return memcpy_method;
}
-static void
-create_write_barrier_bitmap (MonoCompile *cfg, MonoClass *klass, unsigned *wb_bitmap, int offset)
-{
- MonoClassField *field;
- gpointer iter = NULL;
-
- while ((field = mono_class_get_fields (klass, &iter))) {
- int foffset;
-
- if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
- continue;
- foffset = klass->valuetype ? field->offset - sizeof (MonoObject): field->offset;
- if (mini_type_is_reference (mono_field_get_type (field))) {
- g_assert ((foffset % SIZEOF_VOID_P) == 0);
- *wb_bitmap |= 1 << ((offset + foffset) / SIZEOF_VOID_P);
- } else {
- MonoClass *field_class = mono_class_from_mono_type (field->type);
- if (field_class->has_references)
- create_write_barrier_bitmap (cfg, field_class, wb_bitmap, offset + foffset);
- }
- }
-}
-
void
mini_emit_write_barrier (MonoCompile *cfg, MonoInst *ptr, MonoInst *value)
{
if (!cfg->gen_write_barriers)
return;
+ //method->wrapper_type != MONO_WRAPPER_WRITE_BARRIER && !MONO_INS_IS_PCONST_NULL (sp [1])
+
card_table = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
mono_gc_get_nursery (&nursery_shift_bits, &nursery_size);
EMIT_NEW_DUMMY_USE (cfg, dummy_use, value);
}
-gboolean
-mini_emit_wb_aware_memcpy (MonoCompile *cfg, MonoClass *klass, MonoInst *iargs[4], int size, int align)
-{
- int dest_ptr_reg, tmp_reg, destreg, srcreg, offset;
- unsigned need_wb = 0;
-
- if (align == 0)
- align = 4;
-
- /*types with references can't have alignment smaller than sizeof(void*) */
- if (align < SIZEOF_VOID_P)
- return FALSE;
-
- if (size > 5 * SIZEOF_VOID_P)
- return FALSE;
-
- create_write_barrier_bitmap (cfg, klass, &need_wb, 0);
-
- destreg = iargs [0]->dreg;
- srcreg = iargs [1]->dreg;
- offset = 0;
-
- dest_ptr_reg = alloc_preg (cfg);
- tmp_reg = alloc_preg (cfg);
-
- /*tmp = dreg*/
- EMIT_NEW_UNALU (cfg, iargs [0], OP_MOVE, dest_ptr_reg, destreg);
-
- while (size >= SIZEOF_VOID_P) {
- MonoInst *load_inst;
- MONO_INST_NEW (cfg, load_inst, OP_LOAD_MEMBASE);
- load_inst->dreg = tmp_reg;
- load_inst->inst_basereg = srcreg;
- load_inst->inst_offset = offset;
- MONO_ADD_INS (cfg->cbb, load_inst);
-
- MONO_EMIT_NEW_STORE_MEMBASE (cfg, OP_STOREP_MEMBASE_REG, dest_ptr_reg, 0, tmp_reg);
-
- if (need_wb & 0x1)
- mini_emit_write_barrier (cfg, iargs [0], load_inst);
-
- offset += SIZEOF_VOID_P;
- size -= SIZEOF_VOID_P;
- need_wb >>= 1;
-
- /*tmp += sizeof (void*)*/
- if (size >= SIZEOF_VOID_P) {
- NEW_BIALU_IMM (cfg, iargs [0], OP_PADD_IMM, dest_ptr_reg, dest_ptr_reg, SIZEOF_VOID_P);
- MONO_ADD_INS (cfg->cbb, iargs [0]);
- }
- }
-
- /* Those cannot be references since size < sizeof (void*) */
- while (size >= 4) {
- MONO_EMIT_NEW_LOAD_MEMBASE_OP (cfg, OP_LOADI4_MEMBASE, tmp_reg, srcreg, offset);
- MONO_EMIT_NEW_STORE_MEMBASE (cfg, OP_STOREI4_MEMBASE_REG, destreg, offset, tmp_reg);
- offset += 4;
- size -= 4;
- }
-
- while (size >= 2) {
- MONO_EMIT_NEW_LOAD_MEMBASE_OP (cfg, OP_LOADI2_MEMBASE, tmp_reg, srcreg, offset);
- MONO_EMIT_NEW_STORE_MEMBASE (cfg, OP_STOREI2_MEMBASE_REG, destreg, offset, tmp_reg);
- offset += 2;
- size -= 2;
- }
-
- while (size >= 1) {
- MONO_EMIT_NEW_LOAD_MEMBASE_OP (cfg, OP_LOADI1_MEMBASE, tmp_reg, srcreg, offset);
- MONO_EMIT_NEW_STORE_MEMBASE (cfg, OP_STOREI1_MEMBASE_REG, destreg, offset, tmp_reg);
- offset += 1;
- size -= 1;
- }
-
- return TRUE;
-}
-
-/*
- * Emit code to copy a valuetype of type @klass whose address is stored in
- * @src->dreg to memory whose address is stored at @dest->dreg.
