-/*
- * method-to-ir.c: Convert CIL to the JIT internal representation
+/**
+ * \file
+ * Convert CIL to the JIT internal representation
*
* Author:
* Paolo Molaro (lupus@ximian.com)
return cfg->got_var;
}
-static MonoInst *
-mono_get_vtable_var (MonoCompile *cfg)
+static void
+mono_create_rgctx_var (MonoCompile *cfg)
{
- g_assert (cfg->gshared);
-
if (!cfg->rgctx_var) {
cfg->rgctx_var = mono_compile_create_var (cfg, &mono_defaults.int_class->byval_arg, OP_LOCAL);
/* force the var to be stack allocated */
cfg->rgctx_var->flags |= MONO_INST_VOLATILE;
}
+}
+
+static MonoInst *
+mono_get_vtable_var (MonoCompile *cfg)
+{
+ g_assert (cfg->gshared);
+
+ mono_create_rgctx_var (cfg);
return cfg->rgctx_var;
}
if (!cfg->lmf_ir)
return;
- if (cfg->lmf_ir_mono_lmf) {
- MonoInst *lmf_vara_ins, *lmf_ins;
- /* Load current lmf */
- lmf_ins = mono_create_tls_get (cfg, TLS_KEY_LMF);
- g_assert (lmf_ins);
- EMIT_NEW_VARLOADA (cfg, lmf_vara_ins, cfg->lmf_var, NULL);
- /* Save previous_lmf */
- EMIT_NEW_STORE_MEMBASE (cfg, ins, OP_STORE_MEMBASE_REG, lmf_vara_ins->dreg, MONO_STRUCT_OFFSET (MonoLMF, previous_lmf), lmf_ins->dreg);
- /* Set new LMF */
- mono_create_tls_set (cfg, lmf_vara_ins, TLS_KEY_LMF);
- } else {
- int lmf_reg, prev_lmf_reg;
- /*
- * Store lmf_addr in a variable, so it can be allocated to a global register.
- */
- if (!cfg->lmf_addr_var)
- cfg->lmf_addr_var = mono_compile_create_var (cfg, &mono_defaults.int_class->byval_arg, OP_LOCAL);
+ int lmf_reg, prev_lmf_reg;
+ /*
+ * Store lmf_addr in a variable, so it can be allocated to a global register.
+ */
+ if (!cfg->lmf_addr_var)
+ cfg->lmf_addr_var = mono_compile_create_var (cfg, &mono_defaults.int_class->byval_arg, OP_LOCAL);
#ifdef HOST_WIN32
- ins = mono_create_tls_get (cfg, TLS_KEY_JIT_TLS);
- g_assert (ins);
- int jit_tls_dreg = ins->dreg;
+ ins = mono_create_tls_get (cfg, TLS_KEY_JIT_TLS);
+ g_assert (ins);
+ int jit_tls_dreg = ins->dreg;
- lmf_reg = alloc_preg (cfg);
- EMIT_NEW_BIALU_IMM (cfg, lmf_ins, OP_PADD_IMM, lmf_reg, jit_tls_dreg, MONO_STRUCT_OFFSET (MonoJitTlsData, lmf));
+ lmf_reg = alloc_preg (cfg);
+ EMIT_NEW_BIALU_IMM (cfg, lmf_ins, OP_PADD_IMM, lmf_reg, jit_tls_dreg, MONO_STRUCT_OFFSET (MonoJitTlsData, lmf));
#else
- lmf_ins = mono_create_tls_get (cfg, TLS_KEY_LMF_ADDR);
- g_assert (lmf_ins);
+ lmf_ins = mono_create_tls_get (cfg, TLS_KEY_LMF_ADDR);
+ g_assert (lmf_ins);
#endif
- lmf_ins->dreg = cfg->lmf_addr_var->dreg;
+ lmf_ins->dreg = cfg->lmf_addr_var->dreg;
- EMIT_NEW_VARLOADA (cfg, ins, cfg->lmf_var, NULL);
- lmf_reg = ins->dreg;
+ EMIT_NEW_VARLOADA (cfg, ins, cfg->lmf_var, NULL);
+ lmf_reg = ins->dreg;
- prev_lmf_reg = alloc_preg (cfg);
- /* Save previous_lmf */
- EMIT_NEW_LOAD_MEMBASE (cfg, ins, OP_LOAD_MEMBASE, prev_lmf_reg, cfg->lmf_addr_var->dreg, 0);
- EMIT_NEW_STORE_MEMBASE (cfg, ins, OP_STORE_MEMBASE_REG, lmf_reg, MONO_STRUCT_OFFSET (MonoLMF, previous_lmf), prev_lmf_reg);
- /* Set new lmf */
- EMIT_NEW_STORE_MEMBASE (cfg, ins, OP_STORE_MEMBASE_REG, cfg->lmf_addr_var->dreg, 0, lmf_reg);
- }
+ prev_lmf_reg = alloc_preg (cfg);
+ /* Save previous_lmf */
+ EMIT_NEW_LOAD_MEMBASE (cfg, ins, OP_LOAD_MEMBASE, prev_lmf_reg, cfg->lmf_addr_var->dreg, 0);
+ EMIT_NEW_STORE_MEMBASE (cfg, ins, OP_STORE_MEMBASE_REG, lmf_reg, MONO_STRUCT_OFFSET (MonoLMF, previous_lmf), prev_lmf_reg);
