diff options
| -rw-r--r-- | gdb/ChangeLog | 4 | ||||
| -rw-r--r-- | gdb/frame.c | 5 |
2 files changed, 7 insertions, 2 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 69fbac8..c8163b7 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,7 @@ +2008-09-22 Andrew Stubbs <ams@codesourcery.com> + + * frame.c (get_frame_register_bytes): Comment improvments. + 2008-09-22 Pedro Alves <pedro@codesourcery.com> * linux-nat.c (linux_nat_wait): Only use set_ignore_sigint in diff --git a/gdb/frame.c b/gdb/frame.c index 88d51f7..dd3e341 100644 --- a/gdb/frame.c +++ b/gdb/frame.c @@ -806,13 +806,14 @@ get_frame_register_bytes (struct frame_info *frame, int regnum, regnum++; } - /* Detect bad debug info. */ + /* Ensure that we will not read beyond the end of the register file. + This can only ever happen if the debug information is bad. */ maxsize = -offset; for (i = regnum; i < gdbarch_num_regs (gdbarch); i++) { int thissize = register_size (gdbarch, i); if (thissize == 0) - break; + break; /* This register is not available on this architecture. */ maxsize += thissize; } if (len > maxsize) |