diff options
| author | Jan Beulich <jbeulich@novell.com> | 2005-12-08 15:21:05 +0000 |
|---|---|---|
| committer | Jan Beulich <jbeulich@novell.com> | 2005-12-08 15:21:05 +0000 |
| commit | b3aa39cf8bd79450b113027ceac48a7017ba1fb1 (patch) | |
| tree | 7c227fe8e76dc5231a599a76c358962a17a09d93 /opcodes | |
| parent | ae9a907dad8ed093f31cd0a30d273bc36041d147 (diff) | |
| download | gdb-b3aa39cf8bd79450b113027ceac48a7017ba1fb1.tar.gz | |
opcodes/
2005-12-08 Jan Beulich <jbeulich@novell.com>
* i386-dis.c (MAXLEN): Reduce to architectural limit.
(fetch_data): Check for sufficient buffer size.
Diffstat (limited to 'opcodes')
| -rw-r--r-- | opcodes/ChangeLog | 5 | ||||
| -rw-r--r-- | opcodes/i386-dis.c | 13 |
2 files changed, 13 insertions, 5 deletions
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index 6b2961eb402..d4a2b41ab05 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,5 +1,10 @@ 2005-12-08 Jan Beulich <jbeulich@novell.com> + * i386-dis.c (MAXLEN): Reduce to architectural limit. + (fetch_data): Check for sufficient buffer size. + +2005-12-08 Jan Beulich <jbeulich@novell.com> + * i386-dis.c (OP_ST): Remove prefix in Intel mode. 2005-12-08 Daniel Jacobowitz <dan@codesourcery.com> diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c index 32293a81026..973682bde21 100644 --- a/opcodes/i386-dis.c +++ b/opcodes/i386-dis.c @@ -35,7 +35,7 @@ #include "sysdep.h" #include "opintl.h" -#define MAXLEN 20 +#define MAXLEN 15 #include <setjmp.h> @@ -179,10 +179,13 @@ fetch_data (struct disassemble_info *info, bfd_byte *addr) struct dis_private *priv = (struct dis_private *) info->private_data; bfd_vma start = priv->insn_start + (priv->max_fetched - priv->the_buffer); - status = (*info->read_memory_func) (start, - priv->max_fetched, - addr - priv->max_fetched, - info); + if (addr <= priv->the_buffer + MAXLEN) + status = (*info->read_memory_func) (start, + priv->max_fetched, + addr - priv->max_fetched, + info); + else + status = -1; if (status != 0) { /* If we did manage to read at least one byte, then |