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JITOperationList.cpp
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180 lines (156 loc) · 7.2 KB
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/*
* Copyright (C) 2020-2021 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "JITOperationList.h"
#include "Gate.h"
#include "JITOperationValidation.h"
#include "LLIntData.h"
#include "Opcode.h"
namespace JSC {
#if ENABLE(JIT_OPERATION_VALIDATION)
LazyNeverDestroyed<JITOperationList> jitOperationList;
extern const JITOperationAnnotation startOfJITOperationsInJSC __asm("section$start$__DATA_CONST$__jsc_ops");
extern const JITOperationAnnotation endOfJITOperationsInJSC __asm("section$end$__DATA_CONST$__jsc_ops");
void JITOperationList::initialize()
{
jitOperationList.construct();
}
#if JIT_OPERATION_VALIDATION_ASSERT_ENABLED
void JITOperationList::addInverseMap(void* validationEntry, void* pointer)
{
m_validatedOperationsInverseMap.add(validationEntry, pointer);
}
#define JSC_REGISTER_INVERSE_JIT_CAGED_POINTER_FOR_DEBUG(validationEntry, pointer) \
addInverseMap(validationEntry, pointer)
#else
#define JSC_REGISTER_INVERSE_JIT_CAGED_POINTER_FOR_DEBUG(validationEntry, pointer)
#endif // JIT_OPERATION_VALIDATION_ASSERT_ENABLED
SUPPRESS_ASAN ALWAYS_INLINE void JITOperationList::addPointers(const JITOperationAnnotation* begin, const JITOperationAnnotation* end)
{
auto& map = m_validatedOperations;
#if ENABLE(JIT_CAGE)
if (Options::useJITCage()) {
JSC_JIT_CAGED_POINTER_REGISTRATION();
return;
}
#endif
if constexpr (ASSERT_ENABLED) {
for (const auto* current = begin; current != end; ++current) {
void* operation = removeCodePtrTag(current->operation);
if (operation) {
void* validator = removeCodePtrTag(current->operationWithValidation);
validator = WTF::tagNativeCodePtrImpl<OperationPtrTag>(validator);
map.add(operation, validator);
JSC_REGISTER_INVERSE_JIT_CAGED_POINTER_FOR_DEBUG(validator, operation);
}
}
}
}
void JITOperationList::populatePointersInJavaScriptCore()
{
static std::once_flag onceKey;
std::call_once(onceKey, [] {
if (Options::useJIT())
jitOperationList->addPointers(&startOfJITOperationsInJSC, &endOfJITOperationsInJSC);
});
}
LLINT_DECLARE_ROUTINE_VALIDATE(llint_function_for_call_prologue);
LLINT_DECLARE_ROUTINE_VALIDATE(llint_function_for_construct_prologue);
LLINT_DECLARE_ROUTINE_VALIDATE(llint_function_for_call_arity_check);
LLINT_DECLARE_ROUTINE_VALIDATE(llint_function_for_construct_arity_check);
LLINT_DECLARE_ROUTINE_VALIDATE(llint_eval_prologue);
LLINT_DECLARE_ROUTINE_VALIDATE(llint_program_prologue);
LLINT_DECLARE_ROUTINE_VALIDATE(llint_module_program_prologue);
LLINT_DECLARE_ROUTINE_VALIDATE(wasm_function_prologue);
LLINT_DECLARE_ROUTINE_VALIDATE(wasm_function_prologue_no_tls);
LLINT_DECLARE_ROUTINE_VALIDATE(llint_throw_during_call_trampoline);
LLINT_DECLARE_ROUTINE_VALIDATE(llint_handle_uncaught_exception);
LLINT_DECLARE_ROUTINE_VALIDATE(checkpoint_osr_exit_trampoline);
LLINT_DECLARE_ROUTINE_VALIDATE(checkpoint_osr_exit_from_inlined_call_trampoline);
LLINT_DECLARE_ROUTINE_VALIDATE(normal_osr_exit_trampoline);
LLINT_DECLARE_ROUTINE_VALIDATE(fuzzer_return_early_from_loop_hint);
void JITOperationList::populatePointersInJavaScriptCoreForLLInt()
{
static std::once_flag onceKey;
std::call_once(onceKey, [] {
#define LLINT_ROUTINE(functionName) { \
bitwise_cast<void*>(LLInt::getCodeFunctionPtr<CFunctionPtrTag>(functionName)), \
bitwise_cast<void*>(LLINT_ROUTINE_VALIDATE(functionName)) \
},
#define LLINT_OP(name) { \
bitwise_cast<void*>(LLInt::getCodeFunctionPtr<CFunctionPtrTag>(name)), \
bitwise_cast<void*>(LLINT_RETURN_VALIDATE(name)) \
}, { \
bitwise_cast<void*>(LLInt::getWide16CodeFunctionPtr<CFunctionPtrTag>(name)), \
bitwise_cast<void*>(LLINT_RETURN_WIDE16_VALIDATE(name)) \
}, { \
bitwise_cast<void*>(LLInt::getWide32CodeFunctionPtr<CFunctionPtrTag>(name)), \
bitwise_cast<void*>(LLINT_RETURN_WIDE32_VALIDATE(name)) \
},
#define LLINT_RETURN_LOCATION(name, ...) \
LLINT_OP(name##_return_location)
const JITOperationAnnotation operations[] = {
LLINT_ROUTINE(llint_function_for_call_prologue)
LLINT_ROUTINE(llint_function_for_construct_prologue)
LLINT_ROUTINE(llint_function_for_call_arity_check)
LLINT_ROUTINE(llint_function_for_construct_arity_check)
LLINT_ROUTINE(llint_eval_prologue)
LLINT_ROUTINE(llint_program_prologue)
LLINT_ROUTINE(llint_module_program_prologue)
LLINT_ROUTINE(wasm_function_prologue)
LLINT_ROUTINE(wasm_function_prologue_no_tls)
LLINT_ROUTINE(llint_throw_during_call_trampoline)
LLINT_ROUTINE(llint_handle_uncaught_exception)
LLINT_ROUTINE(checkpoint_osr_exit_trampoline)
LLINT_ROUTINE(checkpoint_osr_exit_from_inlined_call_trampoline)
LLINT_ROUTINE(normal_osr_exit_trampoline)
LLINT_ROUTINE(fuzzer_return_early_from_loop_hint)
LLINT_OP(op_catch)
LLINT_OP(wasm_catch)
LLINT_OP(wasm_catch_no_tls)
LLINT_OP(wasm_catch_all)
LLINT_OP(wasm_catch_all_no_tls)
LLINT_OP(llint_generic_return_point)
LLINT_RETURN_LOCATION(op_get_by_id)
LLINT_RETURN_LOCATION(op_get_by_val)
LLINT_RETURN_LOCATION(op_put_by_id)
LLINT_RETURN_LOCATION(op_put_by_val)
JSC_JS_GATE_OPCODES(LLINT_RETURN_LOCATION)
JSC_WASM_GATE_OPCODES(LLINT_RETURN_LOCATION)
};
if (Options::useJIT())
jitOperationList->addPointers(operations, operations + WTF_ARRAY_LENGTH(operations));
#undef LLINT_ROUTINE
#undef LLINT_OP
#undef LLINT_RETURN_LOCATION
});
}
void JITOperationList::populatePointersInEmbedder(const JITOperationAnnotation* beginOperations, const JITOperationAnnotation* endOperations)
{
if (Options::useJIT())
jitOperationList->addPointers(beginOperations, endOperations);
}
#endif // ENABLE(JIT_OPERATION_VALIDATION)
} // namespace JSC