Welcome to mirror list, hosted at ThFree Co, Russian Federation.

cygwin.com/git/newlib-cygwin.git - Unnamed repository; edit this file 'description' to name the repository.
summaryrefslogtreecommitdiff
path: root/winsup
diff options
context:
space:
mode:
authorJon TURNEY <jon.turney@dronecode.org.uk>2015-04-04 18:12:27 +0300
committerCorinna Vinschen <corinna@vinschen.de>2015-04-23 22:58:33 +0300
commitbccc0e83e82af2e74e4a813bf551cad0b2305814 (patch)
tree16d0489fb9367431a829e09ccc63a4863c87d60b /winsup
parent9043956ce8594855ae5cfe66e8334e51c6969f59 (diff)
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>
Diffstat (limited to 'winsup')
-rw-r--r--winsup/cygwin/ChangeLog5
-rw-r--r--winsup/cygwin/exceptions.cc4
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;
}