- */
-void
-mini_emit_stobj (MonoCompile *cfg, MonoInst *dest, MonoInst *src, MonoClass *klass, gboolean native)
-{
- MonoInst *iargs [4];
- int n;
- guint32 align = 0;
- MonoMethod *memcpy_method;
- MonoInst *size_ins = NULL;
- MonoInst *memcpy_ins = NULL;
-
- g_assert (klass);
- if (cfg->gshared)
- klass = mono_class_from_mono_type (mini_get_underlying_type (&klass->byval_arg));
-
- /*
- * This check breaks with spilled vars... need to handle it during verification anyway.
- * g_assert (klass && klass == src->klass && klass == dest->klass);
- */
-
- if (mini_is_gsharedvt_klass (klass)) {
- g_assert (!native);
- size_ins = mini_emit_get_gsharedvt_info_klass (cfg, klass, MONO_RGCTX_INFO_VALUE_SIZE);
- memcpy_ins = mini_emit_get_gsharedvt_info_klass (cfg, klass, MONO_RGCTX_INFO_MEMCPY);
- }
-
- if (native)
- n = mono_class_native_size (klass, &align);
- else
- n = mono_class_value_size (klass, &align);
-
- if (!align)
- align = SIZEOF_VOID_P;
- /* if native is true there should be no references in the struct */
- if (cfg->gen_write_barriers && (klass->has_references || size_ins) && !native) {
- /* Avoid barriers when storing to the stack */
- if (!((dest->opcode == OP_ADD_IMM && dest->sreg1 == cfg->frame_reg) ||
- (dest->opcode == OP_LDADDR))) {
- int context_used;
-
- iargs [0] = dest;
- iargs [1] = src;
-
- context_used = mini_class_check_context_used (cfg, klass);
-
- /* It's ok to intrinsify under gsharing since shared code types are layout stable. */
- if (!size_ins && (cfg->opt & MONO_OPT_INTRINS) && mini_emit_wb_aware_memcpy (cfg, klass, iargs, n, align)) {
- return;
- } else if (size_ins || align < SIZEOF_VOID_P) {
- if (context_used) {
- iargs [2] = mini_emit_get_rgctx_klass (cfg, context_used, klass, MONO_RGCTX_INFO_KLASS);
- } else {
- iargs [2] = mini_emit_runtime_constant (cfg, MONO_PATCH_INFO_CLASS, klass);
- if (!cfg->compile_aot)
- mono_class_compute_gc_descriptor (klass);
- }
- if (size_ins)
- mono_emit_jit_icall (cfg, mono_gsharedvt_value_copy, iargs);
- else
- mono_emit_jit_icall (cfg, mono_value_copy, iargs);
- } else {
- /* We don't unroll more than 5 stores to avoid code bloat. */
- /*This is harmless and simplify mono_gc_get_range_copy_func */
- n += (SIZEOF_VOID_P - 1);
- n &= ~(SIZEOF_VOID_P - 1);
-
- EMIT_NEW_ICONST (cfg, iargs [2], n);
- mono_emit_jit_icall (cfg, mono_gc_get_range_copy_func (), iargs);
- }
- }
- }
-
- if (!size_ins && (cfg->opt & MONO_OPT_INTRINS) && n <= sizeof (gpointer) * 8) {
- /* FIXME: Optimize the case when src/dest is OP_LDADDR */
- mini_emit_memcpy (cfg, dest->dreg, 0, src->dreg, 0, n, align);
- } else {
- iargs [0] = dest;
- iargs [1] = src;
- if (size_ins)
- iargs [2] = size_ins;
- else
- EMIT_NEW_ICONST (cfg, iargs [2], n);
-
- memcpy_method = mini_get_memcpy_method ();
- if (memcpy_ins)
- mini_emit_calli (cfg, mono_method_signature (memcpy_method), iargs, memcpy_ins, NULL, NULL);
- else
- mono_emit_method_call (cfg, memcpy_method, iargs, NULL);
- }
-}
-
MonoMethod*
mini_get_memset_method (void)
{
return addr;
}
-static MonoBreakPolicy
-always_insert_breakpoint (MonoMethod *method)
-{
- return MONO_BREAK_POLICY_ALWAYS;
-}
-
-static MonoBreakPolicyFunc break_policy_func = always_insert_breakpoint;
-
-/**
- * mono_set_break_policy:
- * \param policy_callback the new callback function
- *
- * Allow embedders to decide wherther to actually obey breakpoint instructions
- * (both break IL instructions and \c Debugger.Break method calls), for example
- * to not allow an app to be aborted by a perfectly valid IL opcode when executing
- * untrusted or semi-trusted code.
