mirror of
https://github.com/dart-lang/sdk
synced 2024-10-05 05:17:31 +00:00
fbcacd7c05
Fix imprecision in Zone::SizeInBytes that was finally noticed by vm/cc/AllocateZone because the size of the initial inline buffer changed. TEST=ci Bug: https://github.com/dart-lang/sdk/issues/47399 Change-Id: I152d24d03a59b21267a9a24e5d929b51af57af71 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/215980 Reviewed-by: Siva Annamalai <asiva@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com>
194 lines
8.5 KiB
C++
194 lines
8.5 KiB
C++
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
|
// for details. All rights reserved. Use of this source code is governed by a
|
|
// BSD-style license that can be found in the LICENSE file.
|
|
|
|
#ifndef RUNTIME_VM_RUNTIME_ENTRY_H_
|
|
#define RUNTIME_VM_RUNTIME_ENTRY_H_
|
|
|
|
#include "vm/allocation.h"
|
|
#if !defined(DART_PRECOMPILED_RUNTIME)
|
|
#include "vm/compiler/runtime_api.h"
|
|
#endif
|
|
#include "vm/flags.h"
|
|
#include "vm/heap/safepoint.h"
|
|
#include "vm/log.h"
|
|
#include "vm/native_arguments.h"
|
|
#include "vm/runtime_entry_list.h"
|
|
|
|
namespace dart {
|
|
|
|
typedef void (*RuntimeFunction)(NativeArguments arguments);
|
|
|
|
#if !defined(DART_PRECOMPILED_RUNTIME)
|
|
using BaseRuntimeEntry = compiler::RuntimeEntry;
|
|
#else
|
|
using BaseRuntimeEntry = ValueObject;
|
|
#endif
|
|
|
|
// Class RuntimeEntry is used to encapsulate runtime functions, it includes
|
|
// the entry point for the runtime function and the number of arguments expected
|
|
// by the function.
|
|
class RuntimeEntry : public BaseRuntimeEntry {
|
|
public:
|
|
RuntimeEntry(const char* name,
|
|
RuntimeFunction function,
|
|
intptr_t argument_count,
|
|
bool is_leaf,
|
|
bool is_float,
|
|
bool can_lazy_deopt)
|
|
:
|
|
#if !defined(DART_PRECOMPILED_RUNTIME)
|
|
compiler::RuntimeEntry(this, &CallInternal),
|
|
#endif
|
|
name_(name),
|
|
function_(function),
|
|
argument_count_(argument_count),
|
|
is_leaf_(is_leaf),
|
|
is_float_(is_float),
|
|
can_lazy_deopt_(can_lazy_deopt) {
|
|
}
|
|
|
|
const char* name() const { return name_; }
|
|
RuntimeFunction function() const { return function_; }
|
|
intptr_t argument_count() const { return argument_count_; }
|
|
bool is_leaf() const { return is_leaf_; }
|
|
bool is_float() const { return is_float_; }
|
|
bool can_lazy_deopt() const { return can_lazy_deopt_; }
|
|
uword GetEntryPoint() const;
|
|
|
|
// Generate code to call the runtime entry.
|
|
NOT_IN_PRECOMPILED(void Call(compiler::Assembler* assembler,
|
|
intptr_t argument_count) const);
|
|
|
|
protected:
|
|
NOT_IN_PRECOMPILED(static void CallInternal(const RuntimeEntry* runtime_entry,
|
|
compiler::Assembler* assembler,
|
|
intptr_t argument_count));
|
|
|
|
private:
|
|
const char* const name_;
|
|
const RuntimeFunction function_;
|
|
const intptr_t argument_count_;
|
|
const bool is_leaf_;
|
|
const bool is_float_;
|
|
const bool can_lazy_deopt_;
|
|
|
|
DISALLOW_COPY_AND_ASSIGN(RuntimeEntry);
|
|
};
|
|
|
|
#ifdef DEBUG
|
|
#define TRACE_RUNTIME_CALL(format, name) \
|
|
if (FLAG_trace_runtime_calls) { \
|
|
THR_Print("Runtime call: " format "\n", name); \
|
|
}
|
|
#else
|
|
#define TRACE_RUNTIME_CALL(format, name) \
|
|
do { \
|
|
} while (0)
|
|
#endif
|
|
|
|
#if defined(USING_SIMULATOR)
|
|
#define CHECK_SIMULATOR_STACK_OVERFLOW() \
|
|
if (!OSThread::Current()->HasStackHeadroom()) { \
|
|
Exceptions::ThrowStackOverflow(); \
|
|
}
|
|
#else
|
|
#define CHECK_SIMULATOR_STACK_OVERFLOW()
|
|
#endif // defined(USING_SIMULATOR)
|
|
|
|
// Helper macros for declaring and defining runtime entries.
