/** * \file * transform CIL into different opcodes for more * efficient interpretation * * Written by Bernie Solomon (bernard@ugsolutions.com) * Copyright (c) 2004. */ #include #include #include #include #include #include #include #include #include #include "mintops.h" #include "interp-internals.h" #include "interp.h" // TODO: export from marshal.c MonoDelegate* mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn); #define DEBUG 0 typedef struct { MonoClass *klass; unsigned char type; unsigned char flags; } StackInfo; typedef struct { MonoMethod *method; MonoMethodHeader *header; RuntimeMethod *rtm; const unsigned char *il_code; const unsigned char *ip; const unsigned char *last_ip; const unsigned char *in_start; int code_size; int *in_offsets; int *forward_refs; StackInfo **stack_state; int *stack_height; int *vt_stack_size; unsigned char *is_bb_start; unsigned short *new_code; unsigned short *new_code_end; unsigned short *new_ip; unsigned short *last_new_ip; unsigned int max_code_size; StackInfo *stack; StackInfo *sp; unsigned int max_stack_height; unsigned int vt_sp; unsigned int max_vt_sp; int n_data_items; int max_data_items; void **data_items; GHashTable *data_hash; } TransformData; #define MINT_TYPE_I1 0 #define MINT_TYPE_U1 1 #define MINT_TYPE_I2 2 #define MINT_TYPE_U2 3 #define MINT_TYPE_I4 4 #define MINT_TYPE_I8 5 #define MINT_TYPE_R4 6 #define MINT_TYPE_R8 7 #define MINT_TYPE_O 8 #define MINT_TYPE_P 9 #define MINT_TYPE_VT 10 #define STACK_TYPE_I4 0 #define STACK_TYPE_I8 1 #define STACK_TYPE_R8 2 #define STACK_TYPE_O 3 #define STACK_TYPE_VT 4 #define STACK_TYPE_MP 5 #define STACK_TYPE_F 6 static const char *stack_type_string [] = { "I4", "I8", "R8", "O ", "VT", "MP", "F " }; #if SIZEOF_VOID_P == 8 #define STACK_TYPE_I STACK_TYPE_I8 #else #define STACK_TYPE_I STACK_TYPE_I4 #endif static int stack_type [] = { STACK_TYPE_I4, /*I1*/ STACK_TYPE_I4, /*U1*/ STACK_TYPE_I4, /*I2*/ STACK_TYPE_I4, /*U2*/ STACK_TYPE_I4, /*I4*/ STACK_TYPE_I8, /*I8*/ STACK_TYPE_R8, /*R4*/ STACK_TYPE_R8, /*R8*/ STACK_TYPE_O, /*O*/ STACK_TYPE_MP, /*P*/ STACK_TYPE_VT }; static void grow_code (TransformData *td) { unsigned int old_ip_offset = td->new_ip - td->new_code; unsigned int old_last_ip_offset = td->last_new_ip - td->new_code; g_assert (old_ip_offset <= td->max_code_size); td->new_code = g_realloc (td->new_code, (td->max_code_size *= 2) * sizeof (td->new_code [0])); td->new_code_end = td->new_code + td->max_code_size; td->new_ip = td->new_code + old_ip_offset; td->last_new_ip = td->new_code + old_last_ip_offset; } #define ENSURE_CODE(td, n) \ do { \ if ((td)->new_ip + (n) > (td)->new_code_end) \ grow_code (td); \ } while (0) #define ADD_CODE(td, n) \ do { \ if ((td)->new_ip == (td)->new_code_end) \ grow_code (td); \ *(td)->new_ip++ = (n); \ } while (0) #define CHECK_STACK(td, n) \ do { \ int stack_size = (td)->sp - (td)->stack; \ if (stack_size < (n)) \ g_warning ("%s.%s: not enough values (%d < %d) on stack at %04x", \ (td)->method->klass->name, (td)->method->name, \ stack_size, n, (td)->ip - (td)->il_code); \ } while (0) #define ENSURE_I4(td, sp_off) \ do { \ if ((td)->sp [-sp_off].type == STACK_TYPE_I8) \ ADD_CODE(td, sp_off == 1 ? MINT_CONV_I4_I8 : MINT_CONV_I4_I8_SP); \ } while (0) static void handle_branch(TransformData *td, int short_op, int long_op, int offset) { int shorten_branch = 0; int target = td->ip + offset - td->il_code; if (target < 0 || target >= td->code_size) g_assert_not_reached (); if (offset > 0 && td->stack_height [target] < 0) { td->stack_height [target] = td->sp - td->stack; if (td->stack_height [target] > 0) td->stack_state [target] = g_memdup (td->stack, td->stack_height [target] * sizeof (td->stack [0])); td->vt_stack_size [target] = td->vt_sp; } if (offset < 0) { offset = td->in_offsets [target] - (td->new_ip - td->new_code); if (offset >= -32768) { shorten_branch = 1; } } else { int prev = td->forward_refs [target]; td->forward_refs [td->ip - td->il_code] = prev; td->forward_refs [target] = td->ip - td->il_code; offset = 0; if (td->header->code_size <= 25000) /* FIX to be precise somehow? */ shorten_branch = 1; } if (shorten_branch) { ADD_CODE(td, short_op); ADD_CODE(td, offset); } else { ADD_CODE(td, long_op); ADD_CODE(td, * (unsigned short *)(&offset)); ADD_CODE(td, * ((unsigned short *)&offset + 1)); } } static void one_arg_branch(TransformData *td, int mint_op, int offset) { int type = td->sp [-1].type == STACK_TYPE_O || td->sp [-1].type == STACK_TYPE_MP ? STACK_TYPE_I : td->sp [-1].type; int long_op = mint_op + type - STACK_TYPE_I4; int short_op = long_op + MINT_BRFALSE_I4_S - MINT_BRFALSE_I4; CHECK_STACK(td, 1); --td->sp; handle_branch (td, short_op, long_op, offset); } static void two_arg_branch(TransformData *td, int mint_op, int offset) { int type1 = td->sp [-1].type == STACK_TYPE_O || td->sp [-1].type == STACK_TYPE_MP ? STACK_TYPE_I : td->sp [-1].type; int type2 = td->sp [-2].type == STACK_TYPE_O || td->sp [-2].type == STACK_TYPE_MP ? STACK_TYPE_I : td->sp [-2].type; int long_op = mint_op + type1 - STACK_TYPE_I4; int short_op = long_op + MINT_BEQ_I4_S - MINT_BEQ_I4; CHECK_STACK(td, 2); if (type1 == STACK_TYPE_I4 && type2 == STACK_TYPE_I8) { ADD_CODE(td, MINT_CONV_I8_I4); td->in_offsets [td->ip - td->il_code]++; } else if (type1 == STACK_TYPE_I8 && type2 == STACK_TYPE_I4) { ADD_CODE(td, MINT_CONV_I8_I4_SP); td->in_offsets [td->ip - td->il_code]++; } else if (type1 != type2) { g_warning("%s.%s: branch type mismatch %d %d", td->method->klass->name, td->method->name, td->sp [-1].type, td->sp [-2].type); } td->sp -= 2; handle_branch (td, short_op, long_op, offset); } static void unary_arith_op(TransformData *td, int mint_op) { int op = mint_op + td->sp [-1].type - STACK_TYPE_I4; CHECK_STACK(td, 1); ADD_CODE(td, op); } static void binary_arith_op(TransformData *td, int mint_op) { int type1 = td->sp [-2].type; int type2 = td->sp [-1].type; int op; #if SIZEOF_VOID_P == 8 if ((type1 == STACK_TYPE_MP || type1 == STACK_TYPE_I8) && type2 == STACK_TYPE_I4) { ADD_CODE(td, MINT_CONV_I8_I4); type2 = STACK_TYPE_I8; } if (type1 == STACK_TYPE_I4 && (type2 == STACK_TYPE_MP || type2 == STACK_TYPE_I8)) { ADD_CODE(td, MINT_CONV_I8_I4_SP); type1 = STACK_TYPE_I8; td->sp [-2].type = STACK_TYPE_I8; } #endif if (type1 == STACK_TYPE_MP) type1 = STACK_TYPE_I; if (type2 == STACK_TYPE_MP) type2 = STACK_TYPE_I; if (type1 != type2) { g_warning("%s.%s: %04x arith type mismatch %s %d %d", td->method->klass->name, td->method->name, td->ip - td->il_code, mono_interp_opname[mint_op], type1, type2); } op = mint_op + type1 - STACK_TYPE_I4; CHECK_STACK(td, 2); ADD_CODE(td, op); --td->sp; } static void binary_int_op(TransformData *td, int mint_op) { int op = mint_op + td->sp [-1].type - STACK_TYPE_I4; CHECK_STACK(td, 2); if (td->sp [-1].type != td->sp [-2].type) g_warning("%s.%s: int type mismatch", td->method->klass->name, td->method->name); ADD_CODE(td, op); --td->sp; } static void shift_op(TransformData *td, int mint_op) { int op = mint_op + td->sp [-2].type - STACK_TYPE_I4; CHECK_STACK(td, 2); if (td->sp [-1].type != STACK_TYPE_I4) { g_warning("%s.%s: shift type mismatch %d", td->method->klass->name, td->method->name, td->sp [-2].type); } ADD_CODE(td, op); --td->sp; } static int mint_type(MonoType *type) { if (type->byref) return MINT_TYPE_P; enum_type: switch (type->type) { case MONO_TYPE_I1: return MINT_TYPE_I1; case MONO_TYPE_U1: case MONO_TYPE_BOOLEAN: return MINT_TYPE_U1; case MONO_TYPE_I2: return MINT_TYPE_I2; case MONO_TYPE_U2: case MONO_TYPE_CHAR: return MINT_TYPE_U2; case MONO_TYPE_I4: case MONO_TYPE_U4: return MINT_TYPE_I4; case MONO_TYPE_I: case MONO_TYPE_U: #if SIZEOF_VOID_P == 4 return MINT_TYPE_I4; #else return MINT_TYPE_I8; #endif case MONO_TYPE_PTR: return MINT_TYPE_P; case MONO_TYPE_R4: return MINT_TYPE_R4; case MONO_TYPE_I8: case MONO_TYPE_U8: return MINT_TYPE_I8; case MONO_TYPE_R8: return MINT_TYPE_R8; case MONO_TYPE_STRING: case MONO_TYPE_SZARRAY: case MONO_TYPE_CLASS: case MONO_TYPE_OBJECT: case MONO_TYPE_ARRAY: return MINT_TYPE_O; case MONO_TYPE_VALUETYPE: if (type->data.klass->enumtype) { type = mono_class_enum_basetype (type->data.klass); goto enum_type; } else return MINT_TYPE_VT; case MONO_TYPE_GENERICINST: type = &type->data.generic_class->container_class->byval_arg; goto enum_type; default: g_warning ("got type 0x%02x", type->type); g_assert_not_reached (); } return -1; } static int can_store (int stack_type, int var_type) { if (stack_type == STACK_TYPE_O || stack_type == STACK_TYPE_MP) stack_type = STACK_TYPE_I; if (var_type == STACK_TYPE_O || var_type == STACK_TYPE_MP) var_type = STACK_TYPE_I; return stack_type == var_type; } #define SET_SIMPLE_TYPE(s, ty) \ do { \ (s)->type = (ty); \ (s)->flags = 0; \ (s)->klass = NULL; \ } while (0) #define SET_TYPE(s, ty, k) \ do { \ (s)->type = (ty); \ (s)->flags = 0; \ (s)->klass = k; \ } while (0) #define PUSH_SIMPLE_TYPE(td, ty) \ do { \ int sp_height; \ (td)->sp++; \ sp_height = (td)->sp - (td)->stack; \ if (sp_height > (td)->max_stack_height) \ (td)->max_stack_height = sp_height; \ SET_SIMPLE_TYPE((td)->sp - 1, ty); \ } while (0) #define PUSH_TYPE(td, ty, k) \ do { \ int sp_height; \ (td)->sp++; \ sp_height = (td)->sp - (td)->stack; \ if (sp_height > (td)->max_stack_height) \ (td)->max_stack_height = sp_height; \ SET_TYPE((td)->sp - 1, ty, k); \ } while (0) #define PUSH_VT(td, size) \ do { \ (td)->vt_sp += ((size) + 7) & ~7; \ if ((td)->vt_sp > (td)->max_vt_sp) \ (td)->max_vt_sp = (td)->vt_sp; \ } while (0) #define POP_VT(td, size) \ do { \ (td)->vt_sp -= ((size) + 7) & ~7; \ } while (0) #if NO_UNALIGNED_ACCESS #define WRITE32(td, v) \ do { \ ENSURE_CODE(td, 2); \ * (guint16 *)((td)->new_ip) = * (guint16 *)(v); \ * ((guint16 *)((td)->new_ip) + 1) = * ((guint16 *)(v) + 1); \ (td)->new_ip += 2; \ } while (0) #define WRITE64(td, v) \ do { \ ENSURE_CODE(td, 4); \ * (guint16 *)((td)->new_ip) = * (guint16 *)(v); \ * ((guint16 *)((td)->new_ip) + 1) = * ((guint16 *)(v) + 1); \ * ((guint16 *)((td)->new_ip) + 2) = * ((guint16 *)(v) + 2); \ * ((guint16 *)((td)->new_ip) + 3) = * ((guint16 *)(v) + 3); \ (td)->new_ip += 4; \ } while (0) #else #define WRITE32(td, v) \ do { \ ENSURE_CODE(td, 2); \ * (guint32 *)((td)->new_ip) = * (guint32 *)(v); \ (td)->new_ip += 2; \ } while (0) #define WRITE64(td, v) \ do { \ ENSURE_CODE(td, 4); \ * (guint64 *)((td)->new_ip) = * (guint64 *)(v); \ (td)->new_ip += 4; \ } while (0) #endif static void load_arg(TransformData *td, int n) { int mt; MonoClass *klass = NULL; MonoType *type; gboolean hasthis = mono_method_signature (td->method)->hasthis; if (hasthis && n == 0) type = &td->method->klass->byval_arg; else type = mono_method_signature (td->method)->params [hasthis ? n - 1 : n]; mt = mint_type (type); if (mt == MINT_TYPE_VT) { gint32 size; klass = mono_class_from_mono_type (type); if (mono_method_signature (td->method)->pinvoke) size = mono_class_native_size (klass, NULL); else size = mono_class_value_size (klass, NULL); if (hasthis && n == 0) { mt = MINT_TYPE_P; ADD_CODE (td, MINT_LDARG_P); ADD_CODE (td, td->rtm->arg_offsets [n]); /* FIX for large offset */ klass = NULL; } else { PUSH_VT (td, size); ADD_CODE (td, MINT_LDARG_VT); ADD_CODE (td, td->rtm->arg_offsets [n]); /* FIX for large offset */ WRITE32 (td, &size); } } else { if (hasthis && n == 0) { mt = MINT_TYPE_P; ADD_CODE (td, MINT_LDARG_P); ADD_CODE (td, td->rtm->arg_offsets [n]); /* FIX for large offset */ klass = NULL; } else { ADD_CODE(td, MINT_LDARG_I1 + (mt - MINT_TYPE_I1)); ADD_CODE(td, td->rtm->arg_offsets [n]); /* FIX for large offset */ if (mt == MINT_TYPE_O) klass = mono_class_from_mono_type (type); } } PUSH_TYPE(td, stack_type[mt], klass); } static void store_arg(TransformData *td, int n) { int mt; CHECK_STACK (td, 1); MonoType *type; gboolean hasthis = mono_method_signature (td->method)->hasthis; if (hasthis && n == 0) type = &td->method->klass->byval_arg; else type = mono_method_signature (td->method)->params [n - !!hasthis]; mt = mint_type (type); if (mt == MINT_TYPE_VT) { gint32 size; MonoClass *klass = mono_class_from_mono_type (type); if (mono_method_signature (td->method)->pinvoke) size = mono_class_native_size (klass, NULL); else size = mono_class_value_size (klass, NULL); ADD_CODE(td, MINT_STARG_VT); ADD_CODE(td, td->rtm->arg_offsets [n]); WRITE32(td, &size); if (td->sp [-1].type == STACK_TYPE_VT) POP_VT(td, size); } else { ADD_CODE(td, MINT_STARG_I1 + (mt - MINT_TYPE_I1)); ADD_CODE(td, td->rtm->arg_offsets [n]); } --td->sp; } static void store_inarg(TransformData *td, int n) { MonoType *type; gboolean hasthis = mono_method_signature (td->method)->hasthis; if (hasthis && n == 0) type = &td->method->klass->byval_arg; else type = mono_method_signature (td->method)->params [n - !!hasthis]; int mt = mint_type (type); if (hasthis && n == 0) { ADD_CODE (td, MINT_STINARG_P); ADD_CODE (td, n); return; } if (mt == MINT_TYPE_VT) { MonoClass *klass = mono_class_from_mono_type (type); gint32 size; if (mono_method_signature (td->method)->pinvoke) size = mono_class_native_size (klass, NULL); else size = mono_class_value_size (klass, NULL); ADD_CODE(td, MINT_STINARG_VT); ADD_CODE(td, n); WRITE32(td, &size); } else { ADD_CODE(td, MINT_STINARG_I1 + (mt - MINT_TYPE_I1)); ADD_CODE(td, n); } } static void load_local(TransformData *td, int n) { MonoType *type = td->header->locals [n]; int mt = mint_type (type); int offset = td->rtm->local_offsets [n]; MonoClass *klass = NULL; if (mt == MINT_TYPE_VT) { klass = mono_class_from_mono_type (type); gint32 size = mono_class_value_size (klass, NULL); PUSH_VT(td, size); ADD_CODE(td, MINT_LDLOC_VT); ADD_CODE(td, offset); /*FIX for large offset */ WRITE32(td, &size); } else { g_assert (mt < MINT_TYPE_VT); if (mt == MINT_TYPE_I4 && !td->is_bb_start [td->in_start - td->il_code] && td->last_new_ip != NULL && td->last_new_ip [0] == MINT_STLOC_I4 && td->last_new_ip [1] == offset) { td->last_new_ip [0] = MINT_STLOC_NP_I4; } else if (mt == MINT_TYPE_O && !td->is_bb_start [td->in_start - td->il_code] && td->last_new_ip != NULL && td->last_new_ip [0] == MINT_STLOC_O && td->last_new_ip [1] == offset) { td->last_new_ip [0] = MINT_STLOC_NP_O; } else { ADD_CODE(td, MINT_LDLOC_I1 + (mt - MINT_TYPE_I1)); ADD_CODE(td, offset); /*FIX for large offset */ } if (mt == MINT_TYPE_O) klass = mono_class_from_mono_type (type); } PUSH_TYPE(td, stack_type[mt], klass); } static void store_local(TransformData *td, int n) { MonoType *type = td->header->locals [n]; int mt = mint_type (type); int offset = td->rtm->local_offsets [n]; CHECK_STACK (td, 1); #if SIZEOF_VOID_P == 8 if (td->sp [-1].type == STACK_TYPE_I4 && stack_type [mt] == STACK_TYPE_I8) { ADD_CODE(td, MINT_CONV_I8_I4); td->sp [-1].type = STACK_TYPE_I8; } #endif if (!can_store(td->sp [-1].type, stack_type [mt])) { g_warning("%s.%s: Store local stack type mismatch %d %d", td->method->klass->name, td->method->name, stack_type [mt], td->sp [-1].type); } if (mt == MINT_TYPE_VT) { MonoClass *klass = mono_class_from_mono_type (type); gint32 size = mono_class_value_size (klass, NULL); ADD_CODE(td, MINT_STLOC_VT); ADD_CODE(td, offset); /*FIX for large offset */ WRITE32(td, &size); if (td->sp [-1].type == STACK_TYPE_VT) POP_VT(td, size); } else { g_assert (mt < MINT_TYPE_VT); ADD_CODE(td, MINT_STLOC_I1 + (mt - MINT_TYPE_I1)); ADD_CODE(td, offset); /*FIX for large offset */ } --td->sp; } #define SIMPLE_OP(td, op) \ do { \ ADD_CODE(&td, op); \ ++td.ip; \ } while (0) static guint16 get_data_item_index (TransformData *td, void *ptr) { gpointer p = g_hash_table_lookup (td->data_hash, ptr); guint index; if (p != NULL) return GPOINTER_TO_UINT (p) - 1; if (td->max_data_items == td->n_data_items) { td->max_data_items = td->n_data_items == 0 ? 16 : 2 * td->max_data_items; td->data_items = g_realloc (td->data_items, td->max_data_items * sizeof(td->data_items [0])); } index = td->n_data_items; td->data_items [index] = ptr; ++td->n_data_items; g_hash_table_insert (td->data_hash, ptr, GUINT_TO_POINTER (index + 1)); return index; } static gboolean jit_call_supported (MonoMethod *method, MonoMethodSignature *sig) { GSList *l; if (sig->param_count > 6) return FALSE; if (sig->pinvoke) return FALSE; if (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) return FALSE; if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) return FALSE; if (method->is_inflated) return FALSE; if (method->string_ctor) return FALSE; for (l = jit_classes; l; l = l->next) { char *class_name = l->data; // FIXME: Namespaces if (!strcmp (method->klass->name, class_name)) return TRUE; } //return TRUE; return FALSE; } static void interp_transform_call (TransformData *td, MonoMethod *method, MonoMethod *target_method, MonoDomain *domain, MonoGenericContext *generic_context, unsigned char *is_bb_start, int body_start_offset, MonoClass *constrained_class, gboolean readonly) { MonoImage *image = method->klass->image; MonoMethodSignature *csignature; MonoError error; int virtual = *td->ip == CEE_CALLVIRT; int calli = *td->ip == CEE_CALLI || *td->ip == CEE_MONO_CALLI_EXTRA_ARG; int i; guint32 vt_stack_used = 0; guint32 vt_res_size = 0; int op = -1; int native = 0; int is_void = 0; guint32 token = read32 (td->ip + 1); if (target_method == NULL) { if (calli) { CHECK_STACK(td, 1); native = (method->wrapper_type != MONO_WRAPPER_DELEGATE_INVOKE && td->sp [-1].type == STACK_TYPE_I); --td->sp; if (method->wrapper_type != MONO_WRAPPER_NONE) csignature = (MonoMethodSignature *)mono_method_get_wrapper_data (method, token); else csignature = mono_metadata_parse_signature (image, token); if (generic_context) { csignature = mono_inflate_generic_signature (csignature, generic_context, &error); mono_error_cleanup (&error); /* FIXME: don't swallow the error */ } target_method = NULL; } else { if (method->wrapper_type == MONO_WRAPPER_NONE) target_method = mono_get_method_full (image, token, NULL, generic_context); else target_method = (MonoMethod *)mono_method_get_wrapper_data (method, token); csignature = mono_method_signature (target_method); if (target_method->klass == mono_defaults.string_class) { if (target_method->name [0] == 'g') { if (strcmp (target_method->name, "get_Chars") == 0) op = MINT_GETCHR; else if (strcmp (target_method->name, "get_Length") == 0) op = MINT_STRLEN; } } else if (mono_class_is_subclass_of (target_method->klass, mono_defaults.array_class, FALSE)) { if (!strcmp (target_method->name, "get_Rank")) { op = MINT_ARRAY_RANK; } else if (!strcmp (target_method->name, "get_Length")) { op = MINT_LDLEN; } else if (!strcmp (target_method->name, "Address")) { op = readonly ? MINT_LDELEMA : MINT_LDELEMA_TC; } } else if (target_method && generic_context) { csignature = mono_inflate_generic_signature (csignature, generic_context, &error); mono_error_cleanup (&error); /* FIXME: don't swallow the error */ target_method = mono_class_inflate_generic_method_checked (target_method, generic_context, &error); mono_error_cleanup (&error); /* FIXME: don't swallow the error */ } } } else { csignature = mono_method_signature (target_method); } if (constrained_class) { if (constrained_class->enumtype && !strcmp (target_method->name, "GetHashCode")) { /* Use the corresponding method from the base type to avoid boxing */ MonoType *base_type = mono_class_enum_basetype (constrained_class); g_assert (base_type); constrained_class = mono_class_from_mono_type (base_type); target_method = mono_class_get_method_from_name (constrained_class, target_method->name, 0); g_assert (target_method); } } if (constrained_class) { mono_class_setup_vtable (constrained_class); #if DEBUG_INTERP g_print ("CONSTRAINED.CALLVIRT: %s::%s. %s (%p) ->\n", target_method->klass->name, target_method->name, mono_signature_full_name (target_method->signature), target_method); #endif target_method = mono_get_method_constrained_with_method (image, target_method, constrained_class, generic_context, &error); #if DEBUG_INTERP g_print (" : %s::%s. %s (%p)\n", target_method->klass->name, target_method->name, mono_signature_full_name (target_method->signature), target_method); #endif mono_error_cleanup (&error); /* FIXME: don't swallow the error */ mono_class_setup_vtable (target_method->klass); if (constrained_class->valuetype && (target_method->klass == mono_defaults.object_class || target_method->klass == mono_defaults.enum_class->parent || target_method->klass == mono_defaults.enum_class)) { if (target_method->klass == mono_defaults.enum_class && (td->sp - csignature->param_count - 1)->type == STACK_TYPE_MP) { /* managed pointer on the stack, we need to deref that puppy */ ADD_CODE (td, MINT_LDIND_I); ADD_CODE (td, csignature->param_count); } ADD_CODE (td, MINT_BOX); ADD_CODE (td, get_data_item_index (td, constrained_class)); ADD_CODE (td, csignature->param_count); } else if (!constrained_class->valuetype) { /* managed pointer on the stack, we need to deref that puppy */ ADD_CODE (td, MINT_LDIND_I); ADD_CODE (td, csignature->param_count); } else { if (target_method->klass->valuetype) { /* Own method */ } else { /* Interface method */ int ioffset, slot; mono_class_setup_vtable (constrained_class); ioffset = mono_class_interface_offset (constrained_class, target_method->klass); if (ioffset == -1) g_error ("type load error: constrained_class"); slot = mono_method_get_vtable_slot (target_method); if (slot == -1) g_error ("type load error: target_method->klass"); target_method = constrained_class->vtable [ioffset + slot]; if (target_method->klass == mono_defaults.enum_class) { if ((td->sp - csignature->param_count - 1)->type == STACK_TYPE_MP) { /* managed pointer on the stack, we need to deref that puppy */ ADD_CODE (td, MINT_LDIND_I); ADD_CODE (td, csignature->param_count); } ADD_CODE (td, MINT_BOX); ADD_CODE (td, get_data_item_index (td, constrained_class)); ADD_CODE (td, csignature->param_count); } } virtual = FALSE; } } if (target_method) mono_class_init (target_method->klass); CHECK_STACK (td, csignature->param_count + csignature->hasthis); if (!calli && (!virtual || (target_method->flags & METHOD_ATTRIBUTE_VIRTUAL) == 0) && (target_method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) == 0 && (target_method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) == 0) { int called_inited = mono_class_vtable (domain, target_method->klass)->initialized; MonoMethodHeader *mheader = mono_method_get_header (target_method); if (/*mono_metadata_signature_equal (method->signature, target_method->signature) */ method == target_method && *(td->ip + 5) == CEE_RET) { int offset; if (mono_interp_traceopt) g_print ("Optimize tail call of %s.%s\n", target_method->klass->name, target_method->name); for (i = csignature->param_count - 1 + !!csignature->hasthis; i >= 0; --i) store_arg (td, i); ADD_CODE(td, MINT_BR_S); offset = body_start_offset - ((td->new_ip - 1) - td->new_code); ADD_CODE(td, offset); if (!is_bb_start [td->ip + 5 - td->il_code]) ++td->ip; /* gobble the CEE_RET if it isn't branched to */ td->ip += 5; return; } else { /* mheader might not exist if this is a delegate invoc, etc */ if (mheader && *mheader->code == CEE_RET && called_inited) { if (mono_interp_traceopt) g_print ("Inline (empty) call of %s.