- *
- * \p policy_callback will be called every time a break point instruction needs to
- * be inserted with the method argument being the method that calls \c Debugger.Break
- * or has the IL \c break instruction. The callback should return \c MONO_BREAK_POLICY_NEVER
- * if it wants the breakpoint to not be effective in the given method.
- * \c MONO_BREAK_POLICY_ALWAYS is the default.
- */
-void
-mono_set_break_policy (MonoBreakPolicyFunc policy_callback)
-{
- if (policy_callback)
- break_policy_func = policy_callback;
- else
- break_policy_func = always_insert_breakpoint;
-}
-
-static gboolean
-should_insert_brekpoint (MonoMethod *method) {
- switch (break_policy_func (method)) {
- case MONO_BREAK_POLICY_ALWAYS:
- return TRUE;
- case MONO_BREAK_POLICY_NEVER:
- return FALSE;
- case MONO_BREAK_POLICY_ON_DBG:
- g_warning ("mdb no longer supported");
- return FALSE;
- default:
- g_warning ("Incorrect value returned from break policy callback");
- return FALSE;
- }
-}
-
/* optimize the simple GetGenericValueImpl/SetGenericValueImpl generic icalls */
static MonoInst*
emit_array_generic_access (MonoCompile *cfg, MonoMethodSignature *fsig, MonoInst **args, int is_set)
return NULL;
}
+
+static gboolean
+mono_type_is_native_blittable (MonoType *t)
+{
+ if (MONO_TYPE_IS_REFERENCE (t))
+ return FALSE;
+
+ if (MONO_TYPE_IS_PRIMITIVE_SCALAR (t))
+ return TRUE;
+
+ MonoClass *klass = mono_class_from_mono_type (t);
+
+ //MonoClass::blitable depends on mono_class_setup_fields being done.
+ mono_class_setup_fields (klass);
+ if (!klass->blittable)
+ return FALSE;
+
+ // If the native marshal size is different we can't convert PtrToStructure to a type load
+ if (mono_class_native_size (klass, NULL) != mono_class_value_size (klass, NULL))
+ return FALSE;
+
+ return TRUE;
+}
+
+
static MonoInst*
mini_emit_inst_for_method (MonoCompile *cfg, MonoMethod *cmethod, MonoMethodSignature *fsig, MonoInst **args)
{
(strcmp (cmethod->klass->name_space, "System.Diagnostics") == 0) &&
(strcmp (cmethod->klass->name, "Debugger") == 0)) {
if (!strcmp (cmethod->name, "Break") && fsig->param_count == 0) {
- if (should_insert_brekpoint (cfg->method)) {
+ if (mini_should_insert_breakpoint (cfg->method)) {
ins = mono_emit_jit_icall (cfg, mono_debugger_agent_user_break, NULL);
} else {
MONO_INST_NEW (cfg, ins, OP_NOP);
MONO_ADD_INS (cfg->cbb, ins);
return ins;
}
+ } else if (cmethod->klass->image == mono_defaults.corlib &&
+ (strcmp (cmethod->klass->name_space, "System.Runtime.InteropServices") == 0) &&
+ (strcmp (cmethod->klass->name, "Marshal") == 0)) {
+ //Convert Marshal.PtrToStructure<T> of blittable T to direct loads
+ if (strcmp (cmethod->name, "PtrToStructure") == 0 &&
+ cmethod->is_inflated &&
+ fsig->param_count == 1 &&
+ !mini_method_check_context_used (cfg, cmethod)) {
+
+ MonoGenericContext *method_context = mono_method_get_context (cmethod);
+ MonoType *arg0 = method_context->method_inst->type_argv [0];
+ if (mono_type_is_native_blittable (arg0))
+ return mini_emit_memory_load (cfg, arg0, args [0], 0, 0);
+ }
}
#ifdef MONO_ARCH_SIMD_INTRINSICS
return method;
}
-MonoClass*
-mini_get_class (MonoMethod *method, guint32 token, MonoGenericContext *context)
-{
- MonoError error;
- MonoClass *klass;
-
