diff options
Diffstat (limited to 'src/mono/mono/component/marshal-ilgen.c')
| -rw-r--r-- | src/mono/mono/component/marshal-ilgen.c | 2861 |
1 files changed, 0 insertions, 2861 deletions
diff --git a/src/mono/mono/component/marshal-ilgen.c b/src/mono/mono/component/marshal-ilgen.c deleted file mode 100644 index e6deeea5564..00000000000 --- a/src/mono/mono/component/marshal-ilgen.c +++ /dev/null @@ -1,2861 +0,0 @@ - -#include "mono/metadata/debug-helpers.h" -#include "metadata/marshal.h" -#include "component/marshal-ilgen.h" -#include "mono/component/marshal-ilgen.h" -#include "mono/component/marshal-ilgen-noilgen.h" -#include "metadata/marshal-lightweight.h" -#include "metadata/marshal-shared.h" -#include "metadata/method-builder-ilgen.h" -#include "metadata/custom-attrs-internals.h" -#include "metadata/class-init.h" -#include "mono/metadata/class-internals.h" -#include "metadata/reflection-internals.h" -#include "mono/metadata/handle.h" -#include "mono/component/component.h" - -#define OPDEF(a,b,c,d,e,f,g,h,i,j) \ - a = i, - -enum { -#include "mono/cil/opcode.def" - LAST = 0xff -}; -#undef OPDEF - -#define mono_mb_emit_jit_icall(mb, name) (cb_to_mono->mb_emit_icall_id ((mb), MONO_JIT_ICALL_ ## name)) - -static GENERATE_GET_CLASS_WITH_CACHE (date_time, "System", "DateTime"); -static GENERATE_TRY_GET_CLASS_WITH_CACHE (icustom_marshaler, "System.Runtime.InteropServices", "ICustomMarshaler"); - -static void emit_string_free_icall (MonoMethodBuilder *mb, MonoMarshalConv conv); - -static void mono_marshal_ilgen_legacy_init (void); - -static gboolean ilgen_cb_inited = FALSE; -static MonoMarshalILgenCallbacks ilgen_marshal_cb; - -static IlgenCallbacksToMono *cb_to_mono; - -static bool -marshal_ilgen_available (void) -{ - return true; -} - -static MonoComponentMarshalILgen component_func_table = { - { MONO_COMPONENT_ITF_VERSION, &marshal_ilgen_available }, - &mono_marshal_ilgen_init, - &mono_emit_marshal_ilgen, - &mono_marshal_ilgen_install_callbacks_mono -}; - - -MonoComponentMarshalILgen* -mono_component_marshal_ilgen_init (void) -{ - return &component_func_table; -} - -void -mono_install_marshal_callbacks_ilgen (MonoMarshalILgenCallbacks *cb) -{ - g_assert (!ilgen_cb_inited); - g_assert (cb->version == MONO_MARSHAL_CALLBACKS_VERSION); - memcpy (&ilgen_marshal_cb, cb, sizeof (MonoMarshalILgenCallbacks)); - ilgen_cb_inited = TRUE; -} - -void -mono_marshal_ilgen_install_callbacks_mono (IlgenCallbacksToMono *callbacks) -{ - cb_to_mono = callbacks; -} - -static void -emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var) -{ - /* Call DestroyStructure */ - /* FIXME: Only do this if needed */ - cb_to_mono->mb_emit_byte (mb, MONO_CUSTOM_PREFIX); - cb_to_mono->mb_emit_op (mb, CEE_MONO_CLASSCONST, klass); - cb_to_mono->mb_emit_ldloc (mb, struct_var); - mono_mb_emit_jit_icall (mb, mono_struct_delete_old); -} - -static int -emit_marshal_array_ilgen (EmitMarshalContext *m, int argnum, MonoType *t, - MonoMarshalSpec *spec, - int conv_arg, MonoType **conv_arg_type, - MarshalAction action) -{ - MonoMethodBuilder *mb = m->mb; - MonoClass *klass = mono_class_from_mono_type_internal (t); - MonoMarshalNative encoding; - - encoding = cb_to_mono->get_string_encoding (m->piinfo, spec); - MonoType *int_type = cb_to_mono->get_int_type (); - MonoType *object_type = cb_to_mono->get_object_type (); - - MonoClass *eklass = m_class_get_element_class (klass); - - switch (action) { - case MARSHAL_ACTION_CONV_IN: - *conv_arg_type = object_type; - conv_arg = cb_to_mono->mb_add_local (mb, object_type); - - if (m_class_is_blittable (eklass)) { - cb_to_mono->mb_emit_ldarg (mb, argnum); - if (m_type_is_byref (t)) - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_I); - cb_to_mono->mb_emit_icall_id (mb, cb_to_mono->conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY, NULL)); - cb_to_mono->mb_emit_stloc (mb, conv_arg); - } else { -#ifdef DISABLE_NONBLITTABLE - char *msg = g_strdup ("Non-blittable marshalling conversion is disabled"); - cb_to_mono->mb_emit_exception_marshal_directive (mb, msg); -#else - guint32 label1, label2, label3; - int index_var, src_var, dest_ptr, esize; - MonoMarshalConv conv; - gboolean is_string = FALSE; - - dest_ptr = cb_to_mono->mb_add_local (mb, int_type); - - if (eklass == cb_to_mono->mono_defaults->string_class) { - is_string = TRUE; - conv = cb_to_mono->get_string_to_ptr_conv (m->piinfo, spec); - } - else if (eklass == cb_to_mono->try_get_stringbuilder_class ()) { - is_string = TRUE; - conv = cb_to_mono->get_stringbuilder_to_ptr_conv (m->piinfo, spec); - } - else - conv = MONO_MARSHAL_CONV_INVALID; - - if (is_string && conv == MONO_MARSHAL_CONV_INVALID) { - char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding); - cb_to_mono->mb_emit_exception_marshal_directive (mb, msg); - break; - } - - src_var = cb_to_mono->mb_add_local (mb, object_type); - cb_to_mono->mb_emit_ldarg (mb, argnum); - if (m_type_is_byref (t)) - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_I); - cb_to_mono->mb_emit_stloc (mb, src_var); - - /* Check null */ - cb_to_mono->mb_emit_ldloc (mb, src_var); - cb_to_mono->mb_emit_stloc (mb, conv_arg); - cb_to_mono->mb_emit_ldloc (mb, src_var); - label1 = cb_to_mono->mb_emit_branch (mb, CEE_BRFALSE); - - if (is_string) - esize = TARGET_SIZEOF_VOID_P; - else if (eklass == cb_to_mono->mono_defaults->char_class) /*can't call mono_marshal_type_size since it causes all sorts of asserts*/ - esize = cb_to_mono->pinvoke_is_unicode (m->piinfo) ? 2 : 1; - else - esize = cb_to_mono->class_native_size (eklass, NULL); - - /* allocate space for the native struct and store the address */ - cb_to_mono->mb_emit_icon (mb, esize); - cb_to_mono->mb_emit_ldloc (mb, src_var); - cb_to_mono->mb_emit_byte (mb, CEE_LDLEN); - - if (eklass == cb_to_mono->mono_defaults->string_class) { - /* Make the array bigger for the terminating null */ - cb_to_mono->mb_emit_byte (mb, CEE_LDC_I4_1); - cb_to_mono->mb_emit_byte (mb, CEE_ADD); - } - cb_to_mono->mb_emit_byte (mb, CEE_MUL); - cb_to_mono->mb_emit_byte (mb, CEE_PREFIX1); - cb_to_mono->mb_emit_byte (mb, CEE_LOCALLOC); - cb_to_mono->mb_emit_stloc (mb, conv_arg); - - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_stloc (mb, dest_ptr); - - /* Emit marshalling loop */ - index_var = cb_to_mono->mb_add_local (mb, int_type); - cb_to_mono->mb_emit_byte (mb, CEE_LDC_I4_0); - cb_to_mono->mb_emit_stloc (mb, index_var); - label2 = cb_to_mono->mb_get_label (mb); - cb_to_mono->mb_emit_ldloc (mb, index_var); - cb_to_mono->mb_emit_ldloc (mb, src_var); - cb_to_mono->mb_emit_byte (mb, CEE_LDLEN); - label3 = cb_to_mono->mb_emit_branch (mb, CEE_BGE); - - /* Emit marshalling code */ - - if (is_string) { - int stind_op; - cb_to_mono->mb_emit_ldloc (mb, dest_ptr); - cb_to_mono->mb_emit_ldloc (mb, src_var); - cb_to_mono->mb_emit_ldloc (mb, index_var); - cb_to_mono->mb_emit_byte (mb, CEE_LDELEM_REF); - cb_to_mono->mb_emit_icall_id (mb, cb_to_mono->conv_to_icall (conv, &stind_op)); - cb_to_mono->mb_emit_byte (mb, GINT_TO_UINT8 (stind_op)); - } else { - /* set the src_ptr */ - cb_to_mono->mb_emit_ldloc (mb, src_var); - cb_to_mono->mb_emit_ldloc (mb, index_var); - cb_to_mono->mb_emit_op (mb, CEE_LDELEMA, eklass); - cb_to_mono->mb_emit_stloc (mb, 0); - - /* set dst_ptr */ - cb_to_mono->mb_emit_ldloc (mb, dest_ptr); - cb_to_mono->mb_emit_stloc (mb, 1); - - /* emit valuetype conversion code */ - cb_to_mono->emit_struct_conv_full (mb, eklass, FALSE, 0, eklass == cb_to_mono->mono_defaults->char_class ? encoding : (MonoMarshalNative)-1); - } - - cb_to_mono->mb_emit_add_to_local (mb, GINT_TO_UINT16 (index_var), 1); - cb_to_mono->mb_emit_add_to_local (mb, GINT_TO_UINT16 (dest_ptr), esize); - - cb_to_mono->mb_emit_branch_label (mb, CEE_BR, label2); - - cb_to_mono->mb_patch_branch (mb, label3); - - if (eklass == cb_to_mono->mono_defaults->string_class) { - /* Null terminate */ - cb_to_mono->mb_emit_ldloc (mb, dest_ptr); - cb_to_mono->mb_emit_byte (mb, CEE_LDC_I4_0); - cb_to_mono->mb_emit_byte (mb, CEE_STIND_I); - } - - cb_to_mono->mb_patch_branch (mb, label1); -#endif - } - - break; - - case MARSHAL_ACTION_CONV_OUT: { -#ifndef DISABLE_NONBLITTABLE - gboolean need_convert, need_free; - /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */ - need_convert = ((eklass == cb_to_mono->mono_defaults->char_class) && (encoding == MONO_NATIVE_LPWSTR)) || (eklass == cb_to_mono->try_get_stringbuilder_class ()) || (t->attrs & PARAM_ATTRIBUTE_OUT); - need_free = cb_to_mono->need_free (m_class_get_byval_arg (eklass), m->piinfo, spec); - - if ((t->attrs & PARAM_ATTRIBUTE_OUT) && spec && spec->native == MONO_NATIVE_LPARRAY && spec->data.array_data.param_num != -1) { - int param_num = spec->data.array_data.param_num; - MonoType *param_type; - - param_type = m->sig->params [param_num]; - - if (m_type_is_byref (param_type) && param_type->type != MONO_TYPE_I4) { - char *msg = g_strdup ("Not implemented."); - cb_to_mono->mb_emit_exception_marshal_directive (mb, msg); - break; - } - - if (m_type_is_byref (t) ) { - cb_to_mono->mb_emit_ldarg (mb, argnum); - - /* Create the managed array */ - cb_to_mono->mb_emit_ldarg (mb, param_num); - if (m_type_is_byref (m->sig->params [param_num])) - // FIXME: Support other types - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_I4); - cb_to_mono->mb_emit_byte (mb, CEE_CONV_OVF_I); - cb_to_mono->mb_emit_op (mb, CEE_NEWARR, eklass); - /* Store into argument */ - cb_to_mono->mb_emit_byte (mb, CEE_STIND_REF); - } - } - - if (need_convert || need_free) { - /* FIXME: Optimize blittable case */ - guint32 label1, label2, label3; - int index_var, src_ptr, loc, esize; - - if ((eklass == cb_to_mono->try_get_stringbuilder_class ()) || (eklass == cb_to_mono->mono_defaults->string_class)) - esize = TARGET_SIZEOF_VOID_P; - else if (eklass == cb_to_mono->mono_defaults->char_class) - esize = cb_to_mono->pinvoke_is_unicode (m->piinfo) ? 