%s\n", target_method->klass->name, target_method->name); for (i = 0; i < csignature->param_count; i++) ADD_CODE (td, MINT_POP); /*FIX: vt */ ADD_CODE (td, 0); if (csignature->hasthis) { if (virtual) ADD_CODE(td, MINT_CKNULL); ADD_CODE (td, MINT_POP); ADD_CODE (td, 0); } td->sp -= csignature->param_count + csignature->hasthis; td->ip += 5; return; } } } if (method->wrapper_type == MONO_WRAPPER_NONE && target_method != NULL) { if (target_method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) target_method = mono_marshal_get_native_wrapper (target_method, FALSE, FALSE); if (!virtual && target_method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED) target_method = mono_marshal_get_synchronized_wrapper (target_method); } g_assert (csignature->call_convention == MONO_CALL_DEFAULT || csignature->call_convention == MONO_CALL_C); td->sp -= csignature->param_count + !!csignature->hasthis; for (i = 0; i < csignature->param_count; ++i) { if (td->sp [i + !!csignature->hasthis].type == STACK_TYPE_VT) { gint32 size; MonoClass *klass = mono_class_from_mono_type (csignature->params [i]); if (csignature->pinvoke && method->wrapper_type != MONO_WRAPPER_NONE) size = mono_class_native_size (klass, NULL); else size = mono_class_value_size (klass, NULL); size = (size + 7) & ~7; vt_stack_used += size; } } /* need to handle typedbyref ... */ if (csignature->ret->type != MONO_TYPE_VOID) { int mt = mint_type(csignature->ret); MonoClass *klass = mono_class_from_mono_type (csignature->ret); if (mt == MINT_TYPE_VT) { if (csignature->pinvoke && method->wrapper_type != MONO_WRAPPER_NONE) vt_res_size = mono_class_native_size (klass, NULL); else vt_res_size = mono_class_value_size (klass, NULL); PUSH_VT(td, vt_res_size); } PUSH_TYPE(td, stack_type[mt], klass); } else is_void = TRUE; if (op >= 0) { ADD_CODE (td, op); #if SIZEOF_VOID_P == 8 if (op == MINT_LDLEN) ADD_CODE (td, MINT_CONV_I4_I8); #endif if (op == MINT_LDELEMA || op == MINT_LDELEMA_TC) { ADD_CODE (td, get_data_item_index (td, target_method->klass)); ADD_CODE (td, 1 + target_method->klass->rank); } } else if (!calli && !virtual && jit_call_supported (target_method, csignature)) { ADD_CODE(td, MINT_JIT_CALL); ADD_CODE(td, get_data_item_index (td, (void *)mono_interp_get_runtime_method (domain, target_method, &error))); mono_error_assert_ok (&error); } else { if (calli) ADD_CODE(td, native ? MINT_CALLI_NAT : MINT_CALLI); else if (virtual) ADD_CODE(td, is_void ? MINT_VCALLVIRT : MINT_CALLVIRT); else ADD_CODE(td, is_void ? MINT_VCALL : MINT_CALL); if (calli) { ADD_CODE(td, get_data_item_index (td, (void *)csignature)); } else { ADD_CODE(td, get_data_item_index (td, (void *)mono_interp_get_runtime_method (domain, target_method, &error))); mono_error_cleanup (&error); /* FIXME: don't swallow the error */ } } td->ip += 5; if (vt_stack_used != 0 || vt_res_size != 0) { ADD_CODE(td, MINT_VTRESULT); ADD_CODE(td, vt_res_size); WRITE32(td, &vt_stack_used); td->vt_sp -= vt_stack_used; } } static MonoClassField * interp_field_from_token (MonoMethod *method, guint32 token, MonoClass **klass, MonoGenericContext *generic_context) { MonoClassField *field = NULL; if (method->wrapper_type != MONO_WRAPPER_NONE) { field = (MonoClassField *) mono_method_get_wrapper_data (method, token); *klass = field->parent; } else { MonoError error; error_init (&error); field = mono_field_from_token_checked (method->klass->image, token, klass, generic_context, &error); mono_error_cleanup (&error); /* FIXME: don't swallow the error */ } return field; } static void generate (MonoMethod *method, RuntimeMethod *rtm, unsigned char *is_bb_start, MonoGenericContext *generic_context) { MonoMethodHeader *header = mono_method_get_header (method); MonoMethodSignature *signature = mono_method_signature (method); MonoImage *image = method->klass->image; MonoDomain *domain = mono_domain_get (); MonoClass *constrained_class = NULL; MonoError error; int offset, mt, i, i32; gboolean readonly = FALSE; MonoClass *klass; MonoClassField *field; const unsigned char *end; int new_in_start_offset; int body_start_offset; int target; guint32 token; TransformData td; int generating_code = 1; memset(&td, 0, sizeof(td)); td.method = method; td.rtm = rtm; td.is_bb_start = is_bb_start; td.il_code = header->code; td.code_size = header->code_size; td.header = header; td.max_code_size = td.code_size; td.new_code = (unsigned short *)g_malloc(td.max_code_size * sizeof(gushort)); td.new_code_end = td.new_code + td.max_code_size; td.in_offsets = g_malloc0(header->code_size * sizeof(int)); td.forward_refs = g_malloc(header->code_size * sizeof(int)); td.stack_state = g_malloc0(header->code_size * sizeof(StackInfo *)); td.stack_height = g_malloc(header->code_size * sizeof(int)); td.vt_stack_size = g_malloc(header->code_size * sizeof(int)); td.n_data_items = 0; td.max_data_items = 0; td.data_items = NULL; td.data_hash = g_hash_table_new (NULL, NULL); rtm->data_items = td.data_items; for (i = 0; i < header->code_size; i++) { td.forward_refs [i] = -1; td.stack_height [i] = -1; } td.new_ip = td.new_code; td.last_new_ip = NULL; td.stack = g_malloc0 ((header->max_stack + 1) * sizeof (td.stack [0])); td.sp = td.stack; td.max_stack_height = 0; for (i = 0; i < header->num_clauses; i++) { MonoExceptionClause *c = header->clauses + i; td.stack_height [c->handler_offset] = 0; td.vt_stack_size [c->handler_offset] = 0; td.is_bb_start [c->handler_offset] = 1; td.stack_height [c->handler_offset] = 1; td.stack_state [c->handler_offset] = g_malloc0(sizeof(StackInfo)); td.stack_state [c->handler_offset][0].type = STACK_TYPE_O; td.stack_state [c->handler_offset][0].klass = NULL; /*FIX*/ if (c->flags & MONO_EXCEPTION_CLAUSE_FILTER) { td.stack_height [c->data.filter_offset] = 0; td.vt_stack_size [c->data.filter_offset] = 0; td.is_bb_start [c->data.filter_offset] = 1; td.stack_height [c->data.filter_offset] = 1; td.stack_state [c->data.filter_offset] = g_malloc0(sizeof(StackInfo)); td.stack_state [c->data.filter_offset][0].type = STACK_TYPE_O; td.stack_state [c->data.filter_offset][0].klass = NULL; /*FIX*/ } } td.ip = header->code; end = td.ip + header->code_size; if (mono_interp_traceopt) { char *tmp = mono_disasm_code (NULL, method, td.ip, end); char *name = mono_method_full_name (method, TRUE); g_print ("Method %s, original code:\n", name); g_print ("%s\n", tmp); g_free (tmp); g_free (name); } if (signature->hasthis) store_inarg (&td, 0); for (i = 0; i < signature->param_count; i++) store_inarg (&td, i + !!signature->hasthis); body_start_offset = td.new_ip - td.new_code; for (i = 0; i < header->num_locals; i++) { int mt = mint_type(header->locals [i]); if (mt == MINT_TYPE_VT || mt == MINT_TYPE_O || mt == MINT_TYPE_P) { ADD_CODE(&td, MINT_INITLOCALS); break; } } while (td.ip < end) { int in_offset; g_assert (td.sp >= td.stack); g_assert (td.vt_sp < 0x10000000); in_offset = td.ip - header->code; td.in_offsets [in_offset] = td.new_ip - td.new_code; new_in_start_offset = td.new_ip - td.new_code; td.in_start = td.ip; while (td.forward_refs [in_offset] >= 0) { int j = td.forward_refs [in_offset]; int slot; td.forward_refs [in_offset] = td.forward_refs [j]; if (td.in_offsets [j] < 0) { int old_switch_offset = -td.in_offsets [j]; int new_switch_offset = td.in_offsets [old_switch_offset]; int switch_case = (j - old_switch_offset - 5) / 4; int n_cases = read32 (header->code + old_switch_offset + 1); offset = (td.new_ip - td.new_code) - (new_switch_offset + 2 * n_cases + 3); slot = new_switch_offset + 3 + 2 * switch_case; td.new_code [slot] = * (unsigned short *)(&offset); td.new_code [slot + 1] = * ((unsigned short *)&offset + 1); } else { int op = td.new_code [td.in_offsets [j]]; if (mono_interp_opargtype [op] == MintOpShortBranch) { offset = (td.new_ip - td.new_code) - td.in_offsets [j]; g_assert (offset <= 32767); slot = td.in_offsets [j] + 1; td.new_code [slot] = offset; } else { offset = (td.new_ip - td.new_code) - td.in_offsets [j]; slot = td.in_offsets [j] + 1; td.new_code [slot] = * (unsigned short *)(&offset); td.new_code [slot + 1] = * ((unsigned short *)&offset + 1); } } } if (td.stack_height [in_offset] >= 0) { g_assert (is_bb_start [in_offset]); if (td.stack_height [in_offset] > 0) memcpy (td.stack, td.stack_state [in_offset], td.stack_height [in_offset] * sizeof(td.stack [0])); td.sp = td.stack + td.stack_height [in_offset]; td.vt_sp = td.vt_stack_size [in_offset]; } if (is_bb_start [in_offset]) { generating_code = 1; } if (!generating_code) { while (td.ip < end && !is_bb_start [td.ip - td.il_code]) ++td.ip; continue; } if (mono_interp_traceopt > 1) { printf("IL_%04lx %s %-10s -> IL_%04lx, sp %ld, %s %-12s vt_sp %u (max %u)\n", td.ip - td.il_code, td.is_bb_start [td.ip - td.il_code] == 3 ? "<>" : td.is_bb_start [td.ip - td.il_code] == 2 ? "< " : td.is_bb_start [td.ip - td.il_code] == 1 ? " >" : " ", mono_opcode_name (*td.ip), td.new_ip - td.new_code, td.sp - td.stack, td.sp > td.stack ? stack_type_string [td.sp [-1].type] : " ", (td.sp > td.stack && (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_VT)) ? (td.sp [-1].klass == NULL ? "?" : td.sp [-1].klass->name) : "", td.vt_sp, td.max_vt_sp); } switch (*td.ip) { case CEE_NOP: /* lose it */ ++td.ip; break; case CEE_BREAK: SIMPLE_OP(td, MINT_BREAK); break; case CEE_LDARG_0: case CEE_LDARG_1: case CEE_LDARG_2: case CEE_LDARG_3: load_arg (&td, *td.ip - CEE_LDARG_0); ++td.ip; break; case CEE_LDLOC_0: case CEE_LDLOC_1: case CEE_LDLOC_2: case CEE_LDLOC_3: load_local (&td, *td.ip - CEE_LDLOC_0); ++td.ip; break; case CEE_STLOC_0: case CEE_STLOC_1: case CEE_STLOC_2: case CEE_STLOC_3: store_local (&td, *td.ip - CEE_STLOC_0); ++td.ip; break; case CEE_LDARG_S: load_arg (&td, ((guint8 *)td.ip)[1]); td.ip += 2; break; case CEE_LDARGA_S: { /* NOTE: n includes this */ int n = ((guint8 *) td.ip) [1]; ADD_CODE (&td, MINT_LDARGA); ADD_CODE (&td, td.rtm->arg_offsets [n]); PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP); td.ip += 2; break; } case CEE_STARG_S: store_arg (&td, ((guint8 *)td.ip)[1]); td.ip += 2; break; case CEE_LDLOC_S: load_local (&td, ((guint8 *)td.ip)[1]); td.ip += 2; break; case CEE_LDLOCA_S: ADD_CODE(&td, MINT_LDLOCA_S); ADD_CODE(&td, td.rtm->local_offsets [((guint8 *)td.ip)[1]]); PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP); td.ip += 2; break; case CEE_STLOC_S: store_local (&td, ((guint8 *)td.ip)[1]); td.ip += 2; break; case CEE_LDNULL: SIMPLE_OP(td, MINT_LDNULL); PUSH_TYPE(&td, STACK_TYPE_O, NULL); break; case CEE_LDC_I4_M1: SIMPLE_OP(td, MINT_LDC_I4_M1); PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4); break; case CEE_LDC_I4_0: if (!td.is_bb_start[td.ip + 1 - td.il_code] && td.ip [1] == 0xfe && td.ip [2] == CEE_CEQ && td.sp > td.stack && td.sp [-1].type == STACK_TYPE_I4) { SIMPLE_OP(td, MINT_CEQ0_I4); td.ip += 2; } else { SIMPLE_OP(td, MINT_LDC_I4_0); PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4); } break; case CEE_LDC_I4_1: if (!td.is_bb_start[td.ip + 1 - td.il_code] && (td.ip [1] == CEE_ADD || td.ip [1] == CEE_SUB) && td.sp [-1].type == STACK_TYPE_I4) { ADD_CODE(&td, td.ip [1] == CEE_ADD ? MINT_ADD1_I4 : MINT_SUB1_I4); td.ip += 2; } else { SIMPLE_OP(td, MINT_LDC_I4_1); PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4); } break; case CEE_LDC_I4_2: case CEE_LDC_I4_3: case CEE_LDC_I4_4: case CEE_LDC_I4_5: case CEE_LDC_I4_6: case CEE_LDC_I4_7: case CEE_LDC_I4_8: SIMPLE_OP(td, (*td.ip - CEE_LDC_I4_0) + MINT_LDC_I4_0); PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4); break; case CEE_LDC_I4_S: ADD_CODE(&td, MINT_LDC_I4_S); ADD_CODE(&td, ((gint8 *) td.ip) [1]); td.ip += 2; PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4); break; case CEE_LDC_I4: i32 = read32 (td.ip + 1); ADD_CODE(&td, MINT_LDC_I4); WRITE32(&td, &i32); td.ip += 5; PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4); break; case CEE_LDC_I8: { gint64 val = read64 (td.ip + 1); ADD_CODE(&td, MINT_LDC_I8); WRITE64(&td, &val); td.ip += 9; PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I8); break; } case CEE_LDC_R4: { float val; readr4 (td.ip + 1, &val); ADD_CODE(&td, MINT_LDC_R4); WRITE32(&td, &val); td.ip += 5; PUSH_SIMPLE_TYPE(&td, STACK_TYPE_R8); break; } case CEE_LDC_R8: { double val; readr8 (td.ip + 1, &val); ADD_CODE(&td, MINT_LDC_R8); WRITE64(&td, &val); td.ip += 9; PUSH_SIMPLE_TYPE(&td, STACK_TYPE_R8); break; } case CEE_DUP: { int type = td.sp [-1].type; MonoClass *klass = td.sp [-1].klass; if (td.sp [-1].type == STACK_TYPE_VT) { gint32 size = mono_class_value_size (klass, NULL); PUSH_VT(&td, size); ADD_CODE(&td, MINT_DUP_VT); WRITE32(&td, &size); td.ip ++; } else SIMPLE_OP(td, MINT_DUP); PUSH_TYPE(&td, type, klass); break; } case CEE_POP: CHECK_STACK(&td, 1); SIMPLE_OP(td, MINT_POP); ADD_CODE (&td, 0); if (td.sp [-1].type == STACK_TYPE_VT) { int size = mono_class_value_size (td.sp [-1].klass, NULL); size = (size + 7) & ~7; ADD_CODE(&td, MINT_VTRESULT); ADD_CODE(&td, 0); WRITE32(&td, &size); td.vt_sp -= size; } --td.sp; break; case CEE_JMP: { MonoMethod *m; if (td.sp > td.stack) g_warning ("CEE_JMP: stack must be empty"); token = read32 (td.ip + 1); m = mono_get_method_full (image, token, NULL, generic_context); ADD_CODE (&td, MINT_JMP); ADD_CODE (&td, get_data_item_index (&td, mono_interp_get_runtime_method (domain, m, &error))); mono_error_cleanup (&error); /* FIXME: don't swallow the error */ td.ip += 5; break; } case CEE_CALLVIRT: /* Fall through */ case CEE_CALLI: /* Fall through */ case CEE_CALL: { interp_transform_call (&td, method, NULL, domain, generic_context, is_bb_start, body_start_offset, constrained_class, readonly); constrained_class = NULL; readonly = FALSE; break; } case CEE_RET: { int vt_size = 0; if (signature->ret->type != MONO_TYPE_VOID) { --td.sp; MonoClass *klass = mono_class_from_mono_type (signature->ret); if (mint_type (&klass->byval_arg) == MINT_TYPE_VT) { vt_size = mono_class_value_size (klass, NULL); vt_size = (vt_size + 7) & ~7; } } if (td.sp > td.stack) g_warning ("%s.