2009-08-04 Hui Zhu <teawater@gmail.com>
Michael Snyder <msnyder@vmware.com> * record.c (record_mem_entry): New field 'mem_entry_not_accessible'. (record_arch_list_add_mem): Initialize 'mem_entry_not_accessible'. (record_wait): Set 'mem_entry_not_accessible' flag if target memory not readable. Don't try to change target memory if 'mem_entry_not_accessible' is set.
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@ -1,3 +1,12 @@
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2009-08-04 Hui Zhu <teawater@gmail.com>
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Michael Snyder <msnyder@vmware.com>
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* record.c (record_mem_entry): New field 'mem_entry_not_accessible'.
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(record_arch_list_add_mem): Initialize 'mem_entry_not_accessible'.
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(record_wait): Set 'mem_entry_not_accessible' flag if target
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memory not readable. Don't try to change target memory if
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'mem_entry_not_accessible' is set.
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2009-08-03 Richard Guenther <rguenther@suse.de>
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Jan Kratochvil <jan.kratochvil@redhat.com>
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77
gdb/record.c
77
gdb/record.c
@ -51,6 +51,9 @@ struct record_mem_entry
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{
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CORE_ADDR addr;
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int len;
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/* Set this flag if target memory for this entry
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can no longer be accessed. */
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int mem_entry_not_accessible;
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gdb_byte *val;
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};
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@ -275,6 +278,7 @@ record_arch_list_add_mem (CORE_ADDR addr, int len)
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rec->type = record_mem;
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rec->u.mem.addr = addr;
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rec->u.mem.len = len;
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rec->u.mem.mem_entry_not_accessible = 0;
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if (target_read_memory (addr, rec->u.mem.val, len))
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{
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@ -727,32 +731,55 @@ record_wait (struct target_ops *ops,
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else if (record_list->type == record_mem)
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{
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/* mem */
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gdb_byte *mem = alloca (record_list->u.mem.len);
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if (record_debug > 1)
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fprintf_unfiltered (gdb_stdlog,
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"Process record: record_mem %s to "
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"inferior addr = %s len = %d.\n",
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host_address_to_string (record_list),
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paddress (gdbarch, record_list->u.mem.addr),
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record_list->u.mem.len);
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/* Nothing to do if the entry is flagged not_accessible. */
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if (!record_list->u.mem.mem_entry_not_accessible)
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{
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gdb_byte *mem = alloca (record_list->u.mem.len);
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if (record_debug > 1)
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fprintf_unfiltered (gdb_stdlog,
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"Process record: record_mem %s to "
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"inferior addr = %s len = %d.\n",
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host_address_to_string (record_list),
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paddress (gdbarch,
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record_list->u.mem.addr),
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record_list->u.mem.len);
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if (target_read_memory
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(record_list->u.mem.addr, mem, record_list->u.mem.len))
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error (_("Process record: error reading memory at "
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"addr = %s len = %d."),
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paddress (gdbarch, record_list->u.mem.addr),
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record_list->u.mem.len);
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if (target_write_memory
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(record_list->u.mem.addr, record_list->u.mem.val,
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record_list->u.mem.len))
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error (_
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("Process record: error writing memory at "
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"addr = %s len = %d."),
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paddress (gdbarch, record_list->u.mem.addr),
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record_list->u.mem.len);
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memcpy (record_list->u.mem.val, mem, record_list->u.mem.len);
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if (target_read_memory (record_list->u.mem.addr, mem,
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record_list->u.mem.len))
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{
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if (execution_direction != EXEC_REVERSE)
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error (_("Process record: error reading memory at "
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"addr = %s len = %d."),
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paddress (gdbarch, record_list->u.mem.addr),
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record_list->u.mem.len);
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else
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/* Read failed --
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flag entry as not_accessible. */
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record_list->u.mem.mem_entry_not_accessible = 1;
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}
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else
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{
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if (target_write_memory (record_list->u.mem.addr,
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record_list->u.mem.val,
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record_list->u.mem.len))
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{
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if (execution_direction != EXEC_REVERSE)
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error (_("Process record: error writing memory at "
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"addr = %s len = %d."),
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paddress (gdbarch, record_list->u.mem.addr),
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record_list->u.mem.len);
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else
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/* Write failed --
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flag entry as not_accessible. */
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record_list->u.mem.mem_entry_not_accessible = 1;
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}
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else
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{
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memcpy (record_list->u.mem.val, mem,
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record_list->u.mem.len);
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}
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}
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}
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}
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else
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{
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