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* dis-buf.c (buffer_read_memory): Give error for reading just

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before the start of memory.
This commit is contained in:
Joseph Myers 2010-03-23 15:59:45 +00:00
parent 0aec0f3348
commit f66187fdfe
2 changed files with 7 additions and 1 deletions
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5
opcodes/ChangeLog
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@ -1,3 +1,8 @@
2010-03-23 Joseph Myers <joseph@codesourcery.com>
* dis-buf.c (buffer_read_memory): Give error for reading just
before the start of memory.
2010-03-22 Sebastian Pop <sebastian.pop@amd.com>
Quentin Neill <quentin.neill@amd.com>

3
opcodes/dis-buf.c
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@ -1,6 +1,6 @@
/* Disassemble from a buffer, for GNU.
Copyright 1993, 1994, 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2005,
2007, 2009 Free Software Foundation, Inc.
2007, 2009, 2010 Free Software Foundation, Inc.
This file is part of the GNU opcodes library.
@ -38,6 +38,7 @@ buffer_read_memory (bfd_vma memaddr,
unsigned int octets = (memaddr - info->buffer_vma) * opb;
if (memaddr < info->buffer_vma
|| memaddr - info->buffer_vma > max_addr_offset
|| memaddr - info->buffer_vma + end_addr_offset > max_addr_offset)
/* Out of bounds. Use EIO because GDB uses it. */
return EIO;