 strncat (buf, tmpBuf, (len - strlen(buf)));
104 }
105 return;
106 }
107 #endif
109 /* Just return true. */
111 int
112 generic_symbol_at_address (addr, info)
113 bfd_vma addr ATTRIBUTE_UNUSED;
114 struct disassemble_info *info ATTRIBUTE_UNUSED;
115 {
116 return 1;
117 }
119 /* Just return TRUE. */
121 bfd_boolean
122 generic_symbol_is_valid (asymbol * sym ATTRIBUTE_UNUSED,
123 struct disassemble_info *info ATTRIBUTE_UNUSED)
124 {
125 return TRUE;
126 }
.