#endif
#include "mini.h"
+#include "debug-mini.h"
+
+#ifdef MONO_ARCH_HAVE_IMT
+
+static gpointer*
+mono_convert_imt_slot_to_vtable_slot (gpointer* slot, gpointer *regs, guint8 *code, MonoMethod *method, MonoMethod **impl_method)
+{
+ MonoObject *this_argument = mono_arch_find_this_argument (regs, method);
+ MonoVTable *vt = this_argument->vtable;
+ int displacement = slot - ((gpointer*)vt);
+
+ if (displacement > 0) {
+ /* slot is in the vtable, not in the IMT */
+#if DEBUG_IMT
+ printf ("mono_convert_imt_slot_to_vtable_slot: slot %p is in the vtable, not in the IMT\n", slot);
+#endif
+ return slot;
+ } else {
+ MonoMethod *imt_method = mono_arch_find_imt_method (regs, code);
+ int interface_offset;
+ int imt_slot = MONO_IMT_SIZE + displacement;
+
+ mono_class_setup_vtable (vt->klass);
+ interface_offset = mono_class_interface_offset (vt->klass, imt_method->klass);
+
+ if (interface_offset < 0) {
+ g_print ("%s doesn't implement interface %s\n", mono_type_get_name_full (&vt->klass->byval_arg, 0), mono_type_get_name_full (&imt_method->klass->byval_arg, 0));
+ g_assert_not_reached ();
+ }
+ mono_vtable_build_imt_slot (vt, mono_method_get_imt_slot (imt_method));
+
+ if (impl_method)
+ *impl_method = vt->klass->vtable [interface_offset + imt_method->slot];
+#if DEBUG_IMT
+ printf ("mono_convert_imt_slot_to_vtable_slot: method = %s.%s.%s, imt_method = %s.%s.%s\n",
+ method->klass->name_space, method->klass->name, method->name,
+ imt_method->klass->name_space, imt_method->klass->name, imt_method->name);
+#endif
+ g_assert (imt_slot < MONO_IMT_SIZE);
+ if (vt->imt_collisions_bitmap & (1 << imt_slot)) {
+ int vtable_offset = interface_offset + imt_method->slot;
+ gpointer *vtable_slot = & (vt->vtable [vtable_offset]);
+#if DEBUG_IMT
+ printf ("mono_convert_imt_slot_to_vtable_slot: slot %p[%d] is in the IMT, and colliding becomes %p[%d] (interface_offset = %d, method->slot = %d)\n", slot, imt_slot, vtable_slot, vtable_offset, interface_offset, imt_method->slot);
+#endif
+ return vtable_slot;
+ } else {
+#if DEBUG_IMT
+ printf ("mono_convert_imt_slot_to_vtable_slot: slot %p[%d] is in the IMT, but not colliding\n", slot, imt_slot);
+#endif
+ return slot;
+ }
+ }
+}
+#endif
/**
* mono_magic_trampoline:
gpointer addr;
gpointer *vtable_slot;
+#if MONO_ARCH_COMMON_VTABLE_TRAMPOLINE
+ if (m == MONO_FAKE_VTABLE_METHOD) {
+ int displacement;
+ MonoVTable *vt = mono_arch_get_vcall_slot (code, (gpointer*)regs, &displacement);
+ g_assert (vt);
+ if (displacement > 0) {
+ displacement -= G_STRUCT_OFFSET (MonoVTable, vtable);
+ g_assert (displacement >= 0);
+ displacement /= sizeof (gpointer);
+
+ /* Avoid loading metadata or creating a generic vtable if possible */
+ addr = mono_aot_get_method_from_vt_slot (mono_domain_get (), vt, displacement);
+ if (addr && !vt->klass->valuetype) {
+ vtable_slot = mono_arch_get_vcall_slot_addr (code, (gpointer*)regs);
+ if (mono_aot_is_got_entry (code, (guint8*)vtable_slot) || mono_domain_owns_vtable_slot (mono_domain_get (), vtable_slot)) {
+ *vtable_slot = mono_get_addr_from_ftnptr (addr);
+ }
+
+ return addr;
+ }
+
+ mono_class_setup_vtable (vt->klass);
+ m = vt->klass->vtable [displacement];
+ if (m->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)
+ m = mono_marshal_get_synchronized_wrapper (m);
+ /*g_print ("%s with disp %d: %s at %p\n", vt->klass->name, displacement, m->name, code);*/
