-/*
- * mini.c: The new Mono code generator.
+/**
+ * \file
+ * The new Mono code generator.
*
* Authors:
* Paolo Molaro (lupus@ximian.com)
#include <mono/metadata/mempool-internals.h>
#include <mono/metadata/attach.h>
#include <mono/metadata/runtime.h>
+#include <mono/metadata/attrdefs.h>
#include <mono/utils/mono-math.h>
#include <mono/utils/mono-compiler.h>
#include <mono/utils/mono-counters.h>
#include <mono/utils/dtrace.h>
#include <mono/utils/mono-threads.h>
#include <mono/utils/mono-threads-coop.h>
-#include <mono/io-layer/io-layer.h>
#include "mini.h"
#include "seq-points.h"
#include "debugger-agent.h"
#include "llvm-runtime.h"
#include "mini-llvm.h"
+#include "lldb.h"
MonoTraceSpec *mono_jit_trace_calls;
MonoMethodDesc *mono_inject_async_exc_method;
gboolean mono_do_x86_stack_align = TRUE;
gboolean mono_using_xdebug;
+/* Counters */
+static guint32 discarded_code;
+static double discarded_jit_time;
+
#define mono_jit_lock() mono_os_mutex_lock (&jit_mutex)
#define mono_jit_unlock() mono_os_mutex_unlock (&jit_mutex)
static mono_mutex_t jit_mutex;
}
}
-#define MONO_INIT_VARINFO(vi,id) do { \
- (vi)->range.first_use.pos.bid = 0xffff; \
- (vi)->reg = -1; \
- (vi)->idx = (id); \
-} while (0)
-
/**
* mono_unlink_bblock:
*
case MONO_TYPE_TYPEDBYREF:
return OP_STOREV_MEMBASE;
case MONO_TYPE_GENERICINST:
+ if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
+ return OP_STOREX_MEMBASE;
type = &type->data.generic_class->container_class->byval_arg;
goto handle_enum;
case MONO_TYPE_VAR:
case MONO_TYPE_TYPEDBYREF:
return OP_LOADV_MEMBASE;
case MONO_TYPE_GENERICINST:
+ if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
+ return OP_LOADX_MEMBASE;
if (mono_type_generic_inst_is_valuetype (type))
return OP_LOADV_MEMBASE;
else
cfg->varinfo [num] = inst;
- MONO_INIT_VARINFO (&cfg->vars [num], num);
- MONO_VARINFO (cfg, num)->vreg = vreg;
+ cfg->vars [num].idx = num;
+ cfg->vars [num].vreg = vreg;
+ cfg->vars [num].range.first_use.pos.bid = 0xffff;
+ cfg->vars [num].reg = -1;
if (vreg != -1)
set_vreg_to_inst (cfg, vreg, inst);
else if (info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)
mono_error_set_generic_error (&cfg->error, "System", "FieldAccessException", "%s", msg);
else if (info->exception_type == MONO_EXCEPTION_UNVERIFIABLE_IL)
- mono_error_set_generic_error (&cfg->error, "System.Security", "VerificationException", msg);
+ mono_error_set_generic_error (&cfg->error, "System.Security", "VerificationException", "%s", msg);
if (!mono_error_ok (&cfg->error)) {
mono_cfg_set_exception (cfg, MONO_EXCEPTION_MONO_ERROR);
g_free (msg);
g_free (cfg);
}
-static MonoInst*
-mono_create_tls_get_offset (MonoCompile *cfg, int offset)
-{
- MonoInst* ins;
-
- if (!cfg->backend->have_tls_get)
- return NULL;
-
- if (offset == -1)
- return NULL;
-
- MONO_INST_NEW (cfg, ins, OP_TLS_GET);
- ins->dreg = mono_alloc_preg (cfg);
- ins->inst_offset = offset;
- return ins;
-}
-
-gboolean
-mini_tls_get_supported (MonoCompile *cfg, MonoTlsKey key)
-{
- if (!cfg->backend->have_tls_get)
- return FALSE;
-
- if (cfg->compile_aot)
- return cfg->backend->have_tls_get_reg;
- else
- return mini_get_tls_offset (key) != -1;
-}
-
-MonoInst*
-mono_create_tls_get (MonoCompile *cfg, MonoTlsKey key)
-{
- if (!cfg->backend->have_tls_get)
- return NULL;
-
-#ifdef HAVE_KW_THREAD
- /*
- * MONO_THREAD_VAR_OFFSET definitions don't work when loading mono as a
- * dynamic library. This means that we need to be conservative and don't
- * aot code that contains these tls chunks.
- *
- * FIXME Remove HAVE_KW_THREAD altogether and use only pthread since it
- * simplifies the code alot.
- */
- if (!cfg->full_aot)
- cfg->disable_aot = TRUE;
-#endif
- /*
- * TLS offsets might be different at AOT time, so load them from a GOT slot and
- * use a different opcode.