%s: CEE_RET: more values on stack: %d", td.method->klass->name, td.method->name, td.sp - td.stack); if (td.vt_sp != vt_size) g_error ("%s.%s: CEE_RET: value type stack: %d vs. %d", td.method->klass->name, td.method->name, td.vt_sp, vt_size); if (vt_size == 0) SIMPLE_OP(td, signature->ret->type == MONO_TYPE_VOID ? MINT_RET_VOID : MINT_RET); else { ADD_CODE(&td, MINT_RET_VT); WRITE32(&td, &vt_size); ++td.ip; } generating_code = 0; break; } case CEE_BR: handle_branch (&td, MINT_BR_S, MINT_BR, 5 + read32 (td.ip + 1)); td.ip += 5; generating_code = 0; break; case CEE_BR_S: handle_branch (&td, MINT_BR_S, MINT_BR, 2 + (gint8)td.ip [1]); td.ip += 2; generating_code = 0; break; case CEE_BRFALSE: one_arg_branch (&td, MINT_BRFALSE_I4, 5 + read32 (td.ip + 1)); td.ip += 5; break; case CEE_BRFALSE_S: one_arg_branch (&td, MINT_BRFALSE_I4, 2 + (gint8)td.ip [1]); td.ip += 2; break; case CEE_BRTRUE: one_arg_branch (&td, MINT_BRTRUE_I4, 5 + read32 (td.ip + 1)); td.ip += 5; break; case CEE_BRTRUE_S: one_arg_branch (&td, MINT_BRTRUE_I4, 2 + (gint8)td.ip [1]); td.ip += 2; break; case CEE_BEQ: two_arg_branch (&td, MINT_BEQ_I4, 5 + read32 (td.ip + 1)); td.ip += 5; break; case CEE_BEQ_S: two_arg_branch (&td, MINT_BEQ_I4, 2 + (gint8) td.ip [1]); td.ip += 2; break; case CEE_BGE: two_arg_branch (&td, MINT_BGE_I4, 5 + read32 (td.ip + 1)); td.ip += 5; break; case CEE_BGE_S: two_arg_branch (&td, MINT_BGE_I4, 2 + (gint8) td.ip [1]); td.ip += 2; break; case CEE_BGT: two_arg_branch (&td, MINT_BGT_I4, 5 + read32 (td.ip + 1)); td.ip += 5; break; case CEE_BGT_S: two_arg_branch (&td, MINT_BGT_I4, 2 + (gint8) td.ip [1]); td.ip += 2; break; case CEE_BLT: two_arg_branch (&td, MINT_BLT_I4, 5 + read32 (td.ip + 1)); td.ip += 5; break; case CEE_BLT_S: two_arg_branch (&td, MINT_BLT_I4, 2 + (gint8) td.ip [1]); td.ip += 2; break; case CEE_BLE: two_arg_branch (&td, MINT_BLE_I4, 5 + read32 (td.ip + 1)); td.ip += 5; break; case CEE_BLE_S: two_arg_branch (&td, MINT_BLE_I4, 2 + (gint8) td.ip [1]); td.ip += 2; break; case CEE_BNE_UN: two_arg_branch (&td, MINT_BNE_UN_I4, 5 + read32 (td.ip + 1)); td.ip += 5; break; case CEE_BNE_UN_S: two_arg_branch (&td, MINT_BNE_UN_I4, 2 + (gint8) td.ip [1]); td.ip += 2; break; case CEE_BGE_UN: two_arg_branch (&td, MINT_BGE_UN_I4, 5 + read32 (td.ip + 1)); td.ip += 5; break; case CEE_BGE_UN_S: two_arg_branch (&td, MINT_BGE_UN_I4, 2 + (gint8) td.ip [1]); td.ip += 2; break; case CEE_BGT_UN: two_arg_branch (&td, MINT_BGT_UN_I4, 5 + read32 (td.ip + 1)); td.ip += 5; break; case CEE_BGT_UN_S: two_arg_branch (&td, MINT_BGT_UN_I4, 2 + (gint8) td.ip [1]); td.ip += 2; break; case CEE_BLE_UN: two_arg_branch (&td, MINT_BLE_UN_I4, 5 + read32 (td.ip + 1)); td.ip += 5; break; case CEE_BLE_UN_S: two_arg_branch (&td, MINT_BLE_UN_I4, 2 + (gint8) td.ip [1]); td.ip += 2; break; case CEE_BLT_UN: two_arg_branch (&td, MINT_BLT_UN_I4, 5 + read32 (td.ip + 1)); td.ip += 5; break; case CEE_BLT_UN_S: two_arg_branch (&td, MINT_BLT_UN_I4, 2 + (gint8) td.ip [1]); td.ip += 2; break; case CEE_SWITCH: { guint32 n; const unsigned char *next_ip; const unsigned char *base_ip = td.ip; unsigned short *next_new_ip; ++td.ip; n = read32 (td.ip); ADD_CODE (&td, MINT_SWITCH); WRITE32 (&td, &n); td.ip += 4; next_ip = td.ip + n * 4; next_new_ip = td.new_ip + n * 2; --td.sp; int stack_height = td.sp - td.stack; for (i = 0; i < n; i++) { offset = read32 (td.ip); target = next_ip - td.il_code + offset; if (offset < 0) { #if DEBUG_INTERP if (stack_height > 0 && stack_height != td.stack_height [target]) g_warning ("SWITCH with back branch and non-empty stack"); #endif target = td.in_offsets [target] - (next_new_ip - td.new_code); } else { td.stack_height [target] = stack_height; td.vt_stack_size [target] = td.vt_sp; if (stack_height > 0) td.stack_state [target] = g_memdup (td.stack, stack_height * sizeof (td.stack [0])); int prev = td.forward_refs [target]; td.forward_refs [td.ip - td.il_code] = prev; td.forward_refs [target] = td.ip - td.il_code; td.in_offsets [td.ip - td.il_code] = - (base_ip - td.il_code); } WRITE32 (&td, &target); td.ip += 4; } break; } case CEE_LDIND_I1: CHECK_STACK (&td, 1); SIMPLE_OP (td, MINT_LDIND_I1); SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); break; case CEE_LDIND_U1: CHECK_STACK (&td, 1); SIMPLE_OP (td, MINT_LDIND_U1); SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); break; case CEE_LDIND_I2: CHECK_STACK (&td, 1); SIMPLE_OP (td, MINT_LDIND_I2); SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); break; case CEE_LDIND_U2: CHECK_STACK (&td, 1); SIMPLE_OP (td, MINT_LDIND_U2); SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); break; case CEE_LDIND_I4: CHECK_STACK (&td, 1); SIMPLE_OP (td, MINT_LDIND_I4); SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); break; case CEE_LDIND_U4: CHECK_STACK (&td, 1); SIMPLE_OP (td, MINT_LDIND_U4); SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); break; case CEE_LDIND_I8: CHECK_STACK (&td, 1); SIMPLE_OP (td, MINT_LDIND_I8); SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8); break; case CEE_LDIND_I: CHECK_STACK (&td, 1); SIMPLE_OP (td, MINT_LDIND_I); ADD_CODE (&td, 0); SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I); break; case CEE_LDIND_R4: CHECK_STACK (&td, 1); SIMPLE_OP (td, MINT_LDIND_R4); SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8); break; case CEE_LDIND_R8: CHECK_STACK (&td, 1); SIMPLE_OP (td, MINT_LDIND_R8); SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8); break; case CEE_LDIND_REF: CHECK_STACK (&td, 1); SIMPLE_OP (td, MINT_LDIND_REF); SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_O); break; case CEE_STIND_REF: CHECK_STACK (&td, 2); SIMPLE_OP (td, MINT_STIND_REF); td.sp -= 2; break; case CEE_STIND_I1: CHECK_STACK (&td, 2); SIMPLE_OP (td, MINT_STIND_I1); td.sp -= 2; break; case CEE_STIND_I2: CHECK_STACK (&td, 2); SIMPLE_OP (td, MINT_STIND_I2); td.sp -= 2; break; case CEE_STIND_I4: CHECK_STACK (&td, 2); SIMPLE_OP (td, MINT_STIND_I4); td.sp -= 2; break; case CEE_STIND_I: CHECK_STACK (&td, 2); SIMPLE_OP (td, MINT_STIND_I); td.sp -= 2; break; case CEE_STIND_I8: CHECK_STACK (&td, 2); SIMPLE_OP (td, MINT_STIND_I8); td.sp -= 2; break; case CEE_STIND_R4: CHECK_STACK (&td, 2); SIMPLE_OP (td, MINT_STIND_R4); td.sp -= 2; break; case CEE_STIND_R8: CHECK_STACK (&td, 2); SIMPLE_OP (td, MINT_STIND_R8); td.sp -= 2; break; case CEE_ADD: binary_arith_op(&td, MINT_ADD_I4); ++td.ip; break; case CEE_SUB: binary_arith_op(&td, MINT_SUB_I4); ++td.ip; break; case CEE_MUL: binary_arith_op(&td, MINT_MUL_I4); ++td.ip; break; case CEE_DIV: binary_arith_op(&td, MINT_DIV_I4); ++td.ip; break; case CEE_DIV_UN: binary_arith_op(&td, MINT_DIV_UN_I4); ++td.ip; break; case CEE_REM: binary_int_op (&td, MINT_REM_I4); ++td.ip; break; case CEE_REM_UN: binary_int_op (&td, MINT_REM_UN_I4); ++td.ip; break; case CEE_AND: binary_int_op (&td, MINT_AND_I4); ++td.ip; break; case CEE_OR: binary_int_op (&td, MINT_OR_I4); ++td.ip; break; case CEE_XOR: binary_int_op (&td, MINT_XOR_I4); ++td.ip; break; case CEE_SHL: shift_op (&td, MINT_SHL_I4); ++td.ip; break; case CEE_SHR: shift_op (&td, MINT_SHR_I4); ++td.ip; break; case CEE_SHR_UN: shift_op (&td, MINT_SHR_UN_I4); ++td.ip; break; case CEE_NEG: unary_arith_op (&td, MINT_NEG_I4); ++td.ip; break; case CEE_NOT: unary_arith_op (&td, MINT_NOT_I4); ++td.ip; break; case CEE_CONV_U1: CHECK_STACK (&td, 1); switch (td.sp [-1].type) { case STACK_TYPE_R8: ADD_CODE(&td, MINT_CONV_U1_R8); break; case STACK_TYPE_I4: ADD_CODE(&td, MINT_CONV_U1_I4); break; case STACK_TYPE_I8: ADD_CODE(&td, MINT_CONV_U1_I8); break; default: g_assert_not_reached (); } ++td.ip; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); break; case CEE_CONV_I1: CHECK_STACK (&td, 1); switch (td.sp [-1].type) { case STACK_TYPE_R8: ADD_CODE(&td, MINT_CONV_I1_R8); break; case STACK_TYPE_I4: ADD_CODE(&td, MINT_CONV_I1_I4); break; case STACK_TYPE_I8: ADD_CODE(&td, MINT_CONV_I1_I8); break; default: g_assert_not_reached (); } ++td.ip; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); break; case CEE_CONV_U2: CHECK_STACK (&td, 1); switch (td.sp [-1].type) { case STACK_TYPE_R8: ADD_CODE(&td, MINT_CONV_U2_R8); break; case STACK_TYPE_I4: ADD_CODE(&td, MINT_CONV_U2_I4); break; case STACK_TYPE_I8: ADD_CODE(&td, MINT_CONV_U2_I8); break; default: g_assert_not_reached (); } ++td.ip; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); break; case CEE_CONV_I2: CHECK_STACK (&td, 1); switch (td.sp [-1].type) { case STACK_TYPE_R8: ADD_CODE(&td, MINT_CONV_I2_R8); break; case STACK_TYPE_I4: ADD_CODE(&td, MINT_CONV_I2_I4); break; case STACK_TYPE_I8: ADD_CODE(&td, MINT_CONV_I2_I8); break; default: g_assert_not_reached (); } ++td.ip; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); break; case CEE_CONV_U: CHECK_STACK (&td, 1); switch (td.sp [-1].type) { case STACK_TYPE_R8: #if SIZEOF_VOID_P == 4 ADD_CODE(&td, MINT_CONV_U4_R8); #else ADD_CODE(&td, MINT_CONV_U8_R8); #endif break; case STACK_TYPE_I4: #if SIZEOF_VOID_P == 8 ADD_CODE(&td, MINT_CONV_U8_I4); #endif break; case STACK_TYPE_I8: #if SIZEOF_VOID_P == 4 ADD_CODE(&td, MINT_CONV_U4_I8); #endif break; case STACK_TYPE_MP: break; default: g_assert_not_reached (); } ++td.ip; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I); break; case CEE_CONV_I: CHECK_STACK (&td, 1); switch (td.sp [-1].type) { case STACK_TYPE_R8: #if SIZEOF_VOID_P == 8 ADD_CODE(&td, MINT_CONV_I8_R8); #else ADD_CODE(&td, MINT_CONV_I4_R8); #endif break; case STACK_TYPE_I4: #if SIZEOF_VOID_P == 8 ADD_CODE(&td, MINT_CONV_I8_I4); #endif break; case STACK_TYPE_O: break; case STACK_TYPE_MP: break; case STACK_TYPE_I8: #if SIZEOF_VOID_P == 4 ADD_CODE(&td, MINT_CONV_I4_I8); #endif break; default: g_assert_not_reached (); } ++td.ip; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I); break; case CEE_CONV_U4: CHECK_STACK (&td, 1); switch (td.sp [-1].type) { case STACK_TYPE_R8: ADD_CODE(&td, MINT_CONV_U4_R8); break; case STACK_TYPE_I4: break; case STACK_TYPE_I8: ADD_CODE(&td, MINT_CONV_U4_I8); break; case STACK_TYPE_MP: #if SIZEOF_VOID_P == 8 ADD_CODE(&td, MINT_CONV_U4_I8); #endif break; default: g_assert_not_reached (); } ++td.ip; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); break; case CEE_CONV_I4: CHECK_STACK (&td, 1); switch (td.sp [-1].type) { case STACK_TYPE_R8: ADD_CODE(&td, MINT_CONV_I4_R8); break; case STACK_TYPE_I4: break; case STACK_TYPE_I8: ADD_CODE(&td, MINT_CONV_I4_I8); break; case STACK_TYPE_MP: #if SIZEOF_VOID_P == 8 ADD_CODE(&td, MINT_CONV_I4_I8); #endif break; default: g_assert_not_reached (); } ++td.ip; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); break; case CEE_CONV_I8: CHECK_STACK (&td, 1); switch (td.sp [-1].type) { case STACK_TYPE_R8: ADD_CODE(&td, MINT_CONV_I8_R8); break; case STACK_TYPE_I4: ADD_CODE(&td, MINT_CONV_I8_I4); break; case STACK_TYPE_I8: break; case STACK_TYPE_MP: #if SIZEOF_VOID_P == 4 ADD_CODE(&td, MINT_CONV_I8_I4); #endif break; default: g_assert_not_reached (); } ++td.ip; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8); break; case CEE_CONV_R4: CHECK_STACK (&td, 1); switch (td.sp [-1].type) { case STACK_TYPE_R8: ADD_CODE(&td, MINT_CONV_R4_R8); break; case STACK_TYPE_I8: ADD_CODE(&td, MINT_CONV_R4_I8); break; case STACK_TYPE_I4: ADD_CODE(&td, MINT_CONV_R4_I4); break; default: g_assert_not_reached (); } ++td.ip; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8); break; case CEE_CONV_R8: CHECK_STACK (&td, 1); switch (td.sp [-1].type) { case STACK_TYPE_I4: ADD_CODE(&td, MINT_CONV_R8_I4); break; case STACK_TYPE_I8: ADD_CODE(&td, MINT_CONV_R8_I8); break; case STACK_TYPE_R8: break; default: g_assert_not_reached (); } ++td.ip; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8); break; case CEE_CONV_U8: CHECK_STACK (&td, 1); switch (td.sp [-1].type) { case STACK_TYPE_I4: ADD_CODE(&td, MINT_CONV_U8_I4); break; case STACK_TYPE_I8: break; case STACK_TYPE_R8: ADD_CODE(&td, MINT_CONV_U8_R8); break; case STACK_TYPE_MP: #if SIZEOF_VOID_P == 4 ADD_CODE(&td, MINT_CONV_U8_I4); #endif break; default: g_assert_not_reached (); } ++td.ip; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8); break; case CEE_CPOBJ: { CHECK_STACK (&td, 2); token = read32 (td.ip + 1); klass = mono_class_get_full (image, token, generic_context); if (klass->valuetype) { ADD_CODE (&td, MINT_CPOBJ); ADD_CODE (&td, get_data_item_index(&td, klass)); } else { ADD_CODE (&td, MINT_LDIND_REF); ADD_CODE (&td, MINT_STIND_REF); } td.ip += 5; td.sp -= 2; break; } case CEE_LDOBJ: { int size; CHECK_STACK (&td, 1); token = read32 (td.ip + 1); if (method->wrapper_type != MONO_WRAPPER_NONE) klass = (MonoClass *)mono_method_get_wrapper_data (method, token); else klass = mono_class_get_full (image, token, generic_context); ADD_CODE(&td, MINT_LDOBJ); ADD_CODE(&td, get_data_item_index(&td, klass)); if (mint_type (&klass->byval_arg) == MINT_TYPE_VT) { size = mono_class_value_size (klass, NULL); PUSH_VT(&td, size); } td.ip += 5; SET_TYPE(td.sp - 1, stack_type[mint_type(&klass->byval_arg)], klass); break; } case CEE_LDSTR: { MonoString *s; token = mono_metadata_token_index (read32 (td.ip + 1)); td.ip += 5; if (method->wrapper_type != MONO_WRAPPER_NONE) { s = mono_string_new_wrapper( mono_method_get_wrapper_data (method, token)); } else s = mono_ldstr (domain, image, token); ADD_CODE(&td, MINT_LDSTR); ADD_CODE(&td, get_data_item_index (&td, s)); PUSH_TYPE(&td, STACK_TYPE_O, mono_defaults.string_class); break; } case CEE_NEWOBJ: { MonoMethod *m; MonoMethodSignature *csignature; guint32 vt_stack_used = 0; guint32 vt_res_size = 0; td.ip++; token = read32 (td.ip); td.ip += 4; if (method->wrapper_type != MONO_WRAPPER_NONE) m = (MonoMethod *)mono_method_get_wrapper_data (method, token); else m = mono_get_method_full (image, token, NULL, generic_context); csignature = mono_method_signature (m); klass = m->klass; td.sp -= csignature->param_count; ADD_CODE(&td, MINT_NEWOBJ); ADD_CODE(&td, get_data_item_index (&td, mono_interp_get_runtime_method (domain, m, &error))); mono_error_cleanup (&error); /* FIXME: don't swallow the error */ if (mint_type (&klass->byval_arg) == MINT_TYPE_VT) { vt_res_size = mono_class_value_size (klass, NULL); PUSH_VT (&td, vt_res_size); } for (i = 0; i < csignature->param_count; ++i) { int mt = mint_type(csignature->params [i]); if (mt == MINT_TYPE_VT) { MonoClass *k = mono_class_from_mono_type (csignature->params [i]); gint32 size = mono_class_value_size (k, NULL); size = (size + 7) & ~7; vt_stack_used += size; } } if (vt_stack_used != 0 || vt_res_size != 0) { ADD_CODE(&td, MINT_VTRESULT); ADD_CODE(&td, vt_res_size); WRITE32(&td, &vt_stack_used); td.vt_sp -= vt_stack_used; } PUSH_TYPE (&td, stack_type [mint_type (&klass->byval_arg)], klass); break; } case CEE_CASTCLASS: CHECK_STACK (&td, 1); token = read32 (td.ip + 1); klass = mini_get_class (method, token, generic_context); ADD_CODE(&td, MINT_CASTCLASS); ADD_CODE(&td, get_data_item_index (&td, klass)); td.sp [-1].klass = klass; td.ip += 5; break; case CEE_ISINST: CHECK_STACK (&td, 1); token = read32 (td.ip + 1); klass = mini_get_class (method, token, generic_context); ADD_CODE(&td, MINT_ISINST); ADD_CODE(&td, get_data_item_index (&td, klass)); td.ip += 5; break; case CEE_CONV_R_UN: switch (td.sp [-1].type) { case STACK_TYPE_R8: break; case STACK_TYPE_I8: ADD_CODE(&td, MINT_CONV_R_UN_I8); break; case STACK_TYPE_I4: ADD_CODE(&td, MINT_CONV_R_UN_I4); break; default: g_assert_not_reached (); } SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8); ++td.ip; break; case CEE_UNBOX: CHECK_STACK (&td, 1); token = read32 (td.ip + 1); if (method->wrapper_type != MONO_WRAPPER_NONE) klass = (MonoClass *)mono_method_get_wrapper_data (method, token); else klass = mono_class_get_full (image, token, generic_context); if (mono_class_is_nullable (klass)) { g_error ("cee_unbox: implement Nullable"); } ADD_CODE(&td, MINT_UNBOX); ADD_CODE(&td, get_data_item_index (&td, klass)); SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP); td.ip += 5; break; case CEE_UNBOX_ANY: CHECK_STACK (&td, 1); token = read32 (td.ip + 1); klass = mini_get_class (method, token, generic_context); if (mini_type_is_reference (&klass->byval_arg)) { int mt = mint_type (&klass->byval_arg); ADD_CODE (&td, MINT_CASTCLASS); ADD_CODE (&td, get_data_item_index (&td, klass)); SET_TYPE (td.sp - 1, stack_type [mt], klass); td.ip += 5; } else if (mono_class_is_nullable (klass)) { MonoMethod *target_method = mono_class_get_method_from_name (klass, "Unbox", 1); /* td.ip is incremented by interp_transform_call */ interp_transform_call (&td, method, target_method, domain, generic_context, is_bb_start, body_start_offset, NULL, FALSE); } else { int mt = mint_type (&klass->byval_arg); ADD_CODE (&td, MINT_UNBOX); ADD_CODE (&td, get_data_item_index (&td, klass)); ADD_CODE (&td, MINT_LDOBJ); ADD_CODE (&td, get_data_item_index(&td, klass)); SET_TYPE (td.sp - 1, stack_type [mt], klass); if (mt == MINT_TYPE_VT) { int size = mono_class_value_size (klass, NULL); PUSH_VT (&td, size); } td.ip += 5; } break; case CEE_THROW: CHECK_STACK (&td, 1); SIMPLE_OP (td, MINT_THROW); --td.sp; generating_code = 0; break; case CEE_LDFLDA: CHECK_STACK (&td, 1); token = read32 (td.ip + 1); field = interp_field_from_token (method, token, &klass, generic_context); gboolean is_static = !!(field->type->attrs & FIELD_ATTRIBUTE_STATIC); mono_class_init (klass); if (is_static) { ADD_CODE (&td, MINT_POP); ADD_CODE (&td, 0); ADD_CODE (&td, MINT_LDSFLDA); ADD_CODE (&td, get_data_item_index (&td, field)); } else { if ((td.sp - 1)->type == STACK_TYPE_O) { ADD_CODE (&td, MINT_LDFLDA); } else { g_assert ((td.sp -1)->type == STACK_TYPE_MP); ADD_CODE (&td, MINT_LDFLDA_UNSAFE); } ADD_CODE (&td, klass->valuetype ? field->offset - sizeof (MonoObject) : field->offset); } td.ip += 5; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP); break; case CEE_LDFLD: { CHECK_STACK (&td, 1); token = read32 (td.ip + 1); field = interp_field_from_token (method, token, &klass, generic_context); gboolean is_static = !!(field->type->attrs & FIELD_ATTRIBUTE_STATIC); mono_class_init (klass); MonoClass *field_klass = mono_class_from_mono_type (field->type); mt = mint_type (&field_klass->byval_arg); if (klass->marshalbyref) { g_assert (!is_static); ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_LDRMFLD_VT : MINT_LDRMFLD); ADD_CODE(&td, get_data_item_index (&td, field)); } else { if (is_static) { ADD_CODE (&td, MINT_POP); ADD_CODE (&td, 0); ADD_CODE (&td, mt == MINT_TYPE_VT ? MINT_LDSFLD_VT : MINT_LDSFLD); ADD_CODE (&td, get_data_item_index (&td, field)); } else { ADD_CODE (&td, MINT_LDFLD_I1 + mt - MINT_TYPE_I1); ADD_CODE (&td, klass->valuetype ? field->offset - sizeof(MonoObject) : field->offset); } } if (mt == MINT_TYPE_VT) { int size = mono_class_value_size (field_klass, NULL); PUSH_VT(&td, size); WRITE32(&td, &size); } if (td.sp [-1].type == STACK_TYPE_VT) { int size = mono_class_value_size (klass, NULL); size = (size + 7) & ~7; td.vt_sp -= size; ADD_CODE (&td, MINT_VTRESULT); ADD_CODE (&td, 0); WRITE32 (&td, &size); } td.ip += 5; SET_TYPE(td.sp - 1, stack_type [mt], field_klass); break; } case CEE_STFLD: { CHECK_STACK (&td, 2); token = read32 (td.ip + 1); field = interp_field_from_token (method, token, &klass, generic_context); gboolean is_static = !!(field->type->attrs & FIELD_ATTRIBUTE_STATIC); mono_class_init (klass); mt = mint_type(field->type); if (klass->marshalbyref) { g_assert (!is_static); ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_STRMFLD_VT : MINT_STRMFLD); ADD_CODE(&td, get_data_item_index (&td, field)); } else { if (is_static) { ADD_CODE (&td, MINT_POP); ADD_CODE (&td, 1); ADD_CODE (&td, mt == MINT_TYPE_VT ? MINT_STSFLD_VT : MINT_STSFLD); ADD_CODE (&td, get_data_item_index (&td, field)); } else { ADD_CODE (&td, MINT_STFLD_I1 + mt - MINT_TYPE_I1); ADD_CODE (&td, klass->valuetype ? field->offset - sizeof(MonoObject) : field->offset); } } if (mt == MINT_TYPE_VT) { MonoClass *klass = mono_class_from_mono_type (field->type); int size = mono_class_value_size (klass, NULL); POP_VT(&td, size); WRITE32(&td, &size); } td.ip += 5; td.sp -= 2; break; } case CEE_LDSFLDA: token = read32 (td.ip + 1); field = interp_field_from_token (method, token, &klass, generic_context); ADD_CODE(&td, MINT_LDSFLDA); ADD_CODE(&td, get_data_item_index (&td, field)); td.ip += 5; PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP); break; case CEE_LDSFLD: token = read32 (td.ip + 1); field = interp_field_from_token (method, token, &klass, generic_context); mt = mint_type(field->type); ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_LDSFLD_VT : MINT_LDSFLD); ADD_CODE(&td, get_data_item_index (&td, field)); klass = NULL; if (mt == MINT_TYPE_VT) { MonoClass *klass = mono_class_from_mono_type (field->type); int size = mono_class_value_size (klass, NULL); PUSH_VT(&td, size); WRITE32(&td, &size); klass = field->type->data.klass; } else { if (mt == MINT_TYPE_O) klass = mono_class_from_mono_type (field->type); } td.ip += 5; PUSH_TYPE(&td, stack_type [mt], klass); break; case CEE_STSFLD: CHECK_STACK (&td, 1); token = read32 (td.ip + 1); field = interp_field_from_token (method, token, &klass, generic_context); mt = mint_type(field->type); ADD_CODE(&td, mt == MINT_TYPE_VT ? MINT_STSFLD_VT : MINT_STSFLD); ADD_CODE(&td, get_data_item_index (&td, field)); if (mt == MINT_TYPE_VT) { MonoClass *klass = mono_class_from_mono_type (field->type); int size = mono_class_value_size (klass, NULL); POP_VT (&td, size); WRITE32 (&td, &size); } td.ip += 5; --td.sp; break; case CEE_STOBJ: { int size; token = read32 (td.ip + 1); if (method->wrapper_type != MONO_WRAPPER_NONE) klass = (MonoClass *)mono_method_get_wrapper_data (method, token); else klass = mini_get_class (method, token, generic_context); ADD_CODE(&td, td.sp [-1].type == STACK_TYPE_VT ? MINT_STOBJ_VT : MINT_STOBJ); ADD_CODE(&td, get_data_item_index (&td, klass)); if (td.sp [-1].type == STACK_TYPE_VT) { size = mono_class_value_size (klass, NULL); size = (size + 7) & ~7; td.vt_sp -= size; } td.ip += 5; td.sp -= 2; break; } case CEE_CONV_OVF_I_UN: case CEE_CONV_OVF_U_UN: CHECK_STACK (&td, 1); switch (td.sp [-1].type) { case STACK_TYPE_R8: #if SIZEOF_VOID_P == 8 ADD_CODE(&td, MINT_CONV_OVF_I8_UN_R8); #else ADD_CODE(&td, MINT_CONV_OVF_I4_UN_R8); #endif break; case STACK_TYPE_I8: #if SIZEOF_VOID_P == 4 ADD_CODE (&td, MINT_CONV_OVF_I4_UN_I8); #endif break; case STACK_TYPE_I4: #if SIZEOF_VOID_P == 8 ADD_CODE(&td, MINT_CONV_I8_U4); #endif break; default: g_assert_not_reached (); break; } SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8); ++td.ip; break; case CEE_CONV_OVF_I8_UN: case