diff options
| author | Vladimir Prus <vladimir@codesourcery.com> | 2006-11-21 16:50:16 +0000 |
|---|---|---|
| committer | Vladimir Prus <vladimir@codesourcery.com> | 2006-11-21 16:50:16 +0000 |
| commit | 4b5752d02f5e21329ae17790fd766b5f2df0d362 (patch) | |
| tree | 196c10beb13b46ae12ccffd79affbbba5dbbca2c /gdb/target.c | |
| parent | bce613b9bfac3b56f4f9742776db11aeec875300 (diff) | |
| download | gdb-4b5752d02f5e21329ae17790fd766b5f2df0d362.zip gdb-4b5752d02f5e21329ae17790fd766b5f2df0d362.tar.gz gdb-4b5752d02f5e21329ae17790fd766b5f2df0d362.tar.bz2 | |
gdb/
* memattr.h (enum mem_access_mode): New value
MEM_NONE.
* memattr.c (unknown_mem_attrib): New.
(inaccessible_by_default): New.
(show_inaccessible_by_default): New.
(lookup_mem_region): Check inaccessible_by_default.
(dummy_cmd): New.
(mem_set_cmdlist, mem_show_cmdlist): New.
(_initialize_mem): Register new "set" and "show"
commands.
* target.c (memory_xfer_partial): If memory type
is MEM_NONE, return an error.
Clip to region size when calling to_xfer_partial.
If upper limit of memory range is 0, don't clip
anything.
gdb/doc/
* gdb.texinfo (Memory Access Checking): New.
Diffstat (limited to 'gdb/target.c')
| -rw-r--r-- | gdb/target.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/gdb/target.c b/gdb/target.c index 2ff882c..2062733 100644 --- a/gdb/target.c +++ b/gdb/target.c @@ -1015,7 +1015,8 @@ memory_xfer_partial (struct target_ops *ops, void *readbuf, const void *writebuf /* Try GDB's internal data cache. */ region = lookup_mem_region (memaddr); - if (memaddr + len < region->hi) + /* region->hi == 0 means there's no upper bound. */ + if (memaddr + len < region->hi || region->hi == 0) reg_len = len; else reg_len = region->hi - memaddr; @@ -1037,6 +1038,9 @@ memory_xfer_partial (struct target_ops *ops, void *readbuf, const void *writebuf if (writebuf != NULL) error (_("Writing to flash memory forbidden in this context")); break; + + case MEM_NONE: + return -1; } if (region->attrib.cache) @@ -1072,7 +1076,7 @@ memory_xfer_partial (struct target_ops *ops, void *readbuf, const void *writebuf do { res = ops->to_xfer_partial (ops, TARGET_OBJECT_MEMORY, NULL, - readbuf, writebuf, memaddr, len); + readbuf, writebuf, memaddr, reg_len); if (res > 0) return res; |