report bug with machine regisiters

* error.c (rb_bug_context): new function to report bug with
  context.
* vm_dump.c (rb_vm_bugreport): accepts `ucontext_t` argument to
  dump machine regisiters.  based on [GH-584].
* signal.c (sigbus, sigsegv): dump machine regisiters if available.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46106 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/vm.c b/vm.c
index 1fa76af3fd..40eceeae9f 100644
--- a/vm.c
+++ b/vm.c
@@ -2376,7 +2376,7 @@ extern VALUE *rb_gc_register_stack_start;
 static VALUE
 sdr(void)
 {
-    rb_vm_bugreport();
+    rb_vm_bugreport(NULL);
     return Qnil;
 }