+ } else {
+ /* We got here from an interface method: redirect to IMT handling */
+ m = MONO_FAKE_IMT_METHOD;
+ /*g_print ("vtable with disp %d at %p\n", displacement, code);*/
+ }
+ }
+#endif
+ /* this is the IMT trampoline */
+#ifdef MONO_ARCH_HAVE_IMT
+ if (m == MONO_FAKE_IMT_METHOD) {
+ MonoMethod *impl_method;
+ /* we get the interface method because mono_convert_imt_slot_to_vtable_slot ()
+ * needs the signature to be able to find the this argument
+ */
+ m = mono_arch_find_imt_method ((gpointer*)regs, code);
+ vtable_slot = mono_arch_get_vcall_slot_addr (code, (gpointer*)regs);
+ g_assert (vtable_slot);
+ vtable_slot = mono_convert_imt_slot_to_vtable_slot (vtable_slot, (gpointer*)regs, code, m, &impl_method);
+ /* mono_convert_imt_slot_to_vtable_slot () also gives us the method that is supposed
+ * to be called, so we compile it and go ahead as usual.
+ */
+ /*g_print ("imt found method %p (%s) at %p\n", impl_method, impl_method->name, code);*/
+ m = impl_method;
+ }
+#endif
+
addr = mono_compile_method (m);
g_assert (addr);
+ mono_debugger_trampoline_compiled (m, addr);
+
/* the method was jumped to */
if (!code)
return addr;
g_assert (*vtable_slot);
- if (mono_aot_is_got_entry (code, (guint8*)vtable_slot) || mono_domain_owns_vtable_slot (mono_domain_get (), vtable_slot))
+ if (mono_aot_is_got_entry (code, (guint8*)vtable_slot) || mono_domain_owns_vtable_slot (mono_domain_get (), vtable_slot)) {
+#ifdef MONO_ARCH_HAVE_IMT
+ vtable_slot = mono_convert_imt_slot_to_vtable_slot (vtable_slot, (gpointer*)regs, code, m, NULL);
+#endif
*vtable_slot = mono_get_addr_from_ftnptr (addr);
+ }
}
else {
guint8 *plt_entry = mono_aot_get_plt_entry (code);
mono_arch_patch_plt_entry (plt_entry, addr);
} else {
MonoJitInfo *ji =
- mono_jit_info_table_find (mono_domain_get (), code);
+ mono_jit_info_table_find (mono_domain_get (), (char*)code);
MonoJitInfo *target_ji =
mono_jit_info_table_find (mono_domain_get (), mono_get_addr_from_ftnptr (addr));
* is AppDomain:InvokeInDomain, so this is the same check as in
* mono_method_same_domain () but without loading the metadata for the method.
*/
- if ((is_got_entry && (mono_domain_get () == mono_get_root_domain ())) || mono_domain_owns_vtable_slot (mono_domain_get (), vtable_slot))
+ if ((is_got_entry && (mono_domain_get () == mono_get_root_domain ())) || mono_domain_owns_vtable_slot (mono_domain_get (), vtable_slot)) {
+#ifdef MONO_ARCH_HAVE_IMT
+ if (!method)
+ method = mono_get_method (image, token, NULL);
+ vtable_slot = mono_convert_imt_slot_to_vtable_slot (vtable_slot, (gpointer*)regs, code, method, NULL);
+#endif
*vtable_slot = addr;
+ }
return addr;
}
}
}
+/**
+ * mono_generic_class_init_trampoline:
+ *
+ * This method calls mono_runtime_class_init () to run the static constructor
+ * for the type.
+ */
+void
+mono_generic_class_init_trampoline (gssize *regs, guint8 *code, MonoVTable *vtable, guint8 *tramp)
+{
+ //g_print ("generic class init for class %s.%s\n", vtable->klass->name_space, vtable->klass->name);
+
+ mono_runtime_class_init (vtable);
+
+ //g_print ("done initing generic\n");
+}
+
#ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
/**
* mono_delegate_trampoline:
*
- * This trampoline handles calls made from the delegate invoke wrapper. It patches
- * the function address inside the delegate.