- */
- if (cfg->compile_aot) {
- if (cfg->backend->have_tls_get_reg) {
- MonoInst *ins, *c;
-
- EMIT_NEW_TLS_OFFSETCONST (cfg, c, key);
- MONO_INST_NEW (cfg, ins, OP_TLS_GET_REG);
- ins->dreg = mono_alloc_preg (cfg);
- ins->sreg1 = c->dreg;
- return ins;
- } else {
- return NULL;
- }
- }
-
- return mono_create_tls_get_offset (cfg, mini_get_tls_offset (key));
-}
-
-MonoInst*
-mono_get_jit_tls_intrinsic (MonoCompile *cfg)
-{
- return mono_create_tls_get (cfg, TLS_KEY_JIT_TLS);
-}
-
-MonoInst*
-mono_get_domain_intrinsic (MonoCompile* cfg)
-{
- return mono_create_tls_get (cfg, TLS_KEY_DOMAIN);
-}
-
-MonoInst*
-mono_get_thread_intrinsic (MonoCompile* cfg)
-{
- return mono_create_tls_get (cfg, TLS_KEY_THREAD);
-}
-
-MonoInst*
-mono_get_lmf_intrinsic (MonoCompile* cfg)
-{
- return mono_create_tls_get (cfg, TLS_KEY_LMF);
-}
-
-MonoInst*
-mono_get_lmf_addr_intrinsic (MonoCompile* cfg)
-{
- return mono_create_tls_get (cfg, TLS_KEY_LMF_ADDR);
-}
-
void
mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
{
cfg->args = (MonoInst **)mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
- if (sig->hasthis)
+ if (sig->hasthis) {
cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
+ cfg->this_arg = cfg->args [0];
+ }
for (i = 0; i < sig->param_count; ++i) {
cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
/* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
#ifdef MONO_ARCH_HAVE_UNWIND_TABLE
- unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
+ unwindlen = mono_arch_unwindinfo_init_method_unwind_info (cfg);
#endif
if (cfg->method->dynamic) {
if (cfg->verbose_level > 0) {
char* nm = mono_method_get_full_name (cfg->method);
- char *opt_descr = mono_opt_descr (cfg->opt);
- g_print ("Method %s emitted at %p to %p (code length %d) [%s] with opts %s\n",
+ g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
nm,
- cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name,
- opt_descr);
+ cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
g_free (nm);
- g_free (opt_descr);
}
{
gboolean is_generic = FALSE;
if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
- cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
+ mono_class_is_gtd (cfg->method->klass) || mono_class_is_ginst (cfg->method->klass)) {
is_generic = TRUE;
}
mono_debug_close_method (cfg);
#ifdef MONO_ARCH_HAVE_UNWIND_TABLE
- mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
+ mono_arch_unwindinfo_install_method_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
#endif
}
return FALSE;
}
-static void mono_insert_nop_in_empty_bb (MonoCompile *cfg)
+static void
+mono_insert_nop_in_empty_bb (MonoCompile *cfg)
{
MonoBasicBlock *bb;
for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
#endif
#ifdef MONO_ARCH_GSHARED_SUPPORTED
backend->gshared_supported = 1;
-#endif
- if (MONO_ARCH_HAVE_TLS_GET)
- backend->have_tls_get = 1;
-#ifdef MONO_ARCH_HAVE_TLS_GET_REG
- backend->have_tls_get_reg = 1;
#endif
if (MONO_ARCH_USE_FPSTACK)
backend->use_fpstack = 1;
#ifdef MONO_ARCH_DYN_CALL_PARAM_AREA
backend->dyn_call_param_area = MONO_ARCH_DYN_CALL_PARAM_AREA;
#endif
+#ifdef MONO_ARCH_NO_DIV_WITH_MUL
+ backend->disable_div_with_mul = 1;
+#endif
}
/*
gboolean llvm = (flags & JIT_FLAG_LLVM) ? 1 : 0;
#endif
static gboolean verbose_method_inited;
- static const char *verbose_method_name;
+ static char *verbose_method_name;
InterlockedIncrement (&mono_jit_stats.methods_compiled);
if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
cfg->soft_breakpoints = debug_options.soft_breakpoints;
cfg->check_pinvoke_callconv = debug_options.check_pinvoke_callconv;
cfg->disable_direct_icalls = disable_direct_icalls;
+ cfg->direct_pinvoke = (flags & JIT_FLAG_DIRECT_PINVOKE) != 0;
if (try_generic_shared)
cfg->gshared = TRUE;
cfg->compile_llvm = try_llvm;
if (cfg->gen_seq_points)
cfg->seq_points = g_ptr_array_new ();
- mono_error_init (&cfg->error);
+ error_init (&cfg->error);
- if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container || method_is_gshared)) {
+ if (cfg->compile_aot && !try_generic_shared && (method->is_generic || mono_class_is_gtd (method->klass) || method_is_gshared)) {
cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
return cfg;
}
}
cfg->method_to_register = method_to_register;
- mono_error_init (&err);
+ error_init (&err);
sig = mono_method_signature_checked (cfg->method, &err);
if (!sig) {
cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
if (strcmp (cfg->method->name, name) == 0)
cfg->verbose_level = 4;
}
+ g_free (verbose_method_name);
}