- if (method->wrapper_type != MONO_WRAPPER_NONE) {
- klass = (MonoClass *)mono_method_get_wrapper_data (method, token);
- if (context) {
- klass = mono_class_inflate_generic_class_checked (klass, context, &error);
- mono_error_cleanup (&error); /* FIXME don't swallow the error */
- }
- } else {
- klass = mono_class_get_and_inflate_typespec_checked (method->klass->image, token, context, &error);
- mono_error_cleanup (&error); /* FIXME don't swallow the error */
- }
- if (klass)
- mono_class_init (klass);
- return klass;
-}
-
static inline MonoMethodSignature*
mini_get_signature (MonoMethod *method, guint32 token, MonoGenericContext *context, MonoError *error)
{
MONO_ADD_INS (cfg->cbb, ins);
break;
case CEE_BREAK:
- if (should_insert_brekpoint (cfg->method)) {
+ if (mini_should_insert_breakpoint (cfg->method)) {
ins = mono_emit_jit_icall (cfg, mono_debugger_agent_user_break, NULL);
} else {
MONO_INST_NEW (cfg, ins, OP_NOP);
klass = mini_get_class (method, token, generic_context);
CHECK_TYPELOAD (klass);
sp -= 2;
- if (generic_class_is_reference_type (cfg, klass)) {
- MonoInst *store, *load;
- int dreg = alloc_ireg_ref (cfg);
-
- NEW_LOAD_MEMBASE (cfg, load, OP_LOAD_MEMBASE, dreg, sp [1]->dreg, 0);
- load->flags |= ins_flag;
- MONO_ADD_INS (cfg->cbb, load);
-
- NEW_STORE_MEMBASE (cfg, store, OP_STORE_MEMBASE_REG, sp [0]->dreg, 0, dreg);
- store->flags |= ins_flag;
- MONO_ADD_INS (cfg->cbb, store);
-
- if (cfg->gen_write_barriers && cfg->method->wrapper_type != MONO_WRAPPER_WRITE_BARRIER)
- mini_emit_write_barrier (cfg, sp [0], sp [1]);
- } else {
- mini_emit_stobj (cfg, sp [0], sp [1], klass, FALSE);
- }
+ mini_emit_memory_copy (cfg, sp [0], sp [1], klass, FALSE, ins_flag);
ins_flag = 0;
ip += 5;
break;
}
/* Optimize the ldobj+stobj combination */
- /* The reference case ends up being a load+store anyway */
- /* Skip this if the operation is volatile. */
- if (((ip [5] == CEE_STOBJ) && ip_in_bb (cfg, cfg->cbb, ip + 5) && read32 (ip + 6) == token) && !generic_class_is_reference_type (cfg, klass) && !(ins_flag & MONO_INST_VOLATILE)) {
+ if (((ip [5] == CEE_STOBJ) && ip_in_bb (cfg, cfg->cbb, ip + 5) && read32 (ip + 6) == token)) {
CHECK_STACK (1);
sp --;
- mini_emit_stobj (cfg, sp [0], sp [1], klass, FALSE);
+ mini_emit_memory_copy (cfg, sp [0], sp [1], klass, FALSE, ins_flag);
ip += 5 + 5;
ins_flag = 0;
dreg = alloc_ireg_mp (cfg);
EMIT_NEW_BIALU (cfg, ins, OP_PADD, dreg, sp [0]->dreg, offset_ins->dreg);
wbarrier_ptr_ins = ins;
- /* The decomposition will call mini_emit_stobj () which will emit a wbarrier if needed */
+ /* The decomposition will call mini_emit_memory_copy () which will emit a wbarrier if needed */
EMIT_NEW_STORE_MEMBASE_TYPE (cfg, store, field->type, dreg, 0, sp [1]->dreg);
} else {
EMIT_NEW_STORE_MEMBASE_TYPE (cfg, store, field->type, sp [0]->dreg, foffset, sp [1]->dreg);
CHECK_STACK (info->sig->param_count);
sp -= info->sig->param_count;
- ins = mono_emit_jit_icall (cfg, info->func, sp);
+ if (cfg->compile_aot && !strcmp (info->name, "mono_threads_attach_coop")) {
+ MonoInst *addr;
+
+ /*
+ * This is called on unattached threads, so it cannot go through the trampoline
+ * infrastructure. Use an indirect call through a got slot initialized at load time
+ * instead.
