Revert "Apply object tracing mark patch from upstream Ruby"

patches/ruby/2.7.5/object-tracing-mark.patch

@@ -1,121 +0,0 @@
-diff --git a/ext/objspace/object_tracing.c b/ext/objspace/object_tracing.c
-index a057ac2a96..4973a7535b 100644
---- a/ext/objspace/object_tracing.c
-+++ b/ext/objspace/object_tracing.c
-@@ -151,6 +151,80 @@ free_values_i(st_data_t key, st_data_t value, st_data_t data)
-     return ST_CONTINUE;
- }
- 
-+static void
-+allocation_info_tracer_mark(void *ptr)
-+{
-+    struct traceobj_arg *trace_arg = (struct traceobj_arg *)ptr;
-+    rb_gc_mark(trace_arg->newobj_trace);
-+    rb_gc_mark(trace_arg->freeobj_trace);
-+}
-+
-+static void
-+allocation_info_tracer_free(void *ptr)
-+{
-+    struct traceobj_arg *arg = (struct traceobj_arg *)ptr;
-+    /* clear tables */
-+    st_foreach(arg->object_table, free_values_i, 0);
-+    st_free_table(arg->object_table);
-+    st_foreach(arg->str_table, free_keys_i, 0);
-+    st_free_table(arg->str_table);
-+    xfree(arg);
-+}
-+
-+static size_t
-+allocation_info_tracer_memsize(const void *ptr)
-+{
-+    size_t size;
-+    struct traceobj_arg *trace_arg = (struct traceobj_arg *)ptr;
-+    size = sizeof(*trace_arg);
-+    size += st_memsize(trace_arg->object_table);
-+    size += st_memsize(trace_arg->str_table);
-+    return size;
-+}
-+
-+static int
-+hash_foreach_should_replace_key(st_data_t key, st_data_t value, st_data_t argp, int error)
-+{
-+    VALUE allocated_object;
-+
-+    allocated_object = (VALUE)value;
-+    if (allocated_object != rb_gc_location(allocated_object)) {
-+        return ST_REPLACE;
-+    }
-+
-+    return ST_CONTINUE;
-+}
-+
-+static int
-+hash_replace_key(st_data_t *key, st_data_t *value, st_data_t argp, int existing)
-+{
-+    *key = rb_gc_location((VALUE)*key);
-+
-+    return ST_CONTINUE;
-+}
-+
-+static void
-+allocation_info_tracer_compact(void *ptr)
-+{
-+    struct traceobj_arg *trace_arg = (struct traceobj_arg *)ptr;
-+
-+    if (st_foreach_with_replace(trace_arg->object_table, hash_foreach_should_replace_key, hash_replace_key, 0)) {
-+        rb_raise(rb_eRuntimeError, "hash modified during iteration");
-+    }
-+}
-+
-+static const rb_data_type_t allocation_info_tracer_type = {
-+    "ObjectTracing/allocation_info_tracer",
-+    {
-+        allocation_info_tracer_mark,
-+        allocation_info_tracer_free, /* Never called because global */
-+        allocation_info_tracer_memsize,
-+        allocation_info_tracer_compact,
-+    },
-+    0, 0, RUBY_TYPED_FREE_IMMEDIATELY
-+};
-+
-+static VALUE traceobj_arg;
- static struct traceobj_arg *tmp_trace_arg; /* TODO: Do not use global variables */
- static int tmp_keep_remains;               /* TODO: Do not use global variables */
- 
-@@ -158,7 +232,9 @@ static struct traceobj_arg *
- get_traceobj_arg(void)
- {
-     if (tmp_trace_arg == 0) {
--	tmp_trace_arg = ALLOC_N(struct traceobj_arg, 1);
-+        VALUE obj = TypedData_Make_Struct(rb_cObject, struct traceobj_arg, &allocation_info_tracer_type, tmp_trace_arg);
-+        traceobj_arg = obj;
-+        rb_gc_register_mark_object(traceobj_arg);
- 	tmp_trace_arg->running = 0;
- 	tmp_trace_arg->keep_remains = tmp_keep_remains;
- 	tmp_trace_arg->newobj_trace = 0;
-@@ -186,9 +262,7 @@ trace_object_allocations_start(VALUE self)
-     else {
- 	if (arg->newobj_trace == 0) {
- 	    arg->newobj_trace = rb_tracepoint_new(0, RUBY_INTERNAL_EVENT_NEWOBJ, newobj_i, arg);
--	    rb_gc_register_mark_object(arg->newobj_trace);
- 	    arg->freeobj_trace = rb_tracepoint_new(0, RUBY_INTERNAL_EVENT_FREEOBJ, freeobj_i, arg);
--	    rb_gc_register_mark_object(arg->freeobj_trace);
- 	}
- 	rb_tracepoint_enable(arg->newobj_trace);
- 	rb_tracepoint_enable(arg->freeobj_trace);
-@@ -216,8 +290,12 @@ trace_object_allocations_stop(VALUE self)
-     }
- 
-     if (arg->running == 0) {
--	rb_tracepoint_disable(arg->newobj_trace);
--	rb_tracepoint_disable(arg->freeobj_trace);
-+        if (arg->newobj_trace != 0) {
-+            rb_tracepoint_disable(arg->newobj_trace);
-+        }
-+        if (arg->freeobj_trace != 0) {
-+            rb_tracepoint_disable(arg->freeobj_trace);
-+        }
-     }
- 
-     return Qnil;