CEE_CONV_OVF_U8_UN: CHECK_STACK (&td, 1); switch (td.sp [-1].type) { case STACK_TYPE_R8: ADD_CODE(&td, MINT_CONV_OVF_I8_UN_R8); break; case STACK_TYPE_I8: if (*td.ip == CEE_CONV_OVF_I8_UN) ADD_CODE (&td, MINT_CONV_OVF_I8_U8); break; case STACK_TYPE_I4: ADD_CODE(&td, MINT_CONV_I8_U4); break; default: g_assert_not_reached (); break; } SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8); ++td.ip; break; case CEE_BOX: { int size; CHECK_STACK (&td, 1); token = read32 (td.ip + 1); if (method->wrapper_type != MONO_WRAPPER_NONE) klass = (MonoClass *)mono_method_get_wrapper_data (method, token); else klass = mini_get_class (method, token, generic_context); if (mono_class_is_nullable (klass)) { MonoMethod *target_method = mono_class_get_method_from_name (klass, "Box", 1); /* td.ip is incremented by interp_transform_call */ interp_transform_call (&td, method, target_method, domain, generic_context, is_bb_start, body_start_offset, NULL, FALSE); } else if (!klass->valuetype) { /* already boxed, do nothing. */ td.ip += 5; } else { if (mint_type (&klass->byval_arg) == MINT_TYPE_VT && !klass->enumtype) { size = mono_class_value_size (klass, NULL); size = (size + 7) & ~7; td.vt_sp -= size; } ADD_CODE(&td, MINT_BOX); ADD_CODE(&td, get_data_item_index (&td, klass)); ADD_CODE (&td, 0); SET_TYPE(td.sp - 1, STACK_TYPE_O, klass); td.ip += 5; } break; } case CEE_NEWARR: { CHECK_STACK (&td, 1); token = read32 (td.ip + 1); if (method->wrapper_type != MONO_WRAPPER_NONE) klass = (MonoClass *)mono_method_get_wrapper_data (method, token); else klass = mini_get_class (method, token, generic_context); unsigned char lentype = (td.sp - 1)->type; if (lentype == STACK_TYPE_I8) { /* mimic mini behaviour */ ADD_CODE (&td, MINT_CONV_OVF_U4_I8); } else { g_assert (lentype == STACK_TYPE_I4); ADD_CODE (&td, MINT_CONV_OVF_U4_I4); } SET_SIMPLE_TYPE (td.sp - 1, STACK_TYPE_I4); ADD_CODE (&td, MINT_NEWARR); ADD_CODE (&td, get_data_item_index (&td, klass)); SET_TYPE (td.sp - 1, STACK_TYPE_O, klass); td.ip += 5; break; } case CEE_LDLEN: CHECK_STACK (&td, 1); SIMPLE_OP (td, MINT_LDLEN); SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I); break; case CEE_LDELEMA: CHECK_STACK (&td, 2); ENSURE_I4 (&td, 1); token = read32 (td.ip + 1); if (method->wrapper_type != MONO_WRAPPER_NONE) klass = (MonoClass *) mono_method_get_wrapper_data (method, token); else klass = mini_get_class (method, token, generic_context); if (!klass->valuetype && method->wrapper_type == MONO_WRAPPER_NONE && !readonly) { ADD_CODE (&td, MINT_LDELEMA_TC); } else { ADD_CODE (&td, MINT_LDELEMA); } ADD_CODE (&td, get_data_item_index (&td, klass)); /* according to spec, ldelema bytecode is only used for 1-dim arrays */ ADD_CODE (&td, 2); readonly = FALSE; td.ip += 5; --td.sp; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP); break; case CEE_LDELEM_I1: CHECK_STACK (&td, 2); ENSURE_I4 (&td, 1); SIMPLE_OP (td, MINT_LDELEM_I1); --td.sp; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); break; case CEE_LDELEM_U1: CHECK_STACK (&td, 2); ENSURE_I4 (&td, 1); SIMPLE_OP (td, MINT_LDELEM_U1); --td.sp; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); break; case CEE_LDELEM_I2: CHECK_STACK (&td, 2); ENSURE_I4 (&td, 1); SIMPLE_OP (td, MINT_LDELEM_I2); --td.sp; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); break; case CEE_LDELEM_U2: CHECK_STACK (&td, 2); ENSURE_I4 (&td, 1); SIMPLE_OP (td, MINT_LDELEM_U2); --td.sp; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); break; case CEE_LDELEM_I4: CHECK_STACK (&td, 2); ENSURE_I4 (&td, 1); SIMPLE_OP (td, MINT_LDELEM_I4); --td.sp; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); break; case CEE_LDELEM_U4: CHECK_STACK (&td, 2); ENSURE_I4 (&td, 1); SIMPLE_OP (td, MINT_LDELEM_U4); --td.sp; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); break; case CEE_LDELEM_I8: CHECK_STACK (&td, 2); ENSURE_I4 (&td, 1); SIMPLE_OP (td, MINT_LDELEM_I8); --td.sp; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8); break; case CEE_LDELEM_I: CHECK_STACK (&td, 2); ENSURE_I4 (&td, 1); SIMPLE_OP (td, MINT_LDELEM_I); --td.sp; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I); break; case CEE_LDELEM_R4: CHECK_STACK (&td, 2); ENSURE_I4 (&td, 1); SIMPLE_OP (td, MINT_LDELEM_R4); --td.sp; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8); break; case CEE_LDELEM_R8: CHECK_STACK (&td, 2); ENSURE_I4 (&td, 1); SIMPLE_OP (td, MINT_LDELEM_R8); --td.sp; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8); break; case CEE_LDELEM_REF: CHECK_STACK (&td, 2); ENSURE_I4 (&td, 1); SIMPLE_OP (td, MINT_LDELEM_REF); --td.sp; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_O); break; case CEE_LDELEM: CHECK_STACK (&td, 2); token = read32 (td.ip + 1); klass = mini_get_class (method, token, generic_context); switch (mint_type (&klass->byval_arg)) { case MINT_TYPE_I1: ENSURE_I4 (&td, 1); SIMPLE_OP (td, MINT_LDELEM_I1); --td.sp; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); break; case MINT_TYPE_U1: ENSURE_I4 (&td, 1); SIMPLE_OP (td, MINT_LDELEM_U1); --td.sp; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); break; case MINT_TYPE_U2: ENSURE_I4 (&td, 1); SIMPLE_OP (td, MINT_LDELEM_U2); --td.sp; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); break; case MINT_TYPE_I2: ENSURE_I4 (&td, 1); SIMPLE_OP (td, MINT_LDELEM_I2); --td.sp; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); break; case MINT_TYPE_I4: ENSURE_I4 (&td, 1); SIMPLE_OP (td, MINT_LDELEM_I4); --td.sp; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); break; case MINT_TYPE_I8: ENSURE_I4 (&td, 1); SIMPLE_OP (td, MINT_LDELEM_I8); --td.sp; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8); break; case MINT_TYPE_R4: ENSURE_I4 (&td, 1); SIMPLE_OP (td, MINT_LDELEM_R4); --td.sp; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8); break; case MINT_TYPE_R8: ENSURE_I4 (&td, 1); SIMPLE_OP (td, MINT_LDELEM_R8); --td.sp; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_R8); break; case MINT_TYPE_O: ENSURE_I4 (&td, 1); SIMPLE_OP (td, MINT_LDELEM_REF); --td.sp; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_O); break; case MINT_TYPE_VT: { int size = mono_class_value_size (klass, NULL); ENSURE_I4 (&td, 1); SIMPLE_OP (td, MINT_LDELEM_VT); ADD_CODE (&td, get_data_item_index (&td, klass)); WRITE32 (&td, &size); --td.sp; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_VT); PUSH_VT (&td, size); break; } default: { GString *res = g_string_new (""); mono_type_get_desc (res, &klass->byval_arg, TRUE); g_print ("LDELEM: %s -> %d (%s)\n", klass->name, mint_type (&klass->byval_arg), res->str); g_string_free (res, TRUE); g_assert (0); break; } } td.ip += 4; break; case CEE_STELEM_I: CHECK_STACK (&td, 3); ENSURE_I4 (&td, 2); SIMPLE_OP (td, MINT_STELEM_I); td.sp -= 3; break; case CEE_STELEM_I1: CHECK_STACK (&td, 3); ENSURE_I4 (&td, 2); SIMPLE_OP (td, MINT_STELEM_I1); td.sp -= 3; break; case CEE_STELEM_I2: CHECK_STACK (&td, 3); ENSURE_I4 (&td, 2); SIMPLE_OP (td, MINT_STELEM_I2); td.sp -= 3; break; case CEE_STELEM_I4: CHECK_STACK (&td, 3); ENSURE_I4 (&td, 2); SIMPLE_OP (td, MINT_STELEM_I4); td.sp -= 3; break; case CEE_STELEM_I8: CHECK_STACK (&td, 3); ENSURE_I4 (&td, 2); SIMPLE_OP (td, MINT_STELEM_I8); td.sp -= 3; break; case CEE_STELEM_R4: CHECK_STACK (&td, 3); ENSURE_I4 (&td, 2); SIMPLE_OP (td, MINT_STELEM_R4); td.sp -= 3; break; case CEE_STELEM_R8: CHECK_STACK (&td, 3); ENSURE_I4 (&td, 2); SIMPLE_OP (td, MINT_STELEM_R8); td.sp -= 3; break; case CEE_STELEM_REF: CHECK_STACK (&td, 3); ENSURE_I4 (&td, 2); SIMPLE_OP (td, MINT_STELEM_REF); td.sp -= 3; break; case CEE_STELEM: CHECK_STACK (&td, 3); ENSURE_I4 (&td, 2); token = read32 (td.ip + 1); klass = mini_get_class (method, token, generic_context); switch (mint_type (&klass->byval_arg)) { case MINT_TYPE_U1: SIMPLE_OP (td, MINT_STELEM_U1); break; case MINT_TYPE_U2: SIMPLE_OP (td, MINT_STELEM_U2); break; case MINT_TYPE_I4: SIMPLE_OP (td, MINT_STELEM_I4); break; case MINT_TYPE_I8: SIMPLE_OP (td, MINT_STELEM_I8); break; case MINT_TYPE_O: SIMPLE_OP (td, MINT_STELEM_REF); break; case MINT_TYPE_VT: { int size = mono_class_value_size (klass, NULL); SIMPLE_OP (td, MINT_STELEM_VT); ADD_CODE (&td, get_data_item_index (&td, klass)); WRITE32 (&td, &size); POP_VT (&td, size); break; } default: { GString *res = g_string_new (""); mono_type_get_desc (res, &klass->byval_arg, TRUE); g_print ("STELEM: %s -> %d (%s)\n", klass->name, mint_type (&klass->byval_arg), res->str); g_string_free (res, TRUE); g_assert (0); break; } } td.ip += 4; td.sp -= 3; break; #if 0 case CEE_CONV_OVF_U1: case CEE_CONV_OVF_I8: #if SIZEOF_VOID_P == 8 case CEE_CONV_OVF_U: #endif case CEE_REFANYVAL: ves_abort(); break; #endif case CEE_CKFINITE: CHECK_STACK (&td, 1); SIMPLE_OP (td, MINT_CKFINITE); break; case CEE_CONV_OVF_I1: case CEE_CONV_OVF_I1_UN: CHECK_STACK (&td, 1); switch (td.sp [-1].type) { case STACK_TYPE_R8: ADD_CODE(&td, MINT_CONV_OVF_I1_R8); break; case STACK_TYPE_I4: ADD_CODE(&td, MINT_CONV_OVF_I1_I4); break; case STACK_TYPE_I8: ADD_CODE(&td, MINT_CONV_OVF_I1_I8); break; default: g_assert_not_reached (); } ++td.ip; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); break; case CEE_CONV_OVF_U1: case CEE_CONV_OVF_U1_UN: CHECK_STACK (&td, 1); switch (td.sp [-1].type) { case STACK_TYPE_R8: ADD_CODE(&td, MINT_CONV_OVF_U1_R8); break; case STACK_TYPE_I4: ADD_CODE(&td, MINT_CONV_OVF_U1_I4); break; case STACK_TYPE_I8: ADD_CODE(&td, MINT_CONV_OVF_U1_I8); break; default: g_assert_not_reached (); } ++td.ip; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); break; case CEE_CONV_OVF_I2: case CEE_CONV_OVF_I2_UN: CHECK_STACK (&td, 1); switch (td.sp [-1].type) { case STACK_TYPE_R8: ADD_CODE(&td, MINT_CONV_OVF_I2_R8); break; case STACK_TYPE_I4: ADD_CODE(&td, MINT_CONV_OVF_I2_I4); break; case STACK_TYPE_I8: ADD_CODE(&td, MINT_CONV_OVF_I2_I8); break; default: g_assert_not_reached (); } ++td.ip; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); break; case CEE_CONV_OVF_U2_UN: case CEE_CONV_OVF_U2: CHECK_STACK (&td, 1); switch (td.sp [-1].type) { case STACK_TYPE_R8: ADD_CODE(&td, MINT_CONV_OVF_U2_R8); break; case STACK_TYPE_I4: ADD_CODE(&td, MINT_CONV_OVF_U2_I4); break; case STACK_TYPE_I8: ADD_CODE(&td, MINT_CONV_OVF_U2_I8); break; default: g_assert_not_reached (); } ++td.ip; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); break; #if SIZEOF_VOID_P == 4 case CEE_CONV_OVF_I: #endif case CEE_CONV_OVF_I4: case CEE_CONV_OVF_I4_UN: CHECK_STACK (&td, 1); switch (td.sp [-1].type) { case STACK_TYPE_R8: ADD_CODE(&td, MINT_CONV_OVF_I4_R8); break; case STACK_TYPE_I4: if (*td.ip == CEE_CONV_OVF_I4_UN) ADD_CODE(&td, MINT_CONV_OVF_I4_U4); break; case STACK_TYPE_I8: if (*td.ip == CEE_CONV_OVF_I4_UN) ADD_CODE (&td, MINT_CONV_OVF_I4_U8); else ADD_CODE (&td, MINT_CONV_OVF_I4_I8); break; default: g_assert_not_reached (); } ++td.ip; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); break; #if SIZEOF_VOID_P == 4 case CEE_CONV_OVF_U: #endif case CEE_CONV_OVF_U4: case CEE_CONV_OVF_U4_UN: CHECK_STACK (&td, 1); switch (td.sp [-1].type) { case STACK_TYPE_R8: ADD_CODE(&td, MINT_CONV_OVF_U4_R8); break; case STACK_TYPE_I4: if (*td.ip != CEE_CONV_OVF_U4_UN) ADD_CODE(&td, MINT_CONV_OVF_U4_I4); break; case STACK_TYPE_I8: ADD_CODE(&td, MINT_CONV_OVF_U4_I8); break; default: g_assert_not_reached (); } ++td.ip; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); break; #if SIZEOF_VOID_P == 8 case CEE_CONV_OVF_I: #endif case CEE_CONV_OVF_I8: CHECK_STACK (&td, 1); switch (td.sp [-1].type) { case STACK_TYPE_R8: ADD_CODE(&td, MINT_CONV_OVF_I8_R8); break; case STACK_TYPE_I4: ADD_CODE(&td, MINT_CONV_I8_I4); break; case STACK_TYPE_I8: break; default: g_assert_not_reached (); } ++td.ip; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8); break; #if SIZEOF_VOID_P == 8 case CEE_CONV_OVF_U: #endif case CEE_CONV_OVF_U8: CHECK_STACK (&td, 1); switch (td.sp [-1].type) { case STACK_TYPE_R8: ADD_CODE(&td, MINT_CONV_OVF_U8_R8); break; case STACK_TYPE_I4: