diff options
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; |