cfg->intvars = (guint16 *)mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
cfg->disable_ssa = TRUE;
}
+ if (cfg->num_varinfo > 10000 && !cfg->llvm_only)
+ /* Disable llvm for overly complex methods */
+ cfg->disable_ssa = TRUE;
+
if (cfg->opt & MONO_OPT_LOOP) {
MONO_TIME_TRACK (mono_jit_stats.jit_compile_dominator_info, mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM));
MONO_TIME_TRACK (mono_jit_stats.jit_compute_natural_loops, mono_compute_natural_loops (cfg));
}
#endif
- if (!cfg->compile_aot)
- mono_save_xdebug_info (cfg);
-
MONO_TIME_TRACK (mono_jit_stats.jit_gc_create_gc_map, mini_gc_create_gc_map (cfg));
-
MONO_TIME_TRACK (mono_jit_stats.jit_save_seq_point_info, mono_save_seq_point_info (cfg));
+ if (!cfg->compile_aot) {
+ mono_save_xdebug_info (cfg);
+ mono_lldb_save_method_info (cfg);
+ }
+
if (cfg->verbose_level >= 2) {
char *id = mono_method_full_name (cfg->method, FALSE);
mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
g_free (id);
}
- if (!cfg->compile_aot) {
+ if (!cfg->compile_aot && !(flags & JIT_FLAG_DISCARD_RESULTS)) {
mono_domain_lock (cfg->domain);
mono_jit_info_table_add (cfg->domain, cfg->jit_info);
return cfg;
}
+gboolean
+mini_class_has_reference_variant_generic_argument (MonoCompile *cfg, MonoClass *klass, int context_used)
+{
+ int i;
+ MonoGenericContainer *container;
+ MonoGenericInst *ginst;
+
+ if (mono_class_is_ginst (klass)) {
+ container = mono_class_get_generic_container (mono_class_get_generic_class (klass)->container_class);
+ ginst = mono_class_get_generic_class (klass)->context.class_inst;
+ } else if (mono_class_is_gtd (klass) && context_used) {
+ container = mono_class_get_generic_container (klass);
+ ginst = container->context.class_inst;
+ } else {
+ return FALSE;
+ }
+
+ for (i = 0; i < container->type_argc; ++i) {
+ MonoType *type;
+ if (!(mono_generic_container_get_param_info (container, i)->flags & (MONO_GEN_PARAM_VARIANT|MONO_GEN_PARAM_COVARIANT)))
+ continue;
+ type = ginst->type_argv [i];
+ if (mini_type_is_reference (type))
+ return TRUE;
+ }
+ return FALSE;
+}
+
void*
mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments)
{
mono_cfg_set_exception_invalid_program (MonoCompile *cfg, char *msg)
{
mono_cfg_set_exception (cfg, MONO_EXCEPTION_MONO_ERROR);
- mono_error_set_generic_error (&cfg->error, "System", "InvalidProgramException", msg);
+ mono_error_set_generic_error (&cfg->error, "System", "InvalidProgramException", "%s", msg);
}
#endif /* DISABLE_JIT */
GTimer *jit_timer;
MonoMethod *prof_method, *shared;
- mono_error_init (error);
+ error_init (error);
if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
(method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
if (mono_aot_only) {
char *fullname = mono_method_full_name (method, TRUE);
- mono_error_set_execution_engine (error, "Attempting to JIT compile method '%s' while running with --aot-only. See http://docs.xamarin.com/ios/about/limitations for more information.\n", fullname);
+ mono_error_set_execution_engine (error, "Attempting to JIT compile method '%s' while running in aot-only mode. See https://developer.xamarin.com/guides/ios/advanced_topics/limitations/ for more information.\n", fullname);
g_free (fullname);
return NULL;
jit_timer = mono_time_track_start ();
cfg = mini_method_compile (method, opt, target_domain, JIT_FLAG_RUN_CCTORS, 0, -1);
- mono_time_track_end (&mono_jit_stats.jit_time, jit_timer);
+ double jit_time = 0.0;
+ mono_time_track_end (&jit_time, jit_timer);
+ mono_jit_stats.jit_time += jit_time;
prof_method = cfg->method;
/* We can't use a domain specific method in another domain */
if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
code = info->code_start;
-// printf("Discarding code for method %s\n", method->name);
+ discarded_code ++;
+ discarded_jit_time += jit_time;
}
}
if (code == NULL) {
* mini_get_underlying_type:
*
* Return the type the JIT will use during compilation.
- * Handles: byref, enums, native types, generic sharing.
+ * Handles: byref, enums, native types, bool/char, ref types, generic sharing.
* For gsharedvt types, it will return the original VAR/MVAR.
*/
MonoType*
void
mini_jit_init (void)
{
+ mono_counters_register ("Discarded method code", MONO_COUNTER_JIT | MONO_COUNTER_INT, &discarded_code);
+ mono_counters_register ("Time spent JITting discarded code", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &discarded_jit_time);
+
mono_os_mutex_init_recursive (&jit_mutex);
#ifndef DISABLE_JIT
current_backend = g_new0 (MonoBackend, 1);
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