diff options
Diffstat (limited to 'vm_insnhelper.c')
| -rw-r--r-- | vm_insnhelper.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/vm_insnhelper.c b/vm_insnhelper.c index 6006b5d579..fd259fd428 100644 --- a/vm_insnhelper.c +++ b/vm_insnhelper.c @@ -30,12 +30,40 @@ ruby_vm_special_exception_copy(VALUE exc) return e; } +NORETURN(static void threadptr_stack_overflow(rb_thread_t *, int)); +static void +threadptr_stack_overflow(rb_thread_t *th, int setup) +{ + VALUE mesg = th->vm->special_exceptions[ruby_error_sysstack]; + th->raised_flag = 0; + if (setup) { + VALUE at = rb_threadptr_backtrace_object(th); + mesg = ruby_vm_special_exception_copy(mesg); + rb_ivar_set(mesg, idBt, at); + rb_ivar_set(mesg, idBt_locations, at); + } + th->errinfo = mesg; + TH_JUMP_TAG(th, TAG_RAISE); +} + static void vm_stackoverflow(void) { - rb_exc_raise(ruby_vm_special_exception_copy(sysstack_error)); + threadptr_stack_overflow(GET_THREAD(), TRUE); +} + +NORETURN(void rb_threadptr_stack_overflow(rb_thread_t *th)); +void +rb_threadptr_stack_overflow(rb_thread_t *th) +{ +#ifdef USE_SIGALTSTACK + threadptr_stack_overflow(th, !rb_threadptr_during_gc(th)); +#else + threadptr_stack_overflow(th, FALSE); +#endif } + #if VM_CHECK_MODE > 0 static int callable_class_p(VALUE klass) |