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| author | Jon TURNEY <jon.turney@dronecode.org.uk> | 2015-04-04 16:12:27 +0100 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2015-04-23 21:58:33 +0200 |
| commit | bccc0e83e82af2e74e4a813bf551cad0b2305814 (patch) | |
| tree | 16d0489fb9367431a829e09ccc63a4863c87d60b | |
| parent | 9043956ce8594855ae5cfe66e8334e51c6969f59 (diff) | |
| download | cygnal-bccc0e83e82af2e74e4a813bf551cad0b2305814.tar.gz cygnal-bccc0e83e82af2e74e4a813bf551cad0b2305814.tar.bz2 cygnal-bccc0e83e82af2e74e4a813bf551cad0b2305814.zip | |
Set mcontext.cr2 to the faulting address
* exceptions.cc (call_signal_handler): Set mcontext.cr2 to the
faulting address.
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
| -rw-r--r-- | winsup/cygwin/ChangeLog | 5 | ||||
| -rw-r--r-- | winsup/cygwin/exceptions.cc | 4 |
2 files changed, 9 insertions, 0 deletions
diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog index a3a002666..1b3003aae 100644 --- a/winsup/cygwin/ChangeLog +++ b/winsup/cygwin/ChangeLog @@ -1,3 +1,8 @@ +2015-04-04 Jon TURNEY <jon.turney@dronecode.org.uk> + + * exceptions.cc (call_signal_handler): Set mcontext.cr2 to the + faulting address. + 2015-04-02 Jon TURNEY <jon.turney@dronecode.org.uk> * exceptions.cc (call_signal_handler): Only bother to construct diff --git a/winsup/cygwin/exceptions.cc b/winsup/cygwin/exceptions.cc index 0c9ee1459..4a6c21e7c 100644 --- a/winsup/cygwin/exceptions.cc +++ b/winsup/cygwin/exceptions.cc @@ -1521,6 +1521,10 @@ _cygtls::call_signal_handler () context.uc_sigmask = context.uc_mcontext.oldmask = this_oldmask; + context.uc_mcontext.cr2 = (thissi.si_signo == SIGSEGV + || thissi.si_signo == SIGBUS) + ? (uintptr_t) thissi.si_addr : 0; + thiscontext = &context; } |