+ * This trampoline handles calls made to Delegate:Invoke ().
*/
gpointer
-mono_delegate_trampoline (gssize *regs, guint8 *code, MonoMethod *m, guint8* tramp)
+mono_delegate_trampoline (gssize *regs, guint8 *code, MonoClass *klass, guint8* tramp)
{
- gpointer addr;
+ MonoDomain *domain = mono_domain_get ();
+ MonoDelegate *delegate;
+ MonoJitInfo *ji;
+ MonoMethod *invoke, *m;
+ MonoMethod *method = NULL;
+ gboolean multicast, callvirt;
- addr = mono_compile_method (m);
- g_assert (addr);
+ invoke = mono_get_delegate_invoke (klass);
+ g_assert (invoke);
- mono_arch_patch_delegate_trampoline (code, tramp, regs, addr);
+ /* Obtain the delegate object according to the calling convention */
- return addr;
+ delegate = mono_arch_get_this_arg_from_call (mono_method_signature (invoke), regs, code);
+
+ if (!delegate->method_ptr && delegate->method) {
+ /* The delegate was initialized by mini_delegate_ctor */
+ method = delegate->method;
+
+ if (delegate->target && delegate->target->vtable->klass == mono_defaults.transparent_proxy_class)
+ method = mono_marshal_get_remoting_invoke (method);
+ else if (mono_method_signature (method)->hasthis && method->klass->valuetype)
+ method = mono_marshal_get_unbox_wrapper (method);
+ } else {
+ ji = mono_jit_info_table_find (domain, mono_get_addr_from_ftnptr (delegate->method_ptr));
+ if (ji)
+ method = ji->method;
+ }
+ callvirt = !delegate->target && method && mono_method_signature (method)->hasthis;
+
+ /*
+ * If the called address is a trampoline, replace it with the compiled method so
+ * further calls don't have to go through the trampoline.
+ */
+ if (method && !callvirt) {
+ delegate->method_ptr = mono_compile_method (method);
+ mono_debugger_trampoline_compiled (method, delegate->method_ptr);
+ }
+
+ multicast = ((MonoMulticastDelegate*)delegate)->prev != NULL;
+ if (!multicast && !callvirt) {
+ code = mono_arch_get_delegate_invoke_impl (mono_method_signature (invoke), delegate->target != NULL);
+
+ if (code) {
+ delegate->invoke_impl = code;
+ return code;
+ }
+ }
+
+ /* The general, unoptimized case */
+ m = mono_marshal_get_delegate_invoke (invoke, delegate);
+ delegate->invoke_impl = mono_compile_method (m);
+ mono_debugger_trampoline_compiled (m, delegate->invoke_impl);
+
+ return delegate->invoke_impl;
}
#endif
+
+/*
+ * mono_get_trampoline_func:
+ *
+ * Return the C function which needs to be called by the generic trampoline of type
+ * TRAMP_TYPE.
+ */
+gconstpointer
+mono_get_trampoline_func (MonoTrampolineType tramp_type)
+{
+ switch (tramp_type) {
+ case MONO_TRAMPOLINE_GENERIC:
+ case MONO_TRAMPOLINE_JUMP:
+ return mono_magic_trampoline;
+ case MONO_TRAMPOLINE_CLASS_INIT:
+ return mono_class_init_trampoline;
+ case MONO_TRAMPOLINE_GENERIC_CLASS_INIT:
+ return mono_generic_class_init_trampoline;
+#ifdef MONO_ARCH_AOT_SUPPORTED
+ case MONO_TRAMPOLINE_AOT:
+ return mono_aot_trampoline;
+ case MONO_TRAMPOLINE_AOT_PLT:
+ return mono_aot_plt_trampoline;
+#endif
+#ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
+ case MONO_TRAMPOLINE_DELEGATE:
+ return mono_delegate_trampoline;
+#endif
+ default:
+ g_assert_not_reached ();
+ return NULL;
+ }
+}
+
+
projects / mono.git / blobdiff