+ /* Set new lmf */
+ EMIT_NEW_STORE_MEMBASE (cfg, ins, OP_STORE_MEMBASE_REG, cfg->lmf_addr_var->dreg, 0, lmf_reg);
}
/*
EMIT_NEW_VARLOADA (cfg, ins, cfg->lmf_var, NULL);
lmf_reg = ins->dreg;
- if (cfg->lmf_ir_mono_lmf) {
- /* Load previous_lmf */
- EMIT_NEW_LOAD_MEMBASE (cfg, ins, OP_LOAD_MEMBASE, alloc_preg (cfg), lmf_reg, MONO_STRUCT_OFFSET (MonoLMF, previous_lmf));
- /* Set new LMF */
- mono_create_tls_set (cfg, ins, TLS_KEY_LMF);
- } else {
- int prev_lmf_reg;
- /*
- * Emit IR to pop the LMF:
- * *(lmf->lmf_addr) = lmf->prev_lmf
- */
- /* This could be called before emit_push_lmf () */
- if (!cfg->lmf_addr_var)
- cfg->lmf_addr_var = mono_compile_create_var (cfg, &mono_defaults.int_class->byval_arg, OP_LOCAL);
- lmf_addr_reg = cfg->lmf_addr_var->dreg;
+ int prev_lmf_reg;
+ /*
+ * Emit IR to pop the LMF:
+ * *(lmf->lmf_addr) = lmf->prev_lmf
+ */
+ /* This could be called before emit_push_lmf () */
+ if (!cfg->lmf_addr_var)
+ cfg->lmf_addr_var = mono_compile_create_var (cfg, &mono_defaults.int_class->byval_arg, OP_LOCAL);
+ lmf_addr_reg = cfg->lmf_addr_var->dreg;
- prev_lmf_reg = alloc_preg (cfg);
- EMIT_NEW_LOAD_MEMBASE (cfg, ins, OP_LOAD_MEMBASE, prev_lmf_reg, lmf_reg, MONO_STRUCT_OFFSET (MonoLMF, previous_lmf));
- EMIT_NEW_STORE_MEMBASE (cfg, ins, OP_STORE_MEMBASE_REG, lmf_addr_reg, 0, prev_lmf_reg);
- }
+ prev_lmf_reg = alloc_preg (cfg);
+ EMIT_NEW_LOAD_MEMBASE (cfg, ins, OP_LOAD_MEMBASE, prev_lmf_reg, lmf_reg, MONO_STRUCT_OFFSET (MonoLMF, previous_lmf));
+ EMIT_NEW_STORE_MEMBASE (cfg, ins, OP_STORE_MEMBASE_REG, lmf_addr_reg, 0, prev_lmf_reg);
}
static void
static gboolean
direct_icalls_enabled (MonoCompile *cfg)
{
+ return FALSE;
+
/* LLVM on amd64 can't handle calls to non-32 bit addresses */
#ifdef TARGET_AMD64
if (cfg->compile_llvm && !cfg->llvm_only)
static void
-emit_method_access_failure (MonoCompile *cfg, MonoMethod *method, MonoMethod *cil_method)
+emit_method_access_failure (MonoCompile *cfg, MonoMethod *caller, MonoMethod *callee)
{
MonoInst *args [16];
- args [0] = emit_get_rgctx_method (cfg, mono_method_check_context_used (method), method, MONO_RGCTX_INFO_METHOD);
- args [1] = emit_get_rgctx_method (cfg, mono_method_check_context_used (cil_method), cil_method, MONO_RGCTX_INFO_METHOD);
+ args [0] = emit_get_rgctx_method (cfg, mono_method_check_context_used (caller), caller, MONO_RGCTX_INFO_METHOD);
+ args [1] = emit_get_rgctx_method (cfg, mono_method_check_context_used (callee), callee, MONO_RGCTX_INFO_METHOD);
mono_emit_jit_icall (cfg, mono_throw_method_access, args);
}
/* also consider num_locals? */
/* Do the size check early to avoid creating vtables */
if (!inline_limit_inited) {
- if (g_getenv ("MONO_INLINELIMIT"))
- inline_limit = atoi (g_getenv ("MONO_INLINELIMIT"));
- else
+ char *inlinelimit;
+ if ((inlinelimit = g_getenv ("MONO_INLINELIMIT"))) {
+ inline_limit = atoi (inlinelimit);
+ g_free (inlinelimit);
+ } else
inline_limit = INLINE_LENGTH_LIMIT;
inline_limit_inited = TRUE;
}
/**
* mono_set_break_policy:
- * policy_callback: the new callback function
+ * \param policy_callback the new callback function
*
* Allow embedders to decide wherther to actually obey breakpoint instructions
- * (both break IL instructions and Debugger.Break () method calls), for example
+ * (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.