|
|
|
|
#define DEFINE_RUNTIME_ENTRY_IMPL(name, argument_count, can_lazy_deopt) \
|
|
extern void DRT_##name(NativeArguments arguments); \
|
|
extern const RuntimeEntry k##name##RuntimeEntry("DRT_" #name, &DRT_##name, \
|
|
argument_count, false, \
|
|
false, can_lazy_deopt); \
|
|
static void DRT_Helper##name(Isolate* isolate, Thread* thread, Zone* zone, \
|
|
NativeArguments arguments); \
|
|
void DRT_##name(NativeArguments arguments) { \
|
|
CHECK_STACK_ALIGNMENT; \
|
|
/* Tell MemorySanitizer 'arguments' is initialized by generated code. */ \
|
|
MSAN_UNPOISON(&arguments, sizeof(arguments)); \
|
|
ASSERT(arguments.ArgCount() == argument_count); \
|
|
TRACE_RUNTIME_CALL("%s", "" #name); \
|
|
{ \
|
|
Thread* thread = arguments.thread(); \
|
|
ASSERT(thread == Thread::Current()); \
|
|
RuntimeCallDeoptScope runtime_call_deopt_scope( \
|
|
thread, can_lazy_deopt ? RuntimeCallDeoptAbility::kCanLazyDeopt \
|
|
: RuntimeCallDeoptAbility::kCannotLazyDeopt); \
|
|
Isolate* isolate = thread->isolate(); \
|
|
TransitionGeneratedToVM transition(thread); \
|
|
StackZone zone(thread); \
|
|
CHECK_SIMULATOR_STACK_OVERFLOW(); \
|
|
if (FLAG_deoptimize_on_runtime_call_every > 0) { \
|
|
OnEveryRuntimeEntryCall(thread, "" #name, can_lazy_deopt); \
|
|
} \
|
|
DRT_Helper##name(isolate, thread, zone.GetZone(), arguments); \
|
|
} \
|
|
} \
|
|
static void DRT_Helper##name(Isolate* isolate, Thread* thread, Zone* zone, \
|
|
NativeArguments arguments)
|
|
|
|
#define DEFINE_RUNTIME_ENTRY(name, argument_count) \
|
|
DEFINE_RUNTIME_ENTRY_IMPL(name, argument_count, /*can_lazy_deopt=*/true)
|
|
|
|
#define DEFINE_RUNTIME_ENTRY_NO_LAZY_DEOPT(name, argument_count) \
|
|
DEFINE_RUNTIME_ENTRY_IMPL(name, argument_count, /*can_lazy_deopt=*/false)
|
|
|
|
#define DECLARE_RUNTIME_ENTRY(name) \
|
|
extern const RuntimeEntry k##name##RuntimeEntry; \
|
|
extern void DRT_##name(NativeArguments arguments);
|
|
|
|
#define DEFINE_LEAF_RUNTIME_ENTRY(type, name, argument_count, ...) \
|
|
extern "C" type DLRT_##name(__VA_ARGS__); \
|
|
extern const RuntimeEntry k##name##RuntimeEntry( \
|
|
"DLRT_" #name, reinterpret_cast<RuntimeFunction>(&DLRT_##name), \
|
|
argument_count, true, false, /*can_lazy_deopt=*/false); \
|
|
type DLRT_##name(__VA_ARGS__) { \
|
|
CHECK_STACK_ALIGNMENT; \
|
|
NoSafepointScope no_safepoint_scope;
|
|
|
|
#define END_LEAF_RUNTIME_ENTRY }
|
|
|
|
// TODO(rmacnak): Fix alignment issue on simarm and use
|
|
// DEFINE_LEAF_RUNTIME_ENTRY instead.
|
|
#define DEFINE_RAW_LEAF_RUNTIME_ENTRY(name, argument_count, is_float, func) \
|
|
extern const RuntimeEntry k##name##RuntimeEntry( \
|
|
"DFLRT_" #name, func, argument_count, true, is_float, \
|
|
/*can_lazy_deopt=*/false)
|
|
|
|
#define DECLARE_LEAF_RUNTIME_ENTRY(type, name, ...) \
|
|
extern const RuntimeEntry k##name##RuntimeEntry; \
|
|
extern "C" type DLRT_##name(__VA_ARGS__);
|
|
|
|
// Declare all runtime functions here.
|
|
RUNTIME_ENTRY_LIST(DECLARE_RUNTIME_ENTRY)
|
|
LEAF_RUNTIME_ENTRY_LIST(DECLARE_LEAF_RUNTIME_ENTRY)
|
|
|
|
// Expected to be called inside a safepoint.
|
|
extern "C" Thread* DLRT_GetThreadForNativeCallback(uword callback_id);
|
|
extern "C" Thread* DLRT_GetThreadForNativeCallbackTrampoline(uword callback_id);
|
|
|
|
// For creating scoped handles in FFI trampolines.
|
|
extern "C" ApiLocalScope* DLRT_EnterHandleScope(Thread* thread);
|
|
extern "C" void DLRT_ExitHandleScope(Thread* thread);
|
|
extern "C" LocalHandle* DLRT_AllocateHandle(ApiLocalScope* scope);
|
|
|
|
const char* DeoptReasonToCString(ICData::DeoptReasonId deopt_reason);
|
|
|
|
void OnEveryRuntimeEntryCall(Thread* thread,
|
|
const char* runtime_call_name,
|
|
bool can_lazy_deopt);
|
|
|
|
void DeoptimizeAt(Thread* mutator_thread,
|
|
const Code& optimized_code,
|
|
StackFrame* frame);
|
|
void DeoptimizeFunctionsOnStack();
|
|
|
|
double DartModulo(double a, double b);
|
|
|
|
} // namespace dart
|
|
|
|
#endif // RUNTIME_VM_RUNTIME_ENTRY_H_
|