2 : 1; - else - esize = cb_to_mono->class_native_size (eklass, NULL); - src_ptr = cb_to_mono->mb_add_local (mb, int_type); - loc = cb_to_mono->mb_add_local (mb, int_type); - - /* Check null */ - cb_to_mono->mb_emit_ldarg (mb, argnum); - if (m_type_is_byref (t)) - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_I); - label1 = cb_to_mono->mb_emit_branch (mb, CEE_BRFALSE); - - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_stloc (mb, src_ptr); - - /* Emit marshalling loop */ - index_var = cb_to_mono->mb_add_local (mb, int_type); - cb_to_mono->mb_emit_byte (mb, CEE_LDC_I4_0); - cb_to_mono->mb_emit_stloc (mb, index_var); - label2 = cb_to_mono->mb_get_label (mb); - cb_to_mono->mb_emit_ldloc (mb, index_var); - cb_to_mono->mb_emit_ldarg (mb, argnum); - if (m_type_is_byref (t)) - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_REF); - cb_to_mono->mb_emit_byte (mb, CEE_LDLEN); - label3 = cb_to_mono->mb_emit_branch (mb, CEE_BGE); - - /* Emit marshalling code */ - - if (eklass == cb_to_mono->try_get_stringbuilder_class ()) { - gboolean need_free2; - MonoMarshalConv conv = cb_to_mono->get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2); - - g_assert (conv != MONO_MARSHAL_CONV_INVALID); - - /* dest */ - cb_to_mono->mb_emit_ldarg (mb, argnum); - if (m_type_is_byref (t)) - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_I); - cb_to_mono->mb_emit_ldloc (mb, index_var); - cb_to_mono->mb_emit_byte (mb, CEE_LDELEM_REF); - - /* src */ - cb_to_mono->mb_emit_ldloc (mb, src_ptr); - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_I); - - cb_to_mono->mb_emit_icall_id (mb, cb_to_mono->conv_to_icall (conv, NULL)); - - if (need_free) { - /* src */ - cb_to_mono->mb_emit_ldloc (mb, src_ptr); - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_I); - - mono_mb_emit_jit_icall (mb, mono_marshal_free); - } - } - else if (eklass == cb_to_mono->mono_defaults->string_class) { - if (need_free) { - /* src */ - cb_to_mono->mb_emit_ldloc (mb, src_ptr); - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_I); - - mono_mb_emit_jit_icall (mb, mono_marshal_free); - } - } - else { - if (need_convert) { - /* set the src_ptr */ - cb_to_mono->mb_emit_ldloc (mb, src_ptr); - cb_to_mono->mb_emit_stloc (mb, 0); - - /* set dst_ptr */ - cb_to_mono->mb_emit_ldarg (mb, argnum); - if (m_type_is_byref (t)) - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_REF); - cb_to_mono->mb_emit_ldloc (mb, index_var); - cb_to_mono->mb_emit_op (mb, CEE_LDELEMA, eklass); - cb_to_mono->mb_emit_stloc (mb, 1); - - /* emit valuetype conversion code */ - cb_to_mono->emit_struct_conv_full (mb, eklass, TRUE, 0, eklass == cb_to_mono->mono_defaults->char_class ? encoding : (MonoMarshalNative)-1); - } - - if (need_free) { - cb_to_mono->mb_emit_ldloc (mb, src_ptr); - cb_to_mono->mb_emit_stloc (mb, loc); - - emit_struct_free (mb, eklass, loc); - } - } - - cb_to_mono->mb_emit_add_to_local (mb, GINT_TO_UINT16 (index_var), 1); - cb_to_mono->mb_emit_add_to_local (mb, GINT_TO_UINT16 (src_ptr), esize); - - cb_to_mono->mb_emit_branch_label (mb, CEE_BR, label2); - - cb_to_mono->mb_patch_branch (mb, label1); - cb_to_mono->mb_patch_branch (mb, label3); - } -#endif - - if (m_class_is_blittable (eklass)) { - /* free memory allocated (if any) by MONO_MARSHAL_CONV_ARRAY_LPARRAY */ - - cb_to_mono->mb_emit_ldarg (mb, argnum); - if (m_type_is_byref (t)) - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_REF); - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_icall_id (mb, cb_to_mono->conv_to_icall (MONO_MARSHAL_FREE_LPARRAY, NULL)); - } - - break; - } - - case MARSHAL_ACTION_PUSH: - if (m_type_is_byref (t)) - cb_to_mono->mb_emit_ldloc_addr (mb, conv_arg); - else - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - break; - - case MARSHAL_ACTION_CONV_RESULT: { - cb_to_mono->mb_emit_byte (mb, CEE_POP); - char *msg = g_strdup_printf ("Cannot marshal 'return value': Invalid managed/unmanaged type combination."); - cb_to_mono->mb_emit_exception_marshal_directive (mb, msg); - break; - } - - case MARSHAL_ACTION_MANAGED_CONV_IN: { - guint32 label1, label2, label3; - int index_var, src_ptr, esize, param_num, num_elem; - MonoMarshalConv conv; - gboolean is_string = FALSE; - - conv_arg = cb_to_mono->mb_add_local (mb, object_type); - *conv_arg_type = int_type; - - if (m_type_is_byref (t)) { - char *msg = g_strdup ("Byref array marshalling to managed code is not implemented."); - cb_to_mono->mb_emit_exception_marshal_directive (mb, msg); - return conv_arg; - } - if (!spec) { - char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code."); - cb_to_mono->mb_emit_exception_marshal_directive (mb, msg); - return conv_arg; - } - - switch (spec->native) { - case MONO_NATIVE_LPARRAY: - break; - case MONO_NATIVE_SAFEARRAY: -#ifndef DISABLE_COM - if (spec->data.safearray_data.elem_type != MONO_VARIANT_VARIANT) { - char *msg = g_strdup ("Only SAFEARRAY(VARIANT) marshalling to managed code is implemented."); - cb_to_mono->mb_emit_exception_marshal_directive (mb, msg); - return conv_arg; - } - return mono_cominterop_emit_marshal_safearray (m, argnum, t, spec, conv_arg, conv_arg_type, action); -#endif - default: { - char *msg = g_strdup ("Unsupported array type marshalling to managed code."); - cb_to_mono->mb_emit_exception_marshal_directive (mb, msg); - return conv_arg; - } - } - - /* FIXME: t is from the method which is wrapped, not the delegate type */ - /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */ - - param_num = spec->data.array_data.param_num; - num_elem = spec->data.array_data.num_elem; - if (spec->data.array_data.elem_mult == 0) - /* param_num is not specified */ - param_num = -1; - - if (param_num == -1) { - if (num_elem <= 0) { - char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code."); - cb_to_mono->mb_emit_exception_marshal_directive (mb, msg); - return conv_arg; - } - } - - /* FIXME: Optimize blittable case */ - -#ifndef DISABLE_NONBLITTABLE - if (eklass == cb_to_mono->mono_defaults->string_class) { - is_string = TRUE; - gboolean need_free; - conv = cb_to_mono->get_ptr_to_string_conv (m->piinfo, spec, &need_free); - } - else if (eklass == cb_to_mono->try_get_stringbuilder_class ()) { - is_string = TRUE; - gboolean need_free; - conv = cb_to_mono->get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free); - } - else - conv = MONO_MARSHAL_CONV_INVALID; -#endif - - cb_to_mono->load_type_info (eklass); - - if (is_string) - esize = TARGET_SIZEOF_VOID_P; - else - esize = cb_to_mono->class_native_size (eklass, NULL); - src_ptr = cb_to_mono->mb_add_local (mb, int_type); - - cb_to_mono->mb_emit_byte (mb, CEE_LDNULL); - cb_to_mono->mb_emit_stloc (mb, conv_arg); - - /* Check param index */ - if (param_num != -1) { - if (param_num >= m->sig->param_count) { - char *msg = g_strdup ("Array size control parameter index is out of range."); - cb_to_mono->mb_emit_exception_marshal_directive (mb, msg); - return conv_arg; - } - switch (m->sig->params [param_num]->type) { - case MONO_TYPE_I1: - case MONO_TYPE_U1: - case MONO_TYPE_I2: - case MONO_TYPE_U2: - case MONO_TYPE_I4: - case MONO_TYPE_U4: - case MONO_TYPE_I: - case MONO_TYPE_U: - case MONO_TYPE_I8: - case MONO_TYPE_U8: - break; - default: { - char *msg = g_strdup ("Array size control parameter must be an integral type."); - cb_to_mono->mb_emit_exception_marshal_directive (mb, msg); - return conv_arg; - } - } - } - - /* Check null */ - cb_to_mono->mb_emit_ldarg (mb, argnum); - label1 = cb_to_mono->mb_emit_branch (mb, CEE_BRFALSE); - - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_stloc (mb, src_ptr); - - /* Create managed array */ - /* - * The LPArray marshalling spec says that sometimes param_num starts - * from 1, sometimes it starts from 0. But MS seems to allways start - * from 0. - */ - - if (param_num == -1) { - cb_to_mono->mb_emit_icon (mb, num_elem); - } else { - cb_to_mono->mb_emit_ldarg (mb, param_num); - if (num_elem > 0) { - cb_to_mono->mb_emit_icon (mb, num_elem); - cb_to_mono->mb_emit_byte (mb, CEE_ADD); - } - cb_to_mono->mb_emit_byte (mb, CEE_CONV_OVF_I); - } - - cb_to_mono->mb_emit_op (mb, CEE_NEWARR, eklass); - cb_to_mono->mb_emit_stloc (mb, conv_arg); - - if (m_class_is_blittable (eklass)) { - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_byte (mb, CEE_CONV_I); - cb_to_mono->mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArray, vector)); - cb_to_mono->mb_emit_byte (mb, CEE_ADD); - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_byte (mb, CEE_LDLEN); - cb_to_mono->mb_emit_icon (mb, esize); - cb_to_mono->mb_emit_byte (mb, CEE_MUL); - cb_to_mono->mb_emit_byte (mb, CEE_PREFIX1); - cb_to_mono->mb_emit_byte (mb, CEE_CPBLK); - cb_to_mono->mb_patch_branch (mb, label1); - break; - } -#ifdef DISABLE_NONBLITTABLE - else { - char *msg = g_strdup ("Non-blittable marshalling conversion is disabled"); - cb_to_mono->mb_emit_exception_marshal_directive (mb, msg); - } -#else - /* Emit marshalling loop */ - index_var = cb_to_mono->mb_add_local (mb, int_type); - cb_to_mono->mb_emit_byte (mb, CEE_LDC_I4_0); - cb_to_mono->mb_emit_stloc (mb, index_var); - label2 = cb_to_mono->mb_get_label (mb); - cb_to_mono->mb_emit_ldloc (mb, index_var); - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_byte (mb, CEE_LDLEN); - label3 = cb_to_mono->mb_emit_branch (mb, CEE_BGE); - - /* Emit marshalling code */ - if (is_string) { - g_assert (conv != MONO_MARSHAL_CONV_INVALID); - - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_ldloc (mb, index_var); - - cb_to_mono->mb_emit_ldloc (mb, src_ptr); - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_I); - - cb_to_mono->mb_emit_icall_id (mb, cb_to_mono->conv_to_icall (conv, NULL)); - cb_to_mono->mb_emit_byte (mb, CEE_STELEM_REF); - } - else { - char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented."); - cb_to_mono->mb_emit_exception_marshal_directive (mb, msg); - return conv_arg; - } - - cb_to_mono->mb_emit_add_to_local (mb, GINT_TO_UINT16 (index_var), 1); - cb_to_mono->mb_emit_add_to_local (mb, GINT_TO_UINT16 (src_ptr), esize); - - cb_to_mono->mb_emit_branch_label (mb, CEE_BR, label2); - - cb_to_mono->mb_patch_branch (mb, label1); - cb_to_mono->mb_patch_branch (mb, label3); -#endif - - break; - } - case MARSHAL_ACTION_MANAGED_CONV_OUT: { - guint32 label1, label2, label3; - int index_var, dest_ptr, esize, param_num, num_elem; - MonoMarshalConv conv; - gboolean is_string = FALSE; - - if (!spec) - /* Already handled in CONV_IN */ - break; - - /* These are already checked in CONV_IN */ - g_assert (!m_type_is_byref (t)); - g_assert (spec->native == MONO_NATIVE_LPARRAY); - g_assert (t->attrs & PARAM_ATTRIBUTE_OUT); - - param_num = spec->data.array_data.param_num; - num_elem = spec->data.array_data.num_elem; - - if (spec->data.array_data.elem_mult == 0) - /* param_num is not specified */ - param_num = -1; - - if (param_num == -1) { - if (num_elem <= 0) { - g_assert_not_reached (); - } - } - - /* FIXME: Optimize blittable case */ - -#ifndef DISABLE_NONBLITTABLE - if (eklass == cb_to_mono->mono_defaults->string_class) { - is_string = TRUE; - conv = cb_to_mono->get_string_to_ptr_conv (m->piinfo, spec); - } - else if (eklass == cb_to_mono->try_get_stringbuilder_class ()) { - is_string = TRUE; - conv = cb_to_mono->get_stringbuilder_to_ptr_conv (m->piinfo, spec); - } - else - conv = MONO_MARSHAL_CONV_INVALID; -#endif - - cb_to_mono->load_type_info (eklass); - - if (is_string) - esize = TARGET_SIZEOF_VOID_P; - else - esize = cb_to_mono->class_native_size (eklass, NULL); - - dest_ptr = cb_to_mono->mb_add_local (mb, int_type); - - /* Check null */ - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - label1 = cb_to_mono->mb_emit_branch (mb, CEE_BRFALSE); - - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_stloc (mb, dest_ptr); - - if (m_class_is_blittable (eklass)) { - /* dest */ - cb_to_mono->mb_emit_ldarg (mb, argnum); - /* src */ - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_byte (mb, CEE_CONV_I); - cb_to_mono->mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArray, vector)); - cb_to_mono->mb_emit_byte (mb, CEE_ADD); - /* length */ - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_byte (mb, CEE_LDLEN); - cb_to_mono->mb_emit_icon (mb, esize); - cb_to_mono->mb_emit_byte (mb, CEE_MUL); - cb_to_mono->mb_emit_byte (mb, CEE_PREFIX1); - cb_to_mono->mb_emit_byte (mb, CEE_CPBLK); - cb_to_mono->mb_patch_branch (mb, label1); - break; - } - -#ifndef DISABLE_NONBLITTABLE - /* Emit marshalling loop */ - index_var = cb_to_mono->mb_add_local (mb, int_type); - cb_to_mono->mb_emit_byte (mb, CEE_LDC_I4_0); - cb_to_mono->mb_emit_stloc (mb, index_var); - label2 = cb_to_mono->mb_get_label (mb); - cb_to_mono->mb_emit_ldloc (mb, index_var); - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_byte (mb, CEE_LDLEN); - label3 = cb_to_mono->mb_emit_branch (mb, CEE_BGE); - - /* Emit marshalling code */ - if (is_string) { - int stind_op; - g_assert (conv != MONO_MARSHAL_CONV_INVALID); - - /* dest */ - cb_to_mono->mb_emit_ldloc (mb, dest_ptr); - - /* src */ - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_ldloc (mb, index_var); - - cb_to_mono->mb_emit_byte (mb, CEE_LDELEM_REF); - - cb_to_mono->mb_emit_icall_id (mb, cb_to_mono->conv_to_icall (conv, &stind_op)); - cb_to_mono->mb_emit_byte (mb, GINT_TO_UINT8 (stind_op)); - } - else { - char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented."); - cb_to_mono->mb_emit_exception_marshal_directive (mb, msg); - return conv_arg; - } - - cb_to_mono->mb_emit_add_to_local (mb, GINT_TO_UINT16 (index_var), 1); - cb_to_mono->mb_emit_add_to_local (mb, GINT_TO_UINT16 (dest_ptr), esize); - - cb_to_mono->mb_emit_branch_label (mb, CEE_BR, label2); - - cb_to_mono->mb_patch_branch (mb, label1); - cb_to_mono->mb_patch_branch (mb, label3); -#endif - - break; - } - case MARSHAL_ACTION_MANAGED_CONV_RESULT: { -#ifndef DISABLE_NONBLITTABLE - guint32 label1, label2, label3; - int index_var, src, dest, esize; - MonoMarshalConv conv = MONO_MARSHAL_CONV_INVALID; - gboolean is_string = FALSE; - - g_assert (!m_type_is_byref (t)); - - cb_to_mono->load_type_info (eklass); - - if (eklass == cb_to_mono->mono_defaults->string_class) { - is_string = TRUE; - conv = cb_to_mono->get_string_to_ptr_conv (m->piinfo, spec); - } - else { - g_assert_not_reached (); - } - - if (is_string) - esize = TARGET_SIZEOF_VOID_P; - else if (eklass == cb_to_mono->mono_defaults->char_class) - esize = cb_to_mono->pinvoke_is_unicode (m->piinfo) ? 2 : 1; - else - esize = cb_to_mono->class_native_size (eklass, NULL); - - src = cb_to_mono->mb_add_local (mb, object_type); - dest = cb_to_mono->mb_add_local (mb, int_type); - - cb_to_mono->mb_emit_stloc (mb, src); - cb_to_mono->mb_emit_ldloc (mb, src); - cb_to_mono->mb_emit_stloc (mb, 3); - - /* Check for null */ - cb_to_mono->mb_emit_ldloc (mb, src); - label1 = cb_to_mono->mb_emit_branch (mb, CEE_BRFALSE); - - /* Allocate native array */ - cb_to_mono->mb_emit_icon (mb, esize); - cb_to_mono->mb_emit_ldloc (mb, src); - cb_to_mono->mb_emit_byte (mb, CEE_LDLEN); - - if (eklass == cb_to_mono->mono_defaults->string_class) { - /* Make the array bigger for the terminating null */ - cb_to_mono->mb_emit_byte (mb, CEE_LDC_I4_1); - cb_to_mono->mb_emit_byte (mb, CEE_ADD); - } - cb_to_mono->mb_emit_byte (mb, CEE_MUL); - mono_mb_emit_jit_icall (mb, ves_icall_marshal_alloc); - cb_to_mono->mb_emit_stloc (mb, dest); - cb_to_mono->mb_emit_ldloc (mb, dest); - cb_to_mono->mb_emit_stloc (mb, 3); - - /* Emit marshalling loop */ - index_var = cb_to_mono->mb_add_local (mb, int_type); - cb_to_mono->mb_emit_byte (mb, CEE_LDC_I4_0); - cb_to_mono->mb_emit_stloc (mb, index_var); - label2 = cb_to_mono->mb_get_label (mb); - cb_to_mono->mb_emit_ldloc (mb, index_var); - cb_to_mono->mb_emit_ldloc (mb, src); - cb_to_mono->mb_emit_byte (mb, CEE_LDLEN); - label3 = cb_to_mono->mb_emit_branch (mb, CEE_BGE); - - /* Emit marshalling code */ - if (is_string) { - int stind_op; - g_assert (conv != MONO_MARSHAL_CONV_INVALID); - - /* dest */ - cb_to_mono->mb_emit_ldloc (mb, dest); - - /* src */ - cb_to_mono->mb_emit_ldloc (mb, src); - cb_to_mono->mb_emit_ldloc (mb, index_var); - - cb_to_mono->mb_emit_byte (mb, CEE_LDELEM_REF); - - cb_to_mono->mb_emit_icall_id (mb, cb_to_mono->conv_to_icall (conv, &stind_op)); - cb_to_mono->mb_emit_byte (mb, GINT_TO_UINT8 (stind_op)); - } - else { - char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented."); - cb_to_mono->mb_emit_exception_marshal_directive (mb, msg); - return conv_arg; - } - - cb_to_mono->mb_emit_add_to_local (mb, GINT_TO_UINT16 (index_var), 1); - cb_to_mono->mb_emit_add_to_local (mb, GINT_TO_UINT16 (dest), esize); - - cb_to_mono->mb_emit_branch_label (mb, CEE_BR, label2); - - cb_to_mono->mb_patch_branch (mb, label3); - cb_to_mono->mb_patch_branch (mb, label1); -#endif - break; - } - default: - g_assert_not_reached (); - } - return conv_arg; -} - -static gboolean -emit_native_wrapper_validate_signature (MonoMethodBuilder *mb, MonoMethodSignature* sig, MonoMarshalSpec** mspecs) -{ - if (mspecs) { - for (int i = 0; i < sig->param_count; i ++) { - if (mspecs [i + 1] && mspecs [i + 1]->native == MONO_NATIVE_CUSTOM) { - if (!mspecs [i + 1]->data.custom_data.custom_name || *mspecs [i + 1]->data.custom_data.custom_name == '\0') { - cb_to_mono->mb_emit_exception_full (mb, "System", "TypeLoadException", g_strdup ("Missing ICustomMarshaler type")); - return FALSE; - } - - switch (sig->params[i]->type) { - case MONO_TYPE_CLASS: - case MONO_TYPE_OBJECT: - case MONO_TYPE_STRING: - case MONO_TYPE_ARRAY: - case MONO_TYPE_SZARRAY: - case MONO_TYPE_VALUETYPE: - break; - - default: - cb_to_mono->mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", g_strdup_printf ("custom marshalling of type %x is currently not supported", sig->params[i]->type)); - return FALSE; - } - } - else if (sig->params[i]->type == MONO_TYPE_VALUETYPE) { - MonoMarshalType *marshal_type = mono_marshal_load_type_info (mono_class_from_mono_type_internal (sig->params [i])); - for (guint32 field_idx = 0; field_idx < marshal_type->num_fields; ++field_idx) { - if (marshal_type->fields [field_idx].mspec && marshal_type->fields [field_idx].mspec->native == MONO_NATIVE_CUSTOM) { - cb_to_mono->mb_emit_exception_full (mb, "System", "TypeLoadException", g_strdup ("Value type includes custom marshaled fields")); - return FALSE; - } - } - } - } - } - - return TRUE; -} - -static int -emit_marshal_ptr_ilgen (EmitMarshalContext *m, int argnum, MonoType *t, - MonoMarshalSpec *spec, int conv_arg, - MonoType **conv_arg_type, MarshalAction action) -{ - MonoMethodBuilder *mb = m->mb; - switch (action) { - case MARSHAL_ACTION_CONV_IN: - /* MS seems to allow this in some cases, ie. bxc #158 */ - /* - if (MONO_TYPE_ISSTRUCT (t->data.type) && !mono_class_from_mono_type_internal (t->data.type)->blittable) { - char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1); - cb_to_mono->mb_emit_exception_marshal_directive (m->mb, msg); - } - */ - break; - - case MARSHAL_ACTION_PUSH: - cb_to_mono->mb_emit_ldarg (mb, argnum); - break; - - case MARSHAL_ACTION_CONV_RESULT: - /* no conversions necessary */ - cb_to_mono->mb_emit_stloc (mb, 3); - break; - - default: - break; - } - return conv_arg; -} - -static int -emit_marshal_boolean_ilgen (EmitMarshalContext *m, int argnum, MonoType *t, - MonoMarshalSpec *spec, - int conv_arg, MonoType **conv_arg_type, - MarshalAction action) -{ - MonoMethodBuilder *mb = m->mb; - MonoType *int_type = cb_to_mono->get_int_type (); - MonoType *boolean_type = m_class_get_byval_arg (cb_to_mono->mono_defaults->boolean_class); - - switch (action) { - case MARSHAL_ACTION_CONV_IN: { - MonoType *local_type; - int label_false; - guint8 ldc_op = CEE_LDC_I4_1; - - local_type = cb_to_mono->boolean_conv_in_get_local_type (spec, &ldc_op); - if (m_type_is_byref (t)) - *conv_arg_type = int_type; - else - *conv_arg_type = local_type; - conv_arg = cb_to_mono->mb_add_local (mb, local_type); - - cb_to_mono->mb_emit_ldarg (mb, argnum); - if (m_type_is_byref (t)) - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_I1); - label_false = cb_to_mono->mb_emit_branch (mb, CEE_BRFALSE); - cb_to_mono->mb_emit_byte (mb, ldc_op); - cb_to_mono->mb_emit_stloc (mb, conv_arg); - cb_to_mono->mb_patch_branch (mb, label_false); - - break; - } - - case MARSHAL_ACTION_CONV_OUT: - { - int label_false, label_end; - if (!m_type_is_byref (t)) - break; - - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - - label_false = cb_to_mono->mb_emit_branch (mb, CEE_BRFALSE); - cb_to_mono->mb_emit_byte (mb, CEE_LDC_I4_1); - - label_end = cb_to_mono->mb_emit_branch (mb, CEE_BR); - cb_to_mono->mb_patch_branch (mb, label_false); - cb_to_mono->mb_emit_byte (mb, CEE_LDC_I4_0); - cb_to_mono->mb_patch_branch (mb, label_end); - - cb_to_mono->mb_emit_byte (mb, CEE_STIND_I1); - break; - } - - case MARSHAL_ACTION_PUSH: - if (m_type_is_byref (t)) - cb_to_mono->mb_emit_ldloc_addr (mb, conv_arg); - else if (conv_arg) - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - else - cb_to_mono->mb_emit_ldarg (mb, argnum); - break; - - case MARSHAL_ACTION_CONV_RESULT: - /* maybe we need to make sure that it fits within 8 bits */ - cb_to_mono->mb_emit_stloc (mb, 3); - break; - - case MARSHAL_ACTION_MANAGED_CONV_IN: { - MonoClass* conv_arg_class = cb_to_mono->mono_defaults->int32_class; - guint8 ldop = CEE_LDIND_I4; - int label_null, label_false; - - conv_arg_class = cb_to_mono->boolean_managed_conv_in_get_conv_arg_class (spec, &ldop); - conv_arg = cb_to_mono->mb_add_local (mb, boolean_type); - - if (m_type_is_byref (t)) - *conv_arg_type = m_class_get_this_arg (conv_arg_class); - else - *conv_arg_type = m_class_get_byval_arg (conv_arg_class); - - - cb_to_mono->mb_emit_ldarg (mb, argnum); - - /* Check null */ - if (m_type_is_byref (t)) { - label_null = cb_to_mono->mb_emit_branch (mb, CEE_BRFALSE); - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_byte (mb, ldop); - } else - label_null = 0; - - label_false = cb_to_mono->mb_emit_branch (mb, CEE_BRFALSE); - cb_to_mono->mb_emit_byte (mb, CEE_LDC_I4_1); - cb_to_mono->mb_emit_stloc (mb, conv_arg); - cb_to_mono->mb_patch_branch (mb, label_false); - - if (m_type_is_byref (t)) - cb_to_mono->mb_patch_branch (mb, label_null); - break; - } - - case MARSHAL_ACTION_MANAGED_CONV_OUT: { - guint8 stop = CEE_STIND_I4; - guint8 ldc_op = CEE_LDC_I4_1; - int label_null,label_false, label_end; - - if (!m_type_is_byref (t)) - break; - if (spec) { - switch (spec->native) { - case MONO_NATIVE_I1: - case MONO_NATIVE_U1: - stop = CEE_STIND_I1; - break; - case MONO_NATIVE_VARIANTBOOL: - stop = CEE_STIND_I2; - ldc_op = CEE_LDC_I4_M1; - break; - default: - break; - } - } - - /* Check null */ - cb_to_mono->mb_emit_ldarg (mb, argnum); - label_null = cb_to_mono->mb_emit_branch (mb, CEE_BRFALSE); - - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - - label_false = cb_to_mono->mb_emit_branch (mb, CEE_BRFALSE); - cb_to_mono->mb_emit_byte (mb, ldc_op); - label_end = cb_to_mono->mb_emit_branch (mb, CEE_BR); - - cb_to_mono->mb_patch_branch (mb, label_false); - cb_to_mono->mb_emit_byte (mb, CEE_LDC_I4_0); - cb_to_mono->mb_patch_branch (mb, label_end); - - cb_to_mono->mb_emit_byte (mb, stop); - cb_to_mono->mb_patch_branch (mb, label_null); - break; - } - - default: - g_assert_not_reached (); - } - return conv_arg; -} - -static int -emit_marshal_char_ilgen (EmitMarshalContext *m, int argnum, MonoType *t, - MonoMarshalSpec *spec, int conv_arg, - MonoType **conv_arg_type, MarshalAction action) -{ - MonoMethodBuilder *mb = m->mb; - - switch (action) { - case MARSHAL_ACTION_PUSH: - /* fixme: dont know how to marshal that. We cant simply - * convert it to a one byte UTF8 character, because an - * unicode character may need more that one byte in UTF8 */ - cb_to_mono->mb_emit_ldarg (mb, argnum); - break; - - case MARSHAL_ACTION_CONV_RESULT: - /* fixme: we need conversions here */ - cb_to_mono->mb_emit_stloc (mb, 3); - break; - - default: - break; - } - return conv_arg; -} - -static int -emit_marshal_custom_ilgen_throw_exception (MonoMethodBuilder *mb, const char *exc_nspace, const char *exc_name, const char *msg, MarshalAction action) -{ - /* Throw exception and emit compensation code, if neccesary */ - switch (action) { - case MARSHAL_ACTION_CONV_IN: - case MARSHAL_ACTION_MANAGED_CONV_IN: - case MARSHAL_ACTION_CONV_RESULT: - case MARSHAL_ACTION_MANAGED_CONV_RESULT: - if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT)) - cb_to_mono->mb_emit_byte (mb, CEE_POP); - - cb_to_mono->mb_emit_exception_full (mb, exc_nspace, exc_name, msg); - - break; - case MARSHAL_ACTION_PUSH: - cb_to_mono->mb_emit_byte (mb, CEE_LDNULL); - break; - default: - break; - } - - return 0; -} - -static int -emit_marshal_custom_ilgen (EmitMarshalContext *m, int argnum, MonoType *t, - MonoMarshalSpec *spec, - int conv_arg, MonoType **conv_arg_type, - MarshalAction action) -{ - ERROR_DECL (error); - MonoType *mtype; - MonoClass *mklass; - static MonoClass *ICustomMarshaler = NULL; - static MonoMethod *cleanup_native, *cleanup_managed; - static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed; - MonoMethodBuilder *mb = m->mb; - MonoAssemblyLoadContext *alc = mono_alc_get_ambient (); - guint32 loc1; - int pos2; - - MonoType *int_type = cb_to_mono->get_int_type (); - MonoType *object_type = cb_to_mono->get_object_type (); - - if (!ICustomMarshaler) { - MonoClass *klass = mono_class_try_get_icustom_marshaler_class (); - if (!klass) - return emit_marshal_custom_ilgen_throw_exception (mb, "System", "ApplicationException", g_strdup ("Current profile doesn't support ICustomMarshaler"), action); - - cleanup_native = cb_to_mono->get_method_nofail (klass, "CleanUpNativeData", 1, 0); - g_assert (cleanup_native); - - cleanup_managed = cb_to_mono->get_method_nofail (klass, "CleanUpManagedData", 1, 0); - g_assert (cleanup_managed); - - marshal_managed_to_native = cb_to_mono->get_method_nofail (klass, "MarshalManagedToNative", 1, 0); - g_assert (marshal_managed_to_native); - - marshal_native_to_managed = cb_to_mono->get_method_nofail (klass, "MarshalNativeToManaged", 1, 0); - g_assert (marshal_native_to_managed); - - cb_to_mono->memory_barrier (); - ICustomMarshaler = klass; - } - - if (spec->data.custom_data.image) - mtype = cb_to_mono->reflection_type_from_name_checked (spec->data.custom_data.custom_name, alc, spec->data.custom_data.image, error); - else - mtype = cb_to_mono->reflection_type_from_name_checked (spec->data.custom_data.custom_name, alc, m->image, error); - - if (!mtype) - return emit_marshal_custom_ilgen_throw_exception (mb, "System", "TypeLoadException", g_strdup ("Failed to load ICustomMarshaler type"), action); - - mklass = mono_class_from_mono_type_internal (mtype); - g_assert (mklass != NULL); - - switch (action) { - case MARSHAL_ACTION_CONV_IN: - switch (t->type) { - case MONO_TYPE_CLASS: - case MONO_TYPE_OBJECT: - case MONO_TYPE_STRING: - case MONO_TYPE_ARRAY: - case MONO_TYPE_SZARRAY: - case MONO_TYPE_VALUETYPE: - break; - - default: - g_warning ("custom marshalling of type %x is currently not supported", t->type); - g_assert_not_reached (); - break; - } - - conv_arg = cb_to_mono->mb_add_local (mb, int_type); - - cb_to_mono->mb_emit_byte (mb, CEE_LDNULL); - cb_to_mono->mb_emit_stloc (mb, conv_arg); - - if (m_type_is_byref (t) && (t->attrs & PARAM_ATTRIBUTE_OUT)) - break; - - /* Minic MS.NET behavior */ - if (!m_type_is_byref (t) && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN)) - break; - - /* Check for null */ - cb_to_mono->mb_emit_ldarg (mb, argnum); - if (m_type_is_byref (t)) - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_I); - pos2 = cb_to_mono->mb_emit_branch (mb, CEE_BRFALSE); - - cb_to_mono->emit_marshal_custom_get_instance (mb, mklass, spec); - - cb_to_mono->mb_emit_ldarg (mb, argnum); - if (m_type_is_byref (t)) - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_REF); - - if (t->type == MONO_TYPE_VALUETYPE) { - /* - * Since we can't determine the type of the argument, we - * will assume the unmanaged function takes a pointer. - */ - *conv_arg_type = int_type; - - cb_to_mono->mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type_internal (t)); - } - - cb_to_mono->mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native); - cb_to_mono->mb_emit_stloc (mb, conv_arg); - - cb_to_mono->mb_patch_branch (mb, pos2); - break; - - case MARSHAL_ACTION_CONV_OUT: - /* Check for null */ - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - pos2 = cb_to_mono->mb_emit_branch (mb, CEE_BRFALSE); - - if (m_type_is_byref (t) && !(t->attrs & PARAM_ATTRIBUTE_OUT)) { - cb_to_mono->mb_emit_ldarg (mb, argnum); - - cb_to_mono->emit_marshal_custom_get_instance (mb, mklass, spec); - cb_to_mono->mb_emit_byte (mb, CEE_DUP); - - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_REF); - cb_to_mono->mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed); - - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed); - cb_to_mono->mb_emit_byte (mb, CEE_STIND_REF); - } else if (m_type_is_byref (t) && (t->attrs & PARAM_ATTRIBUTE_OUT)) { - cb_to_mono->mb_emit_ldarg (mb, argnum); - - cb_to_mono->emit_marshal_custom_get_instance (mb, mklass, spec); - - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed); - cb_to_mono->mb_emit_byte (mb, CEE_STIND_REF); - } else if (t->attrs & PARAM_ATTRIBUTE_OUT) { - cb_to_mono->emit_marshal_custom_get_instance (mb, mklass, spec); - - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed); - /* We have nowhere to store the result */ - cb_to_mono->mb_emit_byte (mb, CEE_POP); - } - - // Only call cleanup_native if MARSHAL_ACTION_CONV_IN called marshal_managed_to_native. - if (!(m_type_is_byref (t) && (t->attrs & PARAM_ATTRIBUTE_OUT)) && - !(!m_type_is_byref (t) && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))) { - cb_to_mono->emit_marshal_custom_get_instance (mb, mklass, spec); - - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - - cb_to_mono->mb_emit_op (mb, CEE_CALLVIRT, cleanup_native); - } - - cb_to_mono->mb_patch_branch (mb, pos2); - break; - - case MARSHAL_ACTION_PUSH: - if (m_type_is_byref (t)) - cb_to_mono->mb_emit_ldloc_addr (mb, conv_arg); - else - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - break; - - case MARSHAL_ACTION_CONV_RESULT: - cb_to_mono->mb_emit_stloc (mb, 3); - - /* Check for null */ - cb_to_mono->mb_emit_ldloc (mb, 3); - pos2 = cb_to_mono->mb_emit_branch (mb, CEE_BRFALSE); - - cb_to_mono->emit_marshal_custom_get_instance (mb, mklass, spec); - - cb_to_mono->mb_emit_ldloc (mb, 3); - cb_to_mono->mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed); - cb_to_mono->mb_emit_stloc (mb, 3); - - cb_to_mono->mb_patch_branch (mb, pos2); - break; - - case MARSHAL_ACTION_MANAGED_CONV_IN: - switch (t->type) { - case MONO_TYPE_CLASS: - case MONO_TYPE_OBJECT: - case MONO_TYPE_STRING: - case MONO_TYPE_ARRAY: - case MONO_TYPE_SZARRAY: - case MONO_TYPE_VALUETYPE: - case MONO_TYPE_BOOLEAN: - break; - - default: - g_warning ("custom marshalling of type %x is currently not supported", t->type); - g_assert_not_reached (); - break; - } - - conv_arg = cb_to_mono->mb_add_local (mb, object_type); - - cb_to_mono->mb_emit_byte (mb, CEE_LDNULL); - cb_to_mono->mb_emit_stloc (mb, conv_arg); - - if (m_type_is_byref (t) && t->attrs & PARAM_ATTRIBUTE_OUT) - break; - - /* Check for null */ - cb_to_mono->mb_emit_ldarg (mb, argnum); - if (m_type_is_byref (t)) - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_I); - pos2 = cb_to_mono->mb_emit_branch (mb, CEE_BRFALSE); - - cb_to_mono->emit_marshal_custom_get_instance (mb, mklass, spec); - - cb_to_mono->mb_emit_ldarg (mb, argnum); - if (m_type_is_byref (t)) - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_I); - - cb_to_mono->mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed); - cb_to_mono->mb_emit_stloc (mb, conv_arg); - - cb_to_mono->mb_patch_branch (mb, pos2); - break; - - case MARSHAL_ACTION_MANAGED_CONV_RESULT: - g_assert (!m_type_is_byref (t)); - - loc1 = cb_to_mono->mb_add_local (mb, object_type); - - cb_to_mono->mb_emit_stloc (mb, 3); - - cb_to_mono->mb_emit_ldloc (mb, 3); - cb_to_mono->mb_emit_stloc (mb, loc1); - - /* Check for null */ - cb_to_mono->mb_emit_ldloc (mb, 3); - pos2 = cb_to_mono->mb_emit_branch (mb, CEE_BRFALSE); - - cb_to_mono->emit_marshal_custom_get_instance (mb, mklass, spec); - cb_to_mono->mb_emit_byte (mb, CEE_DUP); - - cb_to_mono->mb_emit_ldloc (mb, 3); - cb_to_mono->mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native); - cb_to_mono->mb_emit_stloc (mb, 3); - - cb_to_mono->mb_emit_ldloc (mb, loc1); - cb_to_mono->mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed); - - cb_to_mono->mb_patch_branch (mb, pos2); - break; - - case MARSHAL_ACTION_MANAGED_CONV_OUT: - - /* Check for null */ - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - pos2 = cb_to_mono->mb_emit_branch (mb, CEE_BRFALSE); - - if (m_type_is_byref (t)) { - cb_to_mono->mb_emit_ldarg (mb, argnum); - - cb_to_mono->emit_marshal_custom_get_instance (mb, mklass, spec); - - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native); - cb_to_mono->mb_emit_byte (mb, CEE_STIND_I); - } - - // Only call cleanup_managed if MARSHAL_ACTION_MANAGED_CONV_IN called marshal_native_to_managed. - if (!(m_type_is_byref (t) && (t->attrs & PARAM_ATTRIBUTE_OUT))) { - cb_to_mono->emit_marshal_custom_get_instance (mb, mklass, spec); - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed); - } - - cb_to_mono->mb_patch_branch (mb, pos2); - break; - - default: - g_assert_not_reached (); - } - return conv_arg; -} - -static int -emit_marshal_asany_ilgen (EmitMarshalContext *m, int argnum, MonoType *t, - MonoMarshalSpec *spec, - int conv_arg, MonoType **conv_arg_type, - MarshalAction action) -{ - MonoMethodBuilder *mb = m->mb; - - MonoType *int_type = cb_to_mono->get_int_type (); - switch (action) { - case MARSHAL_ACTION_CONV_IN: { - MonoMarshalNative encoding = cb_to_mono->get_string_encoding (m->piinfo, NULL); - - g_assert (t->type == MONO_TYPE_OBJECT); - g_assert (!m_type_is_byref (t)); - - conv_arg = cb_to_mono->mb_add_local (mb, int_type); - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_icon (mb, encoding); - cb_to_mono->mb_emit_icon (mb, t->attrs); - mono_mb_emit_jit_icall (mb, mono_marshal_asany); - cb_to_mono->mb_emit_stloc (mb, conv_arg); - break; - } - - case MARSHAL_ACTION_PUSH: - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - break; - - case MARSHAL_ACTION_CONV_OUT: { - MonoMarshalNative encoding = cb_to_mono->get_string_encoding (m->piinfo, NULL); - - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_icon (mb, encoding); - cb_to_mono->mb_emit_icon (mb, t->attrs); - mono_mb_emit_jit_icall (mb, mono_marshal_free_asany); - break; - } - - default: - g_assert_not_reached (); - } - return conv_arg; -} - -static int -emit_marshal_vtype_ilgen (EmitMarshalContext *m, int argnum, MonoType *t, - MonoMarshalSpec *spec, - int conv_arg, MonoType **conv_arg_type, - MarshalAction action) -{ - MonoMethodBuilder *mb = m->mb; - MonoClass *klass, *date_time_class; - int pos = 0, pos2; - - klass = mono_class_from_mono_type_internal (t); - - date_time_class = mono_class_get_date_time_class (); - - MonoType *int_type = cb_to_mono->get_int_type (); - MonoType *double_type = m_class_get_byval_arg (cb_to_mono->mono_defaults->double_class); - - switch (action) { - case MARSHAL_ACTION_CONV_IN: - if (klass == date_time_class) { - /* Convert it to an OLE DATE type */ - - conv_arg = cb_to_mono->mb_add_local (mb, double_type); - - if (m_type_is_byref (t)) { - cb_to_mono->mb_emit_ldarg (mb, argnum); - pos = cb_to_mono->mb_emit_branch (mb, CEE_BRFALSE); - } - - if (!