ftmemsim-valgrind

mirror of https://github.com/Zenithsiz/ftmemsim-valgrind.git synced 2026-02-08 21:09:49 +00:00

Files

Josef Weidendorfer 923b3fc185 Fix bug 246152

When unwinding needs to be done because the stack pointer is reset
(e.g. by a longjmp), it makes no sense to interprete the control
flow change as call, but should be seen as a return.

This indirectly fixes bug 246152. Unwinding potentially changes the
exec state, which is unique for threads, but also for signal handlers.
E.g. this is true for a longjmp out of a signal handler. Exec state
changes modify members of struct CLG_(current_state), such as
CLG_(current_state).bbcc and CLG_(current_state).jmps_passed, which
are backed in CLG_(setup_bbcc)() by last_bbcc and passed, respectivly.
On a exec state change, these local vars go out of sync, and lead
to invalid data passed to CLG_(push_call_stack)() for handling a call,
which triggered data corruption, and the symptoms seen in bug 246152.
As in the given situation, there is no call anymore, there is no call
into CLG_(push_call_stack)(), and the corruption (or since last commit
the failed assertion) is not triggered any more.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11524

2011-02-04 20:50:58 +00:00

docs

Fix typo

2011-01-04 21:09:14 +00:00

tests

Fix up printing of the can't-autodetect-params message and the

2010-10-12 10:14:43 +00:00

bb.c

Update copyright dates to 2010.

2010-05-03 21:37:12 +00:00

bbcc.c

Fix bug 246152