*
- * @policy_callback will be called every time a break point instruction needs to
- * be inserted with the method argument being the method that calls Debugger.Break()
- * or has the IL break instruction. The callback should return #MONO_BREAK_POLICY_NEVER
+ * \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.
- * #MONO_BREAK_POLICY_ALWAYS is the default.
+ * \c MONO_BREAK_POLICY_ALWAYS is the default.
*/
void
mono_set_break_policy (MonoBreakPolicyFunc policy_callback)
mini_emit_inst_for_method (MonoCompile *cfg, MonoMethod *cmethod, MonoMethodSignature *fsig, MonoInst **args)
{
MonoInst *ins = NULL;
-
- MonoClass *runtime_helpers_class = mono_class_get_runtime_helpers_class ();
+ MonoClass *runtime_helpers_class = mono_class_get_runtime_helpers_class ();
if (cmethod->klass == mono_defaults.string_class) {
if (strcmp (cmethod->name, "get_Chars") == 0 && fsig->param_count + fsig->hasthis == 2) {
} else if (cmethod->klass == runtime_helpers_class) {
if (strcmp (cmethod->name, "get_OffsetToStringData") == 0 && fsig->param_count == 0) {
EMIT_NEW_ICONST (cfg, ins, MONO_STRUCT_OFFSET (MonoString, chars));
+ return ins;
+ } else if (strcmp (cmethod->name, "IsReferenceOrContainsReferences") == 0 && fsig->param_count == 0) {
+ MonoGenericContext *ctx = mono_method_get_context (cmethod);
+ g_assert (ctx);
+ g_assert (ctx->method_inst);
+ g_assert (ctx->method_inst->type_argc == 1);
+ MonoType *t = mini_get_underlying_type (ctx->method_inst->type_argv [0]);
+ MonoClass *klass = mono_class_from_mono_type (t);
+
+ ins = NULL;
+
+ mono_class_init (klass);
+ if (MONO_TYPE_IS_REFERENCE (t))
+ EMIT_NEW_ICONST (cfg, ins, 1);
+ else if (MONO_TYPE_IS_PRIMITIVE (t))
+ EMIT_NEW_ICONST (cfg, ins, 0);
+ else if (cfg->gshared && (t->type == MONO_TYPE_VAR || t->type == MONO_TYPE_MVAR) && !mini_type_var_is_vt (t))
+ EMIT_NEW_ICONST (cfg, ins, 1);
+ else if (!cfg->gshared || !mini_class_check_context_used (cfg, klass))
+ EMIT_NEW_ICONST (cfg, ins, klass->has_references ? 1 : 0);
+ else {
+ g_assert (cfg->gshared);
+
+ int context_used = mini_class_check_context_used (cfg, klass);
+
+ /* This returns 1 or 2 */
+ MonoInst *info = mini_emit_get_rgctx_klass (cfg, context_used, klass, MONO_RGCTX_INFO_CLASS_IS_REF_OR_CONTAINS_REFS);
+ int dreg = alloc_ireg (cfg);
+ EMIT_NEW_BIALU_IMM (cfg, ins, OP_ISUB_IMM, dreg, info->dreg, 1);
+ }
+
return ins;
} else
return NULL;
return NULL;
if (strcmp (cmethod->name, "InitializeArray") || strcmp (cmethod->klass->name, "RuntimeHelpers") || cmethod->klass->image != mono_defaults.corlib)
return NULL;
- switch (mono_type_get_underlying_type (&klass->byval_arg)->type) {
- case MONO_TYPE_BOOLEAN:
+ switch (mini_get_underlying_type (&klass->byval_arg)->type) {
case MONO_TYPE_I1:
case MONO_TYPE_U1:
size = 1; break;
/* we need to swap on big endian, so punt. Should we handle R4 and R8 as well? */
#if TARGET_BYTE_ORDER == G_LITTLE_ENDIAN
- case MONO_TYPE_CHAR:
case MONO_TYPE_I2:
case MONO_TYPE_U2:
size = 2; break;
ins->type = STACK_I4;
MONO_ADD_INS (cfg->cbb, ins);
+ ip += 2;
+ *sp++ = ins;
+ break;
+ case CEE_MONO_GET_RGCTX_ARG:
+ CHECK_OPSIZE (2);
+ CHECK_STACK_OVF (1);
+
+ mono_create_rgctx_var (cfg);
+
+ MONO_INST_NEW (cfg, ins, OP_MOVE);
+ ins->dreg = alloc_dreg (cfg, STACK_PTR);
+ ins->sreg1 = cfg->rgctx_var->dreg;
+ ins->type = STACK_PTR;
+ MONO_ADD_INS (cfg->cbb, ins);
+
ip += 2;
*sp++ = ins;
break;
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