ADD_CODE(&td, MINT_CONV_OVF_U8_I4); break; case STACK_TYPE_I8: ADD_CODE (&td, MINT_CONV_OVF_U8_I8); break; default: g_assert_not_reached (); } ++td.ip; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I8); break; case CEE_LDTOKEN: { int size; gpointer handle; token = read32 (td.ip + 1); if (method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD || method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED) { handle = mono_method_get_wrapper_data (method, token); klass = (MonoClass *) mono_method_get_wrapper_data (method, token + 1); if (klass == mono_defaults.typehandle_class) handle = &((MonoClass *) handle)->byval_arg; if (generic_context) { handle = mono_class_inflate_generic_type_checked (handle, generic_context, &error); mono_error_cleanup (&error); /* FIXME: don't swallow the error */ } } else { handle = mono_ldtoken (image, token, &klass, generic_context); } mono_class_init (klass); mt = mint_type (&klass->byval_arg); g_assert (mt == MINT_TYPE_VT); size = mono_class_value_size (klass, NULL); g_assert (size == sizeof(gpointer)); PUSH_VT (&td, sizeof(gpointer)); ADD_CODE (&td, MINT_LDTOKEN); ADD_CODE (&td, get_data_item_index (&td, handle)); SET_TYPE (td.sp, stack_type [mt], klass); td.sp++; td.ip += 5; break; } case CEE_ADD_OVF: binary_arith_op(&td, MINT_ADD_OVF_I4); ++td.ip; break; case CEE_ADD_OVF_UN: binary_arith_op(&td, MINT_ADD_OVF_UN_I4); ++td.ip; break; case CEE_MUL_OVF: binary_arith_op(&td, MINT_MUL_OVF_I4); ++td.ip; break; case CEE_MUL_OVF_UN: binary_arith_op(&td, MINT_MUL_OVF_UN_I4); ++td.ip; break; case CEE_SUB_OVF: binary_arith_op(&td, MINT_SUB_OVF_I4); ++td.ip; break; case CEE_SUB_OVF_UN: binary_arith_op(&td, MINT_SUB_OVF_UN_I4); ++td.ip; break; case CEE_ENDFINALLY: td.sp = td.stack; SIMPLE_OP (td, MINT_ENDFINALLY); generating_code = 0; break; case CEE_LEAVE: td.sp = td.stack; handle_branch (&td, MINT_LEAVE_S, MINT_LEAVE, 5 + read32 (td.ip + 1)); td.ip += 5; generating_code = 0; break; case CEE_LEAVE_S: td.sp = td.stack; handle_branch (&td, MINT_LEAVE_S, MINT_LEAVE, 2 + (gint8)td.ip [1]); td.ip += 2; generating_code = 0; break; case CEE_UNUSED41: ++td.ip; switch (*td.ip) { case CEE_MONO_CALLI_EXTRA_ARG: /* Same as CEE_CALLI, except that we drop the extra arg required for llvm specific behaviour */ ADD_CODE (&td, MINT_POP); ADD_CODE (&td, 1); --td.sp; interp_transform_call (&td, method, NULL, domain, generic_context, is_bb_start, body_start_offset, NULL, FALSE); break; case CEE_MONO_JIT_ICALL_ADDR: { guint32 token; gpointer func; MonoJitICallInfo *info; token = read32 (td.ip + 1); td.ip += 5; func = mono_method_get_wrapper_data (method, token); info = mono_find_jit_icall_by_addr (func); ADD_CODE (&td, MINT_LDFTN); ADD_CODE (&td, get_data_item_index (&td, func)); PUSH_SIMPLE_TYPE (&td, STACK_TYPE_I); break; } case CEE_MONO_ICALL: { guint32 token; gpointer func; MonoJitICallInfo *info; token = read32 (td.ip + 1); td.ip += 5; func = mono_method_get_wrapper_data (method, token); info = mono_find_jit_icall_by_addr (func); g_assert (info); CHECK_STACK (&td, info->sig->param_count); switch (info->sig->param_count) { case 0: if (MONO_TYPE_IS_VOID (info->sig->ret)) ADD_CODE (&td,MINT_ICALL_V_V); else ADD_CODE (&td, MINT_ICALL_V_P); break; case 1: if (MONO_TYPE_IS_VOID (info->sig->ret)) ADD_CODE (&td,MINT_ICALL_P_V); else ADD_CODE (&td,MINT_ICALL_P_P); break; case 2: if (MONO_TYPE_IS_VOID (info->sig->ret)) { if (info->sig->params [1]->type == MONO_TYPE_I4) ADD_CODE (&td,MINT_ICALL_PI_V); else ADD_CODE (&td,MINT_ICALL_PP_V); } else { if (info->sig->params [1]->type == MONO_TYPE_I4) ADD_CODE (&td,MINT_ICALL_PI_P); else ADD_CODE (&td,MINT_ICALL_PP_P); } break; case 3: g_assert (MONO_TYPE_IS_VOID (info->sig->ret)); if (info->sig->params [2]->type == MONO_TYPE_I4) ADD_CODE (&td,MINT_ICALL_PPI_V); else ADD_CODE (&td,MINT_ICALL_PPP_V); break; default: g_assert_not_reached (); } if (func == mono_ftnptr_to_delegate) { g_error ("TODO: ?"); } ADD_CODE(&td, get_data_item_index (&td, func)); td.sp -= info->sig->param_count; if (!MONO_TYPE_IS_VOID (info->sig->ret)) { td.sp ++; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I); } break; } case CEE_MONO_VTADDR: { int size; CHECK_STACK (&td, 1); if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) size = mono_class_native_size(td.sp [-1].klass, NULL); else size = mono_class_value_size(td.sp [-1].klass, NULL); size = (size + 7) & ~7; ADD_CODE(&td, MINT_VTRESULT); ADD_CODE(&td, 0); WRITE32(&td, &size); td.vt_sp -= size; ++td.ip; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP); break; } case CEE_MONO_LDPTR: case CEE_MONO_CLASSCONST: token = read32 (td.ip + 1); td.ip += 5; ADD_CODE(&td, MINT_MONO_LDPTR); ADD_CODE(&td, get_data_item_index (&td, mono_method_get_wrapper_data (method, token))); td.sp [0].type = STACK_TYPE_I; ++td.sp; break; case CEE_MONO_OBJADDR: CHECK_STACK (&td, 1); ++td.ip; td.sp[-1].type = STACK_TYPE_MP; /* do nothing? */ break; case CEE_MONO_NEWOBJ: token = read32 (td.ip + 1); td.ip += 5; ADD_CODE(&td, MINT_MONO_NEWOBJ); ADD_CODE(&td, get_data_item_index (&td, mono_method_get_wrapper_data (method, token))); td.sp [0].type = STACK_TYPE_O; ++td.sp; break; case CEE_MONO_RETOBJ: CHECK_STACK (&td, 1); token = read32 (td.ip + 1); td.ip += 5; ADD_CODE(&td, MINT_MONO_RETOBJ); td.sp--; klass = (MonoClass *)mono_method_get_wrapper_data (method, token); /*stackval_from_data (signature->ret, frame->retval, sp->data.vt, signature->pinvoke);*/ if (td.sp > td.stack) g_warning ("CEE_MONO_RETOBJ: more values on stack: %d", td.sp-td.stack); break; case CEE_MONO_LDNATIVEOBJ: token = read32 (td.ip + 1); td.ip += 5; klass = (MonoClass *)mono_method_get_wrapper_data (method, token); g_assert(klass->valuetype); SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP); break; case CEE_MONO_TLS: { gint32 key = read32 (td.ip + 1); td.ip += 5; g_assert (key < TLS_KEY_NUM); ADD_CODE (&td, MINT_MONO_TLS); WRITE32 (&td, &key); PUSH_SIMPLE_TYPE (&td, STACK_TYPE_MP); break; } case CEE_MONO_ATOMIC_STORE_I4: CHECK_STACK (&td, 2); SIMPLE_OP (td, MINT_MONO_ATOMIC_STORE_I4); td.sp -= 2; td.ip++; break; case CEE_MONO_SAVE_LMF: case CEE_MONO_RESTORE_LMF: case CEE_MONO_NOT_TAKEN: ++td.ip; break; case CEE_MONO_LDPTR_INT_REQ_FLAG: ADD_CODE (&td, MINT_MONO_LDPTR); ADD_CODE (&td, get_data_item_index (&td, mono_thread_interruption_request_flag ())); PUSH_TYPE (&td, STACK_TYPE_MP, NULL); ++td.ip; break; default: g_error ("transform.c: Unimplemented opcode: 0xF0 %02x at 0x%x\n", *td.ip, td.ip-header->code); } break; #if 0 case CEE_PREFIX7: case CEE_PREFIX6: case CEE_PREFIX5: case CEE_PREFIX4: case CEE_PREFIX3: case CEE_PREFIX2: case CEE_PREFIXREF: ves_abort(); break; #endif /* * Note: Exceptions thrown when executing a prefixed opcode need * to take into account the number of prefix bytes (usually the * throw point is just (ip - n_prefix_bytes). */ case CEE_PREFIX1: ++td.ip; switch (*td.ip) { #if 0 case CEE_ARGLIST: ves_abort(); break; #endif case CEE_CEQ: CHECK_STACK(&td, 2); if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP) ADD_CODE(&td, MINT_CEQ_I4 + STACK_TYPE_I - STACK_TYPE_I4); else ADD_CODE(&td, MINT_CEQ_I4 + td.sp [-1].type - STACK_TYPE_I4); --td.sp; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); ++td.ip; break; case CEE_CGT: CHECK_STACK(&td, 2); if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP) ADD_CODE(&td, MINT_CGT_I4 + STACK_TYPE_I - STACK_TYPE_I4); else ADD_CODE(&td, MINT_CGT_I4 + td.sp [-1].type - STACK_TYPE_I4); --td.sp; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); ++td.ip; break; case CEE_CGT_UN: CHECK_STACK(&td, 2); if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP) ADD_CODE(&td, MINT_CGT_UN_I4 + STACK_TYPE_I - STACK_TYPE_I4); else ADD_CODE(&td, MINT_CGT_UN_I4 + td.sp [-1].type - STACK_TYPE_I4); --td.sp; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); ++td.ip; break; case CEE_CLT: CHECK_STACK(&td, 2); if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP) ADD_CODE(&td, MINT_CLT_I4 + STACK_TYPE_I - STACK_TYPE_I4); else ADD_CODE(&td, MINT_CLT_I4 + td.sp [-1].type - STACK_TYPE_I4); --td.sp; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); ++td.ip; break; case CEE_CLT_UN: CHECK_STACK(&td, 2); if (td.sp [-1].type == STACK_TYPE_O || td.sp [-1].type == STACK_TYPE_MP) ADD_CODE(&td, MINT_CLT_UN_I4 + STACK_TYPE_I - STACK_TYPE_I4); else ADD_CODE(&td, MINT_CLT_UN_I4 + td.sp [-1].type - STACK_TYPE_I4); --td.sp; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_I4); ++td.ip; break; case CEE_LDVIRTFTN: /* fallthrough */ case CEE_LDFTN: { MonoMethod *m; if (*td.ip == CEE_LDVIRTFTN) { CHECK_STACK (&td, 1); --td.sp; } token = read32 (td.ip + 1); if (method->wrapper_type != MONO_WRAPPER_NONE) m = (MonoMethod *)mono_method_get_wrapper_data (method, token); else m = mono_get_method_full (image, token, NULL, generic_context); if (method->wrapper_type == MONO_WRAPPER_NONE && m->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED) m = mono_marshal_get_synchronized_wrapper (m); ADD_CODE(&td, *td.ip == CEE_LDFTN ? MINT_LDFTN : MINT_LDVIRTFTN); ADD_CODE(&td, get_data_item_index (&td, mono_interp_get_runtime_method (domain, m, &error))); mono_error_cleanup (&error); /* FIXME: don't swallow the error */ td.ip += 5; PUSH_SIMPLE_TYPE (&td, STACK_TYPE_F); break; } case CEE_LDARG: load_arg (&td, read16 (td.ip + 1)); td.ip += 3; break; case CEE_LDARGA: { int n = read16 (td.ip + 1); ADD_CODE (&td, MINT_LDARGA); ADD_CODE (&td, td.rtm->arg_offsets [n]); /* FIX for large offsets */ PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP); td.ip += 3; break; } case CEE_STARG: store_arg (&td, read16 (td.ip + 1)); td.ip += 3; break; case CEE_LDLOC: load_local (&td, read16 (td.ip + 1)); td.ip += 3; break; case CEE_LDLOCA: ADD_CODE(&td, MINT_LDLOCA_S); ADD_CODE(&td, td.rtm->local_offsets [read16 (td.ip + 1)]); PUSH_SIMPLE_TYPE(&td, STACK_TYPE_MP); td.ip += 3; break; case CEE_STLOC: store_local (&td, read16 (td.ip + 1)); td.ip += 3; break; case CEE_LOCALLOC: CHECK_STACK (&td, 1); #if SIZEOF_VOID_P == 8 if (td.sp [-1].type == STACK_TYPE_I8) ADD_CODE(&td, MINT_CONV_I4_I8); #endif ADD_CODE(&td, MINT_LOCALLOC); if (td.sp != td.stack + 1) g_warning("CEE_LOCALLOC: stack not empty"); ++td.ip; SET_SIMPLE_TYPE(td.sp - 1, STACK_TYPE_MP); break; #if 0 case CEE_UNUSED57: ves_abort(); break; #endif case CEE_ENDFILTER: ADD_CODE (&td, MINT_ENDFILTER); ++td.ip; break; case CEE_UNALIGNED_: ++td.ip; /* FIX: should do something? */; break; case CEE_VOLATILE_: ++td.ip; /* FIX: should do something? */; break; case CEE_TAIL_: ++td.ip; /* FIX: should do something? */; break; case CEE_INITOBJ: CHECK_STACK(&td, 1); token = read32 (td.ip + 1); klass = mini_get_class (method, token, generic_context); if (klass->valuetype) { ADD_CODE (&td, MINT_INITOBJ); i32 = mono_class_value_size (klass, NULL); WRITE32 (&td, &i32); } else { ADD_CODE (&td, MINT_LDNULL); ADD_CODE (&td, MINT_STIND_REF); } td.ip += 5; --td.sp; break; case CEE_CPBLK: CHECK_STACK(&td, 3); /* FIX? convert length to I8? */ ADD_CODE(&td, MINT_CPBLK); td.sp -= 3; ++td.ip; break; case CEE_READONLY_: readonly = TRUE; td.ip += 1; break; case CEE_CONSTRAINED_: token = read32 (td.ip + 1); constrained_class = mini_get_class (method, token, generic_context); mono_class_init (constrained_class); td.ip += 5; break; case CEE_INITBLK: CHECK_STACK(&td, 3); ADD_CODE(&td, MINT_INITBLK); td.sp -= 3; td.ip += 1; break; #if 0 case CEE_NO_: /* FIXME: implement */ ip += 2; break; #endif case CEE_RETHROW: SIMPLE_OP (td, MINT_RETHROW); generating_code = 0; break; case CEE_SIZEOF: { gint32 size; token = read32 (td.ip + 1); td.ip += 5; if (mono_metadata_token_table (token) == MONO_TABLE_TYPESPEC && !image_is_dynamic (method->klass->image) && !generic_context) { int align; MonoType *type = mono_type_create_from_typespec (image, token); size = mono_type_size (type, &align); } else { int align; MonoClass *szclass = mini_get_class (method, token, generic_context); mono_class_init (szclass); #if 0 if (!szclass->valuetype) THROW_EX (mono_exception_from_name (mono_defaults.corlib, "System", "InvalidProgramException"), ip - 5); #endif size = mono_type_size (&szclass->byval_arg, &align); } ADD_CODE(&td, MINT_LDC_I4); WRITE32(&td, &size); PUSH_SIMPLE_TYPE(&td, STACK_TYPE_I4); break; } #if 0 case CEE_REFANYTYPE: ves_abort(); break; #endif default: g_error ("transform.c: Unimplemented opcode: 0xFE %02x (%s) at 0x%x\n", *td.ip, mono_opcode_name (256 + *td.ip), td.ip-header->code); } break; default: g_error ("transform.c: Unimplemented opcode: %02x at 0x%x\n", *td.ip, td.ip-header->code); } if (td.new_ip - td.new_code != new_in_start_offset) td.last_new_ip = td.new_code + new_in_start_offset; else if (td.is_bb_start [td.in_start - td.il_code]) td.is_bb_start [td.ip - td.il_code] = 1; td.last_ip = td.in_start; } if (mono_interp_traceopt) { const guint16 *p = td.new_code; printf("Runtime method: %p, VT stack size: %d\n", rtm, td.max_vt_sp); printf("Calculated stack size: %d, stated size: %d\n", td.max_stack_height, header->max_stack); while (p < td.new_ip) { p = mono_interp_dis_mintop(td.new_code, p); printf("\n"); } } g_assert (td.max_stack_height <= (header->max_stack + 1)); rtm->clauses = mono_domain_alloc0 (domain, header->num_clauses * sizeof (MonoExceptionClause)); memcpy (rtm->clauses, header->clauses, header->num_clauses * sizeof(MonoExceptionClause)); rtm->code = mono_domain_alloc0 (domain, (td.new_ip - td.new_code) * sizeof (gushort)); memcpy (rtm->code, td.new_code, (td.new_ip - td.new_code) * sizeof(gushort)); g_free (td.new_code); rtm->new_body_start = rtm->code + body_start_offset; rtm->num_clauses = header->num_clauses; for (i = 0; i < header->num_clauses; i++) { MonoExceptionClause *c = rtm->clauses + i; int end_off = c->try_offset + c->try_len; c->try_offset = td.in_offsets [c->try_offset]; c->try_len = td.in_offsets [end_off] - c->try_offset; end_off = c->handler_offset + c->handler_len; c->handler_offset = td.in_offsets [c->handler_offset]; c->handler_len = td.in_offsets [end_off] - c->handler_offset; if (c->flags & MONO_EXCEPTION_CLAUSE_FILTER) c->data.filter_offset = td.in_offsets [c->data.filter_offset]; } rtm->vt_stack_size = td.max_vt_sp; rtm->alloca_size = rtm->locals_size + rtm->args_size + rtm->vt_stack_size + rtm->stack_size; rtm->data_items = mono_domain_alloc0 (domain, td.n_data_items * sizeof (td.data_items [0])); memcpy (rtm->data_items, td.data_items, td.n_data_items * sizeof (td.data_items [0])); g_free (td.in_offsets); g_free (td.forward_refs); for (i = 0; i < header->code_size; ++i) g_free (td.stack_state [i]); g_free (td.stack_state); g_free (td.stack_height); g_free (td.vt_stack_size); g_free (td.data_items); g_free (td.stack); g_hash_table_destroy (td.data_hash); } static mono_mutex_t calc_section; void mono_interp_transform_init (void) { mono_os_mutex_init_recursive(&calc_section); } MonoException * mono_interp_transform_method (RuntimeMethod *runtime_method, ThreadContext *context) { int i, align, size, offset; MonoMethod *method = runtime_method->method; MonoImage *image = method->klass->image; MonoMethodHeader *header = mono_method_get_header (method); MonoMethodSignature *signature = mono_method_signature (method); register const unsigned char *ip, *end; const MonoOpcode *opcode; MonoMethod *m; MonoClass *class; MonoDomain *domain = mono_domain_get (); unsigned char *is_bb_start; int in; MonoVTable *method_class_vt; int backwards; MonoGenericContext *generic_context = NULL; // g_printerr ("TRANSFORM(0x%016lx): begin %s::%s\n", mono_thread_current (), method->klass->name, method->name); method_class_vt = mono_class_vtable (domain, runtime_method->method->klass); if (!method_class_vt->initialized) { MonoError error; jmp_buf env; MonoInvocation *last_env_frame = context->env_frame; jmp_buf *old_env = context->current_env; error_init (&error); if (setjmp(env)) { MonoException *failed = context->env_frame->ex; context->env_frame->ex = NULL; context->env_frame = last_env_frame; context->current_env = old_env; return failed; } context->env_frame = context->current_frame; context->current_env = &env; mono_runtime_class_init_full (method_class_vt, &error); if (!mono_error_ok (&error)) { return mono_error_convert_to_exception (&error); } context->env_frame = last_env_frame; context->current_env = old_env; } mono_profiler_method_jit (method); /* sort of... */ if (mono_method_signature (method)->is_inflated) generic_context = mono_method_get_context (method); else { MonoGenericContainer *generic_container = mono_method_get_generic_container (method); if (generic_container) generic_context = &generic_container->context; } if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) { MonoMethod *nm = NULL; mono_os_mutex_lock(&calc_section); if (runtime_method->transformed) { mono_os_mutex_unlock(&calc_section); mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK); return NULL; } /* assumes all internal calls with an array this are built in... */ if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL && (! mono_method_signature (method)->hasthis || method->klass->rank == 0)) { nm = mono_marshal_get_native_wrapper (method, TRUE, FALSE); signature = mono_method_signature (nm); } else { const char *name = method->name; if (method->klass->parent == mono_defaults.multicastdelegate_class) { if (*name == '.' && (strcmp (name, ".ctor") == 0)) { MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("ves_icall_mono_delegate_ctor"); g_assert (mi); char *wrapper_name = g_strdup_printf ("__icall_wrapper_%s", mi->name); nm = mono_marshal_get_icall_wrapper (mi->sig, wrapper_name, mi->func, TRUE); } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) { nm = mono_marshal_get_delegate_invoke (method, NULL); } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) { nm = mono_marshal_get_delegate_begin_invoke (method); } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) { nm = mono_marshal_get_delegate_end_invoke (method); } } if (nm == NULL) { runtime_method->code = g_malloc(sizeof(short)); runtime_method->code[0] = MINT_CALLRUN; } } if (nm == NULL) { runtime_method->stack_size = sizeof (stackval); /* for tracing */ runtime_method->alloca_size = runtime_method->stack_size; runtime_method->transformed = TRUE; mono_os_mutex_unlock(&calc_section); mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK); return NULL; } method = nm; header = mono_method_get_header (nm); mono_os_mutex_unlock(&calc_section); } else if (method->klass == mono_defaults.array_class) { if (!strcmp (method->name, "UnsafeMov")) { mono_os_mutex_lock (&calc_section); if (!runtime_method->transformed) { runtime_method->code = g_malloc (sizeof (short)); runtime_method->code[0] = MINT_CALLRUN; runtime_method->stack_size = sizeof (stackval); /* for tracing */ runtime_method->alloca_size = runtime_method->stack_size; runtime_method->transformed = TRUE; } mono_os_mutex_unlock(&calc_section); mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK); return NULL; } else if (!strcmp (method->name, "UnsafeStore)")) { g_error ("TODO"); } else if (!strcmp (method->name, "UnsafeLoad)")) { g_error ("TODO"); } } g_assert ((signature->param_count + signature->hasthis) < 1000); g_assert (header->max_stack < 10000); /* intern the strings in the method. */ ip = header->code; end = ip + header->code_size; is_bb_start = g_malloc0(header->code_size); is_bb_start [0] = 1; while (ip < end) { in = *ip; if (in == 0xfe) { ip++; in = *ip + 256; } else if (in == 0xf0) { ip++; in = *ip + MONO_CEE_MONO_ICALL; } opcode = &mono_opcodes [in]; switch (opcode->argument) { case MonoInlineNone: ++ip; break; case MonoInlineString: if (method->wrapper_type == MONO_WRAPPER_NONE) mono_ldstr (domain, image, mono_metadata_token_index (read32 (ip + 1))); ip += 5; break; case MonoInlineType: if (method->wrapper_type == MONO_WRAPPER_NONE) { class = mini_get_class (method, read32 (ip + 1), generic_context); mono_class_init (class); /* quick fix to not do this for the fake ptr classes - probably should not be getting the vtable at all here */ #if 0 g_error ("FIXME: interface method lookup: %s (in method %s)", class->name, method->name); if (!(class->flags & TYPE_ATTRIBUTE_INTERFACE) && class->interface_offsets != NULL) mono_class_vtable (domain, class); #endif } ip += 5; break; case MonoInlineMethod: if (method->wrapper_type == MONO_WRAPPER_NONE && *ip != CEE_CALLI) { m = mono_get_method_full (image, read32 (ip + 1), NULL, generic_context); if (m == NULL) { g_free (is_bb_start); g_error ("FIXME: where to get method and class string?"); return NULL; // return mono_get_exception_missing_method (); } mono_class_init (m->klass); if (!mono_class_is_interface (m->klass)) mono_class_vtable (domain, m->klass); } ip += 5; break; case MonoInlineField: case MonoInlineSig: case MonoInlineI: case MonoInlineTok: case MonoShortInlineR: ip += 5; break; case MonoInlineBrTarget: offset = read32 (ip + 1); ip += 5; backwards = offset < 0; offset += ip - header->code; g_assert (offset >= 0 && offset < header->code_size); is_bb_start [offset] |= backwards ? 2 : 1; break; case MonoShortInlineBrTarget: offset = ((gint8 *)ip) [1]; ip += 2; backwards = offset < 0; offset += ip - header->code; g_assert (offset >= 0 && offset < header->code_size); is_bb_start [offset] |= backwards ? 2 : 1; break; case MonoInlineVar: ip += 3; break; case MonoShortInlineVar: case MonoShortInlineI: ip += 2; break; case MonoInlineSwitch: { guint32 n; const unsigned char *next_ip; ++ip; n = read32 (ip); ip += 4; next_ip = ip + 4 * n; for (i = 0; i < n; i++) { offset = read32 (ip); backwards = offset < 0; offset += next_ip - header->code; g_assert (offset >= 0 && offset < header->code_size); is_bb_start [offset] |= backwards ? 2 : 1; ip += 4; } break; } case MonoInlineR: case MonoInlineI8: ip += 9; break; default: g_assert_not_reached (); } } // g_printerr ("TRANSFORM(0x%016lx): end %s::%s\n", mono_thread_current (), method->klass->name, method->name); /* the rest needs to be locked so it is only done once */ mono_os_mutex_lock(&calc_section); if (runtime_method->transformed) { mono_os_mutex_unlock(&calc_section); g_free (is_bb_start); mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK); return NULL; } runtime_method->local_offsets = g_malloc (header->num_locals * sizeof(guint32)); runtime_method->stack_size = (sizeof (stackval)) * (header->max_stack + 2); /* + 1 for returns of called functions + 1 for 0-ing in trace*/ runtime_method->stack_size = (runtime_method->stack_size + 7) & ~7; offset = 0; for (i = 0; i < header->num_locals; ++i) { size = mono_type_size (header->locals [i], &align); offset += align - 1; offset &= ~(align - 1); runtime_method->local_offsets [i] = offset; offset += size; } offset = (offset + 7) & ~7; runtime_method->locals_size = offset; g_assert (runtime_method->locals_size < 65536); offset = 0; runtime_method->arg_offsets = g_malloc ((!!signature->hasthis + signature->param_count) * sizeof(guint32)); if (signature->hasthis) { g_assert (!signature->pinvoke); size = mono_type_stack_size (&method->klass->byval_arg, &align); offset += align - 1; offset &= ~(align - 1); runtime_method->arg_offsets [0] = offset; offset += size; } for (i = 0; i < signature->param_count; ++i) { if (signature->pinvoke) { guint32 dummy; size = mono_type_native_stack_size (signature->params [i], &dummy); align = 8; } else size = mono_type_stack_size (signature->params [i], &align); offset += align - 1; offset &= ~(align - 1); runtime_method->arg_offsets [i + !!signature->hasthis] = offset; offset += size; } offset = (offset + 7) & ~7; runtime_method->args_size = offset; g_assert (runtime_method->args_size < 10000); generate (method, runtime_method, is_bb_start, generic_context); g_free (is_bb_start); mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_OK); runtime_method->transformed = TRUE; mono_os_mutex_unlock(&calc_section); return NULL; }