(m_type_is_byref (t) && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) { - if (!m_type_is_byref (t)) - m->csig->params [argnum - m->csig->hasthis] = double_type; - - MONO_STATIC_POINTER_INIT (MonoMethod, to_oadate) - to_oadate = cb_to_mono->get_method_nofail (date_time_class, "ToOADate", 0, 0); - g_assert (to_oadate); - MONO_STATIC_POINTER_INIT_END (MonoMethod, to_oadate) - - cb_to_mono->mb_emit_ldarg_addr (mb, argnum); - cb_to_mono->mb_emit_managed_call (mb, to_oadate, NULL); - cb_to_mono->mb_emit_stloc (mb, conv_arg); - } - - if (m_type_is_byref (t)) - cb_to_mono->mb_patch_branch (mb, pos); - break; - } - - if (mono_class_is_explicit_layout (klass) || m_class_is_blittable (klass) || m_class_is_enumtype (klass)) - break; - - conv_arg = cb_to_mono->mb_add_local (mb, int_type); - - /* store the address of the source into local variable 0 */ - if (m_type_is_byref (t)) - cb_to_mono->mb_emit_ldarg (mb, argnum); - else - cb_to_mono->mb_emit_ldarg_addr (mb, argnum); - - cb_to_mono->mb_emit_stloc (mb, 0); - - /* allocate space for the native struct and - * store the address into local variable 1 (dest) */ - cb_to_mono->mb_emit_icon (mb, cb_to_mono->class_native_size (klass, NULL)); - cb_to_mono->mb_emit_byte (mb, CEE_PREFIX1); - cb_to_mono->mb_emit_byte (mb, CEE_LOCALLOC); - cb_to_mono->mb_emit_stloc (mb, conv_arg); - - if (m_type_is_byref (t)) { - cb_to_mono->mb_emit_ldloc (mb, 0); - pos = cb_to_mono->mb_emit_branch (mb, CEE_BRFALSE); - } - - if (!(m_type_is_byref (t) && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) { - /* set dst_ptr */ - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_stloc (mb, 1); - - /* emit valuetype conversion code */ - cb_to_mono->emit_struct_conv (mb, klass, FALSE); - } - - if (m_type_is_byref (t)) - cb_to_mono->mb_patch_branch (mb, pos); - break; - - case MARSHAL_ACTION_PUSH: - if (spec && spec->native == MONO_NATIVE_LPSTRUCT) { - /* FIXME: */ - g_assert (!m_type_is_byref (t)); - - /* Have to change the signature since the vtype is passed byref */ - m->csig->params [argnum - m->csig->hasthis] = int_type; - - if (mono_class_is_explicit_layout (klass) || m_class_is_blittable (klass) || m_class_is_enumtype (klass)) - cb_to_mono->mb_emit_ldarg_addr (mb, argnum); - else - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - break; - } - - if (klass == date_time_class) { - if (m_type_is_byref (t)) - cb_to_mono->mb_emit_ldloc_addr (mb, conv_arg); - else - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - break; - } - - if (mono_class_is_explicit_layout (klass) || m_class_is_blittable (klass) || m_class_is_enumtype (klass)) { - cb_to_mono->mb_emit_ldarg (mb, argnum); - break; - } - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - if (!m_type_is_byref (t)) { - cb_to_mono->mb_emit_byte (mb, MONO_CUSTOM_PREFIX); - cb_to_mono->mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass); - } - break; - - case MARSHAL_ACTION_CONV_OUT: - if (klass == date_time_class) { - /* Convert from an OLE DATE type */ - - if (!m_type_is_byref (t)) - break; - - if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) { - - MONO_STATIC_POINTER_INIT (MonoMethod, from_oadate) - from_oadate = cb_to_mono->get_method_nofail (date_time_class, "FromOADate", 1, 0); - MONO_STATIC_POINTER_INIT_END (MonoMethod, from_oadate) - - g_assert (from_oadate); - - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_managed_call (mb, from_oadate, NULL); - cb_to_mono->mb_emit_op (mb, CEE_STOBJ, date_time_class); - } - break; - } - - if (mono_class_is_explicit_layout (klass) || m_class_is_blittable (klass) || m_class_is_enumtype (klass)) - break; - - if (m_type_is_byref (t)) { - /* dst = argument */ - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_stloc (mb, 1); - - cb_to_mono->mb_emit_ldloc (mb, 1); - pos = cb_to_mono->mb_emit_branch (mb, CEE_BRFALSE); - - if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) { - /* src = tmp_locals [i] */ - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_stloc (mb, 0); - - /* emit valuetype conversion code */ - cb_to_mono->emit_struct_conv (mb, klass, TRUE); - } - } - - emit_struct_free (mb, klass, conv_arg); - - if (m_type_is_byref (t)) - cb_to_mono->mb_patch_branch (mb, pos); - break; - - case MARSHAL_ACTION_CONV_RESULT: - if (mono_class_is_explicit_layout (klass) || m_class_is_blittable (klass)) { - cb_to_mono->mb_emit_stloc (mb, 3); - break; - } - - /* load pointer to returned value type */ - g_assert (m->vtaddr_var); - cb_to_mono->mb_emit_ldloc (mb, m->vtaddr_var); - /* store the address of the source into local variable 0 */ - cb_to_mono->mb_emit_stloc (mb, 0); - /* set dst_ptr */ - cb_to_mono->mb_emit_ldloc_addr (mb, 3); - cb_to_mono->mb_emit_stloc (mb, 1); - - /* emit valuetype conversion code */ - cb_to_mono->emit_struct_conv (mb, klass, TRUE); - break; - - case MARSHAL_ACTION_MANAGED_CONV_IN: - if (mono_class_is_explicit_layout (klass) || m_class_is_blittable (klass) || m_class_is_enumtype (klass)) { - conv_arg = 0; - break; - } - - conv_arg = cb_to_mono->mb_add_local (mb, m_class_get_byval_arg (klass)); - - if (t->attrs & PARAM_ATTRIBUTE_OUT) - break; - - if (m_type_is_byref (t)) - cb_to_mono->mb_emit_ldarg (mb, argnum); - else - cb_to_mono->mb_emit_ldarg_addr (mb, argnum); - cb_to_mono->mb_emit_stloc (mb, 0); - - if (m_type_is_byref (t)) { - cb_to_mono->mb_emit_ldloc (mb, 0); - pos = cb_to_mono->mb_emit_branch (mb, CEE_BRFALSE); - } - - cb_to_mono->mb_emit_ldloc_addr (mb, conv_arg); - cb_to_mono->mb_emit_stloc (mb, 1); - - /* emit valuetype conversion code */ - cb_to_mono->emit_struct_conv (mb, klass, TRUE); - - if (m_type_is_byref (t)) - cb_to_mono->mb_patch_branch (mb, pos); - break; - - case MARSHAL_ACTION_MANAGED_CONV_OUT: - if (mono_class_is_explicit_layout (klass) || m_class_is_blittable (klass) || m_class_is_enumtype (klass)) - break; - if (m_type_is_byref (t) && (t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT)) - break; - - /* Check for null */ - cb_to_mono->mb_emit_ldarg (mb, argnum); - pos2 = cb_to_mono->mb_emit_branch (mb, CEE_BRFALSE); - - /* Set src */ - cb_to_mono->mb_emit_ldloc_addr (mb, conv_arg); - cb_to_mono->mb_emit_stloc (mb, 0); - - /* Set dest */ - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_stloc (mb, 1); - - /* emit valuetype conversion code */ - cb_to_mono->emit_struct_conv (mb, klass, FALSE); - - cb_to_mono->mb_patch_branch (mb, pos2); - break; - - case MARSHAL_ACTION_MANAGED_CONV_RESULT: - if (mono_class_is_explicit_layout (klass) || m_class_is_blittable (klass) || m_class_is_enumtype (klass)) { - cb_to_mono->mb_emit_stloc (mb, 3); - m->retobj_var = 0; - break; - } - - /* load pointer to returned value type */ - g_assert (m->vtaddr_var); - cb_to_mono->mb_emit_ldloc (mb, m->vtaddr_var); - - /* store the address of the source into local variable 0 */ - cb_to_mono->mb_emit_stloc (mb, 0); - /* allocate space for the native struct and - * store the address into dst_ptr */ - m->retobj_var = cb_to_mono->mb_add_local (mb, int_type); - m->retobj_class = klass; - g_assert (m->retobj_var); - cb_to_mono->mb_emit_icon (mb, cb_to_mono->class_native_size (klass, NULL)); - cb_to_mono->mb_emit_byte (mb, CEE_CONV_I); - mono_mb_emit_jit_icall (mb, ves_icall_marshal_alloc); - cb_to_mono->mb_emit_stloc (mb, 1); - cb_to_mono->mb_emit_ldloc (mb, 1); - cb_to_mono->mb_emit_stloc (mb, m->retobj_var); - - /* emit valuetype conversion code */ - cb_to_mono->emit_struct_conv (mb, klass, FALSE); - break; - - default: - g_assert_not_reached (); - } - return conv_arg; -} - -static void -emit_string_free_icall (MonoMethodBuilder *mb, MonoMarshalConv conv) -{ - if (conv == MONO_MARSHAL_CONV_BSTR_STR || conv == MONO_MARSHAL_CONV_ANSIBSTR_STR || conv == MONO_MARSHAL_CONV_TBSTR_STR) - mono_mb_emit_jit_icall (mb, mono_free_bstr); - else - mono_mb_emit_jit_icall (mb, mono_marshal_free); -} - -static int -emit_marshal_string_ilgen (EmitMarshalContext *m, int argnum, MonoType *t, - MonoMarshalSpec *spec, - int conv_arg, MonoType **conv_arg_type, - MarshalAction action) -{ - MonoMethodBuilder *mb = m->mb; - MonoMarshalNative encoding = cb_to_mono->get_string_encoding (m->piinfo, spec); - MonoMarshalConv conv = cb_to_mono->get_string_to_ptr_conv (m->piinfo, spec); - gboolean need_free; - - MonoType *int_type = cb_to_mono->get_int_type (); - MonoType *object_type = cb_to_mono->get_object_type (); - switch (action) { - case MARSHAL_ACTION_CONV_IN: - *conv_arg_type = int_type; - conv_arg = cb_to_mono->mb_add_local (mb, int_type); - - if (m_type_is_byref (t)) { - if (t->attrs & PARAM_ATTRIBUTE_OUT) - break; - - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_I); - } else { - cb_to_mono->mb_emit_ldarg (mb, argnum); - } - - if (conv == MONO_MARSHAL_CONV_INVALID) { - char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding); - cb_to_mono->mb_emit_exception_marshal_directive (mb, msg); - } else { - cb_to_mono->mb_emit_icall_id (mb, cb_to_mono->conv_to_icall (conv, NULL)); - - cb_to_mono->mb_emit_stloc (mb, conv_arg); - } - break; - - case MARSHAL_ACTION_CONV_OUT: - conv = cb_to_mono->get_ptr_to_string_conv (m->piinfo, spec, &need_free); - if (conv == MONO_MARSHAL_CONV_INVALID) { - char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding); - cb_to_mono->mb_emit_exception_marshal_directive (mb, msg); - break; - } - - if (encoding == MONO_NATIVE_VBBYREFSTR) { - - if (!m_type_is_byref (t)) { - char *msg = g_strdup ("VBByRefStr marshalling requires a ref parameter."); - cb_to_mono->mb_emit_exception_marshal_directive (mb, msg); - break; - } - - MONO_STATIC_POINTER_INIT (MonoMethod, method) - - method = cb_to_mono->get_method_nofail (cb_to_mono->mono_defaults->string_class, "get_Length", -1, 0); - - MONO_STATIC_POINTER_INIT_END (MonoMethod, method) - - /* - * Have to allocate a new string with the same length as the original, and - * copy the contents of the buffer pointed to by CONV_ARG into it. - */ - g_assert (m_type_is_byref (t)); - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_I); - cb_to_mono->mb_emit_managed_call (mb, method, NULL); - mono_mb_emit_jit_icall (mb, mono_string_new_len_wrapper); - cb_to_mono->mb_emit_byte (mb, CEE_STIND_REF); - } else if (m_type_is_byref (t) && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) { - int stind_op; - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_icall_id (mb, cb_to_mono->conv_to_icall (conv, &stind_op)); - cb_to_mono->mb_emit_byte (mb, GINT_TO_UINT8 (stind_op)); - need_free = TRUE; - } - - if (need_free) { - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - emit_string_free_icall (mb, conv); - } - break; - - case MARSHAL_ACTION_PUSH: - if (m_type_is_byref (t) && encoding != MONO_NATIVE_VBBYREFSTR) - cb_to_mono->mb_emit_ldloc_addr (mb, conv_arg); - else - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - break; - - case MARSHAL_ACTION_CONV_RESULT: - cb_to_mono->mb_emit_stloc (mb, 0); - - conv = cb_to_mono->get_ptr_to_string_conv (m->piinfo, spec, &need_free); - if (conv == MONO_MARSHAL_CONV_INVALID) { - char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding); - cb_to_mono->mb_emit_exception_marshal_directive (mb, msg); - break; - } - - cb_to_mono->mb_emit_ldloc (mb, 0); - cb_to_mono->mb_emit_icall_id (mb, cb_to_mono->conv_to_icall (conv, NULL)); - cb_to_mono->mb_emit_stloc (mb, 3); - - /* free the string */ - cb_to_mono->mb_emit_ldloc (mb, 0); - emit_string_free_icall (mb, conv); - break; - - case MARSHAL_ACTION_MANAGED_CONV_IN: - conv_arg = cb_to_mono->mb_add_local (mb, object_type); - - *conv_arg_type = int_type; - - if (m_type_is_byref (t)) { - if (t->attrs & PARAM_ATTRIBUTE_OUT) - break; - } - - conv = cb_to_mono->get_ptr_to_string_conv (m->piinfo, spec, &need_free); - if (conv == MONO_MARSHAL_CONV_INVALID) { - char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding); - cb_to_mono->mb_emit_exception_marshal_directive (mb, msg); - break; - } - - cb_to_mono->mb_emit_ldarg (mb, argnum); - if (m_type_is_byref (t)) - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_I); - cb_to_mono->mb_emit_icall_id (mb, cb_to_mono->conv_to_icall (conv, NULL)); - cb_to_mono->mb_emit_stloc (mb, conv_arg); - break; - - case MARSHAL_ACTION_MANAGED_CONV_OUT: - if (m_type_is_byref (t)) { - if (conv_arg) { - int stind_op; - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_icall_id (mb, cb_to_mono->conv_to_icall (conv, &stind_op)); - cb_to_mono->mb_emit_byte (mb, GINT_TO_UINT8 (stind_op)); - } - } - break; - - case MARSHAL_ACTION_MANAGED_CONV_RESULT: - if (cb_to_mono->conv_to_icall (conv, NULL) == MONO_JIT_ICALL_mono_marshal_string_to_utf16) - /* We need to make a copy so the caller is able to free it */ - mono_mb_emit_jit_icall (mb, mono_marshal_string_to_utf16_copy); - else - cb_to_mono->mb_emit_icall_id (mb, cb_to_mono->conv_to_icall (conv, NULL)); - cb_to_mono->mb_emit_stloc (mb, 3); - break; - - default: - g_assert_not_reached (); - } - return conv_arg; -} - -static int -emit_marshal_safehandle_ilgen (EmitMarshalContext *m, int argnum, MonoType *t, - MonoMarshalSpec *spec, int conv_arg, - MonoType **conv_arg_type, MarshalAction action) -{ - MonoMethodBuilder *mb = m->mb; - MonoType *int_type = cb_to_mono->get_int_type (); - MonoType *boolean_type = m_class_get_byval_arg (cb_to_mono->mono_defaults->boolean_class); - - switch (action){ - case MARSHAL_ACTION_CONV_IN: { - int dar_release_slot, pos; - - conv_arg = cb_to_mono->mb_add_local (mb, int_type); - *conv_arg_type = int_type; - - if (!*cb_to_mono->get_sh_dangerous_add_ref()) - cb_to_mono->init_safe_handle (); - - cb_to_mono->mb_emit_ldarg (mb, argnum); - pos = cb_to_mono->mb_emit_branch (mb, CEE_BRTRUE); - cb_to_mono->mb_emit_exception (mb, "ArgumentNullException", NULL); - - cb_to_mono->mb_patch_branch (mb, pos); - - /* Create local to hold the ref parameter to DangerousAddRef */ - dar_release_slot = cb_to_mono->mb_add_local (mb, boolean_type); - - /* set release = false; */ - cb_to_mono->mb_emit_icon (mb, 0); - cb_to_mono->mb_emit_stloc (mb, dar_release_slot); - - if (m_type_is_byref (t)) { - int old_handle_value_slot = cb_to_mono->mb_add_local (mb, int_type); - - if (!cb_to_mono->is_in (t)) { - cb_to_mono->mb_emit_icon (mb, 0); - cb_to_mono->mb_emit_stloc (mb, conv_arg); - } else { - /* safehandle.DangerousAddRef (ref release) */ - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_REF); - cb_to_mono->mb_emit_ldloc_addr (mb, dar_release_slot); - cb_to_mono->mb_emit_managed_call (mb, *cb_to_mono->get_sh_dangerous_add_ref(), NULL); - - /* Pull the handle field from SafeHandle */ - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_REF); - cb_to_mono->mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle)); - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_I); - cb_to_mono->mb_emit_byte (mb, CEE_DUP); - cb_to_mono->mb_emit_stloc (mb, conv_arg); - cb_to_mono->mb_emit_stloc (mb, old_handle_value_slot); - } - } else { - /* safehandle.DangerousAddRef (ref release) */ - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_ldloc_addr (mb, dar_release_slot); - cb_to_mono->mb_emit_managed_call (mb, *cb_to_mono->get_sh_dangerous_add_ref(), NULL); - - /* Pull the handle field from SafeHandle */ - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle)); - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_I); - cb_to_mono->mb_emit_stloc (mb, conv_arg); - } - - break; - } - - case MARSHAL_ACTION_PUSH: - if (m_type_is_byref (t)) - cb_to_mono->mb_emit_ldloc_addr (mb, conv_arg); - else - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - break; - - case MARSHAL_ACTION_CONV_OUT: { - /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */ - int dar_release_slot = conv_arg + 1; - int label_next = 0; - - if (!*cb_to_mono->get_sh_dangerous_release()) - cb_to_mono->init_safe_handle (); - - if (m_type_is_byref (t)) { - /* If there was SafeHandle on input we have to release the reference to it */ - if (cb_to_mono->is_in (t)) { - cb_to_mono->mb_emit_ldloc (mb, dar_release_slot); - label_next = cb_to_mono->mb_emit_branch (mb, CEE_BRFALSE); - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_I); - cb_to_mono->mb_emit_managed_call (mb, *cb_to_mono->get_sh_dangerous_release (), NULL); - cb_to_mono->mb_patch_branch (mb, label_next); - } - - if (cb_to_mono->is_out (t)) { - ERROR_DECL (local_error); - MonoMethod *ctor; - - /* - * If the SafeHandle was marshalled on input we can skip the marshalling on - * output if the handle value is identical. - */ - if (cb_to_mono->is_in (t)) { - int old_handle_value_slot = dar_release_slot + 1; - cb_to_mono->mb_emit_ldloc (mb, old_handle_value_slot); - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - label_next = cb_to_mono->mb_emit_branch (mb, CEE_BEQ); - } - - /* - * Create an empty SafeHandle (of correct derived type). - * - * FIXME: If an out-of-memory situation or exception happens here we will - * leak the handle. We should move the allocation of the SafeHandle to the - * input marshalling code to prevent that. - */ - ctor = mono_class_get_method_from_name_checked (t->data.klass, ".ctor", 0, 0, local_error); - if (ctor == NULL || !is_ok (local_error)){ - cb_to_mono->mb_emit_exception (mb, "MissingMethodException", "parameterless constructor required"); - mono_error_cleanup (local_error); - break; - } - - /* refval = new SafeHandleDerived ()*/ - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_op (mb, CEE_NEWOBJ, ctor); - cb_to_mono->mb_emit_byte (mb, CEE_STIND_REF); - - /* refval.handle = returned_handle */ - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_REF); - cb_to_mono->mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle)); - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_byte (mb, CEE_STIND_I); - - if (cb_to_mono->is_in (t) && label_next) { - cb_to_mono->mb_patch_branch (mb, label_next); - } - } - } else { - cb_to_mono->mb_emit_ldloc (mb, dar_release_slot); - label_next = cb_to_mono->mb_emit_branch (mb, CEE_BRFALSE); - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_managed_call (mb, *cb_to_mono->get_sh_dangerous_release (), NULL); - cb_to_mono->mb_patch_branch (mb, label_next); - } - break; - } - - case MARSHAL_ACTION_CONV_RESULT: { - ERROR_DECL (error); - MonoMethod *ctor = NULL; - int intptr_handle_slot; - - if (mono_class_is_abstract (t->data.klass)) { - cb_to_mono->mb_emit_byte (mb, CEE_POP); - cb_to_mono->mb_emit_exception_marshal_directive (mb, g_strdup ("Returned SafeHandles should not be abstract")); - break; - } - - ctor = mono_class_get_method_from_name_checked (t->data.klass, ".ctor", 0, 0, error); - if (ctor == NULL || !is_ok (error)){ - mono_error_cleanup (error); - cb_to_mono->mb_emit_byte (mb, CEE_POP); - cb_to_mono->mb_emit_exception (mb, "MissingMethodException", "parameterless constructor required"); - break; - } - /* Store the IntPtr results into a local */ - intptr_handle_slot = cb_to_mono->mb_add_local (mb, int_type); - cb_to_mono->mb_emit_stloc (mb, intptr_handle_slot); - - /* Create return value */ - cb_to_mono->mb_emit_op (mb, CEE_NEWOBJ, ctor); - cb_to_mono->mb_emit_stloc (mb, 3); - - /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */ - cb_to_mono->mb_emit_ldloc (mb, 3); - cb_to_mono->mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle)); - cb_to_mono->mb_emit_ldloc (mb, intptr_handle_slot); - cb_to_mono->mb_emit_byte (mb, CEE_STIND_I); - break; - } - - case MARSHAL_ACTION_MANAGED_CONV_IN: - fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n"); - break; - - case MARSHAL_ACTION_MANAGED_CONV_OUT: - fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n"); - break; - - case MARSHAL_ACTION_MANAGED_CONV_RESULT: - fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n"); - break; - default: - printf ("Unhandled case for MarshalAction: %d\n", action); - } - return conv_arg; -} - -static int -emit_marshal_handleref_ilgen (EmitMarshalContext *m, int argnum, MonoType *t, - MonoMarshalSpec *spec, int conv_arg, - MonoType **conv_arg_type, MarshalAction action) -{ - MonoMethodBuilder *mb = m->mb; - - MonoType *int_type = cb_to_mono->get_int_type (); - switch (action){ - case MARSHAL_ACTION_CONV_IN: { - conv_arg = cb_to_mono->mb_add_local (mb, int_type); - *conv_arg_type = int_type; - - if (m_type_is_byref (t)) { - char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)"); - cb_to_mono->mb_emit_exception_marshal_directive (mb, msg); - break; - } - cb_to_mono->mb_emit_ldarg_addr (mb, argnum); - cb_to_mono->mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoHandleRef, handle)); - cb_to_mono->mb_emit_byte (mb, CEE_ADD); - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_I); - cb_to_mono->mb_emit_stloc (mb, conv_arg); - break; - } - - case MARSHAL_ACTION_PUSH: - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - break; - - case MARSHAL_ACTION_CONV_OUT: { - /* no resource release required */ - break; - } - - case MARSHAL_ACTION_CONV_RESULT: { - char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)"); - cb_to_mono->mb_emit_exception_marshal_directive (mb, msg); - break; - } - - case MARSHAL_ACTION_MANAGED_CONV_IN: - fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n"); - break; - - case MARSHAL_ACTION_MANAGED_CONV_OUT: - fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n"); - break; - - case MARSHAL_ACTION_MANAGED_CONV_RESULT: - fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n"); - break; - default: - fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action); - } - return conv_arg; -} - -static int -emit_marshal_object_ilgen (EmitMarshalContext *m, int argnum, MonoType *t, - MonoMarshalSpec *spec, - int conv_arg, MonoType **conv_arg_type, - MarshalAction action) -{ - MonoMethodBuilder *mb = m->mb; - MonoClass *klass = mono_class_from_mono_type_internal (t); - int pos, pos2, loc; - - MonoType *int_type = cb_to_mono->get_int_type (); - switch (action) { - case MARSHAL_ACTION_CONV_IN: - *conv_arg_type = int_type; - conv_arg = cb_to_mono->mb_add_local (mb, int_type); - - m->orig_conv_args [argnum] = 0; - - if (mono_class_from_mono_type_internal (t) == cb_to_mono->mono_defaults->object_class) { - char *msg = g_strdup_printf ("Marshalling of type object is not implemented"); - cb_to_mono->mb_emit_exception_marshal_directive (mb, msg); - break; - } - - if (m_class_is_delegate (klass)) { - if (m_type_is_byref (t)) { - if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) { - char *msg = g_strdup_printf ("Byref marshalling of delegates is not implemented."); - cb_to_mono->mb_emit_exception_marshal_directive (mb, msg); - } - cb_to_mono->mb_emit_byte (mb, CEE_LDNULL); - cb_to_mono->mb_emit_stloc (mb, conv_arg); - } else { - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_icall_id (mb, cb_to_mono->conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN, NULL)); - cb_to_mono->mb_emit_stloc (mb, conv_arg); - } - } else if (klass == cb_to_mono->try_get_stringbuilder_class ()) { - MonoMarshalNative encoding = cb_to_mono->get_string_encoding (m->piinfo, spec); - MonoMarshalConv conv = cb_to_mono->get_stringbuilder_to_ptr_conv (m->piinfo, spec); - -#if 0 - if (m_type_is_byref (t)) { - if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) { - char *msg = g_strdup_printf ("Byref marshalling of stringbuilders is not implemented."); - cb_to_mono->mb_emit_exception_marshal_directive (mb, msg); - } - break; - } -#endif - - if (m_type_is_byref (t) && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT)) - break; - - if (conv == MONO_MARSHAL_CONV_INVALID) { - char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding); - cb_to_mono->mb_emit_exception_marshal_directive (mb, msg); - break; - } - - cb_to_mono->mb_emit_ldarg (mb, argnum); - if (m_type_is_byref (t)) - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_I); - - cb_to_mono->mb_emit_icall_id (mb, cb_to_mono->conv_to_icall (conv, NULL)); - cb_to_mono->mb_emit_stloc (mb, conv_arg); - } else if (m_class_is_blittable (klass)) { - cb_to_mono->mb_emit_byte (mb, CEE_LDNULL); - cb_to_mono->mb_emit_stloc (mb, conv_arg); - - cb_to_mono->mb_emit_ldarg (mb, argnum); - pos = cb_to_mono->mb_emit_branch (mb, CEE_BRFALSE); - - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_ldflda (mb, MONO_ABI_SIZEOF (MonoObject)); - cb_to_mono->mb_emit_stloc (mb, conv_arg); - - cb_to_mono->mb_patch_branch (mb, pos); - break; - } else { - cb_to_mono->mb_emit_byte (mb, CEE_LDNULL); - cb_to_mono->mb_emit_stloc (mb, conv_arg); - - if (m_type_is_byref (t)) { - /* we dont need any conversions for out parameters */ - if (t->attrs & PARAM_ATTRIBUTE_OUT) - break; - - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_I); - - } else { - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_byte (mb, MONO_CUSTOM_PREFIX); - cb_to_mono->mb_emit_byte (mb, CEE_MONO_OBJADDR); - } - - /* store the address of the source into local variable 0 */ - cb_to_mono->mb_emit_stloc (mb, 0); - cb_to_mono->mb_emit_ldloc (mb, 0); - pos = cb_to_mono->mb_emit_branch (mb, CEE_BRFALSE); - - /* allocate space for the native struct and store the address */ - cb_to_mono->mb_emit_icon (mb, cb_to_mono->class_native_size (klass, NULL)); - cb_to_mono->mb_emit_byte (mb, CEE_PREFIX1); - cb_to_mono->mb_emit_byte (mb, CEE_LOCALLOC); - cb_to_mono->mb_emit_stloc (mb, conv_arg); - - if (m_type_is_byref (t)) { - /* Need to store the original buffer so we can free it later */ - m->orig_conv_args [argnum] = cb_to_mono->mb_add_local (mb, int_type); - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_stloc (mb, m->orig_conv_args [argnum]); - } - - /* set the src_ptr */ - cb_to_mono->mb_emit_ldloc (mb, 0); - cb_to_mono->mb_emit_ldflda (mb, MONO_ABI_SIZEOF (MonoObject)); - cb_to_mono->mb_emit_stloc (mb, 0); - - /* set dst_ptr */ - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_stloc (mb, 1); - - /* emit valuetype conversion code */ - cb_to_mono->emit_struct_conv (mb, klass, FALSE); - - cb_to_mono->mb_patch_branch (mb, pos); - } - break; - - case MARSHAL_ACTION_CONV_OUT: - if (klass == cb_to_mono->try_get_stringbuilder_class ()) { - gboolean need_free; - MonoMarshalNative encoding; - MonoMarshalConv conv; - - encoding = cb_to_mono->get_string_encoding (m->piinfo, spec); - conv = cb_to_mono->get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free); - - g_assert (encoding != -1); - - if (m_type_is_byref (t)) { - //g_assert (!(t->attrs & PARAM_ATTRIBUTE_OUT)); - - need_free = TRUE; - - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - - switch (encoding) { - case MONO_NATIVE_LPWSTR: - mono_mb_emit_jit_icall (mb, mono_string_utf16_to_builder2); - break; - case MONO_NATIVE_LPSTR: - mono_mb_emit_jit_icall (mb, mono_string_utf8_to_builder2); - break; - case MONO_NATIVE_UTF8STR: - mono_mb_emit_jit_icall (mb, mono_string_utf8_to_builder2); - break; - default: - g_assert_not_reached (); - } - - cb_to_mono->mb_emit_byte (mb, CEE_STIND_REF); - } else if (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN)) { - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - - cb_to_mono->mb_emit_icall_id (mb, cb_to_mono->conv_to_icall (conv, NULL)); - } - - if (need_free) { - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - mono_mb_emit_jit_icall (mb, mono_marshal_free); - } - break; - } - - if (m_class_is_delegate (klass)) { - if (m_type_is_byref (t)) { - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_byte (mb, MONO_CUSTOM_PREFIX); - cb_to_mono->mb_emit_op (mb, CEE_MONO_CLASSCONST, klass); - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_icall_id (mb, cb_to_mono->conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL, NULL)); - cb_to_mono->mb_emit_byte (mb, CEE_STIND_REF); - } - break; - } - - if (m_type_is_byref (t) && (t->attrs & PARAM_ATTRIBUTE_OUT)) { - /* allocate a new object */ - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_byte (mb, MONO_CUSTOM_PREFIX); - cb_to_mono->mb_emit_op (mb, CEE_MONO_NEWOBJ, klass); - cb_to_mono->mb_emit_byte (mb, CEE_STIND_REF); - } - - /* dst = *argument */ - cb_to_mono->mb_emit_ldarg (mb, argnum); - - if (m_type_is_byref (t)) - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_I); - - cb_to_mono->mb_emit_stloc (mb, 1); - - cb_to_mono->mb_emit_ldloc (mb, 1); - pos = cb_to_mono->mb_emit_branch (mb, CEE_BRFALSE); - - if (m_type_is_byref (t) || (t->attrs & PARAM_ATTRIBUTE_OUT)) { - cb_to_mono->mb_emit_ldloc (mb, 1); - cb_to_mono->mb_emit_icon (mb, MONO_ABI_SIZEOF (MonoObject)); - cb_to_mono->mb_emit_byte (mb, CEE_ADD); - cb_to_mono->mb_emit_stloc (mb, 1); - - /* src = tmp_locals [i] */ - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_stloc (mb, 0); - - /* emit valuetype conversion code */ - cb_to_mono->emit_struct_conv (mb, klass, TRUE); - - /* Free the structure returned by the native code */ - emit_struct_free (mb, klass, conv_arg); - - if (m->orig_conv_args [argnum]) { - /* - * If the native function changed the pointer, then free - * the original structure plus the new pointer. - */ - cb_to_mono->mb_emit_ldloc (mb, m->orig_conv_args [argnum]); - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - pos2 = cb_to_mono->mb_emit_branch (mb, CEE_BEQ); - - if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) { - g_assert (m->orig_conv_args [argnum]); - - emit_struct_free (mb, klass, m->orig_conv_args [argnum]); - } - - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - mono_mb_emit_jit_icall (mb, mono_marshal_free); - - cb_to_mono->mb_patch_branch (mb, pos2); - } - } - else - /* Free the original structure passed to native code */ - emit_struct_free (mb, klass, conv_arg); - - cb_to_mono->mb_patch_branch (mb, pos); - break; - - case MARSHAL_ACTION_PUSH: - if (m_type_is_byref (t)) - cb_to_mono->mb_emit_ldloc_addr (mb, conv_arg); - else - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - break; - - case MARSHAL_ACTION_CONV_RESULT: - if (m_class_is_delegate (klass)) { - g_assert (!m_type_is_byref (t)); - cb_to_mono->mb_emit_stloc (mb, 0); - cb_to_mono->mb_emit_byte (mb, MONO_CUSTOM_PREFIX); - cb_to_mono->mb_emit_op (mb, CEE_MONO_CLASSCONST, klass); - cb_to_mono->mb_emit_ldloc (mb, 0); - cb_to_mono->mb_emit_icall_id (mb, cb_to_mono->conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL, NULL)); - cb_to_mono->mb_emit_stloc (mb, 3); - } else if (klass == cb_to_mono->try_get_stringbuilder_class ()) { - // FIXME: - char *msg = g_strdup_printf ("Return marshalling of stringbuilders is not implemented."); - cb_to_mono->mb_emit_exception_marshal_directive (mb, msg); - } else { - /* set src */ - cb_to_mono->mb_emit_stloc (mb, 0); - - /* Make a copy since emit_conv modifies local 0 */ - loc = cb_to_mono->mb_add_local (mb, int_type); - cb_to_mono->mb_emit_ldloc (mb, 0); - cb_to_mono->mb_emit_stloc (mb, loc); - - cb_to_mono->mb_emit_byte (mb, CEE_LDNULL); - cb_to_mono->mb_emit_stloc (mb, 3); - - cb_to_mono->mb_emit_ldloc (mb, 0); - pos = cb_to_mono->mb_emit_branch (mb, CEE_BRFALSE); - - /* allocate result object */ - - cb_to_mono->mb_emit_byte (mb, MONO_CUSTOM_PREFIX); - cb_to_mono->mb_emit_op (mb, CEE_MONO_NEWOBJ, klass); - cb_to_mono->mb_emit_stloc (mb, 3); - - /* set dst */ - - cb_to_mono->mb_emit_ldloc (mb, 3); - cb_to_mono->mb_emit_ldflda (mb, MONO_ABI_SIZEOF (MonoObject)); - cb_to_mono->mb_emit_stloc (mb, 1); - - /* emit conversion code */ - cb_to_mono->emit_struct_conv (mb, klass, TRUE); - - emit_struct_free (mb, klass, loc); - - /* Free the pointer allocated by unmanaged code */ - cb_to_mono->mb_emit_ldloc (mb, loc); - mono_mb_emit_jit_icall (mb, mono_marshal_free); - cb_to_mono->mb_patch_branch (mb, pos); - } - break; - - case MARSHAL_ACTION_MANAGED_CONV_IN: - conv_arg = cb_to_mono->mb_add_local (mb, m_class_get_byval_arg (klass)); - - if (m_class_is_delegate (klass)) { - cb_to_mono->mb_emit_byte (mb, MONO_CUSTOM_PREFIX); - cb_to_mono->mb_emit_op (mb, CEE_MONO_CLASSCONST, klass); - cb_to_mono->mb_emit_ldarg (mb, argnum); - if (m_type_is_byref (t)) - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_I); - cb_to_mono->mb_emit_icall_id (mb, cb_to_mono->conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL, NULL)); - cb_to_mono->mb_emit_stloc (mb, conv_arg); - break; - } - - if (klass == cb_to_mono->try_get_stringbuilder_class ()) { - MonoMarshalNative encoding; - - encoding = cb_to_mono->get_string_encoding (m->piinfo, spec); - - // FIXME: - g_assert (encoding == MONO_NATIVE_LPSTR || encoding == MONO_NATIVE_UTF8STR); - - g_assert (!m_type_is_byref (t)); - g_assert (encoding != -1); - - cb_to_mono->mb_emit_ldarg (mb, argnum); - mono_mb_emit_jit_icall (mb, mono_string_utf8_to_builder2); - cb_to_mono->mb_emit_stloc (mb, conv_arg); - break; - } - - /* The class can not have an automatic layout */ - if (mono_class_is_auto_layout (klass)) { - cb_to_mono->mb_emit_auto_layout_exception (mb, klass); - break; - } - - if (t->attrs & PARAM_ATTRIBUTE_OUT) { - cb_to_mono->mb_emit_byte (mb, CEE_LDNULL); - cb_to_mono->mb_emit_stloc (mb, conv_arg); - break; - } - - /* Set src */ - cb_to_mono->mb_emit_ldarg (mb, argnum); - if (m_type_is_byref (t)) { - /* Check for NULL and raise an exception */ - pos2 = cb_to_mono->mb_emit_branch (mb, CEE_BRTRUE); - - cb_to_mono->mb_emit_exception (mb, "ArgumentNullException", NULL); - - cb_to_mono->mb_patch_branch (mb, pos2); - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_byte (mb, CEE_LDIND_I); - } - - cb_to_mono->mb_emit_stloc (mb, 0); - - cb_to_mono->mb_emit_byte (mb, CEE_LDC_I4_0); - cb_to_mono->mb_emit_stloc (mb, conv_arg); - - cb_to_mono->mb_emit_ldloc (mb, 0); - pos = cb_to_mono->mb_emit_branch (mb, CEE_BRFALSE); - - /* Create and set dst */ - cb_to_mono->mb_emit_byte (mb, MONO_CUSTOM_PREFIX); - cb_to_mono->mb_emit_op (mb, CEE_MONO_NEWOBJ, klass); - cb_to_mono->mb_emit_stloc (mb, conv_arg); - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_ldflda (mb, MONO_ABI_SIZEOF (MonoObject)); - cb_to_mono->mb_emit_stloc (mb, 1); - - /* emit valuetype conversion code */ - cb_to_mono->emit_struct_conv (mb, klass, TRUE); - - cb_to_mono->mb_patch_branch (mb, pos); - break; - - case MARSHAL_ACTION_MANAGED_CONV_OUT: - if (m_class_is_delegate (klass)) { - if (m_type_is_byref (t)) { - int stind_op; - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_icall_id (mb, cb_to_mono->conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN, &stind_op)); - cb_to_mono->mb_emit_byte (mb, GINT_TO_UINT8 (stind_op)); - break; - } - } - - if (m_type_is_byref (t)) { - /* Check for null */ - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - pos = cb_to_mono->mb_emit_branch (mb, CEE_BRTRUE); - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_byte (mb, CEE_LDC_I4_0); - cb_to_mono->mb_emit_byte (mb, CEE_STIND_I); - pos2 = cb_to_mono->mb_emit_branch (mb, CEE_BR); - - cb_to_mono->mb_patch_branch (mb, pos); - - /* Set src */ - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_ldflda (mb, MONO_ABI_SIZEOF (MonoObject)); - cb_to_mono->mb_emit_stloc (mb, 0); - - /* Allocate and set dest */ - cb_to_mono->mb_emit_icon (mb, cb_to_mono->class_native_size (klass, NULL)); - cb_to_mono->mb_emit_byte (mb, CEE_CONV_I); - mono_mb_emit_jit_icall (mb, ves_icall_marshal_alloc); - cb_to_mono->mb_emit_stloc (mb, 1); - - /* Update argument pointer */ - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_ldloc (mb, 1); - cb_to_mono->mb_emit_byte (mb, CEE_STIND_I); - - /* emit valuetype conversion code */ - cb_to_mono->emit_struct_conv (mb, klass, FALSE); - - cb_to_mono->mb_patch_branch (mb, pos2); - } else if (klass == cb_to_mono->try_get_stringbuilder_class ()) { - // FIXME: What to do here ? - } else { - /* byval [Out] marshalling */ - - /* FIXME: Handle null */ - - /* Set src */ - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_ldflda (mb, MONO_ABI_SIZEOF (MonoObject)); - cb_to_mono->mb_emit_stloc (mb, 0); - - /* Set dest */ - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_stloc (mb, 1); - - /* emit valuetype conversion code */ - cb_to_mono->emit_struct_conv (mb, klass, FALSE); - } - break; - - case MARSHAL_ACTION_MANAGED_CONV_RESULT: - if (m_class_is_delegate (klass)) { - cb_to_mono->mb_emit_icall_id (mb, cb_to_mono->conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN, NULL)); - cb_to_mono->mb_emit_stloc (mb, 3); - break; - } - - /* The class can not have an automatic layout */ - if (mono_class_is_auto_layout (klass)) { - cb_to_mono->mb_emit_auto_layout_exception (mb, klass); - break; - } - - cb_to_mono->mb_emit_stloc (mb, 0); - /* Check for null */ - cb_to_mono->mb_emit_ldloc (mb, 0); - pos = cb_to_mono->mb_emit_branch (mb, CEE_BRTRUE); - cb_to_mono->mb_emit_byte (mb, CEE_LDNULL); - cb_to_mono->mb_emit_stloc (mb, 3); - pos2 = cb_to_mono->mb_emit_branch (mb, CEE_BR); - - cb_to_mono->mb_patch_branch (mb, pos); - - /* Set src */ - cb_to_mono->mb_emit_ldloc (mb, 0); - cb_to_mono->mb_emit_ldflda (mb, MONO_ABI_SIZEOF (MonoObject)); - cb_to_mono->mb_emit_stloc (mb, 0); - - /* Allocate and set dest */ - cb_to_mono->mb_emit_icon (mb, cb_to_mono->class_native_size (klass, NULL)); - cb_to_mono->mb_emit_byte (mb, CEE_CONV_I); - mono_mb_emit_jit_icall (mb, ves_icall_marshal_alloc); - cb_to_mono->mb_emit_byte (mb, CEE_DUP); - cb_to_mono->mb_emit_stloc (mb, 1); - cb_to_mono->mb_emit_stloc (mb, 3); - - cb_to_mono->emit_struct_conv (mb, klass, FALSE); - - cb_to_mono->mb_patch_branch (mb, pos2); - break; - - default: - g_assert_not_reached (); - } - return conv_arg; -} - -static int -emit_marshal_variant_ilgen (EmitMarshalContext *m, int argnum, MonoType *t, - MonoMarshalSpec *spec, - int conv_arg, MonoType **conv_arg_type, - MarshalAction action) -{ -#ifndef DISABLE_COM - MonoMethodBuilder *mb = m->mb; - MonoType *variant_type = m_class_get_byval_arg (mono_class_get_variant_class ()); - MonoType *variant_type_byref = mono_class_get_byref_type (mono_class_get_variant_class ()); - MonoType *object_type = cb_to_mono->get_object_type (); - - switch (action) { - case MARSHAL_ACTION_CONV_IN: { - conv_arg = cb_to_mono->mb_add_local (mb, variant_type); - - if (m_type_is_byref (t)) - *conv_arg_type = variant_type_byref; - else - *conv_arg_type = variant_type; - - if (m_type_is_byref (t) && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT) - break; - - cb_to_mono->mb_emit_ldarg (mb, argnum); - if (m_type_is_byref (t)) - cb_to_mono->mb_emit_byte(mb, CEE_LDIND_REF); - cb_to_mono->mb_emit_ldloc_addr (mb, conv_arg); - cb_to_mono->mb_emit_managed_call (mb, mono_get_Marshal_GetNativeVariantForObject (), NULL); - break; - } - - case MARSHAL_ACTION_CONV_OUT: { - if (m_type_is_byref (t) && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) { - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_ldloc_addr (mb, conv_arg); - cb_to_mono->mb_emit_managed_call (mb, mono_get_Marshal_GetObjectForNativeVariant (), NULL); - cb_to_mono->mb_emit_byte (mb, CEE_STIND_REF); - } - - cb_to_mono->mb_emit_ldloc_addr (mb, conv_arg); - cb_to_mono->mb_emit_managed_call (mb, mono_get_Variant_Clear (), NULL); - break; - } - - case MARSHAL_ACTION_PUSH: - if (m_type_is_byref (t)) - cb_to_mono->mb_emit_ldloc_addr (mb, conv_arg); - else - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - break; - - case MARSHAL_ACTION_CONV_RESULT: { - char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type."); - cb_to_mono->mb_emit_exception_marshal_directive (mb, msg); - break; - } - - case MARSHAL_ACTION_MANAGED_CONV_IN: { - conv_arg = cb_to_mono->mb_add_local (mb, object_type); - - if (m_type_is_byref (t)) - *conv_arg_type = variant_type_byref; - else - *conv_arg_type = variant_type; - - if (m_type_is_byref (t) && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT) - break; - - if (m_type_is_byref (t)) - cb_to_mono->mb_emit_ldarg (mb, argnum); - else - cb_to_mono->mb_emit_ldarg_addr (mb, argnum); - cb_to_mono->mb_emit_managed_call (mb, mono_get_Marshal_GetObjectForNativeVariant (), NULL); - cb_to_mono->mb_emit_stloc (mb, conv_arg); - break; - } - - case MARSHAL_ACTION_MANAGED_CONV_OUT: { - if (m_type_is_byref (t) && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) { - cb_to_mono->mb_emit_ldloc (mb, conv_arg); - cb_to_mono->mb_emit_ldarg (mb, argnum); - cb_to_mono->mb_emit_managed_call (mb, mono_get_Marshal_GetNativeVariantForObject (), NULL); - } - break; - } - - case MARSHAL_ACTION_MANAGED_CONV_RESULT: { - char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type."); - cb_to_mono->mb_emit_exception_marshal_directive (mb, msg); - break; - } - - default: - g_assert_not_reached (); - } -#endif /* DISABLE_COM */ - - return conv_arg; -} - - -static MonoMarshalILgenCallbacks * -get_marshal_cb (void) -{ - if (G_UNLIKELY (!ilgen_cb_inited)) { -#ifdef ENABLE_ILGEN - mono_marshal_ilgen_init (); -#else - mono_marshal_noilgen_init_heavyweight (); -#endif - } - return &ilgen_marshal_cb; -} - -int -mono_emit_marshal_ilgen (EmitMarshalContext *m, int argnum, MonoType *t, - MonoMarshalSpec *spec, int conv_arg, - MonoType **conv_arg_type, MarshalAction action, MonoMarshalLightweightCallbacks* lightweigth_cb) -{ - if (spec && spec->native == MONO_NATIVE_CUSTOM) - return get_marshal_cb ()->emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action); - - if (spec && spec->native == MONO_NATIVE_ASANY) - return get_marshal_cb ()->emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action); - - switch (t->type) { - case MONO_TYPE_VALUETYPE: - if (t->data.klass == cb_to_mono->class_try_get_handleref_class ()) - return get_marshal_cb ()->emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action); - - return get_marshal_cb ()->emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action); - case MONO_TYPE_STRING: - return get_marshal_cb ()->emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action); - case MONO_TYPE_CLASS: - case MONO_TYPE_OBJECT: -#if !defined(DISABLE_COM) - if (spec && spec->native == MONO_NATIVE_STRUCT) - return get_marshal_cb ()->emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action); -#endif - -#if !defined(DISABLE_COM) - if ((spec && (spec->native == MONO_NATIVE_IUNKNOWN || - spec->native == MONO_NATIVE_IDISPATCH || - spec->native == MONO_NATIVE_INTERFACE)) || - (t->type == MONO_TYPE_CLASS && mono_cominterop_is_interface(t->data.klass))) - return mono_cominterop_emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action); - if (spec && (spec->native == MONO_NATIVE_SAFEARRAY) && - (spec->data.safearray_data.elem_type == MONO_VARIANT_VARIANT) && - ((action == MARSHAL_ACTION_CONV_OUT) || (action == MARSHAL_ACTION_CONV_IN) || (action == MARSHAL_ACTION_PUSH))) - return mono_cominterop_emit_marshal_safearray (m, argnum, t, spec, conv_arg, conv_arg_type, action); -#endif - - if (cb_to_mono->try_get_safehandle_class () != NULL && t->data.klass && - cb_to_mono->is_subclass_of_internal (t->data.klass, cb_to_mono->try_get_safehandle_class (), FALSE)) - return get_marshal_cb ()->emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action); - - return get_marshal_cb ()->emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action); - case MONO_TYPE_ARRAY: - case MONO_TYPE_SZARRAY: - return get_marshal_cb ()->emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action); - case MONO_TYPE_BOOLEAN: - return get_marshal_cb ()->emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action); - case MONO_TYPE_PTR: - return get_marshal_cb ()->emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action); - case MONO_TYPE_CHAR: - return get_marshal_cb ()->emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action); - case MONO_TYPE_I1: - case MONO_TYPE_U1: - case MONO_TYPE_I2: - case MONO_TYPE_U2: - case MONO_TYPE_I4: - case MONO_TYPE_U4: - case MONO_TYPE_I: - case MONO_TYPE_U: - case MONO_TYPE_R4: - case MONO_TYPE_R8: - case MONO_TYPE_I8: - case MONO_TYPE_U8: - case MONO_TYPE_FNPTR: - return lightweigth_cb->emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action); - case MONO_TYPE_GENERICINST: - if (mono_type_generic_inst_is_valuetype (t)) - return get_marshal_cb ()->emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action); - else - return get_marshal_cb ()->emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action); - default: - return conv_arg; - } -} - -void -mono_marshal_ilgen_init (void) -{ - MonoMarshalILgenCallbacks cb; - cb.version = MONO_MARSHAL_CALLBACKS_VERSION; - cb.emit_marshal_array = emit_marshal_array_ilgen; - cb.emit_marshal_ptr = emit_marshal_ptr_ilgen; - cb.emit_marshal_char = emit_marshal_char_ilgen; - cb.emit_marshal_vtype = emit_marshal_vtype_ilgen; - cb.emit_marshal_string = emit_marshal_string_ilgen; - cb.emit_marshal_variant = emit_marshal_variant_ilgen; - cb.emit_marshal_safehandle = emit_marshal_safehandle_ilgen; - cb.emit_marshal_object = emit_marshal_object_ilgen; - cb.emit_marshal_boolean = emit_marshal_boolean_ilgen; - cb.emit_marshal_custom = emit_marshal_custom_ilgen; - cb.emit_marshal_asany = emit_marshal_asany_ilgen; - cb.emit_marshal_handleref = emit_marshal_handleref_ilgen; - -#ifdef DISABLE_NONBLITTABLE - mono_marshal_noilgen_init_blittable (&cb); -#endif - mono_install_marshal_callbacks_ilgen (&cb); -} - - |