+ */
+ EMIT_NEW_AOTCONST (cfg, addr, MONO_PATCH_INFO_JIT_ICALL_ADDR_NOCALL, (char*)info->name);
+ ins = mini_emit_calli (cfg, info->sig, sp, addr, NULL, NULL);
+ } else {
+ ins = mono_emit_jit_icall (cfg, info->func, sp);
+ }
+
if (!MONO_TYPE_IS_VOID (info->sig->ret))
*sp++ = ins;
CHECK_STACK_OVF (1);
switch (ip [1]) {
- case CEE_MONO_LDPTR_CARD_TABLE:
- ins = mini_emit_runtime_constant (cfg, MONO_PATCH_INFO_GC_CARD_TABLE_ADDR, NULL);
- break;
- case CEE_MONO_LDPTR_NURSERY_START:
- ins = mini_emit_runtime_constant (cfg, MONO_PATCH_INFO_GC_NURSERY_START, NULL);
- break;
- case CEE_MONO_LDPTR_NURSERY_BITS:
- ins = mini_emit_runtime_constant (cfg, MONO_PATCH_INFO_GC_NURSERY_BITS, NULL);
- break;
- case CEE_MONO_LDPTR_INT_REQ_FLAG:
- ins = mini_emit_runtime_constant (cfg, MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG, NULL);
- break;
+ case CEE_MONO_LDPTR_CARD_TABLE:
+ ins = mini_emit_runtime_constant (cfg, MONO_PATCH_INFO_GC_CARD_TABLE_ADDR, NULL);
+ break;
+ case CEE_MONO_LDPTR_NURSERY_START:
+ ins = mini_emit_runtime_constant (cfg, MONO_PATCH_INFO_GC_NURSERY_START, NULL);
+ break;
+ case CEE_MONO_LDPTR_NURSERY_BITS:
+ ins = mini_emit_runtime_constant (cfg, MONO_PATCH_INFO_GC_NURSERY_BITS, NULL);
+ break;
+ case CEE_MONO_LDPTR_INT_REQ_FLAG:
+ ins = mini_emit_runtime_constant (cfg, MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG, NULL);
+ break;
+ default:
+ g_assert_not_reached ();
+ break;
}
*sp++ = ins;
temp = mono_compile_create_var (cfg, &klass->byval_arg, OP_LOCAL);
temp->backend.is_pinvoke = 1;
EMIT_NEW_TEMPLOADA (cfg, dest, temp->inst_c0);
- mini_emit_stobj (cfg, dest, src, klass, TRUE);
+ mini_emit_memory_copy (cfg, dest, src, klass, TRUE, 0);
EMIT_NEW_TEMPLOAD (cfg, dest, temp->inst_c0);
dest->type = STACK_VTYPE;
} else {
EMIT_NEW_RETLOADA (cfg, ins);
}
- mini_emit_stobj (cfg, ins, sp [0], klass, TRUE);
+ mini_emit_memory_copy (cfg, ins, sp [0], klass, TRUE, 0);
if (sp != stack_start)
UNVERIFIED;
MonoInst *ad_ins, *jit_tls_ins;
MonoBasicBlock *next_bb = NULL, *call_bb = NULL;
- g_assert (!mono_threads_is_coop_enabled ());
+ g_assert (!mono_threads_is_blocking_transition_enabled ());
cfg->orig_domain_var = mono_compile_create_var (cfg, &mono_defaults.int_class->byval_arg, OP_LOCAL);
the values on the stack before emitting the last instruction of the bb.
*/
-#else /* !DISABLE_JIT */
-
-void
-mono_set_break_policy (MonoBreakPolicyFunc policy_callback)
-{
-}
-
#endif /* !DISABLE_JIT */
